diff options
author | SRICHARAN R <r.sricharan@ti.com> | 2013-04-24 00:41:24 +0000 |
---|---|---|
committer | Tom Rini <trini@ti.com> | 2013-05-10 08:25:56 -0400 |
commit | 4a0eb75752167bef51993307a10677295cef315b (patch) | |
tree | e1bb753ed7ebfe79ba34c373a2164e42faaa4cdd /arch/arm/cpu/armv7/omap-common | |
parent | fda06812a068f916f64d9d1b3d1730e8213195b3 (diff) |
ARM: OMAP: Cleanup boot parameters usage
The boot parameters are read from individual variables
assigned for each of them. This been corrected and now
they are stored as a part of the global data 'gd'
structure. So read them from 'gd' instead.
Signed-off-by: Sricharan R <r.sricharan@ti.com>
[trini: Add igep0033 hunk]
Signed-off-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'arch/arm/cpu/armv7/omap-common')
-rw-r--r-- | arch/arm/cpu/armv7/omap-common/boot-common.c | 31 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/omap-common/lowlevel_init.S | 50 |
2 files changed, 16 insertions, 65 deletions
diff --git a/arch/arm/cpu/armv7/omap-common/boot-common.c b/arch/arm/cpu/armv7/omap-common/boot-common.c index 24cbe2da05d..bff7e9c82a1 100644 --- a/arch/arm/cpu/armv7/omap-common/boot-common.c +++ b/arch/arm/cpu/armv7/omap-common/boot-common.c @@ -23,31 +23,17 @@ #include <asm/arch/mmc_host_def.h> #include <asm/arch/sys_proto.h> -/* - * This is used to verify if the configuration header - * was executed by rom code prior to control of transfer - * to the bootloader. SPL is responsible for saving and - * passing the boot_params pointer to the u-boot. - */ -struct omap_boot_parameters boot_params __attribute__ ((section(".data"))); +DECLARE_GLOBAL_DATA_PTR; #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 omap_bootmode = MMCSD_MODE_FAT; - u32 spl_boot_device(void) { - return (u32) (boot_params.omap_bootdevice); + return (u32) (gd->arch.omap_boot_params.omap_bootdevice); } u32 spl_boot_mode(void) { - return omap_bootmode; + return gd->arch.omap_boot_params.omap_bootmode; } void spl_board_init(void) @@ -73,4 +59,15 @@ int board_mmc_init(bd_t *bis) } return 0; } + +void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image) +{ + typedef void __noreturn (*image_entry_noargs_t)(u32 *); + image_entry_noargs_t image_entry = + (image_entry_noargs_t) spl_image->entry_point; + + debug("image entry point: 0x%X\n", spl_image->entry_point); + /* Pass the saved boot_params from rom code */ + image_entry((u32 *)&gd->arch.omap_boot_params); +} #endif diff --git a/arch/arm/cpu/armv7/omap-common/lowlevel_init.S b/arch/arm/cpu/armv7/omap-common/lowlevel_init.S index 90b3c8aea4e..c4895369bfb 100644 --- a/arch/arm/cpu/armv7/omap-common/lowlevel_init.S +++ b/arch/arm/cpu/armv7/omap-common/lowlevel_init.S @@ -28,59 +28,13 @@ #include <config.h> #include <asm/arch/omap.h> +#include <asm/omap_common.h> #include <asm/arch/spl.h> #include <linux/linkage.h> ENTRY(save_boot_params) - /* - * See if the rom code passed pointer is valid: - * It is not valid if it is not in non-secure SRAM - * This may happen if you are booting with the help of - * debugger - */ - ldr r2, =NON_SECURE_SRAM_START - cmp r2, r0 - bgt 1f - ldr r2, =NON_SECURE_SRAM_END - cmp r2, r0 - blt 1f - - /* - * store the boot params passed from rom code or saved - * and passed by SPL - */ - cmp r0, #0 - beq 1f - ldr r1, =boot_params + ldr r1, =OMAP_SRAM_SCRATCH_BOOT_PARAMS str r0, [r1] -#ifdef CONFIG_SPL_BUILD - /* Store the boot device in spl_boot_device */ - ldrb r2, [r0, #BOOT_DEVICE_OFFSET] @ r1 <- value of boot device - and r2, #BOOT_DEVICE_MASK - ldr r3, =boot_params - strb r2, [r3, #BOOT_DEVICE_OFFSET] @ spl_boot_device <- r1 - - /* - * boot mode is only valid for device that can be raw or FAT booted. - * in other cases it may be fatal to look. While platforms differ - * in the values used for each MMC slot, they are contiguous. - */ - cmp r2, #MMC_BOOT_DEVICES_START - blt 2f - cmp r2, #MMC_BOOT_DEVICES_END - bgt 2f - /* Store the boot mode (raw/FAT) in omap_bootmode */ - ldr r2, [r0, #DEV_DESC_PTR_OFFSET] @ get the device descriptor ptr - ldr r2, [r2, #DEV_DATA_PTR_OFFSET] @ get the pDeviceData ptr - ldr r2, [r2, #BOOT_MODE_OFFSET] @ get the boot mode - ldr r3, =omap_bootmode - str r2, [r3] -#endif -2: - ldrb r2, [r0, #CH_FLAGS_OFFSET] - ldr r3, =boot_params - strb r2, [r3, #CH_FLAGS_OFFSET] -1: bx lr ENDPROC(save_boot_params) |