@@ -30,6 +30,7 @@
#include <linux/memblock.h>
#include <linux/of.h>
#include <linux/of_fdt.h>
+#include <linux/libfdt.h>
#include <linux/uaccess.h>
#include <uapi/linux/mount.h>
#include <asm/io.h>
@@ -74,7 +75,13 @@ extern int root_mountflags;
#define RAMDISK_PROMPT_FLAG 0x8000
#define RAMDISK_LOAD_FLAG 0x4000
+#if defined(CONFIG_OF) && !defined(CONFIG_USE_BUILTIN_DTB)
+#define CHOSEN_BOOTARGS
+#endif
+
+#ifndef CHOSEN_BOOTARGS
static char __initdata command_line[COMMAND_LINE_SIZE] = { 0, };
+#endif
static struct resource code_resource = {
.name = "Kernel code",
@@ -99,6 +106,8 @@ unsigned long memory_limit = 0;
static struct resource mem_resources[MAX_NUMNODES];
+static void *dt_virt;
+
int l1i_cache_shape, l1d_cache_shape, l2_cache_shape;
static int __init early_parse_mem(char *p)
@@ -244,7 +253,6 @@ void __init __weak plat_early_device_setup(void)
void __ref sh_fdt_init(phys_addr_t dt_phys)
{
static int done = 0;
- void *dt_virt;
/* Avoid calling an __init function on secondary cpus. */
if (done) return;
@@ -269,8 +277,17 @@ void __ref sh_fdt_init(phys_addr_t dt_phys)
void __init setup_arch(char **cmdline_p)
{
+#ifdef CONFIG_OF
+#ifdef CONFIG_USE_BUILTIN_DTB
+ unflatten_and_copy_device_tree();
+#else
+ memblock_reserve(__pa(dt_virt), fdt_totalsize(dt_virt));
+ unflatten_device_tree();
+#endif
+#endif
enable_mmu();
+#ifndef CONFIG_OF
ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV);
printk(KERN_NOTICE "Boot params:\n"
@@ -299,6 +316,9 @@ void __init setup_arch(char **cmdline_p)
bss_resource.start = virt_to_phys(__bss_start);
bss_resource.end = virt_to_phys(__bss_stop)-1;
+#endif
+
+#ifndef CHOSEN_BOOTARGS
#ifdef CONFIG_CMDLINE_OVERWRITE
strscpy(command_line, CONFIG_CMDLINE, sizeof(command_line));
#else
@@ -307,11 +327,13 @@ void __init setup_arch(char **cmdline_p)
strlcat(command_line, " ", sizeof(command_line));
strlcat(command_line, CONFIG_CMDLINE, sizeof(command_line));
#endif
-#endif
-
+#endif /* CONFIG_CMDLINE_OVERWRITE */
/* Save unparsed command line copy for /proc/cmdline */
memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE);
*cmdline_p = command_line;
+#else
+ *cmdline_p = boot_command_line;
+#endif
parse_early_param();
@@ -322,14 +344,6 @@ void __init setup_arch(char **cmdline_p)
/* Let earlyprintk output early console messages */
sh_early_platform_driver_probe("earlyprintk", 1, 1);
-#ifdef CONFIG_OF_EARLY_FLATTREE
-#ifdef CONFIG_USE_BUILTIN_DTB
- unflatten_and_copy_device_tree();
-#else
- unflatten_device_tree();
-#endif
-#endif
-
paging_init();
/* Perform the machine specific initialisation */
Fix extrnal fdt initialize and bootargs. Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> --- arch/sh/kernel/setup.c | 36 +++++++++++++++++++++++++----------- 1 file changed, 25 insertions(+), 11 deletions(-)