diff options
Diffstat (limited to 'arch/arm/mach-mx5/board-cpuimx51sd.c')
| -rw-r--r-- | arch/arm/mach-mx5/board-cpuimx51sd.c | 331 |
1 files changed, 0 insertions, 331 deletions
diff --git a/arch/arm/mach-mx5/board-cpuimx51sd.c b/arch/arm/mach-mx5/board-cpuimx51sd.c deleted file mode 100644 index 4b3a6119c5f..00000000000 --- a/arch/arm/mach-mx5/board-cpuimx51sd.c +++ /dev/null @@ -1,331 +0,0 @@ -/* - * - * Copyright (C) 2010 Eric Bénard <eric@eukrea.com> - * - * based on board-mx51_babbage.c which is - * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved. - * Copyright (C) 2009-2010 Amit Kucheria <amit.kucheria@canonical.com> - * - * 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/i2c/tsc2007.h> -#include <linux/gpio.h> -#include <linux/delay.h> -#include <linux/io.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/fsl_devices.h> -#include <linux/i2c-gpio.h> -#include <linux/spi/spi.h> -#include <linux/can/platform/mcp251x.h> - -#include <mach/eukrea-baseboards.h> -#include <mach/common.h> -#include <mach/hardware.h> -#include <mach/iomux-mx51.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 USBH1_RST (1*32 + 28) -#define ETH_RST (1*32 + 31) -#define TSC2007_IRQGPIO (2*32 + 12) -#define CAN_IRQGPIO (0*32 + 1) -#define CAN_RST (3*32 + 15) -#define CAN_NCS (3*32 + 24) -#define CAN_RXOBF (0*32 + 4) -#define CAN_RX1BF (0*32 + 6) -#define CAN_TXORTS (0*32 + 7) -#define CAN_TX1RTS (0*32 + 8) -#define CAN_TX2RTS (0*32 + 9) -#define I2C_SCL (3*32 + 16) -#define I2C_SDA (3*32 + 17) - -/* USB_CTRL_1 */ -#define MX51_USB_CTRL_1_OFFSET 0x10 -#define MX51_USB_CTRL_UH1_EXT_CLK_EN (1 << 25) - -#define MX51_USB_PLLDIV_12_MHZ 0x00 -#define MX51_USB_PLL_DIV_19_2_MHZ 0x01 -#define MX51_USB_PLL_DIV_24_MHZ 0x02 - -#define CPUIMX51SD_GPIO_3_12 IOMUX_PAD(0x57C, 0x194, 3, 0x0, 0, \ - MX51_PAD_CTRL_1 | PAD_CTL_PUS_22K_UP) - -static struct pad_desc eukrea_cpuimx51sd_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, - - /* USB HOST1 */ - MX51_PAD_USBH1_CLK__USBH1_CLK, - MX51_PAD_USBH1_DIR__USBH1_DIR, - MX51_PAD_USBH1_NXT__USBH1_NXT, - MX51_PAD_USBH1_DATA0__USBH1_DATA0, - MX51_PAD_USBH1_DATA1__USBH1_DATA1, - MX51_PAD_USBH1_DATA2__USBH1_DATA2, - MX51_PAD_USBH1_DATA3__USBH1_DATA3, - MX51_PAD_USBH1_DATA4__USBH1_DATA4, - MX51_PAD_USBH1_DATA5__USBH1_DATA5, - MX51_PAD_USBH1_DATA6__USBH1_DATA6, - MX51_PAD_USBH1_DATA7__USBH1_DATA7, - MX51_PAD_USBH1_STP__USBH1_STP, - MX51_PAD_EIM_CS3__GPIO_2_28, /* PHY nRESET */ - - /* FEC */ - MX51_PAD_EIM_DTACK__GPIO_2_31, /* PHY nRESET */ - - /* HSI2C */ - MX51_PAD_I2C1_CLK__GPIO_4_16, - MX51_PAD_I2C1_DAT__GPIO_4_17, - - /* CAN */ - MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI, - MX51_PAD_CSPI1_MISO__ECSPI1_MISO, - MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK, - MX51_PAD_CSPI1_SS0__GPIO_4_24, /* nCS */ - MX51_PAD_CSI2_PIXCLK__GPIO_4_15, /* nReset */ - MX51_PAD_GPIO_1_1__GPIO_1_1, /* IRQ */ - MX51_PAD_GPIO_1_4__GPIO_1_4, /* Control signals */ - MX51_PAD_GPIO_1_6__GPIO_1_6, - MX51_PAD_GPIO_1_7__GPIO_1_7, - MX51_PAD_GPIO_1_8__GPIO_1_8, - MX51_PAD_GPIO_1_9__GPIO_1_9, - - /* Touchscreen */ - CPUIMX51SD_GPIO_3_12, /* IRQ */ -}; - -static const struct imxuart_platform_data uart_pdata __initconst = { - .flags = IMXUART_HAVE_RTSCTS, -}; - -static int ts_get_pendown_state(void) -{ - return gpio_get_value(TSC2007_IRQGPIO) ? 0 : 1; -} - -static struct tsc2007_platform_data tsc2007_info = { - .model = 2007, - .x_plate_ohms = 180, - .get_pendown_state = ts_get_pendown_state, -}; - -static struct i2c_board_info eukrea_cpuimx51sd_i2c_devices[] = { - { - I2C_BOARD_INFO("pcf8563", 0x51), - }, { - I2C_BOARD_INFO("tsc2007", 0x49), - .type = "tsc2007", - .platform_data = &tsc2007_info, - .irq = gpio_to_irq(TSC2007_IRQGPIO), - }, -}; - -static const struct mxc_nand_platform_data - eukrea_cpuimx51sd_nand_board_info __initconst = { - .width = 1, - .hw_ecc = 1, - .flash_bbt = 1, -}; - -/* 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); - usbother_base = 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_19_2_MHZ; - __raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET); - iounmap(usb_base); - return 0; -} - -static int initialize_usbh1_port(struct platform_device *pdev) -{ - u32 v; - void __iomem *usb_base; - void __iomem *usbother_base; - - usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K); - usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET; - - /* The clock for the USBH1 ULPI port will come from the PHY. */ - v = __raw_readl(usbother_base + MX51_USB_CTRL_1_OFFSET); - __raw_writel(v | MX51_USB_CTRL_UH1_EXT_CLK_EN, - usbother_base + MX51_USB_CTRL_1_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, -}; - -static struct fsl_usb2_platform_data usb_pdata = { - .operating_mode = FSL_USB2_DR_DEVICE, - .phy_mode = FSL_USB2_PHY_UTMI_WIDE, -}; - -static struct mxc_usbh_platform_data usbh1_config = { - .init = initialize_usbh1_port, - .portsc = MXC_EHCI_MODE_ULPI, - .flags = (MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_ITC_NO_THRESHOLD), -}; - -static int otg_mode_host; - -static int __init eukrea_cpuimx51sd_otg_mode(char *options) -{ - if (!strcmp(options, "host")) - otg_mode_host = 1; - else if (!strcmp(options, "device")) - otg_mode_host = 0; - else - pr_info("otg_mode neither \"host\" nor \"device\". " - "Defaulting to device\n"); - return 0; -} -__setup("otg_mode=", eukrea_cpuimx51sd_otg_mode); - -static struct i2c_gpio_platform_data pdata = { - .sda_pin = I2C_SDA, - .sda_is_open_drain = 0, - .scl_pin = I2C_SCL, - .scl_is_open_drain = 0, - .udelay = 2, -}; - -static struct platform_device hsi2c_gpio_device = { - .name = "i2c-gpio", - .id = 0, - .dev.platform_data = &pdata, -}; - -static struct mcp251x_platform_data mcp251x_info = { - .oscillator_frequency = 24E6, -}; - -static struct spi_board_info cpuimx51sd_spi_device[] = { - { - .modalias = "mcp2515", - .max_speed_hz = 6500000, - .bus_num = 0, - .mode = SPI_MODE_0, - .chip_select = 0, - .platform_data = &mcp251x_info, - .irq = gpio_to_irq(0 * 32 + 1) - }, -}; - -static int cpuimx51sd_spi1_cs[] = { - CAN_NCS, -}; - -static const struct spi_imx_master cpuimx51sd_ecspi1_pdata __initconst = { - .chipselect = cpuimx51sd_spi1_cs, - .num_chipselect = ARRAY_SIZE(cpuimx51sd_spi1_cs), -}; - -static struct platform_device *platform_devices[] __initdata = { - &hsi2c_gpio_device, -}; - -static void __init eukrea_cpuimx51sd_init(void) -{ - mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx51sd_pads, - ARRAY_SIZE(eukrea_cpuimx51sd_pads)); - - imx51_add_imx_uart(0, &uart_pdata); - imx51_add_mxc_nand(&eukrea_cpuimx51sd_nand_board_info); - - gpio_request(ETH_RST, "eth_rst"); - gpio_set_value(ETH_RST, 1); - imx51_add_fec(NULL); - - gpio_request(CAN_IRQGPIO, "can_irq"); - gpio_direction_input(CAN_IRQGPIO); - gpio_free(CAN_IRQGPIO); - gpio_request(CAN_NCS, "can_ncs"); - gpio_direction_output(CAN_NCS, 1); - gpio_free(CAN_NCS); - gpio_request(CAN_RST, "can_rst"); - gpio_direction_output(CAN_RST, 0); - msleep(20); - gpio_set_value(CAN_RST, 1); - imx51_add_ecspi(0, &cpuimx51sd_ecspi1_pdata); - spi_register_board_info(cpuimx51sd_spi_device, - ARRAY_SIZE(cpuimx51sd_spi_device)); - - gpio_request(TSC2007_IRQGPIO, "tsc2007_irq"); - gpio_direction_input(TSC2007_IRQGPIO); - gpio_free(TSC2007_IRQGPIO); - - i2c_register_board_info(0, eukrea_cpuimx51sd_i2c_devices, - ARRAY_SIZE(eukrea_cpuimx51sd_i2c_devices)); - platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); - - if (otg_mode_host) - mxc_register_device(&mxc_usbdr_host_device, &dr_utmi_config); - else { - initialize_otg_port(NULL); - mxc_register_device(&mxc_usbdr_udc_device, &usb_pdata); - } - - gpio_request(USBH1_RST, "usb_rst"); - gpio_direction_output(USBH1_RST, 0); - msleep(20); - gpio_set_value(USBH1_RST, 1); - mxc_register_device(&mxc_usbh1_device, &usbh1_config); - -#ifdef CONFIG_MACH_EUKREA_MBIMXSD51_BASEBOARD - eukrea_mbimxsd51_baseboard_init(); -#endif -} - -static void __init eukrea_cpuimx51sd_timer_init(void) -{ - mx51_clocks_init(32768, 24000000, 22579200, 0); -} - -static struct sys_timer mxc_timer = { - .init = eukrea_cpuimx51sd_timer_init, -}; - -MACHINE_START(EUKREA_CPUIMX51SD, "Eukrea CPUIMX51SD") - /* Maintainer: Eric Bénard <eric@eukrea.com> */ - .boot_params = PHYS_OFFSET + 0x100, - .map_io = mx51_map_io, - .init_irq = mx51_init_irq, - .init_machine = eukrea_cpuimx51sd_init, - .timer = &mxc_timer, -MACHINE_END |