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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2010-11-29 02:21:21 +0000
committerPaul Mundt <lethal@linux-sh.org>2010-11-29 13:05:10 +0900
commit920adc75d51d23fe3e8a7ce2c946b2b24e6f7742 (patch)
tree53e4669e8c923d4d96d963fd82749d88043c0f59 /arch/arm/mach-shmobile/board-mackerel.c
parent6d72ad35f1bfaf6e52ca7133cb51ce0e36f17528 (diff)
downloadop-kernel-dev-920adc75d51d23fe3e8a7ce2c946b2b24e6f7742.zip
op-kernel-dev-920adc75d51d23fe3e8a7ce2c946b2b24e6f7742.tar.gz
ARM: mach-shmobile: Add mackerel board support
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/arm/mach-shmobile/board-mackerel.c')
-rw-r--r--arch/arm/mach-shmobile/board-mackerel.c165
1 files changed, 165 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
new file mode 100644
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--- /dev/null
+++ b/arch/arm/mach-shmobile/board-mackerel.c
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+/*
+ * mackerel board support
+ *
+ * Copyright (C) 2010 Renesas Solutions Corp.
+ * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * based on ap4evb
+ * Copyright (C) 2010 Magnus Damm
+ * Copyright (C) 2008 Yoshihiro Shimoda
+ *
+ * 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; version 2 of the License.
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/input.h>
+#include <linux/io.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+
+#include <mach/common.h>
+#include <mach/sh7372.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <asm/mach/map.h>
+#include <asm/mach-types.h>
+
+/*
+ * Address Interface BusWidth note
+ * ------------------------------------------------------------------
+ * 0x0000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = ON
+ * 0x0800_0000 user area -
+ * 0x1000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = OFF
+ * 0x1400_0000 Ether (LAN9220) 16bit
+ * 0x1600_0000 user area - cannot use with NAND
+ * 0x1800_0000 user area -
+ * 0x1A00_0000 -
+ * 0x4000_0000 LPDDR2-SDRAM (POP) 32bit
+ */
+
+/* MTD */
+static struct mtd_partition nor_flash_partitions[] = {
+ {
+ .name = "loader",
+ .offset = 0x00000000,
+ .size = 512 * 1024,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ {
+ .name = "bootenv",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 512 * 1024,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ {
+ .name = "kernel_ro",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 8 * 1024 * 1024,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ {
+ .name = "kernel",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 8 * 1024 * 1024,
+ },
+ {
+ .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 = 0x00000000,
+ .end = 0x08000000 - 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 *mackerel_devices[] __initdata = {
+ &nor_flash_device,
+};
+
+static struct map_desc mackerel_io_desc[] __initdata = {
+ /* create a 1:1 entity map for 0xe6xxxxxx
+ * used by CPGA, INTC and PFC.
+ */
+ {
+ .virtual = 0xe6000000,
+ .pfn = __phys_to_pfn(0xe6000000),
+ .length = 256 << 20,
+ .type = MT_DEVICE_NONSHARED
+ },
+};
+
+static void __init mackerel_map_io(void)
+{
+ iotable_init(mackerel_io_desc, ARRAY_SIZE(mackerel_io_desc));
+
+ /* setup early devices and console here as well */
+ sh7372_add_early_devices();
+ shmobile_setup_console();
+}
+
+static void __init mackerel_init(void)
+{
+ sh7372_pinmux_init();
+
+ /* enable SCIFA0 */
+ gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
+ gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
+
+ sh7372_add_standard_devices();
+
+ platform_add_devices(mackerel_devices, ARRAY_SIZE(mackerel_devices));
+}
+
+static void __init mackerel_timer_init(void)
+{
+ sh7372_clock_init();
+ shmobile_timer.init();
+}
+
+static struct sys_timer mackerel_timer = {
+ .init = mackerel_timer_init,
+};
+
+MACHINE_START(MACKEREL, "mackerel")
+ .map_io = mackerel_map_io,
+ .init_irq = sh7372_init_irq,
+ .init_machine = mackerel_init,
+ .timer = &mackerel_timer,
+MACHINE_END
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