diff options
Diffstat (limited to 'arch/mips/lib/bootm.c')
| -rw-r--r-- | arch/mips/lib/bootm.c | 196 | 
1 files changed, 92 insertions, 104 deletions
| diff --git a/arch/mips/lib/bootm.c b/arch/mips/lib/bootm.c index 9c647aa4285..eed159cd462 100644 --- a/arch/mips/lib/bootm.c +++ b/arch/mips/lib/bootm.c @@ -15,24 +15,6 @@ DECLARE_GLOBAL_DATA_PTR;  #define	LINUX_MAX_ENVS		256  #define	LINUX_MAX_ARGS		256 -#if defined(CONFIG_MALTA) -#define mips_boot_malta		1 -#else -#define mips_boot_malta		0 -#endif - -#if defined(CONFIG_MIPS_BOOT_CMDLINE_LEGACY) -#define mips_boot_cmdline_legacy	1 -#else -#define mips_boot_cmdline_legacy	0 -#endif - -#if defined(CONFIG_MIPS_BOOT_ENV_LEGACY) -#define mips_boot_env_legacy	1 -#else -#define mips_boot_env_legacy	0 -#endif -  static int linux_argc;  static char **linux_argv;  static char *linux_argp; @@ -62,50 +44,6 @@ void arch_lmb_reserve(struct lmb *lmb)  	lmb_reserve(lmb, sp, CONFIG_SYS_SDRAM_BASE + gd->ram_size - sp);  } -static int boot_setup_linux(bootm_headers_t *images) -{ -	int ret; -	ulong rd_len; - -	rd_len = images->rd_end - images->rd_start; -	ret = boot_ramdisk_high(&images->lmb, images->rd_start, -		rd_len, &images->initrd_start, &images->initrd_end); -	if (ret) -		return ret; - -#if defined(CONFIG_MIPS_BOOT_FDT) && defined(CONFIG_OF_LIBFDT) -	if (images->ft_len) { -		boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr); - -		ret = boot_relocate_fdt(&images->lmb, &images->ft_addr, -			&images->ft_len); -		if (ret) -			return ret; -	} -#endif - -	return 0; -} - -static void boot_setup_fdt(bootm_headers_t *images) -{ -#if defined(CONFIG_MIPS_BOOT_FDT) && defined(CONFIG_OF_LIBFDT) -	u64 mem_start = 0; -	u64 mem_size = gd->ram_size; - -	debug("## setup FDT\n"); - -	fdt_chosen(images->ft_addr); -	fdt_fixup_memory_banks(images->ft_addr, &mem_start, &mem_size, 1); -	fdt_fixup_ethernet(images->ft_addr); -	fdt_initrd(images->ft_addr, images->initrd_start, images->initrd_end); - -#if defined(CONFIG_OF_BOARD_SETUP) -	ft_board_setup(images->ft_addr, gd->bd); -#endif -#endif -} -  static void linux_cmdline_init(void)  {  	linux_argc = 1; @@ -197,18 +135,6 @@ static void linux_cmdline_append(bootm_headers_t *images)  	}  } -static void boot_cmdline_linux(bootm_headers_t *images) -{ -	if (mips_boot_cmdline_legacy && !images->ft_len) { -		linux_cmdline_legacy(images); - -		if (!mips_boot_env_legacy) -			linux_cmdline_append(images); - -		linux_cmdline_dump(); -	} -} -  static void linux_env_init(void)  {  	linux_env = (char **)(((ulong) linux_argp + 15) & ~15); @@ -225,7 +151,7 @@ static void linux_env_set(const char *env_name, const char *env_val)  		strcpy(linux_env_p, env_name);  		linux_env_p += strlen(env_name); -		if (mips_boot_malta) { +		if (CONFIG_IS_ENABLED(MALTA)) {  			linux_env_p++;  			linux_env[++linux_env_idx] = linux_env_p;  		} else { @@ -246,14 +172,15 @@ static void linux_env_legacy(bootm_headers_t *images)  	const char *cp;  	ulong rd_start, rd_size; -#ifdef CONFIG_MEMSIZE_IN_BYTES -	sprintf(env_buf, "%lu", (ulong)gd->ram_size); -	debug("## Giving linux memsize in bytes, %lu\n", (ulong)gd->ram_size); -#else -	sprintf(env_buf, "%lu", (ulong)(gd->ram_size >> 20)); -	debug("## Giving linux memsize in MB, %lu\n", -	      (ulong)(gd->ram_size >> 20)); -#endif /* CONFIG_MEMSIZE_IN_BYTES */ +	if (CONFIG_IS_ENABLED(MEMSIZE_IN_BYTES)) { +		sprintf(env_buf, "%lu", (ulong)gd->ram_size); +		debug("## Giving linux memsize in bytes, %lu\n", +		      (ulong)gd->ram_size); +	} else { +		sprintf(env_buf, "%lu", (ulong)(gd->ram_size >> 20)); +		debug("## Giving linux memsize in MB, %lu\n", +		      (ulong)(gd->ram_size >> 20)); +	}  	rd_start = UNCACHED_SDRAM(images->initrd_start);  	rd_size = images->initrd_end - images->initrd_start; @@ -282,19 +209,87 @@ static void linux_env_legacy(bootm_headers_t *images)  	if (cp)  		linux_env_set("eth1addr", cp); -	if (mips_boot_malta) { +	if (CONFIG_IS_ENABLED(MALTA)) {  		sprintf(env_buf, "%un8r", gd->baudrate);  		linux_env_set("modetty0", env_buf);  	}  } +static int boot_reloc_ramdisk(bootm_headers_t *images) +{ +	ulong rd_len = images->rd_end - images->rd_start; + +	/* +	 * In case of legacy uImage's, relocation of ramdisk is already done +	 * by do_bootm_states() and should not repeated in 'bootm prep'. +	 */ +	if (images->state & BOOTM_STATE_RAMDISK) { +		debug("## Ramdisk already relocated\n"); +		return 0; +	} + +	return boot_ramdisk_high(&images->lmb, images->rd_start, +		rd_len, &images->initrd_start, &images->initrd_end); +} + +static int boot_reloc_fdt(bootm_headers_t *images) +{ +	/* +	 * In case of legacy uImage's, relocation of FDT is already done +	 * by do_bootm_states() and should not repeated in 'bootm prep'. +	 */ +	if (images->state & BOOTM_STATE_FDT) { +		debug("## FDT already relocated\n"); +		return 0; +	} + +#if CONFIG_IS_ENABLED(MIPS_BOOT_FDT) && CONFIG_IS_ENABLED(OF_LIBFDT) +	boot_fdt_add_mem_rsv_regions(&images->lmb, images->ft_addr); +	return boot_relocate_fdt(&images->lmb, &images->ft_addr, +		&images->ft_len); +#else +	return 0; +#endif +} + +int arch_fixup_memory_node(void *blob) +{ +#if CONFIG_IS_ENABLED(MIPS_BOOT_FDT) && CONFIG_IS_ENABLED(OF_LIBFDT) +	u64 mem_start = 0; +	u64 mem_size = gd->ram_size; + +	return fdt_fixup_memory_banks(blob, &mem_start, &mem_size, 1); +#else +	return 0; +#endif +} + +static int boot_setup_fdt(bootm_headers_t *images) +{ +	return image_setup_libfdt(images, images->ft_addr, images->ft_len, +		&images->lmb); +} +  static void boot_prep_linux(bootm_headers_t *images)  { -	if (mips_boot_env_legacy && !images->ft_len) -		linux_env_legacy(images); +	boot_reloc_ramdisk(images); -	if (images->ft_len) +	if (CONFIG_IS_ENABLED(MIPS_BOOT_FDT) && images->ft_len) { +		boot_reloc_fdt(images);  		boot_setup_fdt(images); +	} else { +		if (CONFIG_IS_ENABLED(CONFIG_MIPS_BOOT_ENV_LEGACY)) +			linux_env_legacy(images); + +		if (CONFIG_IS_ENABLED(MIPS_BOOT_CMDLINE_LEGACY)) { +			linux_cmdline_legacy(images); + +			if (!CONFIG_IS_ENABLED(CONFIG_MIPS_BOOT_ENV_LEGACY)) +				linux_cmdline_append(images); + +			linux_cmdline_dump(); +		} +	}  }  static void boot_jump_linux(bootm_headers_t *images) @@ -307,13 +302,13 @@ static void boot_jump_linux(bootm_headers_t *images)  	bootstage_mark(BOOTSTAGE_ID_RUN_OS); -	if (mips_boot_malta) +	if (CONFIG_IS_ENABLED(MALTA))  		linux_extra = gd->ram_size; -#ifdef CONFIG_BOOTSTAGE_FDT +#if CONFIG_IS_ENABLED(BOOTSTAGE_FDT)  	bootstage_fdt_add_report();  #endif -#ifdef CONFIG_BOOTSTAGE_REPORT +#if CONFIG_IS_ENABLED(BOOTSTAGE_REPORT)  	bootstage_report();  #endif @@ -327,35 +322,28 @@ static void boot_jump_linux(bootm_headers_t *images)  int do_bootm_linux(int flag, int argc, char * const argv[],  			bootm_headers_t *images)  { -	int ret; -  	/* No need for those on MIPS */  	if (flag & BOOTM_STATE_OS_BD_T)  		return -1; -	if (flag & BOOTM_STATE_OS_CMDLINE) { -		boot_cmdline_linux(images); +	/* +	 * Cmdline init has been moved to 'bootm prep' because it has to be +	 * done after relocation of ramdisk to always pass correct values +	 * for rd_start and rd_size to Linux kernel. +	 */ +	if (flag & BOOTM_STATE_OS_CMDLINE)  		return 0; -	}  	if (flag & BOOTM_STATE_OS_PREP) {  		boot_prep_linux(images);  		return 0;  	} -	if (flag & BOOTM_STATE_OS_GO) { +	if (flag & (BOOTM_STATE_OS_GO | BOOTM_STATE_OS_FAKE_GO)) {  		boot_jump_linux(images);  		return 0;  	} -	ret = boot_setup_linux(images); -	if (ret) -		return ret; - -	boot_cmdline_linux(images); -	boot_prep_linux(images); -	boot_jump_linux(images); -  	/* does not return */  	return 1;  } | 
