[ARM] cputype: separate definitions, use them

Add asm/cputype.h, moving functions and definitions from asm/system.h
there.  Convert all users of 'processor_id' to the more efficient
read_cpuid_id() function.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 23 insertions, 22 deletions

diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index 2ca7038b67a7..fb04703f2a8c 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -26,6 +26,7 @@
 #include <linux/fs.h>
 
 #include <asm/cpu.h>
+#include <asm/cputype.h>
 #include <asm/elf.h>
 #include <asm/procinfo.h>
 #include <asm/setup.h>
@@ -280,9 +281,9 @@ static inline void dump_cache(const char *prefix, int cpu, unsigned int cache)
 
 static void __init dump_cpu_info(int cpu)
 {
-        unsigned int info = read_cpuid(CPUID_CACHETYPE);
+        unsigned int info = read_cpuid_cachetype();
 
-        if (info != processor_id) {
+        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)) {
@@ -301,15 +302,15 @@ int cpu_architecture(void)
 {
         int cpu_arch;
 
-        if ((processor_id & 0x0008f000) == 0) {
+        if ((read_cpuid_id() & 0x0008f000) == 0) {
                 cpu_arch = CPU_ARCH_UNKNOWN;
-        } else if ((processor_id & 0x0008f000) == 0x00007000) {
-                cpu_arch = (processor_id & (1 << 23)) ? CPU_ARCH_ARMv4T : CPU_ARCH_ARMv3;
-        } else if ((processor_id & 0x00080000) == 0x00000000) {
-                cpu_arch = (processor_id >> 16) & 7;
+        } else if ((read_cpuid_id() & 0x0008f000) == 0x00007000) {
+                cpu_arch = (read_cpuid_id() & (1 << 23)) ? CPU_ARCH_ARMv4T : CPU_ARCH_ARMv3;
+        } else if ((read_cpuid_id() & 0x00080000) == 0x00000000) {
+                cpu_arch = (read_cpuid_id() >> 16) & 7;
                 if (cpu_arch)
                         cpu_arch += CPU_ARCH_ARMv3;
-        } else if ((processor_id & 0x000f0000) == 0x000f0000) {
+        } else if ((read_cpuid_id() & 0x000f0000) == 0x000f0000) {
                 unsigned int mmfr0;
 
                 /* Revised CPUID format. Read the Memory Model Feature
@@ -346,10 +347,10 @@ static void __init setup_processor(void)
          * types.  The linker builds this table for us from the
          * entries in arch/arm/mm/proc-*.S
          */
-        list = lookup_processor_type(processor_id);
+        list = lookup_processor_type(read_cpuid_id());
         if (!list) {
                 printk("CPU configuration botched (ID %08x), unable "
-                       "to continue.\n", processor_id);
+                       "to continue.\n", read_cpuid_id());
                 while (1);
         }
 
@@ -369,7 +370,7 @@ static void __init setup_processor(void)
 #endif
 
         printk("CPU: %s [%08x] revision %d (ARMv%s), cr=%08lx\n",
-               cpu_name, processor_id, (int)processor_id & 15,
+               cpu_name, read_cpuid_id(), read_cpuid_id() & 15,
                proc_arch[cpu_architecture()], cr_alignment);
 
         sprintf(init_utsname()->machine, "%s%c", list->arch_name, ENDIANNESS);
@@ -922,7 +923,7 @@ static int c_show(struct seq_file *m, void *v)
         int i;
 
         seq_printf(m, "Processor\t: %s rev %d (%s)\n",
-                   cpu_name, (int)processor_id & 15, elf_platform);
+                   cpu_name, read_cpuid_id() & 15, elf_platform);
 
 #if defined(CONFIG_SMP)
         for_each_online_cpu(i) {
@@ -949,30 +950,30 @@ static int c_show(struct seq_file *m, void *v)
                 if (elf_hwcap & (1 << i))
                         seq_printf(m, "%s ", hwcap_str[i]);
 
-        seq_printf(m, "\nCPU implementer\t: 0x%02x\n", processor_id >> 24);
+        seq_printf(m, "\nCPU implementer\t: 0x%02x\n", read_cpuid_id() >> 24);
         seq_printf(m, "CPU architecture: %s\n", proc_arch[cpu_architecture()]);
 
-        if ((processor_id & 0x0008f000) == 0x00000000) {
+        if ((read_cpuid_id() & 0x0008f000) == 0x00000000) {
                 /* pre-ARM7 */
-                seq_printf(m, "CPU part\t: %07x\n", processor_id >> 4);
+                seq_printf(m, "CPU part\t: %07x\n", read_cpuid_id() >> 4);
         } else {
-                if ((processor_id & 0x0008f000) == 0x00007000) {
+                if ((read_cpuid_id() & 0x0008f000) == 0x00007000) {
                         /* ARM7 */
                         seq_printf(m, "CPU variant\t: 0x%02x\n",
-                                   (processor_id >> 16) & 127);
+                                   (read_cpuid_id() >> 16) & 127);
                 } else {
                         /* post-ARM7 */
                         seq_printf(m, "CPU variant\t: 0x%x\n",
-                                   (processor_id >> 20) & 15);
+                                   (read_cpuid_id() >> 20) & 15);
                 }
                 seq_printf(m, "CPU part\t: 0x%03x\n",
-                           (processor_id >> 4) & 0xfff);
+                           (read_cpuid_id() >> 4) & 0xfff);
         }
-        seq_printf(m, "CPU revision\t: %d\n", processor_id & 15);
+        seq_printf(m, "CPU revision\t: %d\n", read_cpuid_id() & 15);
 
         {
-                unsigned int cache_info = read_cpuid(CPUID_CACHETYPE);
-                if (cache_info != processor_id) {
+                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"