diff options
Diffstat (limited to 'src/cpu/amd/model_10xxx/update_microcode.c')
| -rw-r--r-- | src/cpu/amd/model_10xxx/update_microcode.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/cpu/amd/model_10xxx/update_microcode.c b/src/cpu/amd/model_10xxx/update_microcode.c new file mode 100644 index 0000000000..285abfadf6 --- /dev/null +++ b/src/cpu/amd/model_10xxx/update_microcode.c @@ -0,0 +1,90 @@ +/* + * This file is part of the LinuxBIOS project. + * + * Copyright (C) 2007 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + + +#ifndef __ROMCC__ +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <string.h> + +#include <cpu/amd/microcode.h> +#endif + +static const u8 microcode_updates[] __attribute__ ((aligned(16))) = { + +#ifdef __ROMCC__ + + // Barcelona revAx +// #include "mc_patch_01000020.h" + + // Barcelona revBx + #include "mc_patch_01000033.h" + + // Barcelona rev Cx?? +// #include "mc_patch_01000035.h" + +#endif + /* Dummy terminator */ + 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, +}; + +static u32 get_equivalent_processor_rev_id(u32 orig_id) { + static unsigned id_mapping_table[] = { + 0x100f00, 0x1000, + 0x100f01, 0x1000, + 0x100f02, 0x1000, + 0x100f20, 0x1020, + 0x100f21, 0x1020, + 0x100f2A, 0x1020, + 0x100f22, 0x1022, + }; + + u32 new_id; + int i; + + new_id = 0; + + for (i = 0; i < sizeof(id_mapping_table); i += 2 ) { + if(id_mapping_table[i]==orig_id) { + new_id = id_mapping_table[i + 1]; + break; + } + } + + return new_id; + +} + +void update_microcode(u32 cpu_deviceid) +{ + u32 equivalent_processor_rev_id; + + /* Update the microcode */ + equivalent_processor_rev_id = get_equivalent_processor_rev_id(cpu_deviceid ); + if (equivalent_processor_rev_id != 0) { + amd_update_microcode((void *) microcode_updates, equivalent_processor_rev_id); + } else { + printk_debug("microcode: rev id not found. Skipping microcode patch!\n"); + } + +} |