summaryrefslogtreecommitdiff
path: root/src/cpu/amd/model_gx2
diff options
context:
space:
mode:
authorNils Jacobs <njacobs8@hetnet.nl>2010-07-26 23:46:25 +0000
committerJoseph Smith <joe@smittys.pointclark.net>2010-07-26 23:46:25 +0000
commite474070bdd3410fef471a7a142453a883a9f7793 (patch)
tree578d9a74c2bcddee89bd7db21ea9fb5bcff00a4e /src/cpu/amd/model_gx2
parente3fb1c2531573ca246221167156721e40c3ef47c (diff)
This patch converts the Geode GX2 boards to CAR.
Signed-off-by: Nils Jacobs <njacobs8@hetnet.nl> Acked-by: Joseph Smith <joe@settoplinux.org> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5669 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/cpu/amd/model_gx2')
-rw-r--r--src/cpu/amd/model_gx2/Kconfig4
-rw-r--r--src/cpu/amd/model_gx2/Makefile.inc3
-rw-r--r--src/cpu/amd/model_gx2/cpureginit.c128
-rw-r--r--src/cpu/amd/model_gx2/syspreinit.c10
4 files changed, 12 insertions, 133 deletions
diff --git a/src/cpu/amd/model_gx2/Kconfig b/src/cpu/amd/model_gx2/Kconfig
index 610120a3bf..23c0ac75ea 100644
--- a/src/cpu/amd/model_gx2/Kconfig
+++ b/src/cpu/amd/model_gx2/Kconfig
@@ -22,12 +22,12 @@ config CPU_AMD_GX2
config DCACHE_RAM_BASE
hex
- default 0xc0000
+ default 0xc8000
depends on CPU_AMD_GX2
config DCACHE_RAM_SIZE
hex
- default 0x01000
+ default 0x04000
depends on CPU_AMD_GX2
config GEODE_VSA
diff --git a/src/cpu/amd/model_gx2/Makefile.inc b/src/cpu/amd/model_gx2/Makefile.inc
index 205ddae3f3..50fdc5445c 100644
--- a/src/cpu/amd/model_gx2/Makefile.inc
+++ b/src/cpu/amd/model_gx2/Makefile.inc
@@ -2,5 +2,8 @@ subdirs-y += ../../x86/tsc
subdirs-y += ../../x86/lapic
subdirs-y += ../../x86/cache
subdirs-y += ../../x86/smm
+
driver-y += model_gx2_init.o
obj-y += cpubug.o
+
+cpu_incs += $(src)/cpu/amd/model_gx2/cache_as_ram.inc
diff --git a/src/cpu/amd/model_gx2/cpureginit.c b/src/cpu/amd/model_gx2/cpureginit.c
index 3cb3cf1a58..609147c6c1 100644
--- a/src/cpu/amd/model_gx2/cpureginit.c
+++ b/src/cpu/amd/model_gx2/cpureginit.c
@@ -1,81 +1,9 @@
-
-/* ***************************************************************************/
-/* **/
-/* * BIST */
-/* **/
-/* * GX2 BISTs need to be run before BTB or caches are enabled.*/
-/* * BIST result left in registers on failure to be checked with FS2.*/
-/* **/
-/* ***************************************************************************/
-static void
-BIST(void){
- int msrnum;
- msr_t msr;
-
- /* DM*/
- msrnum = CPU_DM_CONFIG0;
- msr = rdmsr(msrnum);
- msr.lo |= DM_CONFIG0_LOWER_DCDIS_SET;
- wrmsr(msrnum, msr);
-
- msr.lo = 0x00000003F;
- msr.hi = 0x000000000;
- msrnum = CPU_DM_BIST;
- wrmsr(msrnum, msr);
-
- outb(POST_CPU_DM_BIST_FAILURE, 0x80); /* 0x29*/
- msr = rdmsr(msrnum); /* read back for pass fail*/
- msr.lo &= 0x0F3FF0000;
- if (msr.lo != 0xfeff0000)
- goto BISTFail;
-
- msrnum = CPU_DM_CONFIG0;
- msr = rdmsr(msrnum);
- msr.lo &= ~ DM_CONFIG0_LOWER_DCDIS_SET;
- wrmsr(msrnum, msr);
-
- /* FPU*/
- msr.lo = 0x000000131;
- msr.hi = 0;
- msrnum = CPU_FP_UROM_BIST;
- wrmsr(msrnum, msr);
-
- outb(POST_CPU_FPU_BIST_FAILURE, 0x80); /* 0x89*/
- inb(0x80); /* IO delay*/
- msr = rdmsr(msrnum); /* read back for pass fail*/
- while ((msr.lo&0x884) != 0x884)
- msr = rdmsr(msrnum); /* Endless loop if BIST is broken*/
- if ((msr.lo&0x642) != 0x642)
- goto BISTFail;
-
- msr.lo = msr.hi = 0; /* clear FPU BIST bits*/
- msrnum = CPU_FP_UROM_BIST;
- wrmsr(msrnum, msr);
-
-
- /* BTB*/
- msr.lo = 0x000000303;
- msr.hi = 0x000000000;
- msrnum = CPU_PF_BTBRMA_BIST;
- wrmsr(msrnum, msr);
-
- outb(POST_CPU_BTB_BIST_FAILURE , 0x80); /* 0x8A*/
- msr = rdmsr(msrnum); /* read back for pass fail*/
- if ((msr.lo & 0x3030) != 0x3030)
- goto BISTFail;
-
- return;
-
-BISTFail:
- print_err("BIST failed!\n");
- while(1);
-}
/* ***************************************************************************/
/* * cpuRegInit*/
/* ***************************************************************************/
-void
-cpuRegInit (void){
+void cpuRegInit (void)
+{
int msrnum;
msr_t msr;
/* Turn on BTM for early debug based on setup. */
@@ -197,16 +125,6 @@ cpuRegInit (void){
msr.lo |= 0x08;
wrmsr(msrnum, msr);
-
-/* */
-/* BIST*/
-/* */
- /*if (getnvram( TOKEN_BIST_ENABLE) & == TVALUE_DISABLE) {*/
- {
-// BIST();
- }
-
-
/* */
/* Enable BTB*/
/* */
@@ -260,45 +178,3 @@ cpuRegInit (void){
}
#endif
}
-
-
-
-
-/* ***************************************************************************/
-/* **/
-/* * MTestPinCheckBX*/
-/* **/
-/* * Set MTEST pins to expected values from OPTIONS.INC/NVRAM*/
-/* * This version is called when there isn't a stack available*/
-/* **/
-/* ***************************************************************************/
-static void
-MTestPinCheckBX (void){
- int msrnum;
- msr_t msr;
-
- /*if (getnvram( TOKEN_MTEST_ENABLE) ==TVALUE_DISABLE ) {*/
- /* return ; */
- /* } */
-
- /* Turn on MTEST*/
- msrnum = MC_CFCLK_DBUG;
- msr = rdmsr(msrnum);
- msr.hi |= CFCLK_UPPER_MTST_B2B_DIS_SET | CFCLK_UPPER_MTEST_EN_SET;
- wrmsr(msrnum, msr);
-
- msrnum = GLCP_SYS_RSTPLL /* Get SDR/DDR mode from GLCP*/;
- msr = rdmsr(msrnum);
- msr.lo >>= RSTPPL_LOWER_SDRMODE_SHIFT;
- if (msr.lo & 1) {
- msrnum = MC_CFCLK_DBUG; /* Turn on SDR MTEST stuff*/
- msr = rdmsr(msrnum);
- msr.lo |= CFCLK_LOWER_SDCLK_SET;
- msr.hi |= CFCLK_UPPER_MTST_DQS_EN_SET;
- wrmsr(msrnum, msr);
- }
-
- /* Lock the cache down here.*/
- __asm__("wbinvd\n");
-
-}
diff --git a/src/cpu/amd/model_gx2/syspreinit.c b/src/cpu/amd/model_gx2/syspreinit.c
index c6b2ea527c..5801f33a47 100644
--- a/src/cpu/amd/model_gx2/syspreinit.c
+++ b/src/cpu/amd/model_gx2/syspreinit.c
@@ -7,17 +7,17 @@
/* * Destroys: Al,*/
/* **/
/* ***************************************************************************/
-static void
-StartTimer1(void)
+static void StartTimer1(void)
{
outb(0x56, 0x43);
outb(0x12, 0x41);
}
-void
-SystemPreInit(void)
+void SystemPreInit(void)
{
/* they want a jump ... */
- __asm__("jmp .+2\ninvd\njmp.+2\n");
+#ifndef CONFIG_USE_DCACHE_RAM
+ __asm__ __volatile__("jmp .+2\ninvd\njmp .+2\n");
+#endif
StartTimer1();
}