diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/armv7/lowlevel_init.S | 8 | ||||
| -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 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-omap4/sys_proto.h | 11 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-omap5/sys_proto.h | 12 | ||||
| -rw-r--r-- | arch/arm/include/asm/omap_common.h | 3 |
6 files changed, 32 insertions, 83 deletions
diff --git a/arch/arm/cpu/armv7/lowlevel_init.S b/arch/arm/cpu/armv7/lowlevel_init.S index 0d45528..0a15aa4 100644 --- a/arch/arm/cpu/armv7/lowlevel_init.S +++ b/arch/arm/cpu/armv7/lowlevel_init.S @@ -37,7 +37,13 @@ ENTRY(lowlevel_init) */ ldr sp, =CONFIG_SYS_INIT_SP_ADDR bic sp, sp, #7 /* 8-byte alignment for ABI compliance */ - +#ifdef CONFIG_SPL_BUILD + ldr r8, =gdata +#else + sub sp, #GD_SIZE + bic sp, sp, #7 + mov r8, sp +#endif /* * Save the old lr(passed in ip) and the current lr to stack */ diff --git a/arch/arm/cpu/armv7/omap-common/boot-common.c b/arch/arm/cpu/armv7/omap-common/boot-common.c index 24cbe2d..bff7e9c 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 90b3c8a..c489536 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) diff --git a/arch/arm/include/asm/arch-omap4/sys_proto.h b/arch/arm/include/asm/arch-omap4/sys_proto.h index ac9c1f8..039a1f2 100644 --- a/arch/arm/include/asm/arch-omap4/sys_proto.h +++ b/arch/arm/include/asm/arch-omap4/sys_proto.h @@ -27,6 +27,8 @@ #include <asm/omap_common.h> #include <asm/arch/mux_omap4.h> +DECLARE_GLOBAL_DATA_PTR; + struct omap_sysinfo { char *board_string; }; @@ -59,13 +61,6 @@ int omap_vc_bypass_send_value(u8 sa, u8 reg_addr, u8 reg_data); u32 warm_reset(void); void force_emif_self_refresh(void); void setup_warmreset_time(void); -/* - * This is used to verify if the configuration header - * was executed by Romcode prior to control of transfer - * to the bootloader. SPL is responsible for saving and - * passing this to the u-boot. - */ -extern struct omap_boot_parameters boot_params; static inline u32 running_from_sdram(void) { @@ -85,7 +80,7 @@ static inline u8 uboot_loaded_by_spl(void) * variable by both SPL and u-boot.Check out for CHSETTINGS, which is a * mandatory section if CH is present. */ - if ((boot_params.ch_flags) & (CH_FLAGS_CHSETTINGS)) + if ((gd->arch.omap_boot_params.ch_flags) & (CH_FLAGS_CHSETTINGS)) return 0; else return running_from_sdram(); diff --git a/arch/arm/include/asm/arch-omap5/sys_proto.h b/arch/arm/include/asm/arch-omap5/sys_proto.h index 393c8bf..b79161d 100644 --- a/arch/arm/include/asm/arch-omap5/sys_proto.h +++ b/arch/arm/include/asm/arch-omap5/sys_proto.h @@ -27,6 +27,8 @@ #include <asm/omap_common.h> #include <asm/arch/clocks.h> +DECLARE_GLOBAL_DATA_PTR; + struct pad_conf_entry { u32 offset; u32 val; @@ -66,14 +68,6 @@ void get_ioregs(const struct ctrl_ioregs **regs); void srcomp_enable(void); void setup_warmreset_time(void); -/* - * This is used to verify if the configuration header - * was executed by Romcode prior to control of transfer - * to the bootloader. SPL is responsible for saving and - * passing this to the u-boot. - */ -extern struct omap_boot_parameters boot_params; - static inline u32 running_from_sdram(void) { u32 pc; @@ -92,7 +86,7 @@ static inline u8 uboot_loaded_by_spl(void) * variable by both SPL and u-boot.Check out for CHSETTINGS, which is a * mandatory section if CH is present. */ - if ((boot_params.ch_flags) & (CH_FLAGS_CHSETTINGS)) + if ((gd->arch.omap_boot_params.ch_flags) & (CH_FLAGS_CHSETTINGS)) return 0; else return running_from_sdram(); diff --git a/arch/arm/include/asm/omap_common.h b/arch/arm/include/asm/omap_common.h index eebc9c7..ee7b188 100644 --- a/arch/arm/include/asm/omap_common.h +++ b/arch/arm/include/asm/omap_common.h @@ -25,6 +25,8 @@ #ifndef _OMAP_COMMON_H_ #define _OMAP_COMMON_H_ +#ifndef __ASSEMBLY__ + #include <common.h> #define NUM_SYS_CLKS 8 @@ -558,6 +560,7 @@ static inline u32 omap_revision(void) extern u32 *const omap_si_rev; return *omap_si_rev; } +#endif /* * silicon revisions. |