diff options
Diffstat (limited to 'arch/arm/cpu/armv7/omap3/boot.c')
| -rw-r--r-- | arch/arm/cpu/armv7/omap3/boot.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/arch/arm/cpu/armv7/omap3/boot.c b/arch/arm/cpu/armv7/omap3/boot.c index 44d7c30662..64b242b752 100644 --- a/arch/arm/cpu/armv7/omap3/boot.c +++ b/arch/arm/cpu/armv7/omap3/boot.c @@ -57,12 +57,16 @@ u32 omap_sys_boot_device(void) return boot_devices[sys_boot]; } -char omap_reboot_mode(void) +int omap_reboot_mode(char *mode, unsigned int length) { u32 reboot_mode; char c; - reboot_mode = readl((u32 *)(OMAP34XX_SCRATCHPAD + 4)); + if (length < 2) + return -1; + + reboot_mode = readl((u32 *)(OMAP34XX_SCRATCHPAD + + OMAP_REBOOT_REASON_OFFSET)); c = (reboot_mode >> 24) & 0xff; if (c != 'B') @@ -74,23 +78,27 @@ char omap_reboot_mode(void) c = reboot_mode & 0xff; - return c; + mode[0] = c; + mode[1] = '\0'; + + return 0; } int omap_reboot_mode_clear(void) { - writel(0, (u32 *)(OMAP34XX_SCRATCHPAD + 4)); + writel(0, (u32 *)(OMAP34XX_SCRATCHPAD + OMAP_REBOOT_REASON_OFFSET)); return 0; } -int omap_reboot_mode_store(char c) +int omap_reboot_mode_store(char *mode) { u32 reboot_mode; - reboot_mode = 'B' << 24 | 'M' << 16 | c; + 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; } |
