diff options
Diffstat (limited to 'src/cpu/via/model_centaur')
| -rw-r--r-- | src/cpu/via/model_centaur/Config.lb | 9 | ||||
| -rw-r--r-- | src/cpu/via/model_centaur/model_centaur_init.c | 56 |
2 files changed, 65 insertions, 0 deletions
diff --git a/src/cpu/via/model_centaur/Config.lb b/src/cpu/via/model_centaur/Config.lb new file mode 100644 index 0000000000..bd6673360f --- /dev/null +++ b/src/cpu/via/model_centaur/Config.lb @@ -0,0 +1,9 @@ +dir /cpu/x86/tsc +dir /cpu/x86/mtrr +dir /cpu/x86/fpu +dir /cpu/x86/mmx +dir /cpu/x86/sse +dir /cpu/x86/lapic +dir /cpu/x86/cache +dir /cpu/intel/microcode +driver model_centaur_init.o diff --git a/src/cpu/via/model_centaur/model_centaur_init.c b/src/cpu/via/model_centaur/model_centaur_init.c new file mode 100644 index 0000000000..af2b7464b1 --- /dev/null +++ b/src/cpu/via/model_centaur/model_centaur_init.c @@ -0,0 +1,56 @@ +#include <console/console.h> +#include <device/device.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/x86/cache.h> +#include <cpu/x86/mtrr.h> + +static uint32_t microcode_updates[] = { + /* WARNING - Intel has a new data structure that has variable length + * microcode update lengths. They are encoded in int 8 and 9. A + * dummy header of nulls must terminate the list. + */ + + /* Dummy terminator */ + 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, +}; + + +static void model_centaur_init(device_t dev) +{ + /* Turn on caching if we haven't already */ + x86_enable_cache(); + x86_mtrr_check(); + + /* Update the microcode */ + intel_update_microcode(microcode_updates); + + /* Enable the local cpu apics */ + setup_lapic(); +}; + +static struct device_operations cpu_dev_ops = { + .init = model_centaur_init, +}; + +#warning "FIXME - need correct cpu id here for VIA C3" +static struct cpu_device_id cpu_table[] = { + { X86_VENDOR_CENTAUR, 0x0670 }, // VIA C3 Samual 2 + { X86_VENDOR_CENTAUR, 0x0678 }, // VIA C3 Ezra + { X86_VENDOR_CENTAUR, 0x0680 }, // VIA C3 Ezra-T + { 0, 0 }, +}; + +static struct cpu_driver driver __cpu_driver = { + .ops = &cpu_dev_ops, + .id_table = cpu_table, +}; |