OMAP3: Add OMAP3 auto detection

This patch adds OMAP3 cpu type auto detection based on OMAP3 register
and removes hardcoded values.

Signed-off-by: Steve Sakoman <sakoman@gmail.com>
Signed-off-by: Dirk Behme <dirk.behme@googlemail.com>

8 files changed, 49 insertions, 8 deletions

diff --git a/board/omap3/beagle/beagle.h b/board/omap3/beagle/beagle.h
index 3f2a4dc..d66f159 100644
--- a/board/omap3/beagle/beagle.h
+++ b/board/omap3/beagle/beagle.h
@@ -27,7 +27,6 @@ const omap3_sysinfo sysinfo = {
 	SDP_3430_V1,
 	SDP_3430_V2,
 	DDR_STACKED,
-	"3530",
 	"OMAP3 Beagle board",
 #if defined(CONFIG_ENV_IS_IN_ONENAND)
 	"OneNAND",
diff --git a/board/omap3/evm/evm.h b/board/omap3/evm/evm.h
index 4ecea7f..199824f 100644
--- a/board/omap3/evm/evm.h
+++ b/board/omap3/evm/evm.h
@@ -27,7 +27,6 @@ const omap3_sysinfo sysinfo = {
 	OMAP3EVM_V1,
 	OMAP3EVM_V2,
 	DDR_DISCRETE,
-	"35X-Family",
 	"OMAP3 EVM board",
 #if defined(CONFIG_ENV_IS_IN_ONENAND)
 	"OneNAND",
diff --git a/board/omap3/overo/overo.h b/board/omap3/overo/overo.h
index f44b2ad..71de3f1 100644
--- a/board/omap3/overo/overo.h
+++ b/board/omap3/overo/overo.h
@@ -27,7 +27,6 @@ const omap3_sysinfo sysinfo = {
 	SDP_3430_V1,
 	SDP_3430_V2,
 	DDR_STACKED,
-	"3503",
 	"Gumstix Overo board",
 #if defined(CONFIG_ENV_IS_IN_ONENAND)
 	"OneNAND",
diff --git a/board/omap3/pandora/pandora.h b/board/omap3/pandora/pandora.h
index 8525a03..f845504 100644
--- a/board/omap3/pandora/pandora.h
+++ b/board/omap3/pandora/pandora.h
@@ -27,7 +27,6 @@ const omap3_sysinfo sysinfo = {
 	SDP_3430_V1,
 	SDP_3430_V2,
 	DDR_STACKED,
-	"3530",
 	"OMAP3 Pandora",
 	"NAND",
 };
diff --git a/board/omap3/zoom1/zoom1.h b/board/omap3/zoom1/zoom1.h
index d389492..bc8fba8 100644
--- a/board/omap3/zoom1/zoom1.h
+++ b/board/omap3/zoom1/zoom1.h
@@ -31,7 +31,6 @@ const omap3_sysinfo sysinfo = {
 	SDP_3430_V1,
 	SDP_3430_V2,
 	DDR_STACKED,
-	"3430",
 	"OMAP3 Zoom MDK Rev 1",
 	"NAND",
 };
diff --git a/cpu/arm_cortexa8/omap3/sys_info.c b/cpu/arm_cortexa8/omap3/sys_info.c
index ab012b6..28a1020 100644
--- a/cpu/arm_cortexa8/omap3/sys_info.c
+++ b/cpu/arm_cortexa8/omap3/sys_info.c
@@ -37,6 +37,14 @@ static sdrc_t *sdrc_base = (sdrc_t *)OMAP34XX_SDRC_BASE;
 static ctrl_t *ctrl_base = (ctrl_t *)OMAP34XX_CTRL_BASE;
 
 /******************************************
+ * get_cpu_type(void) - extract cpu info
+ ******************************************/
+u32 get_cpu_type(void)
+{
+	return readl(&ctrl_base->ctrl_omap_stat);
+}
+
+/******************************************
  * get_cpu_rev(void) - extract version info
  ******************************************/
 u32 get_cpu_rev(void)
@@ -156,7 +164,25 @@ u32 get_board_rev(void)
  *********************************************************************/
 void display_board_info(u32 btype)
 {
-	char *mem_s, *sec_s;
+	char *cpu_s, *mem_s, *sec_s;
+
+	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 (is_mem_sdr())
 		mem_s = "mSDR";
@@ -180,7 +206,8 @@ void display_board_info(u32 btype)
 		sec_s = "?";
 	}
 
-	printf("OMAP%s-%s rev %d, CPU-OPP2 L3-165MHz\n", sysinfo.cpu_string,
+
+	printf("OMAP%s-%s rev %d, CPU-OPP2 L3-165MHz\n", cpu_s,
 	       sec_s, get_cpu_rev());
 	printf("%s + %s/%s\n", sysinfo.board_string,
 	       mem_s, sysinfo.nand_string);
diff --git a/include/asm-arm/arch-omap3/cpu.h b/include/asm-arm/arch-omap3/cpu.h
index 69c0b36..5b344f8 100644
--- a/include/asm-arm/arch-omap3/cpu.h
+++ b/include/asm-arm/arch-omap3/cpu.h
@@ -35,11 +35,31 @@ typedef struct ctrl {
 	unsigned short gpmc_nwe;	/* 0xC4 */
 	unsigned char res2[0x22A];
 	unsigned int status;		/* 0x2F0 */
+	unsigned int gpstatus;		/* 0x2F4 */
+	unsigned char res3[0x08];
+	unsigned int rpubkey_0;		/* 0x300 */
+	unsigned int rpubkey_1;		/* 0x304 */
+	unsigned int rpubkey_2;		/* 0x308 */
+	unsigned int rpubkey_3;		/* 0x30C */
+	unsigned int rpubkey_4;		/* 0x310 */
+	unsigned char res4[0x04];
+	unsigned int randkey_0;		/* 0x318 */
+	unsigned int randkey_1;		/* 0x31C */
+	unsigned int randkey_2;		/* 0x320 */
+	unsigned int randkey_3;		/* 0x324 */
+	unsigned char res5[0x124];
+	unsigned int ctrl_omap_stat;	/* 0x44C */
 } ctrl_t;
 #else /* __ASSEMBLY__ */
 #define CONTROL_STATUS		0x2F0
 #endif /* __ASSEMBLY__ */
 
+/* cpu type */
+#define OMAP3503		0x5c00
+#define OMAP3515		0x1c00
+#define OMAP3525		0x4c00
+#define OMAP3530		0x0c00
+
 /* device type */
 #define DEVICE_MASK		(0x7 << 8)
 #define SYSBOOT_MASK		0x1F
diff --git a/include/asm-arm/arch-omap3/sys_proto.h b/include/asm-arm/arch-omap3/sys_proto.h
index 4c624e8..ab3e168 100644
--- a/include/asm-arm/arch-omap3/sys_proto.h
+++ b/include/asm-arm/arch-omap3/sys_proto.h
@@ -25,7 +25,6 @@ typedef struct {
 	u32 board_type_v1;
 	u32 board_type_v2;
 	u32 mtype;
-	char *cpu_string;
 	char *board_string;
 	char *nand_string;
 } omap3_sysinfo;