[chip] add chip a537 a333

Add chip support

99-xfel.rules

@@ -2,6 +2,5 @@
 # If rules fail to reload automatically, you can refresh udev rules
 # with the command "sudo udevadm control --reload"
 
-ACTION=="add", SUBSYSTEM=="usb", ATTRS{idVendor}=="1f3a", ATTRS{idProduct}=="efe8", MODE="666", GROUP="plugdev"
-ACTION=="add", SUBSYSTEM=="usb", ATTRS{idVendor}=="1f3a", ATTRS{idProduct}=="efe8", TEST=="power/autosuspend", ATTR{power/autosuspend}="-1"
+ACTION=="add", SUBSYSTEM=="usb", ATTRS{idVendor}=="1f3a", ATTRS{idProduct}=="efe8", MODE="666", GROUP="users" TEST=="power/autosuspend", ATTR{power/autosuspend}="-1"
 

Makefile

@@ -28,7 +28,6 @@ LIBS 		:= `pkg-config --libs libusb-1.0`
 INCDIRS		:= -I . `pkg-config --cflags libusb-1.0`
 SRCDIRS		:= . chips
 
-
 SFILES		:= $(foreach dir, $(SRCDIRS), $(wildcard $(dir)/*.S))
 CFILES		:= $(foreach dir, $(SRCDIRS), $(wildcard $(dir)/*.c))
 CPPFILES	:= $(foreach dir, $(SRCDIRS), $(wildcard $(dir)/*.cpp))
@@ -72,5 +71,10 @@ install:
 	install -Dm0644 99-xfel.rules /etc/udev/rules.d/99-xfel.rules
 	install -Dm0644 LICENSE /usr/share/licenses/xfel/LICENSE
 
+uninstall:
+	rm -f /usr/local/bin/xfel
+	rm -f /etc/udev/rules.d/99-xfel.rules
+	rm -f /usr/share/licenses/xfel/LICENSE
+
 clean:
 	@$(RM) $(DEPS) $(OBJS) $(NAME).exe $(NAME) *~

Makefile.win

@@ -0,0 +1,70 @@
+#
+# Top makefile
+#
+
+CROSS		?= x86_64-w64-mingw32-
+
+AS			:= $(CROSS)gcc -x assembler-with-cpp
+CC			:= $(CROSS)gcc
+CXX			:= $(CROSS)g++
+LD			:= $(CROSS)ld
+AR			:= $(CROSS)ar
+OC			:= $(CROSS)objcopy
+OD			:= $(CROSS)objdump
+RM			:= rm -fr
+
+ASFLAGS		:= -g -ggdb -Wall -O3
+CFLAGS		:= -g -ggdb -Wall -O3
+CXXFLAGS	:= -g -ggdb -Wall -O3
+LDFLAGS		:=
+ARFLAGS		:= -rcs
+OCFLAGS		:= -v -O binary
+ODFLAGS		:=
+MCFLAGS		:=
+
+LIBDIRS		:=
+LIBS 		:= -L/usr/x86_64-w64-mingw32/lib -lusb-1.0
+
+INCDIRS		:= -I . -I /usr/x86_64-w64-mingw32/include/libusb-1.0
+SRCDIRS		:= . chips
+
+SFILES		:= $(foreach dir, $(SRCDIRS), $(wildcard $(dir)/*.S))
+CFILES		:= $(foreach dir, $(SRCDIRS), $(wildcard $(dir)/*.c))
+CPPFILES	:= $(foreach dir, $(SRCDIRS), $(wildcard $(dir)/*.cpp))
+
+SDEPS		:= $(patsubst %, %, $(SFILES:.S=.o.d))
+CDEPS		:= $(patsubst %, %, $(CFILES:.c=.o.d))
+CPPDEPS		:= $(patsubst %, %, $(CPPFILES:.cpp=.o.d))
+DEPS		:= $(SDEPS) $(CDEPS) $(CPPDEPS)
+
+SOBJS		:= $(patsubst %, %, $(SFILES:.S=.o))
+COBJS		:= $(patsubst %, %, $(CFILES:.c=.o))
+CPPOBJS		:= $(patsubst %, %, $(CPPFILES:.cpp=.o))
+OBJS		:= $(SOBJS) $(COBJS) $(CPPOBJS)
+
+OBJDIRS		:= $(patsubst %, %, $(SRCDIRS))
+NAME		:= xfel
+VPATH		:= $(OBJDIRS)
+
+.PHONY:		all clean
+
+all : $(NAME)
+
+$(NAME) : $(OBJS)
+	@echo [LD] Linking $@
+	@$(CC) $(LDFLAGS) $(LIBDIRS) $^ -o $@ $(LIBS) -static
+
+$(SOBJS) : %.o : %.S
+	@echo [AS] $<
+	@$(AS) $(ASFLAGS) -MD -MP -MF $@.d $(INCDIRS) -c $< -o $@
+
+$(COBJS) : %.o : %.c
+	@echo [CC] $<
+	@$(CC) $(CFLAGS) -MD -MP -MF $@.d $(INCDIRS) -c $< -o $@
+
+$(CPPOBJS) : %.o : %.cpp
+	@echo [CXX] $<
+	@$(CXX) $(CXXFLAGS) -MD -MP -MF $@.d $(INCDIRS) -c $< -o $@
+
+clean:
+	@$(RM) $(DEPS) $(OBJS) $(NAME).exe $(NAME) *~

README.md

@@ -16,15 +16,16 @@ usage:
     xfel version                                        - Show chip version
     xfel hexdump <address> <length>                     - Dumps memory region in hex
     xfel dump <address> <length>                        - Binary memory dump to stdout
-    xfel exec <address>                                 - Call function address
     xfel read32 <address>                               - Read 32-bits value from device memory
     xfel write32 <address> <value>                      - Write 32-bits value to device memory
     xfel read <address> <length> <file>                 - Read memory to file
     xfel write <address> <file>                         - Write file to memory
+    xfel exec <address>                                 - Call function address
     xfel reset                                          - Reset device using watchdog
     xfel sid                                            - Show sid information
     xfel jtag                                           - Enable jtag debug
     xfel ddr [type]                                     - Initial ddr controller with optional type
+    xfel sign <public-key> <private-key> <file>         - Generate ecdsa256 signature file for sha256 of sid
     xfel spinor                                         - Detect spi nor flash
     xfel spinor erase <address> <length>                - Erase spi nor flash
     xfel spinor read <address> <length> <file>          - Read spi nor flash to file
@@ -34,6 +35,7 @@ usage:
     xfel spinand read <address> <length> <file>         - Read spi nand flash to file
     xfel spinand write <address> <file>                 - Write file to spi nand flash
     xfel spinand splwrite <split-size> <address> <file> - Write file to spi nand flash with split support
+    xfel extra [...]                                    - The extra commands
 ```
 
 ## Links

chips/a10.c

@@ -37,6 +37,11 @@ static int chip_spi_run(struct xfel_ctx_t * ctx, uint8_t * cbuf, uint32_t clen)
 	return 0;
 }
 
+static int chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
+{
+	return 0;
+}
+
 struct chip_t a10 = {
 	.name = "A10",
 	.detect = chip_detect,
@@ -46,4 +51,5 @@ struct chip_t a10 = {
 	.ddr = chip_ddr,
 	.spi_init = chip_spi_init,
 	.spi_run = chip_spi_run,
+	.extra = chip_extra,
 };

chips/a13_a10s_r8.c

@@ -37,6 +37,11 @@ static int chip_spi_run(struct xfel_ctx_t * ctx, uint8_t * cbuf, uint32_t clen)
 	return 0;
 }
 
+static int chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
+{
+	return 0;
+}
+
 struct chip_t a13_a10s_r8 = {
 	.name = "A13/A10S/R8",
 	.detect = chip_detect,
@@ -46,4 +51,5 @@ struct chip_t a13_a10s_r8 = {
 	.ddr = chip_ddr,
 	.spi_init = chip_spi_init,
 	.spi_run = chip_spi_run,
+	.extra = chip_extra,
 };

chips/a20.c

@@ -37,6 +37,11 @@ static int chip_spi_run(struct xfel_ctx_t * ctx, uint8_t * cbuf, uint32_t clen)
 	return 0;
 }
 
+static int chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
+{
+	return 0;
+}
+
 struct chip_t a20 = {
 	.name = "A20",
 	.detect = chip_detect,
@@ -46,4 +51,5 @@ struct chip_t a20 = {
 	.ddr = chip_ddr,
 	.spi_init = chip_spi_init,
 	.spi_run = chip_spi_run,
+	.extra = chip_extra,
 };

chips/a23.c

@@ -37,6 +37,11 @@ static int chip_spi_run(struct xfel_ctx_t * ctx, uint8_t * cbuf, uint32_t clen)
 	return 0;
 }
 
+static int chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
+{
+	return 0;
+}
+
 struct chip_t a23 = {
 	.name = "A23",
 	.detect = chip_detect,
@@ -46,4 +51,5 @@ struct chip_t a23 = {
 	.ddr = chip_ddr,
 	.spi_init = chip_spi_init,
 	.spi_run = chip_spi_run,
+	.extra = chip_extra,
 };

chips/a31.c

@@ -37,6 +37,11 @@ static int chip_spi_run(struct xfel_ctx_t * ctx, uint8_t * cbuf, uint32_t clen)
 	return 0;
 }
 
+static int chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
+{
+	return 0;
+}
+
 struct chip_t a31 = {
 	.name = "A31",
 	.detect = chip_detect,
@@ -46,4 +51,5 @@ struct chip_t a31 = {
 	.ddr = chip_ddr,
 	.spi_init = chip_spi_init,
 	.spi_run = chip_spi_run,
+	.extra = chip_extra,
 };

chips/a33_r16.c

@@ -37,6 +37,11 @@ static int chip_spi_run(struct xfel_ctx_t * ctx, uint8_t * cbuf, uint32_t clen)
 	return 0;
 }
 
+static int chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
+{
+	return 0;
+}
+
 struct chip_t a33_r16 = {
 	.name = "A33/R16",
 	.detect = chip_detect,
@@ -46,4 +51,5 @@ struct chip_t a33_r16 = {
 	.ddr = chip_ddr,
 	.spi_init = chip_spi_init,
 	.spi_run = chip_spi_run,
+	.extra = chip_extra,
 };

chips/a50.c

@@ -2,7 +2,7 @@
 
 static int chip_detect(struct xfel_ctx_t * ctx, uint32_t id)
 {
-	if(id == 0x00182300)
+	if(id == 0x00175500)
 		return 1;
 	return 0;
 }
@@ -37,8 +37,13 @@ static int chip_spi_run(struct xfel_ctx_t * ctx, uint8_t * cbuf, uint32_t clen)
 	return 0;
 }
 
-struct chip_t t507 = {
-	.name = "T507",
+static int chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
+{
+	return 0;
+}
+
+struct chip_t a50 = {
+	.name = "A50",
 	.detect = chip_detect,
 	.reset = chip_reset,
 	.sid = chip_sid,
@@ -46,4 +51,5 @@ struct chip_t t507 = {
 	.ddr = chip_ddr,
 	.spi_init = chip_spi_init,
 	.spi_run = chip_spi_run,
+	.extra = chip_extra,
 };

chips/a537_a333.c

@@ -0,0 +1,98 @@
+#include <fel.h>
+
+static int chip_detect(struct xfel_ctx_t * ctx, uint32_t id)
+{
+	if(id == 0x00191900)
+		return 1;
+	return 0;
+}
+
+static uint32_t payload_read32(struct xfel_ctx_t * ctx, uint32_t addr)
+{
+	static const uint8_t payload[] = {
+		0x00, 0x00, 0xa0, 0xe3, 0x17, 0x0f, 0x08, 0xee, 0x15, 0x0f, 0x07, 0xee,
+		0xd5, 0x0f, 0x07, 0xee, 0x9a, 0x0f, 0x07, 0xee, 0x95, 0x0f, 0x07, 0xee,
+		0xff, 0xff, 0xff, 0xea, 0x0c, 0x00, 0x9f, 0xe5, 0x0c, 0x10, 0x8f, 0xe2,
+		0x00, 0x20, 0x90, 0xe5, 0x00, 0x20, 0x81, 0xe5, 0x1e, 0xff, 0x2f, 0xe1,
+	};
+	uint32_t adr = cpu_to_le32(addr);
+	uint32_t val;
+
+	fel_write(ctx, ctx->version.scratchpad, (void *)payload, sizeof(payload));
+	fel_write(ctx, ctx->version.scratchpad + sizeof(payload), (void *)&adr, sizeof(adr));
+	fel_exec(ctx, ctx->version.scratchpad);
+	fel_read(ctx, ctx->version.scratchpad + sizeof(payload) + sizeof(adr), (void *)&val, sizeof(val));
+	return le32_to_cpu(val);
+}
+
+static void payload_write32(struct xfel_ctx_t * ctx, uint32_t addr, uint32_t val)
+{
+	static const uint8_t payload[] = {
+		0x00, 0x00, 0xa0, 0xe3, 0x17, 0x0f, 0x08, 0xee, 0x15, 0x0f, 0x07, 0xee,
+		0xd5, 0x0f, 0x07, 0xee, 0x9a, 0x0f, 0x07, 0xee, 0x95, 0x0f, 0x07, 0xee,
+		0xff, 0xff, 0xff, 0xea, 0x08, 0x00, 0x9f, 0xe5, 0x08, 0x10, 0x9f, 0xe5,
+		0x00, 0x10, 0x80, 0xe5, 0x1e, 0xff, 0x2f, 0xe1,
+	};
+	uint32_t params[2] = {
+		cpu_to_le32(addr),
+		cpu_to_le32(val),
+	};
+
+	fel_write(ctx, ctx->version.scratchpad, (void *)payload, sizeof(payload));
+	fel_write(ctx, ctx->version.scratchpad + sizeof(payload), (void *)params, sizeof(params));
+	fel_exec(ctx, ctx->version.scratchpad);
+}
+
+static int chip_reset(struct xfel_ctx_t * ctx)
+{
+	return 0;
+}
+
+static int chip_sid(struct xfel_ctx_t * ctx, char * sid)
+{
+	uint32_t id[4];
+
+	id[0] = payload_read32(ctx, 0x03006200 + 0x0);
+	id[1] = payload_read32(ctx, 0x03006200 + 0x4);
+	id[2] = payload_read32(ctx, 0x03006200 + 0x8);
+	id[3] = payload_read32(ctx, 0x03006200 + 0xc);
+	sprintf(sid, "%08x%08x%08x%08x", id[0], id[1], id[2], id[3]);
+	return 1;
+}
+
+static int chip_jtag(struct xfel_ctx_t * ctx)
+{
+	return 0;
+}
+
+static int chip_ddr(struct xfel_ctx_t * ctx, const char * type)
+{
+	return 0;
+}
+
+static int chip_spi_init(struct xfel_ctx_t * ctx, uint32_t * swapbuf, uint32_t * swaplen, uint32_t * cmdlen)
+{
+	return 0;
+}
+
+static int chip_spi_run(struct xfel_ctx_t * ctx, uint8_t * cbuf, uint32_t clen)
+{
+	return 0;
+}
+
+static int chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
+{
+	return 0;
+}
+
+struct chip_t a537_a333 = {
+	.name = "A537/A333",
+	.detect = chip_detect,
+	.reset = chip_reset,
+	.sid = chip_sid,
+	.jtag = chip_jtag,
+	.ddr = chip_ddr,
+	.spi_init = chip_spi_init,
+	.spi_run = chip_spi_run,
+	.extra = chip_extra,
+};

chips/a64.c

@@ -37,6 +37,11 @@ static int chip_spi_run(struct xfel_ctx_t * ctx, uint8_t * cbuf, uint32_t clen)
 	return 0;
 }
 
+static int chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
+{
+	return 0;
+}
+
 struct chip_t a64 = {
 	.name = "A64",
 	.detect = chip_detect,
@@ -46,4 +51,5 @@ struct chip_t a64 = {
 	.ddr = chip_ddr,
 	.spi_init = chip_spi_init,
 	.spi_run = chip_spi_run,
+	.extra = chip_extra,
 };

chips/a733.c

@@ -0,0 +1,258 @@
+#include <fel.h>
+
+static int chip_detect(struct xfel_ctx_t * ctx, uint32_t id)
+{
+	if(id == 0x00190300)
+		return 1;
+	return 0;
+}
+
+static uint32_t payload_read32(struct xfel_ctx_t * ctx, uint32_t addr)
+{
+	static const uint8_t payload[] = {
+		0x00, 0x00, 0xa0, 0xe3, 0x17, 0x0f, 0x08, 0xee, 0x15, 0x0f, 0x07, 0xee,
+		0xd5, 0x0f, 0x07, 0xee, 0x9a, 0x0f, 0x07, 0xee, 0x95, 0x0f, 0x07, 0xee,
+		0xff, 0xff, 0xff, 0xea, 0x0c, 0x00, 0x9f, 0xe5, 0x0c, 0x10, 0x8f, 0xe2,
+		0x00, 0x20, 0x90, 0xe5, 0x00, 0x20, 0x81, 0xe5, 0x1e, 0xff, 0x2f, 0xe1,
+	};
+	uint32_t adr = cpu_to_le32(addr);
+	uint32_t val;
+
+	fel_write(ctx, ctx->version.scratchpad, (void *)payload, sizeof(payload));
+	fel_write(ctx, ctx->version.scratchpad + sizeof(payload), (void *)&adr, sizeof(adr));
+	fel_exec(ctx, ctx->version.scratchpad);
+	fel_read(ctx, ctx->version.scratchpad + sizeof(payload) + sizeof(adr), (void *)&val, sizeof(val));
+	return le32_to_cpu(val);
+}
+
+static void payload_write32(struct xfel_ctx_t * ctx, uint32_t addr, uint32_t val)
+{
+	static const uint8_t payload[] = {
+		0x00, 0x00, 0xa0, 0xe3, 0x17, 0x0f, 0x08, 0xee, 0x15, 0x0f, 0x07, 0xee,
+		0xd5, 0x0f, 0x07, 0xee, 0x9a, 0x0f, 0x07, 0xee, 0x95, 0x0f, 0x07, 0xee,
+		0xff, 0xff, 0xff, 0xea, 0x08, 0x00, 0x9f, 0xe5, 0x08, 0x10, 0x9f, 0xe5,
+		0x00, 0x10, 0x80, 0xe5, 0x1e, 0xff, 0x2f, 0xe1,
+	};
+	uint32_t params[2] = {
+		cpu_to_le32(addr),
+		cpu_to_le32(val),
+	};
+
+	fel_write(ctx, ctx->version.scratchpad, (void *)payload, sizeof(payload));
+	fel_write(ctx, ctx->version.scratchpad + sizeof(payload), (void *)params, sizeof(params));
+	fel_exec(ctx, ctx->version.scratchpad);
+}
+
+static int chip_reset(struct xfel_ctx_t * ctx)
+{
+	return 0;
+}
+
+static int chip_sid(struct xfel_ctx_t * ctx, char * sid)
+{
+	uint32_t id[4];
+
+	id[0] = payload_read32(ctx, 0x03006200 + 0x0);
+	id[1] = payload_read32(ctx, 0x03006200 + 0x4);
+	id[2] = payload_read32(ctx, 0x03006200 + 0x8);
+	id[3] = payload_read32(ctx, 0x03006200 + 0xc);
+	sprintf(sid, "%08x%08x%08x%08x", id[0], id[1], id[2], id[3]);
+	return 1;
+}
+
+static int chip_jtag(struct xfel_ctx_t * ctx)
+{
+	return 0;
+}
+
+static int chip_ddr(struct xfel_ctx_t * ctx, const char * type)
+{
+	return 0;
+}
+
+static int chip_spi_init(struct xfel_ctx_t * ctx, uint32_t * swapbuf, uint32_t * swaplen, uint32_t * cmdlen)
+{
+	return 0;
+}
+
+static int chip_spi_run(struct xfel_ctx_t * ctx, uint8_t * cbuf, uint32_t clen)
+{
+	return 0;
+}
+
+enum {
+	SID_PRCTL		= 0x03006000 + 0x040,
+	SID_PRKEY		= 0x03006000 + 0x050,
+	SID_RDKEY 		= 0x03006000 + 0x060,
+	EFUSE_HV_SWITCH	= 0x07090000 + 0x204,
+};
+
+static uint32_t efuse_read(struct xfel_ctx_t * ctx, uint32_t offset)
+{
+	uint32_t val;
+
+	val = payload_read32(ctx, SID_PRCTL);
+	val &= ~((0x1ff << 16) | 0x3);
+	val |= offset << 16;
+	payload_write32(ctx, SID_PRCTL, val);
+	val &= ~((0xff << 8) | 0x3);
+	val |= (0xac << 8) | 0x2;
+	payload_write32(ctx, SID_PRCTL, val);
+	while(payload_read32(ctx, SID_PRCTL) & 0x2);
+	val &= ~((0x1ff << 16) | (0xff << 8) | 0x3);
+	payload_write32(ctx, SID_PRCTL, val);
+	val = payload_read32(ctx, SID_RDKEY);
+
+	return val;
+}
+
+static void efuse_write(struct xfel_ctx_t * ctx, uint32_t offset, uint32_t value)
+{
+	uint32_t val;
+
+	payload_write32(ctx, EFUSE_HV_SWITCH, 0x1);
+	payload_write32(ctx, SID_PRKEY, value);
+	val = payload_read32(ctx, SID_PRCTL);
+	val &= ~((0x1ff << 16) | 0x3);
+	val |= offset << 16;
+	payload_write32(ctx, SID_PRCTL, val);
+	val &= ~((0xff << 8) | 0x3);
+	val |= (0xac << 8) | 0x1;
+	payload_write32(ctx, SID_PRCTL, val);
+	while(payload_read32(ctx, SID_PRCTL) & 0x1);
+	val &= ~((0x1ff << 16) | (0xff << 8) | 0x3);
+	payload_write32(ctx, SID_PRCTL, val);
+	payload_write32(ctx, EFUSE_HV_SWITCH, 0x0);
+}
+
+static const struct sid_section_t {
+	char * name;
+	uint32_t offset;
+	uint32_t size_bits;
+} sids[] = {
+	{ "chipid",         0x00,  128 },
+	{ "brom-config",    0x10,   32 },
+	{ "tf-zone",        0x28,  128 },
+	{ "thermal-sensor", 0x30,   64 },
+	{ "oem-program",    0x3c,  160 },
+	{ "write-protect",  0x80,   32 },
+	{ "read-protect",   0x84,   32 },
+	{ "lcjs",           0x88,   32 },
+	{ "attr",           0x90,   32 },
+	{ "huk",            0x94,  192 },
+	{ "reserved1",      0xac,   64 },
+	{ "rotpk",          0xb4,  256 },
+	{ "ssk",            0xd4,  128 },
+	{ "rssk",           0xf4,  256 },
+	{ "sn",             0xb0,  192 },
+	{ "nv1",            0x124,  32 },
+	{ "nv2",            0x128, 224 },
+	{ "hdcp-hash",      0x114, 128 },
+	{ "backup-key",     0x164, 192 },
+	{ "backup-key2",    0x1a4,  72 }
+};
+
+static int chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
+{
+	if(argc > 0)
+	{
+		if(!strcmp(argv[0], "efuse"))
+		{
+			argc -= 1;
+			argv += 1;
+			if(argc > 0)
+			{
+				if(!strcmp(argv[0], "dump") && (argc == 1))
+				{
+					uint32_t buffer[2048 / 4];
+					for(int n = 0; n < ARRAY_SIZE(sids); n++)
+					{
+						uint32_t count = sids[n].size_bits / 32;
+						for(int i = 0; i < count; i++)
+							buffer[i] = efuse_read(ctx, sids[n].offset + i * 4);
+						printf("%s:(0x%04x %d-bits)", sids[n].name, sids[n].offset, sids[n].size_bits);
+						for(int i = 0; i < count; i++)
+						{
+							if(i >= 0 && ((i % 8) == 0))
+								printf("\r\n%-4s", "");
+							printf("%08x ", buffer[i]);
+						}
+						printf("\r\n");
+					}
+					return 1;
+				}
+				else if(!strcmp(argv[0], "read32") && (argc == 2))
+				{
+					uint32_t offset = strtoul(argv[1], NULL, 0);
+					printf("0x%08x\r\n", efuse_read(ctx, offset));
+					return 1;
+				}
+				else if(!strcmp(argv[0], "write32") && (argc == 3))
+				{
+					uint32_t offset = strtoul(argv[1], NULL, 0);
+					size_t value = strtoul(argv[2], NULL, 0);
+					efuse_write(ctx, offset, value);
+					return 1;
+				}
+				else if(!strcmp(argv[0], "write") && (argc == 3))
+				{
+					uint32_t offset = strtoul(argv[1], NULL, 0);
+					uint64_t len;
+					void * buf = file_load(argv[2], &len);
+					if(buf && (len > 0))
+					{
+						uint8_t * p = buf;
+						uint32_t l = len;
+						uint32_t o = 0;
+						uint32_t v;
+						while(l >= 4)
+						{
+							v = *((uint32_t *)p);
+							efuse_write(ctx, offset + o, v);
+							l -= 4;
+							o += 4;
+							p += 4;
+						}
+						if(l > 0)
+						{
+							uint32_t v = 0;
+							for(int i = 0; i < l; i++)
+								v = ((v << 8) & 0xffffff00) | p[i];
+							efuse_write(ctx, offset + o, v);
+						}
+						free(buf);
+						return 1;
+					}
+				}
+			}
+		}
+		else if(!strcmp(argv[0], "checksboot"))
+		{
+			uint32_t secure_status = payload_read32(ctx, 0x03006000 + 0xA0);
+			if(secure_status)
+				printf("The device enabled the security boot.\r\n");
+			else
+				printf("The device does not enabled the security boot.\r\n");
+			return 1;
+		}
+	}
+	printf("usage:\r\n");
+	printf("    xfel extra efuse dump                     - Dump all of the efuse information\r\n");
+	printf("    xfel extra efuse read32 <offset>          - Read 32-bits value from efuse\r\n");
+	printf("    xfel extra efuse write32 <offset> <value> - Write 32-bits value to efuse\r\n");
+	printf("    xfel extra efuse write <offset> <file>    - Write file to efuse\r\n");
+	printf("    xfel extra checksboot                     - Check whether security boot is enabled on the device\r\n");
+	return 0;
+}
+
+struct chip_t a733 = {
+	.name = "A733",
+	.detect = chip_detect,
+	.reset = chip_reset,
+	.sid = chip_sid,
+	.jtag = chip_jtag,
+	.ddr = chip_ddr,
+	.spi_init = chip_spi_init,
+	.spi_run = chip_spi_run,
+	.extra = chip_extra,
+};

chips/a80.c

@@ -37,6 +37,11 @@ static int chip_spi_run(struct xfel_ctx_t * ctx, uint8_t * cbuf, uint32_t clen)
 	return 0;
 }
 
+static int chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
+{
+	return 0;
+}
+
 struct chip_t a80 = {
 	.name = "A80",
 	.detect = chip_detect,
@@ -46,4 +51,5 @@ struct chip_t a80 = {
 	.ddr = chip_ddr,
 	.spi_init = chip_spi_init,
 	.spi_run = chip_spi_run,
+	.extra = chip_extra,
 };

chips/a83t.c

@@ -37,6 +37,11 @@ static int chip_spi_run(struct xfel_ctx_t * ctx, uint8_t * cbuf, uint32_t clen)
 	return 0;
 }
 
+static int chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
+{
+	return 0;
+}
+
 struct chip_t a83t = {
 	.name = "A83T",
 	.detect = chip_detect,
@@ -46,4 +51,5 @@ struct chip_t a83t = {
 	.ddr = chip_ddr,
 	.spi_init = chip_spi_init,
 	.spi_run = chip_spi_run,
+	.extra = chip_extra,
 };

chips/f1c100s_f1c200s_f1c500s.c

@@ -424,7 +424,7 @@ static int chip_spi_init(struct xfel_ctx_t * ctx, uint32_t * swapbuf, uint32_t *
 		0xff, 0xff, 0xff, 0xea, 0x40, 0x00, 0xa0, 0xe3, 0x00, 0xd0, 0x80, 0xe5,
 		0x04, 0xe0, 0x80, 0xe5, 0x00, 0xe0, 0x0f, 0xe1, 0x08, 0xe0, 0x80, 0xe5,
 		0x10, 0xef, 0x11, 0xee, 0x0c, 0xe0, 0x80, 0xe5, 0x10, 0xef, 0x11, 0xee,
-		0x10, 0xe0, 0x80, 0xe5, 0x26, 0x0b, 0xa0, 0xe3, 0x85, 0x00, 0x00, 0xeb,
+		0x10, 0xe0, 0x80, 0xe5, 0x26, 0x0b, 0xa0, 0xe3, 0x8b, 0x00, 0x00, 0xeb,
 		0x04, 0x00, 0xa0, 0xe3, 0x65, 0x10, 0xa0, 0xe3, 0x00, 0x10, 0xc0, 0xe5,
 		0x47, 0x10, 0xa0, 0xe3, 0x01, 0x10, 0xc0, 0xe5, 0x4f, 0x10, 0xa0, 0xe3,
 		0x02, 0x10, 0xc0, 0xe5, 0x4e, 0x10, 0xa0, 0xe3, 0x03, 0x10, 0xc0, 0xe5,
@@ -435,40 +435,42 @@ static int chip_spi_init(struct xfel_ctx_t * ctx, uint32_t * swapbuf, uint32_t *
 		0x10, 0x1f, 0x01, 0xee, 0x0c, 0x10, 0x90, 0xe5, 0x10, 0x1f, 0x01, 0xee,
 		0x08, 0x10, 0x90, 0xe5, 0x01, 0xf0, 0x29, 0xe1, 0x1e, 0xff, 0x2f, 0xe1,
 		0xf0, 0x40, 0x2d, 0xe9, 0x00, 0x50, 0x51, 0xe2, 0xf0, 0x80, 0xbd, 0x08,
-		0xc8, 0xe0, 0x9f, 0xe5, 0xc8, 0x60, 0x9f, 0xe5, 0xc8, 0x40, 0x9f, 0xe5,
+		0xd4, 0x10, 0x9f, 0xe5, 0xd4, 0x60, 0x9f, 0xe5, 0xd4, 0x40, 0x9f, 0xe5,
 		0x00, 0x70, 0xe0, 0xe3, 0x40, 0x00, 0x55, 0xe3, 0x05, 0x20, 0xa0, 0x31,
-		0x40, 0x20, 0xa0, 0x23, 0x00, 0x30, 0xa0, 0xe3, 0x07, 0x10, 0xa0, 0xe1,
-		0x30, 0x20, 0x8e, 0xe5, 0x34, 0x20, 0x8e, 0xe5, 0x38, 0x20, 0x8e, 0xe5,
-		0x01, 0x30, 0x83, 0xe2, 0x03, 0x00, 0x52, 0xe1, 0x00, 0x10, 0xc6, 0xe5,
-		0xfb, 0xff, 0xff, 0xca, 0x08, 0x30, 0x9e, 0xe5, 0x02, 0x31, 0x83, 0xe3,
-		0x08, 0x30, 0x8e, 0xe5, 0x1c, 0x30, 0x9e, 0xe5, 0xff, 0x30, 0x03, 0xe2,
+		0x40, 0x20, 0xa0, 0x23, 0x00, 0x30, 0xa0, 0xe3, 0x07, 0xc0, 0xa0, 0xe1,
+		0x30, 0x20, 0x81, 0xe5, 0x34, 0x20, 0x81, 0xe5, 0x38, 0x20, 0x81, 0xe5,
+		0x01, 0x30, 0x83, 0xe2, 0x03, 0x00, 0x52, 0xe1, 0x00, 0xc0, 0xc6, 0xe5,
+		0xfb, 0xff, 0xff, 0xca, 0x08, 0x30, 0x91, 0xe5, 0x02, 0x31, 0x83, 0xe3,
+		0x08, 0x30, 0x81, 0xe5, 0x08, 0x30, 0x91, 0xe5, 0x00, 0x00, 0x53, 0xe3,
+		0xfc, 0xff, 0xff, 0xba, 0x1c, 0x30, 0x91, 0xe5, 0xff, 0x30, 0x03, 0xe2,
 		0x03, 0x00, 0x52, 0xe1, 0xfb, 0xff, 0xff, 0x8a, 0x00, 0x30, 0xa0, 0xe3,
-		0x00, 0xc0, 0xd4, 0xe5, 0x00, 0x00, 0x50, 0xe3, 0x00, 0x10, 0xa0, 0xe1,
-		0xff, 0xc0, 0x0c, 0xe2, 0x07, 0x00, 0x00, 0x0a, 0x01, 0x30, 0x83, 0xe2,
-		0x03, 0x00, 0x52, 0xe1, 0x01, 0xc0, 0xc1, 0xe4, 0x01, 0x00, 0xa0, 0xe1,
-		0xf5, 0xff, 0xff, 0xca, 0x02, 0x50, 0x55, 0xe0, 0xdf, 0xff, 0xff, 0x1a,
-		0xf0, 0x80, 0xbd, 0xe8, 0x01, 0x10, 0x83, 0xe2, 0x02, 0x00, 0x51, 0xe1,
+		0x00, 0xe0, 0xd4, 0xe5, 0x00, 0x00, 0x50, 0xe3, 0x00, 0xc0, 0xa0, 0xe1,
+		0xff, 0xe0, 0x0e, 0xe2, 0x07, 0x00, 0x00, 0x0a, 0x01, 0x30, 0x83, 0xe2,
+		0x03, 0x00, 0x52, 0xe1, 0x01, 0xe0, 0xcc, 0xe4, 0x0c, 0x00, 0xa0, 0xe1,
+		0xf5, 0xff, 0xff, 0xca, 0x02, 0x50, 0x55, 0xe0, 0xdc, 0xff, 0xff, 0x1a,
+		0xf0, 0x80, 0xbd, 0xe8, 0x01, 0xc0, 0x83, 0xe2, 0x02, 0x00, 0x5c, 0xe1,
 		0x02, 0x30, 0x83, 0xe2, 0xf8, 0xff, 0xff, 0xaa, 0x03, 0x00, 0x52, 0xe1,
-		0x00, 0x10, 0xd4, 0xe5, 0xf5, 0xff, 0xff, 0xda, 0x00, 0x10, 0xd4, 0xe5,
-		0x01, 0x10, 0x83, 0xe2, 0x02, 0x00, 0x51, 0xe1, 0x02, 0x30, 0x83, 0xe2,
-		0xf7, 0xff, 0xff, 0xba, 0x02, 0x50, 0x55, 0xe0, 0xd0, 0xff, 0xff, 0x1a,
+		0x00, 0xc0, 0xd4, 0xe5, 0xf5, 0xff, 0xff, 0xda, 0x00, 0xc0, 0xd4, 0xe5,
+		0x01, 0xc0, 0x83, 0xe2, 0x02, 0x00, 0x5c, 0xe1, 0x02, 0x30, 0x83, 0xe2,
+		0xf7, 0xff, 0xff, 0xba, 0x02, 0x50, 0x55, 0xe0, 0xcd, 0xff, 0xff, 0x1a,
 		0xf0, 0x80, 0xbd, 0xe8, 0x00, 0x50, 0xc0, 0x01, 0x00, 0x52, 0xc0, 0x01,
 		0x00, 0x53, 0xc0, 0x01, 0xf0, 0x40, 0x2d, 0xe9, 0x00, 0x60, 0x51, 0xe2,
-		0xf0, 0x80, 0xbd, 0x08, 0xa4, 0x10, 0x9f, 0xe5, 0xa4, 0x50, 0x9f, 0xe5,
-		0xa4, 0x40, 0x9f, 0xe5, 0x00, 0x70, 0xe0, 0xe3, 0x40, 0x00, 0x56, 0xe3,
+		0xf0, 0x80, 0xbd, 0x08, 0xb0, 0x10, 0x9f, 0xe5, 0xb0, 0x50, 0x9f, 0xe5,
+		0xb0, 0x40, 0x9f, 0xe5, 0x00, 0x70, 0xe0, 0xe3, 0x40, 0x00, 0x56, 0xe3,
 		0x06, 0x20, 0xa0, 0x31, 0x40, 0x20, 0xa0, 0x23, 0x00, 0x00, 0x50, 0xe3,
 		0x30, 0x20, 0x81, 0xe5, 0x34, 0x20, 0x81, 0xe5, 0x38, 0x20, 0x81, 0xe5,
-		0x17, 0x00, 0x00, 0x0a, 0x00, 0xc0, 0xa0, 0xe1, 0x00, 0x30, 0xa0, 0xe3,
+		0x1a, 0x00, 0x00, 0x0a, 0x00, 0xc0, 0xa0, 0xe1, 0x00, 0x30, 0xa0, 0xe3,
 		0x01, 0xe0, 0xdc, 0xe4, 0x01, 0x30, 0x83, 0xe2, 0x03, 0x00, 0x52, 0xe1,
 		0x00, 0xe0, 0xc5, 0xe5, 0xfa, 0xff, 0xff, 0xca, 0x08, 0x30, 0x91, 0xe5,
-		0x02, 0x31, 0x83, 0xe3, 0x08, 0x30, 0x81, 0xe5, 0x1c, 0x30, 0x91, 0xe5,
+		0x02, 0x31, 0x83, 0xe3, 0x08, 0x30, 0x81, 0xe5, 0x08, 0x30, 0x91, 0xe5,
+		0x00, 0x00, 0x53, 0xe3, 0xfc, 0xff, 0xff, 0xba, 0x1c, 0x30, 0x91, 0xe5,
 		0xff, 0x30, 0x03, 0xe2, 0x03, 0x00, 0x52, 0xe1, 0xfb, 0xff, 0xff, 0x8a,
 		0x00, 0x30, 0xa0, 0xe3, 0x01, 0x30, 0x83, 0xe2, 0x03, 0x00, 0x52, 0xe1,
 		0x00, 0xc0, 0xd4, 0xe5, 0xfb, 0xff, 0xff, 0xca, 0x00, 0x00, 0x50, 0xe3,
-		0x02, 0x00, 0x80, 0x10, 0x02, 0x60, 0x56, 0xe0, 0xe0, 0xff, 0xff, 0x1a,
+		0x02, 0x00, 0x80, 0x10, 0x02, 0x60, 0x56, 0xe0, 0xdd, 0xff, 0xff, 0x1a,
 		0xf0, 0x80, 0xbd, 0xe8, 0x00, 0x30, 0xa0, 0xe1, 0x07, 0xc0, 0xa0, 0xe1,
 		0x01, 0x30, 0x83, 0xe2, 0x03, 0x00, 0x52, 0xe1, 0x00, 0xc0, 0xc5, 0xe5,
-		0xfb, 0xff, 0xff, 0xca, 0xe7, 0xff, 0xff, 0xea, 0x00, 0x50, 0xc0, 0x01,
+		0xfb, 0xff, 0xff, 0xca, 0xe4, 0xff, 0xff, 0xea, 0x00, 0x50, 0xc0, 0x01,
 		0x00, 0x52, 0xc0, 0x01, 0x00, 0x53, 0xc0, 0x01, 0xf0, 0x43, 0x2d, 0xe9,
 		0x50, 0x82, 0x9f, 0xe5, 0x50, 0x52, 0x9f, 0xe5, 0x50, 0x72, 0x9f, 0xe5,
 		0x14, 0xd0, 0x4d, 0xe2, 0x00, 0x60, 0xa0, 0xe1, 0x06, 0x40, 0xa0, 0xe1,
@@ -479,8 +481,8 @@ static int chip_spi_init(struct xfel_ctx_t * ctx, uint32_t * swapbuf, uint32_t *
 		0x60, 0x00, 0x00, 0x0a, 0x07, 0x00, 0x53, 0xe3, 0x6f, 0x00, 0x00, 0x0a,
 		0x08, 0x00, 0x53, 0xe3, 0x7c, 0x00, 0x00, 0x1a, 0x0d, 0x90, 0xa0, 0xe1,
 		0x08, 0x60, 0x8d, 0xe2, 0xb0, 0x80, 0xcd, 0xe1, 0x02, 0x10, 0xa0, 0xe3,
-		0x09, 0x00, 0xa0, 0xe1, 0xb0, 0xff, 0xff, 0xeb, 0x01, 0x10, 0xa0, 0xe3,
-		0x06, 0x00, 0xa0, 0xe1, 0x73, 0xff, 0xff, 0xeb, 0x08, 0x30, 0xdd, 0xe5,
+		0x09, 0x00, 0xa0, 0xe1, 0xad, 0xff, 0xff, 0xeb, 0x01, 0x10, 0xa0, 0xe3,
+		0x06, 0x00, 0xa0, 0xe1, 0x6d, 0xff, 0xff, 0xeb, 0x08, 0x30, 0xdd, 0xe5,
 		0x01, 0x00, 0x13, 0xe3, 0xf6, 0xff, 0xff, 0x1a, 0x04, 0x60, 0xa0, 0xe1,
 		0x06, 0x40, 0xa0, 0xe1, 0x01, 0x30, 0xd4, 0xe4, 0x01, 0x00, 0x53, 0xe3,
 		0xe0, 0xff, 0xff, 0x1a, 0x48, 0x38, 0x97, 0xe5, 0xb8, 0x21, 0x9f, 0xe5,
@@ -502,22 +504,22 @@ static int chip_spi_init(struct xfel_ctx_t * ctx, uint32_t * swapbuf, uint32_t *
 		0x04, 0x60, 0xa0, 0xe1, 0xb0, 0x30, 0xc3, 0xe3, 0x80, 0x30, 0x83, 0xe3,
 		0x08, 0x30, 0x85, 0xe5, 0xa8, 0xff, 0xff, 0xea, 0x01, 0x90, 0xd6, 0xe5,
 		0x02, 0x00, 0x86, 0xe2, 0x09, 0x10, 0xa0, 0xe1, 0x01, 0x60, 0x89, 0xe2,
-		0x6c, 0xff, 0xff, 0xeb, 0x06, 0x60, 0x84, 0xe0, 0xa1, 0xff, 0xff, 0xea,
+		0x69, 0xff, 0xff, 0xeb, 0x06, 0x60, 0x84, 0xe0, 0xa1, 0xff, 0xff, 0xea,
 		0x05, 0x20, 0xd6, 0xe5, 0x06, 0x90, 0xd6, 0xe5, 0x01, 0x30, 0xd6, 0xe5,
 		0x02, 0x40, 0xd6, 0xe5, 0x07, 0xe0, 0xd6, 0xe5, 0x03, 0xc0, 0xd6, 0xe5,
 		0x08, 0x10, 0xd6, 0xe5, 0x04, 0x00, 0xd6, 0xe5, 0x09, 0x24, 0x82, 0xe1,
 		0x04, 0x34, 0x83, 0xe1, 0x0e, 0x28, 0x82, 0xe1, 0x0c, 0x38, 0x83, 0xe1,
-		0x01, 0x1c, 0x82, 0xe1, 0x00, 0x0c, 0x83, 0xe1, 0x5b, 0xff, 0xff, 0xeb,
+		0x01, 0x1c, 0x82, 0xe1, 0x00, 0x0c, 0x83, 0xe1, 0x58, 0xff, 0xff, 0xeb,
 		0x09, 0x60, 0x86, 0xe2, 0x90, 0xff, 0xff, 0xea, 0x05, 0x20, 0xd6, 0xe5,
 		0x06, 0x90, 0xd6, 0xe5, 0x01, 0x30, 0xd6, 0xe5, 0x02, 0x40, 0xd6, 0xe5,
 		0x07, 0xe0, 0xd6, 0xe5, 0x03, 0xc0, 0xd6, 0xe5, 0x08, 0x10, 0xd6, 0xe5,
 		0x04, 0x00, 0xd6, 0xe5, 0x09, 0x24, 0x82, 0xe1, 0x04, 0x34, 0x83, 0xe1,
 		0x0e, 0x28, 0x82, 0xe1, 0x0c, 0x38, 0x83, 0xe1, 0x01, 0x1c, 0x82, 0xe1,
-		0x00, 0x0c, 0x83, 0xe1, 0x10, 0xff, 0xff, 0xeb, 0x09, 0x60, 0x86, 0xe2,
+		0x00, 0x0c, 0x83, 0xe1, 0x0a, 0xff, 0xff, 0xeb, 0x09, 0x60, 0x86, 0xe2,
 		0x7f, 0xff, 0xff, 0xea, 0x05, 0x30, 0xa0, 0xe3, 0x0d, 0x90, 0xa0, 0xe1,
 		0x08, 0x60, 0x8d, 0xe2, 0x00, 0x30, 0xcd, 0xe5, 0x01, 0x10, 0xa0, 0xe3,
-		0x09, 0x00, 0xa0, 0xe1, 0x41, 0xff, 0xff, 0xeb, 0x01, 0x10, 0xa0, 0xe3,
-		0x06, 0x00, 0xa0, 0xe1, 0x04, 0xff, 0xff, 0xeb, 0x08, 0x30, 0xdd, 0xe5,
+		0x09, 0x00, 0xa0, 0xe1, 0x3e, 0xff, 0xff, 0xeb, 0x01, 0x10, 0xa0, 0xe3,
+		0x06, 0x00, 0xa0, 0xe1, 0xfe, 0xfe, 0xff, 0xeb, 0x08, 0x30, 0xdd, 0xe5,
 		0x01, 0x00, 0x13, 0xe3, 0xf6, 0xff, 0xff, 0x1a, 0x04, 0x60, 0xa0, 0xe1,
 		0x8f, 0xff, 0xff, 0xea, 0x14, 0xd0, 0x8d, 0xe2, 0xf0, 0x83, 0xbd, 0xe8,
 		0x0f, 0xc0, 0xff, 0xff, 0x00, 0x50, 0xc0, 0x01, 0x00, 0x00, 0xc2, 0x01,
@@ -540,6 +542,11 @@ static int chip_spi_run(struct xfel_ctx_t * ctx, uint8_t * cbuf, uint32_t clen)
 	return 1;
 }
 
+static int chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
+{
+	return 0;
+}
+
 struct chip_t f1c100s_f1c200s_f1c500s = {
 	.name = "F1C100S/F1C200S/F1C500S",
 	.detect = chip_detect,
@@ -549,4 +556,5 @@ struct chip_t f1c100s_f1c200s_f1c500s = {
 	.ddr = chip_ddr,
 	.spi_init = chip_spi_init,
 	.spi_run = chip_spi_run,
+	.extra = chip_extra,
 };

chips/h2_h3.c

@@ -1017,8 +1017,9 @@ static int chip_ddr(struct xfel_ctx_t * ctx, const char * type)
 			return 1;
 		}
 	}
-	printf("xfel ddr h2 - Initial h2 ddr controller\r\n");
-	printf("xfel ddr h3 - Initial h3 ddr controller\r\n");
+	printf("usage:\r\n");
+	printf("    xfel ddr h2 - Initial h2 ddr controller\r\n");
+	printf("    xfel ddr h3 - Initial h3 ddr controller\r\n");
 	return 0;
 }
 
@@ -1029,47 +1030,49 @@ static int chip_spi_init(struct xfel_ctx_t * ctx, uint32_t * swapbuf, uint32_t *
 		0x04, 0xe0, 0x80, 0xe5, 0x00, 0xe0, 0x0f, 0xe1, 0x08, 0xe0, 0x80, 0xe5,
 		0x10, 0xef, 0x11, 0xee, 0x0c, 0xe0, 0x80, 0xe5, 0x10, 0xef, 0x1c, 0xee,
 		0x10, 0xe0, 0x80, 0xe5, 0x10, 0xef, 0x11, 0xee, 0x14, 0xe0, 0x80, 0xe5,
-		0x09, 0x0a, 0xa0, 0xe3, 0x76, 0x00, 0x00, 0xeb, 0x40, 0x00, 0xa0, 0xe3,
+		0x09, 0x0a, 0xa0, 0xe3, 0x7c, 0x00, 0x00, 0xeb, 0x40, 0x00, 0xa0, 0xe3,
 		0x00, 0xd0, 0x90, 0xe5, 0x04, 0xe0, 0x90, 0xe5, 0x14, 0x10, 0x90, 0xe5,
 		0x10, 0x1f, 0x01, 0xee, 0x10, 0x10, 0x90, 0xe5, 0x10, 0x1f, 0x0c, 0xee,
 		0x0c, 0x10, 0x90, 0xe5, 0x10, 0x1f, 0x01, 0xee, 0x08, 0x10, 0x90, 0xe5,
 		0x01, 0xf0, 0x29, 0xe1, 0x1e, 0xff, 0x2f, 0xe1, 0xf0, 0x40, 0x2d, 0xe9,
-		0x00, 0x50, 0x51, 0xe2, 0xf0, 0x80, 0xbd, 0x08, 0x02, 0xe9, 0xa0, 0xe3,
-		0x82, 0x6c, 0xa0, 0xe3, 0xc6, 0xe1, 0x40, 0xe3, 0x83, 0x4c, 0xa0, 0xe3,
+		0x00, 0x50, 0x51, 0xe2, 0xf0, 0x80, 0xbd, 0x08, 0x02, 0x19, 0xa0, 0xe3,
+		0x82, 0x6c, 0xa0, 0xe3, 0xc6, 0x11, 0x40, 0xe3, 0x83, 0x4c, 0xa0, 0xe3,
 		0xc6, 0x61, 0x40, 0xe3, 0x00, 0x70, 0xe0, 0xe3, 0xc6, 0x41, 0x40, 0xe3,
-		0x40, 0x00, 0x55, 0xe3, 0x00, 0x30, 0xa0, 0xe3, 0x07, 0x10, 0xa0, 0xe1,
-		0x05, 0x20, 0xa0, 0x31, 0x40, 0x20, 0xa0, 0x23, 0x30, 0x20, 0x8e, 0xe5,
-		0x34, 0x20, 0x8e, 0xe5, 0x38, 0x20, 0x8e, 0xe5, 0x00, 0x10, 0xc6, 0xe5,
+		0x40, 0x00, 0x55, 0xe3, 0x00, 0x30, 0xa0, 0xe3, 0x07, 0xc0, 0xa0, 0xe1,
+		0x05, 0x20, 0xa0, 0x31, 0x40, 0x20, 0xa0, 0x23, 0x30, 0x20, 0x81, 0xe5,
+		0x34, 0x20, 0x81, 0xe5, 0x38, 0x20, 0x81, 0xe5, 0x00, 0xc0, 0xc6, 0xe5,
 		0x01, 0x30, 0x83, 0xe2, 0x03, 0x00, 0x52, 0xe1, 0xfb, 0xff, 0xff, 0xca,
-		0x08, 0x30, 0x9e, 0xe5, 0x02, 0x31, 0x83, 0xe3, 0x08, 0x30, 0x8e, 0xe5,
-		0x1c, 0x30, 0x9e, 0xe5, 0x73, 0x30, 0xef, 0xe6, 0x03, 0x00, 0x52, 0xe1,
-		0xfb, 0xff, 0xff, 0x8a, 0x00, 0x30, 0xa0, 0xe3, 0x00, 0xc0, 0xd4, 0xe5,
-		0x00, 0x00, 0x50, 0xe3, 0x00, 0x10, 0xa0, 0xe1, 0x01, 0x30, 0x83, 0xe2,
-		0x7c, 0xc0, 0xef, 0xe6, 0x06, 0x00, 0x00, 0x0a, 0x03, 0x00, 0x52, 0xe1,
-		0x01, 0xc0, 0xc1, 0xe4, 0x01, 0x00, 0xa0, 0xe1, 0xf5, 0xff, 0xff, 0xca,
-		0x02, 0x50, 0x55, 0xe0, 0xdf, 0xff, 0xff, 0x1a, 0xf0, 0x80, 0xbd, 0xe8,
-		0x03, 0x00, 0x52, 0xe1, 0x01, 0x10, 0x83, 0xe2, 0x02, 0x30, 0x83, 0xe2,
-		0xf8, 0xff, 0xff, 0xda, 0x01, 0x00, 0x52, 0xe1, 0x00, 0x10, 0xd4, 0xe5,
-		0xf5, 0xff, 0xff, 0xda, 0x03, 0x00, 0x52, 0xe1, 0x00, 0x10, 0xd4, 0xe5,
-		0x01, 0x10, 0x83, 0xe2, 0x02, 0x30, 0x83, 0xe2, 0xf7, 0xff, 0xff, 0xca,
-		0x02, 0x50, 0x55, 0xe0, 0xd0, 0xff, 0xff, 0x1a, 0xf0, 0x80, 0xbd, 0xe8,
+		0x08, 0x30, 0x91, 0xe5, 0x02, 0x31, 0x83, 0xe3, 0x08, 0x30, 0x81, 0xe5,
+		0x08, 0x30, 0x91, 0xe5, 0x00, 0x00, 0x53, 0xe3, 0xfc, 0xff, 0xff, 0xba,
+		0x1c, 0x30, 0x91, 0xe5, 0x73, 0x30, 0xef, 0xe6, 0x03, 0x00, 0x52, 0xe1,
+		0xfb, 0xff, 0xff, 0x8a, 0x00, 0x30, 0xa0, 0xe3, 0x00, 0xe0, 0xd4, 0xe5,
+		0x00, 0x00, 0x50, 0xe3, 0x00, 0xc0, 0xa0, 0xe1, 0x01, 0x30, 0x83, 0xe2,
+		0x7e, 0xe0, 0xef, 0xe6, 0x06, 0x00, 0x00, 0x0a, 0x03, 0x00, 0x52, 0xe1,
+		0x01, 0xe0, 0xcc, 0xe4, 0x0c, 0x00, 0xa0, 0xe1, 0xf5, 0xff, 0xff, 0xca,
+		0x02, 0x50, 0x55, 0xe0, 0xdc, 0xff, 0xff, 0x1a, 0xf0, 0x80, 0xbd, 0xe8,
+		0x03, 0x00, 0x52, 0xe1, 0x01, 0xc0, 0x83, 0xe2, 0x02, 0x30, 0x83, 0xe2,
+		0xf8, 0xff, 0xff, 0xda, 0x0c, 0x00, 0x52, 0xe1, 0x00, 0xc0, 0xd4, 0xe5,
+		0xf5, 0xff, 0xff, 0xda, 0x03, 0x00, 0x52, 0xe1, 0x00, 0xc0, 0xd4, 0xe5,
+		0x01, 0xc0, 0x83, 0xe2, 0x02, 0x30, 0x83, 0xe2, 0xf7, 0xff, 0xff, 0xca,
+		0x02, 0x50, 0x55, 0xe0, 0xcd, 0xff, 0xff, 0x1a, 0xf0, 0x80, 0xbd, 0xe8,
 		0xf0, 0x40, 0x2d, 0xe9, 0x00, 0x60, 0x51, 0xe2, 0xf0, 0x80, 0xbd, 0x08,
 		0x02, 0x19, 0xa0, 0xe3, 0x82, 0x5c, 0xa0, 0xe3, 0xc6, 0x11, 0x40, 0xe3,
 		0x83, 0x4c, 0xa0, 0xe3, 0xc6, 0x51, 0x40, 0xe3, 0x00, 0x70, 0xe0, 0xe3,
 		0xc6, 0x41, 0x40, 0xe3, 0x40, 0x00, 0x56, 0xe3, 0x06, 0x20, 0xa0, 0x31,
 		0x40, 0x20, 0xa0, 0x23, 0x30, 0x20, 0x81, 0xe5, 0x00, 0x00, 0x50, 0xe3,
-		0x34, 0x20, 0x81, 0xe5, 0x38, 0x20, 0x81, 0xe5, 0x17, 0x00, 0x00, 0x0a,
+		0x34, 0x20, 0x81, 0xe5, 0x38, 0x20, 0x81, 0xe5, 0x1a, 0x00, 0x00, 0x0a,
 		0x00, 0xc0, 0xa0, 0xe1, 0x00, 0x30, 0xa0, 0xe3, 0x01, 0xe0, 0xdc, 0xe4,
 		0x01, 0x30, 0x83, 0xe2, 0x03, 0x00, 0x52, 0xe1, 0x00, 0xe0, 0xc5, 0xe5,
 		0xfa, 0xff, 0xff, 0xca, 0x08, 0x30, 0x91, 0xe5, 0x02, 0x31, 0x83, 0xe3,
-		0x08, 0x30, 0x81, 0xe5, 0x1c, 0x30, 0x91, 0xe5, 0x73, 0x30, 0xef, 0xe6,
+		0x08, 0x30, 0x81, 0xe5, 0x08, 0x30, 0x91, 0xe5, 0x00, 0x00, 0x53, 0xe3,
+		0xfc, 0xff, 0xff, 0xba, 0x1c, 0x30, 0x91, 0xe5, 0x73, 0x30, 0xef, 0xe6,
 		0x03, 0x00, 0x52, 0xe1, 0xfb, 0xff, 0xff, 0x8a, 0x00, 0x30, 0xa0, 0xe3,
 		0x00, 0xc0, 0xd4, 0xe5, 0x01, 0x30, 0x83, 0xe2, 0x03, 0x00, 0x52, 0xe1,
 		0xfb, 0xff, 0xff, 0xca, 0x00, 0x00, 0x50, 0xe3, 0x02, 0x00, 0x80, 0x10,
-		0x02, 0x60, 0x56, 0xe0, 0xe0, 0xff, 0xff, 0x1a, 0xf0, 0x80, 0xbd, 0xe8,
+		0x02, 0x60, 0x56, 0xe0, 0xdd, 0xff, 0xff, 0x1a, 0xf0, 0x80, 0xbd, 0xe8,
 		0x00, 0x30, 0xa0, 0xe1, 0x07, 0xc0, 0xa0, 0xe1, 0x00, 0xc0, 0xc5, 0xe5,
 		0x01, 0x30, 0x83, 0xe2, 0x03, 0x00, 0x52, 0xe1, 0xfb, 0xff, 0xff, 0xca,
-		0xe7, 0xff, 0xff, 0xea, 0xf0, 0x43, 0x2d, 0xe9, 0x0f, 0x80, 0x0c, 0xe3,
+		0xe4, 0xff, 0xff, 0xea, 0xf0, 0x43, 0x2d, 0xe9, 0x0f, 0x80, 0x0c, 0xe3,
 		0xff, 0x8f, 0x4f, 0xe3, 0x02, 0x69, 0xa0, 0xe3, 0xc6, 0x61, 0x40, 0xe3,
 		0x00, 0x40, 0xa0, 0xe3, 0xc2, 0x41, 0x40, 0xe3, 0x14, 0xd0, 0x4d, 0xe2,
 		0x00, 0x70, 0xa0, 0xe1, 0x07, 0x50, 0xa0, 0xe1, 0x01, 0x30, 0xd5, 0xe4,
@@ -1080,8 +1083,8 @@ static int chip_spi_init(struct xfel_ctx_t * ctx, uint32_t * swapbuf, uint32_t *
 		0x07, 0x00, 0x53, 0xe3, 0x7d, 0x00, 0x00, 0x0a, 0x08, 0x00, 0x53, 0xe3,
 		0x8a, 0x00, 0x00, 0x1a, 0xb0, 0x80, 0xcd, 0xe1, 0x0d, 0x90, 0xa0, 0xe1,
 		0x08, 0x70, 0x8d, 0xe2, 0x02, 0x10, 0xa0, 0xe3, 0x09, 0x00, 0xa0, 0xe1,
-		0xad, 0xff, 0xff, 0xeb, 0x01, 0x10, 0xa0, 0xe3, 0x07, 0x00, 0xa0, 0xe1,
-		0x70, 0xff, 0xff, 0xeb, 0x08, 0x30, 0xdd, 0xe5, 0x01, 0x00, 0x13, 0xe3,
+		0xaa, 0xff, 0xff, 0xeb, 0x01, 0x10, 0xa0, 0xe3, 0x07, 0x00, 0xa0, 0xe1,
+		0x6a, 0xff, 0xff, 0xeb, 0x08, 0x30, 0xdd, 0xe5, 0x01, 0x00, 0x13, 0xe3,
 		0xf6, 0xff, 0xff, 0x1a, 0x05, 0x70, 0xa0, 0xe1, 0x07, 0x50, 0xa0, 0xe1,
 		0x01, 0x30, 0xd5, 0xe4, 0x01, 0x00, 0x53, 0xe3, 0xe0, 0xff, 0xff, 0x1a,
 		0x48, 0x38, 0x94, 0xe5, 0x01, 0x2a, 0xa0, 0xe3, 0x0f, 0x30, 0xc3, 0xe3,
@@ -1107,43 +1110,43 @@ static int chip_spi_init(struct xfel_ctx_t * ctx, uint32_t * swapbuf, uint32_t *
 		0x08, 0x30, 0x96, 0xe5, 0x05, 0x70, 0xa0, 0xe1, 0xb0, 0x30, 0xc3, 0xe3,
 		0x80, 0x30, 0x83, 0xe3, 0x08, 0x30, 0x86, 0xe5, 0x9a, 0xff, 0xff, 0xea,
 		0x01, 0x90, 0xd7, 0xe5, 0x02, 0x00, 0x87, 0xe2, 0x09, 0x10, 0xa0, 0xe1,
-		0x01, 0x70, 0x89, 0xe2, 0x07, 0x70, 0x85, 0xe0, 0x5a, 0xff, 0xff, 0xeb,
+		0x01, 0x70, 0x89, 0xe2, 0x07, 0x70, 0x85, 0xe0, 0x57, 0xff, 0xff, 0xeb,
 		0x93, 0xff, 0xff, 0xea, 0x06, 0x10, 0xd7, 0xe5, 0x09, 0x70, 0x87, 0xe2,
 		0x07, 0x00, 0x57, 0xe5, 0x04, 0x20, 0x57, 0xe5, 0x08, 0x30, 0x57, 0xe5,
 		0x02, 0xe0, 0x57, 0xe5, 0x06, 0xc0, 0x57, 0xe5, 0x01, 0x24, 0x82, 0xe1,
 		0x00, 0x34, 0x83, 0xe1, 0x01, 0x10, 0x57, 0xe5, 0x05, 0x00, 0x57, 0xe5,
 		0x0e, 0x28, 0x82, 0xe1, 0x0c, 0x38, 0x83, 0xe1, 0x01, 0x1c, 0x82, 0xe1,
-		0x00, 0x0c, 0x83, 0xe1, 0x49, 0xff, 0xff, 0xeb, 0x82, 0xff, 0xff, 0xea,
+		0x00, 0x0c, 0x83, 0xe1, 0x46, 0xff, 0xff, 0xeb, 0x82, 0xff, 0xff, 0xea,
 		0x06, 0x10, 0xd7, 0xe5, 0x09, 0x70, 0x87, 0xe2, 0x07, 0x00, 0x57, 0xe5,
 		0x04, 0x20, 0x57, 0xe5, 0x08, 0x30, 0x57, 0xe5, 0x02, 0xe0, 0x57, 0xe5,
 		0x06, 0xc0, 0x57, 0xe5, 0x01, 0x24, 0x82, 0xe1, 0x00, 0x34, 0x83, 0xe1,
 		0x01, 0x10, 0x57, 0xe5, 0x05, 0x00, 0x57, 0xe5, 0x0e, 0x28, 0x82, 0xe1,
 		0x0c, 0x38, 0x83, 0xe1, 0x01, 0x1c, 0x82, 0xe1, 0x00, 0x0c, 0x83, 0xe1,
-		0xfe, 0xfe, 0xff, 0xeb, 0x71, 0xff, 0xff, 0xea, 0x0d, 0x90, 0xa0, 0xe1,
+		0xf8, 0xfe, 0xff, 0xeb, 0x71, 0xff, 0xff, 0xea, 0x0d, 0x90, 0xa0, 0xe1,
 		0x08, 0x70, 0x8d, 0xe2, 0x05, 0x30, 0xa0, 0xe3, 0x00, 0x30, 0xcd, 0xe5,
-		0x01, 0x10, 0xa0, 0xe3, 0x09, 0x00, 0xa0, 0xe1, 0x30, 0xff, 0xff, 0xeb,
-		0x01, 0x10, 0xa0, 0xe3, 0x07, 0x00, 0xa0, 0xe1, 0xf3, 0xfe, 0xff, 0xeb,
+		0x01, 0x10, 0xa0, 0xe3, 0x09, 0x00, 0xa0, 0xe1, 0x2d, 0xff, 0xff, 0xeb,
+		0x01, 0x10, 0xa0, 0xe3, 0x07, 0x00, 0xa0, 0xe1, 0xed, 0xfe, 0xff, 0xeb,
 		0x08, 0x30, 0xdd, 0xe5, 0x01, 0x00, 0x13, 0xe3, 0xf6, 0xff, 0xff, 0x1a,
 		0x05, 0x70, 0xa0, 0xe1, 0x81, 0xff, 0xff, 0xea, 0x14, 0xd0, 0x8d, 0xe2,
 		0xf0, 0x83, 0xbd, 0xe8, 0x04, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00,
-		0x03, 0x00, 0x00, 0x00, 0x47, 0x4e, 0x55, 0x00, 0x5e, 0xff, 0x86, 0x41,
-		0x5f, 0x0c, 0x57, 0xc9, 0x77, 0xc7, 0x3f, 0xd6, 0xb6, 0xba, 0x19, 0x4e,
-		0xf3, 0x48, 0xda, 0x8e, 0x2f, 0x6c, 0x69, 0x62, 0x2f, 0x6c, 0x64, 0x2d,
+		0x03, 0x00, 0x00, 0x00, 0x47, 0x4e, 0x55, 0x00, 0x89, 0x4f, 0xb3, 0xca,
+		0xe0, 0xdc, 0x25, 0x96, 0xd3, 0xb0, 0xa9, 0xb1, 0x5f, 0x41, 0x72, 0x84,
+		0x27, 0x2e, 0x3f, 0x4d, 0x2f, 0x6c, 0x69, 0x62, 0x2f, 0x6c, 0x64, 0x2d,
 		0x6c, 0x69, 0x6e, 0x75, 0x78, 0x2d, 0x61, 0x72, 0x6d, 0x68, 0x66, 0x2e,
 		0x73, 0x6f, 0x2e, 0x33, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
 		0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-		0x00, 0x00, 0x00, 0x00, 0xf5, 0xfe, 0xff, 0x6f, 0x08, 0x85, 0x00, 0x00,
-		0x05, 0x00, 0x00, 0x00, 0x04, 0x85, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00,
-		0xf4, 0x84, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+		0x00, 0x00, 0x00, 0x00, 0xf5, 0xfe, 0xff, 0x6f, 0x20, 0x85, 0x00, 0x00,
+		0x05, 0x00, 0x00, 0x00, 0x1c, 0x85, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00,
+		0x0c, 0x85, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
 		0x0b, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x15, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00,
 		0xfb, 0xff, 0xff, 0x6f, 0x01, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x85, 0x00, 0x00,
+		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x85, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
 	};
 	fel_write(ctx, 0x00008000, (void *)&payload[0], sizeof(payload));
@@ -1163,6 +1166,11 @@ static int chip_spi_run(struct xfel_ctx_t * ctx, uint8_t * cbuf, uint32_t clen)
 	return 1;
 }
 
+static int chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
+{
+	return 0;
+}
+
 struct chip_t h2_h3 = {
 	.name = "H2/H3",
 	.detect = chip_detect,
@@ -1172,4 +1180,5 @@ struct chip_t h2_h3 = {
 	.ddr = chip_ddr,
 	.spi_init = chip_spi_init,
 	.spi_run = chip_spi_run,
+	.extra = chip_extra,
 };

chips/h5.c

@@ -37,6 +37,11 @@ static int chip_spi_run(struct xfel_ctx_t * ctx, uint8_t * cbuf, uint32_t clen)
 	return 0;
 }
 
+static int chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
+{
+	return 0;
+}
+
 struct chip_t h5 = {
 	.name = "H5",
 	.detect = chip_detect,
@@ -46,4 +51,5 @@ struct chip_t h5 = {
 	.ddr = chip_ddr,
 	.spi_init = chip_spi_init,
 	.spi_run = chip_spi_run,
+	.extra = chip_extra,
 };

chips/h6.c

@@ -37,6 +37,11 @@ static int chip_spi_run(struct xfel_ctx_t * ctx, uint8_t * cbuf, uint32_t clen)
 	return 0;
 }
 
+static int chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
+{
+	return 0;
+}
+
 struct chip_t h6 = {
 	.name = "H6",
 	.detect = chip_detect,
@@ -46,4 +51,5 @@ struct chip_t h6 = {
 	.ddr = chip_ddr,
 	.spi_init = chip_spi_init,
 	.spi_run = chip_spi_run,
+	.extra = chip_extra,
 };

chips/r328.c

@@ -12,14 +12,32 @@ static int chip_reset(struct xfel_ctx_t * ctx)
 	return 0;
 }
 
+static uint32_t payload_arm_read32(struct xfel_ctx_t * ctx, uint32_t addr)
+{
+	uint32_t payload[] = {
+		cpu_to_le32(0xe59f000c), /* ldr r0, [pc, #12] */
+		cpu_to_le32(0xe28f100c), /* add r1, pc, #12   */
+		cpu_to_le32(0xe4902000), /* ldr r2, [r0], #0  */
+		cpu_to_le32(0xe4812000), /* str r2, [r1], #0  */
+		cpu_to_le32(0xe12fff1e), /* bx lr             */
+		cpu_to_le32(addr),
+	};
+	uint32_t val;
+
+	fel_write(ctx, ctx->version.scratchpad, (void *)payload, sizeof(payload));
+	fel_exec(ctx, ctx->version.scratchpad);
+	fel_read(ctx, ctx->version.scratchpad + sizeof(payload), (void *)&val, sizeof(val));
+	return le32_to_cpu(val);
+}
+
 static int chip_sid(struct xfel_ctx_t * ctx, char * sid)
 {
 	uint32_t id[4];
 
-	id[0] = R32(0x03006200 + 0x0);
-	id[1] = R32(0x03006200 + 0x4);
-	id[2] = R32(0x03006200 + 0x8);
-	id[3] = R32(0x03006200 + 0xc);
+	id[0] = payload_arm_read32(ctx, 0x03006200 + 0x0);
+	id[1] = payload_arm_read32(ctx, 0x03006200 + 0x4);
+	id[2] = payload_arm_read32(ctx, 0x03006200 + 0x8);
+	id[3] = payload_arm_read32(ctx, 0x03006200 + 0xc);
 	sprintf(sid, "%08x%08x%08x%08x", id[0], id[1], id[2], id[3]);
 	return 1;
 }
@@ -44,6 +62,11 @@ static int chip_spi_run(struct xfel_ctx_t * ctx, uint8_t * cbuf, uint32_t clen)
 	return 0;
 }
 
+static int chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
+{
+	return 0;
+}
+
 struct chip_t r328 = {
 	.name = "R328",
 	.detect = chip_detect,
@@ -53,4 +76,5 @@ struct chip_t r328 = {
 	.ddr = chip_ddr,
 	.spi_init = chip_spi_init,
 	.spi_run = chip_spi_run,
+	.extra = chip_extra,
 };

chips/r329.c

@@ -37,6 +37,11 @@ static int chip_spi_run(struct xfel_ctx_t * ctx, uint8_t * cbuf, uint32_t clen)
 	return 0;
 }
 
+static int chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
+{
+	return 0;
+}
+
 struct chip_t r329 = {
 	.name = "R329",
 	.detect = chip_detect,
@@ -46,4 +51,5 @@ struct chip_t r329 = {
 	.ddr = chip_ddr,
 	.spi_init = chip_spi_init,
 	.spi_run = chip_spi_run,
+	.extra = chip_extra,
 };

chips/r818.c

@@ -0,0 +1,55 @@
+#include <fel.h>
+
+static int chip_detect(struct xfel_ctx_t * ctx, uint32_t id)
+{
+	if(id == 0x00185500)
+		return 1;
+	return 0;
+}
+
+static int chip_reset(struct xfel_ctx_t * ctx)
+{
+	return 0;
+}
+
+static int chip_sid(struct xfel_ctx_t * ctx, char * sid)
+{
+	return 0;
+}
+
+static int chip_jtag(struct xfel_ctx_t * ctx)
+{
+	return 0;
+}
+
+static int chip_ddr(struct xfel_ctx_t * ctx, const char * type)
+{
+	return 0;
+}
+
+static int chip_spi_init(struct xfel_ctx_t * ctx, uint32_t * swapbuf, uint32_t * swaplen, uint32_t * cmdlen)
+{
+	return 0;
+}
+
+static int chip_spi_run(struct xfel_ctx_t * ctx, uint8_t * cbuf, uint32_t clen)
+{
+	return 0;
+}
+
+static int chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
+{
+	return 0;
+}
+
+struct chip_t r818 = {
+	.name = "R818",
+	.detect = chip_detect,
+	.reset = chip_reset,
+	.sid = chip_sid,
+	.jtag = chip_jtag,
+	.ddr = chip_ddr,
+	.spi_init = chip_spi_init,
+	.spi_run = chip_spi_run,
+	.extra = chip_extra,
+};

chips/t536.c

@@ -0,0 +1,55 @@
+#include <fel.h>
+
+static int chip_detect(struct xfel_ctx_t * ctx, uint32_t id)
+{
+	if(id == 0x00191200)
+		return 1;
+	return 0;
+}
+
+static int chip_reset(struct xfel_ctx_t * ctx)
+{
+	return 0;
+}
+
+static int chip_sid(struct xfel_ctx_t * ctx, char * sid)
+{
+	return 0;
+}
+
+static int chip_jtag(struct xfel_ctx_t * ctx)
+{
+	return 0;
+}
+
+static int chip_ddr(struct xfel_ctx_t * ctx, const char * type)
+{
+	return 0;
+}
+
+static int chip_spi_init(struct xfel_ctx_t * ctx, uint32_t * swapbuf, uint32_t * swaplen, uint32_t * cmdlen)
+{
+	return 0;
+}
+
+static int chip_spi_run(struct xfel_ctx_t * ctx, uint8_t * cbuf, uint32_t clen)
+{
+	return 0;
+}
+
+static int chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
+{
+	return 0;
+}
+
+struct chip_t t536 = {
+	.name = "T536/MR536",
+	.detect = chip_detect,
+	.reset = chip_reset,
+	.sid = chip_sid,
+	.jtag = chip_jtag,
+	.ddr = chip_ddr,
+	.spi_init = chip_spi_init,
+	.spi_run = chip_spi_run,
+	.extra = chip_extra,
+};

chips/v3s_s3.c

@@ -7,52 +7,62 @@ static int chip_detect(struct xfel_ctx_t * ctx, uint32_t id)
 	return 0;
 }
 
+static uint32_t payload_read32(struct xfel_ctx_t * ctx, uint32_t addr)
+{
+	static const uint8_t payload[] = {
+		0x00, 0x00, 0xa0, 0xe3, 0x17, 0x0f, 0x08, 0xee, 0x15, 0x0f, 0x07, 0xee,
+		0xd5, 0x0f, 0x07, 0xee, 0x9a, 0x0f, 0x07, 0xee, 0x95, 0x0f, 0x07, 0xee,
+		0xff, 0xff, 0xff, 0xea, 0x0c, 0x00, 0x9f, 0xe5, 0x0c, 0x10, 0x8f, 0xe2,
+		0x00, 0x20, 0x90, 0xe5, 0x00, 0x20, 0x81, 0xe5, 0x1e, 0xff, 0x2f, 0xe1,
+	};
+	uint32_t adr = cpu_to_le32(addr);
+	uint32_t val;
+
+	fel_write(ctx, ctx->version.scratchpad, (void *)payload, sizeof(payload));
+	fel_write(ctx, ctx->version.scratchpad + sizeof(payload), (void *)&adr, sizeof(adr));
+	fel_exec(ctx, ctx->version.scratchpad);
+	fel_read(ctx, ctx->version.scratchpad + sizeof(payload) + sizeof(adr), (void *)&val, sizeof(val));
+	return le32_to_cpu(val);
+}
+
+static void payload_write32(struct xfel_ctx_t * ctx, uint32_t addr, uint32_t val)
+{
+	static const uint8_t payload[] = {
+		0x00, 0x00, 0xa0, 0xe3, 0x17, 0x0f, 0x08, 0xee, 0x15, 0x0f, 0x07, 0xee,
+		0xd5, 0x0f, 0x07, 0xee, 0x9a, 0x0f, 0x07, 0xee, 0x95, 0x0f, 0x07, 0xee,
+		0xff, 0xff, 0xff, 0xea, 0x08, 0x00, 0x9f, 0xe5, 0x08, 0x10, 0x9f, 0xe5,
+		0x00, 0x10, 0x80, 0xe5, 0x1e, 0xff, 0x2f, 0xe1,
+	};
+	uint32_t params[2] = {
+		cpu_to_le32(addr),
+		cpu_to_le32(val),
+	};
+
+	fel_write(ctx, ctx->version.scratchpad, (void *)payload, sizeof(payload));
+	fel_write(ctx, ctx->version.scratchpad + sizeof(payload), (void *)params, sizeof(params));
+	fel_exec(ctx, ctx->version.scratchpad);
+}
+
 static int chip_reset(struct xfel_ctx_t * ctx)
 {
 	uint32_t val;
 
-	val = R32(0x01c20ca0 + 0x18);
+	val = payload_read32(ctx, 0x01c20ca0 + 0x18);
 	val &= ~(0xf << 4);
 	val |= (1 << 4) | (0x1 << 0);
-	W32(0x01c20ca0 + 0x18, val);
-	W32(0x01c20ca0 + 0x10, (0xa57 << 1) | (1 << 0));
+	payload_write32(ctx, 0x01c20ca0 + 0x18, val);
+	payload_write32(ctx, 0x01c20ca0 + 0x10, (0xa57 << 1) | (1 << 0));
 	return 1;
 }
 
-static uint32_t fel_read32_fixed(struct xfel_ctx_t * ctx, uint32_t addr)
-{
-	uint32_t payload[] = {
-		cpu_to_le32(0xe59f0020),		/* ldr r0, [pc, #32] ; ldr r0,[read_addr]  */
-		cpu_to_le32(0xe28f1024),		/* add r1, pc, #36   ; adr r1, read_data   */
-		cpu_to_le32(0xe59f201c),		/* ldr r2, [pc, #28] ; ldr r2,[read_count] */
-		cpu_to_le32(0xe3520000 + 208),	/* cmp r2, #208 */
-		cpu_to_le32(0xc3a02000 + 208),	/* movgt r2, #208 */
-		/* read_loop: */
-		cpu_to_le32(0xe2522001),		/* subs r2, r2, #1   ; r2 -= 1             */
-		cpu_to_le32(0x412fff1e),		/* bxmi lr           ; return if (r2 < 0)  */
-		cpu_to_le32(0xe4903004),		/* ldr r3, [r0], #4  ; load and post-inc   */
-		cpu_to_le32(0xe4813004),		/* str r3, [r1], #4  ; store and post-inc  */
-		cpu_to_le32(0xeafffffa),		/* b read_loop                             */
-		cpu_to_le32(addr),				/* read_addr */
-		cpu_to_le32(0x1)				/* read_count */
-		/* read_data values go here */
-	};
-	uint32_t val;
-
-	fel_write(ctx, ctx->version.scratchpad, (void *)payload, sizeof(payload));
-	fel_exec(ctx, ctx->version.scratchpad);
-	fel_read(ctx, ctx->version.scratchpad + sizeof(payload), (void *)&val, sizeof(val));
-	return le32_to_cpu(val);
-}
-
 static int chip_sid(struct xfel_ctx_t * ctx, char * sid)
 {
 	uint32_t id[4];
 
-	id[0] = fel_read32_fixed(ctx, 0x01c23800 + 0x0);
-	id[1] = fel_read32_fixed(ctx, 0x01c23800 + 0x4);
-	id[2] = fel_read32_fixed(ctx, 0x01c23800 + 0x8);
-	id[3] = fel_read32_fixed(ctx, 0x01c23800 + 0xc);
+	id[0] = payload_read32(ctx, 0x01c23800 + 0x0);
+	id[1] = payload_read32(ctx, 0x01c23800 + 0x4);
+	id[2] = payload_read32(ctx, 0x01c23800 + 0x8);
+	id[3] = payload_read32(ctx, 0x01c23800 + 0xc);
 	sprintf(sid, "%08x%08x%08x%08x", id[0], id[1], id[2], id[3]);
 	return 1;
 }
@@ -967,8 +977,9 @@ static int chip_ddr(struct xfel_ctx_t * ctx, const char * type)
 			return 1;
 		}
 	}
-	printf("xfel ddr v3s - Initial v3s ddr controller\r\n");
-	printf("xfel ddr s3  - Initial s3 ddr controller\r\n");
+	printf("usage:\r\n");
+	printf("    xfel ddr v3s - Initial v3s ddr controller\r\n");
+	printf("    xfel ddr s3  - Initial s3 ddr controller\r\n");
 	return 0;
 }
 
@@ -981,47 +992,49 @@ static int chip_spi_init(struct xfel_ctx_t * ctx, uint32_t * swapbuf, uint32_t *
 		0x04, 0xe0, 0x80, 0xe5, 0x00, 0xe0, 0x0f, 0xe1, 0x08, 0xe0, 0x80, 0xe5,
 		0x10, 0xef, 0x11, 0xee, 0x0c, 0xe0, 0x80, 0xe5, 0x10, 0xef, 0x1c, 0xee,
 		0x10, 0xe0, 0x80, 0xe5, 0x10, 0xef, 0x11, 0xee, 0x14, 0xe0, 0x80, 0xe5,
-		0x09, 0x0a, 0xa0, 0xe3, 0x76, 0x00, 0x00, 0xeb, 0x40, 0x00, 0xa0, 0xe3,
+		0x09, 0x0a, 0xa0, 0xe3, 0x7c, 0x00, 0x00, 0xeb, 0x40, 0x00, 0xa0, 0xe3,
 		0x00, 0xd0, 0x90, 0xe5, 0x04, 0xe0, 0x90, 0xe5, 0x14, 0x10, 0x90, 0xe5,
 		0x10, 0x1f, 0x01, 0xee, 0x10, 0x10, 0x90, 0xe5, 0x10, 0x1f, 0x0c, 0xee,
 		0x0c, 0x10, 0x90, 0xe5, 0x10, 0x1f, 0x01, 0xee, 0x08, 0x10, 0x90, 0xe5,
 		0x01, 0xf0, 0x29, 0xe1, 0x1e, 0xff, 0x2f, 0xe1, 0xf0, 0x40, 0x2d, 0xe9,
-		0x00, 0x50, 0x51, 0xe2, 0xf0, 0x80, 0xbd, 0x08, 0x02, 0xe9, 0xa0, 0xe3,
-		0x82, 0x6c, 0xa0, 0xe3, 0xc6, 0xe1, 0x40, 0xe3, 0x83, 0x4c, 0xa0, 0xe3,
+		0x00, 0x50, 0x51, 0xe2, 0xf0, 0x80, 0xbd, 0x08, 0x02, 0x19, 0xa0, 0xe3,
+		0x82, 0x6c, 0xa0, 0xe3, 0xc6, 0x11, 0x40, 0xe3, 0x83, 0x4c, 0xa0, 0xe3,
 		0xc6, 0x61, 0x40, 0xe3, 0x00, 0x70, 0xe0, 0xe3, 0xc6, 0x41, 0x40, 0xe3,
-		0x40, 0x00, 0x55, 0xe3, 0x00, 0x30, 0xa0, 0xe3, 0x07, 0x10, 0xa0, 0xe1,
-		0x05, 0x20, 0xa0, 0x31, 0x40, 0x20, 0xa0, 0x23, 0x30, 0x20, 0x8e, 0xe5,
-		0x34, 0x20, 0x8e, 0xe5, 0x38, 0x20, 0x8e, 0xe5, 0x00, 0x10, 0xc6, 0xe5,
+		0x40, 0x00, 0x55, 0xe3, 0x00, 0x30, 0xa0, 0xe3, 0x07, 0xc0, 0xa0, 0xe1,
+		0x05, 0x20, 0xa0, 0x31, 0x40, 0x20, 0xa0, 0x23, 0x30, 0x20, 0x81, 0xe5,
+		0x34, 0x20, 0x81, 0xe5, 0x38, 0x20, 0x81, 0xe5, 0x00, 0xc0, 0xc6, 0xe5,
 		0x01, 0x30, 0x83, 0xe2, 0x03, 0x00, 0x52, 0xe1, 0xfb, 0xff, 0xff, 0xca,
-		0x08, 0x30, 0x9e, 0xe5, 0x02, 0x31, 0x83, 0xe3, 0x08, 0x30, 0x8e, 0xe5,
-		0x1c, 0x30, 0x9e, 0xe5, 0x73, 0x30, 0xef, 0xe6, 0x03, 0x00, 0x52, 0xe1,
-		0xfb, 0xff, 0xff, 0x8a, 0x00, 0x30, 0xa0, 0xe3, 0x00, 0xc0, 0xd4, 0xe5,
-		0x00, 0x00, 0x50, 0xe3, 0x00, 0x10, 0xa0, 0xe1, 0x01, 0x30, 0x83, 0xe2,
-		0x7c, 0xc0, 0xef, 0xe6, 0x06, 0x00, 0x00, 0x0a, 0x03, 0x00, 0x52, 0xe1,
-		0x01, 0xc0, 0xc1, 0xe4, 0x01, 0x00, 0xa0, 0xe1, 0xf5, 0xff, 0xff, 0xca,
-		0x02, 0x50, 0x55, 0xe0, 0xdf, 0xff, 0xff, 0x1a, 0xf0, 0x80, 0xbd, 0xe8,
-		0x03, 0x00, 0x52, 0xe1, 0x01, 0x10, 0x83, 0xe2, 0x02, 0x30, 0x83, 0xe2,
-		0xf8, 0xff, 0xff, 0xda, 0x01, 0x00, 0x52, 0xe1, 0x00, 0x10, 0xd4, 0xe5,
-		0xf5, 0xff, 0xff, 0xda, 0x03, 0x00, 0x52, 0xe1, 0x00, 0x10, 0xd4, 0xe5,
-		0x01, 0x10, 0x83, 0xe2, 0x02, 0x30, 0x83, 0xe2, 0xf7, 0xff, 0xff, 0xca,
-		0x02, 0x50, 0x55, 0xe0, 0xd0, 0xff, 0xff, 0x1a, 0xf0, 0x80, 0xbd, 0xe8,
+		0x08, 0x30, 0x91, 0xe5, 0x02, 0x31, 0x83, 0xe3, 0x08, 0x30, 0x81, 0xe5,
+		0x08, 0x30, 0x91, 0xe5, 0x00, 0x00, 0x53, 0xe3, 0xfc, 0xff, 0xff, 0xba,
+		0x1c, 0x30, 0x91, 0xe5, 0x73, 0x30, 0xef, 0xe6, 0x03, 0x00, 0x52, 0xe1,
+		0xfb, 0xff, 0xff, 0x8a, 0x00, 0x30, 0xa0, 0xe3, 0x00, 0xe0, 0xd4, 0xe5,
+		0x00, 0x00, 0x50, 0xe3, 0x00, 0xc0, 0xa0, 0xe1, 0x01, 0x30, 0x83, 0xe2,
+		0x7e, 0xe0, 0xef, 0xe6, 0x06, 0x00, 0x00, 0x0a, 0x03, 0x00, 0x52, 0xe1,
+		0x01, 0xe0, 0xcc, 0xe4, 0x0c, 0x00, 0xa0, 0xe1, 0xf5, 0xff, 0xff, 0xca,
+		0x02, 0x50, 0x55, 0xe0, 0xdc, 0xff, 0xff, 0x1a, 0xf0, 0x80, 0xbd, 0xe8,
+		0x03, 0x00, 0x52, 0xe1, 0x01, 0xc0, 0x83, 0xe2, 0x02, 0x30, 0x83, 0xe2,
+		0xf8, 0xff, 0xff, 0xda, 0x0c, 0x00, 0x52, 0xe1, 0x00, 0xc0, 0xd4, 0xe5,
+		0xf5, 0xff, 0xff, 0xda, 0x03, 0x00, 0x52, 0xe1, 0x00, 0xc0, 0xd4, 0xe5,
+		0x01, 0xc0, 0x83, 0xe2, 0x02, 0x30, 0x83, 0xe2, 0xf7, 0xff, 0xff, 0xca,
+		0x02, 0x50, 0x55, 0xe0, 0xcd, 0xff, 0xff, 0x1a, 0xf0, 0x80, 0xbd, 0xe8,
 		0xf0, 0x40, 0x2d, 0xe9, 0x00, 0x60, 0x51, 0xe2, 0xf0, 0x80, 0xbd, 0x08,
 		0x02, 0x19, 0xa0, 0xe3, 0x82, 0x5c, 0xa0, 0xe3, 0xc6, 0x11, 0x40, 0xe3,
 		0x83, 0x4c, 0xa0, 0xe3, 0xc6, 0x51, 0x40, 0xe3, 0x00, 0x70, 0xe0, 0xe3,
 		0xc6, 0x41, 0x40, 0xe3, 0x40, 0x00, 0x56, 0xe3, 0x06, 0x20, 0xa0, 0x31,
 		0x40, 0x20, 0xa0, 0x23, 0x30, 0x20, 0x81, 0xe5, 0x00, 0x00, 0x50, 0xe3,
-		0x34, 0x20, 0x81, 0xe5, 0x38, 0x20, 0x81, 0xe5, 0x17, 0x00, 0x00, 0x0a,
+		0x34, 0x20, 0x81, 0xe5, 0x38, 0x20, 0x81, 0xe5, 0x1a, 0x00, 0x00, 0x0a,
 		0x00, 0xc0, 0xa0, 0xe1, 0x00, 0x30, 0xa0, 0xe3, 0x01, 0xe0, 0xdc, 0xe4,
 		0x01, 0x30, 0x83, 0xe2, 0x03, 0x00, 0x52, 0xe1, 0x00, 0xe0, 0xc5, 0xe5,
 		0xfa, 0xff, 0xff, 0xca, 0x08, 0x30, 0x91, 0xe5, 0x02, 0x31, 0x83, 0xe3,
-		0x08, 0x30, 0x81, 0xe5, 0x1c, 0x30, 0x91, 0xe5, 0x73, 0x30, 0xef, 0xe6,
+		0x08, 0x30, 0x81, 0xe5, 0x08, 0x30, 0x91, 0xe5, 0x00, 0x00, 0x53, 0xe3,
+		0xfc, 0xff, 0xff, 0xba, 0x1c, 0x30, 0x91, 0xe5, 0x73, 0x30, 0xef, 0xe6,
 		0x03, 0x00, 0x52, 0xe1, 0xfb, 0xff, 0xff, 0x8a, 0x00, 0x30, 0xa0, 0xe3,
 		0x00, 0xc0, 0xd4, 0xe5, 0x01, 0x30, 0x83, 0xe2, 0x03, 0x00, 0x52, 0xe1,
 		0xfb, 0xff, 0xff, 0xca, 0x00, 0x00, 0x50, 0xe3, 0x02, 0x00, 0x80, 0x10,
-		0x02, 0x60, 0x56, 0xe0, 0xe0, 0xff, 0xff, 0x1a, 0xf0, 0x80, 0xbd, 0xe8,
+		0x02, 0x60, 0x56, 0xe0, 0xdd, 0xff, 0xff, 0x1a, 0xf0, 0x80, 0xbd, 0xe8,
 		0x00, 0x30, 0xa0, 0xe1, 0x07, 0xc0, 0xa0, 0xe1, 0x00, 0xc0, 0xc5, 0xe5,
 		0x01, 0x30, 0x83, 0xe2, 0x03, 0x00, 0x52, 0xe1, 0xfb, 0xff, 0xff, 0xca,
-		0xe7, 0xff, 0xff, 0xea, 0xf0, 0x43, 0x2d, 0xe9, 0x0f, 0x80, 0x0c, 0xe3,
+		0xe4, 0xff, 0xff, 0xea, 0xf0, 0x43, 0x2d, 0xe9, 0x0f, 0x80, 0x0c, 0xe3,
 		0xff, 0x8f, 0x4f, 0xe3, 0x02, 0x69, 0xa0, 0xe3, 0xc6, 0x61, 0x40, 0xe3,
 		0x00, 0x40, 0xa0, 0xe3, 0xc2, 0x41, 0x40, 0xe3, 0x14, 0xd0, 0x4d, 0xe2,
 		0x00, 0x70, 0xa0, 0xe1, 0x07, 0x50, 0xa0, 0xe1, 0x01, 0x30, 0xd5, 0xe4,
@@ -1032,8 +1045,8 @@ static int chip_spi_init(struct xfel_ctx_t * ctx, uint32_t * swapbuf, uint32_t *
 		0x07, 0x00, 0x53, 0xe3, 0x7d, 0x00, 0x00, 0x0a, 0x08, 0x00, 0x53, 0xe3,
 		0x8a, 0x00, 0x00, 0x1a, 0xb0, 0x80, 0xcd, 0xe1, 0x0d, 0x90, 0xa0, 0xe1,
 		0x08, 0x70, 0x8d, 0xe2, 0x02, 0x10, 0xa0, 0xe3, 0x09, 0x00, 0xa0, 0xe1,
-		0xad, 0xff, 0xff, 0xeb, 0x01, 0x10, 0xa0, 0xe3, 0x07, 0x00, 0xa0, 0xe1,
-		0x70, 0xff, 0xff, 0xeb, 0x08, 0x30, 0xdd, 0xe5, 0x01, 0x00, 0x13, 0xe3,
+		0xaa, 0xff, 0xff, 0xeb, 0x01, 0x10, 0xa0, 0xe3, 0x07, 0x00, 0xa0, 0xe1,
+		0x6a, 0xff, 0xff, 0xeb, 0x08, 0x30, 0xdd, 0xe5, 0x01, 0x00, 0x13, 0xe3,
 		0xf6, 0xff, 0xff, 0x1a, 0x05, 0x70, 0xa0, 0xe1, 0x07, 0x50, 0xa0, 0xe1,
 		0x01, 0x30, 0xd5, 0xe4, 0x01, 0x00, 0x53, 0xe3, 0xe0, 0xff, 0xff, 0x1a,
 		0x48, 0x38, 0x94, 0xe5, 0x01, 0x2a, 0xa0, 0xe3, 0x0f, 0x30, 0xc3, 0xe3,
@@ -1059,43 +1072,43 @@ static int chip_spi_init(struct xfel_ctx_t * ctx, uint32_t * swapbuf, uint32_t *
 		0x08, 0x30, 0x96, 0xe5, 0x05, 0x70, 0xa0, 0xe1, 0xb0, 0x30, 0xc3, 0xe3,
 		0x80, 0x30, 0x83, 0xe3, 0x08, 0x30, 0x86, 0xe5, 0x9a, 0xff, 0xff, 0xea,
 		0x01, 0x90, 0xd7, 0xe5, 0x02, 0x00, 0x87, 0xe2, 0x09, 0x10, 0xa0, 0xe1,
-		0x01, 0x70, 0x89, 0xe2, 0x07, 0x70, 0x85, 0xe0, 0x5a, 0xff, 0xff, 0xeb,
+		0x01, 0x70, 0x89, 0xe2, 0x07, 0x70, 0x85, 0xe0, 0x57, 0xff, 0xff, 0xeb,
 		0x93, 0xff, 0xff, 0xea, 0x06, 0x10, 0xd7, 0xe5, 0x09, 0x70, 0x87, 0xe2,
 		0x07, 0x00, 0x57, 0xe5, 0x04, 0x20, 0x57, 0xe5, 0x08, 0x30, 0x57, 0xe5,
 		0x02, 0xe0, 0x57, 0xe5, 0x06, 0xc0, 0x57, 0xe5, 0x01, 0x24, 0x82, 0xe1,
 		0x00, 0x34, 0x83, 0xe1, 0x01, 0x10, 0x57, 0xe5, 0x05, 0x00, 0x57, 0xe5,
 		0x0e, 0x28, 0x82, 0xe1, 0x0c, 0x38, 0x83, 0xe1, 0x01, 0x1c, 0x82, 0xe1,
-		0x00, 0x0c, 0x83, 0xe1, 0x49, 0xff, 0xff, 0xeb, 0x82, 0xff, 0xff, 0xea,
+		0x00, 0x0c, 0x83, 0xe1, 0x46, 0xff, 0xff, 0xeb, 0x82, 0xff, 0xff, 0xea,
 		0x06, 0x10, 0xd7, 0xe5, 0x09, 0x70, 0x87, 0xe2, 0x07, 0x00, 0x57, 0xe5,
 		0x04, 0x20, 0x57, 0xe5, 0x08, 0x30, 0x57, 0xe5, 0x02, 0xe0, 0x57, 0xe5,
 		0x06, 0xc0, 0x57, 0xe5, 0x01, 0x24, 0x82, 0xe1, 0x00, 0x34, 0x83, 0xe1,
 		0x01, 0x10, 0x57, 0xe5, 0x05, 0x00, 0x57, 0xe5, 0x0e, 0x28, 0x82, 0xe1,
 		0x0c, 0x38, 0x83, 0xe1, 0x01, 0x1c, 0x82, 0xe1, 0x00, 0x0c, 0x83, 0xe1,
-		0xfe, 0xfe, 0xff, 0xeb, 0x71, 0xff, 0xff, 0xea, 0x0d, 0x90, 0xa0, 0xe1,
+		0xf8, 0xfe, 0xff, 0xeb, 0x71, 0xff, 0xff, 0xea, 0x0d, 0x90, 0xa0, 0xe1,
 		0x08, 0x70, 0x8d, 0xe2, 0x05, 0x30, 0xa0, 0xe3, 0x00, 0x30, 0xcd, 0xe5,
-		0x01, 0x10, 0xa0, 0xe3, 0x09, 0x00, 0xa0, 0xe1, 0x30, 0xff, 0xff, 0xeb,
-		0x01, 0x10, 0xa0, 0xe3, 0x07, 0x00, 0xa0, 0xe1, 0xf3, 0xfe, 0xff, 0xeb,
+		0x01, 0x10, 0xa0, 0xe3, 0x09, 0x00, 0xa0, 0xe1, 0x2d, 0xff, 0xff, 0xeb,
+		0x01, 0x10, 0xa0, 0xe3, 0x07, 0x00, 0xa0, 0xe1, 0xed, 0xfe, 0xff, 0xeb,
 		0x08, 0x30, 0xdd, 0xe5, 0x01, 0x00, 0x13, 0xe3, 0xf6, 0xff, 0xff, 0x1a,
 		0x05, 0x70, 0xa0, 0xe1, 0x81, 0xff, 0xff, 0xea, 0x14, 0xd0, 0x8d, 0xe2,
 		0xf0, 0x83, 0xbd, 0xe8, 0x04, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00,
-		0x03, 0x00, 0x00, 0x00, 0x47, 0x4e, 0x55, 0x00, 0xa5, 0x20, 0xc7, 0xeb,
-		0xa1, 0x10, 0x58, 0x97, 0xad, 0xa8, 0xd2, 0x63, 0x9e, 0xe3, 0x9c, 0x98,
-		0x21, 0x5c, 0x23, 0x45, 0x2f, 0x6c, 0x69, 0x62, 0x2f, 0x6c, 0x64, 0x2d,
+		0x03, 0x00, 0x00, 0x00, 0x47, 0x4e, 0x55, 0x00, 0x1d, 0x30, 0x49, 0x7e,
+		0xc1, 0xa7, 0xed, 0x9e, 0x86, 0x26, 0xb6, 0x2d, 0x72, 0x23, 0xfe, 0x65,
+		0x09, 0x25, 0x9d, 0xb7, 0x2f, 0x6c, 0x69, 0x62, 0x2f, 0x6c, 0x64, 0x2d,
 		0x6c, 0x69, 0x6e, 0x75, 0x78, 0x2d, 0x61, 0x72, 0x6d, 0x68, 0x66, 0x2e,
 		0x73, 0x6f, 0x2e, 0x33, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
 		0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-		0x00, 0x00, 0x00, 0x00, 0xf5, 0xfe, 0xff, 0x6f, 0x20, 0x85, 0x00, 0x00,
-		0x05, 0x00, 0x00, 0x00, 0x1c, 0x85, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00,
-		0x0c, 0x85, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+		0x00, 0x00, 0x00, 0x00, 0xf5, 0xfe, 0xff, 0x6f, 0x38, 0x85, 0x00, 0x00,
+		0x05, 0x00, 0x00, 0x00, 0x34, 0x85, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00,
+		0x24, 0x85, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
 		0x0b, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x15, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00,
 		0xfb, 0xff, 0xff, 0x6f, 0x01, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x85, 0x00, 0x00,
+		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x85, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
 	};
 	fel_write(ctx, 0x00008000, (void *)&payload[0], sizeof(payload));
@@ -1115,6 +1128,52 @@ static int chip_spi_run(struct xfel_ctx_t * ctx, uint8_t * cbuf, uint32_t clen)
 	return 1;
 }
 
+static const struct sid_section_t {
+	char * name;
+	uint32_t offset;
+	uint32_t size_bits;
+} sids[] = {
+	{ "chipid",  0x0000,  128 },
+	{ "unknown", 0x0010, 1920 },
+};
+
+static int chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
+{
+	if(argc > 0)
+	{
+		if(!strcmp(argv[0], "efuse"))
+		{
+			argc -= 1;
+			argv += 1;
+			if(argc > 0)
+			{
+				if(!strcmp(argv[0], "dump") && (argc == 1))
+				{
+					uint32_t buffer[2048 / 4];
+					for(int n = 0; n < ARRAY_SIZE(sids); n++)
+					{
+						uint32_t count = sids[n].size_bits / 32;
+						for(int i = 0; i < count; i++)
+							buffer[i] = payload_read32(ctx, 0x01c23800 + sids[n].offset + i * 4);
+						printf("%s:(0x%04x %d-bits)", sids[n].name, sids[n].offset, sids[n].size_bits);
+						for(int i = 0; i < count; i++)
+						{
+							if(i >= 0 && ((i % 8) == 0))
+								printf("\r\n%-4s", "");
+							printf("%08x ", buffer[i]);
+						}
+						printf("\r\n");
+					}
+					return 1;
+				}
+			}
+		}
+	}
+	printf("usage:\r\n");
+	printf("    xfel extra efuse dump - Dump all of the efuse information\r\n");
+	return 0;
+}
+
 struct chip_t v3s_s3 = {
 	.name = "V3S/S3",
 	.detect = chip_detect,
@@ -1124,4 +1183,5 @@ struct chip_t v3s_s3 = {
 	.ddr = chip_ddr,
 	.spi_init = chip_spi_init,
 	.spi_run = chip_spi_run,
+	.extra = chip_extra,
 };

chips/v536.c

@@ -37,6 +37,11 @@ static int chip_spi_run(struct xfel_ctx_t * ctx, uint8_t * cbuf, uint32_t clen)
 	return 0;
 }
 
+static int chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
+{
+	return 0;
+}
+
 struct chip_t v536 = {
 	.name = "V536",
 	.detect = chip_detect,
@@ -46,4 +51,5 @@ struct chip_t v536 = {
 	.ddr = chip_ddr,
 	.spi_init = chip_spi_init,
 	.spi_run = chip_spi_run,
+	.extra = chip_extra,
 };

chips/v831.c

@@ -7,15 +7,51 @@ static int chip_detect(struct xfel_ctx_t * ctx, uint32_t id)
 	return 0;
 }
 
+static uint32_t payload_read32(struct xfel_ctx_t * ctx, uint32_t addr)
+{
+	static const uint8_t payload[] = {
+		0x00, 0x00, 0xa0, 0xe3, 0x17, 0x0f, 0x08, 0xee, 0x15, 0x0f, 0x07, 0xee,
+		0xd5, 0x0f, 0x07, 0xee, 0x9a, 0x0f, 0x07, 0xee, 0x95, 0x0f, 0x07, 0xee,
+		0xff, 0xff, 0xff, 0xea, 0x0c, 0x00, 0x9f, 0xe5, 0x0c, 0x10, 0x8f, 0xe2,
+		0x00, 0x20, 0x90, 0xe5, 0x00, 0x20, 0x81, 0xe5, 0x1e, 0xff, 0x2f, 0xe1,
+	};
+	uint32_t adr = cpu_to_le32(addr);
+	uint32_t val;
+
+	fel_write(ctx, ctx->version.scratchpad, (void *)payload, sizeof(payload));
+	fel_write(ctx, ctx->version.scratchpad + sizeof(payload), (void *)&adr, sizeof(adr));
+	fel_exec(ctx, ctx->version.scratchpad);
+	fel_read(ctx, ctx->version.scratchpad + sizeof(payload) + sizeof(adr), (void *)&val, sizeof(val));
+	return le32_to_cpu(val);
+}
+
+static void payload_write32(struct xfel_ctx_t * ctx, uint32_t addr, uint32_t val)
+{
+	static const uint8_t payload[] = {
+		0x00, 0x00, 0xa0, 0xe3, 0x17, 0x0f, 0x08, 0xee, 0x15, 0x0f, 0x07, 0xee,
+		0xd5, 0x0f, 0x07, 0xee, 0x9a, 0x0f, 0x07, 0xee, 0x95, 0x0f, 0x07, 0xee,
+		0xff, 0xff, 0xff, 0xea, 0x08, 0x00, 0x9f, 0xe5, 0x08, 0x10, 0x9f, 0xe5,
+		0x00, 0x10, 0x80, 0xe5, 0x1e, 0xff, 0x2f, 0xe1,
+	};
+	uint32_t params[2] = {
+		cpu_to_le32(addr),
+		cpu_to_le32(val),
+	};
+
+	fel_write(ctx, ctx->version.scratchpad, (void *)payload, sizeof(payload));
+	fel_write(ctx, ctx->version.scratchpad + sizeof(payload), (void *)params, sizeof(params));
+	fel_exec(ctx, ctx->version.scratchpad);
+}
+
 static int chip_reset(struct xfel_ctx_t * ctx)
 {
 	uint32_t val;
 
-	val = R32(0x030090a0 + 0x18);
+	val = payload_read32(ctx, 0x030090a0 + 0x18);
 	val &= ~(0xf << 4);
 	val |= (1 << 4) | (0x1 << 0);
-	W32(0x030090a0 + 0x18, val);
-	W32(0x030090a0 + 0x10, (0xa57 << 1) | (1 << 0));
+	payload_write32(ctx, 0x030090a0 + 0x18, val);
+	payload_write32(ctx, 0x030090a0 + 0x10, (0xa57 << 1) | (1 << 0));
 	return 1;
 }
 
@@ -23,10 +59,10 @@ static int chip_sid(struct xfel_ctx_t * ctx, char * sid)
 {
 	uint32_t id[4];
 
-	id[0] = R32(0x03006200 + 0x0);
-	id[1] = R32(0x03006200 + 0x4);
-	id[2] = R32(0x03006200 + 0x8);
-	id[3] = R32(0x03006200 + 0xc);
+	id[0] = payload_read32(ctx, 0x03006200 + 0x0);
+	id[1] = payload_read32(ctx, 0x03006200 + 0x4);
+	id[2] = payload_read32(ctx, 0x03006200 + 0x8);
+	id[3] = payload_read32(ctx, 0x03006200 + 0xc);
 	sprintf(sid, "%08x%08x%08x%08x", id[0], id[1], id[2], id[3]);
 	return 1;
 }
@@ -34,6 +70,8 @@ static int chip_sid(struct xfel_ctx_t * ctx, char * sid)
 static int chip_jtag(struct xfel_ctx_t * ctx)
 {
 	static const uint8_t payload[] = {
+		0x00, 0x00, 0xa0, 0xe3, 0x17, 0x0f, 0x08, 0xee, 0x15, 0x0f, 0x07, 0xee,
+		0xd5, 0x0f, 0x07, 0xee, 0x9a, 0x0f, 0x07, 0xee, 0x95, 0x0f, 0x07, 0xee,
 		0xff, 0xff, 0xff, 0xea, 0x58, 0x00, 0x9f, 0xe5, 0x00, 0xd0, 0x80, 0xe5,
 		0x04, 0xe0, 0x80, 0xe5, 0x00, 0xe0, 0x0f, 0xe1, 0x08, 0xe0, 0x80, 0xe5,
 		0x10, 0xef, 0x11, 0xee, 0x0c, 0xe0, 0x80, 0xe5, 0x10, 0xef, 0x1c, 0xee,
@@ -50,16 +88,16 @@ static int chip_jtag(struct xfel_ctx_t * ctx)
 		0xb4, 0x20, 0x83, 0xe5, 0xb4, 0x20, 0x93, 0xe5, 0x0f, 0x26, 0xc2, 0xe3,
 		0x03, 0x26, 0x82, 0xe3, 0xb4, 0x20, 0x83, 0xe5, 0x1e, 0xff, 0x2f, 0xe1,
 		0x04, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00,
-		0x47, 0x4e, 0x55, 0x00, 0x90, 0xef, 0xd5, 0xd4, 0xf9, 0x31, 0x90, 0x65,
-		0x03, 0xd6, 0xb2, 0x35, 0x09, 0xe0, 0x16, 0x82, 0x15, 0xe2, 0xb6, 0xcc,
+		0x47, 0x4e, 0x55, 0x00, 0x09, 0xd0, 0xba, 0x36, 0x1c, 0xcc, 0x6b, 0x64,
+		0xc9, 0x91, 0x95, 0xfd, 0x5a, 0xd8, 0x85, 0x3e, 0xe9, 0x1d, 0x1f, 0x00,
 		0x2f, 0x6c, 0x69, 0x62, 0x2f, 0x6c, 0x64, 0x2d, 0x6c, 0x69, 0x6e, 0x75,
 		0x78, 0x2d, 0x61, 0x72, 0x6d, 0x68, 0x66, 0x2e, 0x73, 0x6f, 0x2e, 0x33,
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-		0xf5, 0xfe, 0xff, 0x6f, 0x08, 0x21, 0x02, 0x00, 0x05, 0x00, 0x00, 0x00,
-		0x04, 0x21, 0x02, 0x00, 0x06, 0x00, 0x00, 0x00, 0xf4, 0x20, 0x02, 0x00,
+		0xf5, 0xfe, 0xff, 0x6f, 0x20, 0x21, 0x02, 0x00, 0x05, 0x00, 0x00, 0x00,
+		0x1c, 0x21, 0x02, 0x00, 0x06, 0x00, 0x00, 0x00, 0x0c, 0x21, 0x02, 0x00,
 		0x0a, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00,
 		0x10, 0x00, 0x00, 0x00, 0x15, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		0x1e, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0xfb, 0xff, 0xff, 0x6f,
@@ -67,7 +105,7 @@ static int chip_jtag(struct xfel_ctx_t * ctx)
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-		0x00, 0x00, 0x00, 0x00, 0x20, 0x21, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,
+		0x00, 0x00, 0x00, 0x00, 0x38, 0x21, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00
 	};
 	fel_write(ctx, 0x00022000, (void *)&payload[0], sizeof(payload));
@@ -1199,51 +1237,55 @@ static int chip_ddr(struct xfel_ctx_t * ctx, const char * type)
 static int chip_spi_init(struct xfel_ctx_t * ctx, uint32_t * swapbuf, uint32_t * swaplen, uint32_t * cmdlen)
 {
 	static const uint8_t payload[] = {
+		0x00, 0x00, 0xa0, 0xe3, 0x17, 0x0f, 0x08, 0xee, 0x15, 0x0f, 0x07, 0xee,
+		0xd5, 0x0f, 0x07, 0xee, 0x9a, 0x0f, 0x07, 0xee, 0x95, 0x0f, 0x07, 0xee,
 		0xff, 0xff, 0xff, 0xea, 0x5c, 0x00, 0x9f, 0xe5, 0x00, 0xd0, 0x80, 0xe5,
 		0x04, 0xe0, 0x80, 0xe5, 0x00, 0xe0, 0x0f, 0xe1, 0x08, 0xe0, 0x80, 0xe5,
 		0x10, 0xef, 0x11, 0xee, 0x0c, 0xe0, 0x80, 0xe5, 0x10, 0xef, 0x1c, 0xee,
 		0x10, 0xe0, 0x80, 0xe5, 0x10, 0xef, 0x11, 0xee, 0x14, 0xe0, 0x80, 0xe5,
-		0x23, 0x0a, 0xa0, 0xe3, 0x77, 0x00, 0x00, 0xeb, 0x28, 0x00, 0x9f, 0xe5,
+		0x23, 0x0a, 0xa0, 0xe3, 0x7d, 0x00, 0x00, 0xeb, 0x28, 0x00, 0x9f, 0xe5,
 		0x00, 0xd0, 0x90, 0xe5, 0x04, 0xe0, 0x90, 0xe5, 0x14, 0x10, 0x90, 0xe5,
 		0x10, 0x1f, 0x01, 0xee, 0x10, 0x10, 0x90, 0xe5, 0x10, 0x1f, 0x0c, 0xee,
 		0x0c, 0x10, 0x90, 0xe5, 0x10, 0x1f, 0x01, 0xee, 0x08, 0x10, 0x90, 0xe5,
 		0x01, 0xf0, 0x29, 0xe1, 0x1e, 0xff, 0x2f, 0xe1, 0xf8, 0x7f, 0x03, 0x00,
 		0xf0, 0x40, 0x2d, 0xe9, 0x00, 0x50, 0x51, 0xe2, 0xf0, 0x80, 0xbd, 0x08,
-		0x00, 0xe0, 0xa0, 0xe3, 0x02, 0x6c, 0xa0, 0xe3, 0x01, 0xe5, 0x40, 0xe3,
+		0x00, 0x10, 0xa0, 0xe3, 0x02, 0x6c, 0xa0, 0xe3, 0x01, 0x15, 0x40, 0xe3,
 		0x03, 0x4c, 0xa0, 0xe3, 0x01, 0x65, 0x40, 0xe3, 0x00, 0x70, 0xe0, 0xe3,
 		0x01, 0x45, 0x40, 0xe3, 0x40, 0x00, 0x55, 0xe3, 0x00, 0x30, 0xa0, 0xe3,
-		0x07, 0x10, 0xa0, 0xe1, 0x05, 0x20, 0xa0, 0x31, 0x40, 0x20, 0xa0, 0x23,
-		0x30, 0x20, 0x8e, 0xe5, 0x34, 0x20, 0x8e, 0xe5, 0x38, 0x20, 0x8e, 0xe5,
-		0x00, 0x10, 0xc6, 0xe5, 0x01, 0x30, 0x83, 0xe2, 0x03, 0x00, 0x52, 0xe1,
-		0xfb, 0xff, 0xff, 0xca, 0x08, 0x30, 0x9e, 0xe5, 0x02, 0x31, 0x83, 0xe3,
-		0x08, 0x30, 0x8e, 0xe5, 0x1c, 0x30, 0x9e, 0xe5, 0x73, 0x30, 0xef, 0xe6,
+		0x07, 0xc0, 0xa0, 0xe1, 0x05, 0x20, 0xa0, 0x31, 0x40, 0x20, 0xa0, 0x23,
+		0x30, 0x20, 0x81, 0xe5, 0x34, 0x20, 0x81, 0xe5, 0x38, 0x20, 0x81, 0xe5,
+		0x00, 0xc0, 0xc6, 0xe5, 0x01, 0x30, 0x83, 0xe2, 0x03, 0x00, 0x52, 0xe1,
+		0xfb, 0xff, 0xff, 0xca, 0x08, 0x30, 0x91, 0xe5, 0x02, 0x31, 0x83, 0xe3,
+		0x08, 0x30, 0x81, 0xe5, 0x08, 0x30, 0x91, 0xe5, 0x00, 0x00, 0x53, 0xe3,
+		0xfc, 0xff, 0xff, 0xba, 0x1c, 0x30, 0x91, 0xe5, 0x73, 0x30, 0xef, 0xe6,
 		0x03, 0x00, 0x52, 0xe1, 0xfb, 0xff, 0xff, 0x8a, 0x00, 0x30, 0xa0, 0xe3,
-		0x00, 0xc0, 0xd4, 0xe5, 0x00, 0x00, 0x50, 0xe3, 0x00, 0x10, 0xa0, 0xe1,
-		0x01, 0x30, 0x83, 0xe2, 0x7c, 0xc0, 0xef, 0xe6, 0x06, 0x00, 0x00, 0x0a,
-		0x03, 0x00, 0x52, 0xe1, 0x01, 0xc0, 0xc1, 0xe4, 0x01, 0x00, 0xa0, 0xe1,
-		0xf5, 0xff, 0xff, 0xca, 0x02, 0x50, 0x55, 0xe0, 0xdf, 0xff, 0xff, 0x1a,
-		0xf0, 0x80, 0xbd, 0xe8, 0x03, 0x00, 0x52, 0xe1, 0x01, 0x10, 0x83, 0xe2,
-		0x02, 0x30, 0x83, 0xe2, 0xf8, 0xff, 0xff, 0xda, 0x01, 0x00, 0x52, 0xe1,
-		0x00, 0x10, 0xd4, 0xe5, 0xf5, 0xff, 0xff, 0xda, 0x03, 0x00, 0x52, 0xe1,
-		0x00, 0x10, 0xd4, 0xe5, 0x01, 0x10, 0x83, 0xe2, 0x02, 0x30, 0x83, 0xe2,
-		0xf7, 0xff, 0xff, 0xca, 0x02, 0x50, 0x55, 0xe0, 0xd0, 0xff, 0xff, 0x1a,
+		0x00, 0xe0, 0xd4, 0xe5, 0x00, 0x00, 0x50, 0xe3, 0x00, 0xc0, 0xa0, 0xe1,
+		0x01, 0x30, 0x83, 0xe2, 0x7e, 0xe0, 0xef, 0xe6, 0x06, 0x00, 0x00, 0x0a,
+		0x03, 0x00, 0x52, 0xe1, 0x01, 0xe0, 0xcc, 0xe4, 0x0c, 0x00, 0xa0, 0xe1,
+		0xf5, 0xff, 0xff, 0xca, 0x02, 0x50, 0x55, 0xe0, 0xdc, 0xff, 0xff, 0x1a,
+		0xf0, 0x80, 0xbd, 0xe8, 0x03, 0x00, 0x52, 0xe1, 0x01, 0xc0, 0x83, 0xe2,
+		0x02, 0x30, 0x83, 0xe2, 0xf8, 0xff, 0xff, 0xda, 0x0c, 0x00, 0x52, 0xe1,
+		0x00, 0xc0, 0xd4, 0xe5, 0xf5, 0xff, 0xff, 0xda, 0x03, 0x00, 0x52, 0xe1,
+		0x00, 0xc0, 0xd4, 0xe5, 0x01, 0xc0, 0x83, 0xe2, 0x02, 0x30, 0x83, 0xe2,
+		0xf7, 0xff, 0xff, 0xca, 0x02, 0x50, 0x55, 0xe0, 0xcd, 0xff, 0xff, 0x1a,
 		0xf0, 0x80, 0xbd, 0xe8, 0xf0, 0x40, 0x2d, 0xe9, 0x00, 0x60, 0x51, 0xe2,
 		0xf0, 0x80, 0xbd, 0x08, 0x00, 0x10, 0xa0, 0xe3, 0x02, 0x5c, 0xa0, 0xe3,
 		0x01, 0x15, 0x40, 0xe3, 0x03, 0x4c, 0xa0, 0xe3, 0x01, 0x55, 0x40, 0xe3,
 		0x00, 0x70, 0xe0, 0xe3, 0x01, 0x45, 0x40, 0xe3, 0x40, 0x00, 0x56, 0xe3,
 		0x06, 0x20, 0xa0, 0x31, 0x40, 0x20, 0xa0, 0x23, 0x30, 0x20, 0x81, 0xe5,
 		0x00, 0x00, 0x50, 0xe3, 0x34, 0x20, 0x81, 0xe5, 0x38, 0x20, 0x81, 0xe5,
-		0x17, 0x00, 0x00, 0x0a, 0x00, 0xc0, 0xa0, 0xe1, 0x00, 0x30, 0xa0, 0xe3,
+		0x1a, 0x00, 0x00, 0x0a, 0x00, 0xc0, 0xa0, 0xe1, 0x00, 0x30, 0xa0, 0xe3,
 		0x01, 0xe0, 0xdc, 0xe4, 0x01, 0x30, 0x83, 0xe2, 0x03, 0x00, 0x52, 0xe1,
 		0x00, 0xe0, 0xc5, 0xe5, 0xfa, 0xff, 0xff, 0xca, 0x08, 0x30, 0x91, 0xe5,
-		0x02, 0x31, 0x83, 0xe3, 0x08, 0x30, 0x81, 0xe5, 0x1c, 0x30, 0x91, 0xe5,
+		0x02, 0x31, 0x83, 0xe3, 0x08, 0x30, 0x81, 0xe5, 0x08, 0x30, 0x91, 0xe5,
+		0x00, 0x00, 0x53, 0xe3, 0xfc, 0xff, 0xff, 0xba, 0x1c, 0x30, 0x91, 0xe5,
 		0x73, 0x30, 0xef, 0xe6, 0x03, 0x00, 0x52, 0xe1, 0xfb, 0xff, 0xff, 0x8a,
 		0x00, 0x30, 0xa0, 0xe3, 0x00, 0xc0, 0xd4, 0xe5, 0x01, 0x30, 0x83, 0xe2,
 		0x03, 0x00, 0x52, 0xe1, 0xfb, 0xff, 0xff, 0xca, 0x00, 0x00, 0x50, 0xe3,
-		0x02, 0x00, 0x80, 0x10, 0x02, 0x60, 0x56, 0xe0, 0xe0, 0xff, 0xff, 0x1a,
+		0x02, 0x00, 0x80, 0x10, 0x02, 0x60, 0x56, 0xe0, 0xdd, 0xff, 0xff, 0x1a,
 		0xf0, 0x80, 0xbd, 0xe8, 0x00, 0x30, 0xa0, 0xe1, 0x07, 0xc0, 0xa0, 0xe1,
 		0x00, 0xc0, 0xc5, 0xe5, 0x01, 0x30, 0x83, 0xe2, 0x03, 0x00, 0x52, 0xe1,
-		0xfb, 0xff, 0xff, 0xca, 0xe7, 0xff, 0xff, 0xea, 0xf0, 0x43, 0x2d, 0xe9,
+		0xfb, 0xff, 0xff, 0xca, 0xe4, 0xff, 0xff, 0xea, 0xf0, 0x43, 0x2d, 0xe9,
 		0x0f, 0x80, 0x0c, 0xe3, 0xff, 0x8f, 0x4f, 0xe3, 0x00, 0x50, 0xa0, 0xe3,
 		0x01, 0x55, 0x40, 0xe3, 0x0b, 0x7a, 0xa0, 0xe3, 0x00, 0x73, 0x40, 0xe3,
 		0x14, 0xd0, 0x4d, 0xe2, 0x00, 0x60, 0xa0, 0xe1, 0x06, 0x40, 0xa0, 0xe1,
@@ -1254,8 +1296,8 @@ static int chip_spi_init(struct xfel_ctx_t * ctx, uint32_t * swapbuf, uint32_t *
 		0x70, 0x00, 0x00, 0x0a, 0x07, 0x00, 0x53, 0xe3, 0x7f, 0x00, 0x00, 0x0a,
 		0x08, 0x00, 0x53, 0xe3, 0x8c, 0x00, 0x00, 0x1a, 0xb0, 0x80, 0xcd, 0xe1,
 		0x0d, 0x90, 0xa0, 0xe1, 0x08, 0x60, 0x8d, 0xe2, 0x02, 0x10, 0xa0, 0xe3,
-		0x09, 0x00, 0xa0, 0xe1, 0xad, 0xff, 0xff, 0xeb, 0x01, 0x10, 0xa0, 0xe3,
-		0x06, 0x00, 0xa0, 0xe1, 0x70, 0xff, 0xff, 0xeb, 0x08, 0x30, 0xdd, 0xe5,
+		0x09, 0x00, 0xa0, 0xe1, 0xaa, 0xff, 0xff, 0xeb, 0x01, 0x10, 0xa0, 0xe3,
+		0x06, 0x00, 0xa0, 0xe1, 0x6a, 0xff, 0xff, 0xeb, 0x08, 0x30, 0xdd, 0xe5,
 		0x01, 0x00, 0x13, 0xe3, 0xf6, 0xff, 0xff, 0x1a, 0x04, 0x60, 0xa0, 0xe1,
 		0x06, 0x40, 0xa0, 0xe1, 0x01, 0x30, 0xd4, 0xe4, 0x01, 0x00, 0x53, 0xe3,
 		0xe0, 0xff, 0xff, 0x1a, 0x48, 0x20, 0x97, 0xe5, 0x01, 0x3a, 0xa0, 0xe3,
@@ -1282,36 +1324,36 @@ static int chip_spi_init(struct xfel_ctx_t * ctx, uint32_t * swapbuf, uint32_t *
 		0x08, 0x30, 0x95, 0xe5, 0x04, 0x60, 0xa0, 0xe1, 0xb0, 0x30, 0xc3, 0xe3,
 		0x80, 0x30, 0x83, 0xe3, 0x08, 0x30, 0x85, 0xe5, 0x98, 0xff, 0xff, 0xea,
 		0x01, 0x90, 0xd6, 0xe5, 0x02, 0x00, 0x86, 0xe2, 0x09, 0x10, 0xa0, 0xe1,
-		0x01, 0x60, 0x89, 0xe2, 0x06, 0x60, 0x84, 0xe0, 0x58, 0xff, 0xff, 0xeb,
+		0x01, 0x60, 0x89, 0xe2, 0x06, 0x60, 0x84, 0xe0, 0x55, 0xff, 0xff, 0xeb,
 		0x91, 0xff, 0xff, 0xea, 0x06, 0x10, 0xd6, 0xe5, 0x09, 0x60, 0x86, 0xe2,
 		0x07, 0x00, 0x56, 0xe5, 0x04, 0x20, 0x56, 0xe5, 0x08, 0x30, 0x56, 0xe5,
 		0x02, 0xe0, 0x56, 0xe5, 0x06, 0xc0, 0x56, 0xe5, 0x01, 0x24, 0x82, 0xe1,
 		0x00, 0x34, 0x83, 0xe1, 0x01, 0x10, 0x56, 0xe5, 0x05, 0x00, 0x56, 0xe5,
 		0x0e, 0x28, 0x82, 0xe1, 0x0c, 0x38, 0x83, 0xe1, 0x01, 0x1c, 0x82, 0xe1,
-		0x00, 0x0c, 0x83, 0xe1, 0x47, 0xff, 0xff, 0xeb, 0x80, 0xff, 0xff, 0xea,
+		0x00, 0x0c, 0x83, 0xe1, 0x44, 0xff, 0xff, 0xeb, 0x80, 0xff, 0xff, 0xea,
 		0x06, 0x10, 0xd6, 0xe5, 0x09, 0x60, 0x86, 0xe2, 0x07, 0x00, 0x56, 0xe5,
 		0x04, 0x20, 0x56, 0xe5, 0x08, 0x30, 0x56, 0xe5, 0x02, 0xe0, 0x56, 0xe5,
 		0x06, 0xc0, 0x56, 0xe5, 0x01, 0x24, 0x82, 0xe1, 0x00, 0x34, 0x83, 0xe1,
 		0x01, 0x10, 0x56, 0xe5, 0x05, 0x00, 0x56, 0xe5, 0x0e, 0x28, 0x82, 0xe1,
 		0x0c, 0x38, 0x83, 0xe1, 0x01, 0x1c, 0x82, 0xe1, 0x00, 0x0c, 0x83, 0xe1,
-		0xfc, 0xfe, 0xff, 0xeb, 0x6f, 0xff, 0xff, 0xea, 0x0d, 0x90, 0xa0, 0xe1,
+		0xf6, 0xfe, 0xff, 0xeb, 0x6f, 0xff, 0xff, 0xea, 0x0d, 0x90, 0xa0, 0xe1,
 		0x08, 0x60, 0x8d, 0xe2, 0x05, 0x30, 0xa0, 0xe3, 0x00, 0x30, 0xcd, 0xe5,
-		0x01, 0x10, 0xa0, 0xe3, 0x09, 0x00, 0xa0, 0xe1, 0x2e, 0xff, 0xff, 0xeb,
-		0x01, 0x10, 0xa0, 0xe3, 0x06, 0x00, 0xa0, 0xe1, 0xf1, 0xfe, 0xff, 0xeb,
+		0x01, 0x10, 0xa0, 0xe3, 0x09, 0x00, 0xa0, 0xe1, 0x2b, 0xff, 0xff, 0xeb,
+		0x01, 0x10, 0xa0, 0xe3, 0x06, 0x00, 0xa0, 0xe1, 0xeb, 0xfe, 0xff, 0xeb,
 		0x08, 0x30, 0xdd, 0xe5, 0x01, 0x00, 0x13, 0xe3, 0xf6, 0xff, 0xff, 0x1a,
 		0x04, 0x60, 0xa0, 0xe1, 0x7f, 0xff, 0xff, 0xea, 0x14, 0xd0, 0x8d, 0xe2,
 		0xf0, 0x83, 0xbd, 0xe8, 0x04, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00,
-		0x03, 0x00, 0x00, 0x00, 0x47, 0x4e, 0x55, 0x00, 0xbe, 0x5b, 0x1d, 0xa0,
-		0x00, 0xaf, 0x04, 0x3c, 0x40, 0x15, 0xc5, 0xde, 0x21, 0x29, 0xbc, 0xb6,
-		0x9f, 0x83, 0xa6, 0x42, 0x2f, 0x6c, 0x69, 0x62, 0x2f, 0x6c, 0x64, 0x2d,
+		0x03, 0x00, 0x00, 0x00, 0x47, 0x4e, 0x55, 0x00, 0x7e, 0xf1, 0x42, 0x24,
+		0x25, 0xf1, 0x0c, 0x1b, 0x69, 0xe5, 0x0b, 0x13, 0x65, 0x6b, 0x15, 0x0a,
+		0xcb, 0x0f, 0xb5, 0xcb, 0x2f, 0x6c, 0x69, 0x62, 0x2f, 0x6c, 0x64, 0x2d,
 		0x6c, 0x69, 0x6e, 0x75, 0x78, 0x2d, 0x61, 0x72, 0x6d, 0x68, 0x66, 0x2e,
 		0x73, 0x6f, 0x2e, 0x33, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
 		0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf5, 0xfe, 0xff, 0x6f,
-		0x14, 0x25, 0x02, 0x00, 0x05, 0x00, 0x00, 0x00, 0x10, 0x25, 0x02, 0x00,
-		0x06, 0x00, 0x00, 0x00, 0x00, 0x25, 0x02, 0x00, 0x0a, 0x00, 0x00, 0x00,
+		0x44, 0x25, 0x02, 0x00, 0x05, 0x00, 0x00, 0x00, 0x40, 0x25, 0x02, 0x00,
+		0x06, 0x00, 0x00, 0x00, 0x30, 0x25, 0x02, 0x00, 0x0a, 0x00, 0x00, 0x00,
 		0x01, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00,
 		0x15, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x00,
 		0x08, 0x00, 0x00, 0x00, 0xfb, 0xff, 0xff, 0x6f, 0x01, 0x00, 0x00, 0x08,
@@ -1319,7 +1361,7 @@ static int chip_spi_init(struct xfel_ctx_t * ctx, uint32_t * swapbuf, uint32_t *
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-		0x30, 0x25, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+		0x60, 0x25, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
 	};
 	fel_write(ctx, 0x00022000, (void *)&payload[0], sizeof(payload));
 	if(swapbuf)
@@ -1338,6 +1380,52 @@ static int chip_spi_run(struct xfel_ctx_t * ctx, uint8_t * cbuf, uint32_t clen)
 	return 1;
 }
 
+static const struct sid_section_t {
+	char * name;
+	uint32_t offset;
+	uint32_t size_bits;
+} sids[] = {
+	{ "chipid",  0x0000,  128 },
+	{ "unknown", 0x0010, 1920 },
+};
+
+static int chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
+{
+	if(argc > 0)
+	{
+		if(!strcmp(argv[0], "efuse"))
+		{
+			argc -= 1;
+			argv += 1;
+			if(argc > 0)
+			{
+				if(!strcmp(argv[0], "dump") && (argc == 1))
+				{
+					uint32_t buffer[2048 / 4];
+					for(int n = 0; n < ARRAY_SIZE(sids); n++)
+					{
+						uint32_t count = sids[n].size_bits / 32;
+						for(int i = 0; i < count; i++)
+							buffer[i] = payload_read32(ctx, 0x03006200 + sids[n].offset + i * 4);
+						printf("%s:(0x%04x %d-bits)", sids[n].name, sids[n].offset, sids[n].size_bits);
+						for(int i = 0; i < count; i++)
+						{
+							if(i >= 0 && ((i % 8) == 0))
+								printf("\r\n%-4s", "");
+							printf("%08x ", buffer[i]);
+						}
+						printf("\r\n");
+					}
+					return 1;
+				}
+			}
+		}
+	}
+	printf("usage:\r\n");
+	printf("    xfel extra efuse dump - Dump all of the efuse information\r\n");
+	return 0;
+}
+
 struct chip_t v831 = {
 	.name = "V831",
 	.detect = chip_detect,
@@ -1347,4 +1435,5 @@ struct chip_t v831 = {
 	.ddr = chip_ddr,
 	.spi_init = chip_spi_init,
 	.spi_run = chip_spi_run,
+	.extra = chip_extra,
 };

docs/README.md

@@ -9,9 +9,38 @@ Tiny FEL tools for Allwinner SOC.
 ## FEL
 FEL is a low-level subroutine contained in the BootROM on Allwinner devices. It is used for initial programming and recovery of devices using USB.
 
+# Usage
+
+```
+usage:
+    xfel version                                        - Show chip version
+    xfel hexdump <address> <length>                     - Dumps memory region in hex
+    xfel dump <address> <length>                        - Binary memory dump to stdout
+    xfel read32 <address>                               - Read 32-bits value from device memory
+    xfel write32 <address> <value>                      - Write 32-bits value to device memory
+    xfel read <address> <length> <file>                 - Read memory to file
+    xfel write <address> <file>                         - Write file to memory
+    xfel exec <address>                                 - Call function address
+    xfel reset                                          - Reset device using watchdog
+    xfel sid                                            - Show sid information
+    xfel jtag                                           - Enable jtag debug
+    xfel ddr [type]                                     - Initial ddr controller with optional type
+    xfel sign <public-key> <private-key> <file>         - Generate ecdsa256 signature file for sha256 of sid
+    xfel spinor                                         - Detect spi nor flash
+    xfel spinor erase <address> <length>                - Erase spi nor flash
+    xfel spinor read <address> <length> <file>          - Read spi nor flash to file
+    xfel spinor write <address> <file>                  - Write file to spi nor flash
+    xfel spinand                                        - Detect spi nand flash
+    xfel spinand erase <address> <length>               - Erase spi nand flash
+    xfel spinand read <address> <length> <file>         - Read spi nand flash to file
+    xfel spinand write <address> <file>                 - Write file to spi nand flash
+    xfel spinand splwrite <split-size> <address> <file> - Write file to spi nand flash with split support
+    xfel extra [...]                                    - The extra commands
+```
+
 # Support Lists
 
-✅: Supported — ❌: Not Supported Yet  — ⚠️: Not Fully Supported Yet
+✅: Supported — ❌: Not Supported Yet  — 🚫: None
 
 | Chip |  CPU  |  ID  |  Basic  |  Reset  | Sid | Jtag | DDR | SPI Nor Flash | SPI Nand Flash |
 | -------- | :----- | :----- | -------- | :------- | -------- | -------- | -------- | -------- | -------- |
@@ -24,73 +53,42 @@ FEL is a low-level subroutine contained in the BootROM on Allwinner devices. It
 | A31 | Quad-Core ARM Cortex-A7 | 0x00163300 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
 | A33 | Quad-Core ARM Cortex-A7 @ 1.2GHz | 0x00166700 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
 | R16 | Quad-Core ARM Cortex-A7 @ 1.2GHz | 0x00166700 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
-| A40i | Quad-Core ARM Cortex-A7 @ 1.2 GHz | 0x00170100 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
-| R40 | Quad-Core ARM Cortex-A7 @ 1.2 GHz | 0x00170100 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
+| A40i | Quad-Core ARM Cortex-A7 @ 1.2 GHz | 0x00170100 | ✅ | ✅ | ✅ | ❌ | ✅ | ❌ | ❌ |
+| R40 | Quad-Core ARM Cortex-A7 @ 1.2 GHz | 0x00170100 | ✅ | ✅ | ✅ | ❌ | ✅ | ❌ | ❌ |
+| A50 | Quad-Core ARM Cortex-A7 @ 1.8GHz | 0x00175500 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
 | A64 | Quad-Core ARM Cortex-A53 | 0x00168900 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
 | A80 | Octa-core big.LITTLE Cortex-A15/7 | 0x00163900 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
 | A83T | Octa-core Cortex-A7 @ 1.6GHz | 0x00167300 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
 | D1 | XuanTie C906 RISC-V | 0x00185900 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
 | D1s | XuanTie C906 RISC-V | 0x00185900 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
 | F133 | XuanTie C906 RISC-V | 0x00185900 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
-| F1C100S | Single-core ARM9 | 0x00166300 | ✅ | ✅ | ⚠️ | ✅ | ✅ | ✅ | ✅ |
-| F1C200S | Single-core ARM9 | 0x00166300 | ✅ | ✅ | ⚠️ | ✅ | ✅ | ✅ | ✅ |
-| F1C500S | Single-core ARM9 | 0x00166300 | ✅ | ✅ | ⚠️ | ✅ | ✅ | ✅ | ✅ |
+| F1C100S | Single-core ARM9 | 0x00166300 | ✅ | ✅ | 🚫 | ✅ | ✅ | ✅ | ✅ |
+| F1C200S | Single-core ARM9 | 0x00166300 | ✅ | ✅ | 🚫 | ✅ | ✅ | ✅ | ✅ |
+| F1C500S | Single-core ARM9 | 0x00166300 | ✅ | ✅ | 🚫 | ✅ | ✅ | ✅ | ✅ |
 | H2 | Quad-Core ARM Cortex-A7 | 0x00168000 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
 | H3 | Quad-Core ARM Cortex-A7 @ 1.296GHz | 0x00168000 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
 | H5 | Quad-Core ARM Cortex-A53 | 0x00171800 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
 | H6 | Quad-Core ARM Cortex-A53 @ 1.8GHz | 0x00172800 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
-| H616 | Quad-Core ARM Cortex-A53 | 0x00182300 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
+| H313 | Quad-Core ARM Cortex-A53 | 0x00182300 | ✅ | ❌ | ❌ | ❌ | ✅ | ❌ | ❌ |
+| H616 | Quad-Core ARM Cortex-A53 | 0x00182300 | ✅ | ❌ | ❌ | ❌ | ✅ | ❌ | ❌ |
+| H618 | Quad-Core ARM Cortex-A53 | 0x00182300 | ✅ | ❌ | ❌ | ❌ | ✅ | ❌ | ❌ |
+| R128 | ARM Cortex-M33 and C906 RISC-V | 0x00188300 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
 | R328 | Dual-Core Cortex-A7 | 0x00182100 | ✅ | ❌ | ✅ | ❌ | ❌ | ❌ | ❌ |
 | R329 | Dual-Core Cortex-A53 | 0x00185100 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
 | R528 | Dual-Core Cortex-A7 | 0x00185900 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
-| T507 | Quad-Core ARM Cortex-A53 | 0x00182300 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
+| T113 | Dual-Core Cortex-A7 | 0x00185900 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
+| T507 | Quad-Core ARM Cortex-A53 | 0x00182300 | ✅ | ❌ | ❌ | ❌ | ✅ | ❌ | ❌ |
 | V3s | Single-core Cortex-A7 | 0x00168100 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
 | S3 | Single-core Cortex-A7 | 0x00168100 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
 | V536 | Dual-Core Cortex-A7 | 0x00181600 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
+| V821 | Andes A272L2 32Bit RISC-V and E907 RISC-V | 0x00188200 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
 | V831 | Single-core Cortex-A7 800Mhz | 0x00181700 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
-
-# Download and install
-
-## Linux platform
-
-### ArchLinux
-
-The xfel now avaliable at [AUR](https://aur.archlinux.org/packages/xfel/), You can use any AUR helper like `yay` to download.
-
-```shell
-yay -S xfel
-```
-
-## Windows platform
-
-Get the latest prebuild at [RELEASE](https://github.com/xboot/xfel/releases/latest)
-
-# Usage
-
-```
-usage:
-    xfel version                                        - Show chip version
-    xfel hexdump <address> <length>                     - Dumps memory region in hex
-    xfel dump <address> <length>                        - Binary memory dump to stdout
-    xfel exec <address>                                 - Call function address
-    xfel read32 <address>                               - Read 32-bits value from device memory
-    xfel write32 <address> <value>                      - Write 32-bits value to device memory
-    xfel read <address> <length> <file>                 - Read memory to file
-    xfel write <address> <file>                         - Write file to memory
-    xfel reset                                          - Reset device using watchdog
-    xfel sid                                            - Show sid information
-    xfel jtag                                           - Enable jtag debug
-    xfel ddr [type]                                     - Initial ddr controller with optional type
-    xfel spinor                                         - Detect spi nor flash
-    xfel spinor erase <address> <length>                - Erase spi nor flash
-    xfel spinor read <address> <length> <file>          - Read spi nor flash to file
-    xfel spinor write <address> <file>                  - Write file to spi nor flash
-    xfel spinand                                        - Detect spi nand flash
-    xfel spinand erase <address> <length>               - Erase spi nand flash
-    xfel spinand read <address> <length> <file>         - Read spi nand flash to file
-    xfel spinand write <address> <file>                 - Write file to spi nand flash
-    xfel spinand splwrite <split-size> <address> <file> - Write file to spi nand flash with split support
-```
+| V851 | Single-core Cortex-A7 1Ghz + E907 RISC-V | 0x00188600 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
+| V853 | Single-core Cortex-A7 1Ghz + E907 RISC-V | 0x00188600 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
+| A523 | Octa-core Cortex-A55 2.0Ghz + E906 RISC-V + HIFI4 DSP | 0x00189000 | ✅ | ✅ | ✅ | ❌ | ✅ | ❌ | ❌ |
+| A527 | Octa-core Cortex-A55 2.0Ghz + E906 RISC-V + HIFI4 DSP | 0x00189000 | ✅ | ✅ | ✅ | ❌ | ✅ | ❌ | ❌ |
+| T527 | Octa-core Cortex-A55 2.0Ghz + E906 RISC-V + HIFI4 DSP | 0x00189000 | ✅ | ✅ | ✅ | ❌ | ✅ | ❌ | ❌ |
+| MR527 | Octa-core Cortex-A55 2.0Ghz + E906 RISC-V + HIFI4 DSP | 0x00189000 | ✅ | ✅ | ✅ | ❌ | ✅ | ❌ | ❌ |
 
 # Build from source
 
@@ -110,25 +108,6 @@ make
 sudo make install
 ```
 
-## macOS platform
-
-?> _TODO_ Add macOS ARM support
-
-Before start, make sure the `Command Line Tools` is installed.
-
-Install `libusb` using [brew](https://brew.sh/)
-
-```shell
-brew install libusb
-```
-
-Then just type `make` at the root directory, you will see a binary program.
-
-```shell
-cd xfel
-make
-```
-
 ## Window platform
 
 Windows adopts the cross-compilation method, to install the cross-compilation tool chain in Ubuntu, using:
@@ -158,6 +137,31 @@ CROSS=i686-w64-mingw32- make
 
 For 64-bits windows, you can using `x86_64-w64-mingw32-` instead of `i686-w64-mingw32` above.
 
+## macOS platform
+
+?> _TODO_ Add macOS ARM support
+
+Before start, make sure the `Command Line Tools` is installed.
+
+Install `libusb` using [brew](https://brew.sh/)
+
+```shell
+brew install libusb
+```
+
+Then just type `make` at the root directory, you will see a binary program.
+
+```shell
+cd xfel
+make
+```
+
+# Download and install
+
+## Windows platform
+
+Get the latest prebuild at [RELEASE](https://github.com/xboot/xfel/releases/latest)
+
 # Examples
 
 ## F1C100s: Write U-Boot to DDR and execute U-Boot
@@ -168,12 +172,22 @@ xfel write 0x81700000 u-boot.bin       # write uboot to 0x81700000
 xfel exec 0x81700000                   # Call the function and exectue
 ```
 
+## F1C200s: Write System to SPI NAND Flash
+```
+xfel spinand
+xfel spinand erase 0x000000 134217728
+xfel spinand write 0x000000 u-boot-sunxi-with-nand-spl.bin 
+xfel spinand write 0x80000 splash.bmp 
+xfel spinand write 0x100000 kernel.itb 
+xfel spinand write 0x600000 rootfs.squashfs
+```
+
 ## F133: Write OpenSBI to DDR and execute it
 
 ```
-xfel ddr ddr2                          # Initial ddr controller with ddr2 type
+xfel ddr f133                          # Initial ddr controller for f133
 xfel write 0x80200000 opensbi.bin      # write opensbi to 0x80200000
 xfel exec 0x80200000                   # Call the function and exectue
 ```
 
-?> _TODO_ Want to add more examples? Using the pull requests at [https://github.com/xboot/xfel/pulls](https://github.com/xboot/xfel/pulls)
+?> Want to add more examples? Using the pull requests at [https://github.com/xboot/xfel/pulls](https://github.com/xboot/xfel/pulls)

docs/zh-cn/README.md

@@ -9,9 +9,39 @@
 ## 什么是FEL
 FEL 是全志 SOC 中上 BootROM 中包含的低级程序。可以通过它使用 USB OTG 对 SOC 进行编程和恢复。
 
+
+# 使用方法
+
+```
+usage:
+    xfel version                                        - 显示芯片ID
+    xfel hexdump <address> <length>                     - 以HEX文件转储内存区域
+    xfel dump <address> <length>                        - 转储内存区域并输出
+    xfel read32 <address>                               - 从设备内存中读取 32 位值
+    xfel write32 <address> <value>                      - 向设备内存中写入 32 位值
+    xfel read <address> <length> <file>                 - 向文件写入内存
+    xfel write <address> <file>                         - 向内存写入文件
+    xfel exec <address>                                 - 调用函数地址
+    xfel reset                                          - 使用看门狗重置设备
+    xfel sid                                            - 显示sid信息
+    xfel jtag                                           - 启用 jtag 调试
+    xfel ddr [type]                                     - 初始化 DDR 控制器
+    xfel sign <public-key> <private-key> <file>         - 依据sid的sha256摘要信息生成ECDSA256签名文件
+    xfel spinor                                         - 检测 spi nor flash
+    xfel spinor erase <address> <length>                - 擦除 spi nor flash
+    xfel spinor read <address> <length> <file>          - 读取 spi nor flash 到文件
+    xfel spinor write <address> <file>                  - 将文件写入 spi nor flash
+    xfel spinand                                        - 检测 spi nand flash
+    xfel spinand erase <address> <length>               - 擦除 spi nand flash
+    xfel spinand read <address> <length> <file>         - 读取 spi nand flash 到文件
+    xfel spinand write <address> <file>                 - 将文件写入 spi nand flash
+    xfel spinand splwrite <split-size> <address> <file> - 使用拆分支持将文件写入 spi nand flash
+    xfel extra [...]                                    - 扩展命令
+```
+
 # 支持列表
 
-✅: 已经支持 — ❌: 还未支持  — ⚠️: 还未完全支持
+✅: 已经支持 — ❌: 还未支持  — 🚫: 无
 
 | Chip |  CPU  |  ID  |  Basic  |  Reset  | Sid | Jtag | DDR | SPI Nor Flash | SPI Nand Flash |
 | -------- | :----- | :----- | -------- | :------- | -------- | -------- | -------- | -------- | -------- |
@@ -24,74 +54,42 @@ FEL 是全志 SOC 中上 BootROM 中包含的低级程序。可以通过它使
 | A31 | Quad-Core ARM Cortex-A7 | 0x00163300 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
 | A33 | Quad-Core ARM Cortex-A7 @ 1.2GHz | 0x00166700 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
 | R16 | Quad-Core ARM Cortex-A7 @ 1.2GHz | 0x00166700 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
-| A40i | Quad-Core ARM Cortex-A7 @ 1.2 GHz | 0x00170100 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
-| R40 | Quad-Core ARM Cortex-A7 @ 1.2 GHz | 0x00170100 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
+| A40i | Quad-Core ARM Cortex-A7 @ 1.2 GHz | 0x00170100 | ✅ | ✅ | ✅ | ❌ | ✅ | ❌ | ❌ |
+| R40 | Quad-Core ARM Cortex-A7 @ 1.2 GHz | 0x00170100 | ✅ | ✅ | ✅ | ❌ | ✅ | ❌ | ❌ |
+| A50 | Quad-Core ARM Cortex-A7 @ 1.8GHz | 0x00175500 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
 | A64 | Quad-Core ARM Cortex-A53 | 0x00168900 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
 | A80 | Octa-core big.LITTLE Cortex-A15/7 | 0x00163900 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
 | A83T | Octa-core Cortex-A7 @ 1.6GHz | 0x00167300 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
 | D1 | XuanTie C906 RISC-V | 0x00185900 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
 | D1s | XuanTie C906 RISC-V | 0x00185900 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
 | F133 | XuanTie C906 RISC-V | 0x00185900 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
-| F1C100S | Single-core ARM9 | 0x00166300 | ✅ | ✅ | ⚠️ | ✅ | ✅ | ✅ | ✅ |
-| F1C200S | Single-core ARM9 | 0x00166300 | ✅ | ✅ | ⚠️ | ✅ | ✅ | ✅ | ✅ |
-| F1C500S | Single-core ARM9 | 0x00166300 | ✅ | ✅ | ⚠️ | ✅ | ✅ | ✅ | ✅ |
+| F1C100S | Single-core ARM9 | 0x00166300 | ✅ | ✅ | 🚫 | ✅ | ✅ | ✅ | ✅ |
+| F1C200S | Single-core ARM9 | 0x00166300 | ✅ | ✅ | 🚫 | ✅ | ✅ | ✅ | ✅ |
+| F1C500S | Single-core ARM9 | 0x00166300 | ✅ | ✅ | 🚫 | ✅ | ✅ | ✅ | ✅ |
 | H2 | Quad-Core ARM Cortex-A7 | 0x00168000 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
 | H3 | Quad-Core ARM Cortex-A7 @ 1.296GHz | 0x00168000 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
 | H5 | Quad-Core ARM Cortex-A53 | 0x00171800 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
 | H6 | Quad-Core ARM Cortex-A53 @ 1.8GHz | 0x00172800 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
-| H616 | Quad-Core ARM Cortex-A53 | 0x00182300 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
+| H313 | Quad-Core ARM Cortex-A53 | 0x00182300 | ✅ | ❌ | ❌ | ❌ | ✅ | ❌ | ❌ |
+| H616 | Quad-Core ARM Cortex-A53 | 0x00182300 | ✅ | ❌ | ❌ | ❌ | ✅ | ❌ | ❌ |
+| H618 | Quad-Core ARM Cortex-A53 | 0x00182300 | ✅ | ❌ | ❌ | ❌ | ✅ | ❌ | ❌ |
+| R128 | ARM Cortex-M33 and C906 RISC-V | 0x00188300 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
 | R328 | Dual-Core Cortex-A7 | 0x00182100 | ✅ | ❌ | ✅ | ❌ | ❌ | ❌ | ❌ |
 | R329 | Dual-Core Cortex-A53 | 0x00185100 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
 | R528 | Dual-Core Cortex-A7 | 0x00185900 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
-| T507 | Quad-Core ARM Cortex-A53 | 0x00182300 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
+| T113 | Dual-Core Cortex-A7 | 0x00185900 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
+| T507 | Quad-Core ARM Cortex-A53 | 0x00182300 | ✅ | ❌ | ❌ | ❌ | ✅ | ❌ | ❌ |
 | V3s | Single-core Cortex-A7 | 0x00168100 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
 | S3 | Single-core Cortex-A7 | 0x00168100 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
 | V536 | Dual-Core Cortex-A7 | 0x00181600 | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
+| V821 | Andes A272L2 32Bit RISC-V and E907 RISC-V | 0x00188200 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
 | V831 | Single-core Cortex-A7 800Mhz | 0x00181700 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
-
-# 下载安装
-
-## Linux
-
-### ArchLinux
-
-xfel 现在可以在 [AUR](https://aur.archlinux.org/packages/xfel/) 下载到, 对于 ArchLinux 只需要使用 AUR 管理器就可以安装。例如`yay`。
-
-```shell
-yay -S xfel
-```
-
-## Windows
-
-在 [RELEASE](https://github.com/xboot/xfel/releases/latest) 找到预编译的Windows软件。
-
-
-# 使用方法
-
-```
-usage:
-    xfel version                                        - 显示芯片ID
-    xfel hexdump <address> <length>                     - 以HEX文件转储内存区域
-    xfel dump <address> <length>                        - 转储内存区域并输出
-    xfel exec <address>                                 - 调用函数地址
-    xfel read32 <address>                               - 从设备内存中读取 32 位值
-    xfel write32 <address> <value>                      - 向设备内存中写入 32 位值
-    xfel read <address> <length> <file>                 - 向文件写入内存
-    xfel write <address> <file>                         - 向内存写入文件
-    xfel reset                                          - 使用看门狗重置设备
-    xfel sid                                            - 显示sid信息
-    xfel jtag                                           - 启用 jtag 调试
-    xfel ddr [type]                                     - 初始化 DDR 控制器
-    xfel spinor                                         - 检测 spi nor flash
-    xfel spinor erase                                   - 擦除 spi nor flash
-    xfel spinor read <address> <length> <file>          - 读取 spi nor flash 到文件
-    xfel spinor write <address> <file>                  - 将文件写入 spi nor flash
-    xfel spinand                                        - 检测 spi nand flash
-    xfel spinand erase                                  - 擦除 spi nand flash
-    xfel spinand read <address> <length> <file>         - 读取 spi nand flash 到文件
-    xfel spinand write <address> <file>                 - 将文件写入 spi nand flash
-    xfel spinand splwrite <split-size> <address> <file> - 使用拆分支持将文件写入 spi nand flash
-```
+| V851 | Single-core Cortex-A7 1Ghz + E907 RISC-V | 0x00188600 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
+| V853 | Single-core Cortex-A7 1Ghz + E907 RISC-V | 0x00188600 | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
+| A523 | Octa-core Cortex-A55 2.0Ghz + E906 RISC-V + HIFI4 DSP | 0x00189000 | ✅ | ✅ | ✅ | ❌ | ✅ | ❌ | ❌ |
+| A527 | Octa-core Cortex-A55 2.0Ghz + E906 RISC-V + HIFI4 DSP | 0x00189000 | ✅ | ✅ | ✅ | ❌ | ✅ | ❌ | ❌ |
+| T527 | Octa-core Cortex-A55 2.0Ghz + E906 RISC-V + HIFI4 DSP | 0x00189000 | ✅ | ✅ | ✅ | ❌ | ✅ | ❌ | ❌ |
+| MR527 | Octa-core Cortex-A55 2.0Ghz + E906 RISC-V + HIFI4 DSP | 0x00189000 | ✅ | ✅ | ✅ | ❌ | ✅ | ❌ | ❌ |
 
 # 编译安装
 
@@ -111,26 +109,6 @@ make
 sudo make install
 ```
 
-## macOS
-
-?> _TODO_ Add macOS ARM support
-
-在开始之前，请先安装完成`Command Line Tools`.
-
-使用 [brew](https://brew.sh/) 安装`libusb` 依赖。
-
-```shell
-brew install libusb
-```
-
-然后在程序根目录输入`make`就编译完成了。
-
-```shell
-cd xfel
-make
-```
-
-
 ## Window
 
 Windows 采用交叉编译方法，在 Ubuntu 中安装交叉编译工具链：
@@ -160,6 +138,33 @@ CROSS=i686-w64-mingw32- make
 
 对于交叉编译64位Windows程序，您可以使用 `x86_64-w64-mingw32-` 代替上面的 `i686-w64-mingw32`。
 
+
+## macOS
+
+?> _TODO_ Add macOS ARM support
+
+在开始之前，请先安装完成`Command Line Tools`.
+
+使用 [brew](https://brew.sh/) 安装`libusb` 依赖。
+
+```shell
+brew install libusb
+```
+
+然后在程序根目录输入`make`就编译完成了。
+
+```shell
+cd xfel
+make
+```
+
+# 下载安装
+
+## Windows
+
+在 [RELEASE](https://github.com/xboot/xfel/releases/latest) 找到预编译的Windows软件。
+
+
 # 例子
 
 ## F1C100s: 使用XEFL写入 U-Boot 并运行
@@ -170,13 +175,23 @@ xfel write 0x81700000 u-boot.bin       # 将uboot写入0x81700000
 xfel exec 0x81700000                   # 调用函数地址运行
 ```
 
+## F1C200s: 向 SPI NAND 写入系统
+```
+xfel spinand
+xfel spinand erase 0x000000 134217728
+xfel spinand write 0x000000 u-boot-sunxi-with-nand-spl.bin 
+xfel spinand write 0x80000 splash.bmp 
+xfel spinand write 0x100000 kernel.itb 
+xfel spinand write 0x600000 rootfs.squashfs
+```
+
 ## F133: 使用XEFL写入 OpenSBI 并运行
 
 
 ```
-xfel ddr ddr2                          # 使用ddr2方式初始化DDR控制器
+xfel ddr f133                          # 初始化F133 DDR控制器
 xfel write 0x80200000 opensbi.bin      # 将opensbi写入0x80200000
 xfel exec 0x80200000                   # 调用函数地址运行
 ```
 
-?> _TODO_ 还想添加其他例子? 请给我们提交 Pull Requests [https://github.com/xboot/xfel/pulls](https://github.com/xboot/xfel/pulls)
+?> 还想添加其他例子? 请给我们提交 Pull Requests [https://github.com/xboot/xfel/pulls](https://github.com/xboot/xfel/pulls)

ecdsa256.c

@@ -0,0 +1,804 @@
+#include <ecdsa256.h>
+
+#define ECDSA256_NUM_DIGITS	(ECDSA256_BYTES / 8)
+#define MAX_RETRY			(16)
+
+struct ecdsa256_uint128_t {
+	uint64_t m_low;
+	uint64_t m_high;
+};
+
+struct ecdsa256_point_t {
+	uint64_t x[ECDSA256_NUM_DIGITS];
+	uint64_t y[ECDSA256_NUM_DIGITS];
+};
+
+static uint64_t curve_p[ECDSA256_NUM_DIGITS] = { 0xFFFFFFFFFFFFFFFFull, 0x00000000FFFFFFFFull, 0x0000000000000000ull, 0xFFFFFFFF00000001ull };
+static uint64_t curve_b[ECDSA256_NUM_DIGITS] = { 0x3BCE3C3E27D2604Bull, 0x651D06B0CC53B0F6ull, 0xB3EBBD55769886BCull, 0x5AC635D8AA3A93E7ull };
+static uint64_t curve_n[ECDSA256_NUM_DIGITS] = { 0xF3B9CAC2FC632551ull, 0xBCE6FAADA7179E84ull, 0xFFFFFFFFFFFFFFFFull, 0xFFFFFFFF00000000ull };
+static struct ecdsa256_point_t curve_g = { { 0xF4A13945D898C296ull, 0x77037D812DEB33A0ull, 0xF8BCE6E563A440F2ull, 0x6B17D1F2E12C4247ull }, { 0xCBB6406837BF51F5ull, 0x2BCE33576B315ECEull, 0x8EE7EB4A7C0F9E16ull, 0x4FE342E2FE1A7F9Bull } };
+
+static int get_random_number(uint64_t * vli)
+{
+	uint64_t v;
+	int i;
+
+	for(i = 0; i < ECDSA256_NUM_DIGITS; i++)
+	{
+		v = (uint64_t)(rand() & 0xffff) << 0;
+		v |= (uint64_t)(rand() & 0xffff) << 16;
+		v |= (uint64_t)(rand() & 0xffff) << 32;
+		v |= (uint64_t)(rand() & 0xffff) << 48;
+		vli[i] = v;
+	}
+	return 1;
+}
+
+static void vli_clear(uint64_t * vli)
+{
+	int i;
+
+	for(i = 0; i < ECDSA256_NUM_DIGITS; i++)
+		vli[i] = 0;
+}
+
+static int vli_iszero(uint64_t * vli)
+{
+	int i;
+
+	for(i = 0; i < ECDSA256_NUM_DIGITS; i++)
+	{
+		if(vli[i])
+			return 0;
+	}
+	return 1;
+}
+
+static uint64_t vli_testbit(uint64_t * vli, unsigned int bit)
+{
+	return (vli[bit / 64] & ((uint64_t)1 << (bit % 64)));
+}
+
+static unsigned int vli_numdigits(uint64_t * vli)
+{
+    int i;
+
+    for(i = ECDSA256_NUM_DIGITS - 1; i >= 0 && vli[i] == 0; --i);
+    return (i + 1);
+}
+
+static unsigned int vli_numbits(uint64_t * vli)
+{
+	uint64_t digit;
+	unsigned int i;
+	unsigned int n = vli_numdigits(vli);
+
+	if(n == 0)
+		return 0;
+	digit = vli[n - 1];
+	for(i = 0; digit; i++)
+		digit >>= 1;
+	return ((n - 1) * 64 + i);
+}
+
+static void vli_set(uint64_t * dst, uint64_t * src)
+{
+	int i;
+
+	for(i = 0; i < ECDSA256_NUM_DIGITS; i++)
+		dst[i] = src[i];
+}
+
+static int vli_cmp(uint64_t * left, uint64_t * right)
+{
+	int i;
+
+	for(i = ECDSA256_NUM_DIGITS - 1; i >= 0; --i)
+	{
+		if(left[i] > right[i])
+			return 1;
+		else if(left[i] < right[i])
+			return -1;
+	}
+	return 0;
+}
+
+static uint64_t vli_lshift(uint64_t * result, uint64_t * in, unsigned int shift)
+{
+	uint64_t carry = 0;
+	int i;
+
+	for(i = 0; i < ECDSA256_NUM_DIGITS; i++)
+	{
+		uint64_t temp = in[i];
+		result[i] = (temp << shift) | carry;
+		carry = temp >> (64 - shift);
+	}
+	return carry;
+}
+
+static void vli_rshift1(uint64_t * vli)
+{
+	uint64_t * end = vli;
+	uint64_t carry = 0;
+
+	vli += ECDSA256_NUM_DIGITS;
+	while(vli-- > end)
+	{
+		uint64_t temp = *vli;
+		*vli = (temp >> 1) | carry;
+		carry = temp << 63;
+	}
+}
+
+static uint64_t vli_add(uint64_t * result, uint64_t * left, uint64_t * right)
+{
+	uint64_t carry = 0;
+	int i;
+
+	for(i = 0; i < ECDSA256_NUM_DIGITS; i++)
+	{
+		uint64_t sum = left[i] + right[i] + carry;
+		if(sum != left[i])
+			carry = (sum < left[i]);
+		result[i] = sum;
+	}
+	return carry;
+}
+
+static uint64_t vli_sub(uint64_t * result, uint64_t * left, uint64_t * right)
+{
+	uint64_t borrow = 0;
+	int i;
+
+	for(i = 0; i < ECDSA256_NUM_DIGITS; i++)
+	{
+		uint64_t diff = left[i] - right[i] - borrow;
+		if(diff != left[i])
+			borrow = (diff > left[i]);
+		result[i] = diff;
+	}
+	return borrow;
+}
+
+static struct ecdsa256_uint128_t mul_64_64(uint64_t left, uint64_t right)
+{
+	struct ecdsa256_uint128_t result;
+
+	uint64_t a0 = left & 0xffffffffull;
+	uint64_t a1 = left >> 32;
+	uint64_t b0 = right & 0xffffffffull;
+	uint64_t b1 = right >> 32;
+	uint64_t m0 = a0 * b0;
+	uint64_t m1 = a0 * b1;
+	uint64_t m2 = a1 * b0;
+	uint64_t m3 = a1 * b1;
+
+	m2 += (m0 >> 32);
+	m2 += m1;
+	if(m2 < m1)
+		m3 += 0x100000000ull;
+	result.m_low = (m0 & 0xffffffffull) | (m2 << 32);
+	result.m_high = m3 + (m2 >> 32);
+
+	return result;
+}
+
+static struct ecdsa256_uint128_t add_128_128(struct ecdsa256_uint128_t a, struct ecdsa256_uint128_t b)
+{
+	struct ecdsa256_uint128_t result;
+	result.m_low = a.m_low + b.m_low;
+	result.m_high = a.m_high + b.m_high + (result.m_low < a.m_low);
+	return result;
+}
+
+static void vli_mult(uint64_t * result, uint64_t * left, uint64_t * right)
+{
+	struct ecdsa256_uint128_t r01 = { 0, 0 };
+	uint64_t r2 = 0;
+	unsigned int i, k;
+
+	for(k = 0; k < ECDSA256_NUM_DIGITS * 2 - 1; ++k)
+	{
+		unsigned int min = (k < ECDSA256_NUM_DIGITS ? 0 : (k + 1) - ECDSA256_NUM_DIGITS);
+		for(i = min; i <= k && i < ECDSA256_NUM_DIGITS; i++)
+		{
+			struct ecdsa256_uint128_t product = mul_64_64(left[i], right[k - i]);
+			r01 = add_128_128(r01, product);
+			r2 += (r01.m_high < product.m_high);
+		}
+		result[k] = r01.m_low;
+		r01.m_low = r01.m_high;
+		r01.m_high = r2;
+		r2 = 0;
+	}
+	result[ECDSA256_NUM_DIGITS * 2 - 1] = r01.m_low;
+}
+
+static void vli_square(uint64_t *result, uint64_t *left)
+{
+	struct ecdsa256_uint128_t r01 = { 0, 0 };
+	uint64_t r2 = 0;
+	unsigned int i, k;
+
+	for(k = 0; k < ECDSA256_NUM_DIGITS * 2 - 1; ++k)
+	{
+		unsigned int min = (k < ECDSA256_NUM_DIGITS ? 0 : (k + 1) - ECDSA256_NUM_DIGITS);
+		for(i = min; i <= k && i <= k - i; i++)
+		{
+			struct ecdsa256_uint128_t product = mul_64_64(left[i], left[k - i]);
+			if(i < k - i)
+			{
+				r2 += product.m_high >> 63;
+				product.m_high = (product.m_high << 1) | (product.m_low >> 63);
+				product.m_low <<= 1;
+			}
+			r01 = add_128_128(r01, product);
+			r2 += (r01.m_high < product.m_high);
+		}
+		result[k] = r01.m_low;
+		r01.m_low = r01.m_high;
+		r01.m_high = r2;
+		r2 = 0;
+	}
+	result[ECDSA256_NUM_DIGITS * 2 - 1] = r01.m_low;
+}
+
+static void vli_modadd(uint64_t * result, uint64_t * left, uint64_t * right, uint64_t * mod)
+{
+	uint64_t carry = vli_add(result, left, right);
+	if(carry || vli_cmp(result, mod) >= 0)
+		vli_sub(result, result, mod);
+}
+
+static void vli_modsub(uint64_t * result, uint64_t * left, uint64_t * right, uint64_t * mod)
+{
+	uint64_t borrow = vli_sub(result, left, right);
+	if(borrow)
+		vli_add(result, result, mod);
+}
+
+static void vli_mmod_fast(uint64_t * result, uint64_t * product)
+{
+	uint64_t tmp[ECDSA256_NUM_DIGITS];
+	int carry;
+
+	vli_set(result, product);
+
+	tmp[0] = 0;
+	tmp[1] = product[5] & 0xffffffff00000000ull;
+	tmp[2] = product[6];
+	tmp[3] = product[7];
+	carry = vli_lshift(tmp, tmp, 1);
+	carry += vli_add(result, result, tmp);
+
+	tmp[1] = product[6] << 32;
+	tmp[2] = (product[6] >> 32) | (product[7] << 32);
+	tmp[3] = product[7] >> 32;
+	carry += vli_lshift(tmp, tmp, 1);
+	carry += vli_add(result, result, tmp);
+
+	tmp[0] = product[4];
+	tmp[1] = product[5] & 0xffffffff;
+	tmp[2] = 0;
+	tmp[3] = product[7];
+	carry += vli_add(result, result, tmp);
+
+	tmp[0] = (product[4] >> 32) | (product[5] << 32);
+	tmp[1] = (product[5] >> 32) | (product[6] & 0xffffffff00000000ull);
+	tmp[2] = product[7];
+	tmp[3] = (product[6] >> 32) | (product[4] << 32);
+	carry += vli_add(result, result, tmp);
+
+	tmp[0] = (product[5] >> 32) | (product[6] << 32);
+	tmp[1] = (product[6] >> 32);
+	tmp[2] = 0;
+	tmp[3] = (product[4] & 0xffffffff) | (product[5] << 32);
+	carry -= vli_sub(result, result, tmp);
+
+	tmp[0] = product[6];
+	tmp[1] = product[7];
+	tmp[2] = 0;
+	tmp[3] = (product[4] >> 32) | (product[5] & 0xffffffff00000000ull);
+	carry -= vli_sub(result, result, tmp);
+
+	tmp[0] = (product[6] >> 32) | (product[7] << 32);
+	tmp[1] = (product[7] >> 32) | (product[4] << 32);
+	tmp[2] = (product[4] >> 32) | (product[5] << 32);
+	tmp[3] = (product[6] << 32);
+	carry -= vli_sub(result, result, tmp);
+
+	tmp[0] = product[7];
+	tmp[1] = product[4] & 0xffffffff00000000ull;
+	tmp[2] = product[5];
+	tmp[3] = product[6] & 0xffffffff00000000ull;
+	carry -= vli_sub(result, result, tmp);
+
+	if(carry < 0)
+	{
+		do
+		{
+			carry += vli_add(result, result, curve_p);
+		} while(carry < 0);
+	}
+	else
+	{
+		while(carry || vli_cmp(curve_p, result) != 1)
+		{
+			carry -= vli_sub(result, result, curve_p);
+		}
+	}
+}
+
+static void vli_modMult_fast(uint64_t * result, uint64_t * left, uint64_t * right)
+{
+	uint64_t product[2 * ECDSA256_NUM_DIGITS];
+	vli_mult(product, left, right);
+	vli_mmod_fast(result, product);
+}
+
+static void vli_modSquare_fast(uint64_t * result, uint64_t * left)
+{
+	uint64_t product[2 * ECDSA256_NUM_DIGITS];
+	vli_square(product, left);
+	vli_mmod_fast(result, product);
+}
+
+static void vli_modinv(uint64_t * result, uint64_t * input, uint64_t * mod)
+{
+	uint64_t a[ECDSA256_NUM_DIGITS], b[ECDSA256_NUM_DIGITS], u[ECDSA256_NUM_DIGITS], v[ECDSA256_NUM_DIGITS];
+	uint64_t carry;
+	int cmpresult;
+
+	if(vli_iszero(input))
+	{
+		vli_clear(result);
+		return;
+	}
+	vli_set(a, input);
+	vli_set(b, mod);
+	vli_clear(u);
+	u[0] = 1;
+	vli_clear(v);
+
+	while((cmpresult = vli_cmp(a, b)) != 0)
+	{
+		carry = 0;
+		if(!(a[0] & 1))
+		{
+			vli_rshift1(a);
+			if(u[0] & 1)
+				carry = vli_add(u, u, mod);
+			vli_rshift1(u);
+			if(carry)
+				u[ECDSA256_NUM_DIGITS - 1] |= 0x8000000000000000ull;
+		}
+		else if(!(b[0] & 1))
+		{
+			vli_rshift1(b);
+			if(v[0] & 1)
+				carry = vli_add(v, v, mod);
+			vli_rshift1(v);
+			if(carry)
+				v[ECDSA256_NUM_DIGITS - 1] |= 0x8000000000000000ull;
+		}
+		else if(cmpresult > 0)
+		{
+			vli_sub(a, a, b);
+			vli_rshift1(a);
+			if(vli_cmp(u, v) < 0)
+				vli_add(u, u, mod);
+			vli_sub(u, u, v);
+			if(u[0] & 1)
+				carry = vli_add(u, u, mod);
+			vli_rshift1(u);
+			if(carry)
+				u[ECDSA256_NUM_DIGITS - 1] |= 0x8000000000000000ull;
+		}
+		else
+		{
+			vli_sub(b, b, a);
+			vli_rshift1(b);
+			if(vli_cmp(v, u) < 0)
+				vli_add(v, v, mod);
+			vli_sub(v, v, u);
+			if(v[0] & 1)
+				carry = vli_add(v, v, mod);
+			vli_rshift1(v);
+			if(carry)
+				v[ECDSA256_NUM_DIGITS - 1] |= 0x8000000000000000ull;
+		}
+	}
+	vli_set(result, u);
+}
+
+static int eccpoint_iszero(struct ecdsa256_point_t * point)
+{
+	return (vli_iszero(point->x) && vli_iszero(point->y));
+}
+
+static void eccpoint_double_jacobian(uint64_t * x1, uint64_t * y1, uint64_t * z1)
+{
+	uint64_t t4[ECDSA256_NUM_DIGITS];
+	uint64_t t5[ECDSA256_NUM_DIGITS];
+
+	if(vli_iszero(z1))
+		return;
+	vli_modSquare_fast(t4, y1);
+	vli_modMult_fast(t5, x1, t4);
+	vli_modSquare_fast(t4, t4);
+	vli_modMult_fast(y1, y1, z1);
+	vli_modSquare_fast(z1, z1);
+	vli_modadd(x1, x1, z1, curve_p);
+	vli_modadd(z1, z1, z1, curve_p);
+	vli_modsub(z1, x1, z1, curve_p);
+	vli_modMult_fast(x1, x1, z1);
+	vli_modadd(z1, x1, x1, curve_p);
+	vli_modadd(x1, x1, z1, curve_p);
+	if(vli_testbit(x1, 0))
+	{
+		uint64_t carry = vli_add(x1, x1, curve_p);
+		vli_rshift1(x1);
+		x1[ECDSA256_NUM_DIGITS - 1] |= carry << 63;
+	}
+	else
+	{
+		vli_rshift1(x1);
+	}
+	vli_modSquare_fast(z1, x1);
+	vli_modsub(z1, z1, t5, curve_p);
+	vli_modsub(z1, z1, t5, curve_p);
+	vli_modsub(t5, t5, z1, curve_p);
+	vli_modMult_fast(x1, x1, t5);
+	vli_modsub(t4, x1, t4, curve_p);
+	vli_set(x1, z1);
+	vli_set(z1, y1);
+	vli_set(y1, t4);
+}
+
+static void apply_z(uint64_t * x1, uint64_t * y1, uint64_t * z)
+{
+	uint64_t t1[ECDSA256_NUM_DIGITS];
+
+	vli_modSquare_fast(t1, z);
+	vli_modMult_fast(x1, x1, t1);
+	vli_modMult_fast(t1, t1, z);
+	vli_modMult_fast(y1, y1, t1);
+}
+
+static void xycz_initial_double(uint64_t * x1, uint64_t * y1, uint64_t * x2, uint64_t * y2, uint64_t * initialz)
+{
+	uint64_t z[ECDSA256_NUM_DIGITS];
+
+	vli_set(x2, x1);
+	vli_set(y2, y1);
+	vli_clear(z);
+	z[0] = 1;
+	if(initialz)
+		vli_set(z, initialz);
+	apply_z(x1, y1, z);
+	eccpoint_double_jacobian(x1, y1, z);
+	apply_z(x2, y2, z);
+}
+
+static void xycz_add(uint64_t * x1, uint64_t * y1, uint64_t * x2, uint64_t * y2)
+{
+	uint64_t t5[ECDSA256_NUM_DIGITS];
+
+	vli_modsub(t5, x2, x1, curve_p);
+	vli_modSquare_fast(t5, t5);
+	vli_modMult_fast(x1, x1, t5);
+	vli_modMult_fast(x2, x2, t5);
+	vli_modsub(y2, y2, y1, curve_p);
+	vli_modSquare_fast(t5, y2);
+	vli_modsub(t5, t5, x1, curve_p);
+	vli_modsub(t5, t5, x2, curve_p);
+	vli_modsub(x2, x2, x1, curve_p);
+	vli_modMult_fast(y1, y1, x2);
+	vli_modsub(x2, x1, t5, curve_p);
+	vli_modMult_fast(y2, y2, x2);
+	vli_modsub(y2, y2, y1, curve_p);
+	vli_set(x2, t5);
+}
+
+static void xycz_addc(uint64_t * x1, uint64_t * y1, uint64_t * x2, uint64_t * y2)
+{
+	uint64_t t5[ECDSA256_NUM_DIGITS];
+	uint64_t t6[ECDSA256_NUM_DIGITS];
+	uint64_t t7[ECDSA256_NUM_DIGITS];
+
+	vli_modsub(t5, x2, x1, curve_p);
+	vli_modSquare_fast(t5, t5);
+	vli_modMult_fast(x1, x1, t5);
+	vli_modMult_fast(x2, x2, t5);
+	vli_modadd(t5, y2, y1, curve_p);
+	vli_modsub(y2, y2, y1, curve_p);
+	vli_modsub(t6, x2, x1, curve_p);
+	vli_modMult_fast(y1, y1, t6);
+	vli_modadd(t6, x1, x2, curve_p);
+	vli_modSquare_fast(x2, y2);
+	vli_modsub(x2, x2, t6, curve_p);
+	vli_modsub(t7, x1, x2, curve_p);
+	vli_modMult_fast(y2, y2, t7);
+	vli_modsub(y2, y2, y1, curve_p);
+	vli_modSquare_fast(t7, t5);
+	vli_modsub(t7, t7, t6, curve_p);
+	vli_modsub(t6, t7, x1, curve_p);
+	vli_modMult_fast(t6, t6, t5);
+	vli_modsub(y1, t6, y1, curve_p);
+	vli_set(x1, t7);
+}
+
+static void eccpoint_mult(struct ecdsa256_point_t * result, struct ecdsa256_point_t * point, uint64_t * scalar, uint64_t * initialz)
+{
+	uint64_t Rx[2][ECDSA256_NUM_DIGITS];
+	uint64_t Ry[2][ECDSA256_NUM_DIGITS];
+	uint64_t z[ECDSA256_NUM_DIGITS];
+	int i, nb;
+
+	vli_set(Rx[1], point->x);
+	vli_set(Ry[1], point->y);
+	xycz_initial_double(Rx[1], Ry[1], Rx[0], Ry[0], initialz);
+	for(i = vli_numbits(scalar) - 2; i > 0; --i)
+	{
+		nb = !vli_testbit(scalar, i);
+		xycz_addc(Rx[1 - nb], Ry[1 - nb], Rx[nb], Ry[nb]);
+		xycz_add(Rx[nb], Ry[nb], Rx[1 - nb], Ry[1 - nb]);
+	}
+	nb = !vli_testbit(scalar, 0);
+	xycz_addc(Rx[1 - nb], Ry[1 - nb], Rx[nb], Ry[nb]);
+	vli_modsub(z, Rx[1], Rx[0], curve_p);
+	vli_modMult_fast(z, z, Ry[1 - nb]);
+	vli_modMult_fast(z, z, point->x);
+	vli_modinv(z, z, curve_p);
+	vli_modMult_fast(z, z, point->y);
+	vli_modMult_fast(z, z, Rx[1 - nb]);
+	xycz_add(Rx[nb], Ry[nb], Rx[1 - nb], Ry[1 - nb]);
+	apply_z(Rx[0], Ry[0], z);
+	vli_set(result->x, Rx[0]);
+	vli_set(result->y, Ry[0]);
+}
+
+static void ecc_bytes2native(uint64_t * native, const uint8_t * bytes)
+{
+	int i;
+
+	for(i = 0; i < ECDSA256_NUM_DIGITS; i++)
+	{
+		const uint8_t * digit = bytes + 8 * (ECDSA256_NUM_DIGITS - 1 - i);
+		native[i] = ((uint64_t)digit[0] << 56) | ((uint64_t)digit[1] << 48) | ((uint64_t)digit[2] << 40) | ((uint64_t)digit[3] << 32)
+		        | ((uint64_t)digit[4] << 24) | ((uint64_t)digit[5] << 16) | ((uint64_t)digit[6] << 8) | (uint64_t)digit[7];
+	}
+}
+
+static void ecc_native2bytes(uint8_t * bytes, const uint64_t * native)
+{
+	int i;
+
+	for(i = 0; i < ECDSA256_NUM_DIGITS; i++)
+	{
+		uint8_t *digit = bytes + 8 * (ECDSA256_NUM_DIGITS - 1 - i);
+		digit[0] = native[i] >> 56;
+		digit[1] = native[i] >> 48;
+		digit[2] = native[i] >> 40;
+		digit[3] = native[i] >> 32;
+		digit[4] = native[i] >> 24;
+		digit[5] = native[i] >> 16;
+		digit[6] = native[i] >> 8;
+		digit[7] = native[i];
+	}
+}
+
+static void mod_sqrt(uint64_t * a)
+{
+	uint64_t p1[ECDSA256_NUM_DIGITS] = { 1 };
+	uint64_t result[ECDSA256_NUM_DIGITS] = { 1 };
+	int i;
+
+	vli_add(p1, curve_p, p1);
+	for(i = vli_numbits(p1) - 1; i > 1; --i)
+	{
+		vli_modSquare_fast(result, result);
+		if(vli_testbit(p1, i))
+			vli_modMult_fast(result, result, a);
+	}
+	vli_set(a, result);
+}
+
+static void ecc_point_decompress(struct ecdsa256_point_t * point, const uint8_t * compressed)
+{
+	uint64_t _3[ECDSA256_NUM_DIGITS] = { 3 };
+
+	ecc_bytes2native(point->x, compressed + 1);
+	vli_modSquare_fast(point->y, point->x);
+	vli_modsub(point->y, point->y, _3, curve_p);
+	vli_modMult_fast(point->y, point->y, point->x);
+	vli_modadd(point->y, point->y, curve_b, curve_p);
+	mod_sqrt(point->y);
+	if((point->y[0] & 0x01) != (compressed[0] & 0x01))
+		vli_sub(point->y, curve_p, point->y);
+}
+
+static void vli_modmult(uint64_t * result, uint64_t * left, uint64_t * right, uint64_t * mod)
+{
+	uint64_t product[2 * ECDSA256_NUM_DIGITS];
+	uint64_t modmultiple[2 * ECDSA256_NUM_DIGITS];
+	unsigned int digitshift, bitshift;
+	unsigned int productbits;
+	unsigned int modbits = vli_numbits(mod);
+
+	vli_mult(product, left, right);
+	productbits = vli_numbits(product + ECDSA256_NUM_DIGITS);
+	if(productbits)
+		productbits += ECDSA256_NUM_DIGITS * 64;
+	else
+		productbits = vli_numbits(product);
+	if(productbits < modbits)
+	{
+		vli_set(result, product);
+		return;
+	}
+	vli_clear(modmultiple);
+	vli_clear(modmultiple + ECDSA256_NUM_DIGITS);
+	digitshift = (productbits - modbits) / 64;
+	bitshift = (productbits - modbits) % 64;
+	if(bitshift)
+		modmultiple[digitshift + ECDSA256_NUM_DIGITS] = vli_lshift(modmultiple + digitshift, mod, bitshift);
+	else
+		vli_set(modmultiple + digitshift, mod);
+	vli_clear(result);
+	result[0] = 1;
+	while(productbits > ECDSA256_NUM_DIGITS * 64 || vli_cmp(modmultiple, mod) >= 0)
+	{
+		int l_cmp = vli_cmp(modmultiple + ECDSA256_NUM_DIGITS, product + ECDSA256_NUM_DIGITS);
+		if(l_cmp < 0 || (l_cmp == 0 && vli_cmp(modmultiple, product) <= 0))
+		{
+			if(vli_sub(product, product, modmultiple))
+				vli_sub(product + ECDSA256_NUM_DIGITS, product + ECDSA256_NUM_DIGITS, result);
+			vli_sub(product + ECDSA256_NUM_DIGITS, product + ECDSA256_NUM_DIGITS, modmultiple + ECDSA256_NUM_DIGITS);
+		}
+		uint64_t carry = (modmultiple[ECDSA256_NUM_DIGITS] & 0x01) << 63;
+		vli_rshift1(modmultiple + ECDSA256_NUM_DIGITS);
+		vli_rshift1(modmultiple);
+		modmultiple[ECDSA256_NUM_DIGITS - 1] |= carry;
+		--productbits;
+	}
+	vli_set(result, product);
+}
+
+static unsigned int umax(unsigned int a, unsigned int b)
+{
+	return (a > b ? a : b);
+}
+
+int ecdh256_keygen(const uint8_t * public, const uint8_t * private, uint8_t * shared)
+{
+	struct ecdsa256_point_t lpublic;
+	struct ecdsa256_point_t product;
+	uint64_t lprivate[ECDSA256_NUM_DIGITS];
+	uint64_t lrandom[ECDSA256_NUM_DIGITS];
+
+	if(!get_random_number(lrandom))
+		return 0;
+	ecc_point_decompress(&lpublic, public);
+	ecc_bytes2native(lprivate, private);
+	eccpoint_mult(&product, &lpublic, lprivate, lrandom);
+	ecc_native2bytes(shared, product.x);
+	return !eccpoint_iszero(&product);
+}
+
+int ecdsa256_keygen(uint8_t * public, uint8_t * private)
+{
+	uint64_t lprivate[ECDSA256_NUM_DIGITS];
+	struct ecdsa256_point_t lpublic;
+	int retry = 0;
+
+	do
+	{
+		if(!get_random_number(lprivate) || (retry++ >= MAX_RETRY))
+			return 0;
+		if(vli_iszero(lprivate))
+			continue;
+		if(vli_cmp(curve_n, lprivate) != 1)
+			vli_sub(lprivate, lprivate, curve_n);
+		eccpoint_mult(&lpublic, &curve_g, lprivate, NULL);
+	} while(eccpoint_iszero(&lpublic));
+	ecc_native2bytes(private, lprivate);
+	ecc_native2bytes(public + 1, lpublic.x);
+	public[0] = 2 + (lpublic.y[0] & 0x01);
+
+	return 1;
+}
+
+int ecdsa256_sign(const uint8_t * private, const uint8_t * sha256, uint8_t * signature)
+{
+	uint64_t k[ECDSA256_NUM_DIGITS];
+	uint64_t tmp[ECDSA256_NUM_DIGITS];
+	uint64_t s[ECDSA256_NUM_DIGITS];
+	struct ecdsa256_point_t p;
+	int retry = 0;
+
+	do
+	{
+		if(!get_random_number(k) || (retry++ >= MAX_RETRY))
+			return 0;
+		if(vli_iszero(k))
+			continue;
+		if(vli_cmp(curve_n, k) != 1)
+			vli_sub(k, k, curve_n);
+		eccpoint_mult(&p, &curve_g, k, NULL);
+		if(vli_cmp(curve_n, p.x) != 1)
+			vli_sub(p.x, p.x, curve_n);
+	} while(vli_iszero(p.x));
+	ecc_native2bytes(signature, p.x);
+	ecc_bytes2native(tmp, private);
+	vli_modmult(s, p.x, tmp, curve_n);
+	ecc_bytes2native(tmp, sha256);
+	vli_modadd(s, tmp, s, curve_n);
+	vli_modinv(k, k, curve_n);
+	vli_modmult(s, s, k, curve_n);
+	ecc_native2bytes(signature + ECDSA256_BYTES, s);
+
+	return 1;
+}
+
+int ecdsa256_verify(const uint8_t * public, const uint8_t * sha256, const uint8_t * signature)
+{
+	uint64_t u1[ECDSA256_NUM_DIGITS], u2[ECDSA256_NUM_DIGITS];
+	uint64_t z[ECDSA256_NUM_DIGITS];
+	struct ecdsa256_point_t lpublic, sum;
+	uint64_t rx[ECDSA256_NUM_DIGITS];
+	uint64_t ry[ECDSA256_NUM_DIGITS];
+	uint64_t tx[ECDSA256_NUM_DIGITS];
+	uint64_t ty[ECDSA256_NUM_DIGITS];
+	uint64_t tz[ECDSA256_NUM_DIGITS];
+	uint64_t r[ECDSA256_NUM_DIGITS], s[ECDSA256_NUM_DIGITS];
+	int i;
+
+	ecc_point_decompress(&lpublic, public);
+	ecc_bytes2native(r, signature);
+	ecc_bytes2native(s, signature + ECDSA256_BYTES);
+	if(vli_iszero(r) || vli_iszero(s))
+		return 0;
+	if(vli_cmp(curve_n, r) != 1 || vli_cmp(curve_n, s) != 1)
+		return 0;
+	vli_modinv(z, s, curve_n);
+	ecc_bytes2native(u1, sha256);
+	vli_modmult(u1, u1, z, curve_n);
+	vli_modmult(u2, r, z, curve_n);
+	vli_set(sum.x, lpublic.x);
+	vli_set(sum.y, lpublic.y);
+	vli_set(tx, curve_g.x);
+	vli_set(ty, curve_g.y);
+	vli_modsub(z, sum.x, tx, curve_p);
+	xycz_add(tx, ty, sum.x, sum.y);
+	vli_modinv(z, z, curve_p);
+	apply_z(sum.x, sum.y, z);
+	struct ecdsa256_point_t * points[4] = { NULL, &curve_g, &lpublic, &sum };
+	unsigned int numbits = umax(vli_numbits(u1), vli_numbits(u2));
+	struct ecdsa256_point_t * point = points[(!!vli_testbit(u1, numbits - 1)) | ((!!vli_testbit(u2, numbits - 1)) << 1)];
+	vli_set(rx, point->x);
+	vli_set(ry, point->y);
+	vli_clear(z);
+	z[0] = 1;
+	for(i = numbits - 2; i >= 0; --i)
+	{
+		eccpoint_double_jacobian(rx, ry, z);
+		int index = (!!vli_testbit(u1, i)) | ((!!vli_testbit(u2, i)) << 1);
+		struct ecdsa256_point_t * point = points[index];
+		if(point)
+		{
+			vli_set(tx, point->x);
+			vli_set(ty, point->y);
+			apply_z(tx, ty, z);
+			vli_modsub(tz, rx, tx, curve_p);
+			xycz_add(tx, ty, rx, ry);
+			vli_modMult_fast(z, z, tz);
+		}
+	}
+	vli_modinv(z, z, curve_p);
+	apply_z(rx, ry, z);
+	if(vli_cmp(curve_n, rx) != 1)
+		vli_sub(rx, rx, curve_n);
+	return (vli_cmp(rx, r) == 0);
+}

ecdsa256.h

@@ -0,0 +1,25 @@
+#ifndef __ECDSA256_H__
+#define __ECDSA256_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <x.h>
+
+#define ECDSA256_BYTES				(32)
+#define ECDSA256_SHARED_KEY_SIZE	(ECDSA256_BYTES)
+#define ECDSA256_PRIVATE_KEY_SIZE	(ECDSA256_BYTES)
+#define ECDSA256_PUBLIC_KEY_SIZE	(ECDSA256_BYTES + 1)
+#define ECDSA256_SIGNATURE_SIZE		(ECDSA256_BYTES * 2)
+
+int ecdh256_keygen(const uint8_t * public, const uint8_t * private, uint8_t * shared);
+int ecdsa256_keygen(uint8_t * public, uint8_t * private);
+int ecdsa256_sign(const uint8_t * private, const uint8_t * sha256, uint8_t * signature);
+int ecdsa256_verify(const uint8_t * public, const uint8_t * sha256, const uint8_t * signature);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ECDSA256_H__ */

fel.c

@@ -7,6 +7,8 @@ extern struct chip_t a23;
 extern struct chip_t a31;
 extern struct chip_t a33_r16;
 extern struct chip_t a40i_r40;
+extern struct chip_t a50;
+extern struct chip_t a523_a527_t527;
 extern struct chip_t a64;
 extern struct chip_t a80;
 extern struct chip_t a83t;
@@ -16,13 +18,20 @@ extern struct chip_t h2_h3;
 extern struct chip_t h5;
 extern struct chip_t h6;
 extern struct chip_t h616;
+extern struct chip_t r128;
 extern struct chip_t r328;
 extern struct chip_t r329;
-extern struct chip_t r528;
-extern struct chip_t t507;
+extern struct chip_t r528_t113;
+extern struct chip_t r818;
 extern struct chip_t v3s_s3;
 extern struct chip_t v536;
 extern struct chip_t v831;
+extern struct chip_t v851_v853;
+extern struct chip_t v821;
+extern struct chip_t a733;
+extern struct chip_t t536;
+extern struct chip_t a537_a333;
+
 
 static struct chip_t * chips[] = {
 	&a10,
@@ -32,6 +41,8 @@ static struct chip_t * chips[] = {
 	&a31,
 	&a33_r16,
 	&a40i_r40,
+	&a50,
+	&a523_a527_t527,
 	&a64,
 	&a80,
 	&a83t,
@@ -41,13 +52,19 @@ static struct chip_t * chips[] = {
 	&h5,
 	&h6,
 	&h616,
+	&r128,
 	&r328,
 	&r329,
-	&r528,
-	&t507,
+	&r528_t113,
+	&r818,
 	&v3s_s3,
 	&v536,
 	&v831,
+	&v851_v853,
+	&v821,
+	&a733,
+	&t536,
+	&a537_a333,
 };
 
 struct usb_request_t {
@@ -183,6 +200,10 @@ int fel_init(struct xfel_ctx_t * ctx)
 		const struct libusb_interface * iface;
 		const struct libusb_interface_descriptor * setting;
 		const struct libusb_endpoint_descriptor * ep;
+
+		if(libusb_kernel_driver_active(ctx->hdl, 0))
+			libusb_detach_kernel_driver(ctx->hdl, 0);
+
 		if(libusb_claim_interface(ctx->hdl, 0) == 0)
 		{
 			if(libusb_get_active_config_descriptor(libusb_get_device(ctx->hdl), &config) == 0)

fel.h

@@ -6,6 +6,7 @@ extern "C" {
 #endif
 
 #include <x.h>
+#include <misc.h>
 #include <progress.h>
 
 struct xfel_ctx_t;
@@ -37,6 +38,7 @@ struct chip_t {
 	int (*ddr)(struct xfel_ctx_t * ctx, const char * type);
 	int (*spi_init)(struct xfel_ctx_t * ctx, uint32_t * swapbuf, uint32_t * swaplen, uint32_t * cmdlen);
 	int (*spi_run)(struct xfel_ctx_t * ctx, uint8_t * cbuf, uint32_t clen);
+	int (*extra)(struct xfel_ctx_t * ctx, int argc, char * argv[]);
 };
 
 enum {
@@ -61,37 +63,58 @@ enum {
 
 static inline int fel_chip_detect(struct xfel_ctx_t * ctx, uint32_t id)
 {
-	return ctx->chip->detect(ctx, id);
+	if(ctx->chip->detect)
+		return ctx->chip->detect(ctx, id);
+	return 0;
 }
 
 static inline int fel_chip_reset(struct xfel_ctx_t * ctx)
 {
-	return ctx->chip->reset(ctx);
+	if(ctx->chip->reset)
+		return ctx->chip->reset(ctx);
+	return 0;
 }
 
 static inline int fel_chip_sid(struct xfel_ctx_t * ctx, char * sid)
 {
-	return ctx->chip->sid(ctx, sid);
+	if(ctx->chip->sid)
+		return ctx->chip->sid(ctx, sid);
+	return 0;
 }
 
 static inline int fel_chip_jtag(struct xfel_ctx_t * ctx)
 {
-	return ctx->chip->jtag(ctx);
+	if(ctx->chip->jtag)
+		return ctx->chip->jtag(ctx);
+	return 0;
 }
 
 static inline int fel_chip_ddr(struct xfel_ctx_t * ctx, const char * type)
 {
-	return ctx->chip->ddr(ctx, type);
+	if(ctx->chip->ddr)
+		return ctx->chip->ddr(ctx, type);
+	return 0;
 }
 
 static inline int fel_chip_spi_init(struct xfel_ctx_t * ctx, uint32_t * swapbuf, uint32_t * swaplen, uint32_t * cmdlen)
 {
-	return ctx->chip->spi_init(ctx, swapbuf, swaplen, cmdlen);
+	if(ctx->chip->spi_init)
+		return ctx->chip->spi_init(ctx, swapbuf, swaplen, cmdlen);
+	return 0;
 }
 
 static inline int fel_chip_spi_run(struct xfel_ctx_t * ctx, uint8_t * cbuf, uint32_t clen)
 {
-	return ctx->chip->spi_run(ctx, cbuf, clen);
+	if(ctx->chip->spi_run)
+		return ctx->chip->spi_run(ctx, cbuf, clen);
+	return 0;
+}
+
+static inline int fel_chip_extra(struct xfel_ctx_t * ctx, int argc, char * argv[])
+{
+	if(ctx->chip->extra)
+		return ctx->chip->extra(ctx, argc, argv);
+	return 0;
 }
 
 int fel_init(struct xfel_ctx_t * ctx);

main.c

@@ -1,100 +1,27 @@
 #include <fel.h>
+#include <sha256.h>
+#include <ecdsa256.h>
 #include <spinor.h>
 #include <spinand.h>
-
-static uint64_t file_save(const char * filename, void * buf, uint64_t len)
-{
-	FILE * out = fopen(filename, "wb");
-	int r;
-	if(!out)
-	{
-		perror("Failed to open output file");
-		exit(-1);
-	}
-	r = fwrite(buf, len, 1, out);
-	fclose(out);
-	return r;
-}
-
-static void * file_load(const char * filename, uint64_t * len)
-{
-	uint64_t offset = 0, bufsize = 8192;
-	char * buf = malloc(bufsize);
-	FILE * in;
-	if(strcmp(filename, "-") == 0)
-		in = stdin;
-	else
-		in = fopen(filename, "rb");
-	if(!in)
-	{
-		perror("Failed to open input file");
-		exit(-1);
-	}
-	while(1)
-	{
-		uint64_t len = bufsize - offset;
-		uint64_t n = fread(buf + offset, 1, len, in);
-		offset += n;
-		if(n < len)
-			break;
-		bufsize *= 2;
-		buf = realloc(buf, bufsize);
-		if(!buf)
-		{
-			perror("Failed to resize load_file() buffer");
-			exit(-1);
-		}
-	}
-	if(len)
-		*len = offset;
-	if(in != stdin)
-		fclose(in);
-	return buf;
-}
-
-static void hexdump(uint32_t addr, void * buf, size_t len)
-{
-	unsigned char * p = buf;
-	size_t i, j;
-
-	for(j = 0; j < len; j += 16)
-	{
-		printf("%08x: ", (uint32_t)(addr + j));
-		for(i = 0; i < 16; i++)
-		{
-			if(j + i < len)
-				printf("%02x ", p[j + i]);
-			else
-				printf("   ");
-		}
-		putchar(' ');
-		for(i = 0; i < 16; i++)
-		{
-			if(j + i >= len)
-				putchar(' ');
-			else
-				putchar(isprint(p[j + i]) ? p[j + i] : '.');
-		}
-		printf("\r\n");
-	}
-}
+#include <libusb.h>
 
 static void usage(void)
 {
-	printf("xfel(v1.2.4) - https://github.com/xboot/xfel\r\n");
+	printf("xfel(v1.3.3) - https://github.com/xboot/xfel\r\n");
 	printf("usage:\r\n");
 	printf("    xfel version                                        - Show chip version\r\n");
 	printf("    xfel hexdump <address> <length>                     - Dumps memory region in hex\r\n");
 	printf("    xfel dump <address> <length>                        - Binary memory dump to stdout\r\n");
-	printf("    xfel exec <address>                                 - Call function address\r\n");
 	printf("    xfel read32 <address>                               - Read 32-bits value from device memory\r\n");
 	printf("    xfel write32 <address> <value>                      - Write 32-bits value to device memory\r\n");
 	printf("    xfel read <address> <length> <file>                 - Read memory to file\r\n");
 	printf("    xfel write <address> <file>                         - Write file to memory\r\n");
+	printf("    xfel exec <address>                                 - Call function address\r\n");
 	printf("    xfel reset                                          - Reset device using watchdog\r\n");
 	printf("    xfel sid                                            - Show sid information\r\n");
 	printf("    xfel jtag                                           - Enable jtag debug\r\n");
 	printf("    xfel ddr [type]                                     - Initial ddr controller with optional type\r\n");
+	printf("    xfel sign <public-key> <private-key> <file>         - Generate ecdsa256 signature file for sha256 of sid\r\n");
 	printf("    xfel spinor                                         - Detect spi nor flash\r\n");
 	printf("    xfel spinor erase <address> <length>                - Erase spi nor flash\r\n");
 	printf("    xfel spinor read <address> <length> <file>          - Read spi nor flash to file\r\n");
@@ -104,11 +31,12 @@ static void usage(void)
 	printf("    xfel spinand read <address> <length> <file>         - Read spi nand flash to file\r\n");
 	printf("    xfel spinand write <address> <file>                 - Write file to spi nand flash\r\n");
 	printf("    xfel spinand splwrite <split-size> <address> <file> - Write file to spi nand flash with split support\r\n");
+	printf("    xfel extra [...]                                    - The extra commands\r\n");
 }
 
 int main(int argc, char * argv[])
 {
-	struct xfel_ctx_t ctx;
+	struct xfel_ctx_t ctx = { 0 };
 
 	if(argc < 2)
 	{
@@ -124,11 +52,27 @@ int main(int argc, char * argv[])
 		}
 	}
 
-	libusb_init(NULL);
-	ctx.hdl = libusb_open_device_with_vid_pid(NULL, 0x1f3a, 0xefe8);
+	libusb_device ** list = NULL;
+	libusb_context * context = NULL;
+	libusb_init(&context);
+	int count = libusb_get_device_list(context, &list);
+	for(int i = 0; i < count; i++)
+	{
+		libusb_device * device = list[i];
+		struct libusb_device_descriptor desc;
+		if(libusb_get_device_descriptor(device, &desc) != 0)
+			printf("ERROR: Can't get device list\r\n");
+		if((desc.idVendor == 0x1f3a) && (desc.idProduct == 0xefe8))
+		{
+			if(libusb_open(device, &ctx.hdl) != 0)
+				printf("ERROR: Can't connect to device\r\n");
+			break;
+		}
+	}
+
 	if(!fel_init(&ctx))
 	{
-		printf("ERROR: Can't found any FEL device\r\n");
+		printf("ERROR: No FEL device found!\r\n");
 		if(ctx.hdl)
 			libusb_close(ctx.hdl);
 		libusb_exit(NULL);
@@ -178,18 +122,6 @@ int main(int argc, char * argv[])
 		else
 			usage();
 	}
-	else if(!strcmp(argv[1], "exec"))
-	{
-		argc -= 2;
-		argv += 2;
-		if(argc == 1)
-		{
-			uint32_t addr = strtoul(argv[0], NULL, 0);
-			fel_exec(&ctx, addr);
-		}
-		else
-			usage();
-	}
 	else if(!strcmp(argv[1], "read32"))
 	{
 		argc -= 2;
@@ -209,7 +141,7 @@ int main(int argc, char * argv[])
 		if(argc == 2)
 		{
 			uint32_t addr = strtoul(argv[0], NULL, 0);
-			size_t val = strtoul(argv[1], NULL, 0);
+			uint32_t val = strtoul(argv[1], NULL, 0);
 			fel_write32(&ctx, addr, val);
 		}
 		else
@@ -252,6 +184,18 @@ int main(int argc, char * argv[])
 		else
 			usage();
 	}
+	else if(!strcmp(argv[1], "exec"))
+	{
+		argc -= 2;
+		argv += 2;
+		if(argc == 1)
+		{
+			uint32_t addr = strtoul(argv[0], NULL, 0);
+			fel_exec(&ctx, addr);
+		}
+		else
+			usage();
+	}
 	else if(!strcmp(argv[1], "reset"))
 	{
 		if(!fel_chip_reset(&ctx))
@@ -274,11 +218,79 @@ int main(int argc, char * argv[])
 	{
 		argc -= 2;
 		argv += 2;
-		if(fel_chip_ddr(&ctx, (argc == 1) ? argv[0] : NULL))
-			printf("Initial ddr controller succeeded\r\n");
-		else
+		if(!fel_chip_ddr(&ctx, (argc == 1) ? argv[0] : ""))
 			printf("Failed to initial ddr controller\r\n");
 	}
+	else if(!strcmp(argv[1], "sign"))
+	{
+		argc -= 2;
+		argv += 2;
+		if(argc == 3)
+		{
+			uint8_t public_key[33] = {
+				0x03, 0xcf, 0xd1, 0x8e, 0x4a, 0x4b, 0x40, 0xd6,
+				0x52, 0x94, 0x48, 0xaa, 0x2d, 0xf8, 0xbb, 0xb6,
+				0x77, 0x12, 0x82, 0x58, 0xb8, 0xfb, 0xfc, 0x5b,
+				0x9e, 0x49, 0x2f, 0xbb, 0xba, 0x4e, 0x84, 0x83,
+				0x2f,
+			};
+			uint8_t private_key[32] = {
+				0xdc, 0x57, 0xb8, 0xa9, 0xe0, 0xe2, 0xb7, 0xf8,
+				0xb4, 0xc9, 0x29, 0xbd, 0x8d, 0xb2, 0x84, 0x4e,
+				0x53, 0xf0, 0x1f, 0x17, 0x1b, 0xbc, 0xdf, 0x6e,
+				0x62, 0x89, 0x08, 0xdb, 0xf2, 0xb2, 0xe6, 0xa9,
+			};
+			char * p = argv[0];
+			if(p && (strcmp(p, "") != 0) && (strlen(p) == sizeof(public_key) * 2))
+			{
+				for(int i = 0; i < sizeof(public_key); i++)
+					public_key[i] = hex_string(p, i * 2);
+			}
+			char * q = argv[1];
+			if(q && (strcmp(q, "") != 0) && (strlen(q) == sizeof(private_key) * 2))
+			{
+				for(int i = 0; i < sizeof(private_key); i++)
+					private_key[i] = hex_string(q, i * 2);
+			}
+			char sid[256];
+			uint8_t sha256[32];
+			uint8_t signature[64];
+			if(fel_chip_sid(&ctx, sid))
+			{
+				sha256_hash(sid, strlen(sid), sha256);
+				ecdsa256_sign(private_key, sha256, signature);
+				printf("Unique ID:\r\n\t");
+				printf("%s\r\n", sid);
+				printf("Sha256 digest:\r\n\t");
+				for(int i = 0; i < sizeof(sha256); i++)
+					printf("%02x", sha256[i]);
+				printf("\r\n");
+				printf("Ecdsa256 public key:\r\n\t");
+				for(int i = 0; i < sizeof(public_key); i++)
+					printf("%02x", public_key[i]);
+				printf("\r\n");
+				printf("Ecdsa256 private key:\r\n\t");
+				for(int i = 0; i < sizeof(private_key); i++)
+					printf("%02x", private_key[i]);
+				printf("\r\n");
+				printf("Ecdsa256 signature:\r\n\t");
+				for(int i = 0; i < sizeof(signature); i++)
+					printf("%02x", signature[i]);
+				printf("\r\n");
+				if(ecdsa256_verify(public_key, sha256, signature))
+				{
+					file_save(argv[2], signature, sizeof(signature));
+					printf("Ecdsa256 signature verify successed and saved to '%s'.\r\n", argv[2]);
+				}
+				else
+					printf("Ecdsa256 signature verify failed, please check the ecdsa256 public and private key.\r\n");
+			}
+			else
+				printf("The '%s' chip don't support sid command\r\n", ctx.chip->name);
+		}
+		else
+			usage();
+	}
 	else if(!strcmp(argv[1], "spinor"))
 	{
 		argc -= 2;
@@ -295,7 +307,7 @@ int main(int argc, char * argv[])
 		}
 		else
 		{
-			if(!strcmp(argv[0], "erase") && (argc == 2))
+			if(!strcmp(argv[0], "erase") && (argc == 3))
 			{
 				argc -= 1;
 				argv += 1;
@@ -354,7 +366,7 @@ int main(int argc, char * argv[])
 		}
 		else
 		{
-			if(!strcmp(argv[0], "erase") && (argc == 2))
+			if(!strcmp(argv[0], "erase") && (argc == 3))
 			{
 				argc -= 1;
 				argv += 1;
@@ -412,6 +424,13 @@ int main(int argc, char * argv[])
 				usage();
 		}
 	}
+	else if(!strcmp(argv[1], "extra"))
+	{
+		argc -= 2;
+		argv += 2;
+		if(!fel_chip_extra(&ctx, argc, argv))
+			printf("Not support any extra commands\r\n");
+	}
 	else
 		usage();
 	if(ctx.hdl)

misc.c

@@ -0,0 +1,100 @@
+#include <misc.h>
+
+uint64_t file_save(const char * filename, void * buf, uint64_t len)
+{
+	FILE * out;
+	int r;
+
+	if(strcmp(filename, "-") == 0)
+		out = stdout;
+	else
+		out = fopen(filename, "wb");
+	if(!out)
+	{
+		perror("Failed to open output file");
+		exit(-1);
+	}
+	r = fwrite(buf, len, 1, out);
+	if(out != stdout)
+		fclose(out);
+	return r;
+}
+
+void * file_load(const char * filename, uint64_t * len)
+{
+	uint64_t offset = 0, bufsize = 8192;
+	char * buf = malloc(bufsize);
+	FILE * in;
+	if(strcmp(filename, "-") == 0)
+		in = stdin;
+	else
+		in = fopen(filename, "rb");
+	if(!in)
+	{
+		perror("Failed to open input file");
+		exit(-1);
+	}
+	while(1)
+	{
+		uint64_t len = bufsize - offset;
+		uint64_t n = fread(buf + offset, 1, len, in);
+		offset += n;
+		if(n < len)
+			break;
+		bufsize *= 2;
+		buf = realloc(buf, bufsize);
+		if(!buf)
+		{
+			perror("Failed to resize load_file() buffer");
+			exit(-1);
+		}
+	}
+	if(len)
+		*len = offset;
+	if(in != stdin)
+		fclose(in);
+	return buf;
+}
+
+static inline unsigned char hex_to_bin(char c)
+{
+	if((c >= 'a') && (c <= 'f'))
+		return c - 'a' + 10;
+	if((c >= '0') && (c <= '9'))
+		return c - '0';
+	if((c >= 'A') && (c <= 'F'))
+		return c - 'A' + 10;
+	return 0;
+}
+
+unsigned char hex_string(const char * s, int o)
+{
+	return (hex_to_bin(s[o]) << 4) | hex_to_bin(s[o + 1]);
+}
+
+void hexdump(uint32_t addr, void * buf, size_t len)
+{
+	unsigned char * p = buf;
+	size_t i, j;
+
+	for(j = 0; j < len; j += 16)
+	{
+		printf("%08x: ", (uint32_t)(addr + j));
+		for(i = 0; i < 16; i++)
+		{
+			if(j + i < len)
+				printf("%02x ", p[j + i]);
+			else
+				printf("   ");
+		}
+		putchar(' ');
+		for(i = 0; i < 16; i++)
+		{
+			if(j + i >= len)
+				putchar(' ');
+			else
+				putchar(isprint(p[j + i]) ? p[j + i] : '.');
+		}
+		printf("\r\n");
+	}
+}

misc.h

@@ -0,0 +1,19 @@
+#ifndef __MISC_H__
+#define __MISC_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <x.h>
+
+uint64_t file_save(const char * filename, void * buf, uint64_t len);
+void * file_load(const char * filename, uint64_t * len);
+unsigned char hex_string(const char * s, int o);
+void hexdump(uint32_t addr, void * buf, size_t len);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __MISC_H__ */

payloads/a523_a527_t527/jmp-arm64/Makefile

@@ -0,0 +1,120 @@
+#
+# Top makefile
+#
+
+CROSS		?= arm-linux-gnueabihf-
+NAME		:= jmp-arm64
+
+#
+# System environment variable.
+#
+ifeq ($(OS), Windows_NT)
+	HOSTOS		:= windows
+else
+	ifneq (,$(findstring Linux, $(shell uname -a)))
+		HOSTOS	:= linux
+	endif
+endif
+
+#
+# Load default variables.
+#
+ASFLAGS		:= -g -ggdb -Wall -O3
+CFLAGS		:= -g -ggdb -Wall -O3
+CXXFLAGS	:= -g -ggdb -Wall -O3
+LDFLAGS		:= -T link.ld -nostdlib
+ARFLAGS		:= -rcs
+OCFLAGS		:= -v -O binary
+ODFLAGS		:=
+MCFLAGS		:= -march=armv7-a -mtune=cortex-a7 -mfpu=vfpv4 -mfloat-abi=hard -marm -mno-thumb-interwork -mno-unaligned-access -fno-stack-protector
+
+LIBDIRS		:=
+LIBS 		:=
+INCDIRS		:=
+SRCDIRS		:=
+
+#
+# Add external library
+#
+INCDIRS		+= include \
+			   include/external
+SRCDIRS		+= source \
+			   source/external
+
+#
+# You shouldn't need to change anything below this point.
+#
+AS			:= $(CROSS)gcc -x assembler-with-cpp
+CC			:= $(CROSS)gcc
+CXX			:= $(CROSS)g++
+LD			:= $(CROSS)ld
+AR			:= $(CROSS)ar
+OC			:= $(CROSS)objcopy
+OD			:= $(CROSS)objdump
+MKDIR		:= mkdir -p
+CP			:= cp -af
+RM			:= rm -fr
+CD			:= cd
+FIND		:= find
+
+#
+# X variables
+#
+X_ASFLAGS	:= $(MCFLAGS) $(ASFLAGS)
+X_CFLAGS	:= $(MCFLAGS) $(CFLAGS)
+X_CXXFLAGS	:= $(MCFLAGS) $(CXXFLAGS)
+X_LDFLAGS	:= $(LDFLAGS)
+X_OCFLAGS	:= $(OCFLAGS)
+X_LIBDIRS	:= $(LIBDIRS)
+X_LIBS		:= $(LIBS) -lgcc
+
+X_OUT		:= output
+X_NAME		:= $(patsubst %, $(X_OUT)/%, $(NAME))
+X_INCDIRS	:= $(patsubst %, -I %, $(INCDIRS))
+X_SRCDIRS	:= $(patsubst %, %, $(SRCDIRS))
+X_OBJDIRS	:= $(patsubst %, .obj/%, $(X_SRCDIRS))
+
+X_SFILES	:= $(foreach dir, $(X_SRCDIRS), $(wildcard $(dir)/*.S))
+X_CFILES	:= $(foreach dir, $(X_SRCDIRS), $(wildcard $(dir)/*.c))
+X_CPPFILES	:= $(foreach dir, $(X_SRCDIRS), $(wildcard $(dir)/*.cpp))
+
+X_SDEPS		:= $(patsubst %, .obj/%, $(X_SFILES:.S=.o.d))
+X_CDEPS		:= $(patsubst %, .obj/%, $(X_CFILES:.c=.o.d))
+X_CPPDEPS	:= $(patsubst %, .obj/%, $(X_CPPFILES:.cpp=.o.d))
+X_DEPS		:= $(X_SDEPS) $(X_CDEPS) $(X_CPPDEPS)
+
+X_SOBJS		:= $(patsubst %, .obj/%, $(X_SFILES:.S=.o))
+X_COBJS		:= $(patsubst %, .obj/%, $(X_CFILES:.c=.o))
+X_CPPOBJS	:= $(patsubst %, .obj/%, $(X_CPPFILES:.cpp=.o)) 
+X_OBJS		:= $(X_SOBJS) $(X_COBJS) $(X_CPPOBJS)
+
+VPATH		:= $(X_OBJDIRS)
+
+.PHONY:	all clean
+all : $(X_NAME)
+
+$(X_NAME) : $(X_OBJS)
+	@echo [LD] Linking $@.elf
+	@$(CC) $(X_LDFLAGS) $(X_LIBDIRS) -Wl,--cref,-Map=$@.map $^ -o $@.elf $(X_LIBS)
+	@echo [OC] Objcopying $@.bin
+	@$(OC) $(X_OCFLAGS) $@.elf $@.bin
+
+$(X_SOBJS) : .obj/%.o : %.S
+	@echo [AS] $<
+	@$(AS) $(X_ASFLAGS) -MD -MP -MF $@.d $(X_INCDIRS) -c $< -o $@
+
+$(X_COBJS) : .obj/%.o : %.c
+	@echo [CC] $<
+	@$(CC) $(X_CFLAGS) -MD -MP -MF $@.d $(X_INCDIRS) -c $< -o $@
+
+$(X_CPPOBJS) : .obj/%.o : %.cpp
+	@echo [CXX] $<
+	@$(CXX) $(X_CXXFLAGS) -MD -MP -MF $@.d $(X_INCDIRS) -c $< -o $@
+
+clean:
+	@$(RM) .obj $(X_OUT)
+
+#
+# Include the dependency files, should be place the last of makefile
+#
+sinclude $(shell $(MKDIR) $(X_OBJDIRS) $(X_OUT)) $(X_DEPS)

payloads/a523_a527_t527/jmp-arm64/include/t527/reg-ccu.h

@@ -0,0 +1,6 @@
+#ifndef __T527_REG_CCU_H__
+#define __T527_REG_CCU_H__
+
+#define T527_CCU_BASE			(0x02001000)
+
+#endif /* __T527_REG_CCU_H__ */

payloads/a523_a527_t527/jmp-arm64/link.ld

@@ -0,0 +1,122 @@
+OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+
+STACK_UND_SIZE = 0x010;
+STACK_ABT_SIZE = 0x010;
+STACK_IRQ_SIZE = 0x010;
+STACK_FIQ_SIZE = 0x010;
+STACK_SRV_SIZE = 0x400;
+
+MEMORY
+{
+	ram : org = 0x00020000, len = 0x00002000	/* 8 KB */
+}
+
+SECTIONS
+{
+	.text :
+	{
+		PROVIDE(__image_start = .);
+		PROVIDE(__text_start = .);
+		.obj/source/start.o (.text)
+		.obj/source/sys-jmp-arm64.o (.text*)
+		*(.text*)
+		*(.glue*)
+		*(.note.gnu.build-id)
+		PROVIDE(__text_end = .);
+	} > ram
+
+	.ARM.exidx ALIGN(8) :
+	{
+		PROVIDE (__exidx_start = .);
+		*(.ARM.exidx*)
+		PROVIDE (__exidx_end = .);
+	} > ram
+
+	.ARM.extab ALIGN(8) :
+	{
+		PROVIDE (__extab_start = .);
+		*(.ARM.extab*)
+		PROVIDE (__extab_end = .);
+	} > ram
+
+	.ksymtab ALIGN(16) :
+	{
+		PROVIDE(__ksymtab_start = .);
+		KEEP(*(.ksymtab.text))
+		PROVIDE(__ksymtab_end = .);
+	} > ram
+
+	.romdisk ALIGN(8) :
+	{
+		PROVIDE(__romdisk_start = .);
+		KEEP(*(.romdisk))
+		PROVIDE(__romdisk_end = .);
+	} > ram
+
+	.rodata ALIGN(8) :
+	{
+		PROVIDE(__rodata_start = .);
+		*(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
+		PROVIDE(__rodata_end = .);
+	} > ram
+
+	.data ALIGN(8) :
+	{
+		PROVIDE(__data_start = .);
+		*(.data*)
+		. = ALIGN(8);
+  		PROVIDE(__data_end = .);
+		PROVIDE(__image_end = .);
+	} > ram
+
+	.bss ALIGN(8) (NOLOAD) :
+	{
+		PROVIDE(__bss_start = .);
+		*(.bss*)
+		*(.sbss*)
+		*(COMMON)
+		. = ALIGN(8);
+		PROVIDE(__bss_end = .);
+	} > ram
+
+	.stack ALIGN(8) (NOLOAD) :
+	{
+		PROVIDE(__stack_start = .);
+		PROVIDE(__stack_und_start = .);
+		. += STACK_UND_SIZE;
+		PROVIDE(__stack_und_end = .);
+		. = ALIGN(8);
+		PROVIDE(__stack_abt_start = .);
+		. += STACK_ABT_SIZE;
+		PROVIDE(__stack_abt_end = .);
+		. = ALIGN(8);
+		PROVIDE(__stack_irq_start = .);
+		. += STACK_IRQ_SIZE;
+		PROVIDE(__stack_irq_end = .);
+		. = ALIGN(8);
+		PROVIDE(__stack_fiq_start = .);
+		. += STACK_FIQ_SIZE;
+		PROVIDE(__stack_fiq_end = .);
+		. = ALIGN(8);
+		PROVIDE(__stack_srv_start = .);
+		. += STACK_SRV_SIZE;
+		PROVIDE(__stack_srv_end = .);
+		. = ALIGN(8);
+		PROVIDE(__stack_end = .);
+	} > ram
+
+	.stab 0 : { *(.stab) }
+	.stabstr 0 : { *(.stabstr) }
+	.stab.excl 0 : { *(.stab.excl) }
+	.stab.exclstr 0 : { *(.stab.exclstr) }
+	.stab.index 0 : { *(.stab.index) }
+	.stab.indexstr 0 : { *(.stab.indexstr) }
+	.comment 0 : { *(.comment) }
+	.debug_abbrev 0 : { *(.debug_abbrev) }
+	.debug_info 0 : { *(.debug_info) }
+	.debug_line 0 : { *(.debug_line) }
+	.debug_pubnames 0 : { *(.debug_pubnames) }
+	.debug_aranges 0 : { *(.debug_aranges) }
+}

payloads/a523_a527_t527/jmp-arm64/source/start.S

@@ -0,0 +1,69 @@
+/*
+ * start.S
+ *
+ * Copyright(c) 2007-2021 Jianjun Jiang <8192542@qq.com>
+ * Official site: http://xboot.org
+ * Mobile phone: +86-18665388956
+ * QQ: 8192542
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+	.global _start
+_start:
+	mov r0, #0
+	mcr p15, 0, r0, c8, c7, 0
+	mcr p15, 0, r0, c7, c5, 0
+	mcr p15, 0, r0, c7, c5, 6
+	mcr p15, 0, r0, c7, c10, 4
+	mcr p15, 0, r0, c7, c5, 4
+	b reset
+
+_adr:
+	.word 0x40000000
+
+reset:
+	ldr r0, =0x00047fe0
+	str sp, [r0, #0]
+	str lr, [r0, #4]
+	mrs lr, cpsr
+	str lr, [r0, #8]
+	mrc p15, 0, lr, c1, c0, 0
+	str lr, [r0, #12]
+	mrc p15, 0, lr, c12, c0, 0
+	str lr, [r0, #16]
+	mrc p15, 0, lr, c1, c0, 0
+	str lr, [r0, #20]
+
+	ldr r0, _adr
+	bl sys_jmp_to_arm64
+
+	ldr r0, =0x00047fe0
+	ldr sp, [r0, #0]
+	ldr lr, [r0, #4]
+	ldr r1, [r0, #20]
+	mcr p15, 0, r1, c1, c0, 0
+	ldr r1, [r0, #16]
+	mcr p15, 0, r1, c12, c0, 0
+	ldr r1, [r0, #12]
+	mcr p15, 0, r1, c1, c0, 0
+	ldr r1, [r0, #8]
+	msr cpsr, r1
+	bx lr

payloads/a523_a527_t527/jmp-arm64/source/sys-jmp-arm64.c

@@ -0,0 +1,47 @@
+/*
+ * sys-uart.c
+ *
+ * Copyright(c) 2007-2021 Jianjun Jiang <8192542@qq.com>
+ * Official site: http://xboot.org
+ * Mobile phone: +86-18665388956
+ * QQ: 8192542
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <xboot.h>
+
+void sys_jmp_to_arm64(uint32_t val)
+{
+	virtual_addr_t addr = 0x08000000;
+
+    write32(addr + 0x40, val);
+    write32(addr + 0x44, 0x0);
+
+    __asm__ __volatile__("mrc p15, 0, r2, c12, c0, 2");
+    __asm__ __volatile__("orr r2, r2, #(0x3 << 0)");
+    __asm__ __volatile__("dsb");
+    __asm__ __volatile__("mcr p15, 0, r2, c12, c0, 2");
+    __asm__ __volatile__("isb");
+
+_loop:
+    __asm__ __volatile__("wfi");
+    goto _loop;
+}

payloads/d1_f133/d1-ddr/Makefile

@@ -2,12 +2,9 @@
 # Top makefile
 #
 
-CROSS		?= ~/Xuantie-900-gcc-elf-newlib-x86_64-V2.0.3/bin/riscv64-unknown-elf-
+CROSS		?= ~/Xuantie-900-gcc-elf-newlib-x86_64-V2.2.4/bin/riscv64-unknown-elf-
 NAME		:= d1-ddr
 
-#
-# System environment variable.
-#
 #
 # System environment variable.
 #

payloads/d1_f133/f133-ddr/Makefile

@@ -2,12 +2,9 @@
 # Top makefile
 #
 
-CROSS		?= ~/Xuantie-900-gcc-elf-newlib-x86_64-V2.0.3/bin/riscv64-unknown-elf-
+CROSS		?= ~/Xuantie-900-gcc-elf-newlib-x86_64-V2.2.4/bin/riscv64-unknown-elf-
 NAME		:= f133-ddr
 
-#
-# System environment variable.
-#
 #
 # System environment variable.
 #

payloads/d1_f133/jtag/Makefile

@@ -2,12 +2,9 @@
 # Top makefile
 #
 
-CROSS		?= ~/test/tina-d1-open/prebuilt/gcc/linux-x86/riscv/toolchain-thead-glibc/riscv64-glibc-gcc-thead_20200702/bin/riscv64-unknown-linux-gnu-
+CROSS		?= ~/Xuantie-900-gcc-elf-newlib-x86_64-V2.2.4/bin/riscv64-unknown-elf-
 NAME		:= jtag
 
-#
-# System environment variable.
-#
 #
 # System environment variable.
 #

payloads/d1_f133/read32/Makefile

@@ -0,0 +1,120 @@
+#
+# Top makefile
+#
+
+CROSS		?= ~/Xuantie-900-gcc-elf-newlib-x86_64-V2.2.4/bin/riscv64-unknown-elf-
+NAME		:= read32
+
+#
+# System environment variable.
+#
+ifeq ($(OS), Windows_NT)
+	HOSTOS		:= windows
+else
+	ifneq (,$(findstring Linux, $(shell uname -a)))
+		HOSTOS	:= linux
+	endif
+endif
+
+#
+# Load default variables.
+#
+ASFLAGS		:= -g -ggdb -Wall -O3 -ffreestanding
+CFLAGS		:= -g -ggdb -Wall -O3 -ffreestanding
+CXXFLAGS	:= -g -ggdb -Wall -O3 -ffreestanding
+LDFLAGS		:= -T link.ld -nostdlib
+ARFLAGS		:= -rcs
+OCFLAGS		:= -v -O binary
+ODFLAGS		:=
+MCFLAGS		:= -march=rv64gvxthead -mabi=lp64d -mcmodel=medany -fno-stack-protector
+
+LIBDIRS		:=
+LIBS 		:=
+INCDIRS		:=
+SRCDIRS		:=
+
+#
+# Add external library
+#
+INCDIRS		+= include \
+			   include/external
+SRCDIRS		+= source \
+			   source/external
+
+#
+# You shouldn't need to change anything below this point.
+#
+AS			:= $(CROSS)gcc -x assembler-with-cpp
+CC			:= $(CROSS)gcc
+CXX			:= $(CROSS)g++
+LD			:= $(CROSS)ld
+AR			:= $(CROSS)ar
+OC			:= $(CROSS)objcopy
+OD			:= $(CROSS)objdump
+MKDIR		:= mkdir -p
+CP			:= cp -af
+RM			:= rm -fr
+CD			:= cd
+FIND		:= find
+
+#
+# X variables
+#
+X_ASFLAGS	:= $(MCFLAGS) $(ASFLAGS)
+X_CFLAGS	:= $(MCFLAGS) $(CFLAGS)
+X_CXXFLAGS	:= $(MCFLAGS) $(CXXFLAGS)
+X_LDFLAGS	:= $(LDFLAGS)
+X_OCFLAGS	:= $(OCFLAGS)
+X_LIBDIRS	:= $(LIBDIRS)
+X_LIBS		:= $(LIBS) -lgcc
+
+X_OUT		:= output
+X_NAME		:= $(patsubst %, $(X_OUT)/%, $(NAME))
+X_INCDIRS	:= $(patsubst %, -I %, $(INCDIRS))
+X_SRCDIRS	:= $(patsubst %, %, $(SRCDIRS))
+X_OBJDIRS	:= $(patsubst %, .obj/%, $(X_SRCDIRS))
+
+X_SFILES	:= $(foreach dir, $(X_SRCDIRS), $(wildcard $(dir)/*.S))
+X_CFILES	:= $(foreach dir, $(X_SRCDIRS), $(wildcard $(dir)/*.c))
+X_CPPFILES	:= $(foreach dir, $(X_SRCDIRS), $(wildcard $(dir)/*.cpp))
+
+X_SDEPS		:= $(patsubst %, .obj/%, $(X_SFILES:.S=.o.d))
+X_CDEPS		:= $(patsubst %, .obj/%, $(X_CFILES:.c=.o.d))
+X_CPPDEPS	:= $(patsubst %, .obj/%, $(X_CPPFILES:.cpp=.o.d))
+X_DEPS		:= $(X_SDEPS) $(X_CDEPS) $(X_CPPDEPS)
+
+X_SOBJS		:= $(patsubst %, .obj/%, $(X_SFILES:.S=.o))
+X_COBJS		:= $(patsubst %, .obj/%, $(X_CFILES:.c=.o))
+X_CPPOBJS	:= $(patsubst %, .obj/%, $(X_CPPFILES:.cpp=.o)) 
+X_OBJS		:= $(X_SOBJS) $(X_COBJS) $(X_CPPOBJS)
+
+VPATH		:= $(X_OBJDIRS)
+
+.PHONY:	all clean
+all : $(X_NAME)
+
+$(X_NAME) : $(X_OBJS)
+	@echo [LD] Linking $@.elf
+	@$(CC) $(X_LDFLAGS) $(X_LIBDIRS) -Wl,--cref,-Map=$@.map $^ -o $@.elf $(X_LIBS)
+	@echo [OC] Objcopying $@.bin
+	@$(OC) $(X_OCFLAGS) $@.elf $@.bin
+
+$(X_SOBJS) : .obj/%.o : %.S
+	@echo [AS] $<
+	@$(AS) $(X_ASFLAGS) -MD -MP -MF $@.d $(X_INCDIRS) -c $< -o $@
+
+$(X_COBJS) : .obj/%.o : %.c
+	@echo [CC] $<
+	@$(CC) $(X_CFLAGS) -MD -MP -MF $@.d $(X_INCDIRS) -c $< -o $@
+
+$(X_CPPOBJS) : .obj/%.o : %.cpp
+	@echo [CXX] $<
+	@$(CXX) $(X_CXXFLAGS) -MD -MP -MF $@.d $(X_INCDIRS) -c $< -o $@
+
+clean:
+	@$(RM) .obj $(X_OUT)
+
+#
+# Include the dependency files, should be place the last of makefile
+#
+sinclude $(shell $(MKDIR) $(X_OBJDIRS) $(X_OUT)) $(X_DEPS)

payloads/d1_f133/read32/include/endian.h

@@ -0,0 +1,27 @@
+#ifndef __RISCV64_ENDIAN_H__
+#define __RISCV64_ENDIAN_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define LITTLE_ENDIAN	(0x1234)
+#define BIG_ENDIAN		(0x4321)
+
+#if ( !defined(__LITTLE_ENDIAN) && !defined(__BIG_ENDIAN) )
+#define __LITTLE_ENDIAN
+#endif
+
+#if defined(__LITTLE_ENDIAN)
+#define BYTE_ORDER		LITTLE_ENDIAN
+#elif defined(__BIG_ENDIAN)
+#define BYTE_ORDER		BIG_ENDIAN
+#else
+#error "Unknown byte order!"
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __RISCV64_ENDIAN_H__ */

payloads/d1_f133/read32/include/linkage.h

@@ -0,0 +1,24 @@
+#ifndef __RISCV64_LINKAGE_H__
+#define __RISCV64_LINKAGE_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if __riscv_xlen == 64
+#define LREG	ld
+#define SREG	sd
+#define REGSZ	8
+#define RVPTR	.dword
+#elif __riscv_xlen == 32
+#define LREG	lw
+#define SREG	sw
+#define REGSZ	4
+#define RVPTR	.word
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __RISCV64_LINKAGE_H__ */

payloads/d1_f133/read32/include/riscv64.h

@@ -0,0 +1,113 @@
+#ifndef __RISCV64_H__
+#define __RISCV64_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define MSTATUS_UIE			(1 << 0)
+#define MSTATUS_SIE			(1 << 1)
+#define MSTATUS_MIE			(1 << 3)
+#define MSTATUS_UPIE		(1 << 4)
+#define MSTATUS_SPIE		(1 << 5)
+#define MSTATUS_MPIE		(1 << 7)
+#define MSTATUS_SPP			(1 << 8)
+#define MSTATUS_MPP			(3 << 11)
+#define MSTATUS_FS			(3 << 13)
+#define MSTATUS_XS			(3 << 15)
+#define MSTATUS_MPRV		(1 << 17)
+#define MSTATUS_SUM			(1 << 18)
+#define MSTATUS_MXR			(1 << 19)
+#define MSTATUS_TVM			(1 << 20)
+#define MSTATUS_TW			(1 << 21)
+#define MSTATUS_TSR			(1 << 22)
+#define MSTATUS32_SD		(1 << 31)
+#define MSTATUS_UXL			(3ULL << 32)
+#define MSTATUS_SXL			(3ULL << 34)
+#define MSTATUS64_SD		(1ULL << 63)
+
+#define MIP_USIP			(1 << 0)
+#define MIP_SSIP			(1 << 1)
+#define MIP_MSIP			(1 << 3)
+#define MIP_UTIP			(1 << 4)
+#define MIP_STIP			(1 << 5)
+#define MIP_MTIP			(1 << 7)
+#define MIP_UEIP			(1 << 8)
+#define MIP_SEIP			(1 << 9)
+#define MIP_MEIP			(1 << 11)
+
+#define MIE_USIE			(1 << 0)
+#define MIE_SSIE			(1 << 1)
+#define MIE_MSIE			(1 << 3)
+#define MIE_UTIE			(1 << 4)
+#define MIE_STIE			(1 << 5)
+#define MIE_MTIE			(1 << 7)
+#define MIE_UEIE			(1 << 8)
+#define MIE_SEIE			(1 << 9)
+#define MIE_MEIE			(1 << 11)
+
+#define csr_swap(csr, val)							\
+({													\
+	unsigned long __v = (unsigned long)(val);		\
+	__asm__ __volatile__ ("csrrw %0, " #csr ", %1"	\
+			      : "=r" (__v) : "rK" (__v)			\
+			      : "memory");						\
+	__v;											\
+})
+
+#define csr_read(csr)								\
+({													\
+	register unsigned long __v;						\
+	__asm__ __volatile__ ("csrr %0, " #csr			\
+			      : "=r" (__v) :					\
+			      : "memory");						\
+	__v;											\
+})
+
+#define csr_write(csr, val)							\
+({													\
+	unsigned long __v = (unsigned long)(val);		\
+	__asm__ __volatile__ ("csrw " #csr ", %0"		\
+			      : : "rK" (__v)					\
+			      : "memory");						\
+})
+
+#define csr_read_set(csr, val)						\
+({													\
+	unsigned long __v = (unsigned long)(val);		\
+	__asm__ __volatile__ ("csrrs %0, " #csr ", %1"	\
+			      : "=r" (__v) : "rK" (__v)			\
+			      : "memory");						\
+	__v;											\
+})
+
+#define csr_set(csr, val)							\
+({													\
+	unsigned long __v = (unsigned long)(val);		\
+	__asm__ __volatile__ ("csrs " #csr ", %0"		\
+			      : : "rK" (__v)					\
+			      : "memory");						\
+})
+
+#define csr_read_clear(csr, val)					\
+({													\
+	unsigned long __v = (unsigned long)(val);		\
+	__asm__ __volatile__ ("csrrc %0, " #csr ", %1"	\
+			      : "=r" (__v) : "rK" (__v)			\
+			      : "memory");						\
+	__v;											\
+})
+
+#define csr_clear(csr, val)							\
+({													\
+	unsigned long __v = (unsigned long)(val);		\
+	__asm__ __volatile__ ("csrc " #csr ", %0"		\
+			      : : "rK" (__v)					\
+			      : "memory");						\
+})
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __RISCV64_H__ */

payloads/d1_f133/read32/include/types.h

@@ -0,0 +1,53 @@
+#ifndef __RISCV64_TYPES_H__
+#define __RISCV64_TYPES_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef signed char				s8_t;
+typedef unsigned char			u8_t;
+
+typedef signed short			s16_t;
+typedef unsigned short			u16_t;
+
+typedef signed int				s32_t;
+typedef unsigned int			u32_t;
+
+typedef signed long long		s64_t;
+typedef unsigned long long		u64_t;
+
+typedef signed long long		intmax_t;
+typedef unsigned long long		uintmax_t;
+
+typedef signed long	long		ptrdiff_t;
+typedef signed long	long		intptr_t;
+typedef unsigned long long		uintptr_t;
+
+typedef unsigned long long		size_t;
+typedef signed long	long		ssize_t;
+
+typedef signed long				off_t;
+typedef signed long long		loff_t;
+
+typedef signed int				bool_t;
+typedef unsigned long			irq_flags_t;
+
+typedef unsigned long long		virtual_addr_t;
+typedef unsigned long long		virtual_size_t;
+typedef unsigned long long		physical_addr_t;
+typedef unsigned long long		physical_size_t;
+
+typedef struct {
+	volatile int counter;
+} atomic_t;
+
+typedef struct {
+	volatile int lock;
+} spinlock_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __RISCV64_TYPES_H__ */

payloads/d1_f133/read32/link.ld

@@ -0,0 +1,82 @@
+OUTPUT_FORMAT("elf64-littleriscv", "elf64-littleriscv", "elf64-littleriscv")
+OUTPUT_ARCH(riscv)
+ENTRY(_start)
+
+STACK_SIZE = 0x010;
+
+MEMORY
+{
+	ram : org = 0x00045000, len = 0x00000200	/* 512B */
+}
+
+SECTIONS
+{
+	.text :
+	{
+		PROVIDE(__image_start = .);
+		PROVIDE(__text_start = .);
+		.obj/source/start.o (.text*)
+		*(.text*)
+		*(.iplt)
+		*(.note.gnu.build-id)
+		PROVIDE(__text_end = .);
+	} > ram
+
+	.ksymtab ALIGN(16) :
+	{
+		PROVIDE(__ksymtab_start = .);
+		KEEP(*(.ksymtab.text))
+		PROVIDE(__ksymtab_end = .);
+	} > ram
+
+	.romdisk ALIGN(8) :
+	{
+		PROVIDE(__romdisk_start = .);
+		KEEP(*(.romdisk))
+		PROVIDE(__romdisk_end = .);
+	} > ram
+
+	.rodata ALIGN(8) :
+	{
+		PROVIDE(__rodata_start = .);
+		*(.rodata*)
+		*(.srodata*)
+		PROVIDE(__rodata_end = .);
+	} > ram
+
+	.data ALIGN(8) :
+	{
+		PROVIDE(__data_start = .);
+		PROVIDE(__global_pointer$ = . + 0x800);
+		*(.sdata*)
+		*(.data*)
+		. = ALIGN(8);
+  		PROVIDE(__data_end = .);
+		PROVIDE(__image_end = .);
+	} > ram
+
+	.bss ALIGN(8) (NOLOAD) :
+	{
+		PROVIDE(__bss_start = .);
+		*(.bss*)
+		*(.sbss*)
+		*(COMMON)
+		. = ALIGN(8);
+		PROVIDE(__bss_end = .);
+	} > ram
+
+	.stack ALIGN(16) (NOLOAD) :
+	{
+		PROVIDE(__stack_start = .);
+		. += STACK_SIZE;
+		. = ALIGN(16);
+		PROVIDE(__stack_end = .);
+	} > ram
+
+	/DISCARD/ : { *(.dynsym) }
+	/DISCARD/ : { *(.dynstr*) }
+	/DISCARD/ : { *(.dynamic*) }
+	/DISCARD/ : { *(.plt*) }
+	/DISCARD/ : { *(.interp*) }
+	/DISCARD/ : { *(.gnu*) }
+}

payloads/d1_f133/read32/source/start.S

@@ -0,0 +1,51 @@
+/*
+ * start.S
+ *
+ * Copyright(c) 2007-2021 Jianjun Jiang <8192542@qq.com>
+ * Official site: http://xboot.org
+ * Mobile phone: +86-18665388956
+ * QQ: 8192542
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <linkage.h>
+#include <riscv64.h>
+
+	.global _start
+_start:
+	li t1, 0x1 << 22
+	csrs mxstatus, t1
+	li t1, 0x30013
+	csrs mcor, t1
+	j reset
+
+reset:
+	la t0, _adr
+	lw t0, (t0)
+	lw t0, (t0)
+	la t1, _val
+	sw t0, (t1)
+	ret
+	.align 2
+_adr:
+	.word 0x11223344
+_val:
+	.word 0x55667788

payloads/d1_f133/spi/Makefile

@@ -2,12 +2,9 @@
 # Top makefile
 #
 
-CROSS		?= ~/test/tina-d1-open/prebuilt/gcc/linux-x86/riscv/toolchain-thead-glibc/riscv64-glibc-gcc-thead_20200702/bin/riscv64-unknown-linux-gnu-
+CROSS		?= ~/Xuantie-900-gcc-elf-newlib-x86_64-V2.2.4/bin/riscv64-unknown-elf-
 NAME		:= spi
 
-#
-# System environment variable.
-#
 #
 # System environment variable.
 #

payloads/d1_f133/spi/source/sys-spi.c

@@ -186,6 +186,8 @@ static void sys_spi_transfer(void * txbuf, void * rxbuf, u32_t len)
 		write32(addr + SPI_MBC, n);
 		sys_spi_write_txbuf(tx, n);
 		write32(addr + SPI_TCR, read32(addr + SPI_TCR) | (1 << 31));
+		while(read32(addr + SPI_TCR) & (1 << 31));
+
 		while((read32(addr + SPI_FSR) & 0xff) < n);
 		for(i = 0; i < n; i++)
 		{

payloads/d1_f133/write32/.gitignore

@@ -0,0 +1,10 @@
+#
+# Normal rules
+#
+*~
+
+#
+# Generated files
+#
+/.obj
+/output

payloads/d1_f133/write32/Makefile

@@ -0,0 +1,120 @@
+#
+# Top makefile
+#
+
+CROSS		?= ~/Xuantie-900-gcc-elf-newlib-x86_64-V2.2.4/bin/riscv64-unknown-elf-
+NAME		:= write32
+
+#
+# System environment variable.
+#
+ifeq ($(OS), Windows_NT)
+	HOSTOS		:= windows
+else
+	ifneq (,$(findstring Linux, $(shell uname -a)))
+		HOSTOS	:= linux
+	endif
+endif
+
+#
+# Load default variables.
+#
+ASFLAGS		:= -g -ggdb -Wall -O3 -ffreestanding
+CFLAGS		:= -g -ggdb -Wall -O3 -ffreestanding
+CXXFLAGS	:= -g -ggdb -Wall -O3 -ffreestanding
+LDFLAGS		:= -T link.ld -nostdlib
+ARFLAGS		:= -rcs
+OCFLAGS		:= -v -O binary
+ODFLAGS		:=
+MCFLAGS		:= -march=rv64gvxthead -mabi=lp64d -mcmodel=medany -fno-stack-protector
+
+LIBDIRS		:=
+LIBS 		:=
+INCDIRS		:=
+SRCDIRS		:=
+
+#
+# Add external library
+#
+INCDIRS		+= include \
+			   include/external
+SRCDIRS		+= source \
+			   source/external
+
+#
+# You shouldn't need to change anything below this point.
+#
+AS			:= $(CROSS)gcc -x assembler-with-cpp
+CC			:= $(CROSS)gcc
+CXX			:= $(CROSS)g++
+LD			:= $(CROSS)ld
+AR			:= $(CROSS)ar
+OC			:= $(CROSS)objcopy
+OD			:= $(CROSS)objdump
+MKDIR		:= mkdir -p
+CP			:= cp -af
+RM			:= rm -fr
+CD			:= cd
+FIND		:= find
+
+#
+# X variables
+#
+X_ASFLAGS	:= $(MCFLAGS) $(ASFLAGS)
+X_CFLAGS	:= $(MCFLAGS) $(CFLAGS)
+X_CXXFLAGS	:= $(MCFLAGS) $(CXXFLAGS)
+X_LDFLAGS	:= $(LDFLAGS)
+X_OCFLAGS	:= $(OCFLAGS)
+X_LIBDIRS	:= $(LIBDIRS)
+X_LIBS		:= $(LIBS) -lgcc
+
+X_OUT		:= output
+X_NAME		:= $(patsubst %, $(X_OUT)/%, $(NAME))
+X_INCDIRS	:= $(patsubst %, -I %, $(INCDIRS))
+X_SRCDIRS	:= $(patsubst %, %, $(SRCDIRS))
+X_OBJDIRS	:= $(patsubst %, .obj/%, $(X_SRCDIRS))
+
+X_SFILES	:= $(foreach dir, $(X_SRCDIRS), $(wildcard $(dir)/*.S))
+X_CFILES	:= $(foreach dir, $(X_SRCDIRS), $(wildcard $(dir)/*.c))
+X_CPPFILES	:= $(foreach dir, $(X_SRCDIRS), $(wildcard $(dir)/*.cpp))
+
+X_SDEPS		:= $(patsubst %, .obj/%, $(X_SFILES:.S=.o.d))
+X_CDEPS		:= $(patsubst %, .obj/%, $(X_CFILES:.c=.o.d))
+X_CPPDEPS	:= $(patsubst %, .obj/%, $(X_CPPFILES:.cpp=.o.d))
+X_DEPS		:= $(X_SDEPS) $(X_CDEPS) $(X_CPPDEPS)
+
+X_SOBJS		:= $(patsubst %, .obj/%, $(X_SFILES:.S=.o))
+X_COBJS		:= $(patsubst %, .obj/%, $(X_CFILES:.c=.o))
+X_CPPOBJS	:= $(patsubst %, .obj/%, $(X_CPPFILES:.cpp=.o)) 
+X_OBJS		:= $(X_SOBJS) $(X_COBJS) $(X_CPPOBJS)
+
+VPATH		:= $(X_OBJDIRS)
+
+.PHONY:	all clean
+all : $(X_NAME)
+
+$(X_NAME) : $(X_OBJS)
+	@echo [LD] Linking $@.elf
+	@$(CC) $(X_LDFLAGS) $(X_LIBDIRS) -Wl,--cref,-Map=$@.map $^ -o $@.elf $(X_LIBS)
+	@echo [OC] Objcopying $@.bin
+	@$(OC) $(X_OCFLAGS) $@.elf $@.bin
+
+$(X_SOBJS) : .obj/%.o : %.S
+	@echo [AS] $<
+	@$(AS) $(X_ASFLAGS) -MD -MP -MF $@.d $(X_INCDIRS) -c $< -o $@
+
+$(X_COBJS) : .obj/%.o : %.c
+	@echo [CC] $<
+	@$(CC) $(X_CFLAGS) -MD -MP -MF $@.d $(X_INCDIRS) -c $< -o $@
+
+$(X_CPPOBJS) : .obj/%.o : %.cpp
+	@echo [CXX] $<
+	@$(CXX) $(X_CXXFLAGS) -MD -MP -MF $@.d $(X_INCDIRS) -c $< -o $@
+
+clean:
+	@$(RM) .obj $(X_OUT)
+
+#
+# Include the dependency files, should be place the last of makefile
+#
+sinclude $(shell $(MKDIR) $(X_OBJDIRS) $(X_OUT)) $(X_DEPS)

payloads/d1_f133/write32/include/byteorder.h

@@ -0,0 +1,83 @@
+#ifndef __BYTEORDER_H__
+#define __BYTEORDER_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <types.h>
+
+static inline u16_t __swab16(u16_t x)
+{
+	return ( (x<<8) | (x>>8) );
+}
+
+static inline u32_t __swab32(u32_t x)
+{
+	return ( (x<<24) | (x>>24) | \
+		((x & (u32_t)0x0000ff00UL)<<8) | \
+		((x & (u32_t)0x00ff0000UL)>>8) );
+}
+
+static inline u64_t __swab64(u64_t x)
+{
+	return ( (x<<56) | (x>>56) | \
+		((x & (u64_t)0x000000000000ff00ULL)<<40) | \
+		((x & (u64_t)0x0000000000ff0000ULL)<<24) | \
+		((x & (u64_t)0x00000000ff000000ULL)<< 8) | \
+		((x & (u64_t)0x000000ff00000000ULL)>> 8) | \
+		((x & (u64_t)0x0000ff0000000000ULL)>>24) | \
+		((x & (u64_t)0x00ff000000000000ULL)>>40) );
+}
+
+/*
+ * swap bytes bizarrely.
+ * swahw32 - swap 16-bit half-words in a 32-bit word
+ */
+static inline u32_t __swahw32(u32_t x)
+{
+	return ( ((x & (u32_t)0x0000ffffUL)<<16) | ((x & (u32_t)0xffff0000UL)>>16) );
+}
+
+/*
+ * swap bytes bizarrely.
+ * swahb32 - swap 8-bit halves of each 16-bit half-word in a 32-bit word
+ */
+static inline u32_t __swahb32(u32_t x)
+{
+	return ( ((x & (u32_t)0x00ff00ffUL)<<8) | ((x & (u32_t)0xff00ff00UL)>>8) );
+}
+
+#if (BYTE_ORDER == BIG_ENDIAN)
+#define cpu_to_le64(x)	(__swab64((u64_t)(x)))
+#define le64_to_cpu(x)	(__swab64((u64_t)(x)))
+#define cpu_to_le32(x)	(__swab32((u32_t)(x)))
+#define le32_to_cpu(x)	(__swab32((u32_t)(x)))
+#define cpu_to_le16(x)	(__swab16((u16_t)(x)))
+#define le16_to_cpu(x)	(__swab16((u16_t)(x)))
+#define cpu_to_be64(x)	((u64_t)(x))
+#define be64_to_cpu(x)	((u64_t)(x))
+#define cpu_to_be32(x)	((u32_t)(x))
+#define be32_to_cpu(x)	((u32_t)(x))
+#define cpu_to_be16(x)	((u16_t)(x))
+#define be16_to_cpu(x)	((u16_t)(x))
+#else
+#define cpu_to_le64(x)	((u64_t)(x))
+#define le64_to_cpu(x)	((u64_t)(x))
+#define cpu_to_le32(x)	((u32_t)(x))
+#define le32_to_cpu(x)	((u32_t)(x))
+#define cpu_to_le16(x)	((u16_t)(x))
+#define le16_to_cpu(x)	((u16_t)(x))
+#define cpu_to_be64(x)	(__swab64((u64_t)(x)))
+#define be64_to_cpu(x)	(__swab64((u64_t)(x)))
+#define cpu_to_be32(x)	(__swab32((u32_t)(x)))
+#define be32_to_cpu(x)	(__swab32((u32_t)(x)))
+#define cpu_to_be16(x)	(__swab16((u16_t)(x)))
+#define be16_to_cpu(x)	(__swab16((u16_t)(x)))
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __BYTEORDER_H__ */

payloads/d1_f133/write32/include/endian.h

@@ -0,0 +1,27 @@
+#ifndef __RISCV64_ENDIAN_H__
+#define __RISCV64_ENDIAN_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define LITTLE_ENDIAN	(0x1234)
+#define BIG_ENDIAN		(0x4321)
+
+#if ( !defined(__LITTLE_ENDIAN) && !defined(__BIG_ENDIAN) )
+#define __LITTLE_ENDIAN
+#endif
+
+#if defined(__LITTLE_ENDIAN)
+#define BYTE_ORDER		LITTLE_ENDIAN
+#elif defined(__BIG_ENDIAN)
+#define BYTE_ORDER		BIG_ENDIAN
+#else
+#error "Unknown byte order!"
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __RISCV64_ENDIAN_H__ */

payloads/d1_f133/write32/include/io.h

@@ -0,0 +1,54 @@
+#ifndef __IO_H__
+#define __IO_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <types.h>
+
+static inline u8_t read8(virtual_addr_t addr)
+{
+	return( *((volatile u8_t *)(addr)) );
+}
+
+static inline u16_t read16(virtual_addr_t addr)
+{
+	return( *((volatile u16_t *)(addr)) );
+}
+
+static inline u32_t read32(virtual_addr_t addr)
+{
+	return( *((volatile u32_t *)(addr)) );
+}
+
+static inline u64_t read64(virtual_addr_t addr)
+{
+	return( *((volatile u64_t *)(addr)) );
+}
+
+static inline void write8(virtual_addr_t addr, u8_t value)
+{
+	*((volatile u8_t *)(addr)) = value;
+}
+
+static inline void write16(virtual_addr_t addr, u16_t value)
+{
+	*((volatile u16_t *)(addr)) = value;
+}
+
+static inline void write32(virtual_addr_t addr, u32_t value)
+{
+	*((volatile u32_t *)(addr)) = value;
+}
+
+static inline void write64(virtual_addr_t addr, u64_t value)
+{
+	*((volatile u64_t *)(addr)) = value;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __IO_H__ */

payloads/d1_f133/write32/include/linkage.h

@@ -0,0 +1,24 @@
+#ifndef __RISCV64_LINKAGE_H__
+#define __RISCV64_LINKAGE_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if __riscv_xlen == 64
+#define LREG	ld
+#define SREG	sd
+#define REGSZ	8
+#define RVPTR	.dword
+#elif __riscv_xlen == 32
+#define LREG	lw
+#define SREG	sw
+#define REGSZ	4
+#define RVPTR	.word
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __RISCV64_LINKAGE_H__ */

payloads/d1_f133/write32/include/riscv64.h

@@ -0,0 +1,113 @@
+#ifndef __RISCV64_H__
+#define __RISCV64_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define MSTATUS_UIE			(1 << 0)
+#define MSTATUS_SIE			(1 << 1)
+#define MSTATUS_MIE			(1 << 3)
+#define MSTATUS_UPIE		(1 << 4)
+#define MSTATUS_SPIE		(1 << 5)
+#define MSTATUS_MPIE		(1 << 7)
+#define MSTATUS_SPP			(1 << 8)
+#define MSTATUS_MPP			(3 << 11)
+#define MSTATUS_FS			(3 << 13)
+#define MSTATUS_XS			(3 << 15)
+#define MSTATUS_MPRV		(1 << 17)
+#define MSTATUS_SUM			(1 << 18)
+#define MSTATUS_MXR			(1 << 19)
+#define MSTATUS_TVM			(1 << 20)
+#define MSTATUS_TW			(1 << 21)
+#define MSTATUS_TSR			(1 << 22)
+#define MSTATUS32_SD		(1 << 31)
+#define MSTATUS_UXL			(3ULL << 32)
+#define MSTATUS_SXL			(3ULL << 34)
+#define MSTATUS64_SD		(1ULL << 63)
+
+#define MIP_USIP			(1 << 0)
+#define MIP_SSIP			(1 << 1)
+#define MIP_MSIP			(1 << 3)
+#define MIP_UTIP			(1 << 4)
+#define MIP_STIP			(1 << 5)
+#define MIP_MTIP			(1 << 7)
+#define MIP_UEIP			(1 << 8)
+#define MIP_SEIP			(1 << 9)
+#define MIP_MEIP			(1 << 11)
+
+#define MIE_USIE			(1 << 0)
+#define MIE_SSIE			(1 << 1)
+#define MIE_MSIE			(1 << 3)
+#define MIE_UTIE			(1 << 4)
+#define MIE_STIE			(1 << 5)
+#define MIE_MTIE			(1 << 7)
+#define MIE_UEIE			(1 << 8)
+#define MIE_SEIE			(1 << 9)
+#define MIE_MEIE			(1 << 11)
+
+#define csr_swap(csr, val)							\
+({													\
+	unsigned long __v = (unsigned long)(val);		\
+	__asm__ __volatile__ ("csrrw %0, " #csr ", %1"	\
+			      : "=r" (__v) : "rK" (__v)			\
+			      : "memory");						\
+	__v;											\
+})
+
+#define csr_read(csr)								\
+({													\
+	register unsigned long __v;						\
+	__asm__ __volatile__ ("csrr %0, " #csr			\
+			      : "=r" (__v) :					\
+			      : "memory");						\
+	__v;											\
+})
+
+#define csr_write(csr, val)							\
+({													\
+	unsigned long __v = (unsigned long)(val);		\
+	__asm__ __volatile__ ("csrw " #csr ", %0"		\
+			      : : "rK" (__v)					\
+			      : "memory");						\
+})
+
+#define csr_read_set(csr, val)						\
+({													\
+	unsigned long __v = (unsigned long)(val);		\
+	__asm__ __volatile__ ("csrrs %0, " #csr ", %1"	\
+			      : "=r" (__v) : "rK" (__v)			\
+			      : "memory");						\
+	__v;											\
+})
+
+#define csr_set(csr, val)							\
+({													\
+	unsigned long __v = (unsigned long)(val);		\
+	__asm__ __volatile__ ("csrs " #csr ", %0"		\
+			      : : "rK" (__v)					\
+			      : "memory");						\
+})
+
+#define csr_read_clear(csr, val)					\
+({													\
+	unsigned long __v = (unsigned long)(val);		\
+	__asm__ __volatile__ ("csrrc %0, " #csr ", %1"	\
+			      : "=r" (__v) : "rK" (__v)			\
+			      : "memory");						\
+	__v;											\
+})
+
+#define csr_clear(csr, val)							\
+({													\
+	unsigned long __v = (unsigned long)(val);		\
+	__asm__ __volatile__ ("csrc " #csr ", %0"		\
+			      : : "rK" (__v)					\
+			      : "memory");						\
+})
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __RISCV64_H__ */

payloads/d1_f133/write32/include/stdarg.h

@@ -0,0 +1,34 @@
+#ifndef __STDARG_H__
+#define __STDARG_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef __builtin_va_list	va_list;
+
+/*
+ * prepare to access variable args
+ */
+#define va_start(v, l)		__builtin_va_start(v, l)
+
+/*
+ * the caller will get the value of current argument
+ */
+#define va_arg(v, l)		__builtin_va_arg(v, l)
+
+/*
+ * end for variable args
+ */
+#define va_end(v)			__builtin_va_end(v)
+
+/*
+ * copy variable args
+ */
+#define va_copy(d, s)		__builtin_va_copy(d, s)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STDARG_H__ */

payloads/d1_f133/write32/include/stddef.h

@@ -0,0 +1,49 @@
+#ifndef __STDDEF_H__
+#define __STDDEF_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined(__cplusplus)
+#define NULL			(0)
+#else
+#define NULL			((void *)0)
+#endif
+
+#if (defined(__GNUC__) && (__GNUC__ >= 4))
+#define offsetof(type, member)				__builtin_offsetof(type, member)
+#else
+#define offsetof(type, field)				((size_t)(&((type *)0)->field))
+#endif
+#define container_of(ptr, type, member)		({const typeof(((type *)0)->member) *__mptr = (ptr); (type *)((char *)__mptr - offsetof(type,member));})
+
+#if (defined(__GNUC__) && (__GNUC__ >= 3))
+#define likely(expr)	(__builtin_expect(!!(expr), 1))
+#define unlikely(expr)	(__builtin_expect(!!(expr), 0))
+#else
+#define likely(expr)	(!!(expr))
+#define unlikely(expr)	(!!(expr))
+#endif
+
+#define min(a, b)		({typeof(a) _amin = (a); typeof(b) _bmin = (b); (void)(&_amin == &_bmin); _amin < _bmin ? _amin : _bmin;})
+#define max(a, b)		({typeof(a) _amax = (a); typeof(b) _bmax = (b); (void)(&_amax == &_bmax); _amax > _bmax ? _amax : _bmax;})
+#define clamp(v, a, b)	min(max(a, v), b)
+
+#define ifloor(x)		((x) > 0 ? (int)(x) : (int)((x) - 0.9999999999))
+#define iround(x)		((x) > 0 ? (int)((x) + 0.5) : (int)((x) - 0.5))
+#define iceil(x)		((x) > 0 ? (int)((x) + 0.9999999999) : (int)(x))
+#define idiv255(x)		((((int)(x) + 1) * 257) >> 16)
+
+#define X(...)			("" #__VA_ARGS__ "")
+
+enum {
+	FALSE				= 0,
+	TRUE				= 1,
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STDDEF_H__ */

payloads/d1_f133/write32/include/stdint.h

@@ -0,0 +1,31 @@
+#ifndef __STDINT_H__
+#define __STDINT_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <types.h>
+
+typedef s8_t			int8_t;
+typedef u8_t			uint8_t;
+
+typedef s16_t			int16_t;
+typedef u16_t			uint16_t;
+
+typedef s32_t			int32_t;
+typedef u32_t			uint32_t;
+
+typedef s64_t			int64_t;
+typedef u64_t			uint64_t;
+
+#define UINT8_MAX		(0xff)
+#define UINT16_MAX		(0xffff)
+#define UINT32_MAX		(0xffffffff)
+#define UINT64_MAX		(0xffffffffffffffffULL)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STDINT_H__ */

payloads/d1_f133/write32/include/string.h

@@ -0,0 +1,17 @@
+#ifndef __STRING_H__
+#define __STRING_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <types.h>
+
+void * memset(void * s, int c, size_t n);
+void * memcpy(void * dest, const void * src, size_t len);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STRING_H__ */

payloads/d1_f133/write32/include/types.h

@@ -0,0 +1,53 @@
+#ifndef __RISCV64_TYPES_H__
+#define __RISCV64_TYPES_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef signed char				s8_t;
+typedef unsigned char			u8_t;
+
+typedef signed short			s16_t;
+typedef unsigned short			u16_t;
+
+typedef signed int				s32_t;
+typedef unsigned int			u32_t;
+
+typedef signed long long		s64_t;
+typedef unsigned long long		u64_t;
+
+typedef signed long long		intmax_t;
+typedef unsigned long long		uintmax_t;
+
+typedef signed long	long		ptrdiff_t;
+typedef signed long	long		intptr_t;
+typedef unsigned long long		uintptr_t;
+
+typedef unsigned long long		size_t;
+typedef signed long	long		ssize_t;
+
+typedef signed long				off_t;
+typedef signed long long		loff_t;
+
+typedef signed int				bool_t;
+typedef unsigned long			irq_flags_t;
+
+typedef unsigned long long		virtual_addr_t;
+typedef unsigned long long		virtual_size_t;
+typedef unsigned long long		physical_addr_t;
+typedef unsigned long long		physical_size_t;
+
+typedef struct {
+	volatile int counter;
+} atomic_t;
+
+typedef struct {
+	volatile int lock;
+} spinlock_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __RISCV64_TYPES_H__ */

payloads/d1_f133/write32/include/xboot.h

@@ -0,0 +1,21 @@
+#ifndef __XBOOT_H__
+#define __XBOOT_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <types.h>
+#include <io.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <string.h>
+#include <endian.h>
+#include <byteorder.h>
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __XBOOT_H__ */

payloads/d1_f133/write32/link.ld

@@ -0,0 +1,82 @@
+OUTPUT_FORMAT("elf64-littleriscv", "elf64-littleriscv", "elf64-littleriscv")
+OUTPUT_ARCH(riscv)
+ENTRY(_start)
+
+STACK_SIZE = 0x010;
+
+MEMORY
+{
+	ram : org = 0x00045000, len = 0x00000200	/* 512B */
+}
+
+SECTIONS
+{
+	.text :
+	{
+		PROVIDE(__image_start = .);
+		PROVIDE(__text_start = .);
+		.obj/source/start.o (.text*)
+		*(.text*)
+		*(.iplt)
+		*(.note.gnu.build-id)
+		PROVIDE(__text_end = .);
+	} > ram
+
+	.ksymtab ALIGN(16) :
+	{
+		PROVIDE(__ksymtab_start = .);
+		KEEP(*(.ksymtab.text))
+		PROVIDE(__ksymtab_end = .);
+	} > ram
+
+	.romdisk ALIGN(8) :
+	{
+		PROVIDE(__romdisk_start = .);
+		KEEP(*(.romdisk))
+		PROVIDE(__romdisk_end = .);
+	} > ram
+
+	.rodata ALIGN(8) :
+	{
+		PROVIDE(__rodata_start = .);
+		*(.rodata*)
+		*(.srodata*)
+		PROVIDE(__rodata_end = .);
+	} > ram
+
+	.data ALIGN(8) :
+	{
+		PROVIDE(__data_start = .);
+		PROVIDE(__global_pointer$ = . + 0x800);
+		*(.sdata*)
+		*(.data*)
+		. = ALIGN(8);
+  		PROVIDE(__data_end = .);
+		PROVIDE(__image_end = .);
+	} > ram
+
+	.bss ALIGN(8) (NOLOAD) :
+	{
+		PROVIDE(__bss_start = .);
+		*(.bss*)
+		*(.sbss*)
+		*(COMMON)
+		. = ALIGN(8);
+		PROVIDE(__bss_end = .);
+	} > ram
+
+	.stack ALIGN(16) (NOLOAD) :
+	{
+		PROVIDE(__stack_start = .);
+		. += STACK_SIZE;
+		. = ALIGN(16);
+		PROVIDE(__stack_end = .);
+	} > ram
+
+	/DISCARD/ : { *(.dynsym) }
+	/DISCARD/ : { *(.dynstr*) }
+	/DISCARD/ : { *(.dynamic*) }
+	/DISCARD/ : { *(.plt*) }
+	/DISCARD/ : { *(.interp*) }
+	/DISCARD/ : { *(.gnu*) }
+}

payloads/d1_f133/write32/source/start.S

@@ -0,0 +1,51 @@
+/*
+ * start.S
+ *
+ * Copyright(c) 2007-2021 Jianjun Jiang <8192542@qq.com>
+ * Official site: http://xboot.org
+ * Mobile phone: +86-18665388956
+ * QQ: 8192542
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <linkage.h>
+#include <riscv64.h>
+
+	.global _start
+_start:
+	li t1, 0x1 << 22
+	csrs mxstatus, t1
+	li t1, 0x30013
+	csrs mcor, t1
+	j reset
+
+reset:
+	la t0, _adr
+	lw t0, (t0)
+	la t1, _val
+	lw t1, (t1)
+	sw t1, (t0)
+	ret
+	.align 2
+_adr:
+	.word 0x11223344
+_val:
+	.word 0x55667788

payloads/f1c100s_f1c200s_f1c500s/ddr/Makefile

@@ -5,9 +5,6 @@
 CROSS		?= arm-none-eabi-
 NAME		:= ddr
 
-#
-# System environment variable.
-#
 #
 # System environment variable.
 #

payloads/f1c100s_f1c200s_f1c500s/jtag/Makefile

@@ -5,9 +5,6 @@
 CROSS		?= arm-none-eabi-
 NAME		:= jtag
 
-#
-# System environment variable.
-#
 #
 # System environment variable.
 #

payloads/f1c100s_f1c200s_f1c500s/spi/Makefile

@@ -5,9 +5,6 @@
 CROSS		?= arm-none-eabi-
 NAME		:= spi
 
-#
-# System environment variable.
-#
 #
 # System environment variable.
 #

payloads/f1c100s_f1c200s_f1c500s/spi/source/sys-spi.c

@@ -159,6 +159,8 @@ static void sys_spi_transfer(void * txbuf, void * rxbuf, u32_t len)
 		write32(addr + SPI_MBC, n);
 		sys_spi_write_txbuf(tx, n);
 		write32(addr + SPI_TCR, read32(addr + SPI_TCR) | (1 << 31));
+		while(read32(addr + SPI_TCR) & (1 << 31));
+
 		while((read32(addr + SPI_FSR) & 0xff) < n);
 		for(i = 0; i < n; i++)
 		{

payloads/h2_h3/h2-ddr/Makefile

@@ -5,9 +5,6 @@
 CROSS		?= arm-linux-gnueabihf-
 NAME		:= h2-ddr
 
-#
-# System environment variable.
-#
 #
 # System environment variable.
 #