[PATCH] sh: Cleanup struct sh_cpuinfo for clock framework changes
authorPaul Mundt <lethal@linux-sh.org>
Wed, 1 Feb 2006 11:06:02 +0000 (03:06 -0800)
committerLinus Torvalds <torvalds@g5.osdl.org>
Wed, 1 Feb 2006 16:53:19 +0000 (08:53 -0800)
Now that the clock framework changes have been integrated, the manual clock
accounting that was done in sh_cpuinfo can be dropped.

Also correct a bug with running past the end of the CPU flags when there's a
mismatch between the added flags and printed ones.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
arch/sh/kernel/setup.c
include/asm-sh/processor.h

index 036050b377cdd6458ae1cf1858bfb445a4aad4aa..0f1fbe72cce467f2829d0ec0f2eeebbf975662c1 100644 (file)
 #include <linux/cpu.h>
 #include <asm/uaccess.h>
 #include <asm/io.h>
-#include <asm/io_generic.h>
 #include <asm/sections.h>
 #include <asm/irq.h>
 #include <asm/setup.h>
+#include <asm/clock.h>
 
 #ifdef CONFIG_SH_KGDB
 #include <asm/kgdb.h>
@@ -41,7 +41,7 @@ extern void * __rd_start, * __rd_end;
  * This value will be used at the very early stage of serial setup.
  * The bigger value means no problem.
  */
-struct sh_cpuinfo boot_cpu_data = { CPU_SH_NONE, 0, 10000000, };
+struct sh_cpuinfo boot_cpu_data = { CPU_SH_NONE, 10000000, };
 struct screen_info screen_info;
 
 #if defined(CONFIG_SH_UNKNOWN)
@@ -273,10 +273,10 @@ void __init setup_arch(char **cmdline_p)
        init_mm.end_data = (unsigned long) _edata;
        init_mm.brk = (unsigned long) _end;
 
-       code_resource.start = virt_to_bus(_text);
-       code_resource.end = virt_to_bus(_etext)-1;
-       data_resource.start = virt_to_bus(_etext);
-       data_resource.end = virt_to_bus(_edata)-1;
+       code_resource.start = (unsigned long)virt_to_phys(_text);
+       code_resource.end = (unsigned long)virt_to_phys(_etext)-1;
+       data_resource.start = (unsigned long)virt_to_phys(_etext);
+       data_resource.end = (unsigned long)virt_to_phys(_edata)-1;
 
        sh_mv_setup(cmdline_p);
 
@@ -435,6 +435,9 @@ static const char *cpu_name[] = {
        [CPU_ST40GX1]   = "ST40GX1",
        [CPU_SH4_202]   = "SH4-202",
        [CPU_SH4_501]   = "SH4-501",
+       [CPU_SH7770]    = "SH7770",
+       [CPU_SH7780]    = "SH7780",
+       [CPU_SH7781]    = "SH7781",
        [CPU_SH_NONE]   = "Unknown"
 };
 
@@ -445,7 +448,7 @@ const char *get_cpu_subtype(void)
 
 #ifdef CONFIG_PROC_FS
 static const char *cpu_flags[] = {
-       "none", "fpu", "p2flush", "mmuassoc", "dsp", "perfctr",
+       "none", "fpu", "p2flush", "mmuassoc", "dsp", "perfctr", "ptea", NULL
 };
 
 static void show_cpuflags(struct seq_file *m)
@@ -459,7 +462,7 @@ static void show_cpuflags(struct seq_file *m)
                return;
        }
 
-       for (i = 0; i < cpu_data->flags; i++)
+       for (i = 0; cpu_flags[i]; i++)
                if ((cpu_data->flags & (1 << i)))
                        seq_printf(m, " %s", cpu_flags[i+1]);
 
@@ -472,7 +475,8 @@ static void show_cacheinfo(struct seq_file *m, const char *type, struct cache_in
 
        cache_size = info.ways * info.sets * info.linesz;
 
-       seq_printf(m, "%s size\t: %dKiB\n", type, cache_size >> 10);
+       seq_printf(m, "%s size\t: %2dKiB (%d-way)\n",
+                  type, cache_size >> 10, info.ways);
 }
 
 /*
@@ -511,21 +515,9 @@ static int show_cpuinfo(struct seq_file *m, void *v)
                     boot_cpu_data.loops_per_jiffy/(500000/HZ),
                     (boot_cpu_data.loops_per_jiffy/(5000/HZ)) % 100);
 
-#define PRINT_CLOCK(name, value) \
-       seq_printf(m, name " clock\t: %d.%02dMHz\n", \
-                    ((value) / 1000000), ((value) % 1000000)/10000)
-       
-       PRINT_CLOCK("cpu", boot_cpu_data.cpu_clock);
-       PRINT_CLOCK("bus", boot_cpu_data.bus_clock);
-#ifdef CONFIG_CPU_SUBTYPE_ST40STB1
-       PRINT_CLOCK("memory", boot_cpu_data.memory_clock);
-#endif
-       PRINT_CLOCK("module", boot_cpu_data.module_clock);
-
-       return 0;
+       return show_clocks(m);
 }
 
-
 static void *c_start(struct seq_file *m, loff_t *pos)
 {
        return *pos < NR_CPUS ? cpu_data + *pos : NULL;
@@ -596,7 +588,7 @@ static int __init kgdb_parse_options(char *options)
                options += map->namelen + 1;
 
                options = (*options == ',') ? options+1 : options;
-               
+
                /* Read optional parameters (baud/parity/bits) */
                baud = simple_strtoul(options, &options, 10);
                if (baud != 0) {
index c4904797d6dfe19bbb0a524384fbccece72d2bc1..fa5bd2d8803e4d612abe73ba0c0de9011aa895cc 100644 (file)
@@ -12,7 +12,6 @@
 #include <asm/page.h>
 #include <asm/types.h>
 #include <asm/cache.h>
-#include <linux/threads.h>
 #include <asm/ptrace.h>
 
 /*
@@ -30,7 +29,7 @@
  *  CPU type and hardware bug flags. Kept separately for each CPU.
  *
  *  Each one of these also needs a CONFIG_CPU_SUBTYPE_xxx entry
- *  in arch/sh/Kconfig, as well as an entry in arch/sh/kernel/setup.c
+ *  in arch/sh/mm/Kconfig, as well as an entry in arch/sh/kernel/setup.c
  *  for parsing the subtype in get_cpu_subtype().
  */
 enum cpu_type {
@@ -44,7 +43,7 @@ enum cpu_type {
        /* SH-4 types */
        CPU_SH7750, CPU_SH7750S, CPU_SH7750R, CPU_SH7751, CPU_SH7751R,
        CPU_SH7760, CPU_ST40RA, CPU_ST40GX1, CPU_SH4_202, CPU_SH4_501,
-       CPU_SH73180,
+       CPU_SH73180, CPU_SH7770, CPU_SH7780, CPU_SH7781,
 
        /* Unknown subtype */
        CPU_SH_NONE
@@ -52,14 +51,8 @@ enum cpu_type {
 
 struct sh_cpuinfo {
        enum cpu_type type;
-       char    hard_math;
        unsigned long loops_per_jiffy;
 
-       unsigned int cpu_clock, master_clock, bus_clock, module_clock;
-#ifdef CONFIG_CPU_SUBTYPE_ST40STB1
-       unsigned int memory_clock;
-#endif
-
        struct cache_info icache;
        struct cache_info dcache;
 
@@ -131,7 +124,7 @@ union sh_fpu_union {
        struct sh_fpu_soft_struct soft;
 };
 
-/* 
+/*
  * Processor flags
  */
 
@@ -140,6 +133,7 @@ union sh_fpu_union {
 #define CPU_HAS_MMU_PAGE_ASSOC 0x0004  /* SH3: TLB way selection bit support */
 #define CPU_HAS_DSP            0x0008  /* SH-DSP: DSP support */
 #define CPU_HAS_PERF_COUNTER   0x0010  /* Hardware performance counters */
+#define CPU_HAS_PTEA           0x0020  /* PTEA register */
 
 struct thread_struct {
        unsigned long sp;
@@ -160,10 +154,10 @@ extern int ubc_usercnt;
 #define INIT_THREAD  {                                         \
        sizeof(init_stack) + (long) &init_stack, /* sp */       \
        0,                                       /* pc */       \
-       0, 0,                                                   \
-       0,                                                      \
-       0,                                                      \
-       {{{0,}},}                               /* fpu state */ \
+       0, 0,                                                   \
+       0,                                                      \
+       0,                                                      \
+       {{{0,}},}                               /* fpu state */ \
 }
 
 /*
@@ -171,7 +165,7 @@ extern int ubc_usercnt;
  */
 #define start_thread(regs, new_pc, new_sp)      \
        set_fs(USER_DS);                         \
-       regs->pr = 0;                            \
+       regs->pr = 0;                            \
        regs->sr = SR_FD;       /* User mode. */ \
        regs->pc = new_pc;                       \
        regs->regs[15] = new_sp
@@ -239,16 +233,16 @@ extern void save_fpu(struct task_struct *__tsk, struct pt_regs *regs);
 #define save_fpu(tsk)  do { } while (0)
 #endif
 
-#define unlazy_fpu(tsk, regs) do {                             \
+#define unlazy_fpu(tsk, regs) do {                     \
        if (test_tsk_thread_flag(tsk, TIF_USEDFPU)) {   \
-               save_fpu(tsk, regs);                            \
+               save_fpu(tsk, regs);                    \
        }                                               \
 } while (0)
 
-#define clear_fpu(tsk, regs) do {                                      \
-       if (test_tsk_thread_flag(tsk, TIF_USEDFPU)) {           \
-               clear_tsk_thread_flag(tsk, TIF_USEDFPU);        \
-               release_fpu(regs);                                      \
+#define clear_fpu(tsk, regs) do {                              \
+       if (test_tsk_thread_flag(tsk, TIF_USEDFPU)) {           \
+               clear_tsk_thread_flag(tsk, TIF_USEDFPU);        \
+               release_fpu(regs);                              \
        }                                                       \
 } while (0)