diff options
Diffstat (limited to 'arch/mips/lib/bootm.c')
| -rw-r--r-- | arch/mips/lib/bootm.c | 51 | 
1 files changed, 35 insertions, 16 deletions
| diff --git a/arch/mips/lib/bootm.c b/arch/mips/lib/bootm.c index 608c1a78d..a36154a89 100644 --- a/arch/mips/lib/bootm.c +++ b/arch/mips/lib/bootm.c @@ -43,27 +43,12 @@ static int linux_env_idx;  static void linux_params_init(ulong start, char *commandline);  static void linux_env_set(char *env_name, char *env_val); -int do_bootm_linux(int flag, int argc, char * const argv[], -			bootm_headers_t *images) +static void boot_prep_linux(bootm_headers_t *images)  { -	void (*theKernel) (int, char **, char **, int *);  	char *commandline = getenv("bootargs");  	char env_buf[12];  	char *cp; -	if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) -		return 1; - -	/* find kernel entry point */ -	theKernel = (void (*)(int, char **, char **, int *))images->ep; - -	bootstage_mark(BOOTSTAGE_ID_RUN_OS); - -#ifdef DEBUG -	printf("## Transferring control to Linux (at address %08lx) ...\n", -		(ulong) theKernel); -#endif -  	linux_params_init(UNCACHED_SDRAM(gd->bd->bi_boot_params), commandline);  #ifdef CONFIG_MEMSIZE_IN_BYTES @@ -96,11 +81,45 @@ int do_bootm_linux(int flag, int argc, char * const argv[],  	cp = getenv("eth1addr");  	if (cp)  		linux_env_set("eth1addr", cp); +} + +static void boot_jump_linux(bootm_headers_t *images) +{ +	void (*theKernel) (int, char **, char **, int *); + +	/* find kernel entry point */ +	theKernel = (void (*)(int, char **, char **, int *))images->ep; + +	debug("## Transferring control to Linux (at address %08lx) ...\n", +		(ulong) theKernel); + +	bootstage_mark(BOOTSTAGE_ID_RUN_OS);  	/* we assume that the kernel is in place */  	printf("\nStarting kernel ...\n\n");  	theKernel(linux_argc, linux_argv, linux_env, 0); +} + +int do_bootm_linux(int flag, int argc, char * const argv[], +			bootm_headers_t *images) +{ +	/* No need for those on MIPS */ +	if (flag & BOOTM_STATE_OS_BD_T || flag & BOOTM_STATE_OS_CMDLINE) +		return -1; + +	if (flag & BOOTM_STATE_OS_PREP) { +		boot_prep_linux(images); +		return 0; +	} + +	if (flag & BOOTM_STATE_OS_GO) { +		boot_jump_linux(images); +		return 0; +	} + +	boot_prep_linux(images); +	boot_jump_linux(images);  	/* does not return */  	return 1; |