diff options
Diffstat (limited to 'linux')
| -rw-r--r-- | linux/drivers/soc/fsl/qbman/qman_portal.c | 112 |
1 files changed, 61 insertions, 51 deletions
diff --git a/linux/drivers/soc/fsl/qbman/qman_portal.c b/linux/drivers/soc/fsl/qbman/qman_portal.c index b4dd1cd0..8df7ea42 100644 --- a/linux/drivers/soc/fsl/qbman/qman_portal.c +++ b/linux/drivers/soc/fsl/qbman/qman_portal.c @@ -422,6 +422,62 @@ is_dequeue_enabled(const struct device_node *dn) 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 qman_sysinit_portals(void) { @@ -430,7 +486,6 @@ qman_sysinit_portals(void) const char *name; int cpu_count = (int)rtems_get_processor_count(); int i; - int ret; int node; int parent; @@ -453,56 +508,11 @@ qman_sysinit_portals(void) qoriq_clear_ci_portal(&qoriq_qman_portal[1][0], sizeof(qoriq_qman_portal[1])); - for (i = 0; node >= 0 && i < MAX_QMAN_PORTALS; ++i) { - struct qm_portal_config *pcfg = &qman_configs[i]; - struct qman_portal *portal; - struct resource res; - 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); + i = 0; + while (node >= 0 && i < MAX_QMAN_PORTALS) { + if (fdt_node_check_compatible(fdt, node, name) == 0) { + do_init_pcfg(&dn, &qman_configs[i], cpu_count); + ++i; } node = fdt_next_subnode(fdt, node); |