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authorPaul Kocialkowski <contact@paulk.fr>2016-02-27 19:19:07 +0100
committerTom Rini <trini@konsulko.com>2016-03-15 15:12:53 -0400
commitfaec3f984120f1bee3f193c339f15c451b6d26e1 (patch)
tree1086bbfed5318b64d080812fe091acb017de677f /arch/arm/include/asm/arch-omap4
parente66782e6eae2b918bffd56d7146895f8ad1c00dc (diff)
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omap4: Reboot mode support
Reboot mode is written to SAR memory before reboot in the form of a string. This mechanism is supported on OMAP4 by various TI kernels. It is up to each board to make use of this mechanism or not. Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Diffstat (limited to 'arch/arm/include/asm/arch-omap4')
-rw-r--r--arch/arm/include/asm/arch-omap4/omap.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-omap4/omap.h b/arch/arm/include/asm/arch-omap4/omap.h
index 4712722950..5ccda6ee94 100644
--- a/arch/arm/include/asm/arch-omap4/omap.h
+++ b/arch/arm/include/asm/arch-omap4/omap.h
@@ -120,6 +120,10 @@ struct s32ktimer {
/* ABB tranxdone mask */
#define OMAP_ABB_MPU_TXDONE_MASK (0x1 << 7)
+#define OMAP44XX_SAR_RAM_BASE 0x4a326000
+#define OMAP_REBOOT_REASON_OFFSET 0xA0C
+#define OMAP_REBOOT_REASON_SIZE 0x0F
+
/* Boot parameters */
#ifndef __ASSEMBLY__
struct omap_boot_parameters {
@@ -129,6 +133,10 @@ struct omap_boot_parameters {
unsigned char reset_reason;
unsigned char ch_flags;
};
+
+int omap_reboot_mode(char *mode, unsigned int length);
+int omap_reboot_mode_clear(void);
+int omap_reboot_mode_store(char *mode);
#endif
#endif
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