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Commit bc34b085 authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: Add support for AP-SH4A-3A board. 

This adds preliminary support for the alpha project AP-SH4A-3A reference
platform (SH7785 based).

Additional paltform information available at:

	http://www.apnet.co.jp/product/superh/ap-sh4a-3a.html



Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 704bf317

arch/sh/boards/Kconfig

+7 −0
Original line number Diff line number Diff line
@@ -323,6 +323,13 @@ config SH_SH2007 
	  Compact Flash socket, two serial ports and PC-104 bus.

	  More information at <http://sh2000.sh-linux.org>.



config SH_APSH4A3A

	bool "AP-SH4A-3A"

	select SH_ALPHA_BOARD

	depends on CPU_SUBTYPE_SH7785

	help

	  Select AP-SH4A-3A if configuring for an ALPHAPROJECT AP-SH4A-3A.



endmenu



source "arch/sh/boards/mach-r2d/Kconfig"

arch/sh/boards/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -13,3 +13,4 @@ obj-$(CONFIG_SH_ESPT) += board-espt.o 
obj-$(CONFIG_SH_POLARIS)	+= board-polaris.o

obj-$(CONFIG_SH_TITAN)		+= board-titan.o

obj-$(CONFIG_SH_SH7757LCR)	+= board-sh7757lcr.o

obj-$(CONFIG_SH_APSH4A3A)	+= board-apsh4a3a.o

arch/sh/boards/board-apsh4a3a.c

0 → 100644
+175 −0
Original line number Diff line number Diff line 
/*

 * ALPHAPROJECT AP-SH4A-3A Support.

 *

 * Copyright (C) 2010 ALPHAPROJECT Co.,Ltd.

 * Copyright (C) 2008  Yoshihiro Shimoda

 * Copyright (C) 2009  Paul Mundt

 *

 * 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/io.h>

#include <linux/mtd/physmap.h>

#include <linux/smsc911x.h>

#include <linux/irq.h>

#include <linux/clk.h>

#include <asm/machvec.h>

#include <asm/sizes.h>

#include <asm/clock.h>



static struct mtd_partition nor_flash_partitions[] = {

	{

		.name		= "loader",

		.offset		= 0x00000000,

		.size		= 512 * 1024,

	},

	{

		.name		= "bootenv",

		.offset		= MTDPART_OFS_APPEND,

		.size		= 512 * 1024,

	},

	{

		.name		= "kernel",

		.offset		= MTDPART_OFS_APPEND,

		.size		= 4 * 1024 * 1024,

	},

	{

		.name		= "data",

		.offset		= MTDPART_OFS_APPEND,

		.size		= MTDPART_SIZ_FULL,

	},

};



static struct physmap_flash_data nor_flash_data = {

	.width		= 4,

	.parts		= nor_flash_partitions,

	.nr_parts	= ARRAY_SIZE(nor_flash_partitions),

};



static struct resource nor_flash_resources[] = {

	[0]	= {

		.start	= 0x00000000,

		.end	= 0x01000000 - 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 resource smsc911x_resources[] = {

	[0] = {

		.name		= "smsc911x-memory",

		.start		= 0xA4000000,

		.end		= 0xA4000000 + SZ_256 - 1,

		.flags		= IORESOURCE_MEM,

	},

	[1] = {

		.name		= "smsc911x-irq",

		.start		= evt2irq(0x200),

		.end		= evt2irq(0x200),

		.flags		= IORESOURCE_IRQ,

	},

};



static struct smsc911x_platform_config smsc911x_config = {

	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,

	.irq_type	= SMSC911X_IRQ_TYPE_OPEN_DRAIN,

	.flags		= SMSC911X_USE_16BIT,

	.phy_interface	= PHY_INTERFACE_MODE_MII,

};



static struct platform_device smsc911x_device = {

	.name		= "smsc911x",

	.id		= -1,

	.num_resources	= ARRAY_SIZE(smsc911x_resources),

	.resource	= smsc911x_resources,

	.dev = {

		.platform_data = &smsc911x_config,

	},

};



static struct platform_device *apsh4a3a_devices[] __initdata = {

	&nor_flash_device,

	&smsc911x_device,

};



static int __init apsh4a3a_devices_setup(void)

{

	return platform_add_devices(apsh4a3a_devices,

				    ARRAY_SIZE(apsh4a3a_devices));

}

device_initcall(apsh4a3a_devices_setup);



static int apsh4a3a_clk_init(void)

{

	struct clk *clk;

	int ret;



	clk = clk_get(NULL, "extal");

	if (!clk || IS_ERR(clk))

		return PTR_ERR(clk);

	ret = clk_set_rate(clk, 33333000);

	clk_put(clk);



	return ret;

}



/* Initialize the board */

static void __init apsh4a3a_setup(char **cmdline_p)

{

	printk(KERN_INFO "Alpha Project AP-SH4A-3A support:\n");

}



static void __init apsh4a3a_init_irq(void)

{

	plat_irq_setup_pins(IRQ_MODE_IRQ7654);

}



/* Return the board specific boot mode pin configuration */

static int apsh4a3a_mode_pins(void)

{

	int value = 0;



	/* These are the factory default settings of SW1 and SW2.

	 * If you change these dip switches then you will need to

	 * adjust the values below as well.

	 */

	value &= ~MODE_PIN0;  /* Clock Mode 16 */

	value &= ~MODE_PIN1;

	value &= ~MODE_PIN2;

	value &= ~MODE_PIN3;

	value |=  MODE_PIN4;

	value &= ~MODE_PIN5;  /* 16-bit Area0 bus width */

	value |=  MODE_PIN6;  /* Area 0 SRAM interface */

	value |=  MODE_PIN7;

	value |=  MODE_PIN8;  /* Little Endian */

	value |=  MODE_PIN9;  /* Master Mode */

	value |=  MODE_PIN10; /* Crystal resonator */

	value |=  MODE_PIN11; /* Display Unit */

	value |=  MODE_PIN12;

	value &= ~MODE_PIN13; /* 29-bit address mode */

	value |=  MODE_PIN14; /* No PLL step-up */



	return value;

}



/*

 * The Machine Vector

 */

static struct sh_machine_vector mv_apsh4a3a __initmv = {

	.mv_name		= "AP-SH4A-3A",

	.mv_setup		= apsh4a3a_setup,

	.mv_clk_init		= apsh4a3a_clk_init,

	.mv_init_irq		= apsh4a3a_init_irq,

	.mv_mode_pins		= apsh4a3a_mode_pins,

};

arch/sh/configs/apsh4a3a_defconfig

0 → 100644
+102 −0
Original line number Diff line number Diff line 
CONFIG_EXPERIMENTAL=y

CONFIG_SYSVIPC=y

CONFIG_BSD_PROCESS_ACCT=y

CONFIG_IKCONFIG=y

CONFIG_IKCONFIG_PROC=y

CONFIG_LOG_BUF_SHIFT=14

CONFIG_SYSFS_DEPRECATED=y

CONFIG_SYSFS_DEPRECATED_V2=y

CONFIG_BLK_DEV_INITRD=y

CONFIG_SLAB=y

CONFIG_PROFILING=y

CONFIG_MODULES=y

CONFIG_MODULE_UNLOAD=y

# CONFIG_BLK_DEV_BSG is not set

CONFIG_CPU_SUBTYPE_SH7785=y

CONFIG_MEMORY_START=0x0C000000

CONFIG_FLATMEM_MANUAL=y

CONFIG_SH_STORE_QUEUES=y

CONFIG_SH_APSH4A3A=y

CONFIG_HIGH_RES_TIMERS=y

CONFIG_KEXEC=y

CONFIG_PREEMPT=y

# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set

CONFIG_NET=y

CONFIG_PACKET=y

CONFIG_UNIX=y

CONFIG_INET=y

CONFIG_IP_ADVANCED_ROUTER=y

CONFIG_IP_PNP=y

CONFIG_IP_PNP_DHCP=y

# CONFIG_INET_LRO is not set

# CONFIG_IPV6 is not set

# CONFIG_WIRELESS is not set

CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"

# CONFIG_FW_LOADER is not set

CONFIG_MTD=y

CONFIG_MTD_CONCAT=y

CONFIG_MTD_PARTITIONS=y

CONFIG_MTD_CHAR=y

CONFIG_MTD_BLOCK=y

CONFIG_MTD_CFI=y

CONFIG_MTD_CFI_AMDSTD=y

CONFIG_MTD_PHYSMAP=y

CONFIG_BLK_DEV_RAM=y

CONFIG_BLK_DEV_RAM_SIZE=16384

CONFIG_NETDEVICES=y

CONFIG_NET_ETHERNET=y

CONFIG_SMSC911X=y

# CONFIG_NETDEV_1000 is not set

# CONFIG_NETDEV_10000 is not set

# CONFIG_WLAN is not set

# CONFIG_INPUT_MOUSEDEV is not set

# CONFIG_INPUT_KEYBOARD is not set

# CONFIG_INPUT_MOUSE is not set

# CONFIG_SERIO is not set

CONFIG_VT_HW_CONSOLE_BINDING=y

CONFIG_SERIAL_SH_SCI=y

CONFIG_SERIAL_SH_SCI_NR_UARTS=6

CONFIG_SERIAL_SH_SCI_CONSOLE=y

CONFIG_HW_RANDOM=y

# CONFIG_HWMON is not set

CONFIG_FB=y

CONFIG_FB_SH7785FB=y

CONFIG_FRAMEBUFFER_CONSOLE=y

CONFIG_FONTS=y

CONFIG_FONT_8x8=y

CONFIG_FONT_8x16=y

CONFIG_LOGO=y

# CONFIG_HID_SUPPORT is not set

# CONFIG_USB_SUPPORT is not set

CONFIG_EXT2_FS=y

CONFIG_EXT3_FS=y

# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set

CONFIG_MSDOS_FS=y

CONFIG_VFAT_FS=y

CONFIG_NTFS_FS=y

CONFIG_NTFS_RW=y

CONFIG_PROC_KCORE=y

CONFIG_TMPFS=y

CONFIG_JFFS2_FS=y

CONFIG_CRAMFS=y

CONFIG_NFS_FS=y

CONFIG_NFS_V3=y

CONFIG_NFS_V4=y

CONFIG_CIFS=y

CONFIG_NLS_DEFAULT="utf8"

CONFIG_NLS_CODEPAGE_437=y

CONFIG_NLS_CODEPAGE_932=y

CONFIG_NLS_ASCII=y

CONFIG_NLS_ISO8859_1=y

CONFIG_NLS_UTF8=y

# CONFIG_ENABLE_WARN_DEPRECATED is not set

# CONFIG_ENABLE_MUST_CHECK is not set

CONFIG_DEBUG_FS=y

CONFIG_DEBUG_KERNEL=y

# CONFIG_DEBUG_PREEMPT is not set

# CONFIG_DEBUG_BUGVERBOSE is not set

CONFIG_DEBUG_INFO=y

# CONFIG_RCU_CPU_STALL_DETECTOR is not set

# CONFIG_FTRACE is not set

# CONFIG_CRYPTO_ANSI_CPRNG is not set

# CONFIG_CRYPTO_HW is not set

arch/sh/tools/mach-types

+1 −0
Original line number Diff line number Diff line
@@ -62,3 +62,4 @@ ESPT SH_ESPT 
POLARIS			SH_POLARIS

KFR2R09			SH_KFR2R09

ECOVEC			SH_ECOVEC

APSH4A3A		SH_APSH4A3A