diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-davinci/board-da830-evm.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-davinci/board-da830-evm.c | 686 |
1 files changed, 0 insertions, 686 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-davinci/board-da830-evm.c b/ANDROID_3.4.5/arch/arm/mach-davinci/board-da830-evm.c deleted file mode 100644 index dc1afe5b..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-davinci/board-da830-evm.c +++ /dev/null @@ -1,686 +0,0 @@ -/* - * TI DA830/OMAP L137 EVM board - * - * Author: Mark A. Greer <mgreer@mvista.com> - * Derived from: arch/arm/mach-davinci/board-dm644x-evm.c - * - * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/console.h> -#include <linux/interrupt.h> -#include <linux/gpio.h> -#include <linux/platform_device.h> -#include <linux/i2c.h> -#include <linux/i2c/pcf857x.h> -#include <linux/i2c/at24.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> -#include <linux/spi/spi.h> -#include <linux/spi/flash.h> - -#include <asm/mach-types.h> -#include <asm/mach/arch.h> - -#include <mach/cp_intc.h> -#include <mach/mux.h> -#include <mach/nand.h> -#include <mach/da8xx.h> -#include <mach/usb.h> -#include <mach/aemif.h> -#include <mach/spi.h> - -#define DA830_EVM_PHY_ID "" -/* - * USB1 VBUS is controlled by GPIO1[15], over-current is reported on GPIO2[4]. - */ -#define ON_BD_USB_DRV GPIO_TO_PIN(1, 15) -#define ON_BD_USB_OVC GPIO_TO_PIN(2, 4) - -static const short da830_evm_usb11_pins[] = { - DA830_GPIO1_15, DA830_GPIO2_4, - -1 -}; - -static da8xx_ocic_handler_t da830_evm_usb_ocic_handler; - -static int da830_evm_usb_set_power(unsigned port, int on) -{ - gpio_set_value(ON_BD_USB_DRV, on); - return 0; -} - -static int da830_evm_usb_get_power(unsigned port) -{ - return gpio_get_value(ON_BD_USB_DRV); -} - -static int da830_evm_usb_get_oci(unsigned port) -{ - return !gpio_get_value(ON_BD_USB_OVC); -} - -static irqreturn_t da830_evm_usb_ocic_irq(int, void *); - -static int da830_evm_usb_ocic_notify(da8xx_ocic_handler_t handler) -{ - int irq = gpio_to_irq(ON_BD_USB_OVC); - int error = 0; - - if (handler != NULL) { - da830_evm_usb_ocic_handler = handler; - - error = request_irq(irq, da830_evm_usb_ocic_irq, IRQF_DISABLED | - IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, - "OHCI over-current indicator", NULL); - if (error) - printk(KERN_ERR "%s: could not request IRQ to watch " - "over-current indicator changes\n", __func__); - } else - free_irq(irq, NULL); - - return error; -} - -static struct da8xx_ohci_root_hub da830_evm_usb11_pdata = { - .set_power = da830_evm_usb_set_power, - .get_power = da830_evm_usb_get_power, - .get_oci = da830_evm_usb_get_oci, - .ocic_notify = da830_evm_usb_ocic_notify, - - /* TPS2065 switch @ 5V */ - .potpgt = (3 + 1) / 2, /* 3 ms max */ -}; - -static irqreturn_t da830_evm_usb_ocic_irq(int irq, void *dev_id) -{ - da830_evm_usb_ocic_handler(&da830_evm_usb11_pdata, 1); - return IRQ_HANDLED; -} - -static __init void da830_evm_usb_init(void) -{ - u32 cfgchip2; - int ret; - - /* - * Set up USB clock/mode in the CFGCHIP2 register. - * FYI: CFGCHIP2 is 0x0000ef00 initially. - */ - cfgchip2 = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG)); - - /* USB2.0 PHY reference clock is 24 MHz */ - cfgchip2 &= ~CFGCHIP2_REFFREQ; - cfgchip2 |= CFGCHIP2_REFFREQ_24MHZ; - - /* - * Select internal reference clock for USB 2.0 PHY - * and use it as a clock source for USB 1.1 PHY - * (this is the default setting anyway). - */ - cfgchip2 &= ~CFGCHIP2_USB1PHYCLKMUX; - cfgchip2 |= CFGCHIP2_USB2PHYCLKMUX; - - /* - * We have to override VBUS/ID signals when MUSB is configured into the - * host-only mode -- ID pin will float if no cable is connected, so the - * controller won't be able to drive VBUS thinking that it's a B-device. - * Otherwise, we want to use the OTG mode and enable VBUS comparators. - */ - cfgchip2 &= ~CFGCHIP2_OTGMODE; -#ifdef CONFIG_USB_MUSB_HOST - cfgchip2 |= CFGCHIP2_FORCE_HOST; -#else - cfgchip2 |= CFGCHIP2_SESENDEN | CFGCHIP2_VBDTCTEN; -#endif - - __raw_writel(cfgchip2, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG)); - - /* USB_REFCLKIN is not used. */ - ret = davinci_cfg_reg(DA830_USB0_DRVVBUS); - if (ret) - pr_warning("%s: USB 2.0 PinMux setup failed: %d\n", - __func__, ret); - else { - /* - * TPS2065 switch @ 5V supplies 1 A (sustains 1.5 A), - * with the power on to power good time of 3 ms. - */ - ret = da8xx_register_usb20(1000, 3); - if (ret) - pr_warning("%s: USB 2.0 registration failed: %d\n", - __func__, ret); - } - - ret = davinci_cfg_reg_list(da830_evm_usb11_pins); - if (ret) { - pr_warning("%s: USB 1.1 PinMux setup failed: %d\n", - __func__, ret); - return; - } - - ret = gpio_request(ON_BD_USB_DRV, "ON_BD_USB_DRV"); - if (ret) { - printk(KERN_ERR "%s: failed to request GPIO for USB 1.1 port " - "power control: %d\n", __func__, ret); - return; - } - gpio_direction_output(ON_BD_USB_DRV, 0); - - ret = gpio_request(ON_BD_USB_OVC, "ON_BD_USB_OVC"); - if (ret) { - printk(KERN_ERR "%s: failed to request GPIO for USB 1.1 port " - "over-current indicator: %d\n", __func__, ret); - return; - } - gpio_direction_input(ON_BD_USB_OVC); - - ret = da8xx_register_usb11(&da830_evm_usb11_pdata); - if (ret) - pr_warning("%s: USB 1.1 registration failed: %d\n", - __func__, ret); -} - -static struct davinci_uart_config da830_evm_uart_config __initdata = { - .enabled_uarts = 0x7, -}; - -static const short da830_evm_mcasp1_pins[] = { - DA830_AHCLKX1, DA830_ACLKX1, DA830_AFSX1, DA830_AHCLKR1, DA830_AFSR1, - DA830_AMUTE1, DA830_AXR1_0, DA830_AXR1_1, DA830_AXR1_2, DA830_AXR1_5, - DA830_ACLKR1, DA830_AXR1_6, DA830_AXR1_7, DA830_AXR1_8, DA830_AXR1_10, - DA830_AXR1_11, - -1 -}; - -static u8 da830_iis_serializer_direction[] = { - RX_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, - INACTIVE_MODE, TX_MODE, INACTIVE_MODE, INACTIVE_MODE, - INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, -}; - -static struct snd_platform_data da830_evm_snd_data = { - .tx_dma_offset = 0x2000, - .rx_dma_offset = 0x2000, - .op_mode = DAVINCI_MCASP_IIS_MODE, - .num_serializer = ARRAY_SIZE(da830_iis_serializer_direction), - .tdm_slots = 2, - .serial_dir = da830_iis_serializer_direction, - .asp_chan_q = EVENTQ_0, - .version = MCASP_VERSION_2, - .txnumevt = 1, - .rxnumevt = 1, -}; - -/* - * GPIO2[1] is used as MMC_SD_WP and GPIO2[2] as MMC_SD_INS. - */ -static const short da830_evm_mmc_sd_pins[] = { - DA830_MMCSD_DAT_0, DA830_MMCSD_DAT_1, DA830_MMCSD_DAT_2, - DA830_MMCSD_DAT_3, DA830_MMCSD_DAT_4, DA830_MMCSD_DAT_5, - DA830_MMCSD_DAT_6, DA830_MMCSD_DAT_7, DA830_MMCSD_CLK, - DA830_MMCSD_CMD, DA830_GPIO2_1, DA830_GPIO2_2, - -1 -}; - -#define DA830_MMCSD_WP_PIN GPIO_TO_PIN(2, 1) -#define DA830_MMCSD_CD_PIN GPIO_TO_PIN(2, 2) - -static int da830_evm_mmc_get_ro(int index) -{ - return gpio_get_value(DA830_MMCSD_WP_PIN); -} - -static int da830_evm_mmc_get_cd(int index) -{ - return !gpio_get_value(DA830_MMCSD_CD_PIN); -} - -static struct davinci_mmc_config da830_evm_mmc_config = { - .get_ro = da830_evm_mmc_get_ro, - .get_cd = da830_evm_mmc_get_cd, - .wires = 8, - .max_freq = 50000000, - .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED, - .version = MMC_CTLR_VERSION_2, -}; - -static inline void da830_evm_init_mmc(void) -{ - int ret; - - ret = davinci_cfg_reg_list(da830_evm_mmc_sd_pins); - if (ret) { - pr_warning("da830_evm_init: mmc/sd mux setup failed: %d\n", - ret); - return; - } - - ret = gpio_request(DA830_MMCSD_WP_PIN, "MMC WP"); - if (ret) { - pr_warning("da830_evm_init: can not open GPIO %d\n", - DA830_MMCSD_WP_PIN); - return; - } - gpio_direction_input(DA830_MMCSD_WP_PIN); - - ret = gpio_request(DA830_MMCSD_CD_PIN, "MMC CD\n"); - if (ret) { - pr_warning("da830_evm_init: can not open GPIO %d\n", - DA830_MMCSD_CD_PIN); - return; - } - gpio_direction_input(DA830_MMCSD_CD_PIN); - - ret = da8xx_register_mmcsd0(&da830_evm_mmc_config); - if (ret) { - pr_warning("da830_evm_init: mmc/sd registration failed: %d\n", - ret); - gpio_free(DA830_MMCSD_WP_PIN); - } -} - -/* - * UI board NAND/NOR flashes only use 8-bit data bus. - */ -static const short da830_evm_emif25_pins[] = { - DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3, - DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7, - DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3, - DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7, - DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11, - DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_NEMA_WE, - DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE, DA830_EMA_WAIT_0, - -1 -}; - -#if defined(CONFIG_MMC_DAVINCI) || defined(CONFIG_MMC_DAVINCI_MODULE) -#define HAS_MMC 1 -#else -#define HAS_MMC 0 -#endif - -#ifdef CONFIG_DA830_UI_NAND -static struct mtd_partition da830_evm_nand_partitions[] = { - /* bootloader (U-Boot, etc) in first sector */ - [0] = { - .name = "bootloader", - .offset = 0, - .size = SZ_128K, - .mask_flags = MTD_WRITEABLE, /* force read-only */ - }, - /* bootloader params in the next sector */ - [1] = { - .name = "params", - .offset = MTDPART_OFS_APPEND, - .size = SZ_128K, - .mask_flags = MTD_WRITEABLE, /* force read-only */ - }, - /* kernel */ - [2] = { - .name = "kernel", - .offset = MTDPART_OFS_APPEND, - .size = SZ_2M, - .mask_flags = 0, - }, - /* file system */ - [3] = { - .name = "filesystem", - .offset = MTDPART_OFS_APPEND, - .size = MTDPART_SIZ_FULL, - .mask_flags = 0, - } -}; - -/* flash bbt decriptors */ -static uint8_t da830_evm_nand_bbt_pattern[] = { 'B', 'b', 't', '0' }; -static uint8_t da830_evm_nand_mirror_pattern[] = { '1', 't', 'b', 'B' }; - -static struct nand_bbt_descr da830_evm_nand_bbt_main_descr = { - .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | - NAND_BBT_WRITE | NAND_BBT_2BIT | - NAND_BBT_VERSION | NAND_BBT_PERCHIP, - .offs = 2, - .len = 4, - .veroffs = 16, - .maxblocks = 4, - .pattern = da830_evm_nand_bbt_pattern -}; - -static struct nand_bbt_descr da830_evm_nand_bbt_mirror_descr = { - .options = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE | - NAND_BBT_WRITE | NAND_BBT_2BIT | - NAND_BBT_VERSION | NAND_BBT_PERCHIP, - .offs = 2, - .len = 4, - .veroffs = 16, - .maxblocks = 4, - .pattern = da830_evm_nand_mirror_pattern -}; - -static struct davinci_aemif_timing da830_evm_nandflash_timing = { - .wsetup = 24, - .wstrobe = 21, - .whold = 14, - .rsetup = 19, - .rstrobe = 50, - .rhold = 0, - .ta = 20, -}; - -static struct davinci_nand_pdata da830_evm_nand_pdata = { - .parts = da830_evm_nand_partitions, - .nr_parts = ARRAY_SIZE(da830_evm_nand_partitions), - .ecc_mode = NAND_ECC_HW, - .ecc_bits = 4, - .bbt_options = NAND_BBT_USE_FLASH, - .bbt_td = &da830_evm_nand_bbt_main_descr, - .bbt_md = &da830_evm_nand_bbt_mirror_descr, - .timing = &da830_evm_nandflash_timing, -}; - -static struct resource da830_evm_nand_resources[] = { - [0] = { /* First memory resource is NAND I/O window */ - .start = DA8XX_AEMIF_CS3_BASE, - .end = DA8XX_AEMIF_CS3_BASE + PAGE_SIZE - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { /* Second memory resource is AEMIF control registers */ - .start = DA8XX_AEMIF_CTL_BASE, - .end = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device da830_evm_nand_device = { - .name = "davinci_nand", - .id = 1, - .dev = { - .platform_data = &da830_evm_nand_pdata, - }, - .num_resources = ARRAY_SIZE(da830_evm_nand_resources), - .resource = da830_evm_nand_resources, -}; - -static inline void da830_evm_init_nand(int mux_mode) -{ - int ret; - - if (HAS_MMC) { - pr_warning("WARNING: both MMC/SD and NAND are " - "enabled, but they share AEMIF pins.\n" - "\tDisable MMC/SD for NAND support.\n"); - return; - } - - ret = davinci_cfg_reg_list(da830_evm_emif25_pins); - if (ret) - pr_warning("da830_evm_init: emif25 mux setup failed: %d\n", - ret); - - ret = platform_device_register(&da830_evm_nand_device); - if (ret) - pr_warning("da830_evm_init: NAND device not registered.\n"); - - gpio_direction_output(mux_mode, 1); -} -#else -static inline void da830_evm_init_nand(int mux_mode) { } -#endif - -#ifdef CONFIG_DA830_UI_LCD -static inline void da830_evm_init_lcdc(int mux_mode) -{ - int ret; - - ret = davinci_cfg_reg_list(da830_lcdcntl_pins); - if (ret) - pr_warning("da830_evm_init: lcdcntl mux setup failed: %d\n", - ret); - - ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata); - if (ret) - pr_warning("da830_evm_init: lcd setup failed: %d\n", ret); - - gpio_direction_output(mux_mode, 0); -} -#else -static inline void da830_evm_init_lcdc(int mux_mode) { } -#endif - -static struct at24_platform_data da830_evm_i2c_eeprom_info = { - .byte_len = SZ_256K / 8, - .page_size = 64, - .flags = AT24_FLAG_ADDR16, - .setup = davinci_get_mac_addr, - .context = (void *)0x7f00, -}; - -static int __init da830_evm_ui_expander_setup(struct i2c_client *client, - int gpio, unsigned ngpio, void *context) -{ - gpio_request(gpio + 6, "UI MUX_MODE"); - - /* Drive mux mode low to match the default without UI card */ - gpio_direction_output(gpio + 6, 0); - - da830_evm_init_lcdc(gpio + 6); - - da830_evm_init_nand(gpio + 6); - - return 0; -} - -static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio, - unsigned ngpio, void *context) -{ - gpio_free(gpio + 6); - return 0; -} - -static struct pcf857x_platform_data __initdata da830_evm_ui_expander_info = { - .gpio_base = DAVINCI_N_GPIO, - .setup = da830_evm_ui_expander_setup, - .teardown = da830_evm_ui_expander_teardown, -}; - -static struct i2c_board_info __initdata da830_evm_i2c_devices[] = { - { - I2C_BOARD_INFO("24c256", 0x50), - .platform_data = &da830_evm_i2c_eeprom_info, - }, - { - I2C_BOARD_INFO("tlv320aic3x", 0x18), - }, - { - I2C_BOARD_INFO("pcf8574", 0x3f), - .platform_data = &da830_evm_ui_expander_info, - }, -}; - -static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = { - .bus_freq = 100, /* kHz */ - .bus_delay = 0, /* usec */ -}; - -/* - * The following EDMA channels/slots are not being used by drivers (for - * example: Timer, GPIO, UART events etc) on da830/omap-l137 EVM, hence - * they are being reserved for codecs on the DSP side. - */ -static const s16 da830_dma_rsv_chans[][2] = { - /* (offset, number) */ - { 8, 2}, - {12, 2}, - {24, 4}, - {30, 2}, - {-1, -1} -}; - -static const s16 da830_dma_rsv_slots[][2] = { - /* (offset, number) */ - { 8, 2}, - {12, 2}, - {24, 4}, - {30, 26}, - {-1, -1} -}; - -static struct edma_rsv_info da830_edma_rsv[] = { - { - .rsv_chans = da830_dma_rsv_chans, - .rsv_slots = da830_dma_rsv_slots, - }, -}; - -static struct mtd_partition da830evm_spiflash_part[] = { - [0] = { - .name = "DSP-UBL", - .offset = 0, - .size = SZ_8K, - .mask_flags = MTD_WRITEABLE, - }, - [1] = { - .name = "ARM-UBL", - .offset = MTDPART_OFS_APPEND, - .size = SZ_16K + SZ_8K, - .mask_flags = MTD_WRITEABLE, - }, - [2] = { - .name = "U-Boot", - .offset = MTDPART_OFS_APPEND, - .size = SZ_256K - SZ_32K, - .mask_flags = MTD_WRITEABLE, - }, - [3] = { - .name = "U-Boot-Environment", - .offset = MTDPART_OFS_APPEND, - .size = SZ_16K, - .mask_flags = 0, - }, - [4] = { - .name = "Kernel", - .offset = MTDPART_OFS_APPEND, - .size = MTDPART_SIZ_FULL, - .mask_flags = 0, - }, -}; - -static struct flash_platform_data da830evm_spiflash_data = { - .name = "m25p80", - .parts = da830evm_spiflash_part, - .nr_parts = ARRAY_SIZE(da830evm_spiflash_part), - .type = "w25x32", -}; - -static struct davinci_spi_config da830evm_spiflash_cfg = { - .io_type = SPI_IO_TYPE_DMA, - .c2tdelay = 8, - .t2cdelay = 8, -}; - -static struct spi_board_info da830evm_spi_info[] = { - { - .modalias = "m25p80", - .platform_data = &da830evm_spiflash_data, - .controller_data = &da830evm_spiflash_cfg, - .mode = SPI_MODE_0, - .max_speed_hz = 30000000, - .bus_num = 0, - .chip_select = 0, - }, -}; - -static __init void da830_evm_init(void) -{ - struct davinci_soc_info *soc_info = &davinci_soc_info; - int ret; - - ret = da830_register_edma(da830_edma_rsv); - if (ret) - pr_warning("da830_evm_init: edma registration failed: %d\n", - ret); - - ret = davinci_cfg_reg_list(da830_i2c0_pins); - if (ret) - pr_warning("da830_evm_init: i2c0 mux setup failed: %d\n", - ret); - - ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata); - if (ret) - pr_warning("da830_evm_init: i2c0 registration failed: %d\n", - ret); - - da830_evm_usb_init(); - - soc_info->emac_pdata->rmii_en = 1; - soc_info->emac_pdata->phy_id = DA830_EVM_PHY_ID; - - ret = davinci_cfg_reg_list(da830_cpgmac_pins); - if (ret) - pr_warning("da830_evm_init: cpgmac mux setup failed: %d\n", - ret); - - ret = da8xx_register_emac(); - if (ret) - pr_warning("da830_evm_init: emac registration failed: %d\n", - ret); - - ret = da8xx_register_watchdog(); - if (ret) - pr_warning("da830_evm_init: watchdog registration failed: %d\n", - ret); - - davinci_serial_init(&da830_evm_uart_config); - i2c_register_board_info(1, da830_evm_i2c_devices, - ARRAY_SIZE(da830_evm_i2c_devices)); - - ret = davinci_cfg_reg_list(da830_evm_mcasp1_pins); - if (ret) - pr_warning("da830_evm_init: mcasp1 mux setup failed: %d\n", - ret); - - da8xx_register_mcasp(1, &da830_evm_snd_data); - - da830_evm_init_mmc(); - - ret = da8xx_register_rtc(); - if (ret) - pr_warning("da830_evm_init: rtc setup failed: %d\n", ret); - - ret = da8xx_register_spi(0, da830evm_spi_info, - ARRAY_SIZE(da830evm_spi_info)); - if (ret) - pr_warning("da830_evm_init: spi 0 registration failed: %d\n", - ret); -} - -#ifdef CONFIG_SERIAL_8250_CONSOLE -static int __init da830_evm_console_init(void) -{ - if (!machine_is_davinci_da830_evm()) - return 0; - - return add_preferred_console("ttyS", 2, "115200"); -} -console_initcall(da830_evm_console_init); -#endif - -static void __init da830_evm_map_io(void) -{ - da830_init(); -} - -MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137/AM17x EVM") - .atag_offset = 0x100, - .map_io = da830_evm_map_io, - .init_irq = cp_intc_init, - .timer = &davinci_timer, - .init_machine = da830_evm_init, - .dma_zone_size = SZ_128M, - .restart = da8xx_restart, -MACHINE_END |