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authorRonald G. Minnich <rminnich@gmail.com>2006-04-10 16:14:19 +0000
committerRonald G. Minnich <rminnich@gmail.com>2006-04-10 16:14:19 +0000
commit526b2c429e41bbd177853169deb63c1bf00c70a9 (patch)
tree9817781d7825c32dc539e89962b3c400b8983c5f /src/cpu
parent5346533656f32cef8bcdac99bae394286d39af40 (diff)
clean up gx2def.h a bit.
Add cpureginit.c added called to cpureginit to model_gx2_init.c git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2248 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/cpu')
-rw-r--r--src/cpu/amd/model_gx2/cpureginit.c308
-rw-r--r--src/cpu/amd/model_gx2/model_gx2_init.c2
2 files changed, 310 insertions, 0 deletions
diff --git a/src/cpu/amd/model_gx2/cpureginit.c b/src/cpu/amd/model_gx2/cpureginit.c
new file mode 100644
index 0000000000..9cd928ecbe
--- /dev/null
+++ b/src/cpu/amd/model_gx2/cpureginit.c
@@ -0,0 +1,308 @@
+#include <console/console.h>
+#include <arch/io.h>
+#include <stdint.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <stdlib.h>
+#include <string.h>
+#include <bitops.h>
+#include <cpu/amd/gx2def.h>
+#include <cpu/x86/msr.h>
+#include <cpu/x86/cache.h>
+
+/* ***************************************************************************/
+/* **/
+/* * 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:
+ printk_err("BIST failed!\n");
+ while(1);
+}
+/* ***************************************************************************/
+/* * cpuRegInit*/
+/* ***************************************************************************/
+void
+cpuRegInit (int diagmode){
+ int msrnum;
+ msr_t msr;
+ /* Turn on BTM for early debug based on setup. */
+ /*if (getnvram( TOKEN_BTM_DIAG_MODE) & 3) {*/
+ {
+ /* Set Diagnostic Mode */
+ msrnum = CPU_GLD_MSR_DIAG;
+ msr.hi = 0;
+ msr.lo = DIAG_SEL1_SET | DIAG_SET0_SET;
+ wrmsr(msrnum, msr);
+
+ /* Set up GLCP to grab BTM data.*/
+ msrnum = 0x04C00000C; /* GLCP_DBGOUT MSR*/
+ msr.hi = 0x0;
+ msr.lo = 0x08; /* reset value (SCOPE_SEL = 0) causes FIFO toshift out,*/
+ wrmsr(msrnum, msr); /* exchange it to anything else to prevent this*/
+
+ /* ;Turn off debug clock*/
+ msrnum = 0x04C000016; /* DBG_CLK_CTL*/
+ msr.lo = 0x00; /* No clock*/
+ msr.hi = 0x00;
+ wrmsr(msrnum, msr);
+
+ /* ;Set debug clock to CPU*/
+ msrnum = 0x04C000016; /* DBG_CLK_CTL*/
+ msr.lo = 0x01; /* CPU CLOCK*/
+ msr.hi = 0x00;
+ wrmsr(msrnum, msr);
+
+ /* ;Set fifo ctl to BTM bits wide*/
+ msrnum = 0x04C00005E; /* FIFO_CTL*/
+ msr.lo = 0x003880000; /* Bit [25:24] are size (11=BTM, 10 = 64 bit, 01= 32 bit, 00 = 16bit)*/
+ wrmsr(msrnum, msr); /* Bit [23:21] are position (100 = CPU downto0)*/
+ /* Bit [19] sets it up in slow data mode.*/
+
+ /* ;enable fifo loading - BTM sizing will constrain*/
+ /* ; only valid BTM packets to load - this action should always be on*/
+
+ msrnum = 0x04C00006F; /* GLCP ACTION7 - load fifo*/
+ msr.lo = 0x00000F000; /* Any nibble all 1's will always trigger*/
+ msr.hi = 0x000000000; /* */
+ wrmsr(msrnum, msr);
+
+ /* ;start storing diag data in the fifo*/
+ msrnum = 0x04C00005F; /* DIAG CTL*/
+ msr.lo = 0x080000000; /* enable actions*/
+ msr.hi = 0x000000000;
+ wrmsr(msrnum, msr);
+
+ /* Set up delay on data lines, so that the hold time*/
+ /* is 1 ns.*/
+ msrnum = 0x04C00000D ; /* GLCP IO DELAY CONTROLS*/
+ msr.lo = 0x082b5ad68;
+ msr.hi = 0x080ad6b57; /* RGB delay = 0x07*/
+ wrmsr(msrnum, msr);
+
+ /* Set up DF to output diag information on DF pins.*/
+ msrnum = DF_GLD_MSR_MASTER_CONF;
+ msr.lo = 0x0220;
+ msr.hi = 0;
+ wrmsr(msrnum, msr);
+
+ msrnum = 0x04C00000C ; /* GLCP_DBGOUT MSR*/
+ msr.hi = 0x0;
+ msr.lo = 0x0; /* reset value (SCOPE_SEL = 0) causes FIFO to shift out,*/
+ wrmsr(msrnum, msr);
+ /* end of code for BTM */
+ }
+
+ /* Enable Suspend on Halt*/
+ msrnum = CPU_XC_CONFIG;
+ msr = rdmsr(msrnum);
+ msr.lo |= XC_CONFIG_SUSP_ON_HLT;
+ wrmsr(msrnum, msr);
+
+ /* ENable SUSP and allow TSC to run in Suspend */
+ /* to keep speed detection happy*/
+ msrnum = CPU_BC_CONF_0;
+ msr = rdmsr(msrnum);
+ msr.lo |= TSC_SUSP_SET | SUSP_EN_SET;
+ wrmsr(msrnum, msr);
+
+ /* Setup throttling to proper mode if it is ever enabled.*/
+ msrnum = 0x04C00001E;
+ msr.hi = 0x000000000;
+ msr.lo = 0x00000603C;
+ wrmsr(msrnum, msr);
+
+
+/* Only do this if we are building for 5535*/
+/* */
+/* FooGlue Setup*/
+/* */
+ /* Enable CIS mode B in FooGlue*/
+ msrnum = MSR_FG + 0x10;
+ msr = rdmsr(msrnum);
+ msr.lo &= ~3;
+ msr.lo |= 2; /* ModeB*/
+ wrmsr(msrnum, msr);
+
+
+/* */
+/* Disable DOT PLL. Graphics init will enable it if needed.*/
+/* */
+ msrnum = GLCP_DOTPLL;
+ msr = rdmsr(msrnum);
+ msr.lo |= DOTPPL_LOWER_PD_SET;
+ wrmsr(msrnum, msr);
+
+/* */
+/* Set the Delay Control in GLCP*/
+/* */
+/* SetDelayControl();*/
+
+/* */
+/* Enable RSDC*/
+/* */
+ msrnum = 0x1301 ;
+ msr = rdmsr(msrnum);
+ msr.lo |= 0x08;
+ wrmsr(msrnum, msr);
+
+
+/* */
+/* BIST*/
+/* */
+ /*if (getnvram( TOKEN_BIST_ENABLE) & == TVALUE_DISABLE) {*/
+ {
+ BIST();
+ }
+
+
+/* */
+/* Enable BTB*/
+/* */
+ /* I hate to put this check here but it doesn't really work in cpubug.asm*/
+ msrnum = MSR_GLCP+0x17;
+ msr = rdmsr(msrnum);
+ if (msr.lo < CPU_REV_2_1){
+ msrnum = CPU_PF_BTB_CONF;
+ msr = rdmsr(msrnum);
+ msr.lo |= BTB_ENABLE_SET | RETURN_STACK_ENABLE_SET;
+ wrmsr(msrnum, msr);
+ }
+
+/* */
+/* FPU impercise exceptions bit*/
+/* */
+ /*if (getnvram( TOKEN_FPU_IE_ENABLE) != TVALUE_DISABLE) {*/
+ {
+ msrnum = CPU_FPU_MSR_MODE;
+ msr = rdmsr(msrnum);
+ msr.lo |= FPU_IE_SET;
+ wrmsr(msrnum, msr);
+ }
+
+/* */
+/* Cache Overides*/
+/* */
+ /* Allow NVRam to override DM Setup*/
+ /*if (getnvram( TOKEN_CACHE_DM_MODE) != 1) {*/
+ {
+
+ msrnum = CPU_DM_CONFIG0;
+ msr = rdmsr(msrnum);
+ msr.lo |= DM_CONFIG0_LOWER_DCDIS_SET;
+ wrmsr(msrnum, msr);
+ }
+ /* Allow NVRam to override IM Setup*/
+ /*if (getnvram( TOKEN_CACHE_IM_MODE) ==1) {*/
+ {
+ msrnum = CPU_IM_CONFIG;
+ msr = rdmsr(msrnum);
+ msr.lo |= IM_CONFIG_LOWER_ICD_SET;
+ wrmsr(msrnum, msr);
+ }
+}
+
+
+
+
+/* ***************************************************************************/
+/* **/
+/* * 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.*/
+ wbinvd();
+
+}
diff --git a/src/cpu/amd/model_gx2/model_gx2_init.c b/src/cpu/amd/model_gx2/model_gx2_init.c
index 9fc5d2679d..185faf2197 100644
--- a/src/cpu/amd/model_gx2/model_gx2_init.c
+++ b/src/cpu/amd/model_gx2/model_gx2_init.c
@@ -73,6 +73,8 @@ unsigned long addr;
}
#endif
+#include "cpureginit.c"
+
static void model_gx2_init(device_t dev)
{
void do_vsmbios(void);