ARM: mach-shmobile: Add mackerel board support (920adc75) · Commits · jan.koester / Linux

arch/arm/mach-shmobile/Kconfig

+6 −1

Original line number	Diff line number	Diff line
		@@ -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

arch/arm/mach-shmobile/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -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

arch/arm/mach-shmobile/board-mackerel.c

0 → 100644

+165 −0

Original line number	Diff line number	Diff line
		/*
		* 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