minor modification

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2253 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

src/cpu/amd/model_gx2/cpubug.c

@@ -229,7 +229,9 @@ CPUbugIAENG2900	ENDP
 #endif
 }
 
-void bug118253(void){
+void bug118253(void)
+{
+	/* GLPCI PIO Post Control shouldn't be enabled */
 	msr_t msr;
 
 	msr = rdmsr(GLPCI_SPARE);
@@ -296,7 +298,6 @@ void bug118339(void)
 	msr = rdmsr(msrnum);
 	msr.hi |= 8;			/*  Bit 35 = MCP_IN */
 	wrmsr(msrnum, msr);
-	
 }
 
 

src/cpu/amd/model_gx2/cpureginit.c

@@ -169,13 +169,14 @@ cpuRegInit (void){
 /* */
 /*  FooGlue Setup*/
 /* */
+#if 0
 	/*  Enable CIS mode B in FooGlue*/
 	msrnum = MSR_FG + 0x10;
 	msr = rdmsr(msrnum);
 	msr.lo &= ~3;
 	msr.lo |= 2;			/*  ModeB*/
 	wrmsr(msrnum, msr);
-
+#endif
 
 /* */
 /*  Disable DOT PLL. Graphics init will enable it if needed.*/
@@ -209,7 +210,7 @@ cpuRegInit (void){
 	/*  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){
+	if (msr.lo >= CPU_REV_2_1){
 		msrnum = CPU_PF_BTB_CONF;
 		msr = rdmsr(msrnum);
 		msr.lo |= BTB_ENABLE_SET | RETURN_STACK_ENABLE_SET;

src/cpu/amd/model_gx2/vsmsetup.c

@@ -195,8 +195,8 @@ static void real_mode_switch_call_vsm(unsigned long smm, unsigned long sysm)
 		/* Dump zeros in the other segregs */
 		"	mov	%ax, %es       	\n"
 		/* FixMe: Big real mode for gs, fs? */
-		//"	mov	%ax, %fs       	\n"
+		"	mov	%ax, %fs       	\n"
-		//"	mov	%ax, %gs       	\n"
+		"	mov	%ax, %gs       	\n"
 		"	mov	$0x40, %ax	\n"
 		"	mov	%ax, %ds	\n"
 		//"	mov	%cx, %ax	\n"
@@ -277,8 +277,8 @@ void do_vsmbios(void)
 
 	memcpy((void *) 0x60000, buf, size);
 
-	for (i = 0; i < 0x800000; i++)
+	//for (i = 0; i < 0x800000; i++)
-		outb(0xaa, 0x80);
+	//	outb(0xaa, 0x80);
 
 	/* ecx gets smm, edx gets sysm */
 	printk_err("Call real_mode_switch_call_vsm\n");
@@ -568,8 +568,6 @@ void setup_realmode_idt(void)
 	idts[1].cs = 0;
 	idts[1].offset = 16384;
 	memcpy(16384, &debughandle, &end_debughandle - &debughandle);
-
-	
 }
 
 
@@ -745,6 +743,12 @@ int handleint21(unsigned long *edi, unsigned long *esi, unsigned long *ebp,
 	case 0x5f0f:
 		*eax=0x860f;
 		break;
+	case 0xBEA7:
+		*eax=33;
+		break;
+	case 0xBEA4:
+		*eax=333;
+		break;
 	}
 	return res;
 }

src/northbridge/amd/gx2/chipsetinit.c

@@ -211,6 +211,7 @@ chipsetinit (void){
 	outb( P80_CHIPSET_INIT, 0x80);
 	ChipsetGeodeLinkInit();
 
+#if 0
 	/* we hope NEVER to be in linuxbios when S3 resumes 
 	if (! IsS3Resume()) */
 	{
@@ -227,6 +228,7 @@ chipsetinit (void){
 
 		pmChipsetInit();
 	}
+#endif
 
 	/* for later ... if 5536 set_usb_20(); */
 

src/northbridge/amd/gx2/northbridge.c

@@ -102,10 +102,10 @@ struct msr_defaults {
 
 	/* we will assume 180e, the ssm region configuration, is left at default or set by VSM */
 	/* we will not set 0x180f, the DMM,yet */
-	{0x1810, {.hi=0xee7ff000, .lo=RRCF_LOW(0xee000000, WRITE_COMBINE|CACHE_DISABLE)}},
+	//{0x1810, {.hi=0xee7ff000, .lo=RRCF_LOW(0xee000000, WRITE_COMBINE|CACHE_DISABLE)}},
-	{0x1811, {.hi = 0xefffb000, .lo = RRCF_LOW_CD(0xefff8000)}},
+	//{0x1811, {.hi = 0xefffb000, .lo = RRCF_LOW_CD(0xefff8000)}},
-	{0x1812, {.hi = 0xefff7000, .lo = RRCF_LOW_CD(0xefff4000)}},
+	//{0x1812, {.hi = 0xefff7000, .lo = RRCF_LOW_CD(0xefff4000)}},
-	{0x1813, {.hi = 0xefff3000, .lo = RRCF_LOW_CD(0xefff0000)}},
+	//{0x1813, {.hi = 0xefff3000, .lo = RRCF_LOW_CD(0xefff0000)}},
 	/* now for GLPCI routing */
 	/* GLIU0 */
 	P2D_BM(0x10000020, 0x1, 0x0, 0x0, 0xfff80),
@@ -424,6 +424,7 @@ static void enable_dev(struct device *dev)
 		extern void cpubug(void);
 		printk_debug("DEVICE_PATH_PCI_DOMAIN\n");
 		/* cpubug MUST be called before setup_gx2(), so we force the issue here */
+		northbridgeinit();
 		cpubug();	
 		chipsetinit();
 		setup_gx2();

src/northbridge/amd/gx2/northbridgeinit.c

@@ -45,17 +45,12 @@ struct gliutable gliu1table[] = {
 	{.desc_name=GL_END,.desc_type= GL_END,.hi= 0x0,.lo= 0x0},
 };
 
-
-
-
-
-
-
 struct gliutable *gliutables[]  = {gliu0table, gliu1table, 0};
 
 struct msrinit {
 	unsigned long msrnum;
-	msr_t msr;};
+	msr_t msr;
+};
 
 struct msrinit ClockGatingDefault [] = {
 	{GLIU0_GLD_MSR_PM,	{.hi=0x00,.lo=0x0005}},
@@ -124,7 +119,8 @@ writeglmsr(struct gliutable *gl){
 }
 
 static void
-ShadowInit(struct gliutable *gl) {
+ShadowInit(struct gliutable *gl)
+{
 	msr_t msr;
 
 	msr = rdmsr(gl->desc_name);
@@ -141,9 +137,8 @@ ShadowInit(struct gliutable *gl) {
   */
 extern int sizeram(void);
 static void
-SysmemInit(struct gliutable *gl) {
+SysmemInit(struct gliutable *gl)
-
+{
-
 	msr_t msr;
 	int sizembytes, sizebytes;
 
@@ -515,6 +510,7 @@ performance:
 		printk_debug("%s: MSR 0x%x will be set to  0x%x:0x%x\n", __FUNCTION__, 
 			gating->msrnum, msr.hi, msr.lo);
 		wrmsr(gating->msrnum, msr);
+		gating +=1;
 	}
 
 }
@@ -534,6 +530,7 @@ GeodeLinkPriority(void){
 		printk_debug("%s: MSR 0x%x will be set to  0x%x:0x%x\n", __FUNCTION__, 
 			prio->msrnum, msr.hi, msr.lo);
 		wrmsr(prio->msrnum, msr);
+		prio +=1;
 	}
 }
 	
@@ -550,10 +547,11 @@ GeodeLinkPriority(void){
 	/* ***************************************************************************/
 
 void
-northbridgeinit(void){
+northbridgeinit(void)
+{
 	int i;
 	printk_debug("Enter %s\n", __FUNCTION__);
-//	post(POST_NORTHB_INIT);
+
 	for(i = 0; gliutables[i]; i++)
 		GLIUInit(gliutables[i]);
 

src/southbridge/amd/cs5535/cs5535_early_setup.c

@@ -37,6 +37,20 @@ static void cs5535_setup_idsel(void)
 	outl(0x1 << (CS5535_DEV_NUM + 10), 0);
 }
 
+static void cs5535_usb_swapsif(void)
+{
+	msr_t msr;
+
+	msr = rdmsr(0x51600005);
+	//USB Serial short detect bit.
+	if (msr.hi & 0x10) {
+		/* We need to preserve bits 32,33,35 and not clear any BIST error, but clear the
+		 * SERSHRT error bit */
+		msr.hi &= 0xFFFFFFFB;
+		wrmsr(0x51600005, msr);
+	}
+}
+
 static int cs5535_setup_iobase(void)
 {
 	msr_t msr;
@@ -49,10 +63,36 @@ static int cs5535_setup_iobase(void)
 	__builtin_wrmsr(0x5140000d, 0x00006200, 0x0000f001);
 	/* setup LBAR for ACPI */
 	__builtin_wrmsr(0x5140000e, 0x00009c00, 0x0000f001);
-	/* setup LBAR for MFGPT */
+	/* setup LBAR for PM Support */
 	__builtin_wrmsr(0x5140000f, 0x00009d00, 0x0000f001);
 }
 
+static void cs5535_setup_power_bottun(void)
+{
+	/* not implemented yet */
+#if 0
+	pwrBtn_setup:
+	;
+	;	Power Button Setup
+	;
+	;mov	eax, 0C0020000h				; 4 seconds + lock
+	mov	eax, 040020000h				; 4 seconds no lock
+	mov	dx, PMLogic_BASE + 40h
+	out	dx, eax
+
+	; setup GPIO24, it is the external signal for 5535 vsb_work_aux
+	; which controls all voltage rails except Vstandby & Vmem.
+	; We need to enable, OUT_AUX1 and OUTPUT_ENABLE in this order.
+	; If GPIO24 is not enabled then soft-off will not work.
+	mov	dx, GPIOH_OUT_AUX1_SELECT
+	mov	eax, GPIOH_24_SET
+	out	dx, eax
+	mov	dx, GPIOH_OUTPUT_ENABLE
+	out	dx, eax
+
+#endif
+}
+
 static void cs5535_setup_gpio(void)
 {
 	uint32_t val;
@@ -75,6 +115,29 @@ static void cs5535_setup_gpio(void)
 	//outl(val, 0x6100 + 0x34);
 }
 
+static void cs5535_disable_internal_uart(void)
+{
+	/* not implemented yet */
+#if 0
+	; The UARTs default to enabled.
+	; Disable and reset them and configure them later. (SIO init)
+	mov	ecx, MDD_UART1_CONF
+	RDMSR
+	mov	eax, 1h					; reset
+	WRMSR
+	mov	eax, 0h					; disabled
+	WRMSR
+
+	mov	ecx, MDD_UART2_CONF
+	RDMSR
+	mov	eax, 1h					; reset
+	WRMSR
+	mov	eax, 0h					; disabled
+	WRMSR
+
+#endif
+}
+
 static void cs5535_setup_cis_mode(void)
 {
 	msr_t msr;
@@ -84,7 +147,8 @@ static void cs5535_setup_cis_mode(void)
 	msr.lo &= ~0x18;
 	msr.lo |= 0x10;
 	__builtin_wrmsr(0x51000010, msr.lo, msr.hi);
-	__builtin_wrmsr(0x54002010, 0x00000002, 0x00000000);
+	//Only do this if we are building for 5535
+	//__builtin_wrmsr(0x54002010, 0x00000002, 0x00000000);
 }
 
 static void dummy(void)
@@ -106,6 +170,7 @@ static int cs5535_early_setup(void)
 	print_debug("Setup idsel\r\n");
 	cs5535_setup_idsel();
 	print_debug("Setup iobase\r\n");
+	cs5535_usb_swapsif();
 	cs5535_setup_iobase();
 	print_debug("Setup gpio\r\n");
 	cs5535_setup_gpio();