sravan/system76-coreboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Initial AMD Barcelona support for rev Bx.

Browse Source 
These are the core files for HyperTransport, DDR2 Memory, and multi-core initialization.

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@3014 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Marc Jones
2007-12-19 01:32:08 +00:00
parent 2006b38fed
commit 8ae8c88220
90 changed files with 27619 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
src/cpu/amd/microcode/microcode.c
View File

@@ -17,6 +17,8 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __ROMCC__
#include <stdint.h>
#include <console/console.h>
#include <cpu/cpu.h>
@@ -24,6 +26,8 @@
#include <cpu/amd/microcode.h>
#include <cpu/x86/cache.h>
#endif
struct microcode {
u32 date_code;
u32 patch_id;
@@ -56,8 +60,11 @@ struct microcode {
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->processor_rev_id != equivalent_processor_rev_id) {
printk_debug("microcode: rev id does not match this patch.\n");
printk_debug("microcode: Not updated! Fix microcode_updates[] \n");
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;
@@ -86,7 +93,7 @@ void amd_update_microcode(void *microcode_updates, u32 equivalent_processor_rev_
msr = rdmsr(0x8b);
patch_id = msr.lo;
printk_debug("microcode: equivalent processor rev id = 0x%04x, patch id = 0x%08x\n", equivalent_processor_rev_id, patch_id);
printk_debug("microcode: equivalent rev id = 0x%04x, current patch id = 0x%08x\n", equivalent_processor_rev_id, patch_id);
m = microcode_updates;
@@ -100,13 +107,13 @@ void amd_update_microcode(void *microcode_updates, u32 equivalent_processor_rev_
wrmsr(0xc0010020, msr);
printk_debug("microcode: patch id that want to apply= 0x%08x\n", m->patch_id);
printk_debug("microcode: patch id to apply = 0x%08x\n", m->patch_id);
//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" );
printk_debug("microcode: updated to patch id = 0x%08x %s\n", new_patch_id , (new_patch_id == m->patch_id)?" success\n":" fail\n" );
break;
}
c += 2048;