| /* |
| * 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. |
| */ |
| |
| #define pr_fmt(fmt) "SPEAr300: " fmt |
| |
| #include <linux/types.h> |
| #include <linux/amba/pl061.h> |
| #include <linux/ptrace.h> |
| #include <asm/irq.h> |
| #include <plat/shirq.h> |
| #include <mach/generic.h> |
| #include <mach/hardware.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 spear300_nand_mode = { |
| .id = NAND_MODE, |
| .name = "nand mode", |
| .mask = 0x00, |
| }; |
| |
| struct pmx_mode spear300_nor_mode = { |
| .id = NOR_MODE, |
| .name = "nor mode", |
| .mask = 0x01, |
| }; |
| |
| struct pmx_mode spear300_photo_frame_mode = { |
| .id = PHOTO_FRAME_MODE, |
| .name = "photo frame mode", |
| .mask = 0x02, |
| }; |
| |
| struct pmx_mode spear300_lend_ip_phone_mode = { |
| .id = LEND_IP_PHONE_MODE, |
| .name = "lend ip phone mode", |
| .mask = 0x03, |
| }; |
| |
| struct pmx_mode spear300_hend_ip_phone_mode = { |
| .id = HEND_IP_PHONE_MODE, |
| .name = "hend ip phone mode", |
| .mask = 0x04, |
| }; |
| |
| struct pmx_mode spear300_lend_wifi_phone_mode = { |
| .id = LEND_WIFI_PHONE_MODE, |
| .name = "lend wifi phone mode", |
| .mask = 0x05, |
| }; |
| |
| struct pmx_mode spear300_hend_wifi_phone_mode = { |
| .id = HEND_WIFI_PHONE_MODE, |
| .name = "hend wifi phone mode", |
| .mask = 0x06, |
| }; |
| |
| struct pmx_mode spear300_ata_pabx_wi2s_mode = { |
| .id = ATA_PABX_WI2S_MODE, |
| .name = "ata pabx wi2s mode", |
| .mask = 0x07, |
| }; |
| |
| struct pmx_mode spear300_ata_pabx_i2s_mode = { |
| .id = ATA_PABX_I2S_MODE, |
| .name = "ata pabx i2s mode", |
| .mask = 0x08, |
| }; |
| |
| struct pmx_mode spear300_caml_lcdw_mode = { |
| .id = CAML_LCDW_MODE, |
| .name = "caml lcdw mode", |
| .mask = 0x0C, |
| }; |
| |
| struct pmx_mode spear300_camu_lcd_mode = { |
| .id = CAMU_LCD_MODE, |
| .name = "camu lcd mode", |
| .mask = 0x0D, |
| }; |
| |
| struct pmx_mode spear300_camu_wlcd_mode = { |
| .id = CAMU_WLCD_MODE, |
| .name = "camu wlcd mode", |
| .mask = 0x0E, |
| }; |
| |
| struct pmx_mode spear300_caml_lcd_mode = { |
| .id = CAML_LCD_MODE, |
| .name = "caml lcd mode", |
| .mask = 0x0F, |
| }; |
| |
| /* devices */ |
| static 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 spear300_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, |
| }; |
| |
| static 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 spear300_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, |
| }; |
| |
| static 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 spear300_pmx_keyboard = { |
| .name = "keyboard", |
| .modes = pmx_keyboard_modes, |
| .mode_count = ARRAY_SIZE(pmx_keyboard_modes), |
| .enb_on_reset = 1, |
| }; |
| |
| static 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 spear300_pmx_clcd = { |
| .name = "clcd", |
| .modes = pmx_clcd_modes, |
| .mode_count = ARRAY_SIZE(pmx_clcd_modes), |
| .enb_on_reset = 1, |
| }; |
| |
| static 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 spear300_pmx_telecom_gpio = { |
| .name = "telecom_gpio", |
| .modes = pmx_telecom_gpio_modes, |
| .mode_count = ARRAY_SIZE(pmx_telecom_gpio_modes), |
| .enb_on_reset = 1, |
| }; |
| |
| static 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 spear300_pmx_telecom_tdm = { |
| .name = "telecom_tdm", |
| .modes = pmx_telecom_tdm_modes, |
| .mode_count = ARRAY_SIZE(pmx_telecom_tdm_modes), |
| .enb_on_reset = 1, |
| }; |
| |
| static 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 spear300_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, |
| }; |
| |
| static 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 spear300_pmx_telecom_camera = { |
| .name = "telecom_camera", |
| .modes = pmx_telecom_camera_modes, |
| .mode_count = ARRAY_SIZE(pmx_telecom_camera_modes), |
| .enb_on_reset = 1, |
| }; |
| |
| static 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 spear300_pmx_telecom_dac = { |
| .name = "telecom_dac", |
| .modes = pmx_telecom_dac_modes, |
| .mode_count = ARRAY_SIZE(pmx_telecom_dac_modes), |
| .enb_on_reset = 1, |
| }; |
| |
| static 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 spear300_pmx_telecom_i2s = { |
| .name = "telecom_i2s", |
| .modes = pmx_telecom_i2s_modes, |
| .mode_count = ARRAY_SIZE(pmx_telecom_i2s_modes), |
| .enb_on_reset = 1, |
| }; |
| |
| static 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 spear300_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, |
| }; |
| |
| static struct pmx_dev_mode pmx_telecom_sdhci_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 spear300_pmx_telecom_sdhci_4bit = { |
| .name = "telecom_sdhci_4bit", |
| .modes = pmx_telecom_sdhci_4bit_modes, |
| .mode_count = ARRAY_SIZE(pmx_telecom_sdhci_4bit_modes), |
| .enb_on_reset = 1, |
| }; |
| |
| static struct pmx_dev_mode pmx_telecom_sdhci_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 spear300_pmx_telecom_sdhci_8bit = { |
| .name = "telecom_sdhci_8bit", |
| .modes = pmx_telecom_sdhci_8bit_modes, |
| .mode_count = ARRAY_SIZE(pmx_telecom_sdhci_8bit_modes), |
| .enb_on_reset = 1, |
| }; |
| |
| static 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 spear300_pmx_gpio1 = { |
| .name = "arm gpio1", |
| .modes = pmx_gpio1_modes, |
| .mode_count = ARRAY_SIZE(pmx_gpio1_modes), |
| .enb_on_reset = 1, |
| }; |
| |
| /* pmx driver structure */ |
| static struct pmx_driver pmx_driver = { |
| .mode_reg = {.offset = MODE_CONFIG_REG, .mask = 0x0000000f}, |
| .mux_reg = {.offset = PAD_MUX_CONFIG_REG, .mask = 0x00007fff}, |
| }; |
| |
| /* spear3xx shared irq */ |
| static struct shirq_dev_config shirq_ras1_config[] = { |
| { |
| .virq = SPEAR300_VIRQ_IT_PERS_S, |
| .enb_mask = SPEAR300_IT_PERS_S_IRQ_MASK, |
| .status_mask = SPEAR300_IT_PERS_S_IRQ_MASK, |
| }, { |
| .virq = SPEAR300_VIRQ_IT_CHANGE_S, |
| .enb_mask = SPEAR300_IT_CHANGE_S_IRQ_MASK, |
| .status_mask = SPEAR300_IT_CHANGE_S_IRQ_MASK, |
| }, { |
| .virq = SPEAR300_VIRQ_I2S, |
| .enb_mask = SPEAR300_I2S_IRQ_MASK, |
| .status_mask = SPEAR300_I2S_IRQ_MASK, |
| }, { |
| .virq = SPEAR300_VIRQ_TDM, |
| .enb_mask = SPEAR300_TDM_IRQ_MASK, |
| .status_mask = SPEAR300_TDM_IRQ_MASK, |
| }, { |
| .virq = SPEAR300_VIRQ_CAMERA_L, |
| .enb_mask = SPEAR300_CAMERA_L_IRQ_MASK, |
| .status_mask = SPEAR300_CAMERA_L_IRQ_MASK, |
| }, { |
| .virq = SPEAR300_VIRQ_CAMERA_F, |
| .enb_mask = SPEAR300_CAMERA_F_IRQ_MASK, |
| .status_mask = SPEAR300_CAMERA_F_IRQ_MASK, |
| }, { |
| .virq = SPEAR300_VIRQ_CAMERA_V, |
| .enb_mask = SPEAR300_CAMERA_V_IRQ_MASK, |
| .status_mask = SPEAR300_CAMERA_V_IRQ_MASK, |
| }, { |
| .virq = SPEAR300_VIRQ_KEYBOARD, |
| .enb_mask = SPEAR300_KEYBOARD_IRQ_MASK, |
| .status_mask = SPEAR300_KEYBOARD_IRQ_MASK, |
| }, { |
| .virq = SPEAR300_VIRQ_GPIO1, |
| .enb_mask = SPEAR300_GPIO1_IRQ_MASK, |
| .status_mask = SPEAR300_GPIO1_IRQ_MASK, |
| }, |
| }; |
| |
| static struct spear_shirq shirq_ras1 = { |
| .irq = SPEAR3XX_IRQ_GEN_RAS_1, |
| .dev_config = shirq_ras1_config, |
| .dev_count = ARRAY_SIZE(shirq_ras1_config), |
| .regs = { |
| .enb_reg = SPEAR300_INT_ENB_MASK_REG, |
| .status_reg = SPEAR300_INT_STS_MASK_REG, |
| .status_reg_mask = SPEAR300_SHIRQ_RAS1_MASK, |
| .clear_reg = -1, |
| }, |
| }; |
| |
| /* Add spear300 specific devices here */ |
| /* arm gpio1 device registration */ |
| static struct pl061_platform_data gpio1_plat_data = { |
| .gpio_base = 8, |
| .irq_base = SPEAR300_GPIO1_INT_BASE, |
| }; |
| |
| AMBA_APB_DEVICE(spear300_gpio1, "gpio1", 0, SPEAR300_GPIO_BASE, |
| {SPEAR300_VIRQ_GPIO1}, &gpio1_plat_data); |
| |
| /* spear300 routines */ |
| void __init spear300_init(struct pmx_mode *pmx_mode, struct pmx_dev **pmx_devs, |
| u8 pmx_dev_count) |
| { |
| int ret = 0; |
| |
| /* call spear3xx family common init function */ |
| spear3xx_init(); |
| |
| /* shared irq registration */ |
| shirq_ras1.regs.base = ioremap(SPEAR300_TELECOM_BASE, SZ_4K); |
| if (shirq_ras1.regs.base) { |
| ret = spear_shirq_register(&shirq_ras1); |
| if (ret) |
| pr_err("Error registering Shared IRQ\n"); |
| } |
| |
| /* pmx initialization */ |
| pmx_driver.mode = pmx_mode; |
| pmx_driver.devs = pmx_devs; |
| pmx_driver.devs_count = pmx_dev_count; |
| |
| pmx_driver.base = ioremap(SPEAR300_SOC_CONFIG_BASE, SZ_4K); |
| if (pmx_driver.base) { |
| ret = pmx_register(&pmx_driver); |
| if (ret) |
| pr_err("padmux: registration failed. err no: %d\n", |
| ret); |
| /* Free Mapping, device selection already done */ |
| iounmap(pmx_driver.base); |
| } |
| } |