diff options
Diffstat (limited to 'arch/sh/kernel/cpu')
22 files changed, 205 insertions, 77 deletions
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 b26264d..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) { - return 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 b601fa3..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> @@ -81,8 +81,7 @@ static void shoc_clk_init(struct clk *clk) for (i = 0; i < ARRAY_SIZE(frqcr3_divisors); i++) { int divisor = frqcr3_divisors[i]; - if (clk->ops->set_rate(clk, clk->parent->rate / - divisor, 0) == 0) + if (clk->ops->set_rate(clk, clk->parent->rate / divisor) == 0) break; } 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 597c9fbe..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); |