Merge branch 'master' of git://git.denx.de/u-boot-ti

arch/arm/cpu/armv7/omap-common/Makefile

@@ -26,7 +26,9 @@ include $(TOPDIR)/config.mk
 LIB	= $(obj)libomap-common.a
 
 SOBJS	:= reset.o
+
 COBJS	:= timer.o
+COBJS	+= syslib.o
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))

arch/arm/cpu/armv7/omap-common/reset.S

@@ -27,10 +27,12 @@
 reset_cpu:
 	ldr	r1, rstctl			@ get addr for global reset
 						@ reg
-	mov	r3, #0x2			@ full reset pll + mpu
+	ldr	r3, rstbit			@ sw reset bit
 	str	r3, [r1]			@ force reset
 	mov	r0, r0
 _loop_forever:
 	b	_loop_forever
 rstctl:
 	.word	PRM_RSTCTRL
+rstbit:
+	.word	PRM_RSTCTRL_RESET

arch/arm/cpu/armv7/omap3/syslib.c → arch/arm/cpu/armv7/omap-common/syslib.c

@@ -23,8 +23,6 @@
 
 #include <common.h>
 #include <asm/io.h>
-#include <asm/arch/mem.h>
-#include <asm/arch/clocks.h>
 #include <asm/arch/sys_proto.h>
 
 /************************************************************

arch/arm/cpu/armv7/omap3/Makefile

@@ -32,7 +32,6 @@ COBJS	+= board.o
 COBJS	+= clock.o
 COBJS	+= gpio.o
 COBJS	+= mem.o
-COBJS	+= syslib.o
 COBJS	+= sys_info.o
 
 COBJS-$(CONFIG_EMIF4)	+= emif4.o

arch/arm/cpu/armv7/omap3/board.c

@@ -119,41 +119,6 @@ void secureworld_exit()
 	__asm__ __volatile__("mcr p15, 0, %0, c1, c1, 0":"=r"(i));
 }
 
-/******************************************************************************
- * Routine: setup_auxcr()
- * Description: Write to AuxCR desired value using SMI.
- *              general use.
- *****************************************************************************/
-void setup_auxcr()
-{
-	unsigned long i;
-	volatile unsigned int j;
-	/* Save r0, r12 and restore them after usage */
-	__asm__ __volatile__("mov %0, r12":"=r"(j));
-	__asm__ __volatile__("mov %0, r0":"=r"(i));
-
-	/*
-	 * GP Device ROM code API usage here
-	 * r12 = AUXCR Write function and r0 value
-	 */
-	__asm__ __volatile__("mov r12, #0x3");
-	__asm__ __volatile__("mrc p15, 0, r0, c1, c0, 1");
-	/* Enabling ASA */
-	__asm__ __volatile__("orr r0, r0, #0x10");
-	/* Enable L1NEON */
-	__asm__ __volatile__("orr r0, r0, #1 << 5");
-	/* SMI instruction to call ROM Code API */
-	__asm__ __volatile__(".word 0xE1600070");
-	/* Set PLD_FWD bit in L2AUXCR (Cortex-A8 erratum 725233 workaround) */
-	__asm__ __volatile__("mov r12, #0x2");
-	__asm__ __volatile__("mrc p15, 1, r0, c9, c0, 2");
-	__asm__ __volatile__("orr r0, r0, #1 << 27");
-	/* SMI instruction to call ROM Code API */
-	__asm__ __volatile__(".word 0xE1600070");
-	__asm__ __volatile__("mov r0, %0":"=r"(i));
-	__asm__ __volatile__("mov r12, %0":"=r"(j));
-}
-
 /******************************************************************************
  * Routine: try_unlock_sram()
  * Description: If chip is GP/EMU(special) type, unlock the SRAM for

arch/arm/cpu/armv7/omap3/cache.S

@@ -43,6 +43,7 @@
 .global invalidate_dcache
 .global l2_cache_enable
 .global l2_cache_disable
+.global setup_auxcr
 
 /*
  *	invalidate_dcache()
@@ -128,64 +129,56 @@ finished_inval:
 
 	ldmfd	r13!, {r0 - r5, r7, r9 - r12, pc}
 
-
-l2_cache_enable:
-	stmfd	r13!, {r0, r1, r2, lr}
-	@ ES2 onwards we can disable/enable L2 ourselves
+l2_cache_set:
+	stmfd	r13!, {r4 - r6, lr}
+	mov	r5,  r0
 	bl	get_cpu_rev
-	cmp	r0, #CPU_3XX_ES20
-	blt	l2_cache_disable_EARLIER_THAN_ES2
-	mrc	15, 0, r3, cr1, cr0, 1
-	orr	r3, r3, #2
-	mcr	15, 0, r3, cr1, cr0, 1
-	b	l2_cache_enable_END
-l2_cache_enable_EARLIER_THAN_ES2:
-	@ Save r0, r12 and restore them after usage
-	mov	r3, ip
-	str	r3, [sp, #4]
-	mov	r3, r0
-	@
+	mov	r4,  r0
+	bl	get_cpu_family
+	@ ES2 onwards we can disable/enable L2 ourselves
+	cmp	r0,  #CPU_OMAP34XX
+	cmpeq	r4,  #CPU_3XX_ES10
+	mrc	15, 0, r0, cr1, cr0, 1
+	bic	r0, r0, #2
+	orr	r0, r0, r5, lsl #1
+	mcreq	15, 0, r0, cr1, cr0, 1
 	@ GP Device ROM code API usage here
 	@ r12 = AUXCR Write function and r0 value
-	@
 	mov	ip, #3
-	mrc	15, 0, r0, cr1, cr0, 1
-	orr	r0, r0, #2
-	@ SMI instruction to call ROM Code API
-	.word	0xe1600070
-	mov	r0, r3
-	mov	ip, r3
-	str	r3, [sp, #4]
-l2_cache_enable_END:
-	ldmfd	r13!, {r1, r2, r3, pc}
+	@ SMCNE instruction to call ROM Code API
+	.word	0x11600070
+	ldmfd	r13!, {r4 - r6, pc}
 
+l2_cache_enable:
+	mov	r0, #1
+	b	l2_cache_set
 
 l2_cache_disable:
-	stmfd	r13!, {r0, r1, r2, lr}
-	@ ES2 onwards we can disable/enable L2 ourselves
-	bl	get_cpu_rev
-	cmp	r0, #CPU_3XX_ES20
-	blt	l2_cache_disable_EARLIER_THAN_ES2
-	mrc	15, 0, r3, cr1, cr0, 1
-	bic	r3, r3, #2
-	mcr	15, 0, r3, cr1, cr0, 1
-	b	l2_cache_disable_END
-l2_cache_disable_EARLIER_THAN_ES2:
-	@ Save r0, r12 and restore them after usage
-	mov	r3, ip
-	str	r3, [sp, #4]
-	mov	r3, r0
-	@
-	@ GP Device ROM code API usage here
-	@ r12 = AUXCR Write function and r0 value
-	@
-	mov	ip, #3
-	mrc	15, 0, r0, cr1, cr0, 1
-	bic	r0, r0, #2
-	@ SMI instruction to call ROM Code API
-	.word	0xe1600070
-	mov	r0, r3
-	mov	ip, r3
-	str	r3, [sp, #4]
-l2_cache_disable_END:
-	ldmfd	r13!, {r1, r2, r3, pc}
+	mov	r0, #0
+	b	l2_cache_set
+
+/******************************************************************************
+ * Routine: setup_auxcr()
+ * Description: Write to AuxCR desired value using SMI.
+ *              general use.
+ *****************************************************************************/
+setup_auxcr:
+	mrc	p15, 0, r0, c0, c0, 0		@ read main ID register
+	and	r2, r0, #0x00f00000		@ variant
+	and	r3, r0, #0x0000000f		@ revision
+	orr	r1, r3, r2, lsr #20-4		@ combine variant and revision
+	mov	r12, #0x3
+	mrc	p15, 0, r0, c1, c0, 1
+	orr	r0, r0, #0x10			@ Enable ASA
+	@ Enable L1NEON on pre-r2p1 (erratum 621766 workaround)
+	cmp	r1, #0x21
+	orrlt	r0, r0, #1 << 5
+	.word 0xE1600070			@ SMC
+	mov	r12, #0x2
+	mrc	p15, 1, r0, c9, c0, 2
+	@ Set PLD_FWD bit in L2AUXCR on pre-r2p1 (erratum 725233 workaround)
+	cmp	r1, #0x21
+	orrlt	r0, r0, #1 << 27
+	.word 0xE1600070			@ SMC
+	bx	lr
+

arch/arm/cpu/armv7/omap3/lowlevel_init.S

@@ -359,3 +359,72 @@ per_dpll_param:
 get_per_dpll_param:
 	adr	r0, per_dpll_param
 	mov	pc, lr
+
+/*
+ * Tables for 36XX/37XX devices
+ *
+ */
+mpu_36x_dpll_param:
+/* 12MHz */
+.word 50, 0, 0, 1
+/* 13MHz */
+.word 600, 12, 0, 1
+/* 19.2MHz */
+.word 125, 3, 0, 1
+/* 26MHz */
+.word 300, 12, 0, 1
+/* 38.4MHz */
+.word 125, 7, 0, 1
+
+iva_36x_dpll_param:
+/* 12MHz */
+.word 130, 2, 0, 1
+/* 13MHz */
+.word 20, 0, 0, 1
+/* 19.2MHz */
+.word 325, 11, 0, 1
+/* 26MHz */
+.word 10, 0, 0, 1
+/* 38.4MHz */
+.word 325, 23, 0, 1
+
+core_36x_dpll_param:
+/* 12MHz */
+.word 100, 2, 0, 1
+/* 13MHz */
+.word 400, 12, 0, 1
+/* 19.2MHz */
+.word 375, 17, 0, 1
+/* 26MHz */
+.word 200, 12, 0, 1
+/* 38.4MHz */
+.word 375, 35, 0, 1
+
+per_36x_dpll_param:
+/*    SYSCLK    M       N      M2      M3      M4     M5      M6      m2DIV */
+.word 12000,    360,    4,     9,      16,     5,     4,      3,      1
+.word 13000,    864,   12,     9,      16,     9,     4,      3,      1
+.word 19200,    360,    7,     9,      16,     5,     4,      3,      1
+.word 26000,    432,   12,     9,      16,     9,     4,      3,      1
+.word 38400,    360,   15,     9,      16,     5,     4,      3,      1
+
+.globl get_36x_mpu_dpll_param
+get_36x_mpu_dpll_param:
+	adr	r0, mpu_36x_dpll_param
+	mov	pc, lr
+
+.globl get_36x_iva_dpll_param
+get_36x_iva_dpll_param:
+	adr	r0, iva_36x_dpll_param
+	mov	pc, lr
+
+.globl get_36x_core_dpll_param
+get_36x_core_dpll_param:
+	adr	r0, core_36x_dpll_param
+	mov	pc, lr
+
+.globl get_36x_per_dpll_param
+get_36x_per_dpll_param:
+	adr	r0, per_36x_dpll_param
+	mov	pc, lr
+

arch/arm/cpu/armv7/omap3/sdrc.c

@@ -107,18 +107,12 @@ u32 get_sdr_cs_offset(u32 cs)
 /*
  * do_sdrc_init -
  *  - Initialize the SDRAM for use.
- *  - Sets up SDRC timings for CS0
  *  - code called once in C-Stack only context for CS0 and a possible 2nd
  *    time depending on memory configuration from stack+global context
  */
 void do_sdrc_init(u32 cs, u32 early)
 {
-	struct sdrc_actim *sdrc_actim_base;
-
-	if (cs)
-		sdrc_actim_base = (struct sdrc_actim *)SDRC_ACTIM_CTRL1_BASE;
-	else
-		sdrc_actim_base = (struct sdrc_actim *)SDRC_ACTIM_CTRL0_BASE;
+	struct sdrc_actim *sdrc_actim_base0, *sdrc_actim_base1;
 
 	if (early) {
 		/* reset sdrc controller */
@@ -138,24 +132,29 @@ void do_sdrc_init(u32 cs, u32 early)
 		sdelay(0x20000);
 	}
 
-	writel(RASWIDTH_13BITS | CASWIDTH_10BITS | ADDRMUXLEGACY |
-			RAMSIZE_128 | BANKALLOCATION | B32NOT16 | B32NOT16 |
-			DEEPPD | DDR_SDRAM, &sdrc_base->cs[cs].mcfg);
-	writel(ARCV | ARE_ARCV_1, &sdrc_base->cs[cs].rfr_ctrl);
-	writel(V_ACTIMA_165, &sdrc_actim_base->ctrla);
-	writel(V_ACTIMB_165, &sdrc_actim_base->ctrlb);
-
-	writel(CMD_NOP, &sdrc_base->cs[cs].manual);
-	writel(CMD_PRECHARGE, &sdrc_base->cs[cs].manual);
-	writel(CMD_AUTOREFRESH, &sdrc_base->cs[cs].manual);
-	writel(CMD_AUTOREFRESH, &sdrc_base->cs[cs].manual);
-
 	/*
-	 * CAS latency 3, Write Burst = Read Burst, Serial Mode,
-	 * Burst length = 4
+	 * SDRC timings are set up by x-load or config header
+	 * We don't need to redo them here.
+	 * Older x-loads configure only CS0
+	 * configure CS1 to handle this ommission
 	 */
-	writel(CASL3 | BURSTLENGTH4, &sdrc_base->cs[cs].mr);
+	if (cs) {
+		sdrc_actim_base0 = (struct sdrc_actim *)SDRC_ACTIM_CTRL0_BASE;
+		sdrc_actim_base1 = (struct sdrc_actim *)SDRC_ACTIM_CTRL1_BASE;
+		writel(readl(&sdrc_base->cs[CS0].mcfg),
+			&sdrc_base->cs[CS1].mcfg);
+		writel(readl(&sdrc_base->cs[CS0].rfr_ctrl),
+			&sdrc_base->cs[CS1].rfr_ctrl);
+		writel(readl(&sdrc_actim_base0->ctrla),
+			&sdrc_actim_base1->ctrla);
+		writel(readl(&sdrc_actim_base0->ctrlb),
+			&sdrc_actim_base1->ctrlb);
+	}
 
+	/*
+	 * Test ram in this bank
+	 * Disable if bad or not present
+	 */
 	if (!mem_ok(cs))
 		writel(0, &sdrc_base->cs[cs].mcfg);
 }

arch/arm/cpu/armv7/omap3/sys_info.c

@@ -38,7 +38,10 @@ static char *rev_s[CPU_3XX_MAX_REV] = {
 				"2.0",
 				"2.1",
 				"3.0",
-				"3.1"};
+				"3.1",
+				"UNKNOWN",
+				"UNKNOWN",
+				"3.1.2"};
 
 /*****************************************************************
  * dieid_num_r(void) - read and set die ID
@@ -75,32 +78,81 @@ u32 get_cpu_type(void)
 }
 
 /******************************************
- * get_cpu_rev(void) - extract version info
+ * get_cpu_id(void) - extract cpu id
+ * returns 0 for ES1.0, cpuid otherwise
  ******************************************/
-u32 get_cpu_rev(void)
+u32 get_cpu_id(void)
 {
-	u32 cpuid = 0;
 	struct ctrl_id *id_base;
+	u32 cpuid = 0;
 
 	/*
 	 * On ES1.0 the IDCODE register is not exposed on L4
 	 * so using CPU ID to differentiate between ES1.0 and > ES1.0.
 	 */
 	__asm__ __volatile__("mrc p15, 0, %0, c0, c0, 0":"=r"(cpuid));
-	if ((cpuid & 0xf) == 0x0)
-		return CPU_3XX_ES10;
-	else {
+	if ((cpuid & 0xf) == 0x0) {
+		return 0;
+	} else {
 		/* Decode the IDs on > ES1.0 */
 		id_base = (struct ctrl_id *) OMAP34XX_ID_L4_IO_BASE;
 
-		cpuid = (readl(&id_base->idcode) >> CPU_3XX_ID_SHIFT) & 0xf;
+		cpuid = readl(&id_base->idcode);
+	}
 
-		/* Some early ES2.0 seem to report ID 0, fix this */
-		if(cpuid == 0)
-			cpuid = CPU_3XX_ES20;
+	return cpuid;
+}
 
-		return cpuid;
+/******************************************
+ * get_cpu_family(void) - extract cpu info
+ ******************************************/
+u32 get_cpu_family(void)
+{
+	u16 hawkeye;
+	u32 cpu_family;
+	u32 cpuid = get_cpu_id();
+
+	if (cpuid == 0)
+		return CPU_OMAP34XX;
+
+	hawkeye = (cpuid >> HAWKEYE_SHIFT) & 0xffff;
+	switch (hawkeye) {
+	case HAWKEYE_OMAP34XX:
+		cpu_family = CPU_OMAP34XX;
+		break;
+	case HAWKEYE_AM35XX:
+		cpu_family = CPU_AM35XX;
+		break;
+	case HAWKEYE_OMAP36XX:
+		cpu_family = CPU_OMAP36XX;
+		break;
+	default:
+		cpu_family = CPU_OMAP34XX;
 	}
+
+	return cpu_family;
+}
+
+/******************************************
+ * get_cpu_rev(void) - extract version info
+ ******************************************/
+u32 get_cpu_rev(void)
+{
+	u32 cpuid = get_cpu_id();
+
+	if (cpuid == 0)
+		return CPU_3XX_ES10;
+	else
+		return (cpuid >> CPU_3XX_ID_SHIFT) & 0xf;
+}
+
+/*****************************************************************
+ * get_sku_id(void) - read sku_id to get info on max clock rate
+ *****************************************************************/
+u32 get_sku_id(void)
+{
+	struct ctrl_id *id_base = (struct ctrl_id *)OMAP34XX_ID_L4_IO_BASE;
+	return readl(&id_base->sku_id) & SKUID_CLK_MASK;
 }
 
 /***************************************************************************
@@ -213,24 +265,66 @@ u32 get_device_type(void)
  */
 int print_cpuinfo (void)
 {
-	char *cpu_s, *sec_s;
+	char *cpu_family_s, *cpu_s, *sec_s, *max_clk;
+
+	switch (get_cpu_family()) {
+	case CPU_OMAP34XX:
+		cpu_family_s = "OMAP";
+		switch (get_cpu_type()) {
+		case OMAP3503:
+			cpu_s = "3503";
+			break;
+		case OMAP3515:
+			cpu_s = "3515";
+			break;
+		case OMAP3525:
+			cpu_s = "3525";
+			break;
+		case OMAP3530:
+			cpu_s = "3530";
+			break;
+		default:
+			cpu_s = "35XX";
+			break;
+		}
+		if ((get_cpu_rev() >= CPU_3XX_ES31) &&
+		    (get_sku_id() == SKUID_CLK_720MHZ))
+			max_clk = "720 mHz";
+		else
+			max_clk = "600 mHz";
 
-	switch (get_cpu_type()) {
-	case OMAP3503:
-		cpu_s = "3503";
 		break;
-	case OMAP3515:
-		cpu_s = "3515";
+	case CPU_AM35XX:
+		cpu_family_s = "AM";
+		switch (get_cpu_type()) {
+		case AM3505:
+			cpu_s = "3505";
+			break;
+		case AM3517:
+			cpu_s = "3517";
+			break;
+		default:
+			cpu_s = "35XX";
+			break;
+		}
+		max_clk = "600 Mhz";
 		break;
-	case OMAP3525:
-		cpu_s = "3525";
-		break;
-	case OMAP3530:
-		cpu_s = "3530";
+	case CPU_OMAP36XX:
+		cpu_family_s = "OMAP";
+		switch (get_cpu_type()) {
+		case OMAP3730:
+			cpu_s = "3630/3730";
+			break;
+		default:
+			cpu_s = "36XX/37XX";
+			break;
+		}
+		max_clk = "1 Ghz";
 		break;
 	default:
+		cpu_family_s = "OMAP";
 		cpu_s = "35XX";
-		break;
+		max_clk = "600 Mhz";
 	}
 
 	switch (get_device_type()) {
@@ -250,8 +344,9 @@ int print_cpuinfo (void)
 		sec_s = "?";
 	}
 
-	printf("OMAP%s-%s ES%s, CPU-OPP2 L3-165MHz\n",
-			cpu_s, sec_s, rev_s[get_cpu_rev()]);
+	printf("%s%s-%s ES%s, CPU-OPP2, L3-165MHz, Max CPU Clock %s\n",
+			cpu_family_s, cpu_s, sec_s,
+			rev_s[get_cpu_rev()], max_clk);
 
 	return 0;
 }

arch/arm/include/asm/arch-omap3/clocks.h

@@ -51,12 +51,29 @@ typedef struct {
 	unsigned int m2;
 } dpll_param;
 
+struct dpll_per_36x_param {
+	unsigned int sys_clk;
+	unsigned int m;
+	unsigned int n;
+	unsigned int m2;
+	unsigned int m3;
+	unsigned int m4;
+	unsigned int m5;
+	unsigned int m6;
+	unsigned int m2div;
+};
+
 /* Following functions are exported from lowlevel_init.S */
 extern dpll_param *get_mpu_dpll_param(void);
 extern dpll_param *get_iva_dpll_param(void);
 extern dpll_param *get_core_dpll_param(void);
 extern dpll_param *get_per_dpll_param(void);
 
+extern dpll_param *get_36x_mpu_dpll_param(void);
+extern dpll_param *get_36x_iva_dpll_param(void);
+extern dpll_param *get_36x_core_dpll_param(void);
+extern dpll_param *get_36x_per_dpll_param(void);
+
 extern void *_end_vect, *_start;
 
 #endif

arch/arm/include/asm/arch-omap3/clocks_omap3.h

@@ -282,4 +282,31 @@
 #define PER_FSEL_38P4		0x07
 #define PER_M2_38P4		0x09
 
+/* 36XX PER DPLL */
+
+#define PER_36XX_M_12		0x1B0
+#define PER_36XX_N_12		0x05
+#define PER_36XX_FSEL_12	0x07
+#define PER_36XX_M2_12		0x09
+
+#define PER_36XX_M_13		0x360
+#define PER_36XX_N_13		0x0C
+#define PER_36XX_FSEL_13	0x03
+#define PER_36XX_M2_13		0x09
+
+#define PER_36XX_M_19P2		0x1C2
+#define PER_36XX_N_19P2		0x09
+#define PER_36XX_FSEL_19P2	0x07
+#define PER_36XX_M2_19P2	0x09
+
+#define PER_36XX_M_26		0x1B0
+#define PER_36XX_N_26		0x0C
+#define PER_36XX_FSEL_26	0x07
+#define PER_36XX_M2_26		0x09
+
+#define PER_36XX_M_38P4		0x1C2
+#define PER_36XX_N_38P4		0x13
+#define PER_36XX_FSEL_38P4	0x07
+#define PER_36XX_M2_38P4	0x09
+
 #endif	/* endif _CLOCKS_OMAP3_H_ */

arch/arm/include/asm/arch-omap3/cpu.h

@@ -60,19 +60,14 @@ struct ctrl {
 #endif /* __ASSEMBLY__ */
 #endif /* __KERNEL_STRICT_NAMES */
 
-/* cpu type */
-#define OMAP3503		0x5c00
-#define OMAP3515		0x1c00
-#define OMAP3525		0x4c00
-#define OMAP3530		0x0c00
-
 #ifndef __KERNEL_STRICT_NAMES
 #ifndef __ASSEMBLY__
 struct ctrl_id {
 	u8 res1[0x4];
 	u32 idcode;		/* 0x04 */
 	u32 prod_id;		/* 0x08 */
-	u8 res2[0x0C];
+	u32 sku_id;		/* 0x0c */
+	u8 res2[0x08];
 	u32 die_id_0;		/* 0x18 */
 	u32 die_id_1;		/* 0x1C */
 	u32 die_id_2;		/* 0x20 */
@@ -89,6 +84,11 @@ struct ctrl_id {
 #define HS_DEVICE		0x2
 #define GP_DEVICE		0x3
 
+/* device speed */
+#define SKUID_CLK_MASK		0xf
+#define SKUID_CLK_600MHZ	0x0
+#define SKUID_CLK_720MHZ	0x8
+
 #define GPMC_BASE		(OMAP34XX_GPMC_BASE)
 #define GPMC_CONFIG_CS0		0x60
 #define GPMC_CONFIG_CS0_BASE	(GPMC_BASE + GPMC_CONFIG_CS0)
@@ -419,6 +419,7 @@ struct prm {
 };
 #else /* __ASSEMBLY__ */
 #define PRM_RSTCTRL		0x48307250
+#define PRM_RSTCTRL_RESET	0x04
 #endif /* __ASSEMBLY__ */
 #endif /* __KERNEL_STRICT_NAMES */
 

arch/arm/include/asm/arch-omap3/omap3.h

@@ -176,11 +176,41 @@ struct gpio {
 #define CPU_3XX_ES21		2
 #define CPU_3XX_ES30		3
 #define CPU_3XX_ES31		4
-#define CPU_3XX_MAX_REV		(CPU_3XX_ES31 + 1)
+#define CPU_3XX_ES312		7
+#define CPU_3XX_MAX_REV		8
 
 #define CPU_3XX_ID_SHIFT	28
 
 #define WIDTH_8BIT		0x0000
 #define WIDTH_16BIT		0x1000	/* bit pos for 16 bit in gpmc */
 
+/*
+ * Hawkeye values
+ */
+#define HAWKEYE_OMAP34XX	0xb7ae
+#define HAWKEYE_AM35XX		0xb868
+#define HAWKEYE_OMAP36XX	0xb891
+
+#define HAWKEYE_SHIFT		12
+
+/*
+ * Define CPU families
+ */
+#define CPU_OMAP34XX		0x3400	/* OMAP34xx/OMAP35 devices */
+#define CPU_AM35XX		0x3500	/* AM35xx devices          */
+#define CPU_OMAP36XX		0x3600	/* OMAP36xx devices        */
+
+/*
+ * Control status register values corresponding to cpu variants
+ */
+#define OMAP3503		0x5c00
+#define OMAP3515		0x1c00
+#define OMAP3525		0x4c00
+#define OMAP3530		0x0c00
+
+#define AM3505			0x5c00
+#define AM3517			0x1c00
+
+#define OMAP3730		0x0c00
+
 #endif

arch/arm/include/asm/arch-omap3/sys_proto.h

@@ -41,7 +41,9 @@ void enable_gpmc_cs_config(const u32 *gpmc_config, struct gpmc_cs *cs, u32 base,
 void watchdog_init(void);
 void set_muxconf_regs(void);
 
+u32 get_cpu_family(void);
 u32 get_cpu_rev(void);
+u32 get_sku_id(void);
 u32 get_mem_type(void);
 u32 get_sysboot_value(void);
 u32 is_gpmc_muxed(void);

arch/arm/include/asm/arch-omap4/omap4.h

@@ -88,6 +88,7 @@
 #define PRM_DEVICE_BASE		(PRM_BASE + 0x1B00)
 
 #define PRM_RSTCTRL		PRM_DEVICE_BASE
+#define PRM_RSTCTRL_RESET	0x01
 
 #ifndef __ASSEMBLY__
 

arch/arm/include/asm/arch-omap4/sys_proto.h

@@ -33,6 +33,9 @@ void watchdog_init(void);
 u32 get_device_type(void);
 void invalidate_dcache(u32);
 void set_muxconf_regs(void);
+void sr32(void *, u32, u32, u32);
+u32 wait_on_value(u32, u32, void *, u32);
+void sdelay(unsigned long);
 
 extern const struct omap_sysinfo sysinfo;
 

board/overo/overo.c

@@ -43,6 +43,17 @@
 static void setup_net_chip(void);
 #endif
 
+/* GPMC definitions for LAN9221 chips on Tobi expansion boards */
+static const u32 gpmc_lan_config[] = {
+    NET_LAN9221_GPMC_CONFIG1,
+    NET_LAN9221_GPMC_CONFIG2,
+    NET_LAN9221_GPMC_CONFIG3,
+    NET_LAN9221_GPMC_CONFIG4,
+    NET_LAN9221_GPMC_CONFIG5,
+    NET_LAN9221_GPMC_CONFIG6,
+    /*CONFIG7- computed as params */
+};
+
 /*
  * Routine: board_init
  * Description: Early hardware init.
@@ -60,6 +71,70 @@ int board_init(void)
 	return 0;
 }
 
+/*
+ * Routine: get_board_revision
+ * Description: Returns the board revision
+ */
+int get_board_revision(void)
+{
+	int revision;
+
+	if (!omap_request_gpio(112) &&
+	    !omap_request_gpio(113) &&
+	    !omap_request_gpio(115)) {
+
+		omap_set_gpio_direction(112, 1);
+		omap_set_gpio_direction(113, 1);
+		omap_set_gpio_direction(115, 1);
+
+		revision = omap_get_gpio_datain(115) << 2 |
+			   omap_get_gpio_datain(113) << 1 |
+			   omap_get_gpio_datain(112);
+
+		omap_free_gpio(112);
+		omap_free_gpio(113);
+		omap_free_gpio(115);
+	} else {
+		printf("Error: unable to acquire board revision GPIOs\n");
+		revision = -1;
+	}
+
+	return revision;
+}
+
+/*
+ * Routine: get_sdio2_config
+ * Description: Return information about the wifi module connection
+ *              Returns 0 if the module connects though a level translator
+ *              Returns 1 if the module connects directly
+ */
+int get_sdio2_config(void)
+{
+	int sdio_direct;
+
+	if (!omap_request_gpio(130) && !omap_request_gpio(139)) {
+
+		omap_set_gpio_direction(130, 0);
+		omap_set_gpio_direction(139, 1);
+
+		sdio_direct = 1;
+		omap_set_gpio_dataout(130, 0);
+		if (omap_get_gpio_datain(139) == 0) {
+			omap_set_gpio_dataout(130, 1);
+			if (omap_get_gpio_datain(139) == 1)
+				sdio_direct = 0;
+		}
+
+		omap_free_gpio(130);
+		omap_free_gpio(139);
+	} else {
+		printf("Error: unable to acquire sdio2 clk GPIOs\n");
+		sdio_direct = -1;
+	}
+
+	return sdio_direct;
+}
+
 /*
  * Routine: misc_init_r
  * Description: Configure board specific parts
@@ -73,6 +148,21 @@ int misc_init_r(void)
 	setup_net_chip();
 #endif
 
+	printf("Board revision: %d\n", get_board_revision());
+
+	switch (get_sdio2_config()) {
+	case 0:
+		printf("Tranceiver detected on mmc2\n");
+		MUX_OVERO_SDIO2_TRANSCEIVER();
+		break;
+	case 1:
+		printf("Direct connection on mmc2\n");
+		MUX_OVERO_SDIO2_DIRECT();
+		break;
+	default:
+		printf("Unable to detect mmc2 connection type\n");
+	}
+
 	dieid_num_r();
 
 	return 0;
@@ -99,14 +189,13 @@ static void setup_net_chip(void)
 {
 	struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
 
-	/* Configure GPMC registers */
-	writel(NET_LAN9221_GPMC_CONFIG1, &gpmc_cfg->cs[5].config1);
-	writel(NET_LAN9221_GPMC_CONFIG2, &gpmc_cfg->cs[5].config2);
-	writel(NET_LAN9221_GPMC_CONFIG3, &gpmc_cfg->cs[5].config3);
-	writel(NET_LAN9221_GPMC_CONFIG4, &gpmc_cfg->cs[5].config4);
-	writel(NET_LAN9221_GPMC_CONFIG5, &gpmc_cfg->cs[5].config5);
-	writel(NET_LAN9221_GPMC_CONFIG6, &gpmc_cfg->cs[5].config6);
-	writel(NET_LAN9221_GPMC_CONFIG7, &gpmc_cfg->cs[5].config7);
+	/* first lan chip */
+	enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5], 0x2C000000,
+			GPMC_SIZE_16M);
+
+	/* second lan chip */
+	enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[4], 0x2B000000,
+			GPMC_SIZE_16M);
 
 	/* Enable off mode for NWE in PADCONF_GPMC_NWE register */
 	writew(readw(&ctrl_base ->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe);

board/overo/overo.h

@@ -138,7 +138,7 @@ const omap3_sysinfo sysinfo = {
 	MUX_VAL(CP(GPMC_WAIT1),		(IEN  | PTU | EN  | M0)) /*GPMC_WAIT1*/\
 	MUX_VAL(CP(GPMC_WAIT2),		(IEN  | PTU | EN  | M4)) /*GPIO_64*/\
 								 /* - SMSC911X_NRES*/\
-	MUX_VAL(CP(GPMC_WAIT3),		(IEN  | PTU | EN  | M0)) /*GPMC_nCS3*/\
+	MUX_VAL(CP(GPMC_WAIT3),		(IEN  | PTU | DIS | M4)) /*GPIO_65*/\
  /*DSS*/\
 	MUX_VAL(CP(DSS_PCLK),		(IDIS | PTD | DIS | M0)) /*DSS_PCLK*/\
 	MUX_VAL(CP(DSS_HSYNC),		(IDIS | PTD | DIS | M0)) /*DSS_HSYNC*/\
@@ -189,18 +189,18 @@ const omap3_sysinfo sysinfo = {
 	MUX_VAL(CP(CAM_XCLKB),		(IDIS | PTD | DIS | M0)) /*CAM_XCLKB*/\
 	MUX_VAL(CP(CAM_WEN),		(IEN  | PTD | DIS | M0)) /*CAM_WEN*/\
 	MUX_VAL(CP(CAM_STROBE),		(IDIS | PTD | DIS | M0)) /*CAM_STROBE*/\
-	MUX_VAL(CP(CSI2_DX0),		(IEN  | PTD | DIS | M0)) /*CSI2_DX0*/\
-	MUX_VAL(CP(CSI2_DY0),		(IEN  | PTD | DIS | M0)) /*CSI2_DY0*/\
+	MUX_VAL(CP(CSI2_DX0),		(IEN  | PTD | EN  | M4)) /*GPIO_112*/\
+	MUX_VAL(CP(CSI2_DY0),		(IEN  | PTD | EN  | M4)) /*GPIO_113*/\
 	MUX_VAL(CP(CSI2_DX1),		(IEN  | PTD | EN  | M4)) /*GPIO_114*/\
 								 /* - PEN_DOWN*/\
-	MUX_VAL(CP(CSI2_DY1),		(IEN  | PTU | EN  | M4)) /*GPIO_115*/\
+	MUX_VAL(CP(CSI2_DY1),		(IEN  | PTD | EN  | M4)) /*GPIO_115*/\
  /*Audio Interface */\
 	MUX_VAL(CP(MCBSP2_FSX),		(IEN  | PTD | DIS | M0)) /*McBSP2_FSX*/\
 	MUX_VAL(CP(MCBSP2_CLKX),	(IEN  | PTD | DIS | M0)) /*McBSP2_CLKX*/\
 	MUX_VAL(CP(MCBSP2_DR),		(IEN  | PTD | DIS | M0)) /*McBSP2_DR*/\
 	MUX_VAL(CP(MCBSP2_DX),		(IDIS | PTD | DIS | M0)) /*McBSP2_DX*/\
  /*Expansion card */\
-	MUX_VAL(CP(MMC1_CLK),		(IDIS | PTU | EN  | M0)) /*MMC1_CLK*/\
+	MUX_VAL(CP(MMC1_CLK),		(IEN  | PTU | EN  | M0)) /*MMC1_CLK*/\
 	MUX_VAL(CP(MMC1_CMD),		(IEN  | PTU | EN  | M0)) /*MMC1_CMD*/\
 	MUX_VAL(CP(MMC1_DAT0),		(IEN  | PTU | EN  | M0)) /*MMC1_DAT0*/\
 	MUX_VAL(CP(MMC1_DAT1),		(IEN  | PTU | EN  | M0)) /*MMC1_DAT1*/\
@@ -211,7 +211,7 @@ const omap3_sysinfo sysinfo = {
 	MUX_VAL(CP(MMC1_DAT6),		(IEN  | PTU | EN  | M0)) /*MMC1_DAT6*/\
 	MUX_VAL(CP(MMC1_DAT7),		(IEN  | PTU | EN  | M0)) /*MMC1_DAT7*/\
  /*Wireless LAN */\
-	MUX_VAL(CP(MMC2_CLK),		(IEN  | PTU | EN  | M0)) /*MMC2_CLK*/\
+	MUX_VAL(CP(MMC2_CLK),		(IEN  | PTU | EN  | M4)) /*GPIO_130*/\
 	MUX_VAL(CP(MMC2_CMD),		(IEN  | PTU | EN  | M0)) /*MMC2_CMD*/\
 	MUX_VAL(CP(MMC2_DAT0),		(IEN  | PTU | EN  | M0)) /*MMC2_DAT0*/\
 	MUX_VAL(CP(MMC2_DAT1),		(IEN  | PTU | EN  | M0)) /*MMC2_DAT1*/\
@@ -220,7 +220,7 @@ const omap3_sysinfo sysinfo = {
 	MUX_VAL(CP(MMC2_DAT4),		(IEN  | PTU | EN  | M1)) /*MMC2_DIR_DAT0*/\
 	MUX_VAL(CP(MMC2_DAT5),		(IEN  | PTU | EN  | M1)) /*MMC2_DIR_DAT1*/\
 	MUX_VAL(CP(MMC2_DAT6),		(IEN  | PTU | EN  | M1)) /*MMC2_DIR_CMD*/\
-	MUX_VAL(CP(MMC2_DAT7),		(IEN  | PTU | EN  | M1)) /*MMC2_CLKIN*/\
+	MUX_VAL(CP(MMC2_DAT7),		(IEN  | PTU | EN  | M4)) /*GPIO_139*/\
  /*Bluetooth*/\
 	MUX_VAL(CP(MCBSP3_DX),		(IEN  | PTD | DIS | M1)) /*UART2_CTS*/\
 	MUX_VAL(CP(MCBSP3_DR),		(IDIS | PTD | DIS | M1)) /*UART2_RTS*/\
@@ -301,7 +301,7 @@ const omap3_sysinfo sysinfo = {
 	MUX_VAL(CP(SYS_OFF_MODE),	(IEN  | PTD | DIS | M0)) /*SYS_OFF_MODE*/\
 	MUX_VAL(CP(SYS_CLKOUT1),	(IEN  | PTD | DIS | M0)) /*SYS_CLKOUT1*/\
 	MUX_VAL(CP(SYS_CLKOUT2),	(IEN  | PTU | EN  | M4)) /*GPIO_186*/\
-	MUX_VAL(CP(ETK_CLK_ES2),	(IDIS | PTU | EN  | M2)) /*MMC3_CLK*/\
+	MUX_VAL(CP(ETK_CLK_ES2),	(IEN  | PTU | EN  | M2)) /*MMC3_CLK*/\
 	MUX_VAL(CP(ETK_CTL_ES2),	(IEN  | PTU | EN  | M2)) /*MMC3_CMD*/\
 	MUX_VAL(CP(ETK_D0_ES2),		(IEN  | PTU | EN  | M4)) /*GPIO_14*/\
 	MUX_VAL(CP(ETK_D1_ES2),		(IEN  | PTD | EN  | M4)) /*GPIO_15 - X_GATE*/\
@@ -387,5 +387,36 @@ const omap3_sysinfo sysinfo = {
 	MUX_VAL(CP(SDRC_CKE0),		(IDIS | PTU | EN  | M0)) /*sdrc_cke0*/\
 	MUX_VAL(CP(SDRC_CKE1),		(IDIS | PTU | EN  | M0)) /*sdrc_cke1*/
 
+#define MUX_OVERO_SDIO2_DIRECT() \
+	MUX_VAL(CP(MMC2_CLK),		(IEN  | PTU | EN  | M0)) /*MMC2_CLK*/\
+	MUX_VAL(CP(MMC2_CMD),		(IEN  | PTU | EN  | M0)) /*MMC2_CMD*/\
+	MUX_VAL(CP(MMC2_DAT0),		(IEN  | PTU | EN  | M0)) /*MMC2_DAT0*/\
+	MUX_VAL(CP(MMC2_DAT1),		(IEN  | PTU | EN  | M0)) /*MMC2_DAT1*/\
+	MUX_VAL(CP(MMC2_DAT2),		(IEN  | PTU | EN  | M0)) /*MMC2_DAT2*/\
+	MUX_VAL(CP(MMC2_DAT3),		(IEN  | PTU | EN  | M0)) /*MMC2_DAT3*/\
+	MUX_VAL(CP(MMC2_DAT4),		(IEN  | PTU | EN  | M0)) /*MMC2_DAT4*/\
+	MUX_VAL(CP(MMC2_DAT5),		(IEN  | PTU | EN  | M0)) /*MMC2_DAT5*/\
+	MUX_VAL(CP(MMC2_DAT6),		(IEN  | PTU | EN  | M0)) /*MMC2_DAT6*/\
+	MUX_VAL(CP(MMC2_DAT7),		(IEN  | PTU | EN  | M0)) /*MMC2_DAT7*/\
+	MUX_VAL(CP(MMC1_DAT4),		(IEN  | PTD | EN  | M4)) /*GPIO_126*/\
+	MUX_VAL(CP(MMC1_DAT5),		(IEN  | PTU | EN  | M4)) /*GPIO_127*/\
+	MUX_VAL(CP(MMC1_DAT6),		(IEN  | PTU | EN  | M4)) /*GPIO_128*/\
+	MUX_VAL(CP(MMC1_DAT7),		(IEN  | PTU | EN  | M4)) /*GPIO_129*/
+
+#define MUX_OVERO_SDIO2_TRANSCEIVER() \
+	MUX_VAL(CP(MMC2_CLK),		(IEN  | PTU | EN  | M0)) /*MMC2_CLK*/\
+	MUX_VAL(CP(MMC2_CMD),		(IEN  | PTU | EN  | M0)) /*MMC2_CMD*/\
+	MUX_VAL(CP(MMC2_DAT0),		(IEN  | PTU | EN  | M0)) /*MMC2_DAT0*/\
+	MUX_VAL(CP(MMC2_DAT1),		(IEN  | PTU | EN  | M0)) /*MMC2_DAT1*/\
+	MUX_VAL(CP(MMC2_DAT2),		(IEN  | PTU | EN  | M0)) /*MMC2_DAT2*/\
+	MUX_VAL(CP(MMC2_DAT3),		(IEN  | PTU | EN  | M0)) /*MMC2_DAT3*/\
+	MUX_VAL(CP(MMC2_DAT4),		(IEN  | PTU | EN  | M1)) /*MMC2_DIR_DAT0*/\
+	MUX_VAL(CP(MMC2_DAT5),		(IEN  | PTU | EN  | M1)) /*MMC2_DIR_DAT1*/\
+	MUX_VAL(CP(MMC2_DAT6),		(IEN  | PTU | EN  | M1)) /*MMC2_DIR_CMD*/\
+	MUX_VAL(CP(MMC2_DAT7),		(IEN  | PTU | EN  | M1)) /*MMC2_CLKIN*/\
+	MUX_VAL(CP(MMC1_DAT4),		(IEN  | PTU | EN  | M4)) /*GPIO_126*/\
+	MUX_VAL(CP(MMC1_DAT5),		(IEN  | PTU | EN  | M4)) /*GPIO_127*/\
+	MUX_VAL(CP(MMC1_DAT6),		(IEN  | PTU | EN  | M4)) /*GPIO_128*/\
+	MUX_VAL(CP(MMC1_DAT7),		(IEN  | PTU | EN  | M4)) /*GPIO_129*/
 
 #endif

board/ti/beagle/beagle.c

@@ -38,8 +38,6 @@
 #include <asm/mach-types.h>
 #include "beagle.h"
 
-static int beagle_revision_c;
-
 /*
  * Routine: board_init
  * Description: Early hardware init.
@@ -58,43 +56,41 @@ int board_init(void)
 }
 
 /*
- * Routine: beagle_get_revision
- * Description: Return the revision of the BeagleBoard this code is running on.
- *              If it is a revision Ax/Bx board, this function returns 0,
- *              on a revision C board you will get a 1.
+ * Routine: get_board_revision
+ * Description: Detect if we are running on a Beagle revision Ax/Bx,
+ *		C1/2/3, C4 or xM. This can be done by reading
+ *		the level of GPIO173, GPIO172 and GPIO171. This should
+ *		result in
+ *		GPIO173, GPIO172, GPIO171: 1 1 1 => Ax/Bx
+ *		GPIO173, GPIO172, GPIO171: 1 1 0 => C1/2/3
+ *		GPIO173, GPIO172, GPIO171: 1 0 1 => C4
+ *		GPIO173, GPIO172, GPIO171: 0 0 0 => xM
  */
-int beagle_get_revision(void)
+int get_board_revision(void)
 {
-	return beagle_revision_c;
-}
+	int revision;
 
-/*
- * Routine: beagle_identify
- * Description: Detect if we are running on a Beagle revision Ax/Bx or
- *              Cx. This can be done by GPIO_171. If this is low, we are
- *              running on a revision C board.
- */
-void beagle_identify(void)
-{
-	beagle_revision_c = 0;
-	if (!omap_request_gpio(171)) {
-		unsigned int val;
+	if (!omap_request_gpio(171) &&
+	    !omap_request_gpio(172) &&
+	    !omap_request_gpio(173)) {
 
 		omap_set_gpio_direction(171, 1);
-		val = omap_get_gpio_datain(171);
-		omap_free_gpio(171);
+		omap_set_gpio_direction(172, 1);
+		omap_set_gpio_direction(173, 1);
 
-		if (val)
-			beagle_revision_c = 0;
-		else
-			beagle_revision_c = 1;
+		revision = omap_get_gpio_datain(173) << 2 |
+			   omap_get_gpio_datain(172) << 1 |
+			   omap_get_gpio_datain(171);
+
+		omap_free_gpio(171);
+		omap_free_gpio(172);
+		omap_free_gpio(173);
+	} else {
+		printf("Error: unable to acquire board revision GPIOs\n");
+		revision = -1;
 	}
 
-	printf("Board revision ");
-	if (beagle_revision_c)
-		printf("C\n");
-	else
-		printf("Ax/Bx\n");
+	return revision;
 }
 
 /*
@@ -106,6 +102,44 @@ int misc_init_r(void)
 	struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE;
 	struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE;
 
+	switch (get_board_revision()) {
+	case REVISION_AXBX:
+		printf("Beagle Rev Ax/Bx\n");
+		setenv("beaglerev", "AxBx");
+		setenv("mpurate", "600");
+		break;
+	case REVISION_CX:
+		printf("Beagle Rev C1/C2/C3\n");
+		setenv("beaglerev", "Cx");
+		setenv("mpurate", "600");
+		MUX_BEAGLE_C();
+		break;
+	case REVISION_C4:
+		printf("Beagle Rev C4\n");
+		setenv("beaglerev", "C4");
+		setenv("mpurate", "720");
+		MUX_BEAGLE_C();
+		/* Set VAUX2 to 1.8V for EHCI PHY */
+		twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
+					TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
+					TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
+					TWL4030_PM_RECEIVER_DEV_GRP_P1);
+		break;
+	case REVISION_XM:
+		printf("Beagle xM Rev A\n");
+		setenv("beaglerev", "xMA");
+		setenv("mpurate", "1000");
+		MUX_BEAGLE_XM();
+		/* Set VAUX2 to 1.8V for EHCI PHY */
+		twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
+					TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
+					TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
+					TWL4030_PM_RECEIVER_DEV_GRP_P1);
+		break;
+	default:
+		printf("Beagle unknown 0x%02x\n", get_board_revision());
+	}
+
 	twl4030_power_init();
 	twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
 
@@ -120,8 +154,6 @@ int misc_init_r(void)
 	writel(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 |
 		GPIO15 | GPIO14 | GPIO13 | GPIO12, &gpio5_base->setdataout);
 
-	beagle_identify();
-
 	dieid_num_r();
 
 	return 0;
@@ -136,8 +168,4 @@ int misc_init_r(void)
 void set_muxconf_regs(void)
 {
 	MUX_BEAGLE();
-
-	if (beagle_revision_c) {
-		MUX_BEAGLE_C();
-	}
 }