diff options
Diffstat (limited to 'arch/arm/mach-mx3/mx3_3stack.c')
| -rw-r--r-- | arch/arm/mach-mx3/mx3_3stack.c | 1093 |
1 files changed, 1093 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/mx3_3stack.c b/arch/arm/mach-mx3/mx3_3stack.c new file mode 100644 index 000000000000..516890f020a4 --- /dev/null +++ b/arch/arm/mach-mx3/mx3_3stack.c @@ -0,0 +1,1093 @@ +/* + * Copyright (C) 2000 Deep Blue Solutions Ltd + * Copyright (C) 2002 Shane Nay (shane@minirl.com) + * Copyright (C) 2005-2010 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/types.h> +#include <linux/sched.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/init.h> +#include <linux/input.h> +#include <linux/i2c.h> +#include <linux/nodemask.h> +#include <linux/clk.h> +#include <linux/platform_device.h> +#include <linux/fsl_devices.h> +#include <linux/spi/spi.h> +#include <linux/i2c.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/consumer.h> +#include <linux/ata.h> +#include <linux/smsc911x.h> +#if defined(CONFIG_MTD) || defined(CONFIG_MTD_MODULE) +#include <linux/mtd/mtd.h> +#include <linux/mtd/map.h> +#include <linux/mtd/partitions.h> + +#include <asm/mach/flash.h> +#endif + +#include <asm/irq.h> +#include <asm/setup.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/irq.h> +#include <asm/mach/keypad.h> +#include <asm/mach/time.h> +#include <mach/common.h> +#include <mach/hardware.h> +#include <mach/memory.h> +#include <mach/gpio.h> +#include <mach/mmc.h> +#include <mach/pmic_power.h> + +#include "board-mx3_3stack.h" +#include "crm_regs.h" +#include "iomux.h" +/*! + * @file mach-mx3/mx3_3stack.c + * + * @brief This file contains the board specific initialization routines. + * + * @ingroup MSL_MX31 + */ + +extern void mxc_map_io(void); +extern void mxc_init_irq(void); +extern void mxc_cpu_init(void) __init; +extern void mxc_cpu_common_init(void); +extern int mxc_init_devices(void); + +static void mxc_nop_release(struct device *dev) +{ + /* Nothing */ +} + +#if defined(CONFIG_KEYBOARD_MXC) || defined(CONFIG_KEYBOARD_MXC_MODULE) +static u16 keymapping[12] = { + KEY_UP, KEY_DOWN, 0, 0, + KEY_RIGHT, KEY_LEFT, KEY_ENTER, 0, + KEY_F6, KEY_F8, KEY_F9, KEY_F10, +}; + +static struct resource mxc_kpp_resources[] = { + [0] = { + .start = MXC_INT_KPP, + .end = MXC_INT_KPP, + .flags = IORESOURCE_IRQ, + }, + [1] = { + .start = KPP_BASE_ADDR, + .end = KPP_BASE_ADDR + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct keypad_data keypad_plat_data = { + .rowmax = 3, + .colmax = 4, + .learning = 0, + .delay = 2, + .matrix = keymapping, +}; + +/* mxc keypad driver */ +static struct platform_device mxc_keypad_device = { + .name = "mxc_keypad", + .id = 0, + .num_resources = ARRAY_SIZE(mxc_kpp_resources), + .resource = mxc_kpp_resources, + .dev = { + .release = mxc_nop_release, + .platform_data = &keypad_plat_data, + }, +}; + +static void mxc_init_keypad(void) +{ + (void)platform_device_register(&mxc_keypad_device); +} +#else +static inline void mxc_init_keypad(void) +{ +} +#endif + +/* MTD NAND flash */ +#if defined(CONFIG_MTD_NAND_MXC) || defined(CONFIG_MTD_NAND_MXC_MODULE) \ + || defined(CONFIG_MTD_NAND_MXC_V2) || defined(CONFIG_MTD_NAND_MXC_V2_MODULE) + +static struct mtd_partition mxc_nand_partitions[] = { + { + .name = "nand.bootloader", + .offset = 0, + .size = 1024 * 1024}, + { + .name = "nand.kernel", + .offset = MTDPART_OFS_APPEND, + .size = 5 * 1024 * 1024}, + { + .name = "nand.rootfs", + .offset = MTDPART_OFS_APPEND, + .size = 180 * 1024 * 1024}, + { + .name = "nand.configure", + .offset = MTDPART_OFS_APPEND, + .size = 8 * 1024 * 1024}, + { + .name = "nand.userfs", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL}, +}; + +static struct flash_platform_data mxc_nand_data = { + .parts = mxc_nand_partitions, + .nr_parts = ARRAY_SIZE(mxc_nand_partitions), + .width = 1, +}; + +static struct platform_device mxc_nand_mtd_device = { + .name = "mxc_nand_flash", + .id = 0, + .dev = { + .release = mxc_nop_release, + .platform_data = &mxc_nand_data, + }, +}; + +static struct resource mxc_nand_resources[] = { + { + .flags = IORESOURCE_MEM, + .name = "NFC_AXI_BASE", + .start = NFC_BASE_ADDR, + .end = NFC_BASE_ADDR + SZ_4K - 1, + }, + { + .flags = IORESOURCE_IRQ, + .start = MXC_INT_NANDFC, + .end = MXC_INT_NANDFC, + }, +}; + +static struct platform_device mxc_nandv2_mtd_device = { + .name = "mxc_nandv2_flash", + .id = 0, + .dev = { + .release = mxc_nop_release, + .platform_data = &mxc_nand_data, + }, + .resource = mxc_nand_resources, + .num_resources = ARRAY_SIZE(mxc_nand_resources), +}; + +static void mxc_init_nand_mtd(void) +{ + if (__raw_readl(MXC_CCM_RCSR) & MXC_CCM_RCSR_NF16B) { + mxc_nand_data.width = 2; + } + if (cpu_is_mx31()) { + (void)platform_device_register(&mxc_nand_mtd_device); + } + if (cpu_is_mx32()) { + (void)platform_device_register(&mxc_nandv2_mtd_device); + } +} +#else +static inline void mxc_init_nand_mtd(void) +{ +} +#endif + +static void lcd_reset(void) +{ + /* ensure that LCDIO(1.8V) has been turn on */ + /* active reset line GPIO */ + mxc_request_iomux(MX31_PIN_LCS1, OUTPUTCONFIG_GPIO, INPUTCONFIG_NONE); + gpio_request(IOMUX_TO_GPIO(MX31_PIN_LCS1), "lcs1"); + gpio_set_value(IOMUX_TO_GPIO(MX31_PIN_LCS1), 0); + gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_LCS1), 0); + /* do reset */ + msleep(10); /* tRES >= 100us */ + gpio_set_value(IOMUX_TO_GPIO(MX31_PIN_LCS1), 1); + msleep(60); +#ifdef CONFIG_FB_MXC_CLAA_WVGA_SYNC_PANEL + gpio_set_value(IOMUX_TO_GPIO(MX31_PIN_LCS1), 0); +#endif +} + +static struct mxc_lcd_platform_data lcd_data = { + .io_reg = "VGEN", +#ifdef CONFIG_FB_MXC_CLAA_WVGA_SYNC_PANEL + .core_reg = "GPO1", +#else + .core_reg = "VMMC1", +#endif + .reset = lcd_reset, +}; + +static struct mxc_camera_platform_data camera_data = { + .core_regulator = "VVIB", + .io_regulator = "VMMC1", + .analog_regulator = "SW2B", + .gpo_regulator = "GPO3", + .mclk = 27000000, +}; + +struct mxc_tvout_platform_data tvout_data = { + .io_reg = "VGEN", + .core_reg = "GPO3", + .analog_reg = "GPO1", + .detect_line = 49, +}; + +void si4702_reset(void) +{ + gpio_set_value(IOMUX_TO_GPIO(MX31_PIN_SRST0), 0); + msleep(100); + gpio_set_value(IOMUX_TO_GPIO(MX31_PIN_SRST0), 1); + msleep(100); +} + +void si4702_clock_ctl(int flag) +{ + gpio_set_value(IOMUX_TO_GPIO(MX31_PIN_SIMPD0), flag); +} + +static void si4702_gpio_get(void) +{ + /* reset pin */ + mxc_request_iomux(MX31_PIN_SRST0, OUTPUTCONFIG_GPIO, INPUTCONFIG_NONE); + gpio_request(IOMUX_TO_GPIO(MX31_PIN_SRST0), "srst0"); + gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_SRST0), 0); + + mxc_request_iomux(MX31_PIN_SIMPD0, OUTPUTCONFIG_GPIO, INPUTCONFIG_NONE); + gpio_request(IOMUX_TO_GPIO(MX31_PIN_SIMPD0), "simpd0"); + gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_SIMPD0), 0); +} + +static void si4702_gpio_put(void) +{ + mxc_free_iomux(MX31_PIN_SRST0, OUTPUTCONFIG_GPIO, INPUTCONFIG_NONE); + mxc_free_iomux(MX31_PIN_SIMPD0, OUTPUTCONFIG_GPIO, INPUTCONFIG_NONE); +} + +static struct mxc_fm_platform_data si4702_data = { + .reg_vio = "GPO3", + .reg_vdd = "VMMC1", + .gpio_get = si4702_gpio_get, + .gpio_put = si4702_gpio_put, + .reset = si4702_reset, + .clock_ctl = si4702_clock_ctl, + .sksnr = 0, + .skcnt = 0, + .band = 0, + .space = 100, + .seekth = 0xa, +}; + +/* setup GPIO for mma7450 */ +static void gpio_mma7450_get(void) +{ + mxc_request_iomux(MX31_PIN_STX0, OUTPUTCONFIG_GPIO, INPUTCONFIG_GPIO); + mxc_iomux_set_pad(MX31_PIN_STX0, PAD_CTL_PKE_NONE); + gpio_request(IOMUX_TO_GPIO(MX31_PIN_STX0), "stx0"); + gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_STX0)); + + mxc_request_iomux(MX31_PIN_SRX0, OUTPUTCONFIG_GPIO, INPUTCONFIG_GPIO); + mxc_iomux_set_pad(MX31_PIN_SRX0, PAD_CTL_PKE_NONE); + gpio_request(IOMUX_TO_GPIO(MX31_PIN_SRX0), "srx0"); + gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_SRX0)); +} + +static void gpio_mma7450_put(void) +{ + mxc_free_iomux(MX31_PIN_STX0, OUTPUTCONFIG_GPIO, INPUTCONFIG_GPIO); + mxc_free_iomux(MX31_PIN_SRX0, OUTPUTCONFIG_GPIO, INPUTCONFIG_GPIO); +} + +static struct mxc_mma7450_platform_data mma7450_data = { + .reg_dvdd_io = "GPO3", + .reg_avdd = "VMMC1", + .gpio_pin_get = gpio_mma7450_get, + .gpio_pin_put = gpio_mma7450_put, + .int1 = IOMUX_TO_IRQ(MX31_PIN_STX0), + .int2 = IOMUX_TO_IRQ(MX31_PIN_SRX0), +}; + +static struct i2c_board_info mxc_i2c_board_info[] __initdata = { + { + .type = "ov2640", + .addr = 0x30, + .platform_data = (void *)&camera_data,}, + { + .type = "ch7024", + .addr = 0x76, + .platform_data = (void *)&tvout_data, + .irq = IOMUX_TO_IRQ(MX31_PIN_BATT_LINE),}, + { + .type = "si4702", + .addr = 0x10, + .platform_data = (void *)&si4702_data, + }, + { + .type = "mma7450", + .addr = 0x1d, + .platform_data = (void *)&mma7450_data, + }, +}; + +static struct spi_board_info mxc_spi_board_info[] __initdata = { + { + .modalias = "pmic_spi", + .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3), + .max_speed_hz = 4000000, + .bus_num = 2, + .chip_select = 2, + }, + { + .modalias = "lcd_spi", + .platform_data = (void *)&lcd_data, + .max_speed_hz = 5000000, + .bus_num = 1, + .chip_select = 2, + }, +}; + +/*lan9217 device*/ +#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE) +static struct resource smsc911x_resources[] = { + { + .start = LAN9217_BASE_ADDR, + .end = LAN9217_BASE_ADDR + 0x100, + .flags = IORESOURCE_MEM, + }, + { + .start = LAN9217_IRQ, + .end = LAN9217_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +struct smsc911x_platform_config smsc911x_config = { + .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, + .flags = SMSC911X_USE_32BIT | SMSC911X_FORCE_INTERNAL_PHY, +}; + +static struct platform_device smsc_lan9217_device = { + .name = "smsc911x", + .id = 0, + .dev = { + .release = mxc_nop_release, + .platform_data = &smsc911x_config, + }, + .num_resources = ARRAY_SIZE(smsc911x_resources), + .resource = smsc911x_resources, +}; +static void mxc_init_enet(void) +{ + (void)platform_device_register(&smsc_lan9217_device); +} +#else +static inline void mxc_init_enet(void) +{ +} +#endif + +#if defined(CONFIG_FB_MXC_SYNC_PANEL) || defined(CONFIG_FB_MXC_SYNC_PANEL_MODULE) +static const char fb_default_mode[] = "Epson-VGA"; + +/* mxc lcd driver */ +static struct platform_device mxc_fb_device = { + .name = "mxc_sdc_fb", + .id = 0, + .dev = { + .release = mxc_nop_release, + .platform_data = &fb_default_mode, + .coherent_dma_mask = 0xFFFFFFFF, + }, +}; + +static struct platform_device mxc_fb_wvga_device = { + .name = "lcd_claa", + .id = 0, + .dev = { + .release = mxc_nop_release, + .platform_data = &lcd_data, + }, +}; + +static void mxc_init_fb(void) +{ + (void)platform_device_register(&mxc_fb_device); + (void)platform_device_register(&mxc_fb_wvga_device); +} +#else +static inline void mxc_init_fb(void) +{ +} +#endif + +#if defined(CONFIG_BACKLIGHT_MXC) +static struct platform_device mxcbl_devices[] = { +#if defined(CONFIG_BACKLIGHT_MXC_IPU) || defined(CONFIG_BACKLIGHT_MXC_IPU_MODULE) + { + .name = "mxc_ipu_bl", + .id = 0, + .dev = { + .platform_data = (void *)3, /* DISP # for this backlight */ + }, + }, +#endif +}; +static inline void mxc_init_bl(void) +{ + int i; + for (i = 0; i < ARRAY_SIZE(mxcbl_devices); i++) { + platform_device_register(&mxcbl_devices[i]); + } +} +#else +static inline void mxc_init_bl(void) +{ +} +#endif + +#if defined(CONFIG_FB_MXC_TVOUT_CH7024) || \ + defined(CONFIG_FB_MXC_TVOUT_CH7024_MODULE) +static int mxc_init_ch7024(void) +{ + /* request gpio for phone jack detect */ + mxc_request_iomux(MX31_PIN_BATT_LINE, OUTPUTCONFIG_GPIO, + INPUTCONFIG_GPIO); + mxc_iomux_set_pad(MX31_PIN_BATT_LINE, PAD_CTL_PKE_NONE); + gpio_request(IOMUX_TO_GPIO(MX31_PIN_BATT_LINE), "batt_line"); + gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_BATT_LINE)); + + return 0; +} +#else +static inline int mxc_init_ch7024(void) +{ + return 0; +} +#endif + +static u32 brd_io; + +static void mxc_expio_irq_handler(u32 irq, struct irq_desc *desc) +{ + u32 imr_val; + u32 int_valid; + u32 expio_irq; + + desc->chip->mask(irq); /* irq = gpio irq number */ + + imr_val = __raw_readw(brd_io + INTR_MASK_REG); + int_valid = __raw_readw(brd_io + INTR_STATUS_REG) & ~imr_val; + + if (unlikely(!int_valid)) { + goto out; + } + + expio_irq = MXC_BOARD_IRQ_START; + for (; int_valid != 0; int_valid >>= 1, expio_irq++) { + struct irq_desc *d; + if ((int_valid & 1) == 0) + continue; + d = irq_desc + expio_irq; + if (unlikely(!(d->handle_irq))) { + printk(KERN_ERR "\nEXPIO irq: %d unhandled\n", + expio_irq); + BUG(); /* oops */ + } + d->handle_irq(expio_irq, d); + } + + out: + desc->chip->ack(irq); + desc->chip->unmask(irq); +} + +/* + * Disable an expio pin's interrupt by setting the bit in the imr. + * @param irq an expio virtual irq number + */ +static void expio_mask_irq(u32 irq) +{ + u16 reg; + u32 expio = MXC_IRQ_TO_EXPIO(irq); + /* mask the interrupt */ + reg = __raw_readw(brd_io + INTR_MASK_REG); + reg |= (1 << expio); + __raw_writew(reg, brd_io + INTR_MASK_REG); +} + +/* + * Acknowledge an expanded io pin's interrupt by clearing the bit in the isr. + * @param irq an expanded io virtual irq number + */ +static void expio_ack_irq(u32 irq) +{ + u32 expio = MXC_IRQ_TO_EXPIO(irq); + /* clear the interrupt status */ + __raw_writew(1 << expio, brd_io + INTR_RESET_REG); + __raw_writew(0, brd_io + INTR_RESET_REG); + /* mask the interrupt */ + expio_mask_irq(irq); +} + +/* + * Enable a expio pin's interrupt by clearing the bit in the imr. + * @param irq a expio virtual irq number + */ +static void expio_unmask_irq(u32 irq) +{ + u16 reg; + u32 expio = MXC_IRQ_TO_EXPIO(irq); + /* unmask the interrupt */ + reg = __raw_readw(brd_io + INTR_MASK_REG); + reg &= ~(1 << expio); + __raw_writew(reg, brd_io + INTR_MASK_REG); +} + +static struct irq_chip expio_irq_chip = { + .ack = expio_ack_irq, + .mask = expio_mask_irq, + .unmask = expio_unmask_irq, +}; + +static int __init mxc_expio_init(void) +{ + int i; + + brd_io = (u32) ioremap(BOARD_IO_ADDR, SZ_4K); + if (brd_io == 0) + return -ENOMEM; + + if ((__raw_readw(brd_io + MAGIC_NUMBER1_REG) != 0xAAAA) || + (__raw_readw(brd_io + MAGIC_NUMBER2_REG) != 0x5555) || + (__raw_readw(brd_io + MAGIC_NUMBER3_REG) != 0xCAFE)) { + iounmap((void *)brd_io); + brd_io = 0; + return -ENODEV; + } + + pr_info("3-Stack Debug board detected, rev = 0x%04X\n", + readw(brd_io + CPLD_CODE_VER_REG)); + + /* + * Configure INT line as GPIO input + */ + mxc_request_iomux(MX31_PIN_GPIO1_1, OUTPUTCONFIG_GPIO, + INPUTCONFIG_GPIO); + gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1), "gpio1_1"); + gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_1)); + + /* disable the interrupt and clear the status */ + __raw_writew(0, brd_io + INTR_MASK_REG); + __raw_writew(0xFFFF, brd_io + INTR_RESET_REG); + __raw_writew(0, brd_io + INTR_RESET_REG); + __raw_writew(0x1F, brd_io + INTR_MASK_REG); + for (i = MXC_BOARD_IRQ_START; i < (MXC_BOARD_IRQ_START + MXC_BOARD_IRQS); i++) { + set_irq_chip(i, &expio_irq_chip); + set_irq_handler(i, handle_level_irq); + set_irq_flags(i, IRQF_VALID); + } + set_irq_type(EXPIO_PARENT_INT, IRQF_TRIGGER_LOW); + set_irq_chained_handler(EXPIO_PARENT_INT, mxc_expio_irq_handler); + + return 0; +} + +#if (defined(CONFIG_MXC_PMIC_MC13783) || \ + defined(CONFIG_MXC_PMIC_MC13783_MODULE)) \ + && (defined(CONFIG_SND_MXC_PMIC) || defined(CONFIG_SND_MXC_PMIC_MODULE)) +static void __init mxc_init_pmic_audio(void) +{ + struct clk *ckih_clk; + struct clk *cko_clk; + + /* Enable 26 mhz clock on CKO1 for PMIC audio */ + ckih_clk = clk_get(NULL, "ckih"); + cko_clk = clk_get(NULL, "cko1_clk"); + if (IS_ERR(ckih_clk) || IS_ERR(cko_clk)) { + printk(KERN_ERR "Unable to set CKO1 output to CKIH\n"); + } else { + clk_set_parent(cko_clk, ckih_clk); + clk_set_rate(cko_clk, clk_get_rate(ckih_clk)); + clk_enable(cko_clk); + } + clk_put(ckih_clk); + clk_put(cko_clk); + + /* config Audio ports (4 & 5) */ + mxc_request_iomux(MX31_PIN_SCK4, OUTPUTCONFIG_FUNC, INPUTCONFIG_FUNC); + mxc_request_iomux(MX31_PIN_SRXD4, OUTPUTCONFIG_FUNC, INPUTCONFIG_FUNC); + mxc_request_iomux(MX31_PIN_STXD4, OUTPUTCONFIG_FUNC, INPUTCONFIG_FUNC); + mxc_request_iomux(MX31_PIN_SFS4, OUTPUTCONFIG_FUNC, INPUTCONFIG_FUNC); + mxc_request_iomux(MX31_PIN_SCK5, OUTPUTCONFIG_FUNC, INPUTCONFIG_FUNC); + mxc_request_iomux(MX31_PIN_SRXD5, OUTPUTCONFIG_FUNC, INPUTCONFIG_FUNC); + mxc_request_iomux(MX31_PIN_STXD5, OUTPUTCONFIG_FUNC, INPUTCONFIG_FUNC); + mxc_request_iomux(MX31_PIN_SFS5, OUTPUTCONFIG_FUNC, INPUTCONFIG_FUNC); +} +#else +static void __inline mxc_init_pmic_audio(void) +{ +} +#endif + +/* MMC device data */ + +#if defined(CONFIG_MMC_MXC) || defined(CONFIG_MMC_MXC_MODULE) +static struct mxc_mmc_platform_data mmc1_data = { + .ocr_mask = MMC_VDD_32_33, + .min_clk = 150000, + .max_clk = 25000000, + .card_inserted_state = 0, + .status = sdhc_get_card_det_status, + .wp_status = sdhc_write_protect, + .power_mmc = "GPO1", +}; + +/*! + * Resource definition for the SDHC1 + */ +static struct resource mxcsdhc1_resources[] = { + [0] = { + .start = MMC_SDHC1_BASE_ADDR, + .end = MMC_SDHC1_BASE_ADDR + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = MXC_INT_MMC_SDHC1, + .end = MXC_INT_MMC_SDHC1, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = 0, + .end = 0, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct mxc_mmc_platform_data mmc2_data = { + .ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29 | MMC_VDD_29_30 | + MMC_VDD_31_32, + .min_clk = 150000, + .max_clk = 25000000, + .card_fixed = 1, + .card_inserted_state = 0, + .status = sdhc_get_card_det_status, + .power_mmc = "VMMC2", +}; + +/*! + * Resource definition for the SDHC1 + */ +static struct resource mxcsdhc2_resources[] = { + [0] = { + .start = MMC_SDHC2_BASE_ADDR, + .end = MMC_SDHC2_BASE_ADDR + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = MXC_INT_MMC_SDHC2, + .end = MXC_INT_MMC_SDHC2, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = 0, + .end = 0, + .flags = IORESOURCE_IRQ, + }, +}; + +/*! Device Definition for MXC SDHC1 */ +static struct platform_device mxcsdhc1_device = { + .name = "mxcmci", + .id = 0, + .dev = { + .release = mxc_nop_release, + .platform_data = &mmc1_data, + }, + .num_resources = ARRAY_SIZE(mxcsdhc1_resources), + .resource = mxcsdhc1_resources, +}; + +/*! Device Definition for MXC SDHC2 */ +static struct platform_device mxcsdhc2_device = { + .name = "mxcmci", + .id = 1, + .dev = { + .release = mxc_nop_release, + .platform_data = &mmc2_data, + }, + .num_resources = ARRAY_SIZE(mxcsdhc2_resources), + .resource = mxcsdhc2_resources, +}; + +static inline void mxc_init_mmc(void) +{ + int cd_irq; + + cd_irq = sdhc_init_card_det(0); + if (cd_irq) { + mxcsdhc1_device.resource[2].start = cd_irq; + mxcsdhc1_device.resource[2].end = cd_irq; + } + + cd_irq = sdhc_init_card_det(1); + if (cd_irq) { + mxcsdhc2_device.resource[2].start = cd_irq; + mxcsdhc2_device.resource[2].end = cd_irq; + } + + (void)platform_device_register(&mxcsdhc1_device); + (void)platform_device_register(&mxcsdhc2_device); +} +#else +static inline void mxc_init_mmc(void) +{ +} +#endif + +/*! + * Board specific fixup function. It is called by \b setup_arch() in + * setup.c file very early on during kernel starts. It allows the user to + * statically fill in the proper values for the passed-in parameters. None of + * the parameters is used currently. + * + * @param desc pointer to \b struct \b machine_desc + * @param tags pointer to \b struct \b tag + * @param cmdline pointer to the command line + * @param mi pointer to \b struct \b meminfo + */ +static void __init fixup_mxc_board(struct machine_desc *desc, struct tag *tags, + char **cmdline, struct meminfo *mi) +{ + mxc_cpu_init(); + +#ifdef CONFIG_DISCONTIGMEM + do { + int nid; + mi->nr_banks = MXC_NUMNODES; + for (nid = 0; nid < mi->nr_banks; nid++) { + SET_NODE(mi, nid); + } + } while (0); +#endif +} + +/* IDE device data */ +#if defined(CONFIG_BLK_DEV_IDE_MXC) || defined(CONFIG_BLK_DEV_IDE_MXC_MODULE) + +/*! Platform Data for MXC IDE */ +static struct mxc_ide_platform_data mxc_ide_data = { + .power_drive = "GPO2", + .power_io = "GPO3", +}; + +static struct platform_device mxc_ide_device = { + .name = "mxc_ide", + .id = 0, + .dev = { + .release = mxc_nop_release, + .platform_data = &mxc_ide_data, + }, +}; + +static inline void mxc_init_ide(void) +{ + if (platform_device_register(&mxc_ide_device) < 0) + printk(KERN_ERR "Error: Registering the ide.\n"); +} +#else +static inline void mxc_init_ide(void) +{ +} +#endif + +#if defined(CONFIG_PATA_FSL) || defined(CONFIG_PATA_FSL_MODULE) +extern void gpio_ata_active(void); +extern void gpio_ata_inactive(void); + +static int ata_init(struct platform_device *pdev) +{ + /* Configure the pins */ + gpio_ata_active(); + + return 0; +} + +static void ata_exit(void) +{ + /* Free the pins */ + gpio_ata_inactive(); +} + +static struct fsl_ata_platform_data ata_data = { + .udma_mask = ATA_UDMA3, /* board can handle up to UDMA3 */ + .mwdma_mask = ATA_MWDMA2, + .pio_mask = ATA_PIO4, + .fifo_alarm = MXC_IDE_DMA_WATERMARK / 2, + .max_sg = MXC_IDE_DMA_BD_NR, + .init = ata_init, + .exit = ata_exit, + .core_reg = "GPO2", /*"LDO2", */ + .io_reg = "GPO3", /*"LDO3", */ +}; + +static struct resource pata_fsl_resources[] = { + { + .start = ATA_BASE_ADDR, + .end = ATA_BASE_ADDR + 0x000000D8, + .flags = IORESOURCE_MEM, + }, + { + .start = MXC_INT_ATA, + .end = MXC_INT_ATA, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device pata_fsl_device = { + .name = "pata_fsl", + .id = -1, + .num_resources = ARRAY_SIZE(pata_fsl_resources), + .resource = pata_fsl_resources, + .dev = { + .platform_data = &ata_data, + .coherent_dma_mask = ~0, + }, +}; + +static void __init mxc_init_pata(void) +{ + (void)platform_device_register(&pata_fsl_device); +} +#else /* CONFIG_PATA_FSL */ +static void __init mxc_init_pata(void) +{ +} +#endif /* CONFIG_PATA_FSL */ + +static void bt_reset(void) +{ + gpio_set_value(IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1), 1); +} + +static struct mxc_bt_platform_data mxc_bt_data = { + .bt_vdd = "VMMC2", + .bt_vdd_parent = "GPO1", + .bt_vusb = NULL, + .bt_vusb_parent = "GPO3", + .bt_reset = bt_reset, +}; + +static struct platform_device mxc_bt_device = { + .name = "mxc_bt", + .id = 0, + .dev = { + .release = mxc_nop_release, + .platform_data = &mxc_bt_data, + }, +}; + +static void mxc_init_bluetooth(void) +{ + (void)platform_device_register(&mxc_bt_device); +} + +static void mxc_unifi_hardreset(int pin_level) +{ + gpio_set_value(IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1), pin_level & 0x01); +} + +static struct mxc_unifi_platform_data unifi_data = { + .hardreset = mxc_unifi_hardreset, + + /* GPO3 -> enables SW2B 1.8V out - this becomes 1V8 on personality + * board, then 1V8_EXT, then BT_VUSB + */ + .reg_gpo1 = "GPO3", + + /* GPO4 -> WiFi_PWEN, but this signal is not used on current boards */ + .reg_gpo2 = "GPO4", + + .reg_1v5_ana_bb = "VRF1", /* VRF1 -> WL_1V5ANA and WL_1V5BB */ + .reg_vdd_vpa = "VMMC2", /* VMMC2 -> WL_VDD and WL_VPA */ + .reg_1v5_dd = "VRF2", /* VRF2 -> WL_1V5DD */ + + .host_id = 1, +}; + +struct mxc_unifi_platform_data *get_unifi_plat_data(void) +{ + return &unifi_data; +} + +EXPORT_SYMBOL(get_unifi_plat_data); + +#if defined(CONFIG_GPS_IOCTRL) || defined(CONFIG_GPS_IOCTRL_MODULE) +static struct mxc_gps_platform_data gps_data = { + .core_reg = "GPO3", + .analog_reg = "GPO1", +}; + +static struct platform_device mxc_gps_device = { + .name = "gps_ioctrl", + .id = -1, + .dev = { + .platform_data = &gps_data, + }, +}; + +static void __init mxc_init_gps(void) +{ + (void)platform_device_register(&mxc_gps_device); +} +#else +static void __init mxc_init_gps(void) +{ +} +#endif + +static void __init mx3_3stack_timer_init(void) +{ + struct clk *uart_clk; + + mx31_clocks_init(26000000); + uart_clk = clk_get(NULL, "uart_clk.0"); + early_console_setup(UART1_BASE_ADDR, uart_clk); +} + +static struct sys_timer mxc_timer = { + .init = mx3_3stack_timer_init, +}; + +/*! + * Board specific initialization. + */ +static void __init mxc_board_init(void) +{ + /* config CS5 for debug board */ + mxc_request_iomux(MX31_PIN_CS5, OUTPUTCONFIG_FUNC, INPUTCONFIG_FUNC); + + mxc_cpu_common_init(); + mxc_register_gpios(); + mxc_init_devices(); + + /*Pull down MX31_PIN_USB_BYP to reset USB3317 */ + mxc_request_iomux(MX31_PIN_USB_BYP, OUTPUTCONFIG_GPIO, + INPUTCONFIG_NONE); + gpio_request(IOMUX_TO_GPIO(MX31_PIN_USB_BYP), "usb_byp"); + gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_USB_BYP), 0); + gpio_set_value(IOMUX_TO_GPIO(MX31_PIN_USB_BYP), 0); + mxc_free_iomux(MX31_PIN_USB_BYP, OUTPUTCONFIG_GPIO, INPUTCONFIG_NONE); + + /* Reset BT/WiFi chip */ + mxc_request_iomux(MX31_PIN_DCD_DCE1, OUTPUTCONFIG_GPIO, + INPUTCONFIG_NONE); + gpio_request(IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1), "dcd_dce1"); + gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1), 0); + gpio_set_value(IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1), 0); + + mxc_init_pmic_audio(); + mxc_expio_init(); + mxc_init_keypad(); + mxc_init_enet(); + mxc_init_nand_mtd(); + mxc_init_ch7024(); + mx3_3stack_init_mc13783(); + + i2c_register_board_info(0, mxc_i2c_board_info, + ARRAY_SIZE(mxc_i2c_board_info)); + spi_register_board_info(mxc_spi_board_info, + ARRAY_SIZE(mxc_spi_board_info)); + + mxc_init_fb(); + mxc_init_bl(); + mxc_init_mmc(); + mxc_init_ide(); + mxc_init_pata(); + mxc_init_bluetooth(); + mxc_init_gps(); +} + +#define PLL_PCTL_REG(pd, mfd, mfi, mfn) \ + ((((pd) - 1) << 26) + (((mfd) - 1) << 16) + ((mfi) << 10) + mfn) + +/* For 26MHz input clock */ +#define PLL_532MHZ PLL_PCTL_REG(1, 13, 10, 3) +#define PLL_399MHZ PLL_PCTL_REG(1, 52, 7, 35) +#define PLL_133MHZ PLL_PCTL_REG(2, 26, 5, 3) + +#define PDR0_REG(mcu, max, hsp, ipg, nfc) \ + (MXC_CCM_PDR0_MCU_DIV_##mcu | MXC_CCM_PDR0_MAX_DIV_##max | \ + MXC_CCM_PDR0_HSP_DIV_##hsp | MXC_CCM_PDR0_IPG_DIV_##ipg | \ + MXC_CCM_PDR0_NFC_DIV_##nfc) + +/* working point(wp): 0 - 133MHz; 1 - 266MHz; 2 - 399MHz; 3 - 532MHz */ +/* 26MHz input clock table */ +static struct cpu_wp cpu_wp_26[] = { + { + .pll_reg = PLL_532MHZ, + .pll_rate = 532000000, + .cpu_rate = 133000000, + .pdr0_reg = PDR0_REG(4, 4, 4, 2, 6),}, + { + .pll_reg = PLL_532MHZ, + .pll_rate = 532000000, + .cpu_rate = 266000000, + .pdr0_reg = PDR0_REG(2, 4, 4, 2, 6),}, + { + .pll_reg = PLL_399MHZ, + .pll_rate = 399000000, + .cpu_rate = 399000000, + .pdr0_reg = PDR0_REG(1, 3, 3, 2, 6),}, + { + .pll_reg = PLL_532MHZ, + .pll_rate = 532000000, + .cpu_rate = 532000000, + .pdr0_reg = PDR0_REG(1, 4, 4, 2, 6),}, +}; + +struct cpu_wp *get_cpu_wp(int *wp) +{ + *wp = 4; + return cpu_wp_26; +} + +/* + * The following uses standard kernel macros define in arch.h in order to + * initialize __mach_desc_MX3_3STACK data structure. + */ +/* *INDENT-OFF* */ +MACHINE_START(MX31_3DS, "Freescale MX31/MX32 3-Stack Board") + /* Maintainer: Freescale Semiconductor, Inc. */ + .phys_io = AIPS1_BASE_ADDR, + .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, + .boot_params = PHYS_OFFSET + 0x100, + .fixup = fixup_mxc_board, + .map_io = mx31_map_io, + .init_irq = mxc_init_irq, + .init_machine = mxc_board_init, + .timer = &mxc_timer, +MACHINE_END |