Signed-off-by: Gabor Juhos juhosg@openwrt.org Cc: Daniel Schwierzeck daniel.schwierzeck@googlemail.com --- Changes since RFC: --- --- arch/mips/lib/bootm.c | 60 +++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 58 insertions(+), 2 deletions(-)
diff --git a/arch/mips/lib/bootm.c b/arch/mips/lib/bootm.c index a36154a..747d790 100644 --- a/arch/mips/lib/bootm.c +++ b/arch/mips/lib/bootm.c @@ -33,6 +33,12 @@ DECLARE_GLOBAL_DATA_PTR; #define LINUX_MAX_ENVS 256 #define LINUX_MAX_ARGS 256
+#if defined(CONFIG_QEMU_MALTA) +#define board_is_qemu_malta 1 +#else +#define board_is_qemu_malta 0 +#endif + static int linux_argc; static char **linux_argv;
@@ -43,7 +49,7 @@ 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);
-static void boot_prep_linux(bootm_headers_t *images) +static void boot_prep_linux_legacy(bootm_headers_t *images) { char *commandline = getenv("bootargs"); char env_buf[12]; @@ -83,6 +89,52 @@ static void boot_prep_linux(bootm_headers_t *images) linux_env_set("eth1addr", cp); }
+static void malta_env_set(char *env_name, char *env_val) +{ + if (linux_env_idx >= LINUX_MAX_ENVS - 2) + return; + + linux_env[linux_env_idx] = linux_env_p; + + strcpy(linux_env_p, env_name); + linux_env_p += strlen(env_name); + + linux_env_p++; + linux_env[++linux_env_idx] = linux_env_p; + + strcpy(linux_env_p, env_val); + linux_env_p += strlen(env_val); + + linux_env_p++; + linux_env[++linux_env_idx] = 0; +} + +static void boot_prep_linux_qemu_malta(bootm_headers_t *images) +{ + char *bootargs = getenv("bootargs"); + char env_buf[12]; + char *cp; + + linux_params_init(UNCACHED_SDRAM(gd->bd->bi_boot_params), bootargs); + + /* setup environment variables */ + sprintf(env_buf, "%lu", (ulong)gd->ram_size); + malta_env_set("memsize", env_buf); + malta_env_set("modetty0", "38400n8r"); + + cp = getenv("ethaddr"); + if (cp) + malta_env_set("ethaddr", cp); +} + +static void boot_prep_linux(bootm_headers_t *images) +{ + if (board_is_qemu_malta) + boot_prep_linux_qemu_malta(images); + else + boot_prep_linux_legacy(images); +} + static void boot_jump_linux(bootm_headers_t *images) { void (*theKernel) (int, char **, char **, int *); @@ -98,7 +150,11 @@ static void boot_jump_linux(bootm_headers_t *images) /* we assume that the kernel is in place */ printf("\nStarting kernel ...\n\n");
- theKernel(linux_argc, linux_argv, linux_env, 0); + if (board_is_qemu_malta) + theKernel(linux_argc, linux_argv, linux_env, + (int *) gd->ram_size); + else + theKernel(linux_argc, linux_argv, linux_env, 0); }
int do_bootm_linux(int flag, int argc, char * const argv[],