/* * arch/arm/mach-spear3xx/spear300.c * * SPEAr300 machine source file * * Copyright (C) 2009-2012 ST Microelectronics * Viresh Kumar * * 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 #include #include #include #include #include #include /* Base address of various IPs */ #define SPEAR300_TELECOM_BASE UL(0x50000000) /* Interrupt registers offsets and masks */ #define SPEAR300_INT_ENB_MASK_REG 0x54 #define SPEAR300_INT_STS_MASK_REG 0x58 #define SPEAR300_IT_PERS_S_IRQ_MASK (1 << 0) #define SPEAR300_IT_CHANGE_S_IRQ_MASK (1 << 1) #define SPEAR300_I2S_IRQ_MASK (1 << 2) #define SPEAR300_TDM_IRQ_MASK (1 << 3) #define SPEAR300_CAMERA_L_IRQ_MASK (1 << 4) #define SPEAR300_CAMERA_F_IRQ_MASK (1 << 5) #define SPEAR300_CAMERA_V_IRQ_MASK (1 << 6) #define SPEAR300_KEYBOARD_IRQ_MASK (1 << 7) #define SPEAR300_GPIO1_IRQ_MASK (1 << 8) #define SPEAR300_SHIRQ_RAS1_MASK 0x1FF #define SPEAR300_SOC_CONFIG_BASE UL(0x99000000) /* SPEAr300 Virtual irq definitions */ /* IRQs sharing IRQ_GEN_RAS_1 */ #define SPEAR300_VIRQ_IT_PERS_S (SPEAR3XX_VIRQ_START + 0) #define SPEAR300_VIRQ_IT_CHANGE_S (SPEAR3XX_VIRQ_START + 1) #define SPEAR300_VIRQ_I2S (SPEAR3XX_VIRQ_START + 2) #define SPEAR300_VIRQ_TDM (SPEAR3XX_VIRQ_START + 3) #define SPEAR300_VIRQ_CAMERA_L (SPEAR3XX_VIRQ_START + 4) #define SPEAR300_VIRQ_CAMERA_F (SPEAR3XX_VIRQ_START + 5) #define SPEAR300_VIRQ_CAMERA_V (SPEAR3XX_VIRQ_START + 6) #define SPEAR300_VIRQ_KEYBOARD (SPEAR3XX_VIRQ_START + 7) #define SPEAR300_VIRQ_GPIO1 (SPEAR3XX_VIRQ_START + 8) /* IRQs sharing IRQ_GEN_RAS_3 */ #define SPEAR300_IRQ_CLCD SPEAR3XX_IRQ_GEN_RAS_3 /* IRQs sharing IRQ_INTRCOMM_RAS_ARM */ #define SPEAR300_IRQ_SDHCI SPEAR3XX_IRQ_INTRCOMM_RAS_ARM /* 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, }, }; /* padmux devices to enable */ static struct pmx_dev *spear300_evb_pmx_devs[] = { /* spear3xx specific devices */ &spear3xx_pmx_i2c, &spear3xx_pmx_ssp_cs, &spear3xx_pmx_ssp, &spear3xx_pmx_mii, &spear3xx_pmx_uart0, /* spear300 specific devices */ &spear300_pmx_fsmc_2_chips, &spear300_pmx_clcd, &spear300_pmx_telecom_sdhci_4bit, &spear300_pmx_gpio1, }; /* DMAC platform data's slave info */ struct pl08x_channel_data spear300_dma_info[] = { { .bus_id = "uart0_rx", .min_signal = 2, .max_signal = 2, .muxval = 0, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "uart0_tx", .min_signal = 3, .max_signal = 3, .muxval = 0, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ssp0_rx", .min_signal = 8, .max_signal = 8, .muxval = 0, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ssp0_tx", .min_signal = 9, .max_signal = 9, .muxval = 0, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "i2c_rx", .min_signal = 10, .max_signal = 10, .muxval = 0, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "i2c_tx", .min_signal = 11, .max_signal = 11, .muxval = 0, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "irda", .min_signal = 12, .max_signal = 12, .muxval = 0, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "adc", .min_signal = 13, .max_signal = 13, .muxval = 0, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "to_jpeg", .min_signal = 14, .max_signal = 14, .muxval = 0, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "from_jpeg", .min_signal = 15, .max_signal = 15, .muxval = 0, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras0_rx", .min_signal = 0, .max_signal = 0, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras0_tx", .min_signal = 1, .max_signal = 1, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras1_rx", .min_signal = 2, .max_signal = 2, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras1_tx", .min_signal = 3, .max_signal = 3, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras2_rx", .min_signal = 4, .max_signal = 4, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras2_tx", .min_signal = 5, .max_signal = 5, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras3_rx", .min_signal = 6, .max_signal = 6, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras3_tx", .min_signal = 7, .max_signal = 7, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras4_rx", .min_signal = 8, .max_signal = 8, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras4_tx", .min_signal = 9, .max_signal = 9, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras5_rx", .min_signal = 10, .max_signal = 10, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras5_tx", .min_signal = 11, .max_signal = 11, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras6_rx", .min_signal = 12, .max_signal = 12, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras6_tx", .min_signal = 13, .max_signal = 13, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras7_rx", .min_signal = 14, .max_signal = 14, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, { .bus_id = "ras7_tx", .min_signal = 15, .max_signal = 15, .muxval = 1, .cctl = 0, .periph_buses = PL08X_AHB1, }, }; /* Add SPEAr300 auxdata to pass platform data */ static struct of_dev_auxdata spear300_auxdata_lookup[] __initdata = { OF_DEV_AUXDATA("arm,pl022", SPEAR3XX_ICM1_SSP_BASE, NULL, &pl022_plat_data), OF_DEV_AUXDATA("arm,pl080", SPEAR3XX_ICM3_DMA_BASE, NULL, &pl080_plat_data), {} }; static void __init spear300_dt_init(void) { int ret = -EINVAL; pl080_plat_data.slave_channels = spear300_dma_info; pl080_plat_data.num_slave_channels = ARRAY_SIZE(spear300_dma_info); of_platform_populate(NULL, of_default_bus_match_table, spear300_auxdata_lookup, NULL); /* 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"); } if (of_machine_is_compatible("st,spear300-evb")) { /* pmx initialization */ pmx_driver.mode = &spear300_photo_frame_mode; pmx_driver.devs = spear300_evb_pmx_devs; pmx_driver.devs_count = ARRAY_SIZE(spear300_evb_pmx_devs); 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); } if (ret) pr_err("Initialization Failed"); } } static const char * const spear300_dt_board_compat[] = { "st,spear300", "st,spear300-evb", NULL, }; static void __init spear300_map_io(void) { spear3xx_map_io(); spear300_clk_init(); } DT_MACHINE_START(SPEAR300_DT, "ST SPEAr300 SoC with Flattened Device Tree") .map_io = spear300_map_io, .init_irq = spear3xx_dt_init_irq, .handle_irq = vic_handle_irq, .timer = &spear3xx_timer, .init_machine = spear300_dt_init, .restart = spear_restart, .dt_compat = spear300_dt_board_compat, MACHINE_END