text: /*
   * arch/arm/mach-spear3xx/spear300.c
   *
   * SPEAr300 machine source file
   *
   * Copyright (C) 2009 ST Microelectronics
   * Viresh Kumar<viresh.kumar@st.com>
   *
   * This file is licensed under the terms of the GNU General Public
   * License version 2. This program is licensed "as is" without any
   * warranty of any kind, whether express or implied.
   */
  
  #include <linux/types.h>
  #include <linux/amba/pl061.h>
  #include <linux/ptrace.h>
  #include <asm/irq.h>
  #include <mach/generic.h>
  #include <mach/spear.h>
  #include <plat/shirq.h>
  
  /* pad multiplexing support */
  /* muxing registers */
  #define PAD_MUX_CONFIG_REG	0x00
  #define MODE_CONFIG_REG		0x04
  
  /* modes */
  #define NAND_MODE			(1 << 0)
  #define NOR_MODE			(1 << 1)
  #define PHOTO_FRAME_MODE		(1 << 2)
  #define LEND_IP_PHONE_MODE		(1 << 3)
  #define HEND_IP_PHONE_MODE		(1 << 4)
  #define LEND_WIFI_PHONE_MODE		(1 << 5)
  #define HEND_WIFI_PHONE_MODE		(1 << 6)
  #define ATA_PABX_WI2S_MODE		(1 << 7)
  #define ATA_PABX_I2S_MODE		(1 << 8)
  #define CAML_LCDW_MODE			(1 << 9)
  #define CAMU_LCD_MODE			(1 << 10)
  #define CAMU_WLCD_MODE			(1 << 11)
  #define CAML_LCD_MODE			(1 << 12)
  #define ALL_MODES			0x1FFF
  
  struct pmx_mode nand_mode = {
  	.id = NAND_MODE,
  	.name = "nand mode",
  	.mask = 0x00,
  };
  
  struct pmx_mode nor_mode = {
  	.id = NOR_MODE,
  	.name = "nor mode",
  	.mask = 0x01,
  };
  
  struct pmx_mode photo_frame_mode = {
  	.id = PHOTO_FRAME_MODE,
  	.name = "photo frame mode",
  	.mask = 0x02,
  };
  
  struct pmx_mode lend_ip_phone_mode = {
  	.id = LEND_IP_PHONE_MODE,
  	.name = "lend ip phone mode",
  	.mask = 0x03,
  };
  
  struct pmx_mode hend_ip_phone_mode = {
  	.id = HEND_IP_PHONE_MODE,
  	.name = "hend ip phone mode",
  	.mask = 0x04,
  };
  
  struct pmx_mode lend_wifi_phone_mode = {
  	.id = LEND_WIFI_PHONE_MODE,
  	.name = "lend wifi phone mode",
  	.mask = 0x05,
  };
  
  struct pmx_mode hend_wifi_phone_mode = {
  	.id = HEND_WIFI_PHONE_MODE,
  	.name = "hend wifi phone mode",
  	.mask = 0x06,
  };
  
  struct pmx_mode ata_pabx_wi2s_mode = {
  	.id = ATA_PABX_WI2S_MODE,
  	.name = "ata pabx wi2s mode",
  	.mask = 0x07,
  };
  
  struct pmx_mode ata_pabx_i2s_mode = {
  	.id = ATA_PABX_I2S_MODE,
  	.name = "ata pabx i2s mode",
  	.mask = 0x08,
  };
  
  struct pmx_mode caml_lcdw_mode = {
  	.id = CAML_LCDW_MODE,
  	.name = "caml lcdw mode",
  	.mask = 0x0C,
  };
  
  struct pmx_mode camu_lcd_mode = {
  	.id = CAMU_LCD_MODE,
  	.name = "camu lcd mode",
  	.mask = 0x0D,
  };
  
  struct pmx_mode camu_wlcd_mode = {
  	.id = CAMU_WLCD_MODE,
  	.name = "camu wlcd mode",
  	.mask = 0x0E,
  };
  
  struct pmx_mode caml_lcd_mode = {
  	.id = CAML_LCD_MODE,
  	.name = "caml lcd mode",
  	.mask = 0x0F,
  };
  
  /* devices */
  struct pmx_dev_mode pmx_fsmc_2_chips_modes[] = {
  	{
  		.ids = NAND_MODE | NOR_MODE | PHOTO_FRAME_MODE |
  			ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE,
  		.mask = PMX_FIRDA_MASK,
  	},
  };
  
  struct pmx_dev pmx_fsmc_2_chips = {
  	.name = "fsmc_2_chips",
  	.modes = pmx_fsmc_2_chips_modes,
  	.mode_count = ARRAY_SIZE(pmx_fsmc_2_chips_modes),
  	.enb_on_reset = 1,
  };
  
  struct pmx_dev_mode pmx_fsmc_4_chips_modes[] = {
  	{
  		.ids = NAND_MODE | NOR_MODE | PHOTO_FRAME_MODE |
  			ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE,
  		.mask = PMX_FIRDA_MASK | PMX_UART0_MASK,
  	},
  };
  
  struct pmx_dev pmx_fsmc_4_chips = {
  	.name = "fsmc_4_chips",
  	.modes = pmx_fsmc_4_chips_modes,
  	.mode_count = ARRAY_SIZE(pmx_fsmc_4_chips_modes),
  	.enb_on_reset = 1,
  };
  
  struct pmx_dev_mode pmx_keyboard_modes[] = {
  	{
  		.ids = LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE |
  			LEND_WIFI_PHONE_MODE | HEND_WIFI_PHONE_MODE |
  			CAML_LCDW_MODE | CAMU_LCD_MODE | CAMU_WLCD_MODE |
  			CAML_LCD_MODE,
  		.mask = 0x0,
  	},
  };
  
  struct pmx_dev pmx_keyboard = {
  	.name = "keyboard",
  	.modes = pmx_keyboard_modes,
  	.mode_count = ARRAY_SIZE(pmx_keyboard_modes),
  	.enb_on_reset = 1,
  };
  
  struct pmx_dev_mode pmx_clcd_modes[] = {
  	{
  		.ids = PHOTO_FRAME_MODE,
  		.mask = PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK ,
  	}, {
  		.ids = HEND_IP_PHONE_MODE | HEND_WIFI_PHONE_MODE |
  			CAMU_LCD_MODE | CAML_LCD_MODE,
  		.mask = PMX_TIMER_3_4_MASK,
  	},
  };
  
  struct pmx_dev pmx_clcd = {
  	.name = "clcd",
  	.modes = pmx_clcd_modes,
  	.mode_count = ARRAY_SIZE(pmx_clcd_modes),
  	.enb_on_reset = 1,
  };
  
  struct pmx_dev_mode pmx_telecom_gpio_modes[] = {
  	{
  		.ids = PHOTO_FRAME_MODE | CAMU_LCD_MODE | CAML_LCD_MODE,
  		.mask = PMX_MII_MASK,
  	}, {
  		.ids = LEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE,
  		.mask = PMX_MII_MASK | PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK,
  	}, {
  		.ids = ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_WLCD_MODE,
  		.mask = PMX_MII_MASK | PMX_TIMER_3_4_MASK,
  	}, {
  		.ids = HEND_IP_PHONE_MODE | HEND_WIFI_PHONE_MODE,
  		.mask = PMX_MII_MASK | PMX_TIMER_1_2_MASK,
  	}, {
  		.ids = ATA_PABX_WI2S_MODE,
  		.mask = PMX_MII_MASK | PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK
  			| PMX_UART0_MODEM_MASK,
  	},
  };
  
  struct pmx_dev pmx_telecom_gpio = {
  	.name = "telecom_gpio",
  	.modes = pmx_telecom_gpio_modes,
  	.mode_count = ARRAY_SIZE(pmx_telecom_gpio_modes),
  	.enb_on_reset = 1,
  };
  
  struct pmx_dev_mode pmx_telecom_tdm_modes[] = {
  	{
  		.ids = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE |
  			HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE
  			| HEND_WIFI_PHONE_MODE | ATA_PABX_WI2S_MODE
  			| ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE
  			| CAMU_WLCD_MODE | CAML_LCD_MODE,
  		.mask = PMX_UART0_MODEM_MASK | PMX_SSP_CS_MASK,
  	},
  };
  
  struct pmx_dev pmx_telecom_tdm = {
  	.name = "telecom_tdm",
  	.modes = pmx_telecom_tdm_modes,
  	.mode_count = ARRAY_SIZE(pmx_telecom_tdm_modes),
  	.enb_on_reset = 1,
  };
  
  struct pmx_dev_mode pmx_telecom_spi_cs_i2c_clk_modes[] = {
  	{
  		.ids = LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE |
  			LEND_WIFI_PHONE_MODE | HEND_WIFI_PHONE_MODE
  			| ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE |
  			CAML_LCDW_MODE | CAML_LCD_MODE,
  		.mask = PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK,
  	},
  };
  
  struct pmx_dev pmx_telecom_spi_cs_i2c_clk = {
  	.name = "telecom_spi_cs_i2c_clk",
  	.modes = pmx_telecom_spi_cs_i2c_clk_modes,
  	.mode_count = ARRAY_SIZE(pmx_telecom_spi_cs_i2c_clk_modes),
  	.enb_on_reset = 1,
  };
  
  struct pmx_dev_mode pmx_telecom_camera_modes[] = {
  	{
  		.ids = CAML_LCDW_MODE | CAML_LCD_MODE,
  		.mask = PMX_MII_MASK,
  	}, {
  		.ids = CAMU_LCD_MODE | CAMU_WLCD_MODE,
  		.mask = PMX_TIMER_1_2_MASK | PMX_TIMER_3_4_MASK | PMX_MII_MASK,
  	},
  };
  
  struct pmx_dev pmx_telecom_camera = {
  	.name = "telecom_camera",
  	.modes = pmx_telecom_camera_modes,
  	.mode_count = ARRAY_SIZE(pmx_telecom_camera_modes),
  	.enb_on_reset = 1,
  };
  
  struct pmx_dev_mode pmx_telecom_dac_modes[] = {
  	{
  		.ids = ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE
  			| CAMU_WLCD_MODE | CAML_LCD_MODE,
  		.mask = PMX_TIMER_1_2_MASK,
  	},
  };
  
  struct pmx_dev pmx_telecom_dac = {
  	.name = "telecom_dac",
  	.modes = pmx_telecom_dac_modes,
  	.mode_count = ARRAY_SIZE(pmx_telecom_dac_modes),
  	.enb_on_reset = 1,
  };
  
  struct pmx_dev_mode pmx_telecom_i2s_modes[] = {
  	{
  		.ids = LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE
  			| LEND_WIFI_PHONE_MODE | HEND_WIFI_PHONE_MODE |
  			ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE
  			| CAMU_WLCD_MODE | CAML_LCD_MODE,
  		.mask = PMX_UART0_MODEM_MASK,
  	},
  };
  
  struct pmx_dev pmx_telecom_i2s = {
  	.name = "telecom_i2s",
  	.modes = pmx_telecom_i2s_modes,
  	.mode_count = ARRAY_SIZE(pmx_telecom_i2s_modes),
  	.enb_on_reset = 1,
  };
  
  struct pmx_dev_mode pmx_telecom_boot_pins_modes[] = {
  	{
  		.ids = NAND_MODE | NOR_MODE,
  		.mask = PMX_UART0_MODEM_MASK | PMX_TIMER_1_2_MASK |
  			PMX_TIMER_3_4_MASK,
  	},
  };
  
  struct pmx_dev pmx_telecom_boot_pins = {
  	.name = "telecom_boot_pins",
  	.modes = pmx_telecom_boot_pins_modes,
  	.mode_count = ARRAY_SIZE(pmx_telecom_boot_pins_modes),
  	.enb_on_reset = 1,
  };
  
  struct pmx_dev_mode pmx_telecom_sdio_4bit_modes[] = {
  	{
  		.ids = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE |
  			HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE |
  			HEND_WIFI_PHONE_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE |
  			CAMU_WLCD_MODE | CAML_LCD_MODE | ATA_PABX_WI2S_MODE |
  			ATA_PABX_I2S_MODE,
  		.mask = PMX_GPIO_PIN0_MASK | PMX_GPIO_PIN1_MASK |
  			PMX_GPIO_PIN2_MASK | PMX_GPIO_PIN3_MASK |
  			PMX_GPIO_PIN4_MASK | PMX_GPIO_PIN5_MASK,
  	},
  };
  
  struct pmx_dev pmx_telecom_sdio_4bit = {
  	.name = "telecom_sdio_4bit",
  	.modes = pmx_telecom_sdio_4bit_modes,
  	.mode_count = ARRAY_SIZE(pmx_telecom_sdio_4bit_modes),
  	.enb_on_reset = 1,
  };
  
  struct pmx_dev_mode pmx_telecom_sdio_8bit_modes[] = {
  	{
  		.ids = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE |
  			HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE |
  			HEND_WIFI_PHONE_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE |
  			CAMU_WLCD_MODE | CAML_LCD_MODE,
  		.mask = PMX_GPIO_PIN0_MASK | PMX_GPIO_PIN1_MASK |
  			PMX_GPIO_PIN2_MASK | PMX_GPIO_PIN3_MASK |
  			PMX_GPIO_PIN4_MASK | PMX_GPIO_PIN5_MASK | PMX_MII_MASK,
  	},
  };
  
  struct pmx_dev pmx_telecom_sdio_8bit = {
  	.name = "telecom_sdio_8bit",
  	.modes = pmx_telecom_sdio_8bit_modes,
  	.mode_count = ARRAY_SIZE(pmx_telecom_sdio_8bit_modes),
  	.enb_on_reset = 1,
  };
  
  struct pmx_dev_mode pmx_gpio1_modes[] = {
  	{
  		.ids = PHOTO_FRAME_MODE,
  		.mask = PMX_UART0_MODEM_MASK | PMX_TIMER_1_2_MASK |
  			PMX_TIMER_3_4_MASK,
  	},
  };
  
  struct pmx_dev pmx_gpio1 = {
  	.name = "arm gpio1",
  	.modes = pmx_gpio1_modes,
  	.mode_count = ARRAY_SIZE(pmx_gpio1_modes),
  	.enb_on_reset = 1,
  };
  
  /* pmx driver structure */
  struct pmx_driver pmx_driver = {
  	.mode_reg = {.offset = MODE_CONFIG_REG, .mask = 0x0000000f},
  	.mux_reg = {.offset = PAD_MUX_CONFIG_REG, .mask = 0x00007fff},
  };
  
  /* Add spear300 specific devices here */
  /* arm gpio1 device registeration */
  static struct pl061_platform_data gpio1_plat_data = {
  	.gpio_base	= 8,
  	.irq_base	= SPEAR_GPIO1_INT_BASE,
  };
  
  struct amba_device gpio1_device = {
  	.dev = {
  		.init_name = "gpio1",
  		.platform_data = &gpio1_plat_data,
  	},
  	.res = {
  		.start = SPEAR300_GPIO_BASE,
  		.end = SPEAR300_GPIO_BASE + SPEAR300_GPIO_SIZE - 1,
  		.flags = IORESOURCE_MEM,
  	},
  	.irq = {VIRQ_GPIO1, NO_IRQ},
  };
  
  /* spear3xx shared irq */
  struct shirq_dev_config shirq_ras1_config[] = {
  	{
  		.virq = VIRQ_IT_PERS_S,
  		.enb_mask = IT_PERS_S_IRQ_MASK,
  		.status_mask = IT_PERS_S_IRQ_MASK,
  	}, {
  		.virq = VIRQ_IT_CHANGE_S,
  		.enb_mask = IT_CHANGE_S_IRQ_MASK,
  		.status_mask = IT_CHANGE_S_IRQ_MASK,
  	}, {
  		.virq = VIRQ_I2S,
  		.enb_mask = I2S_IRQ_MASK,
  		.status_mask = I2S_IRQ_MASK,
  	}, {
  		.virq = VIRQ_TDM,
  		.enb_mask = TDM_IRQ_MASK,
  		.status_mask = TDM_IRQ_MASK,
  	}, {
  		.virq = VIRQ_CAMERA_L,
  		.enb_mask = CAMERA_L_IRQ_MASK,
  		.status_mask = CAMERA_L_IRQ_MASK,
  	}, {
  		.virq = VIRQ_CAMERA_F,
  		.enb_mask = CAMERA_F_IRQ_MASK,
  		.status_mask = CAMERA_F_IRQ_MASK,
  	}, {
  		.virq = VIRQ_CAMERA_V,
  		.enb_mask = CAMERA_V_IRQ_MASK,
  		.status_mask = CAMERA_V_IRQ_MASK,
  	}, {
  		.virq = VIRQ_KEYBOARD,
  		.enb_mask = KEYBOARD_IRQ_MASK,
  		.status_mask = KEYBOARD_IRQ_MASK,
  	}, {
  		.virq = VIRQ_GPIO1,
  		.enb_mask = GPIO1_IRQ_MASK,
  		.status_mask = GPIO1_IRQ_MASK,
  	},
  };
  
  struct spear_shirq shirq_ras1 = {
  	.irq = IRQ_GEN_RAS_1,
  	.dev_config = shirq_ras1_config,
  	.dev_count = ARRAY_SIZE(shirq_ras1_config),
  	.regs = {
  		.enb_reg = INT_ENB_MASK_REG,
  		.status_reg = INT_STS_MASK_REG,
  		.status_reg_mask = SHIRQ_RAS1_MASK,
  		.clear_reg = -1,
  	},
  };
  
  /* spear300 routines */
  void __init spear300_init(void)
  {
  	int ret = 0;
  
  	/* call spear3xx family common init function */
  	spear3xx_init();
  
  	/* shared irq registeration */
  	shirq_ras1.regs.base =
  		ioremap(SPEAR300_TELECOM_BASE, SPEAR300_TELECOM_REG_SIZE);
  	if (shirq_ras1.regs.base) {
  		ret = spear_shirq_register(&shirq_ras1);
  		if (ret)
  			printk(KERN_ERR "Error registering Shared IRQ\n");
  	}
  }
  
  void spear300_pmx_init(void)
  {
  	spear_pmx_init(&pmx_driver, SPEAR300_SOC_CONFIG_BASE,
  			SPEAR300_SOC_CONFIG_SIZE);
  }
  