[U-Boot] [PATCH V9 8/9] omap3: implement boot parameter saving
Simon Schwarz
simonschwarzcor at googlemail.com
Mon Aug 8 15:11:57 CEST 2011
Implements the saving of boot params passed by OMAP3 ROM code.
Signed-off-by: Simon Schwarz <simonschwarzcor at gmail.com>
---
Didn't exist before V8
V9 changes:
nothing
---
arch/arm/cpu/armv7/omap-common/spl.c | 6 +++++-
arch/arm/cpu/armv7/omap3/lowlevel_init.S | 9 +++++++--
2 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/arch/arm/cpu/armv7/omap-common/spl.c b/arch/arm/cpu/armv7/omap-common/spl.c
index 53d10bf..3dd8e0d 100644
--- a/arch/arm/cpu/armv7/omap-common/spl.c
+++ b/arch/arm/cpu/armv7/omap-common/spl.c
@@ -194,8 +194,12 @@ static void mmc_load_image(void)
printf("spl: mmc init failed: err - %d\n", err);
hang();
}
-
+/* For OMAP3 there is no automatic boot mode detection */
+#ifdef CONFIG_OMAP34XX
+ boot_mode = CONFIG_SYS_MMC_SD_BOOTMODE;
+#else
boot_mode = omap_boot_mode();
+#endif
if (boot_mode == MMCSD_MODE_RAW) {
debug("boot mode - RAW\n");
mmc_load_image_raw(mmc);
diff --git a/arch/arm/cpu/armv7/omap3/lowlevel_init.S b/arch/arm/cpu/armv7/omap3/lowlevel_init.S
index 48a7ec6..a308ebd 100644
--- a/arch/arm/cpu/armv7/omap3/lowlevel_init.S
+++ b/arch/arm/cpu/armv7/omap3/lowlevel_init.S
@@ -37,8 +37,13 @@ _TEXT_BASE:
.global save_boot_params
save_boot_params:
- #warning "Please implement save_boot_params for OMAP3"
- bx lr
+#ifdef CONFIG_SPL_BUILD
+ ldr r4, =omap3_boot_device
+ ldr r5, [r0, #0x4]
+ and r5, r5, #0xff
+ str r5, [r4]
+#endif
+ bx lr
.global omap3_gp_romcode_call
omap3_gp_romcode_call:
--
1.7.4.1
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