rtems/rtems-libbsd
1
0
Fork 0
mirror of https://git.rtems.org/rtems-libbsd/ synced 2025-07-26 14:02:42 +08:00
Code Issues Packages Projects Releases Wiki Activity

dpaa: Improve QMan portal initialization

Browse Source 
Be less dependent on the device tree content.
This commit is contained in:
Sebastian Huber 2017-08-23 10:08:16 +02:00
parent 24866e6f23
commit 33356a839f
1 changed files with 61 additions and 51 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

112
linux/drivers/soc/fsl/qbman/qman_portal.c
View File

@ -422,6 +422,62 @@ is_dequeue_enabled(const struct device_node *dn)
return (len <= 0 || strcmp(dequeue, "disabled") != 0); return (len <= 0 || strcmp(dequeue, "disabled") != 0);
} }
static void
do_init_pcfg(struct device_node *dn, struct qm_portal_config *pcfg,
int cpu_count)
{
struct qman_portal *portal;
struct resource res;
int ret;
u32 val;
ret = of_address_to_resource(dn, 0, &res);
if (ret != 0)
panic("qman: no portal CE address");
pcfg->addr_virt[0] = (__iomem void *)
((uintptr_t)&qoriq_qman_portal[0][0] + (uintptr_t)res.start);
BSD_ASSERT((uintptr_t)pcfg->addr_virt[0] >=
(uintptr_t)&qoriq_qman_portal[0][0]);
BSD_ASSERT((uintptr_t)pcfg->addr_virt[0] <
(uintptr_t)&qoriq_qman_portal[1][0]);
ret = of_address_to_resource(dn, 1, &res);
if (ret != 0)
panic("qman: no portal CI address");
pcfg->addr_virt[1] = (__iomem void *)
((uintptr_t)&qoriq_qman_portal[0][0] + (uintptr_t)res.start);
BSD_ASSERT((uintptr_t)pcfg->addr_virt[1] >=
(uintptr_t)&qoriq_qman_portal[1][0]);
BSD_ASSERT((uintptr_t)pcfg->addr_virt[1] <
(uintptr_t)&qoriq_qman_portal[2][0]);
ret = of_property_read_u32(dn, "cell-index", &val);
if (ret != 0)
panic("qman: no cell-index");
pcfg->channel = val;
pcfg->irq = of_irq_to_resource(dn, 0, NULL);
if (pcfg->irq == NO_IRQ)
panic("qman: no portal interrupt");
if (val < cpu_count) {
pcfg->cpu = val;
if (is_dequeue_enabled(dn)) {
pcfg->pools = qm_get_pools_sdqcr();
}
portal = init_pcfg(pcfg);
if (portal == NULL)
panic("qman: cannot create portal");
qman_portal_update_sdest(pcfg, val);
} else {
pcfg->cpu = -1;
list_add_tail(&pcfg->node, &qman_free_portals);
}
}
void void
qman_sysinit_portals(void) qman_sysinit_portals(void)
{ {
@ -430,7 +486,6 @@ qman_sysinit_portals(void)
const char *name; const char *name;
int cpu_count = (int)rtems_get_processor_count(); int cpu_count = (int)rtems_get_processor_count();
int i; int i;
int ret;
int node; int node;
int parent; int parent;
@ -453,56 +508,11 @@ qman_sysinit_portals(void)
qoriq_clear_ci_portal(&qoriq_qman_portal[1][0], qoriq_clear_ci_portal(&qoriq_qman_portal[1][0],
sizeof(qoriq_qman_portal[1])); sizeof(qoriq_qman_portal[1]));
for (i = 0; node >= 0 && i < MAX_QMAN_PORTALS; ++i) { i = 0;
struct qm_portal_config *pcfg = &qman_configs[i]; while (node >= 0 && i < MAX_QMAN_PORTALS) {
struct qman_portal *portal; if (fdt_node_check_compatible(fdt, node, name) == 0) {
struct resource res; do_init_pcfg(&dn, &qman_configs[i], cpu_count);
u32 val; ++i;
ret = of_address_to_resource(&dn, 0, &res);
if (ret != 0)
panic("qman: no portal CE address");
pcfg->addr_virt[0] = (__iomem void *)
((uintptr_t)&qoriq_qman_portal[0][0] + (uintptr_t)res.start);
BSD_ASSERT((uintptr_t)pcfg->addr_virt[0] >=
(uintptr_t)&qoriq_qman_portal[0][0]);
BSD_ASSERT((uintptr_t)pcfg->addr_virt[0] <
(uintptr_t)&qoriq_qman_portal[1][0]);
ret = of_address_to_resource(&dn, 1, &res);
if (ret != 0)
panic("qman: no portal CI address");
pcfg->addr_virt[1] = (__iomem void *)
((uintptr_t)&qoriq_qman_portal[0][0] + (uintptr_t)res.start);
BSD_ASSERT((uintptr_t)pcfg->addr_virt[1] >=
(uintptr_t)&qoriq_qman_portal[1][0]);
BSD_ASSERT((uintptr_t)pcfg->addr_virt[1] <
(uintptr_t)&qoriq_qman_portal[2][0]);
ret = of_property_read_u32(&dn, "cell-index", &val);
if (ret != 0)
panic("qman: no cell-index");
pcfg->channel = val;
pcfg->irq = of_irq_to_resource(&dn, 0, NULL);
if (pcfg->irq == NO_IRQ)
panic("qman: no portal interrupt");
if (val < cpu_count) {
pcfg->cpu = val;
if (is_dequeue_enabled(&dn)) {
pcfg->pools = qm_get_pools_sdqcr();
}
portal = init_pcfg(pcfg);
if (portal == NULL)
panic("qman: cannot create portal");
qman_portal_update_sdest(pcfg, val);
} else {
pcfg->cpu = -1;
list_add_tail(&pcfg->node, &qman_free_portals);
} }
node = fdt_next_subnode(fdt, node); node = fdt_next_subnode(fdt, node);