diff options
Diffstat (limited to 'src/cpu/intel/model_6ex/model_6ex_init.c')
-rw-r--r-- | src/cpu/intel/model_6ex/model_6ex_init.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/cpu/intel/model_6ex/model_6ex_init.c b/src/cpu/intel/model_6ex/model_6ex_init.c new file mode 100644 index 0000000000..169b908901 --- /dev/null +++ b/src/cpu/intel/model_6ex/model_6ex_init.c @@ -0,0 +1,94 @@ +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <string.h> +#include <cpu/cpu.h> +#include <cpu/x86/mtrr.h> +#include <cpu/x86/msr.h> +#include <cpu/x86/lapic.h> +#include <cpu/intel/microcode.h> +#include <cpu/intel/hyperthreading.h> +#include <cpu/x86/cache.h> +#include <cpu/x86/mtrr.h> + +static const uint32_t microcode_updates[] = { + #include "microcode_m206e839.h" + /* Dummy terminator */ + 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, +}; + +static inline void strcpy(char *dst, char *src) +{ + while (*src) *dst++ = *src++; +} + +static void fill_processor_name(char *processor_name) +{ + struct cpuid_result regs; + char temp_processor_name[49]; + char *processor_name_start; + unsigned int *name_as_ints = (unsigned int *)temp_processor_name; + int i; + + for (i=0; i<3; i++) { + regs = cpuid(0x80000002 + i); + name_as_ints[i*4 + 0] = regs.eax; + name_as_ints[i*4 + 1] = regs.ebx; + name_as_ints[i*4 + 2] = regs.ecx; + name_as_ints[i*4 + 3] = regs.edx; + } + + temp_processor_name[48] = 0; + + /* Skip leading spaces */ + processor_name_start = temp_processor_name; + while (*processor_name_start == ' ') + processor_name_start++; + + memset(processor_name, 0, 49); + strcpy(processor_name, processor_name_start); +} + +static void model_6ex_init(device_t cpu) +{ + char processor_name[49]; + + /* Turn on caching if we haven't already */ + x86_enable_cache(); + + /* Update the microcode */ + intel_update_microcode(microcode_updates); + + /* Print processor name */ + fill_processor_name(processor_name); + printk_info("CPU: %s.\n", processor_name); + + /* Setup MTRRs */ + x86_setup_mtrrs(36); + x86_mtrr_check(); + + /* Enable the local cpu apics */ + setup_lapic(); + + /* Start up my cpu siblings */ + intel_sibling_init(cpu); +} + +static struct device_operations cpu_dev_ops = { + .init = model_6ex_init, +}; + +static struct cpu_device_id cpu_table[] = { + { X86_VENDOR_INTEL, 0x06e0 }, /* Intel Core Solo/Core Duo */ + { X86_VENDOR_INTEL, 0x06e8 }, /* Intel Core Solo/Core Duo */ + { 0, 0 }, +}; + +static const struct cpu_driver driver __cpu_driver = { + .ops = &cpu_dev_ops, + .id_table = cpu_table, +}; + |