extern void paging_init(struct meminfo *, struct machine_desc *desc);
extern void reboot_setup(char *str);
-extern int root_mountflags;
-extern void _stext, _text, _etext, __data_start, _edata, _end;
+extern void _text, _etext, __data_start, _edata, _end;
unsigned int processor_id;
EXPORT_SYMBOL(processor_id);
char elf_platform[ELF_PLATFORM_SIZE];
EXPORT_SYMBOL(elf_platform);
-unsigned long phys_initrd_start __initdata = 0;
-unsigned long phys_initrd_size __initdata = 0;
-
static struct meminfo meminfo __initdata = { 0, };
static const char *cpu_name;
static const char *machine_name;
#define lp1 io_res[1]
#define lp2 io_res[2]
-static const char *cache_types[16] = {
- "write-through",
- "write-back",
- "write-back",
- "undefined 3",
- "undefined 4",
- "undefined 5",
- "write-back",
- "write-back",
- "undefined 8",
- "undefined 9",
- "undefined 10",
- "undefined 11",
- "undefined 12",
- "undefined 13",
- "write-back",
- "undefined 15",
-};
-
-static const char *cache_clean[16] = {
- "not required",
- "read-block",
- "cp15 c7 ops",
- "undefined 3",
- "undefined 4",
- "undefined 5",
- "cp15 c7 ops",
- "cp15 c7 ops",
- "undefined 8",
- "undefined 9",
- "undefined 10",
- "undefined 11",
- "undefined 12",
- "undefined 13",
- "cp15 c7 ops",
- "undefined 15",
-};
-
-static const char *cache_lockdown[16] = {
- "not supported",
- "not supported",
- "not supported",
- "undefined 3",
- "undefined 4",
- "undefined 5",
- "format A",
- "format B",
- "undefined 8",
- "undefined 9",
- "undefined 10",
- "undefined 11",
- "undefined 12",
- "undefined 13",
- "format C",
- "undefined 15",
-};
-
static const char *proc_arch[] = {
"undefined/unknown",
"3",
"?(17)",
};
-#define CACHE_TYPE(x) (((x) >> 25) & 15)
-#define CACHE_S(x) ((x) & (1 << 24))
-#define CACHE_DSIZE(x) (((x) >> 12) & 4095) /* only if S=1 */
-#define CACHE_ISIZE(x) ((x) & 4095)
-
-#define CACHE_SIZE(y) (((y) >> 6) & 7)
-#define CACHE_ASSOC(y) (((y) >> 3) & 7)
-#define CACHE_M(y) ((y) & (1 << 2))
-#define CACHE_LINE(y) ((y) & 3)
-
-static inline void dump_cache(const char *prefix, int cpu, unsigned int cache)
-{
- unsigned int mult = 2 + (CACHE_M(cache) ? 1 : 0);
-
- printk("CPU%u: %s: %d bytes, associativity %d, %d byte lines, %d sets\n",
- cpu, prefix,
- mult << (8 + CACHE_SIZE(cache)),
- (mult << CACHE_ASSOC(cache)) >> 1,
- 8 << CACHE_LINE(cache),
- 1 << (6 + CACHE_SIZE(cache) - CACHE_ASSOC(cache) -
- CACHE_LINE(cache)));
-}
-
-static void __init dump_cpu_info(int cpu)
-{
- unsigned int info = read_cpuid_cachetype();
-
- if (info != read_cpuid_id()) {
- printk("CPU%u: D %s %s cache\n", cpu, cache_is_vivt() ? "VIVT" : "VIPT",
- cache_types[CACHE_TYPE(info)]);
- if (CACHE_S(info)) {
- dump_cache("I cache", cpu, CACHE_ISIZE(info));
- dump_cache("D cache", cpu, CACHE_DSIZE(info));
- } else {
- dump_cache("cache", cpu, CACHE_ISIZE(info));
- }
- }
-
- if (arch_is_coherent())
- printk("Cache coherency enabled\n");
-}
-
int cpu_architecture(void)
{
int cpu_arch;
/*
* cpu_init - initialise one CPU.
*
- * cpu_init dumps the cache information, initialises SMP specific
- * information, and sets up the per-CPU stacks.
+ * cpu_init sets up the per-CPU stacks.
*/
void cpu_init(void)
{
BUG();
}
- if (system_state == SYSTEM_BOOTING)
- dump_cpu_info(cpu);
-
/*
* setup stacks for re-entrant exception handlers
*/
return list;
}
-static void __init early_initrd(char **p)
-{
- unsigned long start, size;
-
- start = memparse(*p, p);
- if (**p == ',') {
- size = memparse((*p) + 1, p);
-
- phys_initrd_start = start;
- phys_initrd_size = size;
- }
-}
-__early_param("initrd=", early_initrd);
-
static void __init arm_add_memory(unsigned long start, unsigned long size)
{
struct membank *bank;
struct early_params *p;
for (p = &__early_begin; p < &__early_end; p++) {
- int len = strlen(p->arg);
+ int arglen = strlen(p->arg);
- if (memcmp(from, p->arg, len) == 0) {
+ if (memcmp(from, p->arg, arglen) == 0) {
if (to != command_line)
to -= 1;
- from += len;
+ from += arglen;
p->fn(&from);
while (*from != ' ' && *from != '\0')
__tagtable(ATAG_RAMDISK, parse_tag_ramdisk);
-static int __init parse_tag_initrd(const struct tag *tag)
-{
- printk(KERN_WARNING "ATAG_INITRD is deprecated; "
- "please update your bootloader.\n");
- phys_initrd_start = __virt_to_phys(tag->u.initrd.start);
- phys_initrd_size = tag->u.initrd.size;
- return 0;
-}
-
-__tagtable(ATAG_INITRD, parse_tag_initrd);
-
-static int __init parse_tag_initrd2(const struct tag *tag)
-{
- phys_initrd_start = tag->u.initrd.start;
- phys_initrd_size = tag->u.initrd.size;
- return 0;
-}
-
-__tagtable(ATAG_INITRD2, parse_tag_initrd2);
-
static int __init parse_tag_serialnr(const struct tag *tag)
{
system_serial_low = tag->u.serialnr.low;
NULL
};
-static void
-c_show_cache(struct seq_file *m, const char *type, unsigned int cache)
-{
- unsigned int mult = 2 + (CACHE_M(cache) ? 1 : 0);
-
- seq_printf(m, "%s size\t\t: %d\n"
- "%s assoc\t\t: %d\n"
- "%s line length\t: %d\n"
- "%s sets\t\t: %d\n",
- type, mult << (8 + CACHE_SIZE(cache)),
- type, (mult << CACHE_ASSOC(cache)) >> 1,
- type, 8 << CACHE_LINE(cache),
- type, 1 << (6 + CACHE_SIZE(cache) - CACHE_ASSOC(cache) -
- CACHE_LINE(cache)));
-}
-
static int c_show(struct seq_file *m, void *v)
{
int i;
}
seq_printf(m, "CPU revision\t: %d\n", read_cpuid_id() & 15);
- {
- unsigned int cache_info = read_cpuid_cachetype();
- if (cache_info != read_cpuid_id()) {
- seq_printf(m, "Cache type\t: %s\n"
- "Cache clean\t: %s\n"
- "Cache lockdown\t: %s\n"
- "Cache format\t: %s\n",
- cache_types[CACHE_TYPE(cache_info)],
- cache_clean[CACHE_TYPE(cache_info)],
- cache_lockdown[CACHE_TYPE(cache_info)],
- CACHE_S(cache_info) ? "Harvard" : "Unified");
-
- if (CACHE_S(cache_info)) {
- c_show_cache(m, "I", CACHE_ISIZE(cache_info));
- c_show_cache(m, "D", CACHE_DSIZE(cache_info));
- } else {
- c_show_cache(m, "Cache", CACHE_ISIZE(cache_info));
- }
- }
- }
-
seq_puts(m, "\n");
seq_printf(m, "Hardware\t: %s\n", machine_name);