diff options
Diffstat (limited to 'arch/mips')
54 files changed, 544 insertions, 440 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 705a7a9170f3..03bd56a2fb6e 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -1012,9 +1012,9 @@ config BOOT_ELF32 config MIPS_L1_CACHE_SHIFT int - default "4" if MACH_DECSTATION || MIKROTIK_RB532 + default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL + default "6" if MIPS_CPU_SCACHE default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON - default "4" if PMC_MSP4200_EVAL default "5" config HAVE_STD_PC_SERIAL_PORT diff --git a/arch/mips/alchemy/common/irq.c b/arch/mips/alchemy/common/irq.c index c88c821b4c36..d670928afcfd 100644 --- a/arch/mips/alchemy/common/irq.c +++ b/arch/mips/alchemy/common/irq.c @@ -354,6 +354,28 @@ static void au1x_ic1_ack(unsigned int irq_nr) au_sync(); } +static void au1x_ic0_maskack(unsigned int irq_nr) +{ + unsigned int bit = irq_nr - AU1000_INTC0_INT_BASE; + + au_writel(1 << bit, IC0_WAKECLR); + au_writel(1 << bit, IC0_MASKCLR); + au_writel(1 << bit, IC0_RISINGCLR); + au_writel(1 << bit, IC0_FALLINGCLR); + au_sync(); +} + +static void au1x_ic1_maskack(unsigned int irq_nr) +{ + unsigned int bit = irq_nr - AU1000_INTC1_INT_BASE; + + au_writel(1 << bit, IC1_WAKECLR); + au_writel(1 << bit, IC1_MASKCLR); + au_writel(1 << bit, IC1_RISINGCLR); + au_writel(1 << bit, IC1_FALLINGCLR); + au_sync(); +} + static int au1x_ic1_setwake(unsigned int irq, unsigned int on) { unsigned int bit = irq - AU1000_INTC1_INT_BASE; @@ -379,25 +401,21 @@ static int au1x_ic1_setwake(unsigned int irq, unsigned int on) /* * irq_chips for both ICs; this way the mask handlers can be * as short as possible. - * - * NOTE: the ->ack() callback is used by the handle_edge_irq - * flowhandler only, the ->mask_ack() one by handle_level_irq, - * so no need for an irq_chip for each type of irq (level/edge). */ static struct irq_chip au1x_ic0_chip = { .name = "Alchemy-IC0", - .ack = au1x_ic0_ack, /* edge */ + .ack = au1x_ic0_ack, .mask = au1x_ic0_mask, - .mask_ack = au1x_ic0_mask, /* level */ + .mask_ack = au1x_ic0_maskack, .unmask = au1x_ic0_unmask, .set_type = au1x_ic_settype, }; static struct irq_chip au1x_ic1_chip = { .name = "Alchemy-IC1", - .ack = au1x_ic1_ack, /* edge */ + .ack = au1x_ic1_ack, .mask = au1x_ic1_mask, - .mask_ack = au1x_ic1_mask, /* level */ + .mask_ack = au1x_ic1_maskack, .unmask = au1x_ic1_unmask, .set_type = au1x_ic_settype, .set_wake = au1x_ic1_setwake, diff --git a/arch/mips/alchemy/mtx-1/board_setup.c b/arch/mips/alchemy/mtx-1/board_setup.c index cc32c69a74ad..45b61c9b82b9 100644 --- a/arch/mips/alchemy/mtx-1/board_setup.c +++ b/arch/mips/alchemy/mtx-1/board_setup.c @@ -69,6 +69,7 @@ void __init board_setup(void) #else au_writel(0xf, Au1500_PCI_CFG); #endif + board_pci_idsel = mtx1_pci_idsel; #endif /* Initialize sys_pinfunc */ @@ -85,8 +86,6 @@ void __init board_setup(void) alchemy_gpio_direction_output(211, 1); /* green on */ alchemy_gpio_direction_output(212, 0); /* red off */ - board_pci_idsel = mtx1_pci_idsel; - printk(KERN_INFO "4G Systems MTX-1 Board\n"); } diff --git a/arch/mips/ar7/platform.c b/arch/mips/ar7/platform.c index e2278c04459d..835f3f0319ca 100644 --- a/arch/mips/ar7/platform.c +++ b/arch/mips/ar7/platform.c @@ -503,6 +503,7 @@ static int __init ar7_register_devices(void) { u16 chip_id; int res; + u32 *bootcr, val; #ifdef CONFIG_SERIAL_8250 static struct uart_port uart_port[2]; @@ -595,7 +596,13 @@ static int __init ar7_register_devices(void) ar7_wdt_res.end = ar7_wdt_res.start + 0x20; - res = platform_device_register(&ar7_wdt); + bootcr = (u32 *)ioremap_nocache(AR7_REGS_DCL, 4); + val = *bootcr; + iounmap(bootcr); + + /* Register watchdog only if enabled in hardware */ + if (val & AR7_WDT_HW_ENA) + res = platform_device_register(&ar7_wdt); return res; } diff --git a/arch/mips/bcm63xx/Makefile b/arch/mips/bcm63xx/Makefile index c146d1ededed..00064b660809 100644 --- a/arch/mips/bcm63xx/Makefile +++ b/arch/mips/bcm63xx/Makefile @@ -1,5 +1,5 @@ obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \ - dev-dsp.o dev-enet.o dev-pcmcia.o dev-uart.o + dev-dsp.o dev-enet.o dev-pcmcia.o dev-uart.o dev-wdt.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o obj-y += boards/ diff --git a/arch/mips/bcm63xx/boards/board_bcm963xx.c b/arch/mips/bcm63xx/boards/board_bcm963xx.c index 78e155d21be6..05a35cf5963d 100644 --- a/arch/mips/bcm63xx/boards/board_bcm963xx.c +++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c @@ -24,7 +24,6 @@ #include <bcm63xx_dev_enet.h> #include <bcm63xx_dev_dsp.h> #include <bcm63xx_dev_pcmcia.h> -#include <bcm63xx_dev_uart.h> #include <board_bcm963xx.h> #define PFX "board_bcm963xx: " @@ -794,8 +793,6 @@ int __init board_register_devices(void) { u32 val; - bcm63xx_uart_register(); - if (board.has_pccard) bcm63xx_pcmcia_register(); diff --git a/arch/mips/bcm63xx/cpu.c b/arch/mips/bcm63xx/cpu.c index 6dc43f0483e8..70378bb5e3f9 100644 --- a/arch/mips/bcm63xx/cpu.c +++ b/arch/mips/bcm63xx/cpu.c @@ -10,6 +10,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/cpu.h> +#include <asm/cpu-info.h> #include <bcm63xx_cpu.h> #include <bcm63xx_regs.h> #include <bcm63xx_io.h> @@ -284,6 +285,7 @@ void __init bcm63xx_cpu_init(void) { unsigned int tmp, expected_cpu_id; struct cpuinfo_mips *c = ¤t_cpu_data; + unsigned int cpu = smp_processor_id(); /* soc registers location depends on cpu type */ expected_cpu_id = 0; @@ -293,6 +295,7 @@ void __init bcm63xx_cpu_init(void) * BCM6338 as the same PrId as BCM3302 see arch/mips/kernel/cpu-probe.c */ case CPU_BCM3302: + __cpu_name[cpu] = "Broadcom BCM6338"; expected_cpu_id = BCM6338_CPU_ID; bcm63xx_regs_base = bcm96338_regs_base; bcm63xx_irqs = bcm96338_irqs; diff --git a/arch/mips/bcm63xx/dev-uart.c b/arch/mips/bcm63xx/dev-uart.c index 5f3d89c4a988..b0519461ad9b 100644 --- a/arch/mips/bcm63xx/dev-uart.c +++ b/arch/mips/bcm63xx/dev-uart.c @@ -10,7 +10,6 @@ #include <linux/kernel.h> #include <linux/platform_device.h> #include <bcm63xx_cpu.h> -#include <bcm63xx_dev_uart.h> static struct resource uart_resources[] = { { @@ -39,3 +38,4 @@ int __init bcm63xx_uart_register(void) uart_resources[1].start = bcm63xx_get_irq_number(IRQ_UART0); return platform_device_register(&bcm63xx_uart_device); } +arch_initcall(bcm63xx_uart_register); diff --git a/arch/mips/bcm63xx/dev-wdt.c b/arch/mips/bcm63xx/dev-wdt.c new file mode 100644 index 000000000000..3e6c716a4c11 --- /dev/null +++ b/arch/mips/bcm63xx/dev-wdt.c @@ -0,0 +1,37 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org> + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <bcm63xx_cpu.h> + +static struct resource wdt_resources[] = { + { + .start = -1, /* filled at runtime */ + .end = -1, /* filled at runtime */ + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device bcm63xx_wdt_device = { + .name = "bcm63xx-wdt", + .id = 0, + .num_resources = ARRAY_SIZE(wdt_resources), + .resource = wdt_resources, +}; + +int __init bcm63xx_wdt_register(void) +{ + wdt_resources[0].start = bcm63xx_regset_address(RSET_WDT); + wdt_resources[0].end = wdt_resources[0].start; + wdt_resources[0].end += RSET_WDT_SIZE - 1; + + return platform_device_register(&bcm63xx_wdt_device); +} +arch_initcall(bcm63xx_wdt_register); diff --git a/arch/mips/bcm63xx/setup.c b/arch/mips/bcm63xx/setup.c index b18a0ca926fa..d0056598fbfc 100644 --- a/arch/mips/bcm63xx/setup.c +++ b/arch/mips/bcm63xx/setup.c @@ -75,7 +75,9 @@ void bcm63xx_machine_reboot(void) bcm6348_a1_reboot(); printk(KERN_INFO "triggering watchdog soft-reset...\n"); - bcm_perf_writel(SYS_PLL_SOFT_RESET, PERF_SYS_PLL_CTL_REG); + reg = bcm_perf_readl(PERF_SYS_PLL_CTL_REG); + reg |= SYS_PLL_SOFT_RESET; + bcm_perf_writel(reg, PERF_SYS_PLL_CTL_REG); while (1) ; } diff --git a/arch/mips/cavium-octeon/octeon-irq.c b/arch/mips/cavium-octeon/octeon-irq.c index 384f1842bfb1..6f2acf09328d 100644 --- a/arch/mips/cavium-octeon/octeon-irq.c +++ b/arch/mips/cavium-octeon/octeon-irq.c @@ -17,6 +17,15 @@ DEFINE_RWLOCK(octeon_irq_ciu0_rwlock); DEFINE_RWLOCK(octeon_irq_ciu1_rwlock); DEFINE_SPINLOCK(octeon_irq_msi_lock); +static int octeon_coreid_for_cpu(int cpu) +{ +#ifdef CONFIG_SMP + return cpu_logical_map(cpu); +#else + return cvmx_get_core_num(); +#endif +} + static void octeon_irq_core_ack(unsigned int irq) { unsigned int bit = irq - OCTEON_IRQ_SW0; @@ -152,11 +161,10 @@ static void octeon_irq_ciu0_disable(unsigned int irq) int bit = irq - OCTEON_IRQ_WORKQ0; /* Bit 0-63 of EN0 */ unsigned long flags; uint64_t en0; -#ifdef CONFIG_SMP int cpu; write_lock_irqsave(&octeon_irq_ciu0_rwlock, flags); for_each_online_cpu(cpu) { - int coreid = cpu_logical_map(cpu); + int coreid = octeon_coreid_for_cpu(cpu); en0 = cvmx_read_csr(CVMX_CIU_INTX_EN0(coreid * 2)); en0 &= ~(1ull << bit); cvmx_write_csr(CVMX_CIU_INTX_EN0(coreid * 2), en0); @@ -167,26 +175,57 @@ static void octeon_irq_ciu0_disable(unsigned int irq) */ cvmx_read_csr(CVMX_CIU_INTX_EN0(cvmx_get_core_num() * 2)); write_unlock_irqrestore(&octeon_irq_ciu0_rwlock, flags); -#else - int coreid = cvmx_get_core_num(); - local_irq_save(flags); - en0 = cvmx_read_csr(CVMX_CIU_INTX_EN0(coreid * 2)); - en0 &= ~(1ull << bit); - cvmx_write_csr(CVMX_CIU_INTX_EN0(coreid * 2), en0); - cvmx_read_csr(CVMX_CIU_INTX_EN0(coreid * 2)); - local_irq_restore(flags); -#endif +} + +/* + * Enable the irq on the current core for chips that have the EN*_W1{S,C} + * registers. + */ +static void octeon_irq_ciu0_enable_v2(unsigned int irq) +{ + int index = cvmx_get_core_num() * 2; + u64 mask = 1ull << (irq - OCTEON_IRQ_WORKQ0); + + cvmx_write_csr(CVMX_CIU_INTX_EN0_W1S(index), mask); +} + +/* + * Disable the irq on the current core for chips that have the EN*_W1{S,C} + * registers. + */ +static void octeon_irq_ciu0_disable_v2(unsigned int irq) +{ + int index = cvmx_get_core_num() * 2; + u64 mask = 1ull << (irq - OCTEON_IRQ_WORKQ0); + + cvmx_write_csr(CVMX_CIU_INTX_EN0_W1C(index), mask); +} + +/* + * Disable the irq on the all cores for chips that have the EN*_W1{S,C} + * registers. + */ +static void octeon_irq_ciu0_disable_all_v2(unsigned int irq) +{ + u64 mask = 1ull << (irq - OCTEON_IRQ_WORKQ0); + int index; + int cpu; + for_each_online_cpu(cpu) { + index = octeon_coreid_for_cpu(cpu) * 2; + cvmx_write_csr(CVMX_CIU_INTX_EN0_W1C(index), mask); + } } #ifdef CONFIG_SMP static int octeon_irq_ciu0_set_affinity(unsigned int irq, const struct cpumask *dest) { int cpu; + unsigned long flags; int bit = irq - OCTEON_IRQ_WORKQ0; /* Bit 0-63 of EN0 */ - write_lock(&octeon_irq_ciu0_rwlock); + write_lock_irqsave(&octeon_irq_ciu0_rwlock, flags); for_each_online_cpu(cpu) { - int coreid = cpu_logical_map(cpu); + int coreid = octeon_coreid_for_cpu(cpu); uint64_t en0 = cvmx_read_csr(CVMX_CIU_INTX_EN0(coreid * 2)); if (cpumask_test_cpu(cpu, dest)) @@ -200,11 +239,45 @@ static int octeon_irq_ciu0_set_affinity(unsigned int irq, const struct cpumask * * of them are done. */ cvmx_read_csr(CVMX_CIU_INTX_EN0(cvmx_get_core_num() * 2)); - write_unlock(&octeon_irq_ciu0_rwlock); + write_unlock_irqrestore(&octeon_irq_ciu0_rwlock, flags); return 0; } + +/* + * Set affinity for the irq for chips that have the EN*_W1{S,C} + * registers. + */ +static int octeon_irq_ciu0_set_affinity_v2(unsigned int irq, + const struct cpumask *dest) +{ + int cpu; + int index; + u64 mask = 1ull << (irq - OCTEON_IRQ_WORKQ0); + for_each_online_cpu(cpu) { + index = octeon_coreid_for_cpu(cpu) * 2; + if (cpumask_test_cpu(cpu, dest)) + cvmx_write_csr(CVMX_CIU_INTX_EN0_W1S(index), mask); + else + cvmx_write_csr(CVMX_CIU_INTX_EN0_W1C(index), mask); + } + return 0; +} +#endif + +/* + * Newer octeon chips have support for lockless CIU operation. + */ +static struct irq_chip octeon_irq_chip_ciu0_v2 = { + .name = "CIU0", + .enable = octeon_irq_ciu0_enable_v2, + .disable = octeon_irq_ciu0_disable_all_v2, + .ack = octeon_irq_ciu0_disable_v2, + .eoi = octeon_irq_ciu0_enable_v2, +#ifdef CONFIG_SMP + .set_affinity = octeon_irq_ciu0_set_affinity_v2, #endif +}; static struct irq_chip octeon_irq_chip_ciu0 = { .name = "CIU0", @@ -269,11 +342,10 @@ static void octeon_irq_ciu1_disable(unsigned int irq) int bit = irq - OCTEON_IRQ_WDOG0; /* Bit 0-63 of EN1 */ unsigned long flags; uint64_t en1; -#ifdef CONFIG_SMP int cpu; write_lock_irqsave(&octeon_irq_ciu1_rwlock, flags); for_each_online_cpu(cpu) { - int coreid = cpu_logical_map(cpu); + int coreid = octeon_coreid_for_cpu(cpu); en1 = cvmx_read_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1)); en1 &= ~(1ull << bit); cvmx_write_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1), en1); @@ -284,26 +356,58 @@ static void octeon_irq_ciu1_disable(unsigned int irq) */ cvmx_read_csr(CVMX_CIU_INTX_EN1(cvmx_get_core_num() * 2 + 1)); write_unlock_irqrestore(&octeon_irq_ciu1_rwlock, flags); -#else - int coreid = cvmx_get_core_num(); - local_irq_save(flags); - en1 = cvmx_read_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1)); - en1 &= ~(1ull << bit); - cvmx_write_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1), en1); - cvmx_read_csr(CVMX_CIU_INTX_EN1(coreid * 2 + 1)); - local_irq_restore(flags); -#endif +} + +/* + * Enable the irq on the current core for chips that have the EN*_W1{S,C} + * registers. + */ +static void octeon_irq_ciu1_enable_v2(unsigned int irq) +{ + int index = cvmx_get_core_num() * 2 + 1; + u64 mask = 1ull << (irq - OCTEON_IRQ_WDOG0); + + cvmx_write_csr(CVMX_CIU_INTX_EN1_W1S(index), mask); +} + +/* + * Disable the irq on the current core for chips that have the EN*_W1{S,C} + * registers. + */ +static void octeon_irq_ciu1_disable_v2(unsigned int irq) +{ + int index = cvmx_get_core_num() * 2 + 1; + u64 mask = 1ull << (irq - OCTEON_IRQ_WDOG0); + + cvmx_write_csr(CVMX_CIU_INTX_EN1_W1C(index), mask); +} + +/* + * Disable the irq on the all cores for chips that have the EN*_W1{S,C} + * registers. + */ +static void octeon_irq_ciu1_disable_all_v2(unsigned int irq) +{ + u64 mask = 1ull << (irq - OCTEON_IRQ_WDOG0); + int index; + int cpu; + for_each_online_cpu(cpu) { + index = octeon_coreid_for_cpu(cpu) * 2 + 1; + cvmx_write_csr(CVMX_CIU_INTX_EN1_W1C(index), mask); + } } #ifdef CONFIG_SMP -static int octeon_irq_ciu1_set_affinity(unsigned int irq, const struct cpumask *dest) +static int octeon_irq_ciu1_set_affinity(unsigned int irq, + const struct cpumask *dest) { int cpu; + unsigned long flags; int bit = irq - OCTEON_IRQ_WDOG0; /* Bit 0-63 of EN1 */ - write_lock(&octeon_irq_ciu1_rwlock); + write_lock_irqsave(&octeon_irq_ciu1_rwlock, flags); for_each_online_cpu(cpu) { - int coreid = cpu_logical_map(cpu); + int coreid = octeon_coreid_for_cpu(cpu); uint64_t en1 = cvmx_read_csr(CVMX_CIU_INTX_EN1 (coreid * 2 + 1)); @@ -318,12 +422,46 @@ static int octeon_irq_ciu1_set_affinity(unsigned int irq, const struct cpumask * * of them are done. */ cvmx_read_csr(CVMX_CIU_INTX_EN1(cvmx_get_core_num() * 2 + 1)); - write_unlock(&octeon_irq_ciu1_rwlock); + write_unlock_irqrestore(&octeon_irq_ciu1_rwlock, flags); + + return 0; +} +/* + * Set affinity for the irq for chips that have the EN*_W1{S,C} + * registers. + */ +static int octeon_irq_ciu1_set_affinity_v2(unsigned int irq, + const struct cpumask *dest) +{ + int cpu; + int index; + u64 mask = 1ull << (irq - OCTEON_IRQ_WDOG0); + for_each_online_cpu(cpu) { + index = octeon_coreid_for_cpu(cpu) * 2 + 1; + if (cpumask_test_cpu(cpu, dest)) + cvmx_write_csr(CVMX_CIU_INTX_EN1_W1S(index), mask); + else + cvmx_write_csr(CVMX_CIU_INTX_EN1_W1C(index), mask); + } return 0; } #endif +/* + * Newer octeon chips have support for lockless CIU operation. + */ +static struct irq_chip octeon_irq_chip_ciu1_v2 = { + .name = "CIU0", + .enable = octeon_irq_ciu1_enable_v2, + .disable = octeon_irq_ciu1_disable_all_v2, + .ack = octeon_irq_ciu1_disable_v2, + .eoi = octeon_irq_ciu1_enable_v2, +#ifdef CONFIG_SMP + .set_affinity = octeon_irq_ciu1_set_affinity_v2, +#endif +}; + static struct irq_chip octeon_irq_chip_ciu1 = { .name = "CIU1", .enable = octeon_irq_ciu1_enable, @@ -420,6 +558,8 @@ static struct irq_chip octeon_irq_chip_msi = { void __init arch_init_irq(void) { int irq; + struct irq_chip *chip0; + struct irq_chip *chip1; #ifdef CONFIG_SMP /* Set the default affinity to the boot cpu. */ @@ -430,6 +570,16 @@ void __init arch_init_irq(void) if (NR_IRQS < OCTEON_IRQ_LAST) pr_err("octeon_irq_init: NR_IRQS is set too low\n"); + if (OCTEON_IS_MODEL(OCTEON_CN58XX_PASS2_X) || + OCTEON_IS_MODEL(OCTEON_CN56XX_PASS2_X) || + OCTEON_IS_MODEL(OCTEON_CN52XX_PASS2_X)) { + chip0 = &octeon_irq_chip_ciu0_v2; + chip1 = &octeon_irq_chip_ciu1_v2; + } else { + chip0 = &octeon_irq_chip_ciu0; + chip1 = &octeon_irq_chip_ciu1; + } + /* 0 - 15 reserved for i8259 master and slave controller. */ /* 17 - 23 Mips internal */ @@ -440,14 +590,12 @@ void __init arch_init_irq(void) /* 24 - 87 CIU_INT_SUM0 */ for (irq = OCTEON_IRQ_WORKQ0; irq <= OCTEON_IRQ_BOOTDMA; irq++) { - set_irq_chip_and_handler(irq, &octeon_irq_chip_ciu0, - handle_percpu_irq); + set_irq_chip_and_handler(irq, chip0, handle_percpu_irq); } /* 88 - 151 CIU_INT_SUM1 */ for (irq = OCTEON_IRQ_WDOG0; irq <= OCTEON_IRQ_RESERVED151; irq++) { - set_irq_chip_and_handler(irq, &octeon_irq_chip_ciu1, - handle_percpu_irq); + set_irq_chip_and_handler(irq, chip1, handle_percpu_irq); } #ifdef CONFIG_PCI_MSI @@ -505,14 +653,10 @@ asmlinkage void plat_irq_dispatch(void) #ifdef CONFIG_HOTPLUG_CPU static int is_irq_enabled_on_cpu(unsigned int irq, unsigned int cpu) { - unsigned int isset; -#ifdef CONFIG_SMP - int coreid = cpu_logical_map(cpu); -#else - int coreid = cvmx_get_core_num(); -#endif + unsigned int isset; + int coreid = octeon_coreid_for_cpu(cpu); int bit = (irq < OCTEON_IRQ_WDOG0) ? - irq - OCTEON_IRQ_WORKQ0 : irq - OCTEON_IRQ_WDOG0; + irq - OCTEON_IRQ_WORKQ0 : irq - OCTEON_IRQ_WDOG0; if (irq < 64) { isset = (cvmx_read_csr(CVMX_CIU_INTX_EN0(coreid * 2)) & (1ull << bit)) >> bit; diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c index 32d51a31dc48..c198efdf583e 100644 --- a/arch/mips/cavium-octeon/smp.c +++ b/arch/mips/cavium-octeon/smp.c @@ -65,11 +65,12 @@ void octeon_send_ipi_single(int cpu, unsigned int action) cvmx_write_csr(CVMX_CIU_MBOX_SETX(coreid), action); } -static inline void octeon_send_ipi_mask(cpumask_t mask, unsigned int action) +static inline void octeon_send_ipi_mask(const struct cpumask *mask, + unsigned int action) { unsigned int i; - for_each_cpu_mask(i, mask) + for_each_cpu_mask(i, *mask) octeon_send_ipi_single(i, action); } diff --git a/arch/mips/include/asm/fixmap.h b/arch/mips/include/asm/fixmap.h index efeddc8db8b1..0b89b83e2055 100644 --- a/arch/mips/include/asm/fixmap.h +++ b/arch/mips/include/asm/fixmap.h @@ -48,9 +48,9 @@ enum fixed_addresses { #define FIX_N_COLOURS 8 FIX_CMAP_BEGIN, #ifdef CONFIG_MIPS_MT_SMTC - FIX_CMAP_END = FIX_CMAP_BEGIN + (FIX_N_COLOURS * NR_CPUS), + FIX_CMAP_END = FIX_CMAP_BEGIN + (FIX_N_COLOURS * NR_CPUS * 2), #else - FIX_CMAP_END = FIX_CMAP_BEGIN + FIX_N_COLOURS, + FIX_CMAP_END = FIX_CMAP_BEGIN + (FIX_N_COLOURS * 2), #endif #ifdef CONFIG_HIGHMEM /* reserved pte's for temporary kernel mappings */ diff --git a/arch/mips/include/asm/gcmpregs.h b/arch/mips/include/asm/gcmpregs.h index 36fd969d64d6..c0cf76a2ca89 100644 --- a/arch/mips/include/asm/gcmpregs.h +++ b/arch/mips/include/asm/gcmpregs.h @@ -19,15 +19,20 @@ #define GCMP_GDB_OFS 0x8000 /* Global Debug Block */ /* Offsets to individual GCMP registers from GCMP base */ -#define GCMPOFS(block, tag, reg) (GCMP_##block##_OFS + GCMP_##tag##_##reg##_OFS) +#define GCMPOFS(block, tag, reg) \ + (GCMP_##block##_OFS + GCMP_##tag##_##reg##_OFS) +#define GCMPOFSn(block, tag, reg, n) \ + (GCMP_##block##_OFS + GCMP_##tag##_##reg##_OFS(n)) #define GCMPGCBOFS(reg) GCMPOFS(GCB, GCB, reg) +#define GCMPGCBOFSn(reg, n) GCMPOFSn(GCB, GCB, reg, n) #define GCMPCLCBOFS(reg) GCMPOFS(CLCB, CCB, reg) #define GCMPCOCBOFS(reg) GCMPOFS(COCB, CCB, reg) #define GCMPGDBOFS(reg) GCMPOFS(GDB, GDB, reg) /* GCMP register access */ #define GCMPGCB(reg) REGP(_gcmp_base, GCMPGCBOFS(reg)) +#define GCMPGCBn(reg, n) REGP(_gcmp_base, GCMPGCBOFSn(reg, n)) #define GCMPCLCB(reg) REGP(_gcmp_base, GCMPCLCBOFS(reg)) #define GCMPCOCB(reg) REGP(_gcmp_base, GCMPCOCBOFS(reg)) #define GCMPGDB(reg) REGP(_gcmp_base, GCMPGDBOFS(reg)) @@ -49,10 +54,10 @@ #define GCMP_GCB_GCMPB_GCMPBASE_MSK GCMPGCBMSK(GCMPB_GCMPBASE, 17) #define GCMP_GCB_GCMPB_CMDEFTGT_SHF 0 #define GCMP_GCB_GCMPB_CMDEFTGT_MSK GCMPGCBMSK(GCMPB_CMDEFTGT, 2) -#define GCMP_GCB_GCMPB_CMDEFTGT_MEM 0 -#define GCMP_GCB_GCMPB_CMDEFTGT_MEM1 1 -#define GCMP_GCB_GCMPB_CMDEFTGT_IOCU1 2 -#define GCMP_GCB_GCMPB_CMDEFTGT_IOCU2 3 +#define GCMP_GCB_GCMPB_CMDEFTGT_DISABLED 0 +#define GCMP_GCB_GCMPB_CMDEFTGT_MEM 1 +#define GCMP_GCB_GCMPB_CMDEFTGT_IOCU1 2 +#define GCMP_GCB_GCMPB_CMDEFTGT_IOCU2 3 #define GCMP_GCB_CCMC_OFS 0x0010 /* Global CM Control */ #define GCMP_GCB_GCSRAP_OFS 0x0020 /* Global CSR Access Privilege */ #define GCMP_GCB_GCSRAP_CMACCESS_SHF 0 @@ -115,5 +120,6 @@ #define GCMP_CCB_DBGGROUP_OFS 0x0100 /* DebugBreak Group */ extern int __init gcmp_probe(unsigned long, unsigned long); - +extern int __init gcmp_niocu(void); +extern void __init gcmp_setregion(int, unsigned long, unsigned long, int); #endif /* _ASM_GCMPREGS_H */ diff --git a/arch/mips/include/asm/gic.h b/arch/mips/include/asm/gic.h index a8f57341f123..9b9436a4d816 100644 --- a/arch/mips/include/asm/gic.h +++ b/arch/mips/include/asm/gic.h @@ -12,7 +12,6 @@ #define _ASM_GICREGS_H #undef GICISBYTELITTLEENDIAN -#define GICISWORDLITTLEENDIAN /* Constants */ #define GIC_POL_POS 1 @@ -20,11 +19,7 @@ #define GIC_TRIG_EDGE 1 #define GIC_TRIG_LEVEL 0 -#ifdef CONFIG_SMP #define GIC_NUM_INTRS (24 + NR_CPUS * 2) -#else -#define GIC_NUM_INTRS 32 -#endif #define MSK(n) ((1 << (n)) - 1) #define REG32(addr) (*(volatile unsigned int *) (addr)) @@ -70,13 +65,13 @@ #define USM_VISIBLE_SECTION_SIZE 0x10000 /* Register Map for Shared Section */ -#if defined(CONFIG_CPU_LITTLE_ENDIAN) || defined(GICISWORDLITTLEENDIAN) #define GIC_SH_CONFIG_OFS 0x0000 /* Shared Global Counter */ #define GIC_SH_COUNTER_31_00_OFS 0x0010 #define GIC_SH_COUNTER_63_32_OFS 0x0014 +#define GIC_SH_REVISIONID_OFS 0x0020 /* Interrupt Polarity */ #define GIC_SH_POL_31_0_OFS 0x0100 @@ -164,24 +159,31 @@ (GIC_SH_INTR_MAP_TO_VPE_BASE_OFS + (32 * (intr)) + (((vpe) / 32) * 4)) #define GIC_SH_MAP_TO_VPE_REG_BIT(vpe) (1 << ((vpe) % 32)) +/* Convert an interrupt number to a byte offset/bit for multi-word registers */ +#define GIC_INTR_OFS(intr) (((intr) / 32)*4) +#define GIC_INTR_BIT(intr) ((intr) % 32) + /* Polarity : Reset Value is always 0 */ #define GIC_SH_SET_POLARITY_OFS 0x0100 #define GIC_SET_POLARITY(intr, pol) \ - GICBIS(GIC_REG_ADDR(SHARED, GIC_SH_SET_POLARITY_OFS + (((intr) / 32) * 4)), (pol) << ((intr) % 32)) + GICBIS(GIC_REG_ADDR(SHARED, GIC_SH_SET_POLARITY_OFS + \ + GIC_INTR_OFS(intr)), (pol) << GIC_INTR_BIT(intr)) /* Triggering : Reset Value is always 0 */ #define GIC_SH_SET_TRIGGER_OFS 0x0180 #define GIC_SET_TRIGGER(intr, trig) \ - GICBIS(GIC_REG_ADDR(SHARED, GIC_SH_SET_TRIGGER_OFS + (((intr) / 32) * 4)), (trig) << ((intr) % 32)) + GICBIS(GIC_REG_ADDR(SHARED, GIC_SH_SET_TRIGGER_OFS + \ + GIC_INTR_OFS(intr)), (trig) << GIC_INTR_BIT(intr)) /* Mask manipulation */ #define GIC_SH_SMASK_OFS 0x0380 -#define GIC_SET_INTR_MASK(intr, val) \ - GICWRITE(GIC_REG_ADDR(SHARED, GIC_SH_SMASK_OFS + (((intr) / 32) * 4)), ((val) << ((intr) % 32))) - +#define GIC_SET_INTR_MASK(intr) \ + GICWRITE(GIC_REG_ADDR(SHARED, GIC_SH_SMASK_OFS + \ + GIC_INTR_OFS(intr)), 1 << GIC_INTR_BIT(intr)) #define GIC_SH_RMASK_OFS 0x0300 -#define GIC_CLR_INTR_MASK(intr, val) \ - GICWRITE(GIC_REG_ADDR(SHARED, GIC_SH_RMASK_OFS + (((intr) / 32) * 4)), ((val) << ((intr) % 32))) +#define GIC_CLR_INTR_MASK(intr) \ + GICWRITE(GIC_REG_ADDR(SHARED, GIC_SH_RMASK_OFS + \ + GIC_INTR_OFS(intr)), 1 << GIC_INTR_BIT(intr)) /* Register Map for Local Section */ #define GIC_VPE_CTL_OFS 0x0000 @@ -219,161 +221,6 @@ #define GIC_UMV_SH_COUNTER_31_00_OFS 0x0000 #define GIC_UMV_SH_COUNTER_63_32_OFS 0x0004 -#else /* CONFIG_CPU_BIG_ENDIAN */ - -#define GIC_SH_CONFIG_OFS 0x0000 - -/* Shared Global Counter */ -#define GIC_SH_COUNTER_31_00_OFS 0x0014 -#define GIC_SH_COUNTER_63_32_OFS 0x0010 - -/* Interrupt Polarity */ -#define GIC_SH_POL_31_0_OFS 0x0104 -#define GIC_SH_POL_63_32_OFS 0x0100 -#define GIC_SH_POL_95_64_OFS 0x010c -#define GIC_SH_POL_127_96_OFS 0x0108 -#define GIC_SH_POL_159_128_OFS 0x0114 -#define GIC_SH_POL_191_160_OFS 0x0110 -#define GIC_SH_POL_223_192_OFS 0x011c -#define GIC_SH_POL_255_224_OFS 0x0118 - -/* Edge/Level Triggering */ -#define GIC_SH_TRIG_31_0_OFS 0x0184 -#define GIC_SH_TRIG_63_32_OFS 0x0180 -#define GIC_SH_TRIG_95_64_OFS 0x018c -#define GIC_SH_TRIG_127_96_OFS 0x0188 -#define GIC_SH_TRIG_159_128_OFS 0x0194 -#define GIC_SH_TRIG_191_160_OFS 0x0190 -#define GIC_SH_TRIG_223_192_OFS 0x019c -#define GIC_SH_TRIG_255_224_OFS 0x0198 - -/* Dual Edge Triggering */ -#define GIC_SH_DUAL_31_0_OFS 0x0204 -#define GIC_SH_DUAL_63_32_OFS 0x0200 -#define GIC_SH_DUAL_95_64_OFS 0x020c -#define GIC_SH_DUAL_127_96_OFS 0x0208 -#define GIC_SH_DUAL_159_128_OFS 0x0214 -#define GIC_SH_DUAL_191_160_OFS 0x0210 -#define GIC_SH_DUAL_223_192_OFS 0x021c -#define GIC_SH_DUAL_255_224_OFS 0x0218 - -/* Set/Clear corresponding bit in Edge Detect Register */ -#define GIC_SH_WEDGE_OFS 0x0280 - -/* Reset Mask - Disables Interrupt */ -#define GIC_SH_RMASK_31_0_OFS 0x0304 -#define GIC_SH_RMASK_63_32_OFS 0x0300 -#define GIC_SH_RMASK_95_64_OFS 0x030c -#define GIC_SH_RMASK_127_96_OFS 0x0308 -#define GIC_SH_RMASK_159_128_OFS 0x0314 -#define GIC_SH_RMASK_191_160_OFS 0x0310 -#define GIC_SH_RMASK_223_192_OFS 0x031c -#define GIC_SH_RMASK_255_224_OFS 0x0318 - -/* Set Mask (WO) - Enables Interrupt */ -#define GIC_SH_SMASK_31_0_OFS 0x0384 -#define GIC_SH_SMASK_63_32_OFS 0x0380 -#define GIC_SH_SMASK_95_64_OFS 0x038c -#define GIC_SH_SMASK_127_96_OFS 0x0388 -#define GIC_SH_SMASK_159_128_OFS 0x0394 -#define GIC_SH_SMASK_191_160_OFS 0x0390 -#define GIC_SH_SMASK_223_192_OFS 0x039c -#define GIC_SH_SMASK_255_224_OFS 0x0398 - -/* Global Interrupt Mask Register (RO) - Bit Set == Interrupt enabled */ -#define GIC_SH_MASK_31_0_OFS 0x0404 -#define GIC_SH_MASK_63_32_OFS 0x0400 -#define GIC_SH_MASK_95_64_OFS 0x040c -#define GIC_SH_MASK_127_96_OFS 0x0408 -#define GIC_SH_MASK_159_128_OFS 0x0414 -#define GIC_SH_MASK_191_160_OFS 0x0410 -#define GIC_SH_MASK_223_192_OFS 0x041c -#define GIC_SH_MASK_255_224_OFS 0x0418 - -/* Pending Global Interrupts (RO) */ -#define GIC_SH_PEND_31_0_OFS 0x0484 -#define GIC_SH_PEND_63_32_OFS 0x0480 -#define GIC_SH_PEND_95_64_OFS 0x048c -#define GIC_SH_PEND_127_96_OFS 0x0488 -#define GIC_SH_PEND_159_128_OFS 0x0494 -#define GIC_SH_PEND_191_160_OFS 0x0490 -#define GIC_SH_PEND_223_192_OFS 0x049c -#define GIC_SH_PEND_255_224_OFS 0x0498 - -#define GIC_SH_INTR_MAP_TO_PIN_BASE_OFS 0x0500 - -/* Maps Interrupt X to a Pin */ -#define GIC_SH_MAP_TO_PIN(intr) \ - (GIC_SH_INTR_MAP_TO_PIN_BASE_OFS + (4 * intr)) - -#define GIC_SH_INTR_MAP_TO_VPE_BASE_OFS 0x2004 - -/* - * Maps Interrupt X to a VPE. This is more complex than the LE case, as - * odd and even registers need to be transposed. It does work - trust me! - */ -#define GIC_SH_MAP_TO_VPE_REG_OFF(intr, vpe) \ - (GIC_SH_INTR_MAP_TO_VPE_BASE_OFS + (32 * (intr)) + \ - (((((vpe) / 32) ^ 1) - 1) * 4)) -#define GIC_SH_MAP_TO_VPE_REG_BIT(vpe) (1 << ((vpe) % 32)) - -/* Polarity */ -#define GIC_SH_SET_POLARITY_OFS 0x0100 -#define GIC_SET_POLARITY(intr, pol) \ - GICBIS(GIC_REG_ADDR(SHARED, GIC_SH_SET_POLARITY_OFS + 4 + (((((intr) / 32) ^ 1) - 1) * 4)), (pol) << ((intr) % 32)) - -/* Triggering */ -#define GIC_SH_SET_TRIGGER_OFS 0x0180 -#define GIC_SET_TRIGGER(intr, trig) \ - GICBIS(GIC_REG_ADDR(SHARED, GIC_SH_SET_TRIGGER_OFS + 4 + (((((intr) / 32) ^ 1) - 1) * 4)), (trig) << ((intr) % 32)) - -/* Mask manipulation */ -#define GIC_SH_SMASK_OFS 0x0380 -#define GIC_SET_INTR_MASK(intr, val) \ - GICWRITE(GIC_REG_ADDR(SHARED, GIC_SH_SMASK_OFS + 4 + (((((intr) / 32) ^ 1) - 1) * 4)), ((val) << ((intr) % 32))) - -#define GIC_SH_RMASK_OFS 0x0300 -#define GIC_CLR_INTR_MASK(intr, val) \ - GICWRITE(GIC_REG_ADDR(SHARED, GIC_SH_RMASK_OFS + 4 + (((((intr) / 32) ^ 1) - 1) * 4)), ((val) << ((intr) % 32))) - -/* Register Map for Local Section */ -#define GIC_VPE_CTL_OFS 0x0000 -#define GIC_VPE_PEND_OFS 0x0004 -#define GIC_VPE_MASK_OFS 0x0008 -#define GIC_VPE_RMASK_OFS 0x000c -#define GIC_VPE_SMASK_OFS 0x0010 -#define GIC_VPE_WD_MAP_OFS 0x0040 -#define GIC_VPE_COMPARE_MAP_OFS 0x0044 -#define GIC_VPE_TIMER_MAP_OFS 0x0048 -#define GIC_VPE_PERFCTR_MAP_OFS 0x0050 -#define GIC_VPE_SWINT0_MAP_OFS 0x0054 -#define GIC_VPE_SWINT1_MAP_OFS 0x0058 -#define GIC_VPE_OTHER_ADDR_OFS 0x0080 -#define GIC_VPE_WD_CONFIG0_OFS 0x0090 -#define GIC_VPE_WD_COUNT0_OFS 0x0094 -#define GIC_VPE_WD_INITIAL0_OFS 0x0098 -#define GIC_VPE_COMPARE_LO_OFS 0x00a4 -#define GIC_VPE_COMPARE_HI_OFS 0x00a0 - -#define GIC_VPE_EIC_SHADOW_SET_BASE 0x0100 -#define GIC_VPE_EIC_SS(intr) \ - (GIC_EIC_SHADOW_SET_BASE + (4 * intr)) - -#define GIC_VPE_EIC_VEC_BASE 0x0800 -#define GIC_VPE_EIC_VEC(intr) \ - (GIC_VPE_EIC_VEC_BASE + (4 * intr)) - -#define GIC_VPE_TENABLE_NMI_OFS 0x1000 -#define GIC_VPE_TENABLE_YQ_OFS 0x1004 -#define GIC_VPE_TENABLE_INT_31_0_OFS 0x1080 -#define GIC_VPE_TENABLE_INT_63_32_OFS 0x1084 - -/* User Mode Visible Section Register Map */ -#define GIC_UMV_SH_COUNTER_31_00_OFS 0x0004 -#define GIC_UMV_SH_COUNTER_63_32_OFS 0x0000 - -#endif /* !LE */ - /* Masks */ #define GIC_SH_CONFIG_COUNTSTOP_SHF 28 #define GIC_SH_CONFIG_COUNTSTOP_MSK (MSK(1) << GIC_SH_CONFIG_COUNTSTOP_SHF) @@ -473,12 +320,13 @@ struct gic_intrmask_regs { * in building ipi_map. */ struct gic_intr_map { - unsigned int intrnum; /* Ext Intr Num */ unsigned int cpunum; /* Directed to this CPU */ unsigned int pin; /* Directed to this Pin */ unsigned int polarity; /* Polarity : +/- */ unsigned int trigtype; /* Trigger : Edge/Levl */ - unsigned int ipiflag; /* Is used for IPI ? */ + unsigned int flags; /* Misc flags */ +#define GIC_FLAG_IPI 0x01 +#define GIC_FLAG_TRANSPARENT 0x02 }; extern void gic_init(unsigned long gic_base_addr, diff --git a/arch/mips/include/asm/mach-ar7/ar7.h b/arch/mips/include/asm/mach-ar7/ar7.h index de71694614de..21cbbc706448 100644 --- a/arch/mips/include/asm/mach-ar7/ar7.h +++ b/arch/mips/include/asm/mach-ar7/ar7.h @@ -78,6 +78,9 @@ #define AR7_REF_CLOCK 25000000 #define AR7_XTAL_CLOCK 24000000 +/* DCL */ +#define AR7_WDT_HW_ENA 0x10 + struct plat_cpmac_data { int reset_bit; int power_bit; diff --git a/arch/mips/include/asm/mach-au1x00/gpio-au1000.h b/arch/mips/include/asm/mach-au1x00/gpio-au1000.h index feea00148b5d..91595fa89034 100644 --- a/arch/mips/include/asm/mach-au1x00/gpio-au1000.h +++ b/arch/mips/include/asm/mach-au1x00/gpio-au1000.h @@ -104,6 +104,8 @@ static inline int au1100_gpio2_to_irq(int gpio) if ((gpio >= 8) && (gpio <= 15)) return MAKE_IRQ(0, 29); /* shared GPIO208_215 */ + + return -ENXIO; } #ifdef CONFIG_SOC_AU1100 diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h deleted file mode 100644 index bf348f573bbc..000000000000 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_uart.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef BCM63XX_DEV_UART_H_ -#define BCM63XX_DEV_UART_H_ - -int bcm63xx_uart_register(void); - -#endif /* BCM63XX_DEV_UART_H_ */ diff --git a/arch/mips/include/asm/mach-ip27/topology.h b/arch/mips/include/asm/mach-ip27/topology.h index f6837422fe65..09a59bcc1b07 100644 --- a/arch/mips/include/asm/mach-ip27/topology.h +++ b/arch/mips/include/asm/mach-ip27/topology.h @@ -44,8 +44,8 @@ extern unsigned char __node_distances[MAX_COMPACT_NODES][MAX_COMPACT_NODES]; .busy_factor = 32, \ .imbalance_pct = 125, \ .cache_nice_tries = 1, \ - .flags = SD_LOAD_BALANCE \ - | SD_BALANCE_EXEC \ + .flags = SD_LOAD_BALANCE | \ + SD_BALANCE_EXEC, \ .last_balance = jiffies, \ .balance_interval = 1, \ .nr_balance_failed = 0, \ diff --git a/arch/mips/include/asm/mach-loongson/cpu-feature-overrides.h b/arch/mips/include/asm/mach-loongson/cpu-feature-overrides.h index ce5b6e270e3f..9947e57c91de 100644 --- a/arch/mips/include/asm/mach-loongson/cpu-feature-overrides.h +++ b/arch/mips/include/asm/mach-loongson/cpu-feature-overrides.h @@ -29,7 +29,7 @@ #define cpu_has_cache_cdex_p 0 #define cpu_has_cache_cdex_s 0 #define cpu_has_counter 1 -#define cpu_has_dc_aliases 1 +#define cpu_has_dc_aliases (PAGE_SIZE < 0x4000) #define cpu_has_divec 0 #define cpu_has_dsp 0 #define cpu_has_ejtag 0 @@ -54,6 +54,5 @@ #define cpu_has_vce 0 #define cpu_has_vtag_icache 0 #define cpu_has_watch 1 -#define cpu_icache_snoops_remote_store 1 #endif /* __ASM_MACH_LOONGSON_CPU_FEATURE_OVERRIDES_H */ diff --git a/arch/mips/include/asm/mmu_context.h b/arch/mips/include/asm/mmu_context.h index d9743536a621..6083db586500 100644 --- a/arch/mips/include/asm/mmu_context.h +++ b/arch/mips/include/asm/mmu_context.h @@ -16,6 +16,7 @@ #include <linux/smp.h> #include <linux/slab.h> #include <asm/cacheflush.h> +#include <asm/hazards.h> #include <asm/tlbflush.h> #ifdef CONFIG_MIPS_MT_SMTC #include <asm/mipsmtregs.h> @@ -36,11 +37,13 @@ extern unsigned long pgd_current[]; #ifdef CONFIG_32BIT #define TLBMISS_HANDLER_SETUP() \ write_c0_context((unsigned long) smp_processor_id() << 25); \ + back_to_back_c0_hazard(); \ TLBMISS_HANDLER_SETUP_PGD(swapper_pg_dir) #endif #ifdef CONFIG_64BIT #define TLBMISS_HANDLER_SETUP() \ write_c0_context((unsigned long) smp_processor_id() << 26); \ + back_to_back_c0_hazard(); \ TLBMISS_HANDLER_SETUP_PGD(swapper_pg_dir) #endif @@ -165,12 +168,12 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, * having ASID_MASK smaller than the hardware maximum, * make sure no "soft" bits become "hard"... */ - write_c0_entryhi((read_c0_entryhi() & ~HW_ASID_MASK) - | (cpu_context(cpu, next) & ASID_MASK)); + write_c0_entryhi((read_c0_entryhi() & ~HW_ASID_MASK) | + cpu_asid(cpu, next)); ehb(); /* Make sure it propagates to TCStatus */ evpe(mtflags); #else - write_c0_entryhi(cpu_context(cpu, next)); + write_c0_entryhi(cpu_asid(cpu, next)); #endif /* CONFIG_MIPS_MT_SMTC */ TLBMISS_HANDLER_SETUP_PGD(next->pgd); @@ -226,11 +229,11 @@ activate_mm(struct mm_struct *prev, struct mm_struct *next) } /* See comments for similar code above */ write_c0_entryhi((read_c0_entryhi() & ~HW_ASID_MASK) | - (cpu_context(cpu, next) & ASID_MASK)); + cpu_asid(cpu, next)); ehb(); /* Make sure it propagates to TCStatus */ evpe(mtflags); #else - write_c0_entryhi(cpu_context(cpu, next)); + write_c0_entryhi(cpu_asid(cpu, next)); #endif /* CONFIG_MIPS_MT_SMTC */ TLBMISS_HANDLER_SETUP_PGD(next->pgd); diff --git a/arch/mips/include/asm/setup.h b/arch/mips/include/asm/setup.h index e600cedda976..50511aac04e9 100644 --- a/arch/mips/include/asm/setup.h +++ b/arch/mips/include/asm/setup.h @@ -1,7 +1,7 @@ #ifndef _MIPS_SETUP_H #define _MIPS_SETUP_H -#define COMMAND_LINE_SIZE 256 +#define COMMAND_LINE_SIZE 4096 #ifdef __KERNEL__ extern void setup_early_printk(void); diff --git a/arch/mips/include/asm/smtc_ipi.h b/arch/mips/include/asm/smtc_ipi.h index 8ce517574340..15278dbd7e79 100644 --- a/arch/mips/include/asm/smtc_ipi.h +++ b/arch/mips/include/asm/smtc_ipi.h @@ -45,6 +45,7 @@ struct smtc_ipi_q { spinlock_t lock; struct smtc_ipi *tail; int depth; + int resched_flag; /* reschedule already queued */ }; static inline void smtc_ipi_nq(struct smtc_ipi_q *q, struct smtc_ipi *p) diff --git a/arch/mips/include/asm/spram.h b/arch/mips/include/asm/spram.h new file mode 100644 index 000000000000..0b89006e4907 --- /dev/null +++ b/arch/mips/include/asm/spram.h @@ -0,0 +1,10 @@ +#ifndef _MIPS_SPRAM_H +#define _MIPS_SPRAM_H + +#ifdef CONFIG_CPU_MIPSR2 +extern __init void spram_config(void); +#else +static inline void spram_config(void) { }; +#endif /* CONFIG_CPU_MIPSR2 */ + +#endif /* _MIPS_SPRAM_H */ diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h index 01cc1630b66c..845da2107ed1 100644 --- a/arch/mips/include/asm/thread_info.h +++ b/arch/mips/include/asm/thread_info.h @@ -86,14 +86,7 @@ register struct thread_info *__current_thread_info __asm__("$28"); #define __HAVE_ARCH_THREAD_INFO_ALLOCATOR #ifdef CONFIG_DEBUG_STACK_USAGE -#define alloc_thread_info(tsk) \ -({ \ - struct thread_info *ret; \ - \ - ret = kzalloc(THREAD_SIZE, GFP_KERNEL); \ - \ - ret; \ -}) +#define alloc_thread_info(tsk) kzalloc(THREAD_SIZE, GFP_KERNEL) #else #define alloc_thread_info(tsk) kmalloc(THREAD_SIZE, GFP_KERNEL) #endif diff --git a/arch/mips/jazz/irq.c b/arch/mips/jazz/irq.c index 7fd170d007e7..7bd32d04c2cc 100644 --- a/arch/mips/jazz/irq.c +++ b/arch/mips/jazz/irq.c @@ -134,7 +134,7 @@ static irqreturn_t r4030_timer_interrupt(int irq, void *dev_id) static struct irqaction r4030_timer_irqaction = { .handler = r4030_timer_interrupt, - .flags = IRQF_DISABLED, + .flags = IRQF_DISABLED | IRQF_TIMER, .name = "R4030 timer", }; diff --git a/arch/mips/kernel/cevt-bcm1480.c b/arch/mips/kernel/cevt-bcm1480.c index e02f79b1eb51..bfea327c636c 100644 --- a/arch/mips/kernel/cevt-bcm1480.c +++ b/arch/mips/kernel/cevt-bcm1480.c @@ -144,7 +144,7 @@ void __cpuinit sb1480_clockevent_init(void) bcm1480_unmask_irq(cpu, irq); action->handler = sibyte_counter_handler; - action->flags = IRQF_DISABLED | IRQF_PERCPU; + action->flags = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER; action->name = name; action->dev_id = cd; diff --git a/arch/mips/kernel/cevt-ds1287.c b/arch/mips/kernel/cevt-ds1287.c index 6996da4d74a2..00a4da277cbb 100644 --- a/arch/mips/kernel/cevt-ds1287.c +++ b/arch/mips/kernel/cevt-ds1287.c @@ -107,7 +107,7 @@ static irqreturn_t ds1287_interrupt(int irq, void *dev_id) static struct irqaction ds1287_irqaction = { .handler = ds1287_interrupt, - .flags = IRQF_DISABLED | IRQF_PERCPU, + .flags = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER, .name = "ds1287", }; diff --git a/arch/mips/kernel/cevt-gt641xx.c b/arch/mips/kernel/cevt-gt641xx.c index 92351e00ae0e..f5d265eb6eae 100644 --- a/arch/mips/kernel/cevt-gt641xx.c +++ b/arch/mips/kernel/cevt-gt641xx.c @@ -113,7 +113,7 @@ static irqreturn_t gt641xx_timer0_interrupt(int irq, void *dev_id) static struct irqaction gt641xx_timer0_irqaction = { .handler = gt641xx_timer0_interrupt, - .flags = IRQF_DISABLED | IRQF_PERCPU, + .flags = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER, .name = "gt641xx_timer0", }; diff --git a/arch/mips/kernel/cevt-r4k.c b/arch/mips/kernel/cevt-r4k.c index 2652362ce047..b469ad05d520 100644 --- a/arch/mips/kernel/cevt-r4k.c +++ b/arch/mips/kernel/cevt-r4k.c @@ -83,7 +83,7 @@ out: struct irqaction c0_compare_irqaction = { .handler = c0_compare_interrupt, - .flags = IRQF_DISABLED | IRQF_PERCPU, + .flags = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER, .name = "timer", }; diff --git a/arch/mips/kernel/cevt-sb1250.c b/arch/mips/kernel/cevt-sb1250.c index ac5903d1b20e..da78eeaea6e8 100644 --- a/arch/mips/kernel/cevt-sb1250.c +++ b/arch/mips/kernel/cevt-sb1250.c @@ -143,7 +143,7 @@ void __cpuinit sb1250_clockevent_init(void) sb1250_unmask_irq(cpu, irq); action->handler = sibyte_counter_handler; - action->flags = IRQF_DISABLED | IRQF_PERCPU; + action->flags = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER; action->name = name; action->dev_id = cd; diff --git a/arch/mips/kernel/cevt-txx9.c b/arch/mips/kernel/cevt-txx9.c index 0037f21baf0d..218ee6bda935 100644 --- a/arch/mips/kernel/cevt-txx9.c +++ b/arch/mips/kernel/cevt-txx9.c @@ -146,7 +146,7 @@ static irqreturn_t txx9tmr_interrupt(int irq, void *dev_id) static struct irqaction txx9tmr_irq = { .handler = txx9tmr_interrupt, - .flags = IRQF_DISABLED | IRQF_PERCPU, + .flags = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER, .name = "txx9tmr", .dev_id = &txx9_clock_event_device, }; diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index f709657e4dcd..7a51866068a4 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -23,7 +23,7 @@ #include <asm/mipsregs.h> #include <asm/system.h> #include <asm/watch.h> - +#include <asm/spram.h> /* * Not all of the MIPS CPUs have the "wait" instruction available. Moreover, * the implementation of the "wait" feature differs between CPU families. This @@ -711,12 +711,6 @@ static void __cpuinit decode_configs(struct cpuinfo_mips *c) mips_probe_watch_registers(c); } -#ifdef CONFIG_CPU_MIPSR2 -extern void spram_config(void); -#else -static inline void spram_config(void) {} -#endif - static inline void cpu_probe_mips(struct cpuinfo_mips *c, unsigned int cpu) { decode_configs(c); diff --git a/arch/mips/kernel/head.S b/arch/mips/kernel/head.S index 531ce7b16124..ea695d9605e9 100644 --- a/arch/mips/kernel/head.S +++ b/arch/mips/kernel/head.S @@ -191,6 +191,7 @@ NESTED(kernel_entry, 16, sp) # kernel entry point /* Set the SP after an empty pt_regs. */ PTR_LI sp, _THREAD_SIZE - 32 - PT_SIZE PTR_ADDU sp, $28 + back_to_back_c0_hazard set_saved_sp sp, t0, t1 PTR_SUBU sp, 4 * SZREG # init stack pointer diff --git a/arch/mips/kernel/i8253.c b/arch/mips/kernel/i8253.c index f7d8d5d0ddbf..ed5c441615e4 100644 --- a/arch/mips/kernel/i8253.c +++ b/arch/mips/kernel/i8253.c @@ -98,7 +98,7 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id) static struct irqaction irq0 = { .handler = timer_interrupt, - .flags = IRQF_DISABLED | IRQF_NOBALANCING, + .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_TIMER, .name = "timer" }; diff --git a/arch/mips/kernel/irq-gic.c b/arch/mips/kernel/irq-gic.c index d2072cd38592..b181f2f0ea8e 100644 --- a/arch/mips/kernel/irq-gic.c +++ b/arch/mips/kernel/irq-gic.c @@ -14,38 +14,23 @@ static unsigned long _gic_base; -static unsigned int _irqbase, _mapsize, numvpes, numintrs; -static struct gic_intr_map *_intrmap; +static unsigned int _irqbase; +static unsigned int gic_irq_flags[GIC_NUM_INTRS]; +#define GIC_IRQ_FLAG_EDGE 0x0001 -static struct gic_pcpu_mask pcpu_masks[NR_CPUS]; +struct gic_pcpu_mask pcpu_masks[NR_CPUS]; static struct gic_pending_regs pending_regs[NR_CPUS]; static struct gic_intrmask_regs intrmask_regs[NR_CPUS]; -#define gic_wedgeb2bok 0 /* - * Can GIC handle b2b writes to wedge register? - */ -#if gic_wedgeb2bok == 0 -static DEFINE_SPINLOCK(gic_wedgeb2b_lock); -#endif - void gic_send_ipi(unsigned int intr) { -#if gic_wedgeb2bok == 0 - unsigned long flags; -#endif pr_debug("CPU%d: %s status %08x\n", smp_processor_id(), __func__, read_c0_status()); - if (!gic_wedgeb2bok) - spin_lock_irqsave(&gic_wedgeb2b_lock, flags); GICWRITE(GIC_REG(SHARED, GIC_SH_WEDGE), 0x80000000 | intr); - if (!gic_wedgeb2bok) { - (void) GIC_REG(SHARED, GIC_SH_CONFIG); - spin_unlock_irqrestore(&gic_wedgeb2b_lock, flags); - } } /* This is Malta specific and needs to be exported */ -static void vpe_local_setup(unsigned int numvpes) +static void __init vpe_local_setup(unsigned int numvpes) { int i; unsigned long timer_interrupt = 5, perf_interrupt = 5; @@ -105,44 +90,34 @@ unsigned int gic_get_int(void) static unsigned int gic_irq_startup(unsigned int irq) { - pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq); irq -= _irqbase; - GIC_SET_INTR_MASK(irq, 1); + pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq); + GIC_SET_INTR_MASK(irq); return 0; } static void gic_irq_ack(unsigned int irq) { -#if gic_wedgeb2bok == 0 - unsigned long flags; -#endif - pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq); irq -= _irqbase; - GIC_CLR_INTR_MASK(irq, 1); + pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq); + GIC_CLR_INTR_MASK(irq); - if (_intrmap[irq].trigtype == GIC_TRIG_EDGE) { - if (!gic_wedgeb2bok) - spin_lock_irqsave(&gic_wedgeb2b_lock, flags); + if (gic_irq_flags[irq] & GIC_IRQ_FLAG_EDGE) GICWRITE(GIC_REG(SHARED, GIC_SH_WEDGE), irq); - if (!gic_wedgeb2bok) { - (void) GIC_REG(SHARED, GIC_SH_CONFIG); - spin_unlock_irqrestore(&gic_wedgeb2b_lock, flags); - } - } } static void gic_mask_irq(unsigned int irq) { - pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq); irq -= _irqbase; - GIC_CLR_INTR_MASK(irq, 1); + pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq); + GIC_CLR_INTR_MASK(irq); } static void gic_unmask_irq(unsigned int irq) { - pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq); irq -= _irqbase; - GIC_SET_INTR_MASK(irq, 1); + pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq); + GIC_SET_INTR_MASK(irq); } #ifdef CONFIG_SMP @@ -155,9 +130,8 @@ static int gic_set_affinity(unsigned int irq, const struct cpumask *cpumask) unsigned long flags; int i; - pr_debug(KERN_DEBUG "%s called\n", __func__); irq -= _irqbase; - + pr_debug(KERN_DEBUG "%s(%d) called\n", __func__, irq); cpumask_and(&tmp, cpumask, cpu_online_mask); if (cpus_empty(tmp)) return -1; @@ -168,13 +142,6 @@ static int gic_set_affinity(unsigned int irq, const struct cpumask *cpumask) /* Re-route this IRQ */ GIC_SH_MAP_TO_VPE_SMASK(irq, first_cpu(tmp)); - /* - * FIXME: assumption that _intrmap is ordered and has no holes - */ - - /* Update the intr_map */ - _intrmap[irq].cpunum = first_cpu(tmp); - /* Update the pcpu_masks */ for (i = 0; i < NR_CPUS; i++) clear_bit(irq, pcpu_masks[i].pcpu_mask); @@ -201,8 +168,9 @@ static struct irq_chip gic_irq_controller = { #endif }; -static void __init setup_intr(unsigned int intr, unsigned int cpu, - unsigned int pin, unsigned int polarity, unsigned int trigtype) +static void __init gic_setup_intr(unsigned int intr, unsigned int cpu, + unsigned int pin, unsigned int polarity, unsigned int trigtype, + unsigned int flags) { /* Setup Intr to Pin mapping */ if (pin & GIC_MAP_TO_NMI_MSK) { @@ -227,38 +195,43 @@ static void __init setup_intr(unsigned int intr, unsigned int cpu, GIC_SET_TRIGGER(intr, trigtype); /* Init Intr Masks */ - GIC_SET_INTR_MASK(intr, 0); + GIC_CLR_INTR_MASK(intr); + /* Initialise per-cpu Interrupt software masks */ + if (flags & GIC_FLAG_IPI) + set_bit(intr, pcpu_masks[cpu].pcpu_mask); + if (flags & GIC_FLAG_TRANSPARENT) + GIC_SET_INTR_MASK(intr); + if (trigtype == GIC_TRIG_EDGE) + gic_irq_flags[intr] |= GIC_IRQ_FLAG_EDGE; } -static void __init gic_basic_init(void) +static void __init gic_basic_init(int numintrs, int numvpes, + struct gic_intr_map *intrmap, int mapsize) { unsigned int i, cpu; /* Setup defaults */ - for (i = 0; i < GIC_NUM_INTRS; i++) { + for (i = 0; i < numintrs; i++) { GIC_SET_POLARITY(i, GIC_POL_POS); GIC_SET_TRIGGER(i, GIC_TRIG_LEVEL); - GIC_SET_INTR_MASK(i, 0); + GIC_CLR_INTR_MASK(i); + if (i < GIC_NUM_INTRS) + gic_irq_flags[i] = 0; } /* Setup specifics */ - for (i = 0; i < _mapsize; i++) { - cpu = _intrmap[i].cpunum; + for (i = 0; i < mapsize; i++) { + cpu = intrmap[i].cpunum; if (cpu == X) continue; - - if (cpu == 0 && i != 0 && _intrmap[i].intrnum == 0 && - _intrmap[i].ipiflag == 0) + if (cpu == 0 && i != 0 && intrmap[i].flags == 0) continue; - - setup_intr(_intrmap[i].intrnum, - _intrmap[i].cpunum, - _intrmap[i].pin, - _intrmap[i].polarity, - _intrmap[i].trigtype); - /* Initialise per-cpu Interrupt software masks */ - if (_intrmap[i].ipiflag) - set_bit(_intrmap[i].intrnum, pcpu_masks[cpu].pcpu_mask); + gic_setup_intr(i, + intrmap[i].cpunum, + intrmap[i].pin, + intrmap[i].polarity, + intrmap[i].trigtype, + intrmap[i].flags); } vpe_local_setup(numvpes); @@ -273,12 +246,11 @@ void __init gic_init(unsigned long gic_base_addr, unsigned int irqbase) { unsigned int gicconfig; + int numvpes, numintrs; _gic_base = (unsigned long) ioremap_nocache(gic_base_addr, gic_addrspace_size); _irqbase = irqbase; - _intrmap = intr_map; - _mapsize = intr_map_size; GICREAD(GIC_REG(SHARED, GIC_SH_CONFIG), gicconfig); numintrs = (gicconfig & GIC_SH_CONFIG_NUMINTRS_MSK) >> @@ -290,5 +262,5 @@ void __init gic_init(unsigned long gic_base_addr, pr_debug("%s called\n", __func__); - gic_basic_init(); + gic_basic_init(numintrs, numvpes, intr_map, intr_map_size); } diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c index 6242bc68add7..b77fefaff9da 100644 --- a/arch/mips/kernel/linux32.c +++ b/arch/mips/kernel/linux32.c @@ -428,3 +428,9 @@ _sys32_clone(nabi_no_regargs struct pt_regs regs) return do_fork(clone_flags, newsp, ®s, 0, parent_tidptr, child_tidptr); } + +asmlinkage long sys32_lookup_dcookie(u32 a0, u32 a1, char __user *buf, + size_t len) +{ + return sys_lookup_dcookie(merge_64(a0, a1), buf, len); +} diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index 9bbf9775e0bd..14dde4ca932e 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -450,7 +450,7 @@ sys_call_table: PTR sys_io_submit PTR sys_io_cancel /* 4245 */ PTR sys_exit_group - PTR sys_lookup_dcookie + PTR sys32_lookup_dcookie PTR sys_epoll_create PTR sys_epoll_ctl PTR sys_epoll_wait /* 4250 */ @@ -505,7 +505,7 @@ sys_call_table: PTR sys_fchmodat PTR sys_faccessat /* 4300 */ PTR compat_sys_pselect6 - PTR sys_ppoll + PTR compat_sys_ppoll PTR sys_unshare PTR sys_splice PTR sys32_sync_file_range /* 4305 */ diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c index 4d181df44a40..24630fd8ef60 100644 --- a/arch/mips/kernel/smtc.c +++ b/arch/mips/kernel/smtc.c @@ -75,7 +75,6 @@ unsigned long irq_hwmask[NR_IRQS]; asiduse smtc_live_asid[MAX_SMTC_TLBS][MAX_SMTC_ASIDS]; - /* * Number of InterProcessor Interrupt (IPI) message buffers to allocate */ @@ -388,6 +387,7 @@ void smtc_prepare_cpus(int cpus) IPIQ[i].head = IPIQ[i].tail = NULL; spin_lock_init(&IPIQ[i].lock); IPIQ[i].depth = 0; + IPIQ[i].resched_flag = 0; /* No reschedules queued initially */ } /* cpu_data index starts at zero */ @@ -741,11 +741,24 @@ void smtc_forward_irq(unsigned int irq) static void smtc_ipi_qdump(void) { int i; + struct smtc_ipi *temp; for (i = 0; i < NR_CPUS ;i++) { - printk("IPIQ[%d]: head = 0x%x, tail = 0x%x, depth = %d\n", + pr_info("IPIQ[%d]: head = 0x%x, tail = 0x%x, depth = %d\n", i, (unsigned)IPIQ[i].head, (unsigned)IPIQ[i].tail, IPIQ[i].depth); + temp = IPIQ[i].head; + + while (temp != IPIQ[i].tail) { + pr_debug("%d %d %d: ", temp->type, temp->dest, + (int)temp->arg); +#ifdef SMTC_IPI_DEBUG + pr_debug("%u %lu\n", temp->sender, temp->stamp); +#else + pr_debug("\n"); +#endif + temp = temp->flink; + } } } @@ -784,11 +797,16 @@ void smtc_send_ipi(int cpu, int type, unsigned int action) int mtflags; unsigned long tcrestart; extern void r4k_wait_irqoff(void), __pastwait(void); + int set_resched_flag = (type == LINUX_SMP_IPI && + action == SMP_RESCHEDULE_YOURSELF); if (cpu == smp_processor_id()) { printk("Cannot Send IPI to self!\n"); return; } + if (set_resched_flag && IPIQ[cpu].resched_flag != 0) + return; /* There is a reschedule queued already */ + /* Set up a descriptor, to be delivered either promptly or queued */ pipi = smtc_ipi_dq(&freeIPIq); if (pipi == NULL) { @@ -801,6 +819,7 @@ void smtc_send_ipi(int cpu, int type, unsigned int action) pipi->dest = cpu; if (cpu_data[cpu].vpe_id != cpu_data[smp_processor_id()].vpe_id) { /* If not on same VPE, enqueue and send cross-VPE interrupt */ + IPIQ[cpu].resched_flag |= set_resched_flag; smtc_ipi_nq(&IPIQ[cpu], pipi); LOCK_CORE_PRA(); settc(cpu_data[cpu].tc_id); @@ -847,6 +866,7 @@ void smtc_send_ipi(int cpu, int type, unsigned int action) */ write_tc_c0_tchalt(0); UNLOCK_CORE_PRA(); + IPIQ[cpu].resched_flag |= set_resched_flag; smtc_ipi_nq(&IPIQ[cpu], pipi); } else { postdirect: @@ -996,12 +1016,15 @@ void deferred_smtc_ipi(void) * already enabled. */ local_irq_save(flags); - spin_lock(&q->lock); pipi = __smtc_ipi_dq(q); spin_unlock(&q->lock); - if (pipi != NULL) + if (pipi != NULL) { + if (pipi->type == LINUX_SMP_IPI && + (int)pipi->arg == SMP_RESCHEDULE_YOURSELF) + IPIQ[cpu].resched_flag = 0; ipi_decode(pipi); + } /* * The use of the __raw_local restore isn't * as obviously necessary here as in smtc_ipi_replay(), @@ -1082,6 +1105,9 @@ static irqreturn_t ipi_interrupt(int irq, void *dev_idm) * with interrupts off */ local_irq_save(flags); + if (pipi->type == LINUX_SMP_IPI && + (int)pipi->arg == SMP_RESCHEDULE_YOURSELF) + IPIQ[cpu].resched_flag = 0; ipi_decode(pipi); local_irq_restore(flags); } diff --git a/arch/mips/kernel/spram.c b/arch/mips/kernel/spram.c index 6ddb507a87ef..1821d12a6410 100644 --- a/arch/mips/kernel/spram.c +++ b/arch/mips/kernel/spram.c @@ -13,7 +13,6 @@ #include <linux/ptrace.h> #include <linux/stddef.h> -#include <asm/cpu.h> #include <asm/fpu.h> #include <asm/mipsregs.h> #include <asm/system.h> @@ -198,8 +197,7 @@ static __cpuinit void probe_spram(char *type, offset += 2 * SPRAM_TAG_STRIDE; } } - -__cpuinit void spram_config(void) +void __cpuinit spram_config(void) { struct cpuinfo_mips *c = ¤t_cpu_data; unsigned int config0; @@ -208,6 +206,7 @@ __cpuinit void spram_config(void) case CPU_24K: case CPU_34K: case CPU_74K: + case CPU_1004K: config0 = read_c0_config(); /* FIXME: addresses are Malta specific */ if (config0 & (1<<24)) { diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c index 03092ab2a296..60477529362e 100644 --- a/arch/mips/kernel/vpe.c +++ b/arch/mips/kernel/vpe.c @@ -1116,8 +1116,6 @@ static int vpe_open(struct inode *inode, struct file *filp) v->shared_ptr = NULL; v->__start = 0; - unlock_kernel(); - return 0; } diff --git a/arch/mips/loongson/common/irq.c b/arch/mips/loongson/common/irq.c index f368c735cbd3..b32b4a3e5137 100644 --- a/arch/mips/loongson/common/irq.c +++ b/arch/mips/loongson/common/irq.c @@ -55,7 +55,6 @@ void __init arch_init_irq(void) * int-handler is not on bootstrap */ clear_c0_status(ST0_IM | ST0_BEV); - local_irq_disable(); /* setting irq trigger mode */ set_irq_trigger_mode(); diff --git a/arch/mips/math-emu/dp_simple.c b/arch/mips/math-emu/dp_simple.c index 1c555e6c6a9f..d9ae1dbabda7 100644 --- a/arch/mips/math-emu/dp_simple.c +++ b/arch/mips/math-emu/dp_simple.c @@ -62,8 +62,6 @@ ieee754dp ieee754dp_neg(ieee754dp x) return ieee754dp_nanxcpt(y, "neg"); } - if (ieee754dp_isnan(x)) /* but not infinity */ - return ieee754dp_nanxcpt(x, "neg", x); return x; } @@ -76,15 +74,12 @@ ieee754dp ieee754dp_abs(ieee754dp x) CLEARCX; FLUSHXDP; + /* Clear sign ALWAYS, irrespective of NaN */ + DPSIGN(x) = 0; + if (xc == IEEE754_CLASS_SNAN) { - SETCX(IEEE754_INVALID_OPERATION); - return ieee754dp_nanxcpt(ieee754dp_indef(), "neg"); + return ieee754dp_nanxcpt(ieee754dp_indef(), "abs"); } - if (ieee754dp_isnan(x)) /* but not infinity */ - return ieee754dp_nanxcpt(x, "abs", x); - - /* quick fix up */ - DPSIGN(x) = 0; return x; } diff --git a/arch/mips/math-emu/sp_simple.c b/arch/mips/math-emu/sp_simple.c index 770f0f4677cd..3175477d36f6 100644 --- a/arch/mips/math-emu/sp_simple.c +++ b/arch/mips/math-emu/sp_simple.c @@ -62,8 +62,6 @@ ieee754sp ieee754sp_neg(ieee754sp x) return ieee754sp_nanxcpt(y, "neg"); } - if (ieee754sp_isnan(x)) /* but not infinity */ - return ieee754sp_nanxcpt(x, "neg", x); return x; } @@ -76,15 +74,12 @@ ieee754sp ieee754sp_abs(ieee754sp x) CLEARCX; FLUSHXSP; + /* Clear sign ALWAYS, irrespective of NaN */ + SPSIGN(x) = 0; + if (xc == IEEE754_CLASS_SNAN) { - SETCX(IEEE754_INVALID_OPERATION); return ieee754sp_nanxcpt(ieee754sp_indef(), "abs"); } - if (ieee754sp_isnan(x)) /* but not infinity */ - return ieee754sp_nanxcpt(x, "abs", x); - - /* quick fix up */ - SPSIGN(x) = 0; return x; } diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index 15aa1902a788..8d1f4f363049 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -27,6 +27,7 @@ #include <linux/swap.h> #include <linux/proc_fs.h> #include <linux/pfn.h> +#include <linux/hardirq.h> #include <asm/asm-offsets.h> #include <asm/bootinfo.h> @@ -132,7 +133,10 @@ void *kmap_coherent(struct page *page, unsigned long addr) inc_preempt_count(); idx = (addr >> PAGE_SHIFT) & (FIX_N_COLOURS - 1); #ifdef CONFIG_MIPS_MT_SMTC - idx += FIX_N_COLOURS * smp_processor_id(); + idx += FIX_N_COLOURS * smp_processor_id() + + (in_interrupt() ? (FIX_N_COLOURS * NR_CPUS) : 0); +#else + idx += in_interrupt() ? FIX_N_COLOURS : 0; #endif vaddr = __fix_to_virt(FIX_CMAP_END - idx); pte = mk_pte(page, PAGE_KERNEL); diff --git a/arch/mips/mti-malta/malta-amon.c b/arch/mips/mti-malta/malta-amon.c index df9e526312a2..469d9b0cee6d 100644 --- a/arch/mips/mti-malta/malta-amon.c +++ b/arch/mips/mti-malta/malta-amon.c @@ -70,11 +70,12 @@ void amon_cpu_start(int cpu, launch->sp = sp; launch->a0 = a0; - /* Make sure target sees parameters before the go bit */ - smp_mb(); - + smp_wmb(); /* Target must see parameters before go */ launch->flags |= LAUNCH_FGO; + smp_wmb(); /* Target must see go before we poll */ + while ((launch->flags & LAUNCH_FGONE) == 0) ; + smp_rmb(); /* Target will be updating flags soon */ pr_debug("launch: cpu%d gone!\n", cpu); } diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c index 3e0a9b35ba5c..4c3fca18a171 100644 --- a/arch/mips/mti-malta/malta-int.c +++ b/arch/mips/mti-malta/malta-int.c @@ -87,7 +87,7 @@ static inline int mips_pcibios_iack(void) dummy = BONITO_PCIMAP_CFG; iob(); /* sync */ - irq = readl((u32 *)_pcictrl_bonito_pcicfg); + irq = __raw_readl((u32 *)_pcictrl_bonito_pcicfg); iob(); /* sync */ irq &= 0xff; BONITO_PCIMAP_CFG = 0; @@ -379,38 +379,43 @@ static msc_irqmap_t __initdata msc_eicirqmap[] = { static int __initdata msc_nr_eicirqs = ARRAY_SIZE(msc_eicirqmap); -#if defined(CONFIG_MIPS_MT_SMP) /* * This GIC specific tabular array defines the association between External * Interrupts and CPUs/Core Interrupts. The nature of the External * Interrupts is also defined here - polarity/trigger. */ + +#define GIC_CPU_NMI GIC_MAP_TO_NMI_MSK static struct gic_intr_map gic_intr_map[GIC_NUM_INTRS] = { - { GIC_EXT_INTR(0), X, X, X, X, 0 }, - { GIC_EXT_INTR(1), X, X, X, X, 0 }, - { GIC_EXT_INTR(2), X, X, X, X, 0 }, - { GIC_EXT_INTR(3), 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, 0 }, - { GIC_EXT_INTR(4), 0, GIC_CPU_INT1, GIC_POL_POS, GIC_TRIG_LEVEL, 0 }, - { GIC_EXT_INTR(5), 0, GIC_CPU_INT2, GIC_POL_POS, GIC_TRIG_LEVEL, 0 }, - { GIC_EXT_INTR(6), 0, GIC_CPU_INT3, GIC_POL_POS, GIC_TRIG_LEVEL, 0 }, - { GIC_EXT_INTR(7), 0, GIC_CPU_INT4, GIC_POL_POS, GIC_TRIG_LEVEL, 0 }, - { GIC_EXT_INTR(8), 0, GIC_CPU_INT3, GIC_POL_POS, GIC_TRIG_LEVEL, 0 }, - { GIC_EXT_INTR(9), 0, GIC_CPU_INT3, GIC_POL_POS, GIC_TRIG_LEVEL, 0 }, - { GIC_EXT_INTR(10), X, X, X, X, 0 }, - { GIC_EXT_INTR(11), X, X, X, X, 0 }, - { GIC_EXT_INTR(12), 0, GIC_CPU_INT3, GIC_POL_POS, GIC_TRIG_LEVEL, 0 }, - { GIC_EXT_INTR(13), 0, GIC_MAP_TO_NMI_MSK, GIC_POL_POS, GIC_TRIG_LEVEL, 0 }, - { GIC_EXT_INTR(14), 0, GIC_MAP_TO_NMI_MSK, GIC_POL_POS, GIC_TRIG_LEVEL, 0 }, - { GIC_EXT_INTR(15), X, X, X, X, 0 }, -/* This is the end of the general interrupts now we do IPI ones */ + { X, X, X, X, 0 }, + { X, X, X, X, 0 }, + { X, X, X, X, 0 }, + { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, + { 0, GIC_CPU_INT1, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, + { 0, GIC_CPU_INT2, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, + { 0, GIC_CPU_INT3, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, + { 0, GIC_CPU_INT4, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, + { 0, GIC_CPU_INT3, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, + { 0, GIC_CPU_INT3, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, + { X, X, X, X, 0 }, + { X, X, X, X, 0 }, + { 0, GIC_CPU_INT3, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, + { 0, GIC_CPU_NMI, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, + { 0, GIC_CPU_NMI, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, + { X, X, X, X, 0 }, + /* The remainder of this table is initialised by fill_ipi_map */ }; -#endif /* * GCMP needs to be detected before any SMP initialisation */ int __init gcmp_probe(unsigned long addr, unsigned long size) { + if (mips_revision_sconid != MIPS_REVISION_SCON_ROCIT) { + gcmp_present = 0; + return gcmp_present; + } + if (gcmp_present >= 0) return gcmp_present; @@ -419,20 +424,35 @@ int __init gcmp_probe(unsigned long addr, unsigned long size) gcmp_present = (GCMPGCB(GCMPB) & GCMP_GCB_GCMPB_GCMPBASE_MSK) == GCMP_BASE_ADDR; if (gcmp_present) - printk(KERN_DEBUG "GCMP present\n"); + pr_debug("GCMP present\n"); return gcmp_present; } +/* Return the number of IOCU's present */ +int __init gcmp_niocu(void) +{ + return gcmp_present ? + (GCMPGCB(GC) & GCMP_GCB_GC_NUMIOCU_MSK) >> GCMP_GCB_GC_NUMIOCU_SHF : + 0; +} + +/* Set GCMP region attributes */ +void __init gcmp_setregion(int region, unsigned long base, + unsigned long mask, int type) +{ + GCMPGCBn(CMxBASE, region) = base; + GCMPGCBn(CMxMASK, region) = mask | type; +} + #if defined(CONFIG_MIPS_MT_SMP) static void __init fill_ipi_map1(int baseintr, int cpu, int cpupin) { int intr = baseintr + cpu; - gic_intr_map[intr].intrnum = GIC_EXT_INTR(intr); gic_intr_map[intr].cpunum = cpu; gic_intr_map[intr].pin = cpupin; gic_intr_map[intr].polarity = GIC_POL_POS; gic_intr_map[intr].trigtype = GIC_TRIG_EDGE; - gic_intr_map[intr].ipiflag = 1; + gic_intr_map[intr].flags = GIC_FLAG_IPI; ipi_map[cpu] |= (1 << (cpupin + 2)); } @@ -447,6 +467,12 @@ static void __init fill_ipi_map(void) } #endif +void __init arch_init_ipiirq(int irq, struct irqaction *action) +{ + setup_irq(irq, action); + set_irq_handler(irq, handle_percpu_irq); +} + void __init arch_init_irq(void) { init_i8259_irqs(); @@ -458,12 +484,17 @@ void __init arch_init_irq(void) GCMPGCB(GICBA) = GIC_BASE_ADDR | GCMP_GCB_GICBA_EN_MSK; gic_present = 1; } else { - _msc01_biu_base = (unsigned long) ioremap_nocache(MSC01_BIU_REG_BASE, MSC01_BIU_ADDRSPACE_SZ); - gic_present = (REG(_msc01_biu_base, MSC01_SC_CFG) & - MSC01_SC_CFG_GICPRES_MSK) >> MSC01_SC_CFG_GICPRES_SHF; + if (mips_revision_sconid == MIPS_REVISION_SCON_ROCIT) { + _msc01_biu_base = (unsigned long) + ioremap_nocache(MSC01_BIU_REG_BASE, + MSC01_BIU_ADDRSPACE_SZ); + gic_present = (REG(_msc01_biu_base, MSC01_SC_CFG) & + MSC01_SC_CFG_GICPRES_MSK) >> + MSC01_SC_CFG_GICPRES_SHF; + } } if (gic_present) - printk(KERN_DEBUG "GIC present\n"); + pr_debug("GIC present\n"); switch (mips_revision_sconid) { case MIPS_REVISION_SCON_SOCIT: @@ -526,16 +557,16 @@ void __init arch_init_irq(void) &corehi_irqaction); } -#if defined(CONFIG_MIPS_MT_SMP) if (gic_present) { /* FIXME */ int i; - +#if defined(CONFIG_MIPS_MT_SMP) gic_call_int_base = GIC_NUM_INTRS - NR_CPUS; gic_resched_int_base = gic_call_int_base - NR_CPUS; - fill_ipi_map(); - gic_init(GIC_BASE_ADDR, GIC_ADDRSPACE_SZ, gic_intr_map, ARRAY_SIZE(gic_intr_map), MIPS_GIC_IRQ_BASE); +#endif + gic_init(GIC_BASE_ADDR, GIC_ADDRSPACE_SZ, gic_intr_map, + ARRAY_SIZE(gic_intr_map), MIPS_GIC_IRQ_BASE); if (!gcmp_present) { /* Enable the GIC */ i = REG(_msc01_biu_base, MSC01_SC_CFG); @@ -543,7 +574,7 @@ void __init arch_init_irq(void) (i | (0x1 << MSC01_SC_CFG_GICENA_SHF)); pr_debug("GIC Enabled\n"); } - +#if defined(CONFIG_MIPS_MT_SMP) /* set up ipi interrupts */ if (cpu_has_vint) { set_vi_handler(MIPSCPU_INT_IPI0, malta_ipi_irqdispatch); @@ -556,16 +587,14 @@ void __init arch_init_irq(void) write_c0_status(0x1100dc00); printk("CPU%d: status register frc %08x\n", smp_processor_id(), read_c0_status()); for (i = 0; i < NR_CPUS; i++) { - setup_irq(MIPS_GIC_IRQ_BASE + - GIC_RESCHED_INT(i), &irq_resched); - setup_irq(MIPS_GIC_IRQ_BASE + - GIC_CALL_INT(i), &irq_call); - set_irq_handler(MIPS_GIC_IRQ_BASE + - GIC_RESCHED_INT(i), handle_percpu_irq); - set_irq_handler(MIPS_GIC_IRQ_BASE + - GIC_CALL_INT(i), handle_percpu_irq); + arch_init_ipiirq(MIPS_GIC_IRQ_BASE + + GIC_RESCHED_INT(i), &irq_resched); + arch_init_ipiirq(MIPS_GIC_IRQ_BASE + + GIC_CALL_INT(i), &irq_call); } +#endif } else { +#if defined(CONFIG_MIPS_MT_SMP) /* set up ipi interrupts */ if (cpu_has_veic) { set_vi_handler (MSC01E_INT_SW0, ipi_resched_dispatch); @@ -580,14 +609,10 @@ void __init arch_init_irq(void) cpu_ipi_resched_irq = MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_RESCHED_IRQ; cpu_ipi_call_irq = MIPS_CPU_IRQ_BASE + MIPS_CPU_IPI_CALL_IRQ; } - - setup_irq(cpu_ipi_resched_irq, &irq_resched); - setup_irq(cpu_ipi_call_irq, &irq_call); - - set_irq_handler(cpu_ipi_resched_irq, handle_percpu_irq); - set_irq_handler(cpu_ipi_call_irq, handle_percpu_irq); - } + arch_init_ipiirq(cpu_ipi_resched_irq, &irq_resched); + arch_init_ipiirq(cpu_ipi_call_irq, &irq_call); #endif + } } void malta_be_init(void) diff --git a/arch/mips/mti-malta/malta-pci.c b/arch/mips/mti-malta/malta-pci.c index b9743190609a..2fbfa1a8c3a9 100644 --- a/arch/mips/mti-malta/malta-pci.c +++ b/arch/mips/mti-malta/malta-pci.c @@ -27,7 +27,7 @@ #include <linux/init.h> #include <asm/gt64120.h> - +#include <asm/gcmpregs.h> #include <asm/mips-boards/generic.h> #include <asm/mips-boards/bonito64.h> #include <asm/mips-boards/msc01_pci.h> @@ -201,7 +201,11 @@ void __init mips_pcibios_init(void) msc_mem_resource.start = start & mask; msc_mem_resource.end = (start & mask) | ~mask; msc_controller.mem_offset = (start & mask) - (map & mask); - +#ifdef CONFIG_MIPS_CMP + if (gcmp_niocu()) + gcmp_setregion(0, start, mask, + GCMP_GCB_GCMPB_CMDEFTGT_IOCU1); +#endif MSC_READ(MSC01_PCI_SC2PIOBASL, start); MSC_READ(MSC01_PCI_SC2PIOMSKL, mask); MSC_READ(MSC01_PCI_SC2PIOMAPL, map); @@ -209,7 +213,11 @@ void __init mips_pcibios_init(void) msc_io_resource.end = (map & mask) | ~mask; msc_controller.io_offset = 0; ioport_resource.end = ~mask; - +#ifdef CONFIG_MIPS_CMP + if (gcmp_niocu()) + gcmp_setregion(1, start, mask, + GCMP_GCB_GCMPB_CMDEFTGT_IOCU1); +#endif /* If ranges overlap I/O takes precedence. */ start = start & mask; end = start | ~mask; @@ -241,3 +249,16 @@ void __init mips_pcibios_init(void) register_pci_controller(controller); } + +/* Enable PCI 2.1 compatibility in PIIX4 */ +static void __init quirk_dlcsetup(struct pci_dev *dev) +{ + u8 odlc, ndlc; + (void) pci_read_config_byte(dev, 0x82, &odlc); + /* Enable passive releases and delayed transaction */ + ndlc = odlc | 7; + (void) pci_write_config_byte(dev, 0x82, ndlc); +} + +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_0, + quirk_dlcsetup); diff --git a/arch/mips/nxp/pnx8550/common/int.c b/arch/mips/nxp/pnx8550/common/int.c index f080f114a1bf..7aca7d5375e5 100644 --- a/arch/mips/nxp/pnx8550/common/int.c +++ b/arch/mips/nxp/pnx8550/common/int.c @@ -172,7 +172,7 @@ static struct irqaction gic_action = { static struct irqaction timer_action = { .handler = no_action, - .flags = IRQF_DISABLED, + .flags = IRQF_DISABLED | IRQF_TIMER, .name = "Timer", }; diff --git a/arch/mips/nxp/pnx8550/common/time.c b/arch/mips/nxp/pnx8550/common/time.c index 18b192784877..8836c6203df0 100644 --- a/arch/mips/nxp/pnx8550/common/time.c +++ b/arch/mips/nxp/pnx8550/common/time.c @@ -59,7 +59,7 @@ static irqreturn_t pnx8xxx_timer_interrupt(int irq, void *dev_id) static struct irqaction pnx8xxx_timer_irq = { .handler = pnx8xxx_timer_interrupt, - .flags = IRQF_DISABLED | IRQF_PERCPU, + .flags = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER, .name = "pnx8xxx_timer", }; @@ -72,7 +72,7 @@ static irqreturn_t monotonic_interrupt(int irq, void *dev_id) static struct irqaction monotonic_irqaction = { .handler = monotonic_interrupt, - .flags = IRQF_DISABLED, + .flags = IRQF_DISABLED | IRQF_TIMER, .name = "Monotonic timer", }; diff --git a/arch/mips/oprofile/op_model_loongson2.c b/arch/mips/oprofile/op_model_loongson2.c index deed1d5d4982..575cd1473475 100644 --- a/arch/mips/oprofile/op_model_loongson2.c +++ b/arch/mips/oprofile/op_model_loongson2.c @@ -22,7 +22,7 @@ * otherwise, the oprofile tool will not recognize this and complain about * "cpu_type 'unset' is not valid". */ -#define LOONGSON2_CPU_TYPE "mips/godson2" +#define LOONGSON2_CPU_TYPE "mips/loongson2" #define LOONGSON2_COUNTER1_EVENT(event) ((event & 0x0f) << 5) #define LOONGSON2_COUNTER2_EVENT(event) ((event & 0x0f) << 9) diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c index 6d0e59ffba2e..d6802d6d1f82 100644 --- a/arch/mips/sgi-ip27/ip27-timer.c +++ b/arch/mips/sgi-ip27/ip27-timer.c @@ -105,7 +105,7 @@ static irqreturn_t hub_rt_counter_handler(int irq, void *dev_id) struct irqaction hub_rt_irqaction = { .handler = hub_rt_counter_handler, - .flags = IRQF_DISABLED | IRQF_PERCPU, + .flags = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER, .name = "hub-rt", }; diff --git a/arch/mips/sni/time.c b/arch/mips/sni/time.c index 62df6a598e0a..f3b60e671207 100644 --- a/arch/mips/sni/time.c +++ b/arch/mips/sni/time.c @@ -67,7 +67,7 @@ static irqreturn_t a20r_interrupt(int irq, void *dev_id) static struct irqaction a20r_irqaction = { .handler = a20r_interrupt, - .flags = IRQF_DISABLED | IRQF_PERCPU, + .flags = IRQF_DISABLED | IRQF_PERCPU | IRQF_TIMER, .name = "a20r-timer", }; diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index c860810722c0..e10184c1b3e1 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -85,7 +85,7 @@ int txx9_ccfg_toeon __initdata = 1; struct clk *clk_get(struct device *dev, const char *id) { if (!strcmp(id, "spi-baseclk")) - return (struct clk *)((unsigned long)txx9_gbus_clock / 2 / 4); + return (struct clk *)((unsigned long)txx9_gbus_clock / 2 / 2); if (!strcmp(id, "imbus_clk")) return (struct clk *)((unsigned long)txx9_gbus_clock / 2); return ERR_PTR(-ENOENT); @@ -817,7 +817,8 @@ void __init txx9_iocled_init(unsigned long baseaddr, out_pdev: platform_device_put(pdev); out_gpio: - gpio_remove(&iocled->chip); + if (gpiochip_remove(&iocled->chip)) + return; out_unmap: iounmap(iocled->mmioaddr); out_free: |