diff options
Diffstat (limited to 'arch/mips/netlogic/common')
| -rw-r--r-- | arch/mips/netlogic/common/irq.c | 68 | ||||
| -rw-r--r-- | arch/mips/netlogic/common/smp.c | 4 | ||||
| -rw-r--r-- | arch/mips/netlogic/common/smpboot.S | 4 | ||||
| -rw-r--r-- | arch/mips/netlogic/common/time.c | 2 |
4 files changed, 60 insertions, 18 deletions
diff --git a/arch/mips/netlogic/common/irq.c b/arch/mips/netlogic/common/irq.c index 73facb2b33bb..1c7e3a1b81ab 100644 --- a/arch/mips/netlogic/common/irq.c +++ b/arch/mips/netlogic/common/irq.c @@ -40,6 +40,10 @@ #include <linux/slab.h> #include <linux/irq.h> +#include <linux/irqdomain.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> + #include <asm/errno.h> #include <asm/signal.h> #include <asm/ptrace.h> @@ -223,17 +227,6 @@ static void nlm_init_node_irqs(int node) nodep->irqmask = irqmask; } -void __init arch_init_irq(void) -{ - /* Initialize the irq descriptors */ - nlm_init_percpu_irqs(); - nlm_init_node_irqs(0); - write_c0_eimr(nlm_current_node()->irqmask); -#if defined(CONFIG_CPU_XLR) - nlm_setup_fmn_irq(); -#endif -} - void nlm_smp_irq_init(int hwcpuid) { int node, cpu; @@ -266,3 +259,56 @@ asmlinkage void plat_irq_dispatch(void) /* top level irq handling */ do_IRQ(nlm_irq_to_xirq(node, i)); } + +#ifdef CONFIG_OF +static struct irq_domain *xlp_pic_domain; + +static const struct irq_domain_ops xlp_pic_irq_domain_ops = { + .xlate = irq_domain_xlate_onetwocell, +}; + +static int __init xlp_of_pic_init(struct device_node *node, + struct device_node *parent) +{ + const int n_picirqs = PIC_IRT_LAST_IRQ - PIC_IRQ_BASE + 1; + struct resource res; + int socid, ret; + + /* we need a hack to get the PIC's SoC chip id */ + ret = of_address_to_resource(node, 0, &res); + if (ret < 0) { + pr_err("PIC %s: reg property not found!\n", node->name); + return -EINVAL; + } + socid = (res.start >> 18) & 0x3; + xlp_pic_domain = irq_domain_add_legacy(node, n_picirqs, + nlm_irq_to_xirq(socid, PIC_IRQ_BASE), PIC_IRQ_BASE, + &xlp_pic_irq_domain_ops, NULL); + if (xlp_pic_domain == NULL) { + pr_err("PIC %s: Creating legacy domain failed!\n", node->name); + return -EINVAL; + } + pr_info("Node %d: IRQ domain created for PIC@%pa\n", socid, + &res.start); + return 0; +} + +static struct of_device_id __initdata xlp_pic_irq_ids[] = { + { .compatible = "netlogic,xlp-pic", .data = xlp_of_pic_init }, + {}, +}; +#endif + +void __init arch_init_irq(void) +{ + /* Initialize the irq descriptors */ + nlm_init_percpu_irqs(); + nlm_init_node_irqs(0); + write_c0_eimr(nlm_current_node()->irqmask); +#if defined(CONFIG_CPU_XLR) + nlm_setup_fmn_irq(); +#endif +#if defined(CONFIG_OF) + of_irq_init(xlp_pic_irq_ids); +#endif +} diff --git a/arch/mips/netlogic/common/smp.c b/arch/mips/netlogic/common/smp.c index 885d293b61da..4e35d9c453e2 100644 --- a/arch/mips/netlogic/common/smp.c +++ b/arch/mips/netlogic/common/smp.c @@ -116,7 +116,7 @@ void nlm_early_init_secondary(int cpu) /* * Code to run on secondary just after probing the CPU */ -static void __cpuinit nlm_init_secondary(void) +static void nlm_init_secondary(void) { int hwtid; @@ -252,7 +252,7 @@ unsupp: return 0; } -int __cpuinit nlm_wakeup_secondary_cpus(void) +int nlm_wakeup_secondary_cpus(void) { u32 *reset_data; int threadmode; diff --git a/arch/mips/netlogic/common/smpboot.S b/arch/mips/netlogic/common/smpboot.S index 528c46c5a170..aa6cff0a229b 100644 --- a/arch/mips/netlogic/common/smpboot.S +++ b/arch/mips/netlogic/common/smpboot.S @@ -70,7 +70,6 @@ FEXPORT(xlp_boot_core0_siblings) /* "Master" cpu starts from here */ nop /* not reached */ - __CPUINIT NESTED(nlm_boot_secondary_cpus, 16, sp) /* Initialize CP0 Status */ move t1, zero @@ -94,7 +93,6 @@ NESTED(nlm_boot_secondary_cpus, 16, sp) jr t0 nop END(nlm_boot_secondary_cpus) - __FINIT /* * In case of RMIboot bootloader which is used on XLR boards, the CPUs @@ -102,7 +100,6 @@ END(nlm_boot_secondary_cpus) * This will get them out of the bootloader code and into linux. Needed * because the bootloader area will be taken and initialized by linux. */ - __CPUINIT NESTED(nlm_rmiboot_preboot, 16, sp) mfc0 t0, $15, 1 /* read ebase */ andi t0, 0x1f /* t0 has the processor_id() */ @@ -140,4 +137,3 @@ NESTED(nlm_rmiboot_preboot, 16, sp) b 1b nop END(nlm_rmiboot_preboot) - __FINIT diff --git a/arch/mips/netlogic/common/time.c b/arch/mips/netlogic/common/time.c index 5c56555380bb..045a396c57ce 100644 --- a/arch/mips/netlogic/common/time.c +++ b/arch/mips/netlogic/common/time.c @@ -54,7 +54,7 @@ #error "Unknown CPU" #endif -unsigned int __cpuinit get_c0_compare_int(void) +unsigned int get_c0_compare_int(void) { return IRQ_TIMER; } |