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authorLi-Ta Lo <ollie@lanl.gov>2006-04-20 21:26:01 +0000
committerLi-Ta Lo <ollie@lanl.gov>2006-04-20 21:26:01 +0000
commit05c0869fac22cae8a35897310fef64ad94caed01 (patch)
tree5cb65c177147d9859f729f8da4cfa415b3717352 /src/cpu/amd/model_gx2
parent37784b429dc687fda68e2e779b01145e2c6d3bff (diff)
downloadcoreboot-05c0869fac22cae8a35897310fef64ad94caed01.tar.xz
boot to kernel
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2264 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/cpu/amd/model_gx2')
-rw-r--r--src/cpu/amd/model_gx2/cpureginit.c2
-rw-r--r--src/cpu/amd/model_gx2/model_gx2_init.c83
-rw-r--r--src/cpu/amd/model_gx2/vsmsetup.c4
3 files changed, 17 insertions, 72 deletions
diff --git a/src/cpu/amd/model_gx2/cpureginit.c b/src/cpu/amd/model_gx2/cpureginit.c
index 51fbe2ae87..f2802b67ca 100644
--- a/src/cpu/amd/model_gx2/cpureginit.c
+++ b/src/cpu/amd/model_gx2/cpureginit.c
@@ -169,7 +169,7 @@ cpuRegInit (void){
/* */
/* FooGlue Setup*/
/* */
-#if 0
+#if 1
/* Enable CIS mode B in FooGlue*/
msrnum = MSR_FG + 0x10;
msr = rdmsr(msrnum);
diff --git a/src/cpu/amd/model_gx2/model_gx2_init.c b/src/cpu/amd/model_gx2/model_gx2_init.c
index 9fc5d2679d..c6ad683ff8 100644
--- a/src/cpu/amd/model_gx2/model_gx2_init.c
+++ b/src/cpu/amd/model_gx2/model_gx2_init.c
@@ -6,88 +6,29 @@
#include <cpu/x86/lapic.h>
#include <cpu/x86/cache.h>
-#if 0
-#include <cpu/amd/gx2def.h>
-#include <arch/io.h>
-static void gx2_cpu_setup(void)
+static void vsm_end_post_smi(void)
{
- unsigned char rreg;
- unsigned char cpu_table[] = {
- 0xc1, 0x00, /* NO SMIs */
- 0xc3, 0x14, /* Enable CPU config register */
- 0x20, 0x00, /* */
- 0xb8, GX_BASE>>30, /* Enable GXBASE address */
- 0xc2, 0x00,
- 0xe8, 0x98,
- 0xc3, 0xf8, /* Enable CPU config register */
- 0x00, 0x00
- };
- unsigned char *cPtr = cpu_table;
-
- while(rreg = *cPtr++) {
- unsigned char rval = *cPtr++;
- outb(rreg, 0x22);
- outb(rval, 0x23);
- }
-
- outb(0xff, 0x22); /* DIR1 -- Identification register 1 */
- if(inb(0x23) > 0x63) { /* Rev greater than R3 */
- outb(0xe8, 0x22);
- outb(inb(0x23) | 0x20, 0x23); /* Enable FPU Fast Mode */
-
- outb(0xf0, 0x22);
- outb(inb(0x23) | 0x02, 0x23); /* Incrementor on */
-
- outb(0x20, 0x22);
- outb(inb(0x23) | 0x24, 0x23); /* Bit 5 must be on */
- /* Bit 2 Incrementor margin 10 */
-
- }
-}
-
-static void gx2_gx_setup(void)
-{
-unsigned long gx_setup_table[] = {
- GX_BASE + DC_UNLOCK, DC_UNLOCK_MAGIC,
- GX_BASE + DC_GENERAL_CFG, 0,
- GX_BASE + DC_UNLOCK, 0,
- GX_BASE + BC_DRAM_TOP, 0x3fffffff,
- GX_BASE + BC_XMAP_1, 0x60,
- GX_BASE + BC_XMAP_2, 0,
- GX_BASE + BC_XMAP_3, 0,
- GX_BASE + MC_BANK_CFG, 0x00700070,
- GX_BASE + MC_MEM_CNTRL1, XBUSARB,
- GX_BASE + MC_GBASE_ADD, 0xff,
- 0, 0
- };
-
-unsigned long *gxPtr = gx_setup_table;
-unsigned long *gxdPtr;
-unsigned long addr;
-
- while(addr = *gxPtr++) {
- gxdPtr = (unsigned long *)addr;
- *gxdPtr = *gxPtr++;
- }
+ __asm__ volatile (
+ "push %ax\n"
+ "mov $0x5000, %ax\n"
+ ".byte 0x0f, 0x38\n"
+ "pop %ax\n"
+ );
}
-#endif
static void model_gx2_init(device_t dev)
{
- void do_vsmbios(void);
-#if 0
- gx2_cpu_setup();
- gx2_gx_setup();
-#endif
printk_debug("model_gx2_init\n");
+
/* Turn on caching if we haven't already */
x86_enable_cache();
/* Enable the local cpu apics */
- setup_lapic();
+ //setup_lapic();
+
+ vsm_end_post_smi();
- do_vsmbios();
printk_debug("model_gx2_init DONE\n");
};
@@ -96,7 +37,7 @@ static struct device_operations cpu_dev_ops = {
};
static struct cpu_device_id cpu_table[] = {
- { X86_VENDOR_CYRIX, 0x0540 },
+ { X86_VENDOR_NSC, 0x0552 },
{ 0, 0 },
};
diff --git a/src/cpu/amd/model_gx2/vsmsetup.c b/src/cpu/amd/model_gx2/vsmsetup.c
index b462fcd8fd..3f65774f66 100644
--- a/src/cpu/amd/model_gx2/vsmsetup.c
+++ b/src/cpu/amd/model_gx2/vsmsetup.c
@@ -283,6 +283,10 @@ void do_vsmbios(void)
/* ecx gets smm, edx gets sysm */
printk_err("Call real_mode_switch_call_vsm\n");
real_mode_switch_call_vsm(0x10000026, 0x10000028);
+
+ /* restart timer 1 */
+ outb(0x56, 0x43);
+ outb(0x12, 0x41);
}