diff options
Diffstat (limited to 'arch/arm/mach-mx3/mx31ads.c')
| -rw-r--r-- | arch/arm/mach-mx3/mx31ads.c | 955 |
1 files changed, 933 insertions, 22 deletions
diff --git a/arch/arm/mach-mx3/mx31ads.c b/arch/arm/mach-mx3/mx31ads.c index 30e2767a78ae..b5d63339b498 100644 --- a/arch/arm/mach-mx3/mx31ads.c +++ b/arch/arm/mach-mx3/mx31ads.c @@ -1,7 +1,7 @@ /* * Copyright (C) 2000 Deep Blue Solutions Ltd * Copyright (C) 2002 Shane Nay (shane@minirl.com) - * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. + * 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 @@ -23,19 +23,30 @@ #include <linux/clk.h> #include <linux/serial_8250.h> #include <linux/gpio.h> +#include <linux/input.h> +#include <linux/nodemask.h> +#include <linux/platform_device.h> +#include <linux/fsl_devices.h> +#include <linux/spi/spi.h> #include <linux/i2c.h> #include <linux/irq.h> +#include <linux/ata.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 <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> +#include <asm/mach/keypad.h> #include <asm/mach/time.h> #include <asm/memory.h> #include <asm/mach/map.h> #include <mach/common.h> -#include <mach/board-mx31ads.h> -#include <mach/imx-uart.h> -#include <mach/iomux-mx3.h> #ifdef CONFIG_MACH_MX31ADS_WM1133_EV1 #include <linux/mfd/wm8350/audio.h> @@ -43,8 +54,12 @@ #include <linux/mfd/wm8350/pmic.h> #endif -#include "devices.h" +#include <mach/memory.h> +#include <mach/mmc.h> +#include "board-mx31ads.h" +#include "crm_regs.h" +#include "iomux.h" /*! * @file mx31ads.c * @@ -53,6 +68,95 @@ * @ingroup System */ +extern void mx31ads_gpio_init(void) __init; + +static void mxc_nop_release(struct device *dev) +{ + /* Nothing */ +} + +#if defined(CONFIG_CS89x0) || defined(CONFIG_CS89x0_MODULE) +/*! Null terminated portlist used to probe for the CS8900A device on ISA Bus + * Add 3 to reset the page window before probing (fixes eth probe when deployed + * using nand_boot) + */ +unsigned int netcard_portlist[] = { (u32)CS8900A_BASE_ADDRESS + 3, 0 }; + +EXPORT_SYMBOL(netcard_portlist); +/*! + * The CS8900A has 4 IRQ pins, which is software selectable, CS8900A interrupt + * pin 0 is used for interrupt generation. + */ +unsigned int cs8900_irq_map[] = { CS8900AIRQ, 0, 0, 0 }; + +EXPORT_SYMBOL(cs8900_irq_map); +#endif + +#if defined(CONFIG_KEYBOARD_MXC) || defined(CONFIG_KEYBOARD_MXC_MODULE) + +/* Keypad keycodes for the EVB 8x8 + * keypad. POWER and PTT keys don't generate + * any interrupts via this driver so they are + * not support. Change any keys as u like! + */ +static u16 keymapping[64] = { + KEY_SELECT, KEY_LEFT, KEY_DOWN, KEY_RIGHT, + KEY_UP, KEY_F12, KEY_END, KEY_BACK, + KEY_F1, KEY_SENDFILE, KEY_HOME, KEY_F6, + KEY_VOLUMEUP, KEY_F8, KEY_F9, KEY_F10, + KEY_3, KEY_2, KEY_1, KEY_4, + KEY_VOLUMEDOWN, KEY_7, KEY_5, KEY_6, + KEY_9, KEY_LEFTSHIFT, KEY_8, KEY_0, + KEY_KPASTERISK, KEY_RECORD, KEY_Q, KEY_W, + KEY_A, KEY_S, KEY_D, KEY_E, + KEY_F, KEY_R, KEY_T, KEY_Y, + KEY_TAB, KEY_F7, KEY_CAPSLOCK, KEY_Z, + KEY_X, KEY_C, KEY_V, KEY_G, + KEY_B, KEY_H, KEY_N, KEY_M, + KEY_J, KEY_K, KEY_U, KEY_I, + KEY_SPACE, KEY_F2, KEY_DOT, KEY_ENTER, + KEY_L, KEY_BACKSPACE, KEY_P, KEY_O, +}; + +static struct resource mxc_kpp_resources[] = { + [0] = { + .start = MXC_INT_KPP, + .end = MXC_INT_KPP, + .flags = IORESOURCE_IRQ, + } +}; + +static struct keypad_data evb_8_by_8_keypad = { + .rowmax = 8, + .colmax = 8, + .irq = MXC_INT_KPP, + .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 = &evb_8_by_8_keypad, + }, +}; + +static void mxc_init_keypad(void) +{ + (void)platform_device_register(&mxc_keypad_device); +} +#else +static inline void mxc_init_keypad(void) +{ +} +#endif + #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE) /*! * The serial port definition structure. @@ -96,29 +200,470 @@ static inline int mxc_init_extuart(void) return 0; } #endif +/* MTD NOR flash */ + +#if defined(CONFIG_MTD_MXC) || defined(CONFIG_MTD_MXC_MODULE) + +static struct mtd_partition mxc_nor_partitions[] = { + { + .name = "Bootloader", + .size = 512 * 1024, + .offset = 0x00000000, + .mask_flags = MTD_WRITEABLE /* force read-only */ + }, + { + .name = "nor.Kernel", + .size = 2 * 1024 * 1024, + .offset = MTDPART_OFS_APPEND, + .mask_flags = 0}, + { + .name = "nor.userfs", + .size = 14 * 1024 * 1024, + .offset = MTDPART_OFS_APPEND, + .mask_flags = 0}, + { + .name = "nor.rootfs", + .size = 12 * 1024 * 1024, + .offset = MTDPART_OFS_APPEND, + .mask_flags = MTD_WRITEABLE}, + { + .name = "FIS directory", + .size = 12 * 1024, + .offset = 0x01FE0000, + .mask_flags = MTD_WRITEABLE /* force read-only */ + }, + { + .name = "Redboot config", + .size = MTDPART_SIZ_FULL, + .offset = 0x01FFF000, + .mask_flags = MTD_WRITEABLE /* force read-only */ + }, +}; + +static struct flash_platform_data mxc_flash_data = { + .map_name = "cfi_probe", + .width = 2, + .parts = mxc_nor_partitions, + .nr_parts = ARRAY_SIZE(mxc_nor_partitions), +}; + +static struct resource mxc_flash_resource = { + .start = 0xa0000000, + .end = 0xa0000000 + 0x02000000 - 1, + .flags = IORESOURCE_MEM, + +}; + +static struct platform_device mxc_nor_mtd_device = { + .name = "mxc_nor_flash", + .id = 0, + .dev = { + .release = mxc_nop_release, + .platform_data = &mxc_flash_data, + }, + .num_resources = 1, + .resource = &mxc_flash_resource, +}; + +static void mxc_init_nor_mtd(void) +{ + (void)platform_device_register(&mxc_nor_mtd_device); +} +#else +static void mxc_init_nor_mtd(void) +{ +} +#endif + +/* NAND Flash Partitions */ +#ifdef CONFIG_MTD_PARTITIONS + +static struct mtd_partition nand_flash_partitions[4] = { + { + .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 = 22 * 1024 * 1024}, + { + .name = "nand.userfs", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL}, +}; + +#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 flash_platform_data mxc_nand_data = { + #ifdef CONFIG_MTD_PARTITIONS + .parts = nand_flash_partitions, + .nr_parts = ARRAY_SIZE(nand_flash_partitions), + #endif + .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 platform_device mxc_nandv2_mtd_device = { + .name = "mxc_nandv2_flash", + .id = 0, + .dev = { + .release = mxc_nop_release, + .platform_data = &mxc_nand_data, + }, +}; + +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 + +/* i.MX MTD NAND Flash Controller */ + +#if defined(CONFIG_MTD_NAND_IMX_NFC) || defined(CONFIG_MTD_NAND_IMX_NFC_MODULE) + +/* Resources for this device. */ + +static struct resource imx_nfc_resources[] = { + { + .flags = IORESOURCE_MEM, + .start = NFC_BASE_ADDR + 0x000, + .end = NFC_BASE_ADDR + 0x840 - 1, + .name = IMX_NFC_BUFFERS_ADDR_RES_NAME, + }, + { + .flags = IORESOURCE_MEM, + .start = NFC_BASE_ADDR + 0xE00, + .end = NFC_BASE_ADDR + 0xE20 - 1, + .name = IMX_NFC_PRIMARY_REGS_ADDR_RES_NAME, + }, + { + .flags = IORESOURCE_IRQ, + .start = MXC_INT_NANDFC, + .end = MXC_INT_NANDFC, + .name = IMX_NFC_INTERRUPT_RES_NAME, + }, +}; + +/** + * imx_nfc_set_page_size() - Tells the hardware the page size. + * + * @data_size_in_bytes: The page size in bytes (e.g., 512, 2048, etc.). This + * size refers specifically to the the data bytes in the + * page, *not* including out-of-band bytes. The return + * value is zero if the operation succeeded. Do not + * interpret a non-zero value as an error code - it only + * indicates failure. The driver will decide what error + * code to return to its caller. + */ +static int imx_nfc_set_page_size(unsigned int data_size_in_bytes) +{ + + unsigned long x = __raw_readl(MXC_CCM_RCSR); + + switch (data_size_in_bytes) { + + case 512: + x &= ~MXC_CCM_RCSR_NFMS; + break; + + case 2048: + x |= MXC_CCM_RCSR_NFMS; + break; + + default: + return !0; + break; + + } + + __raw_writel(x, MXC_CCM_RCSR); + + return 0; + +} + +/* + * Platform-specific information about this device. Some of the details depend + * on the SoC. See imx_init_nfc() below for code that fills in the rest. + */ + +static struct imx_nfc_platform_data imx_nfc_platform_data = { + .force_ce = false, + .target_cycle_in_ns = 50, + .clock_name = "nfc_clk", + .set_page_size = imx_nfc_set_page_size, + .interleave = false, + #ifdef CONFIG_MTD_PARTITIONS + .partitions = nand_flash_partitions, + .partition_count = ARRAY_SIZE(nand_flash_partitions), + #endif +}; + +/* The structure that represents the NFC device. */ + +static struct platform_device imx_nfc_device = { + .name = IMX_NFC_DRIVER_NAME, + .id = 0, + .dev = { + .release = mxc_nop_release, + .platform_data = &imx_nfc_platform_data, + }, + .resource = imx_nfc_resources, + .num_resources = ARRAY_SIZE(imx_nfc_resources), +}; + +/** + * imx_init_nfc() - Sets up the NFC for this platform. + * + * This function sets up data structures representing the NFC device on this + * platform and registers the device with the platform management system. + */ + +static void imx_nfc_init(void) +{ + + /* + * A field in the Reset Control and Source Register register tells us + * the bus width. + */ + + if (__raw_readl(MXC_CCM_RCSR) & MXC_CCM_RCSR_NF16B) + imx_nfc_platform_data.bus_width_in_bits = 16; + else + imx_nfc_platform_data.bus_width_in_bits = 8; + + /* + * Discover the type of SoC we're running on and, based on that, fill in + * some details about the NFC. + */ + + if (cpu_is_mx31()) { + imx_nfc_platform_data.major_version = 1; + imx_nfc_platform_data.minor_version = 0; + } else if (cpu_is_mx32()) { + imx_nfc_platform_data.major_version = 2; + imx_nfc_platform_data.minor_version = 0; + } else { + pr_err("imx_nfc: Can't identify the SoC\n"); + BUG(); + } + + /* Register the NFC device. */ + + (void)platform_device_register(&imx_nfc_device); + +} + +#else + +static inline void imx_nfc_init(void) +{ +} + +#endif /* i.MX MTD NAND Flash Controller */ + +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 = 0, + }, +}; + +#if defined(CONFIG_FB_MXC_SYNC_PANEL) || defined(CONFIG_FB_MXC_SYNC_PANEL_MODULE) +static const char fb_default_mode[] = "Sharp-QVGA"; + +/* 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 void mxc_init_fb(void) +{ + (void)platform_device_register(&mxc_fb_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_PMIC) || defined(CONFIG_BACKLIGHT_MXC_PMIC_MODULE) + { + .name = "mxc_pmic_bl", + .id = 0, + .dev = { + .platform_data = (void *)-1, /* DISP # for this backlight */ + }, + }, + { + .name = "mxc_pmic_bl", + .id = 1, + .dev = { + .platform_data = (void *)0, /* DISP # for this backlight */ + }, + }, +#endif +#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 + +/*! + * Data structures and data for mt9v111 camera. + */ +static struct mxc_camera_platform_data camera_mt9v111_data = { + .mclk = 27000000, +}; + +/*! + * Data structures and data for ov2640 camera. + */ +static struct mxc_camera_platform_data camera_ov2640_data = { + .core_regulator = NULL, + .io_regulator = NULL, + .analog_regulator = NULL, + .gpo_regulator = NULL, + .mclk = 24000000, +}; + +/*! + * Info to register i2c devices. + */ +static struct i2c_board_info mxc_i2c_info[] __initdata = { + { + .type = "mt9v111", + .addr = 0x48, + .platform_data = (void *)&camera_mt9v111_data, + }, + { + .type = "ov2640", + .addr = 0x30, + .platform_data = (void *)&camera_ov2640_data, + }, +}; + +#if defined(CONFIG_MXC_FIR) || defined(CONFIG_MXC_FIR_MODULE) +/*! + * Resource definition for the FIR + */ +static struct resource mxcir_resources[] = { + [0] = { + .start = UART2_BASE_ADDR, + .end = UART2_BASE_ADDR + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = MXC_INT_UART2, + .end = MXC_INT_UART2, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = FIRI_BASE_ADDR, + .end = FIRI_BASE_ADDR + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [3] = { + .start = MXC_INT_FIRI, + .end = MXC_INT_FIRI, + .flags = IORESOURCE_IRQ, + }, + [4] = { + .start = MXC_INT_UART2, + .end = MXC_INT_UART2, + .flags = IORESOURCE_IRQ, + } +}; -#if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE) -static struct imxuart_platform_data uart_pdata = { - .flags = IMXUART_HAVE_RTSCTS, +static struct mxc_ir_platform_data ir_data = { + .uart_ir_mux = 1, + .ir_rx_invert = MXC_IRDA_RX_INV, + .ir_tx_invert = MXC_IRDA_TX_INV, }; -static unsigned int uart_pins[] = { - MX31_PIN_CTS1__CTS1, - MX31_PIN_RTS1__RTS1, - MX31_PIN_TXD1__TXD1, - MX31_PIN_RXD1__RXD1 +/*! Device Definition for MXC FIR */ +static struct platform_device mxcir_device = { + .name = "mxcir", + .id = 0, + .dev = { + .release = mxc_nop_release, + .platform_data = &ir_data, + }, + .num_resources = ARRAY_SIZE(mxcir_resources), + .resource = mxcir_resources, }; -static inline void mxc_init_imx_uart(void) +static inline void mxc_init_ir(void) { - mxc_iomux_setup_multiple_pins(uart_pins, ARRAY_SIZE(uart_pins), "uart-0"); - mxc_register_device(&mxc_uart_device0, &uart_pdata); + ir_data.uart_clk = clk_get(NULL, "uart_clk.1");; + (void)platform_device_register(&mxcir_device); } -#else /* !SERIAL_IMX */ -static inline void mxc_init_imx_uart(void) +#else +static inline void mxc_init_ir(void) { } -#endif /* !SERIAL_IMX */ +#endif static void mx31ads_expio_irq_handler(u32 irq, struct irq_desc *desc) { @@ -187,7 +732,10 @@ static void __init mx31ads_init_expio(void) /* * Configure INT line as GPIO input */ - mxc_iomux_alloc_pin(IOMUX_MODE(MX31_PIN_GPIO1_4, IOMUX_CONFIG_GPIO), "expio"); + mxc_request_iomux(MX31_PIN_GPIO1_4, OUTPUTCONFIG_GPIO, + INPUTCONFIG_GPIO); + gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_4), NULL); + gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_4)); /* disable the interrupt and clear the status */ __raw_writew(0xFFFF, PBC_INTMASK_CLEAR_REG); @@ -462,6 +1010,119 @@ static struct wm8350_platform_data __initdata mx31_wm8350_pdata = { }; #endif +/* MMC device data */ + +#if defined(CONFIG_MMC_MXC) || defined(CONFIG_MMC_MXC_MODULE) +extern unsigned int sdhc_get_card_det_status(struct device *dev); +extern int sdhc_init_card_det(int id); + +static struct mxc_mmc_platform_data mmc1_data = { + .ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29 | MMC_VDD_29_30, + .min_clk = 150000, + .max_clk = 25000000, + .card_inserted_state = 1, + .status = sdhc_get_card_det_status, + .power_mmc = "VMMC1", +}; +static struct mxc_mmc_platform_data mmc2_data = { + .ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29 | MMC_VDD_29_30, + .min_clk = 150000, + .max_clk = 25000000, + .card_inserted_state = 1, + .status = sdhc_get_card_det_status, + .power_mmc = "VMMC2", +}; +/*! + * 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, + }, +}; + +/*! + * Resource definition for the SDHC2 + */ +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 + #if defined(CONFIG_I2C_IMX) || defined(CONFIG_I2C_IMX_MODULE) static struct i2c_board_info __initdata mx31ads_i2c1_devices[] = { #ifdef CONFIG_MACH_MX31ADS_WM1133_EV1 @@ -489,6 +1150,147 @@ static void mxc_init_i2c(void) } #endif +#if (defined(CONFIG_MXC_PMIC_MC13783) || \ + defined(CONFIG_MXC_PMIC_MC13783_MODULE)) \ + && (defined(CONFIG_SND_MXC_PMIC) || defined(CONFIG_SND_MXC_PMIC_MODULE)) +extern void gpio_activate_audio_ports(void); + +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); + + gpio_activate_audio_ports(); +} +#else +static void __inline mxc_init_pmic_audio(void) +{ +} +#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 = NULL, + .power_io = NULL, +}; + +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 = NULL, /*"LDO2", */ + .io_reg = NULL, /*"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 */ + +/*! + * 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(); +} + /*! * This structure defines static mappings for the i.MX31ADS board. */ @@ -526,20 +1328,128 @@ static void __init mx31ads_init_irq(void) */ static void __init mxc_board_init(void) { + mxc_cpu_common_init(); + mxc_init_devices(); + mxc_init_pmic_audio(); + mxc_register_gpios(); + mx31ads_gpio_init(); + mxc_init_keypad(); mxc_init_extuart(); - mxc_init_imx_uart(); mxc_init_i2c(); + mxc_init_nor_mtd(); + mxc_init_nand_mtd(); + imx_nfc_init(); + + i2c_register_board_info(0, mxc_i2c_info, ARRAY_SIZE(mxc_i2c_info)); + spi_register_board_info(mxc_spi_board_info, + ARRAY_SIZE(mxc_spi_board_info)); + + mxc_init_fb(); + mxc_init_bl(); + mxc_init_ir(); + mxc_init_mmc(); + mxc_init_ide(); + mxc_init_pata(); } static void __init mx31ads_timer_init(void) { - mx31_clocks_init(26000000); + struct clk *uart_clk; + unsigned long ckih = 26000000; + + if ((__raw_readw(PBC_BASE_ADDRESS + PBC_BSTAT) & + CKIH_27MHZ_BIT_SET) != 0) { + ckih = 27000000; + } + + mx31_clocks_init(ckih); + uart_clk = clk_get(NULL, "uart_clk.0"); + early_console_setup(UART1_BASE_ADDR, uart_clk); } static struct sys_timer mx31ads_timer = { .init = mx31ads_timer_init, }; + +#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) + +/* For 27MHz input clock */ +#define PLL_532_8MHZ PLL_PCTL_REG(1, 15, 9, 13) +#define PLL_399_6MHZ PLL_PCTL_REG(1, 18, 7, 7) +#define PLL_133_2MHZ PLL_PCTL_REG(3, 5, 7, 2) + +#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),}, +}; + +/* 27MHz input clock table */ +static struct cpu_wp cpu_wp_27[] = { + { + .pll_reg = PLL_532_8MHZ, + .pll_rate = 532800000, + .cpu_rate = 133200000, + .pdr0_reg = PDR0_REG(4, 4, 4, 2, 6),}, + { + .pll_reg = PLL_532_8MHZ, + .pll_rate = 532800000, + .cpu_rate = 266400000, + .pdr0_reg = PDR0_REG(2, 4, 4, 2, 6),}, + { + .pll_reg = PLL_399_6MHZ, + .pll_rate = 399600000, + .cpu_rate = 399600000, + .pdr0_reg = PDR0_REG(1, 3, 3, 2, 6),}, + { + .pll_reg = PLL_532_8MHZ, + .pll_rate = 532800000, + .cpu_rate = 532800000, + .pdr0_reg = PDR0_REG(1, 4, 4, 2, 6),}, +}; + +struct cpu_wp *get_cpu_wp(int *wp) +{ + *wp = 4; + if ((__raw_readw(PBC_BASE_ADDRESS + PBC_BSTAT) & + CKIH_27MHZ_BIT_SET) != 0) { + return cpu_wp_27; + } else { + return cpu_wp_26; + } +} + /* * The following uses standard kernel macros defined in arch.h in order to * initialize __mach_desc_MX31ADS data structure. @@ -549,6 +1459,7 @@ MACHINE_START(MX31ADS, "Freescale MX31ADS") .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 = mx31ads_map_io, .init_irq = mx31ads_init_irq, .init_machine = mxc_board_init, |