This switches reboot mode handling to a string-based interface, that allows more flexibility to set a common interface with the next generations of OMAP devices.
Signed-off-by: Paul Kocialkowski contact@paulk.fr --- arch/arm/cpu/armv7/omap3/boot.c | 14 ++++++++++---- arch/arm/include/asm/arch-omap3/omap.h | 4 ++-- board/lge/sniper/sniper.c | 6 +++--- 3 files changed, 15 insertions(+), 9 deletions(-)
diff --git a/arch/arm/cpu/armv7/omap3/boot.c b/arch/arm/cpu/armv7/omap3/boot.c index 44d7c30..259c210 100644 --- a/arch/arm/cpu/armv7/omap3/boot.c +++ b/arch/arm/cpu/armv7/omap3/boot.c @@ -57,11 +57,14 @@ 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;
+ if (length < 2) + return -1; + reboot_mode = readl((u32 *)(OMAP34XX_SCRATCHPAD + 4));
c = (reboot_mode >> 24) & 0xff; @@ -74,7 +77,10 @@ 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) @@ -84,11 +90,11 @@ int omap_reboot_mode_clear(void) 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));
diff --git a/arch/arm/include/asm/arch-omap3/omap.h b/arch/arm/include/asm/arch-omap3/omap.h index 2c94a81..4044b8d 100644 --- a/arch/arm/include/asm/arch-omap3/omap.h +++ b/arch/arm/include/asm/arch-omap3/omap.h @@ -260,9 +260,9 @@ struct omap_boot_parameters { unsigned int boot_device_descriptor; };
-char omap_reboot_mode(void); +int omap_reboot_mode(char *mode, unsigned int length); int omap_reboot_mode_clear(void); -int omap_reboot_mode_store(char c); +int omap_reboot_mode_store(char *mode); #endif
#endif diff --git a/board/lge/sniper/sniper.c b/board/lge/sniper/sniper.c index f093f97..b2c8e97 100644 --- a/board/lge/sniper/sniper.c +++ b/board/lge/sniper/sniper.c @@ -109,7 +109,7 @@ int misc_init_r(void)
/* Reboot mode */
- reboot_mode[0] = omap_reboot_mode(); + omap_reboot_mode(reboot_mode, sizeof(reboot_mode));
if (keys[0]) reboot_mode[0] = 'r'; @@ -159,12 +159,12 @@ void get_board_serial(struct tag_serialnr *serialnr)
void reset_misc(void) { - omap_reboot_mode_store('u'); + omap_reboot_mode_store("u"); }
int fb_set_reboot_flag(void) { - return omap_reboot_mode_store('b'); + return omap_reboot_mode_store("b"); }
#ifndef CONFIG_SPL_BUILD