diff options
Diffstat (limited to 'arch/arm/mach-mx51/devices.c')
| -rw-r--r-- | arch/arm/mach-mx51/devices.c | 1284 |
1 files changed, 1284 insertions, 0 deletions
diff --git a/arch/arm/mach-mx51/devices.c b/arch/arm/mach-mx51/devices.c new file mode 100644 index 000000000000..3496580d807f --- /dev/null +++ b/arch/arm/mach-mx51/devices.c @@ -0,0 +1,1284 @@ +/* + * 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/err.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/dma-mapping.h> +#include <linux/platform_device.h> +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/spi/spi.h> +#include <linux/uio_driver.h> +#include <linux/mxc_scc2_driver.h> +#include <linux/pwm_backlight.h> +#include <mach/hardware.h> +#include <mach/spba.h> +#include <asm/mach-types.h> +#include "iomux.h" +#include "crm_regs.h" +#include <mach/sdma.h> +#include "sdma_script_code.h" + +/* Flag used to indicate when IRAM has been initialized */ +int iram_ready; +/* Flag used to indicate if dvfs_core is active. */ +int dvfs_core_is_active; + +void mxc_sdma_get_script_info(sdma_script_start_addrs * sdma_script_addr) +{ + /* AP<->BP */ + 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_ap_2_ap_fixed_addr = -1; + + /*misc */ + sdma_script_addr->mxc_sdma_loopback_on_dsp_side_addr = -1; + sdma_script_addr->mxc_sdma_mcu_interrupt_only_addr = -1; + + /* firi */ + 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; + + /* uart */ + 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; + + /* UART SH */ + 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; + + /* SHP */ + sdma_script_addr->mxc_sdma_per_2_shp_addr = per_2_shp_ADDR; + sdma_script_addr->mxc_sdma_shp_2_per_addr = shp_2_per_ADDR; + sdma_script_addr->mxc_sdma_mcu_2_shp_addr = mcu_2_shp_ADDR; + sdma_script_addr->mxc_sdma_shp_2_mcu_addr = shp_2_mcu_ADDR; + + /* ATA */ + sdma_script_addr->mxc_sdma_mcu_2_ata_addr = mcu_2_ata_ADDR; + sdma_script_addr->mxc_sdma_ata_2_mcu_addr = ata_2_mcu_ADDR; + + /* app */ + 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_per_2_app_addr = per_2_app_ADDR; + sdma_script_addr->mxc_sdma_mcu_2_app_addr = mcu_2_app_ADDR; + + /* MSHC */ + sdma_script_addr->mxc_sdma_mshc_2_mcu_addr = -1; + sdma_script_addr->mxc_sdma_mcu_2_mshc_addr = -1; + + /* spdif */ + sdma_script_addr->mxc_sdma_spdif_2_mcu_addr = -1; + sdma_script_addr->mxc_sdma_mcu_2_spdif_addr = mcu_2_spdif_ADDR; + + /* IPU */ + sdma_script_addr->mxc_sdma_ext_mem_2_ipu_addr = ext_mem__ipu_ram_ADDR; + + /* DVFS */ + sdma_script_addr->mxc_sdma_dptc_dvfs_addr = -1; + + /* core */ + sdma_script_addr->mxc_sdma_start_addr = (unsigned short *)sdma_code; + sdma_script_addr->mxc_sdma_ram_code_start_addr = RAM_CODE_START_ADDR; + sdma_script_addr->mxc_sdma_ram_code_size = RAM_CODE_SIZE; +} + +static void mxc_nop_release(struct device *dev) +{ + /* Nothing */ +} + +#if defined(CONFIG_W1_MASTER_MXC) || defined(CONFIG_W1_MASTER_MXC_MODULE) +static struct resource w1_resources[] = { + { + .start = MXC_INT_OWIRE, + .flags = IORESOURCE_IRQ, + } +}; + +static struct mxc_w1_config mxc_w1_data = { + .search_rom_accelerator = 1, +}; + +static struct platform_device mxc_w1_devices = { + .name = "mxc_w1", + .dev = { + .release = mxc_nop_release, + .platform_data = &mxc_w1_data, + }, + .num_resources = ARRAY_SIZE(w1_resources), + .resource = w1_resources, + .id = 0 +}; + +static void mxc_init_owire(void) +{ + (void)platform_device_register(&mxc_w1_devices); +} +#else +static inline void mxc_init_owire(void) +{ +} +#endif + +#if defined(CONFIG_RTC_DRV_MXC_V2) || defined(CONFIG_RTC_DRV_MXC_V2_MODULE) +static struct mxc_srtc_platform_data srtc_data = { + .srtc_sec_mode_addr = 0x83F98840, +}; + +static struct resource rtc_resources[] = { + { + .start = SRTC_BASE_ADDR, + .end = SRTC_BASE_ADDR + 0x40, + .flags = IORESOURCE_MEM, + }, + { + .start = MXC_INT_SRTC_NTZ, + .flags = IORESOURCE_IRQ, + }, +}; +static struct platform_device mxc_rtc_device = { + .name = "mxc_rtc", + .id = 0, + .dev = { + .release = mxc_nop_release, + .platform_data = &srtc_data, + }, + .num_resources = ARRAY_SIZE(rtc_resources), + .resource = rtc_resources, +}; +static void mxc_init_rtc(void) +{ + (void)platform_device_register(&mxc_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 + +#if defined(CONFIG_MXC_PWM) +static struct resource pwm_resources[] = { + { + .start = PWM1_BASE_ADDR, + .end = PWM1_BASE_ADDR + 0x14, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device mxc_pwm_device = { + .name = "mxc_pwm", + .id = 0, + .dev = { + .release = mxc_nop_release, + }, + .num_resources = ARRAY_SIZE(pwm_resources), + .resource = pwm_resources, +}; + +static void mxc_init_pwm(void) +{ + printk(KERN_INFO "mxc_pwm_device registered\n"); + if (platform_device_register(&mxc_pwm_device) < 0) + printk(KERN_ERR "registration of mxc_pwm device failed\n"); +} +#else +static void mxc_init_pwm(void) +{ + +} +#endif + +#if defined(CONFIG_BACKLIGHT_PWM) +static struct platform_pwm_backlight_data mxc_pwm_backlight_data = { + .pwm_id = 0, + .max_brightness = 255, + .dft_brightness = 128, + .pwm_period_ns = 78770, +}; + +static struct platform_device mxc_pwm_backlight_device = { + .name = "pwm-backlight", + .id = -1, + .dev = { + .release = mxc_nop_release, + .platform_data = &mxc_pwm_backlight_data, + }, +}; + +static void mxc_init_pwm_backlight(void) +{ + printk(KERN_INFO "pwm-backlight device registered\n"); + if (platform_device_register(&mxc_pwm_backlight_device) < 0) + printk(KERN_ERR + "registration of pwm-backlight device failed\n"); +} +#else +static void mxc_init_pwm_backlight(void) +{ + +} +#endif + +#if defined(CONFIG_MXC_IPU_V3) || defined(CONFIG_MXC_IPU_V3_MODULE) +static struct mxc_ipu_config mxc_ipu_data = { + .rev = 1, +}; + +static struct resource ipu_resources[] = { + { + .start = IPU_CTRL_BASE_ADDR, + .end = IPU_CTRL_BASE_ADDR + SZ_512M, + .flags = IORESOURCE_MEM, + }, + { + .start = MXC_INT_IPU_SYN, + .flags = IORESOURCE_IRQ, + }, + { + .start = MXC_INT_IPU_ERR, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device mxc_ipu_device = { + .name = "mxc_ipu", + .id = -1, + .dev = { + .release = mxc_nop_release, + .platform_data = &mxc_ipu_data, + }, + .num_resources = ARRAY_SIZE(ipu_resources), + .resource = ipu_resources, +}; + +static void mxc_init_ipu(void) +{ + u32 reg_hsc_mcd = IO_ADDRESS(MIPI_HSC_BASE_ADDR); + u32 reg_hsc_mxt_conf = IO_ADDRESS(MIPI_HSC_BASE_ADDR + 0x800); + struct clk *clk; + uint32_t temp; + + /* Select IPUv3 h/w version */ + if (cpu_is_mx51_rev(CHIP_REV_2_0) > 0) + mxc_ipu_data.rev = 2; + + mxc_ipu_data.di_clk[1] = clk_get(NULL, "ipu_di1_clk"); + clk = clk_get(NULL, "tve_clk"); + clk_set_parent(mxc_ipu_data.di_clk[1], clk); + clk_put(clk); + + /* Temporarily setup MIPI module to legacy mode */ + clk = clk_get(NULL, "mipi_hsp_clk"); + if (!IS_ERR(clk)) { + clk_enable(clk); + + /* Temporarily setup MIPI module to legacy mode */ + __raw_writel(0xF00, reg_hsc_mcd); + + /* CSI mode reserved*/ + temp = __raw_readl(reg_hsc_mxt_conf); + __raw_writel(temp | 0x0FF, reg_hsc_mxt_conf); + + if (cpu_is_mx51_rev(CHIP_REV_2_0) > 0) { + temp = __raw_readl(reg_hsc_mxt_conf); + __raw_writel(temp | 0x10000, reg_hsc_mxt_conf); + } + + clk_disable(clk); + clk_put(clk); + } + platform_device_register(&mxc_ipu_device); +} +#else +static inline void mxc_init_ipu(void) +{ +} +#endif + +#if defined(CONFIG_MXC_VPU) || defined(CONFIG_MXC_VPU_MODULE) +static struct resource vpu_resources[] = { + [0] = { + .start = VPU_IRAM_BASE_ADDR, + .end = VPU_IRAM_BASE_ADDR + VPU_IRAM_SIZE, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IO_ADDRESS(SRC_BASE_ADDR), + .end = IO_ADDRESS(SRC_BASE_ADDR), + .flags = IORESOURCE_MEM, + }, +}; + +/*! Platform Data for MXC VPU */ +static struct platform_device mxcvpu_device = { + .name = "mxc_vpu", + .id = 0, + .dev = { + .release = mxc_nop_release, + }, + .num_resources = ARRAY_SIZE(vpu_resources), + .resource = vpu_resources, +}; + +static inline void mxc_init_vpu(void) +{ + if (platform_device_register(&mxcvpu_device) < 0) + printk(KERN_ERR "Error: Registering the VPU.\n"); +} +#else +static inline void mxc_init_vpu(void) +{ +} +#endif + +/*! + * This is platform device structure for adding SCC + */ +#if defined(CONFIG_MXC_SECURITY_SCC) || defined(CONFIG_MXC_SECURITY_SCC_MODULE) +static struct platform_device mxc_scc_device = { + .name = "mxc_scc", + .id = 0, +}; +static void mxc_init_scc(void) +{ + platform_device_register(&mxc_scc_device); +} +#else +#define SCM_RD_DELAY 1000000 /* in nanoseconds */ +#define SEC_TO_NANOSEC 1000000000 /*Second to nanoseconds */ +static inline void mxc_init_scc(void) +{ + uint32_t reg_value; + uint32_t reg_mask = 0; + uint8_t *UMID_base; + uint32_t *MAP_base; + uint8_t i; + uint32_t partition_no; + uint32_t scc_partno; + void *scm_ram_base; + void *scc_base; + uint8_t iram_partitions = 16; + struct timespec stime; + struct timespec curtime; + long scm_rd_timeout = 0; + long cur_ns = 0; + long start_ns = 0; + + if (cpu_is_mx51_rev(CHIP_REV_2_0) < 0) + iram_partitions = 12; + + scc_base = ioremap((uint32_t) SCC_BASE_ADDR, 0x140); + if (scc_base == NULL) { + printk(KERN_ERR "FAILED TO MAP IRAM REGS\n"); + return; + } + scm_ram_base = ioremap((uint32_t) IRAM_BASE_ADDR, IRAM_SIZE); + if (scm_ram_base == NULL) { + printk(KERN_ERR "FAILED TO MAP IRAM\n"); + return; + } + + /* Wait for any running SCC operations to finish or fail */ + getnstimeofday(&stime); + do { + reg_value = __raw_readl(scc_base + SCM_STATUS_REG); + getnstimeofday(&curtime); + if (curtime.tv_nsec > stime.tv_nsec) + scm_rd_timeout = curtime.tv_nsec - stime.tv_nsec; + else{ + /*Converted second to nanosecond and add to + nsec when current nanosec is less than + start time nanosec.*/ + cur_ns = (curtime.tv_sec * SEC_TO_NANOSEC) + + curtime.tv_nsec; + start_ns = (stime.tv_sec * SEC_TO_NANOSEC) + + stime.tv_nsec; + scm_rd_timeout = cur_ns - start_ns; + } + } while (((reg_value & SCM_STATUS_SRS_MASK) != SCM_STATUS_SRS_READY) + && ((reg_value & SCM_STATUS_SRS_MASK) != SCM_STATUS_SRS_FAIL)); + + /* Check for failures */ + if ((reg_value & SCM_STATUS_SRS_MASK) != SCM_STATUS_SRS_READY) { + /* Special message for bad secret key fuses */ + if (reg_value & SCM_STATUS_KST_BAD_KEY) + printk(KERN_ERR "INVALID SCC KEY FUSE PATTERN\n"); + else + printk(KERN_ERR "SECURE RAM FAILURE\n"); + + iounmap(scm_ram_base); + iounmap(scc_base); + return; + } + + scm_rd_timeout = 0; + /* Release final two partitions for SCC2 driver */ + scc_partno = iram_partitions - (SCC_IRAM_SIZE / SZ_8K); + for (partition_no = scc_partno; partition_no < iram_partitions; + partition_no++) { + reg_value = (((partition_no << SCM_ZCMD_PART_SHIFT) & + SCM_ZCMD_PART_MASK) | ((0x03 << SCM_ZCMD_CCMD_SHIFT) & + SCM_ZCMD_CCMD_MASK)); + __raw_writel(reg_value, scc_base + SCM_ZCMD_REG); + udelay(1); + /* Wait for zeroization to complete */ + getnstimeofday(&stime); + do { + reg_value = __raw_readl(scc_base + SCM_STATUS_REG); + getnstimeofday(&curtime); + if (curtime.tv_nsec > stime.tv_nsec) + scm_rd_timeout = curtime.tv_nsec - + stime.tv_nsec; + else { + /*Converted second to nanosecond and add to + nsec when current nanosec is less than + start time nanosec.*/ + cur_ns = (curtime.tv_sec * SEC_TO_NANOSEC) + + curtime.tv_nsec; + start_ns = (stime.tv_sec * SEC_TO_NANOSEC) + + stime.tv_nsec; + scm_rd_timeout = cur_ns - start_ns; + } + } while (((reg_value & SCM_STATUS_SRS_MASK) != + SCM_STATUS_SRS_READY) && ((reg_value & SCM_STATUS_SRS_MASK) != + SCM_STATUS_SRS_FAIL) && (scm_rd_timeout <= SCM_RD_DELAY)); + + if (scm_rd_timeout > SCM_RD_DELAY) + printk(KERN_ERR "SCM Status Register Read timeout" + "for Partition No:%d", partition_no); + + if ((reg_value & SCM_STATUS_SRS_MASK) != SCM_STATUS_SRS_READY) + break; + } + + /*Check all expected partitions released */ + reg_value = __raw_readl(scc_base + SCM_PART_OWNERS_REG); + if ((reg_value & reg_mask) != 0) { + printk(KERN_ERR "FAILED TO RELEASE IRAM PARTITION\n"); + iounmap(scm_ram_base); + iounmap(scc_base); + return; + } + reg_mask = 0; + scm_rd_timeout = 0; + /* Allocate remaining partitions for general use */ + for (partition_no = 0; partition_no < scc_partno; partition_no++) { + /* Supervisor mode claims a partition for it's own use + by writing zero to SMID register.*/ + __raw_writel(0, scc_base + (SCM_SMID0_REG + 8 * partition_no)); + + /* Wait for any zeroization to complete */ + getnstimeofday(&stime); + do { + reg_value = __raw_readl(scc_base + SCM_STATUS_REG); + getnstimeofday(&curtime); + if (curtime.tv_nsec > stime.tv_nsec) + scm_rd_timeout = curtime.tv_nsec - + stime.tv_nsec; + else{ + /*Converted second to nanosecond and add to + nsec when current nanosec is less than + start time nanosec.*/ + cur_ns = (curtime.tv_sec * SEC_TO_NANOSEC) + + curtime.tv_nsec; + start_ns = (stime.tv_sec * SEC_TO_NANOSEC) + + stime.tv_nsec; + scm_rd_timeout = cur_ns - start_ns; + } + } while (((reg_value & SCM_STATUS_SRS_MASK) != + SCM_STATUS_SRS_READY) && ((reg_value & SCM_STATUS_SRS_MASK) != + SCM_STATUS_SRS_FAIL) && (scm_rd_timeout <= SCM_RD_DELAY)); + + if (scm_rd_timeout > SCM_RD_DELAY) + printk(KERN_ERR "SCM Status Register Read timeout" + "for Partition No:%d", partition_no); + + if ((reg_value & SCM_STATUS_SRS_MASK) != SCM_STATUS_SRS_READY) + break; + /* Set UMID=0 and permissions for universal data + read/write access */ + MAP_base = scm_ram_base + (partition_no * 0x2000); + UMID_base = (uint8_t *) MAP_base + 0x10; + for (i = 0; i < 16; i++) + UMID_base[i] = 0; + + MAP_base[0] = (SCM_PERM_NO_ZEROIZE | SCM_PERM_HD_SUP_DISABLE | + SCM_PERM_HD_READ | SCM_PERM_HD_WRITE | + SCM_PERM_HD_EXECUTE | SCM_PERM_TH_READ | + SCM_PERM_TH_WRITE); + reg_mask |= (3 << (2 * (partition_no))); + } + + /* Check all expected partitions allocated */ + reg_value = __raw_readl(scc_base + SCM_PART_OWNERS_REG); + if ((reg_value & reg_mask) != reg_mask) { + printk(KERN_ERR "FAILED TO ACQUIRE IRAM PARTITION\n"); + iounmap(scm_ram_base); + iounmap(scc_base); + return; + } + + iounmap(scm_ram_base); + iounmap(scc_base); + printk(KERN_INFO "IRAM READY\n"); + iram_ready = 1; +} +#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, + }, +}; + +extern void mx51_babbage_gpio_spi_chipselect_active(int cspi_mode, int status, + int chipselect); +extern void mx51_babbage_gpio_spi_chipselect_inactive(int cspi_mode, int status, + int chipselect); +/*! Platform Data for MXC CSPI1 */ +static struct mxc_spi_master mxcspi1_data = { + .maxchipselect = 4, + .spi_version = 23, +}; + +/*! 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 = 23, +}; + +/*! 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_CSPI, + .end = MXC_INT_CSPI, + .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 */ + +void __init mxc_init_spi(void) +{ + /* SPBA configuration for CSPI2 - MCU is set */ + spba_take_ownership(SPBA_CSPI1, SPBA_MASTER_A); +#ifdef CONFIG_SPI_MXC_SELECT1 + if (machine_is_mx51_babbage()) { + mxcspi1_data.chipselect_active = + mx51_babbage_gpio_spi_chipselect_active; + mxcspi1_data.chipselect_inactive = + mx51_babbage_gpio_spi_chipselect_inactive; + } + 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 +void __init 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 = I2C1_BASE_ADDR, + .end = I2C1_BASE_ADDR + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = MXC_INT_I2C1, + .end = MXC_INT_I2C1, + .flags = IORESOURCE_IRQ, + }, +}; + +/*! Platform Data for MXC I2C */ +static struct mxc_i2c_platform_data mxci2c1_data = { + .i2c_clk = 400000, +}; +#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 = 400000, +}; +#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 +// Note: AG: The CCWMX51 has not got a third standard I2C port. +#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 + +#if defined(CONFIG_I2C_MXC_HS) || defined(CONFIG_I2C_MXC_HS_MODULE) +static struct resource mxci2c_hs_resources[] = { + [0] = { + .start = HSI2C_DMA_BASE_ADDR, + .end = HSI2C_DMA_BASE_ADDR + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = MXC_INT_HS_I2C, + .end = MXC_INT_HS_I2C, + .flags = IORESOURCE_IRQ, + }, +}; + +/*! Platform Data for MXC I2C */ +static struct mxc_i2c_platform_data mxci2c_hs_data = { + .i2c_clk = 400000, +}; + +static struct platform_device mxci2c_hs_device = { + .name = "mxc_i2c_hs", + .id = 3, + .dev = { + .release = mxc_nop_release, + .platform_data = &mxci2c_hs_data, + }, + .num_resources = ARRAY_SIZE(mxci2c_hs_resources), + .resource = mxci2c_hs_resources +}; + +static inline void mxc_init_i2c_hs(void) +{ + if (platform_device_register(&mxci2c_hs_device) < 0) + dev_err(&mxci2c_hs_device.dev, + "Unable to register High Speed I2C device\n"); +} +#else +static inline void mxc_init_i2c_hs(void) +{ +} +#endif + +#if defined(CONFIG_FB_MXC_TVOUT_TVE) || defined(CONFIG_FB_MXC_TVOUT_TVE_MODULE) +static struct resource tve_resources[] = { + { + .start = TVE_BASE_ADDR, + .end = TVE_BASE_ADDR + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = MXC_INT_TVE, + .flags = IORESOURCE_IRQ, + }, +}; +static struct tve_platform_data tve_data = { + .dac_reg = "VVIDEO", + .dig_reg = "VDIG", +}; + +static struct platform_device mxc_tve_device = { + .name = "tve", + .dev = { + .platform_data = &tve_data, + .release = mxc_nop_release, + }, + .num_resources = ARRAY_SIZE(tve_resources), + .resource = tve_resources, +}; + +void __init mxc_init_tve(void) +{ + platform_device_register(&mxc_tve_device); +} +#else +static inline void mxc_init_tve(void) +{ +} +#endif + +/*! + * Resource definition for the DVFS CORE + */ +static struct resource dvfs_core_resources[] = { + [0] = { + .start = MXC_DVFS_CORE_BASE, + .end = MXC_DVFS_CORE_BASE + 4 * SZ_16 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = MXC_INT_GPC1, + .end = MXC_INT_GPC1, + .flags = IORESOURCE_IRQ, + }, +}; + +/*! Platform Data for DVFS CORE */ +struct mxc_dvfs_platform_data dvfs_core_data = { + .reg_id = "SW1", + .clk1_id = "cpu_clk", + .clk2_id = "gpc_dvfs_clk", + .gpc_cntr_reg_addr = MXC_GPC_CNTR, + .gpc_vcr_reg_addr = MXC_GPC_VCR, + .ccm_cdcr_reg_addr = (unsigned int)MXC_CCM_CDCR, + .ccm_cacrr_reg_addr = (unsigned int)MXC_CCM_CACRR, + .ccm_cdhipr_reg_addr = (unsigned int)MXC_CCM_CDHIPR, + .dvfs_thrs_reg_addr = MXC_DVFSTHRS, + .dvfs_coun_reg_addr = MXC_DVFSCOUN, + .dvfs_emac_reg_addr = MXC_DVFSEMAC, + .dvfs_cntr_reg_addr = MXC_DVFSCNTR, + .prediv_mask = 0x1F800, + .prediv_offset = 11, + .prediv_val = 3, + .div3ck_mask = 0xE0000000, + .div3ck_offset = 29, + .div3ck_val = 2, + .emac_val = 0x08, + .upthr_val = 25, + .dnthr_val = 9, + .pncthr_val = 33, + .upcnt_val = 10, + .dncnt_val = 10, + .delay_time = 30, + .num_wp = 3, +}; + +/*! Device Definition for MXC DVFS core */ +static struct platform_device mxc_dvfs_core_device = { + .name = "mxc_dvfs_core", + .id = 0, + .dev = { + .release = mxc_nop_release, + .platform_data = &dvfs_core_data, + }, + .num_resources = ARRAY_SIZE(dvfs_core_resources), + .resource = dvfs_core_resources, +}; + +static inline void mxc_init_dvfs(void) +{ + if (platform_device_register(&mxc_dvfs_core_device) < 0) + dev_err(&mxc_dvfs_core_device.dev, + "Unable to register DVFS core device\n"); +} + +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_LOW, + .irq_high = MXC_INT_GPIO1_HIGH, + .virtual_irq_start = MXC_GPIO_INT_BASE + }, + [1] = { + .chip.label = "gpio-1", + .base = IO_ADDRESS(GPIO2_BASE_ADDR), + .irq = MXC_INT_GPIO2_LOW, + .irq_high = MXC_INT_GPIO2_HIGH, + .virtual_irq_start = MXC_GPIO_INT_BASE + GPIO_NUM_PIN * 1 + }, + [2] = { + .chip.label = "gpio-2", + .base = IO_ADDRESS(GPIO3_BASE_ADDR), + .irq = MXC_INT_GPIO3_LOW, + .irq_high = MXC_INT_GPIO3_HIGH, + .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_LOW, + .irq_high = MXC_INT_GPIO4_HIGH, + .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 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); +} + +static struct resource spdif_resources[] = { + { + .start = SPDIF_BASE_ADDR, + .end = SPDIF_BASE_ADDR + 0x50, + .flags = IORESOURCE_MEM, + }, +}; + +static struct mxc_spdif_platform_data mxc_spdif_data = { + .spdif_tx = 1, + .spdif_rx = 0, + .spdif_clk_44100 = 0, /* spdif_ext_clk source for 44.1KHz */ + .spdif_clk_48000 = 7, /* audio osc source */ + .spdif_clkid = 0, + .spdif_clk = NULL, /* spdif bus clk */ +}; + +static struct platform_device mxc_alsa_spdif_device = { + .name = "mxc_alsa_spdif", + .id = 0, + .dev = { + .release = mxc_nop_release, + .platform_data = &mxc_spdif_data, + }, + .num_resources = ARRAY_SIZE(spdif_resources), + .resource = spdif_resources, +}; + +static inline void mxc_init_spdif(void) +{ + mxc_spdif_data.spdif_core_clk = clk_get(NULL, "spdif_xtal_clk"); + clk_put(mxc_spdif_data.spdif_core_clk); + platform_device_register(&mxc_alsa_spdif_device); +} + +static struct platform_device mx51_lpmode_device = { + .name = "mx51_lpmode", + .id = 0, + .dev = { + .release = mxc_nop_release, + }, +}; + +static inline void mx51_init_lpmode(void) +{ + (void)platform_device_register(&mx51_lpmode_device); +} + +static struct platform_device busfreq_device = { + .name = "busfreq", + .id = 0, + .dev = { + .release = mxc_nop_release, + }, +}; + +static inline void mxc_init_busfreq(void) +{ + (void)platform_device_register(&busfreq_device); +} + +static struct platform_device sdram_autogating_device = { + .name = "sdram_autogating", + .id = 0, + .dev = { + .release = mxc_nop_release, + }, +}; + +static inline void mxc_init_sdram_autogating(void) +{ + (void)platform_device_register(&sdram_autogating_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 struct resource mxc_gpu_resources[] = { + [0] = { + .start = MXC_INT_GPU2_IRQ, + .end = MXC_INT_GPU2_IRQ, + .name = "gpu_2d_irq", + .flags = IORESOURCE_IRQ,}, + [1] = { + .start = MXC_INT_GPU, + .end = MXC_INT_GPU, + .name = "gpu_3d_irq", + .flags = IORESOURCE_IRQ,}, +}; + +static struct platform_device gpu_device = { + .name = "mxc_gpu", + .id = 0, + .dev = { + .release = mxc_nop_release, + }, + .num_resources = ARRAY_SIZE(mxc_gpu_resources), + .resource = mxc_gpu_resources, +}; + +static void __init mxc_init_gpu(void) +{ + platform_device_register(&gpu_device); +} + +static struct resource mxc_gpu2d_resources[] = { + { + .start = GPU2D_BASE_ADDR, + .end = GPU2D_BASE_ADDR + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + { + .flags = IORESOURCE_MEM, + }, + { + .flags = IORESOURCE_MEM, + }, +}; + +#if defined(CONFIG_UIO_PDRV_GENIRQ) || defined(CONFIG_UIO_PDRV_GENIRQ_MODULE) +static struct clk *gpu_clk; + +int gpu2d_open(struct uio_info *info, struct inode *inode) +{ + gpu_clk = clk_get(NULL, "gpu2d_clk"); + if (IS_ERR(gpu_clk)) + return PTR_ERR(gpu_clk); + + return clk_enable(gpu_clk); +} + +int gpu2d_release(struct uio_info *info, struct inode *inode) +{ + if (IS_ERR(gpu_clk)) + return PTR_ERR(gpu_clk); + + clk_disable(gpu_clk); + clk_put(gpu_clk); + return 0; +} + +static int gpu2d_mmap(struct uio_info *info, struct vm_area_struct *vma) +{ + int mi = vma->vm_pgoff; + if (mi < 0) + return -EINVAL; + + vma->vm_flags |= VM_IO | VM_RESERVED; + vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); + + return remap_pfn_range(vma, + vma->vm_start, + info->mem[mi].addr >> PAGE_SHIFT, + vma->vm_end - vma->vm_start, + vma->vm_page_prot); +} + +static struct uio_info gpu2d_info = { + .name = "imx_gpu2d", + .version = "1", + .irq = MXC_INT_GPU2_IRQ, + .open = gpu2d_open, + .release = gpu2d_release, + .mmap = gpu2d_mmap, +}; + +static struct platform_device mxc_gpu2d_device = { + .name = "uio_pdrv_genirq", + .dev = { + .release = mxc_nop_release, + .platform_data = &gpu2d_info, + .coherent_dma_mask = 0xFFFFFFFF, + }, + .num_resources = ARRAY_SIZE(mxc_gpu2d_resources), + .resource = mxc_gpu2d_resources, +}; + +static inline void mxc_init_gpu2d(void) +{ + dma_alloc_coherent(&mxc_gpu2d_device.dev, SZ_8K, &mxc_gpu2d_resources[1].start, GFP_DMA); + mxc_gpu2d_resources[1].end = mxc_gpu2d_resources[1].start + SZ_8K - 1; + + dma_alloc_coherent(&mxc_gpu2d_device.dev, 88 * SZ_1K, &mxc_gpu2d_resources[2].start, GFP_DMA); + mxc_gpu2d_resources[2].end = mxc_gpu2d_resources[2].start + (88 * SZ_1K) - 1; + + platform_device_register(&mxc_gpu2d_device); +} +#else +static inline void mxc_init_gpu2d(void) +{ +} +#endif + +int __init mxc_init_devices(void) +{ + mxc_init_wdt(); + mxc_init_spi(); + mxc_init_i2c(); + mxc_init_i2c_hs(); + mxc_init_rtc(); + mxc_init_scc(); + mxc_init_dma(); + mxc_init_owire(); + mxc_init_ipu(); + mxc_init_vpu(); + mxc_init_spdif(); + mxc_init_tve(); + mx51_init_lpmode(); + mxc_init_busfreq(); + mxc_init_sdram_autogating(); + mxc_init_dvfs(); + mxc_init_iim(); + mxc_init_gpu(); + mxc_init_gpu2d(); + mxc_init_pwm(); + mxc_init_pwm_backlight(); + return 0; +} |