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| author | Daniel Schwierzeck <daniel.schwierzeck@gmail.com> | 2013-05-30 19:04:20 +0200 |
|---|---|---|
| committer | Daniel Schwierzeck <daniel.schwierzeck@gmail.com> | 2013-08-13 11:58:48 +0200 |
| commit | b87493f49a16c96d81dd262e609ab0ef485071a4 (patch) | |
| tree | b8e49e4edc5e1faacc5d00b3dc0bae3a90eeebf1 | |
| parent | 6c154552b0540f73cc2a3692f53b405f0f2bdf0e (diff) | |
| download | u-boot-imx-b87493f49a16c96d81dd262e609ab0ef485071a4.zip u-boot-imx-b87493f49a16c96d81dd262e609ab0ef485071a4.tar.gz u-boot-imx-b87493f49a16c96d81dd262e609ab0ef485071a4.tar.bz2 | |
MIPS: bootm: add YAMON style Linux preparation/jump code for Qemu Malta
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
| -rw-r--r-- | arch/mips/lib/bootm.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/arch/mips/lib/bootm.c b/arch/mips/lib/bootm.c index 27e0b1b..66340ea 100644 --- a/arch/mips/lib/bootm.c +++ b/arch/mips/lib/bootm.c @@ -17,6 +17,12 @@ DECLARE_GLOBAL_DATA_PTR; #define LINUX_MAX_ENVS 256 #define LINUX_MAX_ARGS 256 +#if defined(CONFIG_QEMU_MALTA) +#define mips_boot_qemu_malta 1 +#else +#define mips_boot_qemu_malta 0 +#endif + static int linux_argc; static char **linux_argv; static char *linux_argp; @@ -133,7 +139,12 @@ 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); - *linux_env_p++ = '='; + if (mips_boot_qemu_malta) { + linux_env_p++; + linux_env[++linux_env_idx] = linux_env_p; + } else { + *linux_env_p++ = '='; + } strcpy(linux_env_p, env_val); linux_env_p += strlen(env_val); @@ -184,21 +195,28 @@ static void boot_prep_linux(bootm_headers_t *images) cp = getenv("eth1addr"); if (cp) linux_env_set("eth1addr", cp); + + if (mips_boot_qemu_malta) + linux_env_set("modetty0", "38400n8r"); } static void boot_jump_linux(bootm_headers_t *images) { typedef void __noreturn (*kernel_entry_t)(int, ulong, ulong, ulong); kernel_entry_t kernel = (kernel_entry_t) images->ep; + ulong linux_extra = 0; debug("## Transferring control to Linux (at address %p) ...\n", kernel); bootstage_mark(BOOTSTAGE_ID_RUN_OS); + if (mips_boot_qemu_malta) + linux_extra = gd->ram_size; + /* we assume that the kernel is in place */ printf("\nStarting kernel ...\n\n"); - kernel(linux_argc, (ulong)linux_argv, (ulong)linux_env, 0); + kernel(linux_argc, (ulong)linux_argv, (ulong)linux_env, linux_extra); } int do_bootm_linux(int flag, int argc, char * const argv[], |