text: /*
   * G4EVM board support
   *
   * 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/delay.h>
  #include <linux/mtd/mtd.h>
  #include <linux/mtd/partitions.h>
  #include <linux/mtd/physmap.h>
  #include <linux/regulator/fixed.h>
  #include <linux/regulator/machine.h>
  #include <linux/usb/r8a66597.h>
  #include <linux/io.h>
  #include <linux/input.h>
  #include <linux/input/sh_keysc.h>
  #include <linux/mmc/host.h>
  #include <linux/mmc/sh_mobile_sdhi.h>
  #include <linux/gpio.h>
  #include <linux/dma-mapping.h>
  #include <mach/irqs.h>
  #include <mach/sh7377.h>
  #include <mach/common.h>
  #include <asm/mach-types.h>
  #include <asm/mach/arch.h>
  
  #include "sh-gpio.h"
  
  /*
   * SDHI
   *
   * SDHI0 : card detection is possible
   * SDHI1 : card detection is impossible
   *
   * [G4-MAIN-BOARD]
   * JP74 : short		# DBG_2V8A    for SDHI0
   * JP75 : NC		# DBG_3V3A    for SDHI0
   * JP76 : NC		# DBG_3V3A_SD for SDHI0
   * JP77 : NC		# 3V3A_SDIO   for SDHI1
   * JP78 : short		# DBG_2V8A    for SDHI1
   * JP79 : NC		# DBG_3V3A    for SDHI1
   * JP80 : NC		# DBG_3V3A_SD for SDHI1
   *
   * [G4-CORE-BOARD]
   * S32 : all off	# to dissever from G3-CORE_DBG board
   * S33 : all off	# to dissever from G3-CORE_DBG board
   *
   * [G3-CORE_DBG-BOARD]
   * S1  : all off	# to dissever from G3-CORE_DBG board
   * S3  : all off	# to dissever from G3-CORE_DBG board
   * S4  : all off	# to dissever from G3-CORE_DBG board
   */
  
  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_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,
  };
  
  /* USBHS */
  static void usb_host_port_power(int port, int power)
  {
  	if (!power) /* only power-on supported for now */
  		return;
  
  	/* set VBOUT/PWEN and EXTLP0 in DVSTCTR */
  	__raw_writew(__raw_readw(IOMEM(0xe6890008)) | 0x600, IOMEM(0xe6890008));
  }
  
  static struct r8a66597_platdata usb_host_data = {
  	.on_chip = 1,
  	.port_power = usb_host_port_power,
  };
  
  static struct resource usb_host_resources[] = {
  	[0] = {
  		.name	= "USBHS",
  		.start	= 0xe6890000,
  		.end	= 0xe68900e5,
  		.flags	= IORESOURCE_MEM,
  	},
  	[1] = {
  		.start	= evt2irq(0x0a20), /* USBHS_USHI0 */
  		.flags	= IORESOURCE_IRQ,
  	},
  };
  
  static struct platform_device usb_host_device = {
  	.name		= "r8a66597_hcd",
  	.id		= 0,
  	.dev = {
  		.platform_data		= &usb_host_data,
  		.dma_mask		= NULL,
  		.coherent_dma_mask	= 0xffffffff,
  	},
  	.num_resources	= ARRAY_SIZE(usb_host_resources),
  	.resource	= usb_host_resources,
  };
  
  /* KEYSC */
  static struct sh_keysc_info keysc_info = {
  	.mode		= SH_KEYSC_MODE_5,
  	.scan_timing	= 3,
  	.delay		= 100,
  	.keycodes = {
  		KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F,
  		KEY_G, KEY_H, KEY_I, KEY_J, KEY_K, KEY_L,
  		KEY_M, KEY_N, KEY_U, KEY_P, KEY_Q, KEY_R,
  		KEY_S, KEY_T, KEY_U, KEY_V, KEY_W, KEY_X,
  		KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP, KEY_WAKEUP, KEY_COFFEE,
  		KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5,
  		KEY_6, KEY_7, KEY_8, KEY_9, KEY_STOP, KEY_COMPUTER,
  	},
  };
  
  static struct resource keysc_resources[] = {
  	[0] = {
  		.name	= "KEYSC",
  		.start  = 0xe61b0000,
  		.end    = 0xe61b000f,
  		.flags  = IORESOURCE_MEM,
  	},
  	[1] = {
  		.start  = evt2irq(0x0be0), /* KEYSC_KEY */
  		.flags  = IORESOURCE_IRQ,
  	},
  };
  
  static struct platform_device keysc_device = {
  	.name           = "sh_keysc",
  	.id             = 0, /* keysc0 clock */
  	.num_resources  = ARRAY_SIZE(keysc_resources),
  	.resource       = keysc_resources,
  	.dev	= {
  		.platform_data	= &keysc_info,
  	},
  };
  
  /* Fixed 3.3V regulator to be used by SDHI0 and SDHI1 */
  static struct regulator_consumer_supply fixed3v3_power_consumers[] =
  {
  	REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
  	REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
  	REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
  	REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
  };
  
  /* SDHI */
  static struct sh_mobile_sdhi_info sdhi0_info = {
  	.tmio_caps	= MMC_CAP_SDIO_IRQ,
  };
  
  static struct resource sdhi0_resources[] = {
  	[0] = {
  		.name	= "SDHI0",
  		.start  = 0xe6d50000,
  		.end    = 0xe6d500ff,
  		.flags  = IORESOURCE_MEM,
  	},
  	[1] = {
  		.start  = evt2irq(0x0e00), /* SDHI0 */
  		.flags  = IORESOURCE_IRQ,
  	},
  };
  
  static struct platform_device sdhi0_device = {
  	.name           = "sh_mobile_sdhi",
  	.num_resources  = ARRAY_SIZE(sdhi0_resources),
  	.resource       = sdhi0_resources,
  	.id             = 0,
  	.dev	= {
  		.platform_data	= &sdhi0_info,
  	},
  };
  
  static struct sh_mobile_sdhi_info sdhi1_info = {
  	.tmio_caps	= MMC_CAP_NONREMOVABLE | MMC_CAP_SDIO_IRQ,
  };
  
  static struct resource sdhi1_resources[] = {
  	[0] = {
  		.name	= "SDHI1",
  		.start  = 0xe6d60000,
  		.end    = 0xe6d600ff,
  		.flags  = IORESOURCE_MEM,
  	},
  	[1] = {
  		.start  = evt2irq(0x0e80), /* SDHI1 */
  		.flags  = IORESOURCE_IRQ,
  	},
  };
  
  static struct platform_device sdhi1_device = {
  	.name           = "sh_mobile_sdhi",
  	.num_resources  = ARRAY_SIZE(sdhi1_resources),
  	.resource       = sdhi1_resources,
  	.id             = 1,
  	.dev	= {
  		.platform_data	= &sdhi1_info,
  	},
  };
  
  static struct platform_device *g4evm_devices[] __initdata = {
  	&nor_flash_device,
  	&usb_host_device,
  	&keysc_device,
  	&sdhi0_device,
  	&sdhi1_device,
  };
  
  #define GPIO_SDHID0_D0	IOMEM(0xe60520fc)
  #define GPIO_SDHID0_D1	IOMEM(0xe60520fd)
  #define GPIO_SDHID0_D2	IOMEM(0xe60520fe)
  #define GPIO_SDHID0_D3	IOMEM(0xe60520ff)
  #define GPIO_SDHICMD0	IOMEM(0xe6052100)
  
  #define GPIO_SDHID1_D0	IOMEM(0xe6052103)
  #define GPIO_SDHID1_D1	IOMEM(0xe6052104)
  #define GPIO_SDHID1_D2	IOMEM(0xe6052105)
  #define GPIO_SDHID1_D3	IOMEM(0xe6052106)
  #define GPIO_SDHICMD1	IOMEM(0xe6052107)
  
  static void __init g4evm_init(void)
  {
  	regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
  				     ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
  
  	sh7377_pinmux_init();
  
  	/* Lit DS14 LED */
  	gpio_request(GPIO_PORT109, NULL);
  	gpio_direction_output(GPIO_PORT109, 1);
  	gpio_export(GPIO_PORT109, 1);
  
  	/* Lit DS15 LED */
  	gpio_request(GPIO_PORT110, NULL);
  	gpio_direction_output(GPIO_PORT110, 1);
  	gpio_export(GPIO_PORT110, 1);
  
  	/* Lit DS16 LED */
  	gpio_request(GPIO_PORT112, NULL);
  	gpio_direction_output(GPIO_PORT112, 1);
  	gpio_export(GPIO_PORT112, 1);
  
  	/* Lit DS17 LED */
  	gpio_request(GPIO_PORT113, NULL);
  	gpio_direction_output(GPIO_PORT113, 1);
  	gpio_export(GPIO_PORT113, 1);
  
  	/* USBHS */
  	gpio_request(GPIO_FN_VBUS_0, NULL);
  	gpio_request(GPIO_FN_PWEN, NULL);
  	gpio_request(GPIO_FN_OVCN, NULL);
  	gpio_request(GPIO_FN_OVCN2, NULL);
  	gpio_request(GPIO_FN_EXTLP, NULL);
  	gpio_request(GPIO_FN_IDIN, NULL);
  
  	/* setup USB phy */
  	__raw_writew(0x0200, IOMEM(0xe605810a));       /* USBCR1 */
  	__raw_writew(0x00e0, IOMEM(0xe60581c0));       /* CPFCH */
  	__raw_writew(0x6010, IOMEM(0xe60581c6));       /* CGPOSR */
  	__raw_writew(0x8a0a, IOMEM(0xe605810c));       /* USBCR2 */
  
  	/* KEYSC @ CN31 */
  	gpio_request(GPIO_FN_PORT60_KEYOUT5, NULL);
  	gpio_request(GPIO_FN_PORT61_KEYOUT4, NULL);
  	gpio_request(GPIO_FN_PORT62_KEYOUT3, NULL);
  	gpio_request(GPIO_FN_PORT63_KEYOUT2, NULL);
  	gpio_request(GPIO_FN_PORT64_KEYOUT1, NULL);
  	gpio_request(GPIO_FN_PORT65_KEYOUT0, NULL);
  	gpio_request(GPIO_FN_PORT66_KEYIN0_PU, NULL);
  	gpio_request(GPIO_FN_PORT67_KEYIN1_PU, NULL);
  	gpio_request(GPIO_FN_PORT68_KEYIN2_PU, NULL);
  	gpio_request(GPIO_FN_PORT69_KEYIN3_PU, NULL);
  	gpio_request(GPIO_FN_PORT70_KEYIN4_PU, NULL);
  	gpio_request(GPIO_FN_PORT71_KEYIN5_PU, NULL);
  	gpio_request(GPIO_FN_PORT72_KEYIN6_PU, NULL);
  
  	/* SDHI0 */
  	gpio_request(GPIO_FN_SDHICLK0, NULL);
  	gpio_request(GPIO_FN_SDHICD0, NULL);
  	gpio_request(GPIO_FN_SDHID0_0, NULL);
  	gpio_request(GPIO_FN_SDHID0_1, NULL);
  	gpio_request(GPIO_FN_SDHID0_2, NULL);
  	gpio_request(GPIO_FN_SDHID0_3, NULL);
  	gpio_request(GPIO_FN_SDHICMD0, NULL);
  	gpio_request(GPIO_FN_SDHIWP0, NULL);
  	gpio_request_pullup(GPIO_SDHID0_D0);
  	gpio_request_pullup(GPIO_SDHID0_D1);
  	gpio_request_pullup(GPIO_SDHID0_D2);
  	gpio_request_pullup(GPIO_SDHID0_D3);
  	gpio_request_pullup(GPIO_SDHICMD0);
  
  	/* SDHI1 */
  	gpio_request(GPIO_FN_SDHICLK1, NULL);
  	gpio_request(GPIO_FN_SDHID1_0, NULL);
  	gpio_request(GPIO_FN_SDHID1_1, NULL);
  	gpio_request(GPIO_FN_SDHID1_2, NULL);
  	gpio_request(GPIO_FN_SDHID1_3, NULL);
  	gpio_request(GPIO_FN_SDHICMD1, NULL);
  	gpio_request_pullup(GPIO_SDHID1_D0);
  	gpio_request_pullup(GPIO_SDHID1_D1);
  	gpio_request_pullup(GPIO_SDHID1_D2);
  	gpio_request_pullup(GPIO_SDHID1_D3);
  	gpio_request_pullup(GPIO_SDHICMD1);
  
  	sh7377_add_standard_devices();
  
  	platform_add_devices(g4evm_devices, ARRAY_SIZE(g4evm_devices));
  }
  
  MACHINE_START(G4EVM, "g4evm")
  	.map_io		= sh7377_map_io,
  	.init_early	= sh7377_add_early_devices,
  	.init_irq	= sh7377_init_irq,
  	.handle_irq	= shmobile_handle_irq_intc,
  	.init_machine	= g4evm_init,
  	.init_late	= shmobile_init_late,
  	.timer		= &shmobile_timer,
  MACHINE_END
  