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spear300.c

/*
 * 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 registration */
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 registration */
      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);
}

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