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>

3 files changed, 172 insertions, 1 deletions

diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
index cc543430170f..7b2edd799fb4 100644
--- a/arch/arm/mach-shmobile/Kconfig
+++ b/arch/arm/mach-shmobile/Kconfig
@@ -51,6 +51,11 @@ config AP4EVB_WVGA
 
 endchoice
 
+config MACH_MACKEREL
+        bool "mackerel board"
+        depends on ARCH_SH7372
+        select ARCH_REQUIRE_GPIOLIB
+
 comment "SH-Mobile System Configuration"
 
 menu "Memory configuration"
@@ -59,7 +64,7 @@ config MEMORY_START
         hex "Physical memory start address"
         default "0x50000000" if MACH_G3EVM
         default "0x40000000" if MACH_G4EVM
-        default "0x40000000" if MACH_AP4EVB
+        default "0x40000000" if MACH_AP4EVB || MACH_MACKEREL
         default "0x00000000"
         ---help---
           Tweak this only when porting to a new machine which does not
diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile
index ae416fe7daf2..11f3242ffc1d 100644
--- a/arch/arm/mach-shmobile/Makefile
+++ b/arch/arm/mach-shmobile/Makefile
@@ -20,3 +20,4 @@ obj-$(CONFIG_GENERIC_GPIO)	+= $(pfc-y)
 obj-$(CONFIG_MACH_G3EVM)        += board-g3evm.o
 obj-$(CONFIG_MACH_G4EVM)        += board-g4evm.o
 obj-$(CONFIG_MACH_AP4EVB)       += board-ap4evb.o
+obj-$(CONFIG_MACH_MACKEREL)     += board-mackerel.o
diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
new file mode 100644
index 000000000000..b8df70928891
--- /dev/null
+++ b/arch/arm/mach-shmobile/board-mackerel.c
@@ -0,0 +1,165 @@
+/*
+ * 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