diff options
Diffstat (limited to 'arch/arm/mach-mx5/board-mx51_efikamx.c')
| -rw-r--r-- | arch/arm/mach-mx5/board-mx51_efikamx.c | 364 |
1 files changed, 0 insertions, 364 deletions
diff --git a/arch/arm/mach-mx5/board-mx51_efikamx.c b/arch/arm/mach-mx5/board-mx51_efikamx.c deleted file mode 100644 index b7946f8e8d4..00000000000 --- a/arch/arm/mach-mx5/board-mx51_efikamx.c +++ /dev/null @@ -1,364 +0,0 @@ -/* - * Copyright (C) 2010 Linaro Limited - * - * based on code from the following - * Copyright 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved. - * Copyright 2009-2010 Pegatron Corporation. All Rights Reserved. - * Copyright 2009-2010 Genesi USA, 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/init.h> -#include <linux/platform_device.h> -#include <linux/i2c.h> -#include <linux/gpio.h> -#include <linux/leds.h> -#include <linux/input.h> -#include <linux/delay.h> -#include <linux/io.h> -#include <linux/fsl_devices.h> -#include <linux/spi/flash.h> -#include <linux/spi/spi.h> - -#include <mach/common.h> -#include <mach/hardware.h> -#include <mach/iomux-mx51.h> -#include <mach/i2c.h> -#include <mach/mxc_ehci.h> - -#include <asm/irq.h> -#include <asm/setup.h> -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <asm/mach/time.h> - -#include "devices-imx51.h" -#include "devices.h" - -#define MX51_USB_PLL_DIV_24_MHZ 0x01 - -#define EFIKAMX_PCBID0 IMX_GPIO_NR(3, 16) -#define EFIKAMX_PCBID1 IMX_GPIO_NR(3, 17) -#define EFIKAMX_PCBID2 IMX_GPIO_NR(3, 11) - -#define EFIKAMX_BLUE_LED IMX_GPIO_NR(3, 13) -#define EFIKAMX_GREEN_LED IMX_GPIO_NR(3, 14) -#define EFIKAMX_RED_LED IMX_GPIO_NR(3, 15) - -#define EFIKAMX_POWER_KEY IMX_GPIO_NR(2, 31) - -#define EFIKAMX_SPI_CS0 IMX_GPIO_NR(4, 24) -#define EFIKAMX_SPI_CS1 IMX_GPIO_NR(4, 25) - -/* board 1.1 doesn't have same reset gpio */ -#define EFIKAMX_RESET1_1 IMX_GPIO_NR(3, 2) -#define EFIKAMX_RESET IMX_GPIO_NR(1, 4) - -/* the pci ids pin have pull up. they're driven low according to board id */ -#define MX51_PAD_PCBID0 IOMUX_PAD(0x518, 0x130, 3, 0x0, 0, PAD_CTL_PUS_100K_UP) -#define MX51_PAD_PCBID1 IOMUX_PAD(0x51C, 0x134, 3, 0x0, 0, PAD_CTL_PUS_100K_UP) -#define MX51_PAD_PCBID2 IOMUX_PAD(0x504, 0x128, 3, 0x0, 0, PAD_CTL_PUS_100K_UP) -#define MX51_PAD_PWRKEY IOMUX_PAD(0x48c, 0x0f8, 1, 0x0, 0, PAD_CTL_PUS_100K_UP | PAD_CTL_PKE) - -static iomux_v3_cfg_t mx51efikamx_pads[] = { - /* UART1 */ - MX51_PAD_UART1_RXD__UART1_RXD, - MX51_PAD_UART1_TXD__UART1_TXD, - MX51_PAD_UART1_RTS__UART1_RTS, - MX51_PAD_UART1_CTS__UART1_CTS, - /* board id */ - MX51_PAD_PCBID0, - MX51_PAD_PCBID1, - MX51_PAD_PCBID2, - - /* SD 1 */ - MX51_PAD_SD1_CMD__SD1_CMD, - MX51_PAD_SD1_CLK__SD1_CLK, - MX51_PAD_SD1_DATA0__SD1_DATA0, - MX51_PAD_SD1_DATA1__SD1_DATA1, - MX51_PAD_SD1_DATA2__SD1_DATA2, - MX51_PAD_SD1_DATA3__SD1_DATA3, - - /* SD 2 */ - MX51_PAD_SD2_CMD__SD2_CMD, - MX51_PAD_SD2_CLK__SD2_CLK, - MX51_PAD_SD2_DATA0__SD2_DATA0, - MX51_PAD_SD2_DATA1__SD2_DATA1, - MX51_PAD_SD2_DATA2__SD2_DATA2, - MX51_PAD_SD2_DATA3__SD2_DATA3, - - /* SD/MMC WP/CD */ - MX51_PAD_GPIO1_0__SD1_CD, - MX51_PAD_GPIO1_1__SD1_WP, - MX51_PAD_GPIO1_7__SD2_WP, - MX51_PAD_GPIO1_8__SD2_CD, - - /* leds */ - MX51_PAD_CSI1_D9__GPIO3_13, - MX51_PAD_CSI1_VSYNC__GPIO3_14, - MX51_PAD_CSI1_HSYNC__GPIO3_15, - - /* power key */ - MX51_PAD_PWRKEY, - - /* spi */ - MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI, - MX51_PAD_CSPI1_MISO__ECSPI1_MISO, - MX51_PAD_CSPI1_SS0__GPIO4_24, - MX51_PAD_CSPI1_SS1__GPIO4_25, - MX51_PAD_CSPI1_RDY__ECSPI1_RDY, - MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK, - - /* reset */ - MX51_PAD_DI1_PIN13__GPIO3_2, - MX51_PAD_GPIO1_4__GPIO1_4, -}; - -/* Serial ports */ -#if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE) -static const struct imxuart_platform_data uart_pdata = { - .flags = IMXUART_HAVE_RTSCTS, -}; - -static inline void mxc_init_imx_uart(void) -{ - imx51_add_imx_uart(0, &uart_pdata); - imx51_add_imx_uart(1, &uart_pdata); - imx51_add_imx_uart(2, &uart_pdata); -} -#else /* !SERIAL_IMX */ -static inline void mxc_init_imx_uart(void) -{ -} -#endif /* SERIAL_IMX */ - -/* This function is board specific as the bit mask for the plldiv will also - * be different for other Freescale SoCs, thus a common bitmask is not - * possible and cannot get place in /plat-mxc/ehci.c. - */ -static int initialize_otg_port(struct platform_device *pdev) -{ - u32 v; - void __iomem *usb_base; - void __iomem *usbother_base; - usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K); - if (!usb_base) - return -ENOMEM; - usbother_base = (void __iomem *)(usb_base + MX5_USBOTHER_REGS_OFFSET); - - /* Set the PHY clock to 19.2MHz */ - v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET); - v &= ~MX5_USB_UTMI_PHYCTRL1_PLLDIV_MASK; - v |= MX51_USB_PLL_DIV_24_MHZ; - __raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET); - iounmap(usb_base); - return 0; -} - -static struct mxc_usbh_platform_data dr_utmi_config = { - .init = initialize_otg_port, - .portsc = MXC_EHCI_UTMI_16BIT, - .flags = MXC_EHCI_INTERNAL_PHY, -}; - -/* PCBID2 PCBID1 PCBID0 STATE - 1 1 1 ER1:rev1.1 - 1 1 0 ER2:rev1.2 - 1 0 1 ER3:rev1.3 - 1 0 0 ER4:rev1.4 -*/ -static void __init mx51_efikamx_board_id(void) -{ - int id; - - /* things are taking time to settle */ - msleep(150); - - gpio_request(EFIKAMX_PCBID0, "pcbid0"); - gpio_direction_input(EFIKAMX_PCBID0); - gpio_request(EFIKAMX_PCBID1, "pcbid1"); - gpio_direction_input(EFIKAMX_PCBID1); - gpio_request(EFIKAMX_PCBID2, "pcbid2"); - gpio_direction_input(EFIKAMX_PCBID2); - - id = gpio_get_value(EFIKAMX_PCBID0); - id |= gpio_get_value(EFIKAMX_PCBID1) << 1; - id |= gpio_get_value(EFIKAMX_PCBID2) << 2; - - switch (id) { - case 7: - system_rev = 0x11; - break; - case 6: - system_rev = 0x12; - break; - case 5: - system_rev = 0x13; - break; - case 4: - system_rev = 0x14; - break; - default: - system_rev = 0x10; - break; - } - - if ((system_rev == 0x10) - || (system_rev == 0x12) - || (system_rev == 0x14)) { - printk(KERN_WARNING - "EfikaMX: Unsupported board revision 1.%u!\n", - system_rev & 0xf); - } -} - -static struct gpio_led mx51_efikamx_leds[] = { - { - .name = "efikamx:green", - .default_trigger = "default-on", - .gpio = EFIKAMX_GREEN_LED, - }, - { - .name = "efikamx:red", - .default_trigger = "ide-disk", - .gpio = EFIKAMX_RED_LED, - }, - { - .name = "efikamx:blue", - .default_trigger = "mmc0", - .gpio = EFIKAMX_BLUE_LED, - }, -}; - -static struct gpio_led_platform_data mx51_efikamx_leds_data = { - .leds = mx51_efikamx_leds, - .num_leds = ARRAY_SIZE(mx51_efikamx_leds), -}; - -static struct platform_device mx51_efikamx_leds_device = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = &mx51_efikamx_leds_data, - }, -}; - -static struct gpio_keys_button mx51_efikamx_powerkey[] = { - { - .code = KEY_POWER, - .gpio = EFIKAMX_POWER_KEY, - .type = EV_PWR, - .desc = "Power Button (CM)", - .wakeup = 1, - .debounce_interval = 10, /* ms */ - }, -}; - -static const struct gpio_keys_platform_data mx51_efikamx_powerkey_data __initconst = { - .buttons = mx51_efikamx_powerkey, - .nbuttons = ARRAY_SIZE(mx51_efikamx_powerkey), -}; - -static struct mtd_partition mx51_efikamx_spi_nor_partitions[] = { - { - .name = "u-boot", - .offset = 0, - .size = SZ_256K, - }, - { - .name = "config", - .offset = MTDPART_OFS_APPEND, - .size = SZ_64K, - }, -}; - -static struct flash_platform_data mx51_efikamx_spi_flash_data = { - .name = "spi_flash", - .parts = mx51_efikamx_spi_nor_partitions, - .nr_parts = ARRAY_SIZE(mx51_efikamx_spi_nor_partitions), - .type = "sst25vf032b", -}; - -static struct spi_board_info mx51_efikamx_spi_board_info[] __initdata = { - { - .modalias = "m25p80", - .max_speed_hz = 25000000, - .bus_num = 0, - .chip_select = 1, - .platform_data = &mx51_efikamx_spi_flash_data, - .irq = -1, - }, -}; - -static int mx51_efikamx_spi_cs[] = { - EFIKAMX_SPI_CS0, - EFIKAMX_SPI_CS1, -}; - -static const struct spi_imx_master mx51_efikamx_spi_pdata __initconst = { - .chipselect = mx51_efikamx_spi_cs, - .num_chipselect = ARRAY_SIZE(mx51_efikamx_spi_cs), -}; - -void mx51_efikamx_reset(void) -{ - if (system_rev == 0x11) - gpio_direction_output(EFIKAMX_RESET1_1, 0); - else - gpio_direction_output(EFIKAMX_RESET, 0); -} - -static void __init mxc_board_init(void) -{ - mxc_iomux_v3_setup_multiple_pads(mx51efikamx_pads, - ARRAY_SIZE(mx51efikamx_pads)); - mx51_efikamx_board_id(); - mxc_register_device(&mxc_usbdr_host_device, &dr_utmi_config); - mxc_init_imx_uart(); - imx51_add_sdhci_esdhc_imx(0, NULL); - - /* on < 1.2 boards both SD controllers are used */ - if (system_rev < 0x12) { - imx51_add_sdhci_esdhc_imx(1, NULL); - mx51_efikamx_leds[2].default_trigger = "mmc1"; - } - - platform_device_register(&mx51_efikamx_leds_device); - imx51_add_gpio_keys(&mx51_efikamx_powerkey_data); - - spi_register_board_info(mx51_efikamx_spi_board_info, - ARRAY_SIZE(mx51_efikamx_spi_board_info)); - imx51_add_ecspi(0, &mx51_efikamx_spi_pdata); - - if (system_rev == 0x11) { - gpio_request(EFIKAMX_RESET1_1, "reset"); - gpio_direction_output(EFIKAMX_RESET1_1, 1); - } else { - gpio_request(EFIKAMX_RESET, "reset"); - gpio_direction_output(EFIKAMX_RESET, 1); - } -} - -static void __init mx51_efikamx_timer_init(void) -{ - mx51_clocks_init(32768, 24000000, 22579200, 24576000); -} - -static struct sys_timer mxc_timer = { - .init = mx51_efikamx_timer_init, -}; - -MACHINE_START(MX51_EFIKAMX, "Genesi EfikaMX nettop") - /* Maintainer: Amit Kucheria <amit.kucheria@linaro.org> */ - .boot_params = MX51_PHYS_OFFSET + 0x100, - .map_io = mx51_map_io, - .init_irq = mx51_init_irq, - .init_machine = mxc_board_init, - .timer = &mxc_timer, -MACHINE_END |