Two hda_verb.h files: Add more comments.

[coreboot.git] / src / arch / i386 / lib / cpu.c

diff --git a/src/arch/i386/lib/cpu.c b/src/arch/i386/lib/cpu.c
index 9f72789c7c0b2d903711d52475aa0367ac6d3ad1..3732ae296e96d7f0573b572d497b0640d27c496c 100644 (file)
--- a/src/arch/i386/lib/cpu.c
+++ b/src/arch/i386/lib/cpu.c
@@ -43,7 +43,7 @@ static int have_cpuid_p(void)
  * by the fact that they preserve the flags across the division of 5/2.
  * PII and PPro exhibit this behavior too, but they have cpuid available.
  */
- 
+
 /*
  * Perform the Cyrix 5/2 test. A Cyrix won't change
  * the flags, while other 486 chips will.
@@ -68,11 +68,11 @@ static inline int test_cyrix_52div(void)
  *     Detect a NexGen CPU running without BIOS hypercode new enough
  *     to have CPUID. (Thanks to Herbert Oppmann)
  */
- 
+
 static int deep_magic_nexgen_probe(void)
 {
        int ret;
-       
+
        __asm__ __volatile__ (
                "       movw    $0x5555, %%ax\n"
                "       xorw    %%dx,%%dx\n"
@@ -81,7 +81,7 @@ static int deep_magic_nexgen_probe(void)
                "       movl    $0, %%eax\n"
                "       jnz     1f\n"
                "       movl    $1, %%eax\n"
-               "1:\n" 
+               "1:\n"
                : "=a" (ret) : : "cx", "dx" );
        return  ret;
 }
@@ -95,7 +95,7 @@ static struct {
 } x86_vendors[] = {
        { X86_VENDOR_INTEL,     "GenuineIntel", },
        { X86_VENDOR_CYRIX,     "CyrixInstead", },
-       { X86_VENDOR_AMD,       "AuthenticAMD", },       
+       { X86_VENDOR_AMD,       "AuthenticAMD", },
        { X86_VENDOR_UMC,       "UMC UMC UMC ", },
        { X86_VENDOR_NEXGEN,    "NexGenDriven", },
        { X86_VENDOR_CENTAUR,   "CentaurHauls", },
@@ -124,7 +124,7 @@ static const char *cpu_vendor_name(int vendor)
        const char *name;
        name = "<invalid cpu vendor>";
        if ((vendor < (ARRAY_SIZE(x86_vendor_name))) &&
-               (x86_vendor_name[vendor] != 0)) 
+               (x86_vendor_name[vendor] != 0))
        {
                name = x86_vendor_name[vendor];
        }
@@ -173,7 +173,7 @@ static void identify_cpu(struct device *cpu)
                vendor_name[10] = (result.ecx >> 16) & 0xff;
                vendor_name[11] = (result.ecx >> 24) & 0xff;
                vendor_name[12] = '\0';
-               
+
                /* Intel-defined flags: level 0x00000001 */
                if (cpuid_level >= 0x00000001) {
                        cpu->device = cpuid_eax(0x00000001);
@@ -200,7 +200,7 @@ static void set_cpu_ops(struct device *cpu)
                struct cpu_device_id *id;
                for(id = driver->id_table; id->vendor != X86_VENDOR_INVALID; id++) {
                        if ((cpu->vendor == id->vendor) &&
-                               (cpu->device == id->device)) 
+                               (cpu->device == id->device))
                        {
                                goto found;
                        }
@@ -221,7 +221,7 @@ void cpu_initialize(void)
        struct device *cpu;
        struct cpu_info *info;
        struct cpuinfo_x86 c;
-       
+
        info = cpu_info();
 
        printk(BIOS_INFO, "Initializing CPU #%ld\n", info->index);
@@ -238,12 +238,13 @@ void cpu_initialize(void)
 
        get_fms(&c, cpu->device);
 
-       printk(BIOS_DEBUG, "CPU: family %02x, model %02x, stepping %02x\n", c.x86, c.x86_model, c.x86_mask);
-       
+       printk(BIOS_DEBUG, "CPU: family %02x, model %02x, stepping %02x\n",
+               c.x86, c.x86_model, c.x86_mask);
+
        /* Lookup the cpu's operations */
        set_cpu_ops(cpu);
 
-       if(!cpu->ops) { 
+       if(!cpu->ops) {
                /* mask out the stepping and try again */
                cpu->device -= c.x86_mask;
                set_cpu_ops(cpu);
@@ -251,7 +252,7 @@ void cpu_initialize(void)
                if(!cpu->ops) die("Unknown cpu");
                printk(BIOS_DEBUG, "Using generic cpu ops (good)\n");
        }
-       
+
 
        /* Initialize the cpu */
        if (cpu->ops && cpu->ops->init) {