From 90ca5dfec4406bd0d6759395d8d24cb401be2c28 Mon Sep 17 00:00:00 2001 From: Paul Kocialkowski Date: Sat, 27 Feb 2016 19:26:42 +0100 Subject: [PATCH] omap3: Use a define for reboot reason offset This introduces a define for the offset to the reboot reason, rather than hardcoding it. Signed-off-by: Paul Kocialkowski Reviewed-by: Tom Rini --- arch/arm/cpu/armv7/omap3/boot.c | 8 +++++--- arch/arm/include/asm/arch-omap3/omap.h | 2 ++ 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/arch/arm/cpu/armv7/omap3/boot.c b/arch/arm/cpu/armv7/omap3/boot.c index 259c210015..64b242b752 100644 --- a/arch/arm/cpu/armv7/omap3/boot.c +++ b/arch/arm/cpu/armv7/omap3/boot.c @@ -65,7 +65,8 @@ int omap_reboot_mode(char *mode, unsigned int length) if (length < 2) return -1; - reboot_mode = readl((u32 *)(OMAP34XX_SCRATCHPAD + 4)); + reboot_mode = readl((u32 *)(OMAP34XX_SCRATCHPAD + + OMAP_REBOOT_REASON_OFFSET)); c = (reboot_mode >> 24) & 0xff; if (c != 'B') @@ -85,7 +86,7 @@ int omap_reboot_mode(char *mode, unsigned int length) int omap_reboot_mode_clear(void) { - writel(0, (u32 *)(OMAP34XX_SCRATCHPAD + 4)); + writel(0, (u32 *)(OMAP34XX_SCRATCHPAD + OMAP_REBOOT_REASON_OFFSET)); return 0; } @@ -96,7 +97,8 @@ int omap_reboot_mode_store(char *mode) reboot_mode = 'B' << 24 | 'M' << 16 | mode[0]; - writel(reboot_mode, (u32 *)(OMAP34XX_SCRATCHPAD + 4)); + writel(reboot_mode, (u32 *)(OMAP34XX_SCRATCHPAD + + OMAP_REBOOT_REASON_OFFSET)); return 0; } diff --git a/arch/arm/include/asm/arch-omap3/omap.h b/arch/arm/include/asm/arch-omap3/omap.h index 4044b8d725..bc0e02a200 100644 --- a/arch/arm/include/asm/arch-omap3/omap.h +++ b/arch/arm/include/asm/arch-omap3/omap.h @@ -249,6 +249,8 @@ struct gpio { /* ABB tranxdone mask */ #define OMAP_ABB_MPU_TXDONE_MASK (0x1 << 26) +#define OMAP_REBOOT_REASON_OFFSET 0x04 + /* Boot parameters */ #ifndef __ASSEMBLY__ struct omap_boot_parameters { -- 2.39.5