diff options
Diffstat (limited to 'arch/sh/kernel')
31 files changed, 450 insertions, 599 deletions
diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile index 8eed6a4..77f7ae1 100644 --- a/arch/sh/kernel/Makefile +++ b/arch/sh/kernel/Makefile @@ -11,7 +11,7 @@ endif CFLAGS_REMOVE_return_address.o = -pg -obj-y := clkdev.o debugtraps.o dma-nommu.o dumpstack.o \ +obj-y := debugtraps.o dma-nommu.o dumpstack.o \ idle.o io.o irq.o irq_$(BITS).o kdebugfs.o \ machvec.o nmi_debug.o process.o \ process_$(BITS).o ptrace.o ptrace_$(BITS).o \ @@ -20,6 +20,11 @@ obj-y := clkdev.o debugtraps.o dma-nommu.o dumpstack.o \ syscalls_$(BITS).o time.o topology.o traps.o \ traps_$(BITS).o unwinder.o +ifndef CONFIG_GENERIC_IOMAP +obj-y += iomap.o +obj-$(CONFIG_HAS_IOPORT) += ioport.o +endif + obj-y += cpu/ obj-$(CONFIG_VSYSCALL) += vsyscall/ obj-$(CONFIG_SMP) += smp.o @@ -39,7 +44,6 @@ obj-$(CONFIG_DUMP_CODE) += disassemble.o obj-$(CONFIG_HIBERNATION) += swsusp.o obj-$(CONFIG_DWARF_UNWINDER) += dwarf.o obj-$(CONFIG_PERF_EVENTS) += perf_event.o perf_callchain.o -obj-$(CONFIG_HAS_IOPORT) += io_generic.o obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o obj-$(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) += localtimer.o diff --git a/arch/sh/kernel/clkdev.c b/arch/sh/kernel/clkdev.c deleted file mode 100644 index 1f800ef..0000000 --- a/arch/sh/kernel/clkdev.c +++ /dev/null @@ -1,171 +0,0 @@ -/* - * arch/sh/kernel/clkdev.c - * - * Cloned from arch/arm/common/clkdev.c: - * - * Copyright (C) 2008 Russell King. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Helper for the clk API to assist looking up a struct clk. - */ -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/device.h> -#include <linux/list.h> -#include <linux/errno.h> -#include <linux/err.h> -#include <linux/string.h> -#include <linux/mutex.h> -#include <linux/clk.h> -#include <linux/slab.h> -#include <linux/bootmem.h> -#include <linux/mm.h> -#include <asm/clock.h> -#include <asm/clkdev.h> - -static LIST_HEAD(clocks); -static DEFINE_MUTEX(clocks_mutex); - -/* - * Find the correct struct clk for the device and connection ID. - * We do slightly fuzzy matching here: - * An entry with a NULL ID is assumed to be a wildcard. - * If an entry has a device ID, it must match - * If an entry has a connection ID, it must match - * Then we take the most specific entry - with the following - * order of precedence: dev+con > dev only > con only. - */ -static struct clk *clk_find(const char *dev_id, const char *con_id) -{ - struct clk_lookup *p; - struct clk *clk = NULL; - int match, best = 0; - - list_for_each_entry(p, &clocks, node) { - match = 0; - if (p->dev_id) { - if (!dev_id || strcmp(p->dev_id, dev_id)) - continue; - match += 2; - } - if (p->con_id) { - if (!con_id || strcmp(p->con_id, con_id)) - continue; - match += 1; - } - if (match == 0) - continue; - - if (match > best) { - clk = p->clk; - best = match; - } - } - return clk; -} - -struct clk *clk_get_sys(const char *dev_id, const char *con_id) -{ - struct clk *clk; - - mutex_lock(&clocks_mutex); - clk = clk_find(dev_id, con_id); - mutex_unlock(&clocks_mutex); - - return clk ? clk : ERR_PTR(-ENOENT); -} -EXPORT_SYMBOL(clk_get_sys); - -void clkdev_add(struct clk_lookup *cl) -{ - mutex_lock(&clocks_mutex); - list_add_tail(&cl->node, &clocks); - mutex_unlock(&clocks_mutex); -} -EXPORT_SYMBOL(clkdev_add); - -void __init clkdev_add_table(struct clk_lookup *cl, size_t num) -{ - mutex_lock(&clocks_mutex); - while (num--) { - list_add_tail(&cl->node, &clocks); - cl++; - } - mutex_unlock(&clocks_mutex); -} - -#define MAX_DEV_ID 20 -#define MAX_CON_ID 16 - -struct clk_lookup_alloc { - struct clk_lookup cl; - char dev_id[MAX_DEV_ID]; - char con_id[MAX_CON_ID]; -}; - -struct clk_lookup * __init_refok -clkdev_alloc(struct clk *clk, const char *con_id, const char *dev_fmt, ...) -{ - struct clk_lookup_alloc *cla; - - if (!slab_is_available()) - cla = alloc_bootmem_low_pages(sizeof(*cla)); - else - cla = kzalloc(sizeof(*cla), GFP_KERNEL); - - if (!cla) - return NULL; - - cla->cl.clk = clk; - if (con_id) { - strlcpy(cla->con_id, con_id, sizeof(cla->con_id)); - cla->cl.con_id = cla->con_id; - } - - if (dev_fmt) { - va_list ap; - - va_start(ap, dev_fmt); - vscnprintf(cla->dev_id, sizeof(cla->dev_id), dev_fmt, ap); - cla->cl.dev_id = cla->dev_id; - va_end(ap); - } - - return &cla->cl; -} -EXPORT_SYMBOL(clkdev_alloc); - -int clk_add_alias(const char *alias, const char *alias_dev_name, char *id, - struct device *dev) -{ - struct clk *r = clk_get(dev, id); - struct clk_lookup *l; - - if (IS_ERR(r)) - return PTR_ERR(r); - - l = clkdev_alloc(r, alias, alias_dev_name); - clk_put(r); - if (!l) - return -ENODEV; - clkdev_add(l); - return 0; -} -EXPORT_SYMBOL(clk_add_alias); - -/* - * clkdev_drop - remove a clock dynamically allocated - */ -void clkdev_drop(struct clk_lookup *cl) -{ - struct clk_lookup_alloc *cla = container_of(cl, struct clk_lookup_alloc, cl); - - mutex_lock(&clocks_mutex); - list_del(&cl->node); - mutex_unlock(&clocks_mutex); - kfree(cla); -} -EXPORT_SYMBOL(clkdev_drop); diff --git a/arch/sh/kernel/cpu/Makefile b/arch/sh/kernel/cpu/Makefile index 4edcb60..d49c213 100644 --- a/arch/sh/kernel/cpu/Makefile +++ b/arch/sh/kernel/cpu/Makefile @@ -20,4 +20,4 @@ obj-$(CONFIG_SH_CLK_CPG_LEGACY) += clock-cpg.o obj-$(CONFIG_SH_FPU) += fpu.o obj-$(CONFIG_SH_FPU_EMU) += fpu.o -obj-y += irq/ init.o clock.o hwblk.o +obj-y += irq/ init.o clock.o hwblk.o proc.o diff --git a/arch/sh/kernel/cpu/clock-cpg.c b/arch/sh/kernel/cpu/clock-cpg.c index e2f63d6..dd0e0f2 100644 --- a/arch/sh/kernel/cpu/clock-cpg.c +++ b/arch/sh/kernel/cpu/clock-cpg.c @@ -2,7 +2,7 @@ #include <linux/compiler.h> #include <linux/slab.h> #include <linux/io.h> -#include <asm/clkdev.h> +#include <linux/clkdev.h> #include <asm/clock.h> static struct clk master_clk = { diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c index 50f887d..4187cf4 100644 --- a/arch/sh/kernel/cpu/clock.c +++ b/arch/sh/kernel/cpu/clock.c @@ -48,20 +48,4 @@ int __init clk_init(void) return ret; } -/* - * Returns a clock. Note that we first try to use device id on the bus - * and clock name. If this fails, we try to use clock name only. - */ -struct clk *clk_get(struct device *dev, const char *con_id) -{ - const char *dev_id = dev ? dev_name(dev) : NULL; - - return clk_get_sys(dev_id, con_id); -} -EXPORT_SYMBOL_GPL(clk_get); - -void clk_put(struct clk *clk) -{ -} -EXPORT_SYMBOL_GPL(clk_put); diff --git a/arch/sh/kernel/cpu/proc.c b/arch/sh/kernel/cpu/proc.c new file mode 100644 index 0000000..e80a936 --- /dev/null +++ b/arch/sh/kernel/cpu/proc.c @@ -0,0 +1,148 @@ +#include <linux/seq_file.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <asm/machvec.h> +#include <asm/processor.h> + +static const char *cpu_name[] = { + [CPU_SH7201] = "SH7201", + [CPU_SH7203] = "SH7203", [CPU_SH7263] = "SH7263", + [CPU_SH7206] = "SH7206", [CPU_SH7619] = "SH7619", + [CPU_SH7705] = "SH7705", [CPU_SH7706] = "SH7706", + [CPU_SH7707] = "SH7707", [CPU_SH7708] = "SH7708", + [CPU_SH7709] = "SH7709", [CPU_SH7710] = "SH7710", + [CPU_SH7712] = "SH7712", [CPU_SH7720] = "SH7720", + [CPU_SH7721] = "SH7721", [CPU_SH7729] = "SH7729", + [CPU_SH7750] = "SH7750", [CPU_SH7750S] = "SH7750S", + [CPU_SH7750R] = "SH7750R", [CPU_SH7751] = "SH7751", + [CPU_SH7751R] = "SH7751R", [CPU_SH7760] = "SH7760", + [CPU_SH4_202] = "SH4-202", [CPU_SH4_501] = "SH4-501", + [CPU_SH7763] = "SH7763", [CPU_SH7770] = "SH7770", + [CPU_SH7780] = "SH7780", [CPU_SH7781] = "SH7781", + [CPU_SH7343] = "SH7343", [CPU_SH7785] = "SH7785", + [CPU_SH7786] = "SH7786", [CPU_SH7757] = "SH7757", + [CPU_SH7722] = "SH7722", [CPU_SHX3] = "SH-X3", + [CPU_SH5_101] = "SH5-101", [CPU_SH5_103] = "SH5-103", + [CPU_MXG] = "MX-G", [CPU_SH7723] = "SH7723", + [CPU_SH7366] = "SH7366", [CPU_SH7724] = "SH7724", + [CPU_SH_NONE] = "Unknown" +}; + +const char *get_cpu_subtype(struct sh_cpuinfo *c) +{ + return cpu_name[c->type]; +} +EXPORT_SYMBOL(get_cpu_subtype); + +#ifdef CONFIG_PROC_FS +/* Symbolic CPU flags, keep in sync with asm/cpu-features.h */ +static const char *cpu_flags[] = { + "none", "fpu", "p2flush", "mmuassoc", "dsp", "perfctr", + "ptea", "llsc", "l2", "op32", "pteaex", NULL +}; + +static void show_cpuflags(struct seq_file *m, struct sh_cpuinfo *c) +{ + unsigned long i; + + seq_printf(m, "cpu flags\t:"); + + if (!c->flags) { + seq_printf(m, " %s\n", cpu_flags[0]); + return; + } + + for (i = 0; cpu_flags[i]; i++) + if ((c->flags & (1 << i))) + seq_printf(m, " %s", cpu_flags[i+1]); + + seq_printf(m, "\n"); +} + +static void show_cacheinfo(struct seq_file *m, const char *type, + struct cache_info info) +{ + unsigned int cache_size; + + cache_size = info.ways * info.sets * info.linesz; + + seq_printf(m, "%s size\t: %2dKiB (%d-way)\n", + type, cache_size >> 10, info.ways); +} + +/* + * Get CPU information for use by the procfs. + */ +static int show_cpuinfo(struct seq_file *m, void *v) +{ + struct sh_cpuinfo *c = v; + unsigned int cpu = c - cpu_data; + + if (!cpu_online(cpu)) + return 0; + + if (cpu == 0) + seq_printf(m, "machine\t\t: %s\n", get_system_type()); + else + seq_printf(m, "\n"); + + seq_printf(m, "processor\t: %d\n", cpu); + seq_printf(m, "cpu family\t: %s\n", init_utsname()->machine); + seq_printf(m, "cpu type\t: %s\n", get_cpu_subtype(c)); + if (c->cut_major == -1) + seq_printf(m, "cut\t\t: unknown\n"); + else if (c->cut_minor == -1) + seq_printf(m, "cut\t\t: %d.x\n", c->cut_major); + else + seq_printf(m, "cut\t\t: %d.%d\n", c->cut_major, c->cut_minor); + + show_cpuflags(m, c); + + seq_printf(m, "cache type\t: "); + + /* + * Check for what type of cache we have, we support both the + * unified cache on the SH-2 and SH-3, as well as the harvard + * style cache on the SH-4. + */ + if (c->icache.flags & SH_CACHE_COMBINED) { + seq_printf(m, "unified\n"); + show_cacheinfo(m, "cache", c->icache); + } else { + seq_printf(m, "split (harvard)\n"); + show_cacheinfo(m, "icache", c->icache); + show_cacheinfo(m, "dcache", c->dcache); + } + + /* Optional secondary cache */ + if (c->flags & CPU_HAS_L2_CACHE) + show_cacheinfo(m, "scache", c->scache); + + seq_printf(m, "address sizes\t: %u bits physical\n", c->phys_bits); + + seq_printf(m, "bogomips\t: %lu.%02lu\n", + c->loops_per_jiffy/(500000/HZ), + (c->loops_per_jiffy/(5000/HZ)) % 100); + + return 0; +} + +static void *c_start(struct seq_file *m, loff_t *pos) +{ + return *pos < NR_CPUS ? cpu_data + *pos : NULL; +} +static void *c_next(struct seq_file *m, void *v, loff_t *pos) +{ + ++*pos; + return c_start(m, pos); +} +static void c_stop(struct seq_file *m, void *v) +{ +} +const struct seq_operations cpuinfo_op = { + .start = c_start, + .next = c_next, + .stop = c_stop, + .show = show_cpuinfo, +}; +#endif /* CONFIG_PROC_FS */ diff --git a/arch/sh/kernel/cpu/sh2/clock-sh7619.c b/arch/sh/kernel/cpu/sh2/clock-sh7619.c index 0c9f24d..5b7f12e 100644 --- a/arch/sh/kernel/cpu/sh2/clock-sh7619.c +++ b/arch/sh/kernel/cpu/sh2/clock-sh7619.c @@ -14,24 +14,18 @@ */ #include <linux/init.h> #include <linux/kernel.h> +#include <linux/io.h> #include <asm/clock.h> #include <asm/freq.h> -#include <asm/io.h> +#include <asm/processor.h> static const int pll1rate[] = {1,2}; static const int pfc_divisors[] = {1,2,0,4}; - -#if (CONFIG_SH_CLK_MD == 1) || (CONFIG_SH_CLK_MD == 2) -#define PLL2 (4) -#elif (CONFIG_SH_CLK_MD == 5) || (CONFIG_SH_CLK_MD == 6) -#define PLL2 (2) -#else -#error "Illigal Clock Mode!" -#endif +static unsigned int pll2_mult; static void master_clk_init(struct clk *clk) { - clk->rate *= PLL2 * pll1rate[(__raw_readw(FREQCR) >> 8) & 7]; + clk->rate *= pll2_mult * pll1rate[(__raw_readw(FREQCR) >> 8) & 7]; } static struct clk_ops sh7619_master_clk_ops = { @@ -70,6 +64,14 @@ static struct clk_ops *sh7619_clk_ops[] = { void __init arch_init_clk_ops(struct clk_ops **ops, int idx) { + if (test_mode_pin(MODE_PIN2 | MODE_PIN0) || + test_mode_pin(MODE_PIN2 | MODE_PIN1)) + pll2_mult = 2; + else if (test_mode_pin(MODE_PIN0) || test_mode_pin(MODE_PIN1)) + pll2_mult = 4; + + BUG_ON(!pll2_mult); + if (idx < ARRAY_SIZE(sh7619_clk_ops)) *ops = sh7619_clk_ops[idx]; } diff --git a/arch/sh/kernel/cpu/sh2a/clock-sh7201.c b/arch/sh/kernel/cpu/sh2a/clock-sh7201.c index c509c40..1174e2d 100644 --- a/arch/sh/kernel/cpu/sh2a/clock-sh7201.c +++ b/arch/sh/kernel/cpu/sh2a/clock-sh7201.c @@ -22,19 +22,12 @@ static const int pll1rate[]={1,2,3,4,6,8}; static const int pfc_divisors[]={1,2,3,4,6,8,12}; #define ifc_divisors pfc_divisors -#if (CONFIG_SH_CLK_MD == 0) -#define PLL2 (4) -#elif (CONFIG_SH_CLK_MD == 2) -#define PLL2 (2) -#elif (CONFIG_SH_CLK_MD == 3) -#define PLL2 (1) -#else -#error "Illegal Clock Mode!" -#endif +static unsigned int pll2_mult; static void master_clk_init(struct clk *clk) { - clk->rate = 10000000 * PLL2 * pll1rate[(__raw_readw(FREQCR) >> 8) & 0x0007]; + clk->rate = 10000000 * pll2_mult * + pll1rate[(__raw_readw(FREQCR) >> 8) & 0x0007]; } static struct clk_ops sh7201_master_clk_ops = { @@ -80,6 +73,13 @@ static struct clk_ops *sh7201_clk_ops[] = { void __init arch_init_clk_ops(struct clk_ops **ops, int idx) { + if (test_mode_pin(MODE_PIN1 | MODE_PIN0)) + pll2_mult = 1; + else if (test_mode_pin(MODE_PIN1)) + pll2_mult = 2; + else + pll2_mult = 4; + if (idx < ARRAY_SIZE(sh7201_clk_ops)) *ops = sh7201_clk_ops[idx]; } diff --git a/arch/sh/kernel/cpu/sh2a/clock-sh7203.c b/arch/sh/kernel/cpu/sh2a/clock-sh7203.c index 7e75d8f..95a008e 100644 --- a/arch/sh/kernel/cpu/sh2a/clock-sh7203.c +++ b/arch/sh/kernel/cpu/sh2a/clock-sh7203.c @@ -25,21 +25,11 @@ static const int pll1rate[]={8,12,16,0}; static const int pfc_divisors[]={1,2,3,4,6,8,12}; #define ifc_divisors pfc_divisors -#if (CONFIG_SH_CLK_MD == 0) -#define PLL2 (1) -#elif (CONFIG_SH_CLK_MD == 1) -#define PLL2 (2) -#elif (CONFIG_SH_CLK_MD == 2) -#define PLL2 (4) -#elif (CONFIG_SH_CLK_MD == 3) -#define PLL2 (4) -#else -#error "Illegal Clock Mode!" -#endif +static unsigned int pll2_mult; static void master_clk_init(struct clk *clk) { - clk->rate *= pll1rate[(__raw_readw(FREQCR) >> 8) & 0x0003] * PLL2 ; + clk->rate *= pll1rate[(__raw_readw(FREQCR) >> 8) & 0x0003] * pll2_mult; } static struct clk_ops sh7203_master_clk_ops = { @@ -79,6 +69,13 @@ static struct clk_ops *sh7203_clk_ops[] = { void __init arch_init_clk_ops(struct clk_ops **ops, int idx) { + if (test_mode_pin(MODE_PIN1)) + pll2_mult = 4; + else if (test_mode_pin(MODE_PIN0)) + pll2_mult = 2; + else + pll2_mult = 1; + if (idx < ARRAY_SIZE(sh7203_clk_ops)) *ops = sh7203_clk_ops[idx]; } diff --git a/arch/sh/kernel/cpu/sh2a/clock-sh7206.c b/arch/sh/kernel/cpu/sh2a/clock-sh7206.c index b27a5e2..3c314d7 100644 --- a/arch/sh/kernel/cpu/sh2a/clock-sh7206.c +++ b/arch/sh/kernel/cpu/sh2a/clock-sh7206.c @@ -22,19 +22,11 @@ static const int pll1rate[]={1,2,3,4,6,8}; static const int pfc_divisors[]={1,2,3,4,6,8,12}; #define ifc_divisors pfc_divisors -#if (CONFIG_SH_CLK_MD == 2) -#define PLL2 (4) -#elif (CONFIG_SH_CLK_MD == 6) -#define PLL2 (2) -#elif (CONFIG_SH_CLK_MD == 7) -#define PLL2 (1) -#else -#error "Illigal Clock Mode!" -#endif +static unsigned int pll2_mult; static void master_clk_init(struct clk *clk) { - clk->rate *= PLL2 * pll1rate[(__raw_readw(FREQCR) >> 8) & 0x0007]; + clk->rate *= pll2_mult * pll1rate[(__raw_readw(FREQCR) >> 8) & 0x0007]; } static struct clk_ops sh7206_master_clk_ops = { @@ -79,7 +71,13 @@ static struct clk_ops *sh7206_clk_ops[] = { void __init arch_init_clk_ops(struct clk_ops **ops, int idx) { + if (test_mode_pin(MODE_PIN2 | MODE_PIN1 | MODE_PIN0)) + pll2_mult = 1; + else if (test_mode_pin(MODE_PIN2 | MODE_PIN1)) + pll2_mult = 2; + else if (test_mode_pin(MODE_PIN1)) + pll2_mult = 4; + if (idx < ARRAY_SIZE(sh7206_clk_ops)) *ops = sh7206_clk_ops[idx]; } - diff --git a/arch/sh/kernel/cpu/sh4/clock-sh4-202.c b/arch/sh/kernel/cpu/sh4/clock-sh4-202.c index 6282a83..3f6f8e9 100644 --- a/arch/sh/kernel/cpu/sh4/clock-sh4-202.c +++ b/arch/sh/kernel/cpu/sh4/clock-sh4-202.c @@ -13,7 +13,7 @@ #include <linux/kernel.h> #include <linux/err.h> #include <linux/io.h> -#include <asm/clkdev.h> +#include <linux/clkdev.h> #include <asm/clock.h> #include <asm/freq.h> diff --git a/arch/sh/kernel/cpu/sh4/perf_event.c b/arch/sh/kernel/cpu/sh4/perf_event.c index dbf3b4b..748955d 100644 --- a/arch/sh/kernel/cpu/sh4/perf_event.c +++ b/arch/sh/kernel/cpu/sh4/perf_event.c @@ -250,4 +250,4 @@ static int __init sh7750_pmu_init(void) return register_sh_pmu(&sh7750_pmu); } -arch_initcall(sh7750_pmu_init); +early_initcall(sh7750_pmu_init); diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7343.c b/arch/sh/kernel/cpu/sh4a/clock-sh7343.c index 71291ae..93c6460 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7343.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7343.c @@ -21,7 +21,7 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/io.h> -#include <asm/clkdev.h> +#include <linux/clkdev.h> #include <asm/clock.h> /* SH7343 registers */ diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7366.c b/arch/sh/kernel/cpu/sh4a/clock-sh7366.c index 7ce5bbc..049dc062 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7366.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7366.c @@ -21,7 +21,7 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/io.h> -#include <asm/clkdev.h> +#include <linux/clkdev.h> #include <asm/clock.h> /* SH7366 registers */ diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c index 2030f3d..9d23a36 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7722.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7722.c @@ -21,7 +21,7 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/io.h> -#include <asm/clkdev.h> +#include <linux/clkdev.h> #include <asm/clock.h> #include <asm/hwblk.h> #include <cpu/sh7722.h> diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7723.c b/arch/sh/kernel/cpu/sh4a/clock-sh7723.c index d3938f0..55493cd 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7723.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7723.c @@ -22,7 +22,7 @@ #include <linux/kernel.h> #include <linux/io.h> #include <linux/clk.h> -#include <asm/clkdev.h> +#include <linux/clkdev.h> #include <asm/clock.h> #include <asm/hwblk.h> #include <cpu/sh7723.h> diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c index 271c0b32..d08fa95 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c @@ -22,7 +22,7 @@ #include <linux/kernel.h> #include <linux/io.h> #include <linux/clk.h> -#include <asm/clkdev.h> +#include <linux/clkdev.h> #include <asm/clock.h> #include <asm/hwblk.h> #include <cpu/sh7724.h> diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7757.c b/arch/sh/kernel/cpu/sh4a/clock-sh7757.c index ce39a2a..e073e3e 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7757.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7757.c @@ -12,7 +12,7 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/io.h> -#include <asm/clkdev.h> +#include <linux/clkdev.h> #include <asm/clock.h> #include <asm/freq.h> diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7763.c b/arch/sh/kernel/cpu/sh4a/clock-sh7763.c index 1f1df48..599630f 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7763.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7763.c @@ -13,7 +13,7 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/io.h> -#include <asm/clkdev.h> +#include <linux/clkdev.h> #include <asm/clock.h> #include <asm/freq.h> #include <asm/io.h> diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7780.c b/arch/sh/kernel/cpu/sh4a/clock-sh7780.c index 62d7063..8894926 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7780.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7780.c @@ -12,7 +12,7 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/io.h> -#include <asm/clkdev.h> +#include <linux/clkdev.h> #include <asm/clock.h> #include <asm/freq.h> #include <asm/io.h> diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7785.c b/arch/sh/kernel/cpu/sh4a/clock-sh7785.c index c3e458a..2d96024 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7785.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7785.c @@ -14,7 +14,7 @@ #include <linux/clk.h> #include <linux/io.h> #include <linux/cpufreq.h> -#include <asm/clkdev.h> +#include <linux/clkdev.h> #include <asm/clock.h> #include <asm/freq.h> #include <cpu/sh7785.h> diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7786.c b/arch/sh/kernel/cpu/sh4a/clock-sh7786.c index 597c9fb..42e403b 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7786.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7786.c @@ -13,7 +13,7 @@ #include <linux/kernel.h> #include <linux/clk.h> #include <linux/io.h> -#include <asm/clkdev.h> +#include <linux/clkdev.h> #include <asm/clock.h> #include <asm/freq.h> diff --git a/arch/sh/kernel/cpu/sh4a/clock-shx3.c b/arch/sh/kernel/cpu/sh4a/clock-shx3.c index 4f70df6..1afdb93 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-shx3.c +++ b/arch/sh/kernel/cpu/sh4a/clock-shx3.c @@ -14,7 +14,7 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/io.h> -#include <asm/clkdev.h> +#include <linux/clkdev.h> #include <asm/clock.h> #include <asm/freq.h> diff --git a/arch/sh/kernel/cpu/sh4a/perf_event.c b/arch/sh/kernel/cpu/sh4a/perf_event.c index 5802765..17e6beb 100644 --- a/arch/sh/kernel/cpu/sh4a/perf_event.c +++ b/arch/sh/kernel/cpu/sh4a/perf_event.c @@ -284,4 +284,4 @@ static int __init sh4a_pmu_init(void) return register_sh_pmu(&sh4a_pmu); } -arch_initcall(sh4a_pmu_init); +early_initcall(sh4a_pmu_init); diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7786.c b/arch/sh/kernel/cpu/sh4a/setup-sh7786.c index c016c00..0170dbd 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7786.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7786.c @@ -522,10 +522,37 @@ static struct platform_device dma0_device = { }, }; +#define USB_EHCI_START 0xffe70000 +#define USB_OHCI_START 0xffe70400 + +static struct resource usb_ehci_resources[] = { + [0] = { + .start = USB_EHCI_START, + .end = USB_EHCI_START + 0x3ff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 77, + .end = 77, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device usb_ehci_device = { + .name = "sh_ehci", + .id = -1, + .dev = { + .dma_mask = &usb_ehci_device.dev.coherent_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .num_resources = ARRAY_SIZE(usb_ehci_resources), + .resource = usb_ehci_resources, +}; + static struct resource usb_ohci_resources[] = { [0] = { - .start = 0xffe70400, - .end = 0xffe704ff, + .start = USB_OHCI_START, + .end = USB_OHCI_START + 0x3ff, .flags = IORESOURCE_MEM, }, [1] = { @@ -535,12 +562,11 @@ static struct resource usb_ohci_resources[] = { }, }; -static u64 usb_ohci_dma_mask = DMA_BIT_MASK(32); static struct platform_device usb_ohci_device = { .name = "sh_ohci", .id = -1, .dev = { - .dma_mask = &usb_ohci_dma_mask, + .dma_mask = &usb_ohci_device.dev.coherent_dma_mask, .coherent_dma_mask = DMA_BIT_MASK(32), }, .num_resources = ARRAY_SIZE(usb_ohci_resources), @@ -570,6 +596,7 @@ static struct platform_device *sh7786_early_devices[] __initdata = { static struct platform_device *sh7786_devices[] __initdata = { &dma0_device, + &usb_ehci_device, &usb_ohci_device, }; diff --git a/arch/sh/kernel/io_generic.c b/arch/sh/kernel/io_generic.c deleted file mode 100644 index 447d78f..0000000 --- a/arch/sh/kernel/io_generic.c +++ /dev/null @@ -1,180 +0,0 @@ -/* - * arch/sh/kernel/io_generic.c - * - * Copyright (C) 2000 Niibe Yutaka - * Copyright (C) 2005 - 2007 Paul Mundt - * - * Generic I/O routine. These can be used where a machine specific version - * is not required. - * - * 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/module.h> -#include <linux/io.h> -#include <asm/machvec.h> - -#ifdef CONFIG_CPU_SH3 -/* SH3 has a PCMCIA bug that needs a dummy read from area 6 for a - * workaround. */ -/* I'm not sure SH7709 has this kind of bug */ -#define dummy_read() __raw_readb(0xba000000) -#else -#define dummy_read() -#endif - -unsigned long generic_io_base = 0; - -u8 generic_inb(unsigned long port) -{ - return __raw_readb(__ioport_map(port, 1)); -} - -u16 generic_inw(unsigned long port) -{ - return __raw_readw(__ioport_map(port, 2)); -} - -u32 generic_inl(unsigned long port) -{ - return __raw_readl(__ioport_map(port, 4)); -} - -u8 generic_inb_p(unsigned long port) -{ - unsigned long v = generic_inb(port); - - ctrl_delay(); - return v; -} - -u16 generic_inw_p(unsigned long port) -{ - unsigned long v = generic_inw(port); - - ctrl_delay(); - return v; -} - -u32 generic_inl_p(unsigned long port) -{ - unsigned long v = generic_inl(port); - - ctrl_delay(); - return v; -} - -/* - * insb/w/l all read a series of bytes/words/longs from a fixed port - * address. However as the port address doesn't change we only need to - * convert the port address to real address once. - */ - -void generic_insb(unsigned long port, void *dst, unsigned long count) -{ - __raw_readsb(__ioport_map(port, 1), dst, count); - dummy_read(); -} - -void generic_insw(unsigned long port, void *dst, unsigned long count) -{ - __raw_readsw(__ioport_map(port, 2), dst, count); - dummy_read(); -} - -void generic_insl(unsigned long port, void *dst, unsigned long count) -{ - __raw_readsl(__ioport_map(port, 4), dst, count); - dummy_read(); -} - -void generic_outb(u8 b, unsigned long port) -{ - __raw_writeb(b, __ioport_map(port, 1)); -} - -void generic_outw(u16 b, unsigned long port) -{ - __raw_writew(b, __ioport_map(port, 2)); -} - -void generic_outl(u32 b, unsigned long port) -{ - __raw_writel(b, __ioport_map(port, 4)); -} - -void generic_outb_p(u8 b, unsigned long port) -{ - generic_outb(b, port); - ctrl_delay(); -} - -void generic_outw_p(u16 b, unsigned long port) -{ - generic_outw(b, port); - ctrl_delay(); -} - -void generic_outl_p(u32 b, unsigned long port) -{ - generic_outl(b, port); - ctrl_delay(); -} - -/* - * outsb/w/l all write a series of bytes/words/longs to a fixed port - * address. However as the port address doesn't change we only need to - * convert the port address to real address once. - */ -void generic_outsb(unsigned long port, const void *src, unsigned long count) -{ - __raw_writesb(__ioport_map(port, 1), src, count); - dummy_read(); -} - -void generic_outsw(unsigned long port, const void *src, unsigned long count) -{ - __raw_writesw(__ioport_map(port, 2), src, count); - dummy_read(); -} - -void generic_outsl(unsigned long port, const void *src, unsigned long count) -{ - __raw_writesl(__ioport_map(port, 4), src, count); - dummy_read(); -} - -void __iomem *generic_ioport_map(unsigned long addr, unsigned int size) -{ -#ifdef P1SEG - if (PXSEG(addr) >= P1SEG) - return (void __iomem *)addr; -#endif - - return (void __iomem *)(addr + generic_io_base); -} - -void generic_ioport_unmap(void __iomem *addr) -{ -} - -#ifndef CONFIG_GENERIC_IOMAP -void __iomem *ioport_map(unsigned long port, unsigned int nr) -{ - void __iomem *ret; - - ret = __ioport_map_trapped(port, nr); - if (ret) - return ret; - - return __ioport_map(port, nr); -} -EXPORT_SYMBOL(ioport_map); - -void ioport_unmap(void __iomem *addr) -{ - sh_mv.mv_ioport_unmap(addr); -} -EXPORT_SYMBOL(ioport_unmap); -#endif /* CONFIG_GENERIC_IOMAP */ diff --git a/arch/sh/kernel/iomap.c b/arch/sh/kernel/iomap.c new file mode 100644 index 0000000..2e8e8b9 --- /dev/null +++ b/arch/sh/kernel/iomap.c @@ -0,0 +1,165 @@ +/* + * arch/sh/kernel/iomap.c + * + * Copyright (C) 2000 Niibe Yutaka + * Copyright (C) 2005 - 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/module.h> +#include <linux/io.h> + +unsigned int ioread8(void __iomem *addr) +{ + return readb(addr); +} +EXPORT_SYMBOL(ioread8); + +unsigned int ioread16(void __iomem *addr) +{ + return readw(addr); +} +EXPORT_SYMBOL(ioread16); + +unsigned int ioread16be(void __iomem *addr) +{ + return be16_to_cpu(__raw_readw(addr)); +} +EXPORT_SYMBOL(ioread16be); + +unsigned int ioread32(void __iomem *addr) +{ + return readl(addr); +} +EXPORT_SYMBOL(ioread32); + +unsigned int ioread32be(void __iomem *addr) +{ + return be32_to_cpu(__raw_readl(addr)); +} +EXPORT_SYMBOL(ioread32be); + +void iowrite8(u8 val, void __iomem *addr) +{ + writeb(val, addr); +} +EXPORT_SYMBOL(iowrite8); + +void iowrite16(u16 val, void __iomem *addr) +{ + writew(val, addr); +} +EXPORT_SYMBOL(iowrite16); + +void iowrite16be(u16 val, void __iomem *addr) +{ + __raw_writew(cpu_to_be16(val), addr); +} +EXPORT_SYMBOL(iowrite16be); + +void iowrite32(u32 val, void __iomem *addr) +{ + writel(val, addr); +} +EXPORT_SYMBOL(iowrite32); + +void iowrite32be(u32 val, void __iomem *addr) +{ + __raw_writel(cpu_to_be32(val), addr); +} +EXPORT_SYMBOL(iowrite32be); + +/* + * These are the "repeat MMIO read/write" functions. + * Note the "__raw" accesses, since we don't want to + * convert to CPU byte order. We write in "IO byte + * order" (we also don't have IO barriers). + */ +static inline void mmio_insb(void __iomem *addr, u8 *dst, int count) +{ + while (--count >= 0) { + u8 data = __raw_readb(addr); + *dst = data; + dst++; + } +} + +static inline void mmio_insw(void __iomem *addr, u16 *dst, int count) +{ + while (--count >= 0) { + u16 data = __raw_readw(addr); + *dst = data; + dst++; + } +} + +static inline void mmio_insl(void __iomem *addr, u32 *dst, int count) +{ + while (--count >= 0) { + u32 data = __raw_readl(addr); + *dst = data; + dst++; + } +} + +static inline void mmio_outsb(void __iomem *addr, const u8 *src, int count) +{ + while (--count >= 0) { + __raw_writeb(*src, addr); + src++; + } +} + +static inline void mmio_outsw(void __iomem *addr, const u16 *src, int count) +{ + while (--count >= 0) { + __raw_writew(*src, addr); + src++; + } +} + +static inline void mmio_outsl(void __iomem *addr, const u32 *src, int count) +{ + while (--count >= 0) { + __raw_writel(*src, addr); + src++; + } +} + +void ioread8_rep(void __iomem *addr, void *dst, unsigned long count) +{ + mmio_insb(addr, dst, count); +} +EXPORT_SYMBOL(ioread8_rep); + +void ioread16_rep(void __iomem *addr, void *dst, unsigned long count) +{ + mmio_insw(addr, dst, count); +} +EXPORT_SYMBOL(ioread16_rep); + +void ioread32_rep(void __iomem *addr, void *dst, unsigned long count) +{ + mmio_insl(addr, dst, count); +} +EXPORT_SYMBOL(ioread32_rep); + +void iowrite8_rep(void __iomem *addr, const void *src, unsigned long count) +{ + mmio_outsb(addr, src, count); +} +EXPORT_SYMBOL(iowrite8_rep); + +void iowrite16_rep(void __iomem *addr, const void *src, unsigned long count) +{ + mmio_outsw(addr, src, count); +} +EXPORT_SYMBOL(iowrite16_rep); + +void iowrite32_rep(void __iomem *addr, const void *src, unsigned long count) +{ + mmio_outsl(addr, src, count); +} +EXPORT_SYMBOL(iowrite32_rep); diff --git a/arch/sh/kernel/ioport.c b/arch/sh/kernel/ioport.c new file mode 100644 index 0000000..e3ad610 --- /dev/null +++ b/arch/sh/kernel/ioport.c @@ -0,0 +1,43 @@ +/* + * arch/sh/kernel/ioport.c + * + * Copyright (C) 2000 Niibe Yutaka + * Copyright (C) 2005 - 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/module.h> +#include <linux/io.h> + +const unsigned long sh_io_port_base __read_mostly = -1; +EXPORT_SYMBOL(sh_io_port_base); + +void __iomem *__ioport_map(unsigned long addr, unsigned int size) +{ + if (sh_mv.mv_ioport_map) + return sh_mv.mv_ioport_map(addr, size); + + return (void __iomem *)(addr + sh_io_port_base); +} +EXPORT_SYMBOL(__ioport_map); + +void __iomem *ioport_map(unsigned long port, unsigned int nr) +{ + void __iomem *ret; + + ret = __ioport_map_trapped(port, nr); + if (ret) + return ret; + + return __ioport_map(port, nr); +} +EXPORT_SYMBOL(ioport_map); + +void ioport_unmap(void __iomem *addr) +{ + if (sh_mv.mv_ioport_unmap) + sh_mv.mv_ioport_unmap(addr); +} +EXPORT_SYMBOL(ioport_unmap); diff --git a/arch/sh/kernel/machvec.c b/arch/sh/kernel/machvec.c index 9f9bb63..3d722e4 100644 --- a/arch/sh/kernel/machvec.c +++ b/arch/sh/kernel/machvec.c @@ -118,28 +118,6 @@ void __init sh_mv_setup(void) sh_mv.mv_##elem = generic_##elem; \ } while (0) -#ifdef CONFIG_HAS_IOPORT - -#ifdef P2SEG - __set_io_port_base(P2SEG); -#else - __set_io_port_base(0); -#endif - - 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(ioport_map); - mv_set(ioport_unmap); - -#endif - mv_set(irq_demux); mv_set(mode_pins); mv_set(mem_init); diff --git a/arch/sh/kernel/perf_event.c b/arch/sh/kernel/perf_event.c index 5a4b334..2ee21a4 100644 --- a/arch/sh/kernel/perf_event.c +++ b/arch/sh/kernel/perf_event.c @@ -389,7 +389,7 @@ int __cpuinit register_sh_pmu(struct sh_pmu *_pmu) WARN_ON(_pmu->num_events > MAX_HWEVENTS); - perf_pmu_register(&pmu); + perf_pmu_register(&pmu, "cpu", PERF_TYPE_RAW); perf_cpu_notifier(sh_pmu_notifier); return 0; } diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index d6b018c..4f26716 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -12,7 +12,6 @@ #include <linux/initrd.h> #include <linux/bootmem.h> #include <linux/console.h> -#include <linux/seq_file.h> #include <linux/root_dev.h> #include <linux/utsname.h> #include <linux/nodemask.h> @@ -319,146 +318,3 @@ int test_mode_pin(int pin) { return sh_mv.mv_mode_pins() & pin; } - -static const char *cpu_name[] = { - [CPU_SH7201] = "SH7201", - [CPU_SH7203] = "SH7203", [CPU_SH7263] = "SH7263", - [CPU_SH7206] = "SH7206", [CPU_SH7619] = "SH7619", - [CPU_SH7705] = "SH7705", [CPU_SH7706] = "SH7706", - [CPU_SH7707] = "SH7707", [CPU_SH7708] = "SH7708", - [CPU_SH7709] = "SH7709", [CPU_SH7710] = "SH7710", - [CPU_SH7712] = "SH7712", [CPU_SH7720] = "SH7720", - [CPU_SH7721] = "SH7721", [CPU_SH7729] = "SH7729", - [CPU_SH7750] = "SH7750", [CPU_SH7750S] = "SH7750S", - [CPU_SH7750R] = "SH7750R", [CPU_SH7751] = "SH7751", - [CPU_SH7751R] = "SH7751R", [CPU_SH7760] = "SH7760", - [CPU_SH4_202] = "SH4-202", [CPU_SH4_501] = "SH4-501", - [CPU_SH7763] = "SH7763", [CPU_SH7770] = "SH7770", - [CPU_SH7780] = "SH7780", [CPU_SH7781] = "SH7781", - [CPU_SH7343] = "SH7343", [CPU_SH7785] = "SH7785", - [CPU_SH7786] = "SH7786", [CPU_SH7757] = "SH7757", - [CPU_SH7722] = "SH7722", [CPU_SHX3] = "SH-X3", - [CPU_SH5_101] = "SH5-101", [CPU_SH5_103] = "SH5-103", - [CPU_MXG] = "MX-G", [CPU_SH7723] = "SH7723", - [CPU_SH7366] = "SH7366", [CPU_SH7724] = "SH7724", - [CPU_SH_NONE] = "Unknown" -}; - -const char *get_cpu_subtype(struct sh_cpuinfo *c) -{ - return cpu_name[c->type]; -} -EXPORT_SYMBOL(get_cpu_subtype); - -#ifdef CONFIG_PROC_FS -/* Symbolic CPU flags, keep in sync with asm/cpu-features.h */ -static const char *cpu_flags[] = { - "none", "fpu", "p2flush", "mmuassoc", "dsp", "perfctr", - "ptea", "llsc", "l2", "op32", "pteaex", NULL -}; - -static void show_cpuflags(struct seq_file *m, struct sh_cpuinfo *c) -{ - unsigned long i; - - seq_printf(m, "cpu flags\t:"); - - if (!c->flags) { - seq_printf(m, " %s\n", cpu_flags[0]); - return; - } - - for (i = 0; cpu_flags[i]; i++) - if ((c->flags & (1 << i))) - seq_printf(m, " %s", cpu_flags[i+1]); - - seq_printf(m, "\n"); -} - -static void show_cacheinfo(struct seq_file *m, const char *type, - struct cache_info info) -{ - unsigned int cache_size; - - cache_size = info.ways * info.sets * info.linesz; - - seq_printf(m, "%s size\t: %2dKiB (%d-way)\n", - type, cache_size >> 10, info.ways); -} - -/* - * Get CPU information for use by the procfs. - */ -static int show_cpuinfo(struct seq_file *m, void *v) -{ - struct sh_cpuinfo *c = v; - unsigned int cpu = c - cpu_data; - - if (!cpu_online(cpu)) - return 0; - - if (cpu == 0) - seq_printf(m, "machine\t\t: %s\n", get_system_type()); - else - seq_printf(m, "\n"); - - seq_printf(m, "processor\t: %d\n", cpu); - seq_printf(m, "cpu family\t: %s\n", init_utsname()->machine); - seq_printf(m, "cpu type\t: %s\n", get_cpu_subtype(c)); - if (c->cut_major == -1) - seq_printf(m, "cut\t\t: unknown\n"); - else if (c->cut_minor == -1) - seq_printf(m, "cut\t\t: %d.x\n", c->cut_major); - else - seq_printf(m, "cut\t\t: %d.%d\n", c->cut_major, c->cut_minor); - - show_cpuflags(m, c); - - seq_printf(m, "cache type\t: "); - - /* - * Check for what type of cache we have, we support both the - * unified cache on the SH-2 and SH-3, as well as the harvard - * style cache on the SH-4. - */ - if (c->icache.flags & SH_CACHE_COMBINED) { - seq_printf(m, "unified\n"); - show_cacheinfo(m, "cache", c->icache); - } else { - seq_printf(m, "split (harvard)\n"); - show_cacheinfo(m, "icache", c->icache); - show_cacheinfo(m, "dcache", c->dcache); - } - - /* Optional secondary cache */ - if (c->flags & CPU_HAS_L2_CACHE) - show_cacheinfo(m, "scache", c->scache); - - seq_printf(m, "address sizes\t: %u bits physical\n", c->phys_bits); - - seq_printf(m, "bogomips\t: %lu.%02lu\n", - c->loops_per_jiffy/(500000/HZ), - (c->loops_per_jiffy/(5000/HZ)) % 100); - - return 0; -} - -static void *c_start(struct seq_file *m, loff_t *pos) -{ - return *pos < NR_CPUS ? cpu_data + *pos : NULL; -} -static void *c_next(struct seq_file *m, void *v, loff_t *pos) -{ - ++*pos; - return c_start(m, pos); -} -static void c_stop(struct seq_file *m, void *v) -{ -} -const struct seq_operations cpuinfo_op = { - .start = c_start, - .next = c_next, - .stop = c_stop, - .show = show_cpuinfo, -}; -#endif /* CONFIG_PROC_FS */ |