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Diffstat (limited to 'arch/mips/lib/bootm.c')
-rw-r--r--arch/mips/lib/bootm.c163
1 files changed, 78 insertions, 85 deletions
diff --git a/arch/mips/lib/bootm.c b/arch/mips/lib/bootm.c
index 9c647aa..a7eddd3 100644
--- a/arch/mips/lib/bootm.c
+++ b/arch/mips/lib/bootm.c
@@ -21,18 +21,6 @@ DECLARE_GLOBAL_DATA_PTR;
#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 +50,6 @@ 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 +141,6 @@ 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);
@@ -288,13 +220,81 @@ static void linux_env_legacy(bootm_headers_t *images)
}
}
+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)
@@ -327,35 +327,28 @@ 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;
}