| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/bitops.h> |
| #include <asm/processor.h> |
| |
| #include "cpu.h" |
| |
| static void __init init_rise(struct cpuinfo_x86 *c) |
| { |
| printk("CPU: Rise iDragon"); |
| if (c->x86_model > 2) |
| printk(" II"); |
| printk("\n"); |
| |
| /* Unhide possibly hidden capability flags |
| The mp6 iDragon family don't have MSRs. |
| We switch on extra features with this cpuid weirdness: */ |
| __asm__ ( |
| "movl $0x6363452a, %%eax\n\t" |
| "movl $0x3231206c, %%ecx\n\t" |
| "movl $0x2a32313a, %%edx\n\t" |
| "cpuid\n\t" |
| "movl $0x63634523, %%eax\n\t" |
| "movl $0x32315f6c, %%ecx\n\t" |
| "movl $0x2333313a, %%edx\n\t" |
| "cpuid\n\t" : : : "eax", "ebx", "ecx", "edx" |
| ); |
| set_bit(X86_FEATURE_CX8, c->x86_capability); |
| } |
| |
| static struct cpu_dev rise_cpu_dev __initdata = { |
| .c_vendor = "Rise", |
| .c_ident = { "RiseRiseRise" }, |
| .c_models = { |
| { .vendor = X86_VENDOR_RISE, .family = 5, .model_names = |
| { |
| [0] = "iDragon", |
| [2] = "iDragon", |
| [8] = "iDragon II", |
| [9] = "iDragon II" |
| } |
| }, |
| }, |
| .c_init = init_rise, |
| }; |
| |
| int __init rise_init_cpu(void) |
| { |
| cpu_devs[X86_VENDOR_RISE] = &rise_cpu_dev; |
| return 0; |
| } |
| |
| //early_arch_initcall(rise_init_cpu); |