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authorSimon Schwarz <simonschwarzcor@googlemail.com>2011-09-14 15:29:26 -0400
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2011-09-30 22:00:54 +0200
commitbb085b87e587b5ea98519d95c8b24f603d91360a (patch)
tree5b0a6a6b0243302d08e747c60e453e1d1aaa0537 /arch/arm/cpu/armv7/omap3
parentb88e42560b7f6b9766faf52340638ec8b8ce1e3f (diff)
omap-common: add nand spl support
Add NAND support for the new SPL structure. Signed-off-by: Simon Schwarz <simonschwarzcor@gmail.com> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Diffstat (limited to 'arch/arm/cpu/armv7/omap3')
-rw-r--r--arch/arm/cpu/armv7/omap3/board.c50
1 files changed, 48 insertions, 2 deletions
diff --git a/arch/arm/cpu/armv7/omap3/board.c b/arch/arm/cpu/armv7/omap3/board.c
index 0448bc93f..1b3ef69a9 100644
--- a/arch/arm/cpu/armv7/omap3/board.c
+++ b/arch/arm/cpu/armv7/omap3/board.c
@@ -39,6 +39,7 @@
#include <asm/cache.h>
#include <asm/armv7.h>
#include <asm/arch/gpio.h>
+#include <asm/omap_common.h>
/* Declarations */
extern omap3_sysinfo sysinfo;
@@ -56,6 +57,41 @@ static const struct gpio_bank gpio_bank_34xx[6] = {
const struct gpio_bank *const omap_gpio_bank = gpio_bank_34xx;
+#ifdef CONFIG_SPL_BUILD
+/*
+* We use static variables because global data is not ready yet.
+* Initialized data is available in SPL right from the beginning.
+* We would not typically need to save these parameters in regular
+* U-Boot. This is needed only in SPL at the moment.
+*/
+u32 omap3_boot_device = BOOT_DEVICE_NAND;
+
+/* auto boot mode detection is not possible for OMAP3 - hard code */
+u32 omap_boot_mode(void)
+{
+ switch (omap_boot_device()) {
+ case BOOT_DEVICE_MMC2:
+ return MMCSD_MODE_RAW;
+ case BOOT_DEVICE_MMC1:
+ return MMCSD_MODE_FAT;
+ break;
+ case BOOT_DEVICE_NAND:
+ return NAND_MODE_HW_ECC;
+ break;
+ default:
+ puts("spl: ERROR: unknown device - can't select boot mode\n");
+ hang();
+ }
+}
+
+u32 omap_boot_device(void)
+{
+ return omap3_boot_device;
+}
+
+#endif /* CONFIG_SPL_BUILD */
+
+
/******************************************************************************
* Routine: delay
* Description: spinning delay to use before udelay works
@@ -197,6 +233,10 @@ void s_init(void)
per_clocks_enable();
+#ifdef CONFIG_SPL_BUILD
+ preloader_console_init();
+#endif
+
if (!in_sdram)
mem_init();
}
@@ -245,7 +285,7 @@ void abort(void)
{
}
-#ifdef CONFIG_NAND_OMAP_GPMC
+#if defined(CONFIG_NAND_OMAP_GPMC) & !defined(CONFIG_SPL_BUILD)
/******************************************************************************
* OMAP3 specific command to switch between NAND HW and SW ecc
*****************************************************************************/
@@ -273,7 +313,7 @@ U_BOOT_CMD(
"[hw/sw] - Switch between NAND hardware (hw) or software (sw) ecc algorithm"
);
-#endif /* CONFIG_NAND_OMAP_GPMC */
+#endif /* CONFIG_NAND_OMAP_GPMC & !CONFIG_SPL_BUILD */
#ifdef CONFIG_DISPLAY_BOARDINFO
/**
@@ -410,3 +450,9 @@ void enable_caches(void)
dcache_enable();
}
#endif
+
+void omap_rev_string(char *omap_rev_string)
+{
+ sprintf(omap_rev_string, "OMAP3, sorry revision detection" \
+ " unimplemented");
+}