summaryrefslogtreecommitdiff
path: root/src/cpu/amd/microcode
diff options
context:
space:
mode:
authorMarc Jones <marc.jones@amd.com>2007-12-19 00:47:09 +0000
committerMarc Jones <marc.jones@amd.com>2007-12-19 00:47:09 +0000
commit2006b38fed2f5f3680de1736f7fc878823f2f93b (patch)
tree728341d3e46876132b5d64d71757ca624ff2e04a /src/cpu/amd/microcode
parent244dd82fd693aafb0e595941d91b775edebd8fc6 (diff)
Whitespace and other code cleanup in peperation for AMD Barcelona support.
Signed-off-by: Marc Jones <marc.jones@amd.com> Reviewed-by: Jordan Crouse <jordan.crouse@amd.com> Acked-by: Myles Watson <myles@pel.cs.byu.edu> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3013 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/cpu/amd/microcode')
-rw-r--r--src/cpu/amd/microcode/microcode.c147
1 files changed, 63 insertions, 84 deletions
diff --git a/src/cpu/amd/microcode/microcode.c b/src/cpu/amd/microcode/microcode.c
index c05268e845..3f0105cf92 100644
--- a/src/cpu/amd/microcode/microcode.c
+++ b/src/cpu/amd/microcode/microcode.c
@@ -1,43 +1,22 @@
-/*============================================================================
-Copyright 2005 ADVANCED MICRO DEVICES, INC. All Rights Reserved.
-This software and any related documentation (the "Materials") are the
-confidential proprietary information of AMD. Unless otherwise provided in a
-software agreement specifically licensing the Materials, the Materials are
-provided in confidence and may not be distributed, modified, or reproduced in
-whole or in part by any means.
-LIMITATION OF LIABILITY: THE MATERIALS ARE PROVIDED "AS IS" WITHOUT ANY
-EXPRESS OR IMPLIED WARRANTY OF ANY KIND, INCLUDING BUT NOT LIMITED TO
-WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT, TITLE, FITNESS FOR ANY
-PARTICULAR PURPOSE, OR WARRANTIES ARISING FROM CONDUCT, COURSE OF DEALING, OR
-USAGE OF TRADE. IN NO EVENT SHALL AMD OR ITS LICENSORS BE LIABLE FOR ANY
-DAMAGES WHATSOEVER (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS,
-BUSINESS INTERRUPTION, OR LOSS OF INFORMATION) ARISING OUT OF THE USE OF OR
-INABILITY TO USE THE MATERIALS, EVEN IF AMD HAS BEEN ADVISED OF THE
-POSSIBILITY OF SUCH DAMAGES. BECAUSE SOME JURISDICTIONS PROHIBIT THE EXCLUSION
-OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, THE ABOVE
-LIMITATION MAY NOT APPLY TO YOU.
-AMD does not assume any responsibility for any errors which may appear in the
-Materials nor any responsibility to support or update the Materials. AMD
-retains the right to modify the Materials at any time, without notice, and is
-not obligated to provide such modified Materials to you.
-NO SUPPORT OBLIGATION: AMD is not obligated to furnish, support, or make any
-further information, software, technical information, know-how, or show-how
-available to you.
-U.S. GOVERNMENT RESTRICTED RIGHTS: The Materials are provided with "RESTRICTED
-RIGHTS." Use, duplication, or disclosure by the Government is subject to the
-restrictions as set forth in FAR 52.227-14 and DFAR 252.227-7013, et seq., or
-its successor. Use of the Materials by the Government constitutes
-acknowledgement of AMD's proprietary rights in them.
-============================================================================*/
-//@DOC
-// microcode.c
/*
-$1.0$
-*/
-// Description: microcode patch support for k8
-// by yhlu
-//
-//============================================================================
+ * 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
+ */
+
#include <stdint.h>
#include <console/console.h>
#include <cpu/cpu.h>
@@ -46,64 +25,64 @@ $1.0$
#include <cpu/x86/cache.h>
struct microcode {
- uint32_t date_code;
- uint32_t patch_id;
-
- uint16_t m_patch_data_id;
- uint8_t m_patch_data_len;
- uint8_t init_flag;
-
- uint32_t m_patch_data_cksum;
-
- uint32_t nb_dev_id;
- uint32_t ht_io_hub_dev_id;
-
- uint16_t processor_rev_id;
- uint8_t ht_io_hub_rev_id;
- uint8_t nb_rev_id;
-
- uint8_t bios_api_rev;
- uint8_t resv1[3];
-
- uint32_t match_reg[8];
-
- uint8_t m_patch_data[896];
- uint8_t resv2[896];
-
- uint8_t x86_code_present;
- uint8_t x86_code_entry[191];
+ u32 date_code;
+ u32 patch_id;
+
+ u16 m_patch_data_id;
+ u8 m_patch_data_len;
+ u8 init_flag;
+
+ u32 m_patch_data_cksum;
+
+ u32 nb_dev_id;
+ u32 ht_io_hub_dev_id;
+
+ u16 processor_rev_id;
+ u8 ht_io_hub_rev_id;
+ u8 nb_rev_id;
+
+ u8 bios_api_rev;
+ u8 resv1[3];
+
+ u32 match_reg[8];
+
+ u8 m_patch_data[896];
+ u8 resv2[896];
+
+ u8 x86_code_present;
+ u8 x86_code_entry[191];
};
-static int need_apply_patch(struct microcode *m, unsigned equivalent_processor_rev_id)
+static int need_apply_patch(struct microcode *m, u32 equivalent_processor_rev_id)
{
if (m->processor_rev_id != equivalent_processor_rev_id) return 0;
- if (m->nb_dev_id) {
- //look at the device id, if not found return;
- //if(m->nb_rev_id != installed_nb_rev_id) return 0;
- }
+ if (m->nb_dev_id) {
+ //look at the device id, if not found return;
+ //if(m->nb_rev_id != installed_nb_rev_id) return 0;
+ }
- if (m->ht_io_hub_dev_id) {
- //look at the device id, if not found return;
- //if(m->ht_io_hub_rev_id != installed_ht_io_bub_rev_id) return 0;
- }
+ if (m->ht_io_hub_dev_id) {
+ //look at the device id, if not found return;
+ //if(m->ht_io_hub_rev_id != installed_ht_io_bub_rev_id) return 0;
+ }
- if (m->x86_code_present) {
- //if(!x86_code_execute()) return 0;
- }
+ if (m->x86_code_present) {
+ //if(!x86_code_execute()) return 0;
+ }
return 1;
}
-void amd_update_microcode(void *microcode_updates, unsigned equivalent_processor_rev_id)
+void amd_update_microcode(void *microcode_updates, u32 equivalent_processor_rev_id)
{
- unsigned int patch_id, new_patch_id;
+ u32 patch_id, new_patch_id;
struct microcode *m;
char *c;
msr_t msr;
-
+
msr = rdmsr(0x8b);
patch_id = msr.lo;
@@ -117,15 +96,15 @@ void amd_update_microcode(void *microcode_updates, unsigned equivalent_processor
//apply patch
msr.hi = 0;
- msr.lo = (uint32_t)m;
+ msr.lo = (u32)m;
wrmsr(0xc0010020, msr);
printk_debug("microcode: patch id that want to apply= 0x%08x\n", m->patch_id);
- //read the patch_id again
- msr = rdmsr(0x8b);
- new_patch_id = msr.lo;
+ //read the patch_id again
+ msr = rdmsr(0x8b);
+ new_patch_id = msr.lo;
printk_debug("microcode: updated to patch id = 0x%08x %s\r\n", new_patch_id , (new_patch_id == m->patch_id)?" success":" fail" );
break;