From b235e007831dbf57710e59cd4a120e2f374eecb9 Mon Sep 17 00:00:00 2001 From: Andy Green Date: Sat, 12 Mar 2011 22:50:54 +0000 Subject: OMAP2+: Common CPU DIE ID reading code reads wrong registers for OMAP4430 This adapts the register offsets used to read the CPU DIE ID registers when run on 44XX so they match what is in the OMAP4430 Reference Manual page 269 Signed-off-by: Andy Green Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/id.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'arch/arm/mach-omap2') diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index 3168b17bc264..2537090aa33a 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -84,6 +84,11 @@ EXPORT_SYMBOL(omap_type); #define OMAP_TAP_DIE_ID_2 0x0220 #define OMAP_TAP_DIE_ID_3 0x0224 +#define OMAP_TAP_DIE_ID_44XX_0 0x0200 +#define OMAP_TAP_DIE_ID_44XX_1 0x0208 +#define OMAP_TAP_DIE_ID_44XX_2 0x020c +#define OMAP_TAP_DIE_ID_44XX_3 0x0210 + #define read_tap_reg(reg) __raw_readl(tap_base + (reg)) struct omap_id { @@ -107,6 +112,14 @@ static u16 tap_prod_id; void omap_get_die_id(struct omap_die_id *odi) { + if (cpu_is_omap44xx()) { + odi->id_0 = read_tap_reg(OMAP_TAP_DIE_ID_44XX_0); + odi->id_1 = read_tap_reg(OMAP_TAP_DIE_ID_44XX_1); + odi->id_2 = read_tap_reg(OMAP_TAP_DIE_ID_44XX_2); + odi->id_3 = read_tap_reg(OMAP_TAP_DIE_ID_44XX_3); + + return; + } odi->id_0 = read_tap_reg(OMAP_TAP_DIE_ID_0); odi->id_1 = read_tap_reg(OMAP_TAP_DIE_ID_1); odi->id_2 = read_tap_reg(OMAP_TAP_DIE_ID_2); -- cgit v1.2.2