diff options
Diffstat (limited to 'arch/sh/kernel')
35 files changed, 864 insertions, 436 deletions
diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile index 9104b625764..1f141a8ba17 100644 --- a/arch/sh/kernel/Makefile +++ b/arch/sh/kernel/Makefile @@ -4,10 +4,9 @@ extra-y := head.o init_task.o vmlinux.lds -obj-y := process.o signal.o traps.o irq.o \ - ptrace.o setup.o time.o sys_sh.o semaphore.o \ - io.o io_generic.o sh_ksyms.o syscalls.o \ - debugtraps.o +obj-y := debugtraps.o io.o io_generic.o irq.o machvec.o process.o ptrace.o \ + semaphore.o setup.o signal.o sys_sh.o syscalls.o \ + time.o topology.o traps.o obj-y += cpu/ timers/ obj-$(CONFIG_VSYSCALL) += vsyscall/ @@ -17,7 +16,7 @@ obj-$(CONFIG_CF_ENABLER) += cf-enabler.o obj-$(CONFIG_SH_STANDARD_BIOS) += sh_bios.o obj-$(CONFIG_SH_KGDB) += kgdb_stub.o kgdb_jmp.o obj-$(CONFIG_SH_CPU_FREQ) += cpufreq.o -obj-$(CONFIG_MODULES) += module.o +obj-$(CONFIG_MODULES) += sh_ksyms.o module.o obj-$(CONFIG_EARLY_PRINTK) += early_printk.o obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o obj-$(CONFIG_CRASH_DUMP) += crash_dump.o diff --git a/arch/sh/kernel/cf-enabler.c b/arch/sh/kernel/cf-enabler.c index ebc73b85094..1c3b99642e1 100644 --- a/arch/sh/kernel/cf-enabler.c +++ b/arch/sh/kernel/cf-enabler.c @@ -75,11 +75,7 @@ static int __init cf_init_default(void) #if defined(CONFIG_CPU_SH4) allocate_cf_area(); #endif -#if defined(CONFIG_SH_UNKNOWN) - /* This should be done in each board's init_xxx_irq. */ - make_imask_irq(14); - disable_irq(14); -#endif + return 0; } diff --git a/arch/sh/kernel/cpu/init.c b/arch/sh/kernel/cpu/init.c index 6451ad63017..9172e97dc26 100644 --- a/arch/sh/kernel/cpu/init.c +++ b/arch/sh/kernel/cpu/init.c @@ -21,8 +21,7 @@ #include <asm/cacheflush.h> #include <asm/cache.h> #include <asm/io.h> - -extern void detect_cpu_and_cache_system(void); +#include <asm/ubc.h> /* * Generic wrapper for command line arguments to disable on-chip @@ -152,15 +151,6 @@ static void __init cache_init(void) flags |= CCR_CACHE_CB; #endif -#ifdef CONFIG_SH_OCRAM - /* Turn on OCRAM -- halve the OC */ - flags |= CCR_CACHE_ORA; - current_cpu_data.dcache.sets >>= 1; - - current_cpu_data.dcache.way_size = current_cpu_data.dcache.sets * - current_cpu_data.dcache.linesz; -#endif - ctrl_outl(flags, CCR); back_to_P1(); } @@ -269,7 +259,6 @@ asmlinkage void __init sh_cpu_init(void) } #endif -#ifdef CONFIG_UBC_WAKEUP /* * Some brain-damaged loaders decided it would be a good idea to put * the UBC to sleep. This causes some issues when it comes to things @@ -277,7 +266,5 @@ asmlinkage void __init sh_cpu_init(void) * we wake it up and hope that all is well. */ ubc_wakeup(); -#endif - speculative_execution_init(); } diff --git a/arch/sh/kernel/cpu/irq/intc2.c b/arch/sh/kernel/cpu/irq/intc2.c index d8e22f4ff0f..cc5221390e0 100644 --- a/arch/sh/kernel/cpu/irq/intc2.c +++ b/arch/sh/kernel/cpu/irq/intc2.c @@ -13,36 +13,31 @@ #include <linux/kernel.h> #include <linux/interrupt.h> #include <linux/io.h> +#include <asm/smp.h> -#if defined(CONFIG_CPU_SUBTYPE_SH7760) -#define INTC2_BASE 0xfe080000 -#define INTC2_INTMSK (INTC2_BASE + 0x40) -#define INTC2_INTMSKCLR (INTC2_BASE + 0x60) -#elif defined(CONFIG_CPU_SUBTYPE_SH7780) || \ - defined(CONFIG_CPU_SUBTYPE_SH7785) -#define INTC2_BASE 0xffd40000 -#define INTC2_INTMSK (INTC2_BASE + 0x38) -#define INTC2_INTMSKCLR (INTC2_BASE + 0x3c) -#endif +static inline struct intc2_desc *get_intc2_desc(unsigned int irq) +{ + struct irq_chip *chip = get_irq_chip(irq); + return (void *)((char *)chip - offsetof(struct intc2_desc, chip)); +} static void disable_intc2_irq(unsigned int irq) { struct intc2_data *p = get_irq_chip_data(irq); - ctrl_outl(1 << p->msk_shift, INTC2_INTMSK + p->msk_offset); + struct intc2_desc *d = get_intc2_desc(irq); + + ctrl_outl(1 << p->msk_shift, d->msk_base + p->msk_offset + + (hard_smp_processor_id() * 4)); } static void enable_intc2_irq(unsigned int irq) { struct intc2_data *p = get_irq_chip_data(irq); - ctrl_outl(1 << p->msk_shift, INTC2_INTMSKCLR + p->msk_offset); -} + struct intc2_desc *d = get_intc2_desc(irq); -static struct irq_chip intc2_irq_chip = { - .name = "INTC2", - .mask = disable_intc2_irq, - .unmask = enable_intc2_irq, - .mask_ack = disable_intc2_irq, -}; + ctrl_outl(1 << p->msk_shift, d->mskclr_base + p->msk_offset + + (hard_smp_processor_id() * 4)); +} /* * Setup an INTC2 style interrupt. @@ -56,30 +51,36 @@ static struct irq_chip intc2_irq_chip = { * * in the intc2_data table. */ -void make_intc2_irq(struct intc2_data *table, unsigned int nr_irqs) +void register_intc2_controller(struct intc2_desc *desc) { int i; - for (i = 0; i < nr_irqs; i++) { + desc->chip.mask = disable_intc2_irq; + desc->chip.unmask = enable_intc2_irq; + desc->chip.mask_ack = disable_intc2_irq; + + for (i = 0; i < desc->nr_irqs; i++) { unsigned long ipr, flags; - struct intc2_data *p = table + i; + struct intc2_data *p = desc->intc2_data + i; disable_irq_nosync(p->irq); - /* Set the priority level */ - local_irq_save(flags); + if (desc->prio_base) { + /* Set the priority level */ + local_irq_save(flags); - ipr = ctrl_inl(INTC2_BASE + p->ipr_offset); - ipr &= ~(0xf << p->ipr_shift); - ipr |= p->priority << p->ipr_shift; - ctrl_outl(ipr, INTC2_BASE + p->ipr_offset); + ipr = ctrl_inl(desc->prio_base + p->ipr_offset); + ipr &= ~(0xf << p->ipr_shift); + ipr |= p->priority << p->ipr_shift; + ctrl_outl(ipr, desc->prio_base + p->ipr_offset); - local_irq_restore(flags); + local_irq_restore(flags); + } - set_irq_chip_and_handler_name(p->irq, &intc2_irq_chip, + set_irq_chip_and_handler_name(p->irq, &desc->chip, handle_level_irq, "level"); set_irq_chip_data(p->irq, p); - enable_intc2_irq(p->irq); + disable_intc2_irq(p->irq); } } diff --git a/arch/sh/kernel/cpu/irq/ipr.c b/arch/sh/kernel/cpu/irq/ipr.c index 210280b6fdd..98e84f40c71 100644 --- a/arch/sh/kernel/cpu/irq/ipr.c +++ b/arch/sh/kernel/cpu/irq/ipr.c @@ -22,58 +22,57 @@ #include <linux/io.h> #include <linux/interrupt.h> +static inline struct ipr_desc *get_ipr_desc(unsigned int irq) +{ + struct irq_chip *chip = get_irq_chip(irq); + return (void *)((char *)chip - offsetof(struct ipr_desc, chip)); +} + static void disable_ipr_irq(unsigned int irq) { struct ipr_data *p = get_irq_chip_data(irq); + unsigned long addr = get_ipr_desc(irq)->ipr_offsets[p->ipr_idx]; /* Set the priority in IPR to 0 */ - ctrl_outw(ctrl_inw(p->addr) & (0xffff ^ (0xf << p->shift)), p->addr); + ctrl_outw(ctrl_inw(addr) & (0xffff ^ (0xf << p->shift)), addr); } static void enable_ipr_irq(unsigned int irq) { struct ipr_data *p = get_irq_chip_data(irq); + unsigned long addr = get_ipr_desc(irq)->ipr_offsets[p->ipr_idx]; /* Set priority in IPR back to original value */ - ctrl_outw(ctrl_inw(p->addr) | (p->priority << p->shift), p->addr); + ctrl_outw(ctrl_inw(addr) | (p->priority << p->shift), addr); } -static struct irq_chip ipr_irq_chip = { - .name = "IPR", - .mask = disable_ipr_irq, - .unmask = enable_ipr_irq, - .mask_ack = disable_ipr_irq, -}; - -unsigned int map_ipridx_to_addr(int idx) __attribute__ ((weak)); -unsigned int map_ipridx_to_addr(int idx) -{ - return 0; -} +/* + * The shift value is now the number of bits to shift, not the number of + * bits/4. This is to make it easier to read the value directly from the + * datasheets. The IPR address is calculated using the ipr_offset table. + */ -void make_ipr_irq(struct ipr_data *table, unsigned int nr_irqs) +void register_ipr_controller(struct ipr_desc *desc) { int i; - for (i = 0; i < nr_irqs; i++) { - unsigned int irq = table[i].irq; + desc->chip.mask = disable_ipr_irq; + desc->chip.unmask = enable_ipr_irq; + desc->chip.mask_ack = disable_ipr_irq; - if (!irq) - irq = table[i].irq = i; + for (i = 0; i < desc->nr_irqs; i++) { + struct ipr_data *p = desc->ipr_data + i; - /* could the IPR index be mapped, if not we ignore this */ - if (!table[i].addr) { - table[i].addr = map_ipridx_to_addr(table[i].ipr_idx); - if (!table[i].addr) - continue; - } + BUG_ON(p->ipr_idx >= desc->nr_offsets); + BUG_ON(!desc->ipr_offsets[p->ipr_idx]); - disable_irq_nosync(irq); - set_irq_chip_and_handler_name(irq, &ipr_irq_chip, + disable_irq_nosync(p->irq); + set_irq_chip_and_handler_name(p->irq, &desc->chip, handle_level_irq, "level"); - set_irq_chip_data(irq, &table[i]); - enable_ipr_irq(irq); + set_irq_chip_data(p->irq, p); + disable_ipr_irq(p->irq); } } -EXPORT_SYMBOL(make_ipr_irq); + +EXPORT_SYMBOL(register_ipr_controller); #if !defined(CONFIG_CPU_HAS_PINT_IRQ) int ipr_irq_demux(int irq) diff --git a/arch/sh/kernel/cpu/sh2/entry.S b/arch/sh/kernel/cpu/sh2/entry.S index c16dc8fec48..ee8f1fe84b0 100644 --- a/arch/sh/kernel/cpu/sh2/entry.S +++ b/arch/sh/kernel/cpu/sh2/entry.S @@ -311,6 +311,7 @@ restore_all: rte nop + .align 2 #ifdef CONFIG_TRACE_IRQFLAGS 1: .long trace_hardirqs_off #endif diff --git a/arch/sh/kernel/cpu/sh2/probe.c b/arch/sh/kernel/cpu/sh2/probe.c index 108e81b682e..abbf17427e5 100644 --- a/arch/sh/kernel/cpu/sh2/probe.c +++ b/arch/sh/kernel/cpu/sh2/probe.c @@ -9,23 +9,14 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. */ - - #include <linux/init.h> +#include <linux/smp.h> #include <asm/processor.h> #include <asm/cache.h> int __init detect_cpu_and_cache_system(void) { -#if defined(CONFIG_CPU_SUBTYPE_SH7604) - current_cpu_data.type = CPU_SH7604; - current_cpu_data.dcache.ways = 4; - current_cpu_data.dcache.way_incr = (1<<10); - current_cpu_data.dcache.sets = 64; - current_cpu_data.dcache.entry_shift = 4; - current_cpu_data.dcache.linesz = L1_CACHE_BYTES; - current_cpu_data.dcache.flags = 0; -#elif defined(CONFIG_CPU_SUBTYPE_SH7619) +#if defined(CONFIG_CPU_SUBTYPE_SH7619) current_cpu_data.type = CPU_SH7619; current_cpu_data.dcache.ways = 4; current_cpu_data.dcache.way_incr = (1<<12); diff --git a/arch/sh/kernel/cpu/sh2/setup-sh7619.c b/arch/sh/kernel/cpu/sh2/setup-sh7619.c index f83ff8a68f3..1a107fe22dd 100644 --- a/arch/sh/kernel/cpu/sh2/setup-sh7619.c +++ b/arch/sh/kernel/cpu/sh2/setup-sh7619.c @@ -52,7 +52,7 @@ static int __init sh7619_devices_setup(void) } __initcall(sh7619_devices_setup); -static struct ipr_data sh7619_ipr_map[] = { +static struct ipr_data ipr_irq_table[] = { { 86, 0, 4, 2 }, /* CMI0 */ { 88, 1, 12, 3 }, /* SCIF0_ERI */ { 89, 1, 12, 3 }, /* SCIF0_RXI */ @@ -68,7 +68,7 @@ static struct ipr_data sh7619_ipr_map[] = { { 99, 1, 4, 3 }, /* SCIF2_TXI */ }; -static unsigned int ipr_offsets[] = { +static unsigned long ipr_offsets[] = { 0xf8080000, /* IPRC */ 0xf8080002, /* IPRD */ 0xf8080004, /* IPRE */ @@ -76,15 +76,19 @@ static unsigned int ipr_offsets[] = { 0xf8080008, /* IPRG */ }; -/* given the IPR index return the address of the IPR register */ -unsigned int map_ipridx_to_addr(int idx) -{ - if (unlikely(idx >= ARRAY_SIZE(ipr_offsets))) - return 0; - return ipr_offsets[idx]; -} +static struct ipr_desc ipr_irq_desc = { + .ipr_offsets = ipr_offsets, + .nr_offsets = ARRAY_SIZE(ipr_offsets), + + .ipr_data = ipr_irq_table, + .nr_irqs = ARRAY_SIZE(ipr_irq_table), + + .chip = { + .name = "IPR-sh7619", + }, +}; void __init init_IRQ_ipr(void) { - make_ipr_irq(sh7619_ipr_map, ARRAY_SIZE(sh7619_ipr_map)); + register_ipr_controller(&ipr_irq_desc); } diff --git a/arch/sh/kernel/cpu/sh2a/setup-sh7206.c b/arch/sh/kernel/cpu/sh2a/setup-sh7206.c index 4ed9110632b..b6e3a6351fa 100644 --- a/arch/sh/kernel/cpu/sh2a/setup-sh7206.c +++ b/arch/sh/kernel/cpu/sh2a/setup-sh7206.c @@ -57,7 +57,7 @@ static int __init sh7206_devices_setup(void) } __initcall(sh7206_devices_setup); -static struct ipr_data sh7206_ipr_map[] = { +static struct ipr_data ipr_irq_table[] = { { 140, 7, 12, 2 }, /* CMI0 */ { 164, 8, 4, 2 }, /* MTU2_TGI1A */ { 240, 13, 12, 3 }, /* SCIF0_BRI */ @@ -78,7 +78,7 @@ static struct ipr_data sh7206_ipr_map[] = { { 255, 13, 0, 3 }, /* SCIF3_TXI */ }; -static unsigned int ipr_offsets[] = { +static unsigned long ipr_offsets[] = { 0xfffe0818, /* IPR01 */ 0xfffe081a, /* IPR02 */ 0, /* unused */ @@ -95,15 +95,19 @@ static unsigned int ipr_offsets[] = { 0xfffe0c10, /* IPR14 */ }; -/* given the IPR index return the address of the IPR register */ -unsigned int map_ipridx_to_addr(int idx) -{ - if (unlikely(idx >= ARRAY_SIZE(ipr_offsets))) - return 0; - return ipr_offsets[idx]; -} +static struct ipr_desc ipr_irq_desc = { + .ipr_offsets = ipr_offsets, + .nr_offsets = ARRAY_SIZE(ipr_offsets), + + .ipr_data = ipr_irq_table, + .nr_irqs = ARRAY_SIZE(ipr_irq_table), + + .chip = { + .name = "IPR-sh7206", + }, +}; void __init init_IRQ_ipr(void) { - make_ipr_irq(sh7206_ipr_map, ARRAY_SIZE(sh7206_ipr_map)); + register_ipr_controller(&ipr_irq_desc); } diff --git a/arch/sh/kernel/cpu/sh3/entry.S b/arch/sh/kernel/cpu/sh3/entry.S index b0b59d4a33c..d8e122971c3 100644 --- a/arch/sh/kernel/cpu/sh3/entry.S +++ b/arch/sh/kernel/cpu/sh3/entry.S @@ -340,8 +340,27 @@ ENTRY(vbr_base) general_exception: mov.l 1f, k2 mov.l 2f, k3 +#ifdef CONFIG_CPU_SUBTYPE_SHX3 + mov.l @k2, k2 + + ! Is EXPEVT larger than 0x800? + mov #0x8, k0 + shll8 k0 + cmp/hs k0, k2 + bf 0f + + ! then add 0x580 (k2 is 0xd80 or 0xda0) + mov #0x58, k0 + shll2 k0 + shll2 k0 + add k0, k2 +0: + bra handle_exception + nop +#else bra handle_exception mov.l @k2, k2 +#endif .align 2 1: .long EXPEVT 2: .long ret_from_exception diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7705.c b/arch/sh/kernel/cpu/sh3/setup-sh7705.c index 1983fb7ad6e..a55b8ce2c54 100644 --- a/arch/sh/kernel/cpu/sh3/setup-sh7705.c +++ b/arch/sh/kernel/cpu/sh3/setup-sh7705.c @@ -48,7 +48,7 @@ static int __init sh7705_devices_setup(void) } __initcall(sh7705_devices_setup); -static struct ipr_data sh7705_ipr_map[] = { +static struct ipr_data ipr_irq_table[] = { /* IRQ, IPR-idx, shift, priority */ { 16, 0, 12, 2 }, /* TMU0 TUNI*/ { 17, 0, 8, 2 }, /* TMU1 TUNI */ @@ -70,25 +70,29 @@ static struct ipr_data sh7705_ipr_map[] = { }; static unsigned long ipr_offsets[] = { - 0xFFFFFEE2 /* 0: IPRA */ -, 0xFFFFFEE4 /* 1: IPRB */ -, 0xA4000016 /* 2: IPRC */ -, 0xA4000018 /* 3: IPRD */ -, 0xA400001A /* 4: IPRE */ -, 0xA4080000 /* 5: IPRF */ -, 0xA4080002 /* 6: IPRG */ -, 0xA4080004 /* 7: IPRH */ + 0xFFFFFEE2, /* 0: IPRA */ + 0xFFFFFEE4, /* 1: IPRB */ + 0xA4000016, /* 2: IPRC */ + 0xA4000018, /* 3: IPRD */ + 0xA400001A, /* 4: IPRE */ + 0xA4080000, /* 5: IPRF */ + 0xA4080002, /* 6: IPRG */ + 0xA4080004, /* 7: IPRH */ }; -/* given the IPR index return the address of the IPR register */ -unsigned int map_ipridx_to_addr(int idx) -{ - if (idx >= ARRAY_SIZE(ipr_offsets)) - return 0; - return ipr_offsets[idx]; -} +static struct ipr_desc ipr_irq_desc = { + .ipr_offsets = ipr_offsets, + .nr_offsets = ARRAY_SIZE(ipr_offsets), + + .ipr_data = ipr_irq_table, + .nr_irqs = ARRAY_SIZE(ipr_irq_table), + + .chip = { + .name = "IPR-sh7705", + }, +}; -void __init init_IRQ_ipr() +void __init init_IRQ_ipr(void) { - make_ipr_irq(sh7705_ipr_map, ARRAY_SIZE(sh7705_ipr_map)); + register_ipr_controller(&ipr_irq_desc); } diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7709.c b/arch/sh/kernel/cpu/sh3/setup-sh7709.c index c7d7c35fc83..d79ec0c0522 100644 --- a/arch/sh/kernel/cpu/sh3/setup-sh7709.c +++ b/arch/sh/kernel/cpu/sh3/setup-sh7709.c @@ -12,6 +12,26 @@ #include <linux/serial.h> #include <asm/sci.h> +static struct resource rtc_resources[] = { + [0] = { + .start = 0xfffffec0, + .end = 0xfffffec0 + 0x1e, + .flags = IORESOURCE_IO, + }, + [1] = { + .start = 20, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = 21, + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = 22, + .flags = IORESOURCE_IRQ, + }, +}; + static struct plat_sci_port sci_platform_data[] = { { .mapbase = 0xfffffe80, @@ -41,8 +61,16 @@ static struct platform_device sci_device = { }, }; +static struct platform_device rtc_device = { + .name = "sh-rtc", + .id = -1, + .num_resources = ARRAY_SIZE(rtc_resources), + .resource = rtc_resources, +}; + static struct platform_device *sh7709_devices[] __initdata = { &sci_device, + &rtc_device, }; static int __init sh7709_devices_setup(void) @@ -52,32 +80,66 @@ static int __init sh7709_devices_setup(void) } __initcall(sh7709_devices_setup); -#define IPRx(A,N) .addr=A, .shift=N -#define IPRA(N) IPRx(0xfffffee2UL,N) -#define IPRB(N) IPRx(0xfffffee4UL,N) -#define IPRC(N) IPRx(0xa4000016UL,N) -#define IPRD(N) IPRx(0xa4000018UL,N) -#define IPRE(N) IPRx(0xa400001aUL,N) - -static struct ipr_data sh7709_ipr_map[] = { - [16] = { IPRA(12), 2 }, /* TMU TUNI0 */ - [17] = { IPRA(8), 4 }, /* TMU TUNI1 */ - [18 ... 19] = { IPRA(4), 1 }, /* TMU TUNI1 */ - [20 ... 22] = { IPRA(0), 2 }, /* RTC CUI */ - [23 ... 26] = { IPRB(4), 3 }, /* SCI */ - [27] = { IPRB(12), 2 }, /* WDT ITI */ - [32] = { IPRC(0), 1 }, /* IRQ 0 */ - [33] = { IPRC(4), 1 }, /* IRQ 1 */ - [34] = { IPRC(8), 1 }, /* IRQ 2 APM */ - [35] = { IPRC(12), 1 }, /* IRQ 3 TOUCHSCREEN */ - [36] = { IPRD(0), 1 }, /* IRQ 4 */ - [37] = { IPRD(4), 1 }, /* IRQ 5 */ - [48 ... 51] = { IPRE(12), 7 }, /* DMA */ - [52 ... 55] = { IPRE(8), 3 }, /* IRDA */ - [56 ... 59] = { IPRE(4), 3 }, /* SCIF */ +static struct ipr_data ipr_irq_table[] = { + { 16, 0, 12, 2 }, /* TMU TUNI0 */ + { 17, 0, 8, 4 }, /* TMU TUNI1 */ + { 18, 0, 4, 1 }, /* TMU TUNI1 */ + { 19, 0, 4, 1 }, /* TMU TUNI1 */ + { 20, 0, 0, 2 }, /* RTC CUI */ + { 21, 0, 0, 2 }, /* RTC CUI */ + { 22, 0, 0, 2 }, /* RTC CUI */ + + { 23, 1, 4, 3 }, /* SCI */ + { 24, 1, 4, 3 }, /* SCI */ + { 25, 1, 4, 3 }, /* SCI */ + { 26, 1, 4, 3 }, /* SCI */ + { 27, 1, 12, 3 }, /* WDT ITI */ + + { 32, 2, 0, 1 }, /* IRQ 0 */ + { 33, 2, 4, 1 }, /* IRQ 1 */ + { 34, 2, 8, 1 }, /* IRQ 2 APM */ + { 35, 2, 12, 1 }, /* IRQ 3 TOUCHSCREEN */ + + { 36, 3, 0, 1 }, /* IRQ 4 */ + { 37, 3, 4, 1 }, /* IRQ 5 */ + + { 48, 4, 12, 7 }, /* DMA */ + { 49, 4, 12, 7 }, /* DMA */ + { 50, 4, 12, 7 }, /* DMA */ + { 51, 4, 12, 7 }, /* DMA */ + + { 52, 4, 8, 3 }, /* IRDA */ + { 53, 4, 8, 3 }, /* IRDA */ + { 54, 4, 8, 3 }, /* IRDA */ + { 55, 4, 8, 3 }, /* IRDA */ + + { 56, 4, 4, 3 }, /* SCIF */ + { 57, 4, 4, 3 }, /* SCIF */ + { 58, 4, 4, 3 }, /* SCIF */ + { 59, 4, 4, 3 }, /* SCIF */ +}; + +static unsigned long ipr_offsets[] = { + 0xfffffee2, /* 0: IPRA */ + 0xfffffee4, /* 1: IPRB */ + 0xa4000016, /* 2: IPRC */ + 0xa4000018, /* 3: IPRD */ + 0xa400001a, /* 4: IPRE */ +}; + +static struct ipr_desc ipr_irq_desc = { + .ipr_offsets = ipr_offsets, + .nr_offsets = ARRAY_SIZE(ipr_offsets), + + .ipr_data = ipr_irq_table, + .nr_irqs = ARRAY_SIZE(ipr_irq_table), + + .chip = { + .name = "IPR-sh7709", + }, }; -void __init init_IRQ_ipr() +void __init init_IRQ_ipr(void) { - make_ipr_irq(sh7709_ipr_map, ARRAY_SIZE(sh7709_ipr_map)); + register_ipr_controller(&ipr_irq_desc); } diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7710.c b/arch/sh/kernel/cpu/sh3/setup-sh7710.c index 51760a7e7f1..f40e6dac337 100644 --- a/arch/sh/kernel/cpu/sh3/setup-sh7710.c +++ b/arch/sh/kernel/cpu/sh3/setup-sh7710.c @@ -49,7 +49,7 @@ static int __init sh7710_devices_setup(void) } __initcall(sh7710_devices_setup); -static struct ipr_data sh7710_ipr_map[] = { +static struct ipr_data ipr_irq_table[] = { /* IRQ, IPR-idx, shift, priority */ { 16, 0, 12, 2 }, /* TMU0 TUNI*/ { 17, 0, 8, 2 }, /* TMU1 TUNI */ @@ -78,26 +78,30 @@ static struct ipr_data sh7710_ipr_map[] = { }; static unsigned long ipr_offsets[] = { - 0xA414FEE2 /* 0: IPRA */ -, 0xA414FEE4 /* 1: IPRB */ -, 0xA4140016 /* 2: IPRC */ -, 0xA4140018 /* 3: IPRD */ -, 0xA414001A /* 4: IPRE */ -, 0xA4080000 /* 5: IPRF */ -, 0xA4080002 /* 6: IPRG */ -, 0xA4080004 /* 7: IPRH */ -, 0xA4080006 /* 8: IPRI */ + 0xA414FEE2, /* 0: IPRA */ + 0xA414FEE4, /* 1: IPRB */ + 0xA4140016, /* 2: IPRC */ + 0xA4140018, /* 3: IPRD */ + 0xA414001A, /* 4: IPRE */ + 0xA4080000, /* 5: IPRF */ + 0xA4080002, /* 6: IPRG */ + 0xA4080004, /* 7: IPRH */ + 0xA4080006, /* 8: IPRI */ }; -/* given the IPR index return the address of the IPR register */ -unsigned int map_ipridx_to_addr(int idx) -{ - if (idx >= ARRAY_SIZE(ipr_offsets)) - return 0; - return ipr_offsets[idx]; -} +static struct ipr_desc ipr_irq_desc = { + .ipr_offsets = ipr_offsets, + .nr_offsets = ARRAY_SIZE(ipr_offsets), + + .ipr_data = ipr_irq_table, + .nr_irqs = ARRAY_SIZE(ipr_irq_table), + + .chip = { + .name = "IPR-sh7710", + }, +}; -void __init init_IRQ_ipr() +void __init init_IRQ_ipr(void) { - make_ipr_irq(sh7710_ipr_map, ARRAY_SIZE(sh7710_ipr_map)); + register_ipr_controller(&ipr_irq_desc); } diff --git a/arch/sh/kernel/cpu/sh4/Makefile b/arch/sh/kernel/cpu/sh4/Makefile index 8add10bd826..dadd6bffc12 100644 --- a/arch/sh/kernel/cpu/sh4/Makefile +++ b/arch/sh/kernel/cpu/sh4/Makefile @@ -10,7 +10,11 @@ obj-$(CONFIG_SH_STORE_QUEUES) += sq.o # CPU subtype setup obj-$(CONFIG_CPU_SUBTYPE_SH7750) += setup-sh7750.o +obj-$(CONFIG_CPU_SUBTYPE_SH7750R) += setup-sh7750.o +obj-$(CONFIG_CPU_SUBTYPE_SH7750S) += setup-sh7750.o +obj-$(CONFIG_CPU_SUBTYPE_SH7091) += setup-sh7750.o obj-$(CONFIG_CPU_SUBTYPE_SH7751) += setup-sh7750.o +obj-$(CONFIG_CPU_SUBTYPE_SH7751R) += setup-sh7750.o obj-$(CONFIG_CPU_SUBTYPE_SH7760) += setup-sh7760.o obj-$(CONFIG_CPU_SUBTYPE_SH4_202) += setup-sh4-202.o diff --git a/arch/sh/kernel/cpu/sh4/probe.c b/arch/sh/kernel/cpu/sh4/probe.c index fab2eb07196..66c3f75647b 100644 --- a/arch/sh/kernel/cpu/sh4/probe.c +++ b/arch/sh/kernel/cpu/sh4/probe.c @@ -141,6 +141,14 @@ int __init detect_cpu_and_cache_system(void) current_cpu_data.flags |= CPU_HAS_LLSC; } break; + case 0x4000: /* 1st cut */ + case 0x4001: /* 2nd cut */ + current_cpu_data.type = CPU_SHX3; + current_cpu_data.icache.ways = 4; + current_cpu_data.dcache.ways = 4; + current_cpu_data.flags |= CPU_HAS_FPU | CPU_HAS_PERF_COUNTER | + CPU_HAS_LLSC; + break; case 0x8000: current_cpu_data.type = CPU_ST40RA; current_cpu_data.flags |= CPU_HAS_FPU; diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7750.c b/arch/sh/kernel/cpu/sh4/setup-sh7750.c index 03b14cf78dd..da153bcdfeb 100644 --- a/arch/sh/kernel/cpu/sh4/setup-sh7750.c +++ b/arch/sh/kernel/cpu/sh4/setup-sh7750.c @@ -82,7 +82,7 @@ static int __init sh7750_devices_setup(void) } __initcall(sh7750_devices_setup); -static struct ipr_data sh7750_ipr_map[] = { +static struct ipr_data ipr_irq_table[] = { /* IRQ, IPR-idx, shift, priority */ { 16, 0, 12, 2 }, /* TMU0 TUNI*/ { 17, 0, 12, 2 }, /* TMU1 TUNI */ @@ -106,8 +106,27 @@ static struct ipr_data sh7750_ipr_map[] = { { 38, 2, 8, 7 }, /* DMAC DMAE */ }; +static unsigned long ipr_offsets[] = { + 0xffd00004UL, /* 0: IPRA */ + 0xffd00008UL, /* 1: IPRB */ + 0xffd0000cUL, /* 2: IPRC */ + 0xffd00010UL, /* 3: IPRD */ +}; + +static struct ipr_desc ipr_irq_desc = { + .ipr_offsets = ipr_offsets, + .nr_offsets = ARRAY_SIZE(ipr_offsets), + + .ipr_data = ipr_irq_table, + .nr_irqs = ARRAY_SIZE(ipr_irq_table), + + .chip = { + .name = "IPR-sh7750", + }, +}; + #ifdef CONFIG_CPU_SUBTYPE_SH7751 -static struct ipr_data sh7751_ipr_map[] = { +static struct ipr_data ipr_irq_table_sh7751[] = { { 44, 2, 8, 7 }, /* DMAC DMTE4 */ { 45, 2, 8, 7 }, /* DMAC DMTE5 */ { 46, 2, 8, 7 }, /* DMAC DMTE6 */ @@ -118,21 +137,26 @@ static struct ipr_data sh7751_ipr_map[] = { /*{ 72, INTPRI00, 8, ? },*/ /* TMU3 TUNI */ /*{ 76, INTPRI00, 12, ? },*/ /* TMU4 TUNI */ }; -#endif -static unsigned long ipr_offsets[] = { - 0xffd00004UL, /* 0: IPRA */ - 0xffd00008UL, /* 1: IPRB */ - 0xffd0000cUL, /* 2: IPRC */ - 0xffd00010UL, /* 3: IPRD */ +static struct ipr_desc ipr_irq_desc_sh7751 = { + .ipr_offsets = ipr_offsets, + .nr_offsets = ARRAY_SIZE(ipr_offsets), + + .ipr_data = ipr_irq_table_sh7751, + .nr_irqs = ARRAY_SIZE(ipr_irq_table_sh7751), + + .chip = { + .name = "IPR-sh7751", + }, }; +#endif -/* given the IPR index return the address of the IPR register */ -unsigned int map_ipridx_to_addr(int idx) +void __init init_IRQ_ipr(void) { - if (idx >= ARRAY_SIZE(ipr_offsets)) - return 0; - return ipr_offsets[idx]; + register_ipr_controller(&ipr_irq_desc); +#ifdef CONFIG_CPU_SUBTYPE_SH7751 + register_ipr_controller(&ipr_irq_desc_sh7751); +#endif } #define INTC_ICR 0xffd00000UL @@ -143,11 +167,3 @@ void ipr_irq_enable_irlm(void) { ctrl_outw(ctrl_inw(INTC_ICR) | INTC_ICR_IRLM, INTC_ICR); } - -void __init init_IRQ_ipr() -{ - make_ipr_irq(sh7750_ipr_map, ARRAY_SIZE(sh7750_ipr_map)); -#ifdef CONFIG_CPU_SUBTYPE_SH7751 - make_ipr_irq(sh7751_ipr_map, ARRAY_SIZE(sh7751_ipr_map)); -#endif -} diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7760.c b/arch/sh/kernel/cpu/sh4/setup-sh7760.c index b7c702821e6..3df16975567 100644 --- a/arch/sh/kernel/cpu/sh4/setup-sh7760.c +++ b/arch/sh/kernel/cpu/sh4/setup-sh7760.c @@ -96,7 +96,25 @@ static struct intc2_data intc2_irq_table[] = { {109,12, 0, 4, 0, 3}, /* CMTI */ }; -static struct ipr_data sh7760_ipr_map[] = { +static struct intc2_desc intc2_irq_desc __read_mostly = { + .prio_base = 0xfe080000, + .msk_base = 0xfe080040, + .mskclr_base = 0xfe080060, + + .intc2_data = intc2_irq_table, + .nr_irqs = ARRAY_SIZE(intc2_irq_table), + + .chip = { + .name = "INTC2-sh7760", + }, +}; + +void __init init_IRQ_intc2(void) +{ + register_intc2_controller(&intc2_irq_desc); +} + +static struct ipr_data ipr_irq_table[] = { /* IRQ, IPR-idx, shift, priority */ { 16, 0, 12, 2 }, /* TMU0 TUNI*/ { 17, 0, 8, 2 }, /* TMU1 TUNI */ @@ -133,20 +151,19 @@ static unsigned long ipr_offsets[] = { 0xffd00010UL, /* 3: IPRD */ }; -/* given the IPR index return the address of the IPR register */ -unsigned int map_ipridx_to_addr(int idx) -{ - if (idx >= ARRAY_SIZE(ipr_offsets)) - return 0; - return ipr_offsets[idx]; -} +static struct ipr_desc ipr_irq_desc = { + .ipr_offsets = ipr_offsets, + .nr_offsets = ARRAY_SIZE(ipr_offsets), -void __init init_IRQ_intc2(void) -{ - make_intc2_irq(intc2_irq_table, ARRAY_SIZE(intc2_irq_table)); -} + .ipr_data = ipr_irq_table, + .nr_irqs = ARRAY_SIZE(ipr_irq_table), + + .chip = { + .name = "IPR-sh7760", + }, +}; -void __init init_IRQ_ipr(void) +void __init init_IRQ_ipr(void) { - make_ipr_irq(sh7760_ipr_map, ARRAY_SIZE(sh7760_ipr_map)); + register_ipr_controller(&ipr_irq_desc); } diff --git a/arch/sh/kernel/cpu/sh4a/Makefile b/arch/sh/kernel/cpu/sh4a/Makefile index ab7422f8f82..40062328648 100644 --- a/arch/sh/kernel/cpu/sh4a/Makefile +++ b/arch/sh/kernel/cpu/sh4a/Makefile @@ -9,6 +9,7 @@ obj-$(CONFIG_CPU_SUBTYPE_SH7785) += setup-sh7785.o obj-$(CONFIG_CPU_SUBTYPE_SH73180) += setup-sh73180.o obj-$(CONFIG_CPU_SUBTYPE_SH7343) += setup-sh7343.o obj-$(CONFIG_CPU_SUBTYPE_SH7722) += setup-sh7722.o +obj-$(CONFIG_CPU_SUBTYPE_SHX3) += setup-shx3.o # Primary on-chip clocks (common) clock-$(CONFIG_CPU_SUBTYPE_SH73180) := clock-sh73180.o @@ -17,5 +18,6 @@ clock-$(CONFIG_CPU_SUBTYPE_SH7780) := clock-sh7780.o clock-$(CONFIG_CPU_SUBTYPE_SH7785) := clock-sh7785.o clock-$(CONFIG_CPU_SUBTYPE_SH7343) := clock-sh7343.o clock-$(CONFIG_CPU_SUBTYPE_SH7722) := clock-sh7722.o +clock-$(CONFIG_CPU_SUBTYPE_SHX3) := clock-shx3.o obj-y += $(clock-y) diff --git a/arch/sh/kernel/cpu/sh4a/clock-shx3.c b/arch/sh/kernel/cpu/sh4a/clock-shx3.c new file mode 100644 index 00000000000..c630b29e06a --- /dev/null +++ b/arch/sh/kernel/cpu/sh4a/clock-shx3.c @@ -0,0 +1,135 @@ +/* + * arch/sh/kernel/cpu/sh4/clock-shx3.c + * + * SH-X3 support for the clock framework + * + * Copyright (C) 2006-2007 Renesas Technology Corp. + * Copyright (C) 2006-2007 Renesas Solutions Corp. + * Copyright (C) 2006-2007 Paul Mundt + * + * 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. + */ +#include <linux/init.h> +#include <linux/kernel.h> +#include <asm/clock.h> +#include <asm/freq.h> +#include <asm/io.h> + +static int ifc_divisors[] = { 1, 2, 4 ,6 }; +static int bfc_divisors[] = { 1, 1, 1, 1, 1, 12, 16, 18, 24, 32, 36, 48 }; +static int pfc_divisors[] = { 1, 1, 1, 1, 1, 1, 1, 18, 24, 32, 36, 48 }; +static int cfc_divisors[] = { 1, 1, 4, 6 }; + +#define IFC_POS 28 +#define IFC_MSK 0x0003 +#define BFC_MSK 0x000f +#define PFC_MSK 0x000f +#define CFC_MSK 0x0003 +#define BFC_POS 16 +#define PFC_POS 0 +#define CFC_POS 20 + +static void master_clk_init(struct clk *clk) +{ + clk->rate *= pfc_divisors[(ctrl_inl(FRQCR) >> PFC_POS) & PFC_MSK]; +} + +static struct clk_ops shx3_master_clk_ops = { + .init = master_clk_init, +}; + +static void module_clk_recalc(struct clk *clk) +{ + int idx = ((ctrl_inl(FRQCR) >> PFC_POS) & PFC_MSK); + clk->rate = clk->parent->rate / pfc_divisors[idx]; +} + +static struct clk_ops shx3_module_clk_ops = { + .recalc = module_clk_recalc, +}; + +static void bus_clk_recalc(struct clk *clk) +{ + int idx = ((ctrl_inl(FRQCR) >> BFC_POS) & BFC_MSK); + clk->rate = clk->parent->rate / bfc_divisors[idx]; +} + +static struct clk_ops shx3_bus_clk_ops = { + .recalc = bus_clk_recalc, +}; + +static void cpu_clk_recalc(struct clk *clk) +{ + int idx = ((ctrl_inl(FRQCR) >> IFC_POS) & IFC_MSK); + clk->rate = clk->parent->rate / ifc_divisors[idx]; +} + +static struct clk_ops shx3_cpu_clk_ops = { + .recalc = cpu_clk_recalc, +}; + +static struct clk_ops *shx3_clk_ops[] = { + &shx3_master_clk_ops, + &shx3_module_clk_ops, + &shx3_bus_clk_ops, + &shx3_cpu_clk_ops, +}; + +void __init arch_init_clk_ops(struct clk_ops **ops, int idx) +{ + if (idx < ARRAY_SIZE(shx3_clk_ops)) + *ops = shx3_clk_ops[idx]; +} + +static void shyway_clk_recalc(struct clk *clk) +{ + int idx = ((ctrl_inl(FRQCR) >> CFC_POS) & CFC_MSK); + clk->rate = clk->parent->rate / cfc_divisors[idx]; +} + +static struct clk_ops shx3_shyway_clk_ops = { + .recalc = shyway_clk_recalc, +}; + +static struct clk shx3_shyway_clk = { + .name = "shyway_clk", + .flags = CLK_ALWAYS_ENABLED, + .ops = &shx3_shyway_clk_ops, +}; + +/* + * Additional SHx3-specific on-chip clocks that aren't already part of the + * clock framework + */ +static struct clk *shx3_onchip_clocks[] = { + &shx3_shyway_clk, +}; + +static int __init shx3_clk_init(void) +{ + struct clk *clk = clk_get(NULL, "master_clk"); + int i; + + for (i = 0; i < ARRAY_SIZE(shx3_onchip_clocks); i++) { + struct clk *clkp = shx3_onchip_clocks[i]; + + clkp->parent = clk; + clk_register(clkp); + clk_enable(clkp); + } + + /* + * Now that we have the rest of the clocks registered, we need to + * force the parent clock to propagate so that these clocks will + * automatically figure out their rate. We cheat by handing the + * parent clock its current rate and forcing child propagation. + */ + clk_set_rate(clk, clk_get_rate(clk)); + + clk_put(clk); + + return 0; +} +arch_initcall(shx3_clk_init); diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c index 1143fbf65fa..a3e159ef6df 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c @@ -1,7 +1,7 @@ /* * SH7722 Setup * - * Copyright (C) 2006 Paul Mundt + * Copyright (C) 2006 - 2007 Paul Mundt * * 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 @@ -10,6 +10,8 @@ #include <linux/platform_device.h> #include <linux/init.h> #include <linux/serial.h> +#include <linux/mm.h> +#include <asm/mmzone.h> #include <asm/sci.h> static struct plat_sci_port sci_platform_data[] = { @@ -42,7 +44,7 @@ static int __init sh7722_devices_setup(void) } __initcall(sh7722_devices_setup); -static struct ipr_data sh7722_ipr_map[] = { +static struct ipr_data ipr_irq_table[] = { /* IRQ, IPR-idx, shift, prio */ { 16, 0, 12, 2 }, /* TMU0 */ { 17, 0, 8, 2 }, /* TMU1 */ @@ -67,14 +69,25 @@ static unsigned long ipr_offsets[] = { 0xa408002c, /* 11: IPRL */ }; -unsigned int map_ipridx_to_addr(int idx) +static struct ipr_desc ipr_irq_desc = { + .ipr_offsets = ipr_offsets, + .nr_offsets = ARRAY_SIZE(ipr_offsets), + + .ipr_data = ipr_irq_table, + .nr_irqs = ARRAY_SIZE(ipr_irq_table), + + .chip = { + .name = "IPR-sh7722", + }, +}; + +void __init init_IRQ_ipr(void) { - if (unlikely(idx >= ARRAY_SIZE(ipr_offsets))) - return 0; - return ipr_offsets[idx]; + register_ipr_controller(&ipr_irq_desc); } -void __init init_IRQ_ipr(void) +void __init plat_mem_setup(void) { - make_ipr_irq(sh7722_ipr_map, ARRAY_SIZE(sh7722_ipr_map)); + /* Register the URAM space as Node 1 */ + setup_bootmem_node(1, 0x055f0000, 0x05610000); } diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c index 9aeaa2ddaa2..b57c760bffd 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c @@ -102,7 +102,20 @@ static struct intc2_data intc2_irq_table[] = { { 68, 0x14, 8, 0, 18, 2 }, /* PCIC4 */ }; +static struct intc2_desc intc2_irq_desc __read_mostly = { + .prio_base = 0xffd40000, + .msk_base = 0xffd40038, + .mskclr_base = 0xffd4003c, + + .intc2_data = intc2_irq_table, + .nr_irqs = ARRAY_SIZE(intc2_irq_table), + + .chip = { + .name = "INTC2-sh7780", + }, +}; + void __init init_IRQ_intc2(void) { - make_intc2_irq(intc2_irq_table, ARRAY_SIZE(intc2_irq_table)); + register_intc2_controller(&intc2_irq_desc); } diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c index 07b0de82cfe..ce10ec5d691 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c @@ -97,7 +97,21 @@ static struct intc2_data intc2_irq_table[] = { { 60, 12, 16, 0, 7, 3 }, /* SCIF5 ERI, RXI, BRI, TXI */ }; +static struct intc2_desc intc2_irq_desc __read_mostly = { + .prio_base = 0xffd40000, + .msk_base = 0xffd40038, + .mskclr_base = 0xffd4003c, + + .intc2_data = intc2_irq_table, + .nr_irqs = ARRAY_SIZE(intc2_irq_table), + + .chip = { + .name = "INTC2-sh7785", + }, +}; + void __init init_IRQ_intc2(void) { - make_intc2_irq(intc2_irq_table, ARRAY_SIZE(intc2_irq_table)); + register_intc2_controller(&intc2_irq_desc); } + diff --git a/arch/sh/kernel/cpu/sh4a/setup-shx3.c b/arch/sh/kernel/cpu/sh4a/setup-shx3.c new file mode 100644 index 00000000000..70683ea12b8 --- /dev/null +++ b/arch/sh/kernel/cpu/sh4a/setup-shx3.c @@ -0,0 +1,85 @@ +/* + * SH-X3 Setup + * + * Copyright (C) 2007 Paul Mundt + * + * 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. + */ +#include <linux/platform_device.h> +#include <linux/init.h> +#include <linux/serial.h> +#include <linux/io.h> +#include <asm/sci.h> + +static struct plat_sci_port sci_platform_data[] = { + { + .mapbase = 0xffc30000, + .flags = UPF_BOOT_AUTOCONF, + .type = PORT_SCIF, + .irqs = { 40, 41, 43, 42 }, + }, { + .mapbase = 0xffc40000, + .flags = UPF_BOOT_AUTOCONF, + .type = PORT_SCIF, + .irqs = { 44, 45, 47, 46 }, + }, { + .mapbase = 0xffc50000, + .flags = UPF_BOOT_AUTOCONF, + .type = PORT_SCIF, + .irqs = { 48, 49, 51, 50 }, + }, { + .mapbase = 0xffc60000, + .flags = UPF_BOOT_AUTOCONF, + .type = PORT_SCIF, + .irqs = { 52, 53, 55, 54 }, + }, { + .flags = 0, + } +}; + +static struct platform_device sci_device = { + .name = "sh-sci", + .id = -1, + .dev = { + .platform_data = sci_platform_data, + }, +}; + +static struct platform_device *shx3_devices[] __initdata = { + &sci_device, +}; + +static int __init shx3_devices_setup(void) +{ + return platform_add_devices(shx3_devices, + ARRAY_SIZE(shx3_devices)); +} +__initcall(shx3_devices_setup); + +static struct intc2_data intc2_irq_table[] = { + { 16, 0, 0, 0, 1, 2 }, /* TMU0 */ + { 40, 4, 0, 0x20, 0, 3 }, /* SCIF0 ERI */ + { 41, 4, 0, 0x20, 1, 3 }, /* SCIF0 RXI */ + { 42, 4, 0, 0x20, 2, 3 }, /* SCIF0 BRI */ + { 43, 4, 0, 0x20, 3, 3 }, /* SCIF0 TXI */ +}; + +static struct intc2_desc intc2_irq_desc __read_mostly = { + .prio_base = 0xfe410000, + .msk_base = 0xfe410820, + .mskclr_base = 0xfe410850, + + .intc2_data = intc2_irq_table, + .nr_irqs = ARRAY_SIZE(intc2_irq_table), + + .chip = { + .name = "INTC2-SHX3", + }, +}; + +void __init init_IRQ_intc2(void) +{ + register_intc2_controller(&intc2_irq_desc); +} diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c index 27b923c45b3..27897798867 100644 --- a/arch/sh/kernel/irq.c +++ b/arch/sh/kernel/irq.c @@ -158,15 +158,11 @@ asmlinkage int do_IRQ(unsigned int irq, struct pt_regs *regs) } #ifdef CONFIG_4KSTACKS -/* - * These should really be __section__(".bss.page_aligned") as well, but - * gcc's 3.0 and earlier don't handle that correctly. - */ static char softirq_stack[NR_CPUS * THREAD_SIZE] - __attribute__((__aligned__(THREAD_SIZE))); + __attribute__((__section__(".bss.page_aligned"))); static char hardirq_stack[NR_CPUS * THREAD_SIZE] - __attribute__((__aligned__(THREAD_SIZE))); + __attribute__((__section__(".bss.page_aligned"))); /* * allocate per-cpu stacks for hardirq and for softirq processing diff --git a/arch/sh/kernel/machvec.c b/arch/sh/kernel/machvec.c new file mode 100644 index 00000000000..23c5948f012 --- /dev/null +++ b/arch/sh/kernel/machvec.c @@ -0,0 +1,130 @@ +/* + * arch/sh/kernel/machvec.c + * + * The SuperH machine vector setup handlers, yanked from setup.c + * + * Copyright (C) 1999 Niibe Yutaka + * Copyright (C) 2002 - 2007 Paul Mundt + * + * 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. + */ +#include <linux/init.h> +#include <linux/string.h> +#include <asm/machvec.h> +#include <asm/sections.h> +#include <asm/io.h> +#include <asm/irq.h> + +#define MV_NAME_SIZE 32 + +#define for_each_mv(mv) \ + for ((mv) = (struct sh_machine_vector *)&__machvec_start; \ + (mv) && (unsigned long)(mv) < (unsigned long)&__machvec_end; \ + (mv)++) + +static struct sh_machine_vector * __init get_mv_byname(const char *name) +{ + struct sh_machine_vector *mv; + + for_each_mv(mv) + if (strcasecmp(name, mv->mv_name) == 0) + return mv; + + return NULL; +} + +static unsigned int __initdata machvec_selected; + +static int __init early_parse_mv(char *from) +{ + char mv_name[MV_NAME_SIZE] = ""; + char *mv_end; + char *mv_comma; + int mv_len; + struct sh_machine_vector *mvp; + + mv_end = strchr(from, ' '); + if (mv_end == NULL) + mv_end = from + strlen(from); + + mv_comma = strchr(from, ','); + mv_len = mv_end - from; + if (mv_len > (MV_NAME_SIZE-1)) + mv_len = MV_NAME_SIZE-1; + memcpy(mv_name, from, mv_len); + mv_name[mv_len] = '\0'; + from = mv_end; + + machvec_selected = 1; + + /* Boot with the generic vector */ + if (strcmp(mv_name, "generic") == 0) + return 0; + + mvp = get_mv_byname(mv_name); + if (unlikely(!mvp)) { + printk("Available vectors:\n\n\t'%s', ", sh_mv.mv_name); + for_each_mv(mvp) + printk("'%s', ", mvp->mv_name); + printk("\n\n"); + panic("Failed to select machvec '%s' -- halting.\n", + mv_name); + } else + sh_mv = *mvp; + + return 0; +} +early_param("sh_mv", early_parse_mv); + +void __init sh_mv_setup(void) +{ + /* + * Only overload the machvec if one hasn't been selected on + * the command line with sh_mv= + */ + if (!machvec_selected) { + unsigned long machvec_size; + + machvec_size = ((unsigned long)&__machvec_end - + (unsigned long)&__machvec_start); + + /* + * If the machvec hasn't been preselected, use the first + * vector (usually the only one) from .machvec.init. + */ + if (machvec_size >= sizeof(struct sh_machine_vector)) + sh_mv = *(struct sh_machine_vector *)&__machvec_start; + } + + printk(KERN_NOTICE "Booting machvec: %s\n", get_system_type()); + + /* + * Manually walk the vec, fill in anything that the board hasn't yet + * by hand, wrapping to the generic implementation. + */ +#define mv_set(elem) do { \ + if (!sh_mv.mv_##elem) \ + sh_mv.mv_##elem = generic_##elem; \ +} while (0) + + mv_set(inb); mv_set(inw); mv_set(inl); + mv_set(outb); mv_set(outw); mv_set(outl); + + mv_set(inb_p); mv_set(inw_p); mv_set(inl_p); + mv_set(outb_p); mv_set(outw_p); mv_set(outl_p); + + mv_set(insb); mv_set(insw); mv_set(insl); + mv_set(outsb); mv_set(outsw); mv_set(outsl); + + mv_set(readb); mv_set(readw); mv_set(readl); + mv_set(writeb); mv_set(writew); mv_set(writel); + + mv_set(ioport_map); + mv_set(ioport_unmap); + mv_set(irq_demux); + + if (!sh_mv.mv_nr_irqs) + sh_mv.mv_nr_irqs = NR_IRQS; +} diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c index a11e2aa73cb..6334a4c54c7 100644 --- a/arch/sh/kernel/process.c +++ b/arch/sh/kernel/process.c @@ -17,6 +17,7 @@ #include <linux/kexec.h> #include <linux/kdebug.h> #include <linux/tick.h> +#include <linux/reboot.h> #include <asm/uaccess.h> #include <asm/mmu_context.h> #include <asm/pgalloc.h> @@ -319,9 +320,7 @@ static void ubc_set_tracing(int asid, unsigned long pc) ctrl_outl(pc, UBC_BARA); #ifdef CONFIG_MMU - /* We don't have any ASID settings for the SH-2! */ - if (current_cpu_data.type != CPU_SH7604) - ctrl_outb(asid, UBC_BASRA); + ctrl_outb(asid, UBC_BASRA); #endif ctrl_outl(0, UBC_BAMRA); @@ -405,8 +404,8 @@ asmlinkage int sys_fork(unsigned long r4, unsigned long r5, unsigned long r6, unsigned long r7, struct pt_regs __regs) { - struct pt_regs *regs = RELOC_HIDE(&__regs, 0); #ifdef CONFIG_MMU + struct pt_regs *regs = RELOC_HIDE(&__regs, 0); return do_fork(SIGCHLD, regs->regs[15], regs, 0, NULL, NULL); #else /* fork almost works, enough to trick you into looking elsewhere :-( */ @@ -449,23 +448,20 @@ asmlinkage int sys_vfork(unsigned long r4, unsigned long r5, /* * sys_execve() executes a new program. */ -asmlinkage int sys_execve(char *ufilename, char **uargv, - char **uenvp, unsigned long r7, +asmlinkage int sys_execve(char __user *ufilename, char __user * __user *uargv, + char __user * __user *uenvp, unsigned long r7, struct pt_regs __regs) { struct pt_regs *regs = RELOC_HIDE(&__regs, 0); int error; char *filename; - filename = getname((char __user *)ufilename); + filename = getname(ufilename); error = PTR_ERR(filename); if (IS_ERR(filename)) goto out; - error = do_execve(filename, - (char __user * __user *)uargv, - (char __user * __user *)uenvp, - regs); + error = do_execve(filename, uargv, uenvp, regs); if (error == 0) { task_lock(current); current->ptrace &= ~PT_DTRACE; diff --git a/arch/sh/kernel/ptrace.c b/arch/sh/kernel/ptrace.c index 3fb5fc0b550..f2eaa485d04 100644 --- a/arch/sh/kernel/ptrace.c +++ b/arch/sh/kernel/ptrace.c @@ -99,7 +99,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) ret = -EIO; if (copied != sizeof(tmp)) break; - ret = put_user(tmp,(unsigned long *) data); + ret = put_user(tmp,(unsigned long __user *) data); break; } @@ -128,7 +128,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) tmp = !!tsk_used_math(child); else tmp = 0; - ret = put_user(tmp, (unsigned long *)data); + ret = put_user(tmp, (unsigned long __user *)data); break; } @@ -196,7 +196,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) case PTRACE_SINGLESTEP: { /* set the trap flag. */ long pc; - struct pt_regs *dummy = NULL; + struct pt_regs *regs = NULL; ret = -EIO; if (!valid_signal(data)) @@ -207,7 +207,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) child->ptrace |= PT_DTRACE; } - pc = get_stack_long(child, (long)&dummy->pc); + pc = get_stack_long(child, (long)®s->pc); /* Next scheduling will set up UBC */ if (child->thread.ubc_pc == 0) diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index c2772913593..de8e6e2f2c8 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -23,6 +23,7 @@ #include <linux/kexec.h> #include <asm/uaccess.h> #include <asm/io.h> +#include <asm/page.h> #include <asm/sections.h> #include <asm/irq.h> #include <asm/setup.h> @@ -41,20 +42,19 @@ extern void * __rd_start, * __rd_end; * The bigger value means no problem. */ struct sh_cpuinfo boot_cpu_data = { CPU_SH_NONE, 10000000, }; + +/* + * The machine vector. First entry in .machvec.init, or clobbered by + * sh_mv= on the command line, prior to .machvec.init teardown. + */ +struct sh_machine_vector sh_mv = { .mv_name = "generic", }; + #ifdef CONFIG_VT struct screen_info screen_info; #endif -#if defined(CONFIG_SH_UNKNOWN) -struct sh_machine_vector sh_mv; -#endif - extern int root_mountflags; -#define MV_NAME_SIZE 32 - -static struct sh_machine_vector* __init get_mv_byname(const char* name); - /* * This is set up by the setup-routine at boot-time */ @@ -80,131 +80,17 @@ static struct resource data_resource = { .name = "Kernel data", }; unsigned long memory_start, memory_end; -static inline void parse_cmdline (char ** cmdline_p, char mv_name[MV_NAME_SIZE], - struct sh_machine_vector** mvp, - unsigned long *mv_io_base) +static int __init early_parse_mem(char *p) { - char c = ' ', *to = command_line, *from = COMMAND_LINE; - int len = 0; - - /* Save unparsed command line copy for /proc/cmdline */ - memcpy(boot_command_line, COMMAND_LINE, COMMAND_LINE_SIZE); - boot_command_line[COMMAND_LINE_SIZE-1] = '\0'; + unsigned long size; memory_start = (unsigned long)PAGE_OFFSET+__MEMORY_START; - memory_end = memory_start + __MEMORY_SIZE; - - for (;;) { - /* - * "mem=XXX[kKmM]" defines a size of memory. - */ - if (c == ' ' && !memcmp(from, "mem=", 4)) { - if (to != command_line) - to--; - { - unsigned long mem_size; - - mem_size = memparse(from+4, &from); - memory_end = memory_start + mem_size; - } - } - - if (c == ' ' && !memcmp(from, "sh_mv=", 6)) { - char* mv_end; - char* mv_comma; - int mv_len; - if (to != command_line) - to--; - from += 6; - mv_end = strchr(from, ' '); - if (mv_end == NULL) - mv_end = from + strlen(from); - - mv_comma = strchr(from, ','); - if ((mv_comma != NULL) && (mv_comma < mv_end)) { - int ints[3]; - get_options(mv_comma+1, ARRAY_SIZE(ints), ints); - *mv_io_base = ints[1]; - mv_len = mv_comma - from; - } else { - mv_len = mv_end - from; - } - if (mv_len > (MV_NAME_SIZE-1)) - mv_len = MV_NAME_SIZE-1; - memcpy(mv_name, from, mv_len); - mv_name[mv_len] = '\0'; - from = mv_end; - - *mvp = get_mv_byname(mv_name); - } - - c = *(from++); - if (!c) - break; - if (COMMAND_LINE_SIZE <= ++len) - break; - *(to++) = c; - } - *to = '\0'; - *cmdline_p = command_line; -} - -static int __init sh_mv_setup(char **cmdline_p) -{ -#ifdef CONFIG_SH_UNKNOWN - extern struct sh_machine_vector mv_unknown; -#endif - struct sh_machine_vector *mv = NULL; - char mv_name[MV_NAME_SIZE] = ""; - unsigned long mv_io_base = 0; - - parse_cmdline(cmdline_p, mv_name, &mv, &mv_io_base); - -#ifdef CONFIG_SH_UNKNOWN - if (mv == NULL) { - mv = &mv_unknown; - if (*mv_name != '\0') { - printk("Warning: Unsupported machine %s, using unknown\n", - mv_name); - } - } - sh_mv = *mv; -#endif - - /* - * Manually walk the vec, fill in anything that the board hasn't yet - * by hand, wrapping to the generic implementation. - */ -#define mv_set(elem) do { \ - if (!sh_mv.mv_##elem) \ - sh_mv.mv_##elem = generic_##elem; \ -} while (0) - - mv_set(inb); mv_set(inw); mv_set(inl); - mv_set(outb); mv_set(outw); mv_set(outl); - - mv_set(inb_p); mv_set(inw_p); mv_set(inl_p); - mv_set(outb_p); mv_set(outw_p); mv_set(outl_p); - - mv_set(insb); mv_set(insw); mv_set(insl); - mv_set(outsb); mv_set(outsw); mv_set(outsl); - - mv_set(readb); mv_set(readw); mv_set(readl); - mv_set(writeb); mv_set(writew); mv_set(writel); - - mv_set(ioport_map); - mv_set(ioport_unmap); - mv_set(irq_demux); - -#ifdef CONFIG_SH_UNKNOWN - __set_io_port_base(mv_io_base); -#endif - - if (!sh_mv.mv_nr_irqs) - sh_mv.mv_nr_irqs = NR_IRQS; + size = memparse(p, &p); + memory_end = memory_start + size; return 0; } +early_param("mem", early_parse_mem); /* * Register fully available low RAM pages with the bootmem allocator. @@ -230,7 +116,7 @@ static void __init register_bootmem_low_pages(void) free_bootmem(PFN_PHYS(curr_pfn), PFN_PHYS(pages)); } -void __init setup_bootmem_allocator(unsigned long start_pfn) +void __init setup_bootmem_allocator(unsigned long free_pfn) { unsigned long bootmap_size; @@ -239,9 +125,10 @@ void __init setup_bootmem_allocator(unsigned long start_pfn) * bootstrap step all allocations (until the page allocator * is intact) must be done via bootmem_alloc(). */ - bootmap_size = init_bootmem_node(NODE_DATA(0), start_pfn, + bootmap_size = init_bootmem_node(NODE_DATA(0), free_pfn, min_low_pfn, max_low_pfn); + add_active_range(0, min_low_pfn, max_low_pfn); register_bootmem_low_pages(); node_set_online(0); @@ -254,7 +141,7 @@ void __init setup_bootmem_allocator(unsigned long start_pfn) * an invalid RAM area. */ reserve_bootmem(__MEMORY_START+PAGE_SIZE, - (PFN_PHYS(start_pfn)+bootmap_size+PAGE_SIZE-1)-__MEMORY_START); + (PFN_PHYS(free_pfn)+bootmap_size+PAGE_SIZE-1)-__MEMORY_START); /* * reserve physical page 0 - it's a special BIOS page on many boxes, @@ -262,6 +149,8 @@ void __init setup_bootmem_allocator(unsigned long start_pfn) */ reserve_bootmem(__MEMORY_START, PAGE_SIZE); + sparse_memory_present_with_active_regions(0); + #ifdef CONFIG_BLK_DEV_INITRD ROOT_DEV = MKDEV(RAMDISK_MAJOR, 0); if (&__rd_start != &__rd_end) { @@ -315,10 +204,6 @@ void __init setup_arch(char **cmdline_p) { enable_mmu(); -#ifdef CONFIG_CMDLINE_BOOL - strcpy(COMMAND_LINE, CONFIG_CMDLINE); -#endif - ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV); #ifdef CONFIG_BLK_DEV_RAM @@ -339,9 +224,22 @@ void __init setup_arch(char **cmdline_p) data_resource.start = virt_to_phys(_etext); data_resource.end = virt_to_phys(_edata)-1; + memory_start = (unsigned long)PAGE_OFFSET+__MEMORY_START; + memory_end = memory_start + __MEMORY_SIZE; + +#ifdef CONFIG_CMDLINE_BOOL + strlcpy(command_line, CONFIG_CMDLINE, sizeof(command_line)); +#else + strlcpy(command_line, COMMAND_LINE, sizeof(command_line)); +#endif + + /* Save unparsed command line copy for /proc/cmdline */ + memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE); + *cmdline_p = command_line; + parse_early_param(); - sh_mv_setup(cmdline_p); + sh_mv_setup(); /* * Find the highest page frame number we have available @@ -355,8 +253,9 @@ void __init setup_arch(char **cmdline_p) min_low_pfn = __MEMORY_START >> PAGE_SHIFT; nodes_clear(node_online_map); + + /* Setup bootmem with available RAM */ setup_memory(); - paging_init(); sparse_init(); #ifdef CONFIG_DUMMY_CONSOLE @@ -366,46 +265,13 @@ void __init setup_arch(char **cmdline_p) /* Perform the machine specific initialisation */ if (likely(sh_mv.mv_setup)) sh_mv.mv_setup(cmdline_p); -} - -struct sh_machine_vector* __init get_mv_byname(const char* name) -{ - extern long __machvec_start, __machvec_end; - struct sh_machine_vector *all_vecs = - (struct sh_machine_vector *)&__machvec_start; - - int i, n = ((unsigned long)&__machvec_end - - (unsigned long)&__machvec_start)/ - sizeof(struct sh_machine_vector); - - for (i = 0; i < n; ++i) { - struct sh_machine_vector *mv = &all_vecs[i]; - if (mv == NULL) - continue; - if (strcasecmp(name, get_system_type()) == 0) { - return mv; - } - } - return NULL; -} - -static struct cpu cpu[NR_CPUS]; - -static int __init topology_init(void) -{ - int cpu_id; - for_each_possible_cpu(cpu_id) - register_cpu(&cpu[cpu_id], cpu_id); - - return 0; + paging_init(); } -subsys_initcall(topology_init); - static const char *cpu_name[] = { [CPU_SH7206] = "SH7206", [CPU_SH7619] = "SH7619", - [CPU_SH7604] = "SH7604", [CPU_SH7300] = "SH7300", + [CPU_SH7300] = "SH7300", [CPU_SH7705] = "SH7705", [CPU_SH7706] = "SH7706", [CPU_SH7707] = "SH7707", [CPU_SH7708] = "SH7708", [CPU_SH7709] = "SH7709", [CPU_SH7710] = "SH7710", @@ -419,7 +285,7 @@ static const char *cpu_name[] = { [CPU_SH7770] = "SH7770", [CPU_SH7780] = "SH7780", [CPU_SH7781] = "SH7781", [CPU_SH7343] = "SH7343", [CPU_SH7785] = "SH7785", [CPU_SH7722] = "SH7722", - [CPU_SH_NONE] = "Unknown" + [CPU_SHX3] = "SH-X3", [CPU_SH_NONE] = "Unknown" }; const char *get_cpu_subtype(struct sh_cpuinfo *c) diff --git a/arch/sh/kernel/sh_ksyms.c b/arch/sh/kernel/sh_ksyms.c index c1cfcb9f047..c968dcf09ee 100644 --- a/arch/sh/kernel/sh_ksyms.c +++ b/arch/sh/kernel/sh_ksyms.c @@ -78,6 +78,16 @@ DECLARE_EXPORT(__movstr); DECLARE_EXPORT(__movmem_i4_even); DECLARE_EXPORT(__movmem_i4_odd); DECLARE_EXPORT(__movmemSI12_i4); + +#if (__GNUC_MINOR__ == 2 || defined(__GNUC_STM_RELEASE__)) +/* + * GCC 4.2 emits these for division, as do GCC 4.1.x versions of the ST + * compiler which include backported patches. + */ +DECLARE_EXPORT(__sdivsi3_i4i); +DECLARE_EXPORT(__udiv_qrnnd_16); +DECLARE_EXPORT(__udivsi3_i4i); +#endif #else /* GCC 3.x */ DECLARE_EXPORT(__movstr_i4_even); DECLARE_EXPORT(__movstr_i4_odd); diff --git a/arch/sh/kernel/signal.c b/arch/sh/kernel/signal.c index e323e299878..706d81ccd10 100644 --- a/arch/sh/kernel/signal.c +++ b/arch/sh/kernel/signal.c @@ -23,6 +23,7 @@ #include <linux/personality.h> #include <linux/binfmts.h> #include <linux/freezer.h> +#include <linux/io.h> #include <asm/system.h> #include <asm/ucontext.h> #include <asm/uaccess.h> @@ -261,7 +262,7 @@ asmlinkage int sys_rt_sigreturn(unsigned long r4, unsigned long r5, goto badframe; /* It is more difficult to avoid calling this function than to call it and ignore errors. */ - do_sigaltstack(&st, NULL, regs->regs[15]); + do_sigaltstack((const stack_t __user *)&st, NULL, (unsigned long)frame); return r0; diff --git a/arch/sh/kernel/syscalls.S b/arch/sh/kernel/syscalls.S index 7db1c2dc599..ff5656e60c0 100644 --- a/arch/sh/kernel/syscalls.S +++ b/arch/sh/kernel/syscalls.S @@ -308,9 +308,9 @@ ENTRY(sys_call_table) .long sys_utimes .long sys_fadvise64_64_wrapper .long sys_ni_syscall /* Reserved for vserver */ - .long sys_ni_syscall /* Reserved for mbind */ - .long sys_ni_syscall /* 275 - get_mempolicy */ - .long sys_ni_syscall /* set_mempolicy */ + .long sys_mbind + .long sys_get_mempolicy /* 275 */ + .long sys_set_mempolicy .long sys_mq_open .long sys_mq_unlink .long sys_mq_timedsend diff --git a/arch/sh/kernel/timers/timer-tmu.c b/arch/sh/kernel/timers/timer-tmu.c index 2d997e2a5b6..097ebd49f1b 100644 --- a/arch/sh/kernel/timers/timer-tmu.c +++ b/arch/sh/kernel/timers/timer-tmu.c @@ -30,7 +30,7 @@ static int tmu_timer_start(void) { - ctrl_outb(ctrl_inb(TMU_TSTR) | 0x3, TMU_TSTR); + ctrl_outb(ctrl_inb(TMU_012_TSTR) | 0x3, TMU_012_TSTR); return 0; } @@ -52,7 +52,7 @@ static void tmu0_timer_set_interval(unsigned long interval, unsigned int reload) static int tmu_timer_stop(void) { - ctrl_outb(ctrl_inb(TMU_TSTR) & ~0x3, TMU_TSTR); + ctrl_outb(ctrl_inb(TMU_012_TSTR) & ~0x3, TMU_012_TSTR); return 0; } @@ -174,7 +174,8 @@ static int tmu_timer_init(void) #if !defined(CONFIG_CPU_SUBTYPE_SH7300) && \ !defined(CONFIG_CPU_SUBTYPE_SH7760) && \ - !defined(CONFIG_CPU_SUBTYPE_SH7785) + !defined(CONFIG_CPU_SUBTYPE_SH7785) && \ + !defined(CONFIG_CPU_SUBTYPE_SHX3) ctrl_outb(TMU_TOCR_INIT, TMU_TOCR); #endif diff --git a/arch/sh/kernel/topology.c b/arch/sh/kernel/topology.c new file mode 100644 index 00000000000..9b5844a1bda --- /dev/null +++ b/arch/sh/kernel/topology.c @@ -0,0 +1,49 @@ +/* + * arch/sh/kernel/topology.c + * + * Copyright (C) 2007 Paul Mundt + * + * 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. + */ +#include <linux/cpu.h> +#include <linux/cpumask.h> +#include <linux/init.h> +#include <linux/percpu.h> +#include <linux/node.h> +#include <linux/nodemask.h> + +static DEFINE_PER_CPU(struct cpu, cpu_devices); + +static int __init topology_init(void) +{ + int i, ret; + +#ifdef CONFIG_NEED_MULTIPLE_NODES + for_each_online_node(i) + register_one_node(i); +#endif + + for_each_present_cpu(i) { + ret = register_cpu(&per_cpu(cpu_devices, i), i); + if (unlikely(ret)) + printk(KERN_WARNING "%s: register_cpu %d failed (%d)\n", + __FUNCTION__, i, ret); + } + +#if defined(CONFIG_NUMA) && !defined(CONFIG_SMP) + /* + * In the UP case, make sure the CPU association is still + * registered under each node. Without this, sysfs fails + * to make the connection between nodes other than node0 + * and cpu0. + */ + for_each_online_node(i) + if (i != numa_node_id()) + register_cpu_under_node(raw_smp_processor_id(), i); +#endif + + return 0; +} +subsys_initcall(topology_init); diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c index 8f18930d5bf..05a40f3c30b 100644 --- a/arch/sh/kernel/traps.c +++ b/arch/sh/kernel/traps.c @@ -584,7 +584,7 @@ uspace_segv: info.si_signo = SIGBUS; info.si_errno = 0; info.si_code = si_code; - info.si_addr = (void *) address; + info.si_addr = (void __user *)address; force_sig_info(SIGBUS, &info, current); } else { if (regs->pc & 1) @@ -617,7 +617,7 @@ uspace_segv: */ int is_dsp_inst(struct pt_regs *regs) { - unsigned short inst; + unsigned short inst = 0; /* * Safe guard if DSP mode is already enabled or we're lacking @@ -645,7 +645,6 @@ asmlinkage void do_divide_error(unsigned long r4, unsigned long r5, unsigned long r6, unsigned long r7, struct pt_regs __regs) { - struct pt_regs *regs = RELOC_HIDE(&__regs, 0); siginfo_t info; switch (r4) { @@ -874,7 +873,7 @@ void __init trap_init(void) void handle_BUG(struct pt_regs *regs) { enum bug_trap_type tt; - tt = report_bug(regs->pc); + tt = report_bug(regs->pc, regs); if (tt == BUG_TRAP_TYPE_WARN) { regs->pc += 2; return; diff --git a/arch/sh/kernel/vmlinux.lds.S b/arch/sh/kernel/vmlinux.lds.S index 4c5b57e9c3c..0696402f446 100644 --- a/arch/sh/kernel/vmlinux.lds.S +++ b/arch/sh/kernel/vmlinux.lds.S @@ -97,18 +97,20 @@ SECTIONS __initramfs_end = .; #endif + . = ALIGN(4); __machvec_start = .; - .init.machvec : { *(.init.machvec) } + .machvec.init : { *(.machvec.init) } __machvec_end = .; - . = ALIGN(PAGE_SIZE); - __init_end = .; - - . = ALIGN(4); - __bss_start = .; /* BSS */ - .bss : { *(.bss) } - . = ALIGN(4); - _end = . ; + . = ALIGN(PAGE_SIZE); + .bss : { + __init_end = .; + __bss_start = .; /* BSS */ + *(.bss.page_aligned) + *(.bss) + . = ALIGN(4); + _end = . ; + } /* When something in the kernel is NOT compiled as a module, the * module cleanup code and data are put into these segments. Both |