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Diffstat (limited to 'src/cpu/amd/model_lx/cpureginit.c')
-rw-r--r--src/cpu/amd/model_lx/cpureginit.c431
1 files changed, 239 insertions, 192 deletions
diff --git a/src/cpu/amd/model_lx/cpureginit.c b/src/cpu/amd/model_lx/cpureginit.c
index e8ccb13bbb..4607e3dea4 100644
--- a/src/cpu/amd/model_lx/cpureginit.c
+++ b/src/cpu/amd/model_lx/cpureginit.c
@@ -20,77 +20,219 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-/* ***************************************************************************/
-/* **/
-/* * 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;
+/**************************************************************************
+;*
+;* SetDelayControl
+;*
+;*************************************************************************/
+void SetDelayControl(void){
+ unsigned int msrnum, glspeed;
+ unsigned char spdbyte0, spdbyte1;
msr_t msr;
- /* DM*/
- msrnum = CPU_DM_CONFIG0;
- msr = rdmsr(msrnum);
- msr.lo |= DM_CONFIG0_LOWER_DCDIS_SET;
+ glspeed = GeodeLinkSpeed();
+
+ /* fix delay controls for DM and IM arrays */
+ msrnum = CPU_BC_MSS_ARRAY_CTL0;
+ msr.hi = 0;
+ msr.lo = 0x2814D352;
wrmsr(msrnum, msr);
- msr.lo = 0x00000003F;
- msr.hi = 0x000000000;
- msrnum = CPU_DM_BIST;
+ msrnum = CPU_BC_MSS_ARRAY_CTL1;
+ msr.hi = 0;
+ msr.lo = 0x1068334D;
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_BC_MSS_ARRAY_CTL2;
+ msr.hi = 0x00000106;
+ msr.lo = 0x83104104;
+ wrmsr(msrnum,msr);
- msrnum = CPU_DM_CONFIG0;
+ msrnum = GLCP_FIFOCTL;
msr = rdmsr(msrnum);
- msr.lo &= ~ DM_CONFIG0_LOWER_DCDIS_SET;
+ msr.hi = 0x00000005;
wrmsr(msrnum, msr);
- /* FPU*/
- msr.lo = 0x000000131;
+ /* Enable setting */
+ msrnum = CPU_BC_MSS_ARRAY_CTL_ENA;
msr.hi = 0;
- msrnum = CPU_FP_UROM_BIST;
+ msr.lo = 0x00000001;
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);
+ /* Debug Delay Control Setup Check
+ Leave it alone if it has been setup. FS2 or something is here.*/
+ msrnum = GLCP_DELAY_CONTROLS;
+ msr = rdmsr(msrnum);
+ if (msr.lo & ~(0x7C0)){
+ return;
+ }
- /* BTB*/
- msr.lo = 0x000000303;
- msr.hi = 0x000000000;
- msrnum = CPU_PF_BTBRMA_BIST;
- wrmsr(msrnum, msr);
+ /*
+ ; Delay Controls based on DIMM loading. UGH!
+ ; # of Devices = Module Width (SPD6) / Device Width(SPD13) * Physical Banks(SPD5)
+ ; Note - We only support module width of 64.
+ */
+ spdbyte0 = spd_read_byte(DIMM0, SPD_PRIMARY_SDRAM_WIDTH);
+ if (spdbyte0 !=0xFF){
+ spdbyte0 = (unsigned char) 64/spdbyte0 * (unsigned char) (spd_read_byte(DIMM0, SPD_NUM_DIMM_BANKS));
+ }
+ else{
+ spdbyte0=0;
+ }
+
+ spdbyte1 = spd_read_byte(DIMM1, SPD_PRIMARY_SDRAM_WIDTH);
+ if (spdbyte1 !=0xFF){
+ spdbyte1 = (unsigned char) 64/spdbyte1 * (unsigned char) (spd_read_byte(DIMM1, SPD_NUM_DIMM_BANKS));
+ }
+ else{
+ spdbyte1=0;
+ }
- 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);
+/* The current thinking. Subject to change...
+
+; "FUTURE ROBUSTNESS" PROPOSAL
+; ----------------------------
+; DIMM Max MBUS MC 0x2000001A bits 26:24
+;DIMMs devices Frequency MCP 0x4C00000F Setting vvv
+;----- ------- --------- ---------------------- ----------
+;1 4 400MHz 0x82*100FF 0x56960004 4
+;1 8 400MHz 0x82*100AA 0x56960004 4
+;1 16 400MHz 0x82*10055 0x56960004 4
+;
+;2 4,4 400MHz 0x82710000 0x56960004 4
+;2 8,8 400MHz 0xC27100A5 0x56960004 4 *** OUT OF PUBLISHED ENVELOPE ***
+;
+;2 16,4 >333 0xB27100A5 0x56960004 4 *** OUT OF PUBLISHED ENVELOPE ***
+;2 16,8 >333 0xB27100A5 0x56960004 4 *** OUT OF PUBLISHED ENVELOPE ***
+;2 16,16 >333 0xB2710000 0x56960004 4 *** OUT OF PUBLISHED ENVELOPE ***
+;
+;1 4 <=333MHz 0x83*100FF 0x56960004 3
+;1 8 <=333MHz 0x83*100AA 0x56960004 3
+;1 16 <=333MHz 0x83*100AA 0x56960004 3
+;
+;2 4,4 <=333MHz 0x837100A5 0x56960004 3
+;2 8,8 <=333MHz 0x937100A5 0x56960004 3
+;
+;2 16,4 <=333MHz 0xB37100A5 0x56960004 3 *** OUT OF PUBLISHED ENVELOPE ***
+;2 16,8 <=333MHz 0xB37100A5 0x56960004 3 *** OUT OF PUBLISHED ENVELOPE ***
+;2 16,16 <=333MHz 0xB37100A5 0x56960004 3 *** OUT OF PUBLISHED ENVELOPE ***
+;=========================================================================
+;* - Bit 55 (disable SDCLK 1,3,5) should be set if there is a single DIMM in slot 0,
+; but it should be clear for all 2 DIMM settings and if a single DIMM is in slot 1.
+; Bits 54:52 should always be set to '111'.
+
+;No VTT termination
+;-------------------------------------
+;ADDR/CTL have 22 ohm series R
+;DQ/DQM/DQS have 33 ohm series R
+;
+; DIMM Max MBUS
+;DIMMs devices Frequency MCP 0x4C00000F Setting
+;----- ------- --------- ----------------------
+;1 4 400MHz 0xF2F100FF 0x56960004 4 The MC changes improve Salsa.
+;1 8 400MHz 0xF2F100FF 0x56960004 4 Delay controls no real change,
+;1 4 <=333MHz 0xF2F100FF 0x56960004 3 just fixing typo in left side.
+;1 8 <=333MHz 0xF2F100FF 0x56960004 3
+;1 16 <=333MHz 0xF2F100FF 0x56960004 3
+*/
+ msr.hi = msr.lo = 0;
+
+ if (spdbyte0 == 0 || spdbyte1 == 0){
+ /* one dimm solution */
+ if (spdbyte1 == 0){
+ msr.hi |= 0x000800000;
+ }
+ spdbyte0 += spdbyte1;
+ if (spdbyte0 > 8){
+ /* large dimm */
+ if (glspeed < 334){
+ msr.hi |= 0x0837100AA;
+ msr.lo |= 0x056960004;
+ }
+ else{
+ msr.hi |= 0x082710055;
+ msr.lo |= 0x056960004;
+ }
+ }
+ else if (spdbyte0 > 4){
+ /* medium dimm */
+ if (glspeed < 334){
+ msr.hi |= 0x0837100AA;
+ msr.lo |= 0x056960004;
+ }
+ else{
+ msr.hi |= 0x0827100AA;
+ msr.lo |= 0x056960004;
+ }
+ }
+ else{
+ /* small dimm */
+ if (glspeed < 334){
+ msr.hi |= 0x0837100FF;
+ msr.lo |= 0x056960004;
+ }
+ else{
+ msr.hi |= 0x0827100FF;
+ msr.lo |= 0x056960004;
+ }
+ }
+ }
+ else{
+ /* two dimm solution */
+ spdbyte0 += spdbyte1;
+ if (spdbyte0 > 24){
+ /* huge dimms */
+ if (glspeed < 334){
+ msr.hi |= 0x0B37100A5;
+ msr.lo |= 0x056960004;
+ }
+ else{
+ msr.hi |= 0x0B2710000;
+ msr.lo |= 0x056960004;
+ }
+ }
+ else if (spdbyte0 > 16){
+ /* large dimms */
+ if (glspeed < 334){
+ msr.hi |= 0x0B37100A5;
+ msr.lo |= 0x056960004;
+ }
+ else{
+ msr.hi |= 0x0B27100A5;
+ msr.lo |= 0x056960004;
+ }
+ }
+ else if (spdbyte0 >= 8){
+ /* medium dimms */
+ if (glspeed < 334){
+ msr.hi |= 0x0937100A5;
+ msr.lo |= 0x056960004;
+ }
+ else{
+ msr.hi |= 0x0C27100A5;
+ msr.lo |= 0x056960004;
+ }
+ }
+ else{
+ /* small dimms */
+ if (glspeed < 334){
+ msr.hi |= 0x0837100A5;
+ msr.lo |= 0x056960004;
+ }
+ else{
+ msr.hi |= 0x082710000;
+ msr.lo |= 0x056960004;
+ }
+ }
+ }
+ wrmsr(GLCP_DELAY_CONTROLS,msr);
+ return;
}
+
/* ***************************************************************************/
/* * cpuRegInit*/
/* ***************************************************************************/
@@ -99,173 +241,78 @@ cpuRegInit (void){
int msrnum;
msr_t msr;
- //GX3 suspend: what is desired?
-
- /* Enable Suspend on Halt*/
- /*msrnum = CPU_XC_CONFIG;
+ /* Castle 2.0 BTM periodic sync period. */
+ /* [40:37] 1 sync record per 256 bytes */
+ msrnum = CPU_PF_CONF;
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); // GX3 OK +/-
-
+ msr.hi |= (0x8 << 5);
+ wrmsr(msrnum, msr);
-/* Only do this if we are building for 5535*/
-/* */
-/* FooGlue Setup*/
-/* */
-#if 0
- /* Enable CIS mode B in FooGlue*/
- msrnum = MSR_FG + 0x10;
+ /*
+ ; Castle performance setting.
+ ; Enable Quack for fewer re-RAS on the MC
+ */
+ msrnum = GLIU0_ARB;
msr = rdmsr(msrnum);
- msr.lo &= ~3;
- msr.lo |= 2; /* ModeB*/
+ msr.hi &= ~ARB_UPPER_DACK_EN_SET;
+ msr.hi |= ARB_UPPER_QUACK_EN_SET;
wrmsr(msrnum, msr);
-#endif
-
-/* */
-/* Disable DOT PLL. Graphics init will enable it if needed.*/
-/* */
-
-// GX3: Disable DOT PLL? No. Lets tick.
-/* msrnum = GLCP_DOTPLL;
+ msrnum = GLIU1_ARB;
msr = rdmsr(msrnum);
- msr.lo |= DOTPPL_LOWER_PD_SET;
- wrmsr(msrnum, msr); */
+ msr.hi &= ~ARB_UPPER_DACK_EN_SET;
+ msr.hi |= ARB_UPPER_QUACK_EN_SET;
+ wrmsr(msrnum, msr);
-/* */
-/* Enable RSDC*/
-/* */
- msrnum = 0x1301 ;
+ /* GLIU port active enable, limit south pole masters (AES and PCI) to one outstanding transaction. */
+ msrnum = GLIU1_PORT_ACTIVE;
msr = rdmsr(msrnum);
- msr.lo |= 0x08;
- wrmsr(msrnum, msr); //GX3 OK
-
-
-/* */
-/* 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*/
+ msr.lo &= ~0x880;
+ wrmsr(msrnum, msr);
-//GX3: BTB is enabled by default
+ /* Set the Delay Control in GLCP */
+ SetDelayControl();
-/* msrnum = MSR_GLCP+0x17;
+/* Enable RSDC*/
+ msrnum = CPU_AC_SMM_CTL;
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;
+ msr.lo |= SMM_INST_EN_SET;
wrmsr(msrnum, msr);
- }
-
- */
-/* */
-/* FPU impercise exceptions bit*/
-/* */
- /*if (getnvram( TOKEN_FPU_IE_ENABLE) != TVALUE_DISABLE) {*/
-
-
-// GX3: FPU impercise exceptions bit - what's that?
-/* {
+ /* FPU imprecise exceptions bit */
msrnum = CPU_FPU_MSR_MODE;
msr = rdmsr(msrnum);
msr.lo |= FPU_IE_SET;
wrmsr(msrnum, msr);
- }
-
- */
-#if 0
- /* */
- /* Cache Overides*/
- /* */
- /* This code disables the data cache. Don't execute this
- * unless you're testing something.
- */
- /* Allow NVRam to override DM Setup*/
- /*if (getnvram( TOKEN_CACHE_DM_MODE) != 1) {*/
- {
- msrnum = CPU_DM_CONFIG0;
+ /* Power Savers (Do after BIST) */
+ /* Enable Suspend on HLT & PAUSE instructions*/
+ msrnum = CPU_XC_CONFIG;
msr = rdmsr(msrnum);
- msr.lo |= DM_CONFIG0_LOWER_DCDIS_SET;
+ msr.lo |= XC_CONFIG_SUSP_ON_HLT | XC_CONFIG_SUSP_ON_PAUSE;
wrmsr(msrnum, msr);
- }
- /* This code disables the instruction cache. Don't execute
- * this unless you're testing something.
- */
- /* Allow NVRam to override IM Setup*/
- /*if (getnvram( TOKEN_CACHE_IM_MODE) ==1) {*/
- {
- msrnum = CPU_IM_CONFIG;
+
+ /* Enable SUSP and allow TSC to run in Suspend (keep speed detection happy) */
+ msrnum = CPU_BC_CONF_0;
msr = rdmsr(msrnum);
- msr.lo |= IM_CONFIG_LOWER_ICD_SET;
+ msr.lo |= TSC_SUSP_SET | SUSP_EN_SET;
+ msr.lo &= 0x0F0FFFFFF;
+ msr.lo |= 0x002000000; /* PBZ213: Set PAUSEDLY = 2 */
wrmsr(msrnum, msr);
- }
-#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;
+ /* Disable the debug clock to save power.*/
+ /* NOTE: leave it enabled for fs2 debug */
+/* msrnum = GLCP_DBGCLKCTL;
+ msr.hi = 0;
+ msr.lo = 0;
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;
+ /* Setup throttling delays to proper mode if it is ever enabled. */
+ msrnum = GLCP_TH_OD;
+ msr.hi = 0;
+ msr.lo = 0x00000603C;
wrmsr(msrnum, msr);
}
-
- /* Lock the cache down here.*/
- __asm__("wbinvd\n");
-
-}
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