git pull denx master

4 files changed, 95 insertions, 24 deletions

diff --git a/arch/sh/lib/Makefile b/arch/sh/lib/Makefile
index 7f60396..c0670cb 100644
--- a/arch/sh/lib/Makefile
+++ b/arch/sh/lib/Makefile
@@ -31,6 +31,9 @@ COBJS-y	+= time_sh2.o
 else
 COBJS-y	+= time.o
 endif
+ifeq ($(CONFIG_CMD_SH_ZIMAGEBOOT),y)
+COBJS-y += zimageboot.o
+endif
 
 SRCS	:= $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
diff --git a/arch/sh/lib/board.c b/arch/sh/lib/board.c
index fe53ab4..968566c 100644
--- a/arch/sh/lib/board.c
+++ b/arch/sh/lib/board.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007,2008
+ * Copyright (C) 2007, 2008, 2010
  * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
  *
  * This program is free software; you can redistribute it and/or
@@ -32,6 +32,8 @@
 #include <miiphy.h>
 #endif
 
+DECLARE_GLOBAL_DATA_PTR;
+
 extern int cpu_init(void);
 extern int board_init(void);
 extern int dram_init(void);
@@ -43,10 +45,12 @@ unsigned long monitor_flash_len = CONFIG_SYS_MONITOR_LEN;
 
 static int sh_flash_init(void)
 {
-	DECLARE_GLOBAL_DATA_PTR;
-
 	gd->bd->bi_flashsize = flash_init();
-	printf("FLASH: %ldMB\n", gd->bd->bi_flashsize / (1024*1024));
+
+	if (gd->bd->bi_flashsize >= (1024 * 1024))
+		printf("Flash: %ldMB\n", gd->bd->bi_flashsize / (1024*1024));
+	else
+		printf("Flash: %ldKB\n", gd->bd->bi_flashsize / 1024);
 
 	return 0;
 }
@@ -99,7 +103,6 @@ static int sh_mem_env_init(void)
 #if defined(CONFIG_CMD_NET)
 static int sh_net_init(void)
 {
-	DECLARE_GLOBAL_DATA_PTR;
 	gd->bd->bi_ip_addr = getenv_IPaddr("ipaddr");
 	return 0;
 }
@@ -139,8 +142,6 @@ init_fnc_t *init_sequence[] =
 
 void sh_generic_init(void)
 {
-	DECLARE_GLOBAL_DATA_PTR;
-
 	bd_t *bd;
 	init_fnc_t **init_fnc_ptr;
 
diff --git a/arch/sh/lib/bootm.c b/arch/sh/lib/bootm.c
index 19b3a94..57273fa 100644
--- a/arch/sh/lib/bootm.c
+++ b/arch/sh/lib/bootm.c
@@ -27,6 +27,7 @@
 #include <common.h>
 #include <command.h>
 #include <asm/byteorder.h>
+#include <asm/zimage.h>
 
 #ifdef CONFIG_SYS_DEBUG
 static void hexdump(unsigned char *buf, int len)
@@ -43,19 +44,6 @@ static void hexdump(unsigned char *buf, int len)
 }
 #endif
 
-#define MOUNT_ROOT_RDONLY	0x000
-#define RAMDISK_FLAGS		0x004
-#define ORIG_ROOT_DEV		0x008
-#define LOADER_TYPE			0x00c
-#define INITRD_START		0x010
-#define INITRD_SIZE			0x014
-#define COMMAND_LINE		0x100
-
-#define RD_PROMPT	(1<<15)
-#define RD_DOLOAD	(1<<14)
-#define CMD_ARG_RD_PROMPT	"prompt_ramdisk="
-#define CMD_ARG_RD_DOLOAD	"load_ramdisk="
-
 #ifdef CONFIG_SH_SDRAM_OFFSET
 #define GET_INITRD_START(initrd, linux) (initrd - linux + CONFIG_SH_SDRAM_OFFSET)
 #else
@@ -94,13 +82,12 @@ int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *ima
 	if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
 		return 1;
 
-	/* Setup parameters */
-	memset(param, 0, size);	/* Clear zero page */
+	/* Clear zero page */
+	memset(param, 0, size);
 
 	/* Set commandline */
 	strcpy(cmdline, bootargs);
 
-	sh_check_cmd_arg(bootargs, CMD_ARG_RD_DOLOAD, 10);
 	/* Initrd */
 	if (images->rd_start || images->rd_end) {
 		unsigned long ramdisk_flags = 0;
@@ -128,7 +115,7 @@ int do_bootm_linux(int flag, int argc, char * const argv[], bootm_headers_t *ima
 
 	/* Boot kernel */
 	kernel();
-	/* does not return */
 
+	/* does not return */
 	return 1;
 }
diff --git a/arch/sh/lib/zimageboot.c b/arch/sh/lib/zimageboot.c
new file mode 100644
index 0000000..dd413c0
--- /dev/null
+++ b/arch/sh/lib/zimageboot.c
@@ -0,0 +1,80 @@
+/*
+ * (C) Copyright 2010
+ *   Renesas Solutions Corp.
+ *   Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * Linux SuperH zImage loading and boot
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/zimage.h>
+
+int do_sh_zimageboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	ulong (*zboot_entry)(int, char * const []) = NULL;
+	char *s0, *s1;
+	unsigned char *param = NULL;
+	char *cmdline;
+	char *bootargs;
+
+	disable_interrupts();
+
+	if (argc >= 3) {
+		/* argv[1] holds the address of the zImage */
+		s0 = argv[1];
+		/* argv[2] holds the address of zero page */
+		s1 = argv[2];
+	} else {
+		goto exit;
+	}
+
+	if (s0)
+		zboot_entry = (ulong (*)(int, char * const []))simple_strtoul(s0, NULL, 16);
+
+	/* empty_zero_page */
+	if (s1)
+		param = (unsigned char*)simple_strtoul(s1, NULL, 16);
+
+	/* Linux kernel command line */
+	cmdline = (char *)param + COMMAND_LINE;
+	bootargs = getenv("bootargs");
+
+	/* Clear zero page */
+	memset(param, 0, 0x1000);
+
+	/* Set commandline */
+	strcpy(cmdline, bootargs);
+
+	/* Boot */
+	zboot_entry(0, NULL);
+
+exit:
+	return -1;
+}
+
+U_BOOT_CMD(
+	zimageboot, 3, 0,	do_sh_zimageboot,
+	"Boot zImage for Renesas SH",
+	""
+);