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omap3: Use a define for reboot reason offset

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This introduces a define for the offset to the reboot reason, rather than
hardcoding it.

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Paul Kocialkowski 2016-02-27 19:26:42 +01:00 committed by Tom Rini
parent c5412b084b
commit 90ca5dfec4
2 changed files with 7 additions and 3 deletions
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8
arch/arm/cpu/armv7/omap3/boot.c
View File

@ -65,7 +65,8 @@ int omap_reboot_mode(char *mode, unsigned int length)
if (length < 2) if (length < 2)
return -1; return -1;
reboot_mode = readl((u32 *)(OMAP34XX_SCRATCHPAD + 4)); reboot_mode = readl((u32 *)(OMAP34XX_SCRATCHPAD +
OMAP_REBOOT_REASON_OFFSET));
c = (reboot_mode >> 24) & 0xff; c = (reboot_mode >> 24) & 0xff;
if (c != 'B') if (c != 'B')
@ -85,7 +86,7 @@ int omap_reboot_mode(char *mode, unsigned int length)
int omap_reboot_mode_clear(void) int omap_reboot_mode_clear(void)
{ {
writel(0, (u32 *)(OMAP34XX_SCRATCHPAD + 4)); writel(0, (u32 *)(OMAP34XX_SCRATCHPAD + OMAP_REBOOT_REASON_OFFSET));
return 0; return 0;
} }
@ -96,7 +97,8 @@ int omap_reboot_mode_store(char *mode)
reboot_mode = 'B' << 24 | 'M' << 16 | mode[0]; 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; return 0;
} }

2
arch/arm/include/asm/arch-omap3/omap.h
View File

@ -249,6 +249,8 @@ struct gpio {
/* ABB tranxdone mask */ /* ABB tranxdone mask */
#define OMAP_ABB_MPU_TXDONE_MASK (0x1 << 26) #define OMAP_ABB_MPU_TXDONE_MASK (0x1 << 26)
#define OMAP_REBOOT_REASON_OFFSET 0x04
/* Boot parameters */ /* Boot parameters */
#ifndef __ASSEMBLY__ #ifndef __ASSEMBLY__
struct omap_boot_parameters { struct omap_boot_parameters {