sh: Urquell board support.

This adds preliminary support for the SH7786-based Urquell board. Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2009-03-03 16:22:00 +09:00
parent 37042fbd8b
commit 5ac072e110
6 changed files with 737 additions and 0 deletions
--- a/arch/sh/boards/board-urquell.c
+++ b/arch/sh/boards/board-urquell.c
@@ -0,0 +1,128 @@
+/*
+ * Renesas Technology Corp. SH7786 Urquell Support.
+ *
+ * Copyright (C) 2008  Kuninori Morimoto <morimoto.kuninori@renesas.com>
+ * Copyright (C) 2008  Yoshihiro Shimoda
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/fb.h>
+#include <linux/mtd/physmap.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/irq.h>
+#include <mach/urquell.h>
+#include <cpu/sh7786.h>
+#include <asm/heartbeat.h>
+#include <asm/sizes.h>
+
+static struct resource heartbeat_resources[] = {
+	[0] = {
+		.start	= BOARDREG(SLEDR),
+		.end	= BOARDREG(SLEDR),
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct heartbeat_data heartbeat_data = {
+	.regsize = 16,
+};
+
+static struct platform_device heartbeat_device = {
+	.name		= "heartbeat",
+	.id		= -1,
+	.dev	= {
+		.platform_data	= &heartbeat_data,
+	},
+	.num_resources	= ARRAY_SIZE(heartbeat_resources),
+	.resource	= heartbeat_resources,
+};
+
+static struct mtd_partition nor_flash_partitions[] = {
+	{
+		.name		= "loader",
+		.offset		= 0x00000000,
+		.size		= SZ_512K,
+		.mask_flags	= MTD_WRITEABLE,	/* Read-only */
+	},
+	{
+		.name		= "bootenv",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= SZ_512K,
+		.mask_flags	= MTD_WRITEABLE,	/* Read-only */
+	},
+	{
+		.name		= "kernel",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= SZ_4M,
+	},
+	{
+		.name		= "data",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= MTDPART_SIZ_FULL,
+	},
+};
+
+static struct physmap_flash_data nor_flash_data = {
+	.width		= 2,
+	.parts		= nor_flash_partitions,
+	.nr_parts	= ARRAY_SIZE(nor_flash_partitions),
+};
+
+static struct resource nor_flash_resources[] = {
+	[0] = {
+		.start	= NOR_FLASH_ADDR,
+		.end	= NOR_FLASH_ADDR + NOR_FLASH_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	}
+};
+
+static struct platform_device nor_flash_device = {
+	.name		= "physmap-flash",
+	.dev		= {
+		.platform_data	= &nor_flash_data,
+	},
+	.num_resources	= ARRAY_SIZE(nor_flash_resources),
+	.resource	= nor_flash_resources,
+};
+
+static struct platform_device *urquell_devices[] __initdata = {
+	&heartbeat_device,
+	&nor_flash_device,
+};
+
+static int __init urquell_devices_setup(void)
+{
+	/* USB */
+	gpio_request(GPIO_FN_USB_OVC0,  NULL);
+	gpio_request(GPIO_FN_USB_PENC0, NULL);
+
+	return platform_add_devices(urquell_devices,
+				    ARRAY_SIZE(urquell_devices));
+}
+device_initcall(urquell_devices_setup);
+
+static void urquell_power_off(void)
+{
+	__raw_writew(0xa5a5, UBOARDREG(SRSTR));
+}
+
+/* Initialize the board */
+static void __init urquell_setup(char **cmdline_p)
+{
+	printk(KERN_INFO "Renesas Technology Corp. Urquell support.\n");
+
+	pm_power_off = urquell_power_off;
+}
+
+/*
+ * The Machine Vector
+ */
+static struct sh_machine_vector mv_urquell __initmv = {
+	.mv_name	= "Urquell",
+	.mv_setup	= urquell_setup,
+};