diff options
Diffstat (limited to 'arch/mips/mips-boards/malta')
-rw-r--r-- | arch/mips/mips-boards/malta/Makefile | 5 | ||||
-rw-r--r-- | arch/mips/mips-boards/malta/malta_int.c | 14 | ||||
-rw-r--r-- | arch/mips/mips-boards/malta/malta_smtc.c | 18 |
3 files changed, 27 insertions, 10 deletions
diff --git a/arch/mips/mips-boards/malta/Makefile b/arch/mips/mips-boards/malta/Makefile index 377d9e8f250a..931ca4600a63 100644 --- a/arch/mips/mips-boards/malta/Makefile +++ b/arch/mips/mips-boards/malta/Makefile @@ -19,6 +19,9 @@ # under Linux. # -obj-y := malta_int.o malta_setup.o +obj-y := malta_int.o malta_platform.o malta_setup.o + obj-$(CONFIG_MTD) += malta_mtd.o obj-$(CONFIG_MIPS_MT_SMTC) += malta_smtc.o + +EXTRA_CFLAGS += -Werror diff --git a/arch/mips/mips-boards/malta/malta_int.c b/arch/mips/mips-boards/malta/malta_int.c index c78d48349600..b73f21823c5e 100644 --- a/arch/mips/mips-boards/malta/malta_int.c +++ b/arch/mips/mips-boards/malta/malta_int.c @@ -256,7 +256,7 @@ asmlinkage void plat_irq_dispatch(void) if (irq == MIPSCPU_INT_I8259A) malta_hw0_irqdispatch(); - else if (irq > 0) + else if (irq >= 0) do_IRQ(MIPS_CPU_IRQ_BASE + irq); else spurious_interrupt(); @@ -330,6 +330,18 @@ void __init arch_init_irq(void) (0x100 << MIPSCPU_INT_I8259A)); setup_irq_smtc (MIPS_CPU_IRQ_BASE+MIPSCPU_INT_COREHI, &corehi_irqaction, (0x100 << MIPSCPU_INT_COREHI)); + /* + * Temporary hack to ensure that the subsidiary device + * interrupts coing in via the i8259A, but associated + * with low IRQ numbers, will restore the Status.IM + * value associated with the i8259A. + */ + { + int i; + + for (i = 0; i < 16; i++) + irq_hwmask[i] = (0x100 << MIPSCPU_INT_I8259A); + } #else /* Not SMTC */ setup_irq (MIPS_CPU_IRQ_BASE+MIPSCPU_INT_I8259A, &i8259irq); setup_irq (MIPS_CPU_IRQ_BASE+MIPSCPU_INT_COREHI, &corehi_irqaction); diff --git a/arch/mips/mips-boards/malta/malta_smtc.c b/arch/mips/mips-boards/malta/malta_smtc.c index d1c80f631100..ae05d058cb37 100644 --- a/arch/mips/mips-boards/malta/malta_smtc.c +++ b/arch/mips/mips-boards/malta/malta_smtc.c @@ -1,6 +1,7 @@ /* * Malta Platform-specific hooks for SMP operation */ +#include <linux/irq.h> #include <linux/init.h> #include <asm/mipsregs.h> @@ -24,7 +25,7 @@ void core_send_ipi(int cpu, unsigned int action) * Platform "CPU" startup hook */ -void prom_boot_secondary(int cpu, struct task_struct *idle) +void __cpuinit prom_boot_secondary(int cpu, struct task_struct *idle) { smtc_boot_secondary(cpu, idle); } @@ -33,7 +34,7 @@ void prom_boot_secondary(int cpu, struct task_struct *idle) * Post-config but pre-boot cleanup entry point */ -void prom_init_secondary(void) +void __cpuinit prom_init_secondary(void) { void smtc_init_secondary(void); int myvpe; @@ -42,10 +43,11 @@ void prom_init_secondary(void) myvpe = read_c0_tcbind() & TCBIND_CURVPE; if (myvpe != 0) { /* Ideally, this should be done only once per VPE, but... */ - clear_c0_status(STATUSF_IP2); - set_c0_status(STATUSF_IP0 | STATUSF_IP1 | STATUSF_IP3 - | STATUSF_IP4 | STATUSF_IP5 | STATUSF_IP6 - | STATUSF_IP7); + clear_c0_status(ST0_IM); + set_c0_status((0x100 << cp0_compare_irq) + | (0x100 << MIPS_CPU_IPI_IRQ)); + if (cp0_perfcount_irq >= 0) + set_c0_status(0x100 << cp0_perfcount_irq); } smtc_init_secondary(); @@ -58,7 +60,7 @@ void prom_init_secondary(void) * but it may be multithreaded. */ -void plat_smp_setup(void) +void __cpuinit plat_smp_setup(void) { if (read_c0_config3() & (1<<2)) mipsmt_build_cpu_map(0); @@ -74,7 +76,7 @@ void __init plat_prepare_cpus(unsigned int max_cpus) * SMP initialization finalization entry point */ -void prom_smp_finish(void) +void __cpuinit prom_smp_finish(void) { smtc_smp_finish(); } |