From 8f6a027f627d6002bedc3ab12610535dbf9ef497 Mon Sep 17 00:00:00 2001 From: Ricardo Salveti de Araujo Date: Wed, 21 Sep 2011 10:17:30 +0000 Subject: [PATCH] omap4: adding revision detection for 4460 ES1.1 Signed-off-by: Ricardo Salveti de Araujo 2 files changed, 17 insertions(+), 1 deletions(-) Signed-off-by: Sandeep Paulraj --- arch/arm/cpu/armv7/omap4/board.c | 12 +++++++++++- arch/arm/include/asm/arch-omap4/omap4.h | 6 ++++++ 2 files changed, 17 insertions(+), 1 deletion(-) diff --git a/arch/arm/cpu/armv7/omap4/board.c b/arch/arm/cpu/armv7/omap4/board.c index 86ddef28d7..6d8811f484 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 38f4eb1996..61ebb3d46d 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) @@ -191,6 +196,7 @@ 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 */ -- 2.30.2