diff mbox

[2/3] omap4: adding revision detection for 4460 ES1.1

Message ID 1316636251-23961-3-git-send-email-ricardo.salveti@linaro.org
State Accepted
Commit 8f6a027f627d6002bedc3ab12610535dbf9ef497
Headers show

Commit Message

Ricardo Salveti Sept. 21, 2011, 8:17 p.m. UTC 
Signed-off-by: Ricardo Salveti de Araujo <ricardo.salveti@linaro.org>

 2 files changed, 17 insertions(+), 1 deletions(-)
diff mbox

Patch

diff --git a/arch/arm/cpu/armv7/omap4/board.c b/arch/arm/cpu/armv7/omap4/board.c
index 140562b..d9639ab 100644
--- a/arch/arm/cpu/armv7/omap4/board.c
+++ b/arch/arm/cpu/armv7/omap4/board.c
@@ -218,7 +218,17 @@  static void init_omap4_revision(void)
 		*omap4_revision = OMAP4430_ES2_3;
 		break;
 	case MIDR_CORTEX_A9_R2P10:
-		*omap4_revision = OMAP4460_ES1_0;
+		switch (readl(CONTROL_ID_CODE)) {
+		case OMAP4460_CONTROL_ID_CODE_ES1_0:
+			*omap4_revision = OMAP4460_ES1_0;
+			break;
+		case OMAP4460_CONTROL_ID_CODE_ES1_1:
+			*omap4_revision = OMAP4460_ES1_1;
+			break;
+		default:
+			*omap4_revision = OMAP4460_ES1_0;
+			break;
+		}
 		break;
 	default:
 		*omap4_revision = OMAP4430_SILICON_ID_INVALID;
diff --git a/arch/arm/include/asm/arch-omap4/omap4.h b/arch/arm/include/asm/arch-omap4/omap4.h
index 5d2d01d..162ab43 100644
--- a/arch/arm/include/asm/arch-omap4/omap4.h
+++ b/arch/arm/include/asm/arch-omap4/omap4.h
@@ -57,12 +57,17 @@ 
 /* CONTROL_ID_CODE */
 #define CONTROL_ID_CODE		0x4A002204
 
+/* 4430 */
 #define OMAP4430_CONTROL_ID_CODE_ES1_0	0x0B85202F
 #define OMAP4430_CONTROL_ID_CODE_ES2_0	0x1B85202F
 #define OMAP4430_CONTROL_ID_CODE_ES2_1	0x3B95C02F
 #define OMAP4430_CONTROL_ID_CODE_ES2_2	0x4B95C02F
 #define OMAP4430_CONTROL_ID_CODE_ES2_3	0x6B95C02F
 
+/* 4460 */
+#define OMAP4460_CONTROL_ID_CODE_ES1_0	0x0B94E02F
+#define OMAP4460_CONTROL_ID_CODE_ES1_1	0x2B94E02F
+
 /* UART */
 #define UART1_BASE		(OMAP44XX_L4_PER_BASE + 0x6a000)
 #define UART2_BASE		(OMAP44XX_L4_PER_BASE + 0x6c000)
@@ -185,6 +190,7 @@  struct control_lpddr2io_regs {
 #define OMAP4430_ES2_2	0x44300220
 #define OMAP4430_ES2_3	0x44300230
 #define OMAP4460_ES1_0	0x44600100
+#define OMAP4460_ES1_1	0x44600110
 
 /* ROM code defines */
 /* Boot device */