diff options
Diffstat (limited to 'arch/arm/mach-mx25/devices.c')
| -rw-r--r-- | arch/arm/mach-mx25/devices.c | 615 |
1 files changed, 615 insertions, 0 deletions
diff --git a/arch/arm/mach-mx25/devices.c b/arch/arm/mach-mx25/devices.c new file mode 100644 index 000000000000..3424c863a2d8 --- /dev/null +++ b/arch/arm/mach-mx25/devices.c @@ -0,0 +1,615 @@ +/* + * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/platform_device.h> +#include <linux/clk.h> +#include <linux/spi/spi.h> + +#include <mach/hardware.h> +#include <mach/mmc.h> +#include <mach/spba.h> +#include <mach/sdma.h> + +#include "iomux.h" +#include "sdma_script_code.h" +#include "board-mx25_3stack.h" + +void mxc_sdma_get_script_info(sdma_script_start_addrs * sdma_script_addr) +{ + sdma_script_addr->mxc_sdma_ap_2_ap_addr = ap_2_ap_ADDR; + sdma_script_addr->mxc_sdma_ap_2_bp_addr = -1; + sdma_script_addr->mxc_sdma_bp_2_ap_addr = -1; + sdma_script_addr->mxc_sdma_loopback_on_dsp_side_addr = -1; + sdma_script_addr->mxc_sdma_mcu_interrupt_only_addr = -1; + + sdma_script_addr->mxc_sdma_firi_2_per_addr = -1; + sdma_script_addr->mxc_sdma_firi_2_mcu_addr = -1; + sdma_script_addr->mxc_sdma_per_2_firi_addr = -1; + sdma_script_addr->mxc_sdma_mcu_2_firi_addr = -1; + + sdma_script_addr->mxc_sdma_uart_2_per_addr = uart_2_per_ADDR; + sdma_script_addr->mxc_sdma_uart_2_mcu_addr = uart_2_mcu_ADDR; + sdma_script_addr->mxc_sdma_per_2_app_addr = per_2_app_ADDR; + sdma_script_addr->mxc_sdma_mcu_2_app_addr = mcu_2_app_ADDR; + + sdma_script_addr->mxc_sdma_per_2_per_addr = -1; + + sdma_script_addr->mxc_sdma_uartsh_2_per_addr = uartsh_2_per_ADDR; + sdma_script_addr->mxc_sdma_uartsh_2_mcu_addr = uartsh_2_mcu_ADDR; + sdma_script_addr->mxc_sdma_per_2_shp_addr = per_2_shp_ADDR; + sdma_script_addr->mxc_sdma_mcu_2_shp_addr = mcu_2_shp_ADDR; + + sdma_script_addr->mxc_sdma_ata_2_mcu_addr = ata_2_mcu_ADDR; + sdma_script_addr->mxc_sdma_mcu_2_ata_addr = mcu_2_ata_ADDR; + + sdma_script_addr->mxc_sdma_app_2_per_addr = app_2_per_ADDR; + sdma_script_addr->mxc_sdma_app_2_mcu_addr = app_2_mcu_ADDR; + sdma_script_addr->mxc_sdma_shp_2_per_addr = shp_2_per_ADDR; + sdma_script_addr->mxc_sdma_shp_2_mcu_addr = shp_2_mcu_ADDR; + + sdma_script_addr->mxc_sdma_mshc_2_mcu_addr = -1; + sdma_script_addr->mxc_sdma_mcu_2_mshc_addr = -1; + + sdma_script_addr->mxc_sdma_spdif_2_mcu_addr = -1; + sdma_script_addr->mxc_sdma_mcu_2_spdif_addr = -1; + + sdma_script_addr->mxc_sdma_asrc_2_mcu_addr = -1; + + sdma_script_addr->mxc_sdma_dptc_dvfs_addr = -1; + sdma_script_addr->mxc_sdma_ext_mem_2_ipu_addr = ext_mem__ipu_ram_ADDR; + sdma_script_addr->mxc_sdma_descrambler_addr = -1; + + sdma_script_addr->mxc_sdma_start_addr = (unsigned short *)sdma_code; + sdma_script_addr->mxc_sdma_ram_code_size = RAM_CODE_SIZE; + sdma_script_addr->mxc_sdma_ram_code_start_addr = RAM_CODE_START_ADDR; +} + +static void mxc_nop_release(struct device *dev) +{ + /* Nothing */ +} + +#if defined(CONFIG_RTC_DRV_IMXDI) || defined(CONFIG_RTC_DRV_IMXDI_MODULE) +static struct resource rtc_resources[] = { + { + .start = SRTC_BASE_ADDR, + .end = SRTC_BASE_ADDR + 0x40, + .flags = IORESOURCE_MEM, + }, + { + .start = MXC_INT_DRYICE_NORM, + .flags = IORESOURCE_IRQ, + }, +}; +static struct platform_device imxdi_rtc_device = { + .name = "imxdi_rtc", + .id = 0, + .dev = { + .release = mxc_nop_release, + }, + .num_resources = ARRAY_SIZE(rtc_resources), + .resource = rtc_resources, +}; +static void mxc_init_rtc(void) +{ + (void)platform_device_register(&imxdi_rtc_device); +} +#else +static inline void mxc_init_rtc(void) +{ +} +#endif + +#if defined(CONFIG_MXC_WATCHDOG) || defined(CONFIG_MXC_WATCHDOG_MODULE) +static struct resource wdt_resources[] = { + { + .start = WDOG1_BASE_ADDR, + .end = WDOG1_BASE_ADDR + 0x30, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device mxc_wdt_device = { + .name = "mxc_wdt", + .id = 0, + .dev = { + .release = mxc_nop_release, + }, + .num_resources = ARRAY_SIZE(wdt_resources), + .resource = wdt_resources, +}; + +static void mxc_init_wdt(void) +{ + (void)platform_device_register(&mxc_wdt_device); +} +#else +static inline void mxc_init_wdt(void) +{ +} +#endif + +/* SPI controller and device data */ +#if defined(CONFIG_SPI_MXC) || defined(CONFIG_SPI_MXC_MODULE) + +#ifdef CONFIG_SPI_MXC_SELECT1 +/*! + * Resource definition for the CSPI1 + */ +static struct resource mxcspi1_resources[] = { + [0] = { + .start = CSPI1_BASE_ADDR, + .end = CSPI1_BASE_ADDR + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = MXC_INT_CSPI1, + .end = MXC_INT_CSPI1, + .flags = IORESOURCE_IRQ, + }, +}; + +/*! Platform Data for MXC CSPI1 */ +static struct mxc_spi_master mxcspi1_data = { + .maxchipselect = 4, + .spi_version = 7, +}; + +/*! Device Definition for MXC CSPI1 */ +static struct platform_device mxcspi1_device = { + .name = "mxc_spi", + .id = 0, + .dev = { + .release = mxc_nop_release, + .platform_data = &mxcspi1_data, + }, + .num_resources = ARRAY_SIZE(mxcspi1_resources), + .resource = mxcspi1_resources, +}; + +#endif /* CONFIG_SPI_MXC_SELECT1 */ + +#ifdef CONFIG_SPI_MXC_SELECT2 +/*! + * Resource definition for the CSPI2 + */ +static struct resource mxcspi2_resources[] = { + [0] = { + .start = CSPI2_BASE_ADDR, + .end = CSPI2_BASE_ADDR + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = MXC_INT_CSPI2, + .end = MXC_INT_CSPI2, + .flags = IORESOURCE_IRQ, + }, +}; + +/*! Platform Data for MXC CSPI2 */ +static struct mxc_spi_master mxcspi2_data = { + .maxchipselect = 4, + .spi_version = 7, +}; + +/*! Device Definition for MXC CSPI2 */ +static struct platform_device mxcspi2_device = { + .name = "mxc_spi", + .id = 1, + .dev = { + .release = mxc_nop_release, + .platform_data = &mxcspi2_data, + }, + .num_resources = ARRAY_SIZE(mxcspi2_resources), + .resource = mxcspi2_resources, +}; +#endif /* CONFIG_SPI_MXC_SELECT2 */ + +#ifdef CONFIG_SPI_MXC_SELECT3 +/*! + * Resource definition for the CSPI3 + */ +static struct resource mxcspi3_resources[] = { + [0] = { + .start = CSPI3_BASE_ADDR, + .end = CSPI3_BASE_ADDR + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = MXC_INT_CSPI3, + .end = MXC_INT_CSPI3, + .flags = IORESOURCE_IRQ, + }, +}; + +/*! Platform Data for MXC CSPI3 */ +static struct mxc_spi_master mxcspi3_data = { + .maxchipselect = 4, + .spi_version = 7, +}; + +/*! Device Definition for MXC CSPI3 */ +static struct platform_device mxcspi3_device = { + .name = "mxc_spi", + .id = 2, + .dev = { + .release = mxc_nop_release, + .platform_data = &mxcspi3_data, + }, + .num_resources = ARRAY_SIZE(mxcspi3_resources), + .resource = mxcspi3_resources, +}; +#endif /* CONFIG_SPI_MXC_SELECT3 */ + +static inline void mxc_init_spi(void) +{ + spba_take_ownership(SPBA_CSPI2, SPBA_MASTER_A); + spba_take_ownership(SPBA_CSPI3, SPBA_MASTER_A); + +#ifdef CONFIG_SPI_MXC_SELECT1 + if (platform_device_register(&mxcspi1_device) < 0) + printk(KERN_ERR "Error: Registering the SPI Controller_1\n"); +#endif /* CONFIG_SPI_MXC_SELECT1 */ +#ifdef CONFIG_SPI_MXC_SELECT2 + if (platform_device_register(&mxcspi2_device) < 0) + printk(KERN_ERR "Error: Registering the SPI Controller_2\n"); +#endif /* CONFIG_SPI_MXC_SELECT2 */ +#ifdef CONFIG_SPI_MXC_SELECT3 + if (platform_device_register(&mxcspi3_device) < 0) + printk(KERN_ERR "Error: Registering the SPI Controller_3\n"); +#endif /* CONFIG_SPI_MXC_SELECT3 */ +} +#else +static inline void mxc_init_spi(void) +{ +} +#endif + +/* I2C controller and device data */ +#if defined(CONFIG_I2C_MXC) || defined(CONFIG_I2C_MXC_MODULE) + +#ifdef CONFIG_I2C_MXC_SELECT1 +/*! + * Resource definition for the I2C1 + */ +static struct resource mxci2c1_resources[] = { + [0] = { + .start = I2C_BASE_ADDR, + .end = I2C_BASE_ADDR + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = MXC_INT_I2C, + .end = MXC_INT_I2C, + .flags = IORESOURCE_IRQ, + }, +}; + +/*! Platform Data for MXC I2C */ +static struct mxc_i2c_platform_data mxci2c1_data = { + .i2c_clk = 100000, +}; +#endif + +#ifdef CONFIG_I2C_MXC_SELECT2 +/*! + * Resource definition for the I2C2 + */ +static struct resource mxci2c2_resources[] = { + [0] = { + .start = I2C2_BASE_ADDR, + .end = I2C2_BASE_ADDR + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = MXC_INT_I2C2, + .end = MXC_INT_I2C2, + .flags = IORESOURCE_IRQ, + }, +}; + +/*! Platform Data for MXC I2C */ +static struct mxc_i2c_platform_data mxci2c2_data = { + .i2c_clk = 100000, +}; +#endif + +#ifdef CONFIG_I2C_MXC_SELECT3 +/*! + * Resource definition for the I2C3 + */ +static struct resource mxci2c3_resources[] = { + [0] = { + .start = I2C3_BASE_ADDR, + .end = I2C3_BASE_ADDR + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = MXC_INT_I2C3, + .end = MXC_INT_I2C3, + .flags = IORESOURCE_IRQ, + }, +}; + +/*! Platform Data for MXC I2C */ +static struct mxc_i2c_platform_data mxci2c3_data = { + .i2c_clk = 100000, +}; +#endif + +/*! Device Definition for MXC I2C1 */ +static struct platform_device mxci2c_devices[] = { +#ifdef CONFIG_I2C_MXC_SELECT1 + { + .name = "mxc_i2c", + .id = 0, + .dev = { + .release = mxc_nop_release, + .platform_data = &mxci2c1_data, + }, + .num_resources = ARRAY_SIZE(mxci2c1_resources), + .resource = mxci2c1_resources,}, +#endif +#ifdef CONFIG_I2C_MXC_SELECT2 + { + .name = "mxc_i2c", + .id = 1, + .dev = { + .release = mxc_nop_release, + .platform_data = &mxci2c2_data, + }, + .num_resources = ARRAY_SIZE(mxci2c2_resources), + .resource = mxci2c2_resources,}, +#endif +#ifdef CONFIG_I2C_MXC_SELECT3 + { + .name = "mxc_i2c", + .id = 2, + .dev = { + .release = mxc_nop_release, + .platform_data = &mxci2c3_data, + }, + .num_resources = ARRAY_SIZE(mxci2c3_resources), + .resource = mxci2c3_resources,}, +#endif +}; + +static inline void mxc_init_i2c(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(mxci2c_devices); i++) { + if (platform_device_register(&mxci2c_devices[i]) < 0) + dev_err(&mxci2c_devices[i].dev, + "Unable to register I2C device\n"); + } +} +#else +static inline void mxc_init_i2c(void) +{ +} +#endif + +struct mxc_gpio_port mxc_gpio_ports[GPIO_PORT_NUM] = { + [0] = { + .chip.label = "gpio-0", + .base = IO_ADDRESS(GPIO1_BASE_ADDR), + .irq = MXC_INT_GPIO1, + .irq_high = 0, + .virtual_irq_start = MXC_GPIO_INT_BASE + }, + [1] = { + .chip.label = "gpio-1", + .base = IO_ADDRESS(GPIO2_BASE_ADDR), + .irq = MXC_INT_GPIO2, + .irq_high = 0, + .virtual_irq_start = MXC_GPIO_INT_BASE + GPIO_NUM_PIN + }, + [2] = { + .chip.label = "gpio-2", + .base = IO_ADDRESS(GPIO3_BASE_ADDR), + .irq = MXC_INT_GPIO3, + .irq_high = 0, + .virtual_irq_start = MXC_GPIO_INT_BASE + GPIO_NUM_PIN * 2 + }, + [3] = { + .chip.label = "gpio-3", + .base = IO_ADDRESS(GPIO4_BASE_ADDR), + .irq = MXC_INT_GPIO4, + .irq_high = 0, + .virtual_irq_start = MXC_GPIO_INT_BASE + GPIO_NUM_PIN * 3 + } +}; + +int __init mxc_register_gpios(void) +{ + return mxc_gpio_init(mxc_gpio_ports, ARRAY_SIZE(mxc_gpio_ports)); +} + +static inline void mxc_init_ssi(void) +{ + /* SPBA configuration for SSI - SDMA and MCU are set */ + spba_take_ownership(SPBA_SSI1, SPBA_MASTER_A | SPBA_MASTER_C); + spba_take_ownership(SPBA_SSI2, SPBA_MASTER_A | SPBA_MASTER_C); +} + +static struct platform_device mxc_dma_device = { + .name = "mxc_dma", + .id = 0, + .dev = { + .release = mxc_nop_release, + }, +}; + +static inline void mxc_init_dma(void) +{ + (void)platform_device_register(&mxc_dma_device); +} + +/* imx adc driver */ +#if defined(CONFIG_IMX_ADC) || defined(CONFIG_IMX_ADC_MODULE) + +static struct resource imx_adc_resources[] = { + [0] = { + .start = MXC_INT_TSC, + .end = MXC_INT_TSC, + .flags = IORESOURCE_IRQ, + }, + [1] = { + .start = TSC_BASE_ADDR, + .end = TSC_BASE_ADDR + PAGE_SIZE, + .flags = IORESOURCE_MEM, + } +}; + +static struct platform_device imx_adc_device = { + .name = "imx_adc", + .id = 0, + .num_resources = ARRAY_SIZE(imx_adc_resources), + .resource = imx_adc_resources, + .dev = { + .release = NULL, + }, +}; +static void imx_init_adc(void) +{ + (void)platform_device_register(&imx_adc_device); +} +#else +static void imx_init_adc(void) +{ +} +#endif + +#if defined(CONFIG_CAN_FLEXCAN) || defined(CONFIG_CAN_FLEXCAN_MODULE) + +static struct resource flexcan1_resources[] = { + { + .start = CAN1_BASE_ADDR, + .end = CAN1_BASE_ADDR + 0x97F, + .flags = IORESOURCE_MEM,}, + { + .start = MXC_INT_CAN1, + .end = MXC_INT_CAN1, + .flags = IORESOURCE_IRQ,} +}; +static struct resource flexcan2_resources[] = { + { + .start = CAN3_BASE_ADDR, + .end = CAN3_BASE_ADDR + 0x97F, + .flags = IORESOURCE_MEM,}, + { + .start = MXC_INT_CAN2, + .end = MXC_INT_CAN2, + .flags = IORESOURCE_IRQ,} +}; + +static struct platform_device flexcan_devices[] = { + { + .name = "FlexCAN", + .id = 0, + .dev = { + .release = mxc_nop_release, + .platform_data = &flexcan_data[0], + }, + .num_resources = ARRAY_SIZE(flexcan1_resources), + .resource = flexcan1_resources,}, + { + .name = "FlexCAN", + .id = 1, + .dev = { + .release = mxc_nop_release, + .platform_data = &flexcan_data[1], + }, + .num_resources = ARRAY_SIZE(flexcan2_resources), + .resource = flexcan2_resources,}, +}; + +static inline void mxc_init_flexcan(void) +{ +#ifdef CONFIG_FLEXCAN_MXC_SELECT1 + /* MX25 3stack doesn't use CAN1 */ + platform_device_register(&flexcan_devices[0]); +#endif + platform_device_register(&flexcan_devices[1]); +} +#else +static inline void mxc_init_flexcan(void) +{ +} +#endif + +static struct platform_device mxc_alsa_surround_device = { + .name = "imx-3stack-wm8580", + .id = 0, + .dev = { + .release = mxc_nop_release, + }, +}; + +static void mxc_init_surround_audio(void) +{ + platform_device_register(&mxc_alsa_surround_device); +} + +#if defined(CONFIG_MXC_IIM) || defined(CONFIG_MXC_IIM_MODULE) +static struct resource mxc_iim_resources[] = { + { + .start = IIM_BASE_ADDR, + .end = IIM_BASE_ADDR + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device mxc_iim_device = { + .name = "mxc_iim", + .id = 0, + .dev = { + .release = mxc_nop_release, + }, + .num_resources = ARRAY_SIZE(mxc_iim_resources), + .resource = mxc_iim_resources +}; + +static inline void mxc_init_iim(void) +{ + if (platform_device_register(&mxc_iim_device) < 0) + dev_err(&mxc_iim_device.dev, + "Unable to register mxc iim device\n"); +} +#else +static inline void mxc_init_iim(void) +{ +} +#endif + +static int __init mxc_init_devices(void) +{ + mxc_init_wdt(); + mxc_init_spi(); + mxc_init_i2c(); + mxc_init_dma(); + mxc_init_ssi(); + mxc_init_surround_audio(); + mxc_init_rtc(); + imx_init_adc(); + mxc_init_flexcan(); + mxc_init_iim(); + + return 0; +} + +arch_initcall(mxc_init_devices); |