diff options
Diffstat (limited to 'arch/arm/mach-mx3/mach-armadillo5x0.c')
| -rw-r--r-- | arch/arm/mach-mx3/mach-armadillo5x0.c | 565 |
1 files changed, 0 insertions, 565 deletions
diff --git a/arch/arm/mach-mx3/mach-armadillo5x0.c b/arch/arm/mach-mx3/mach-armadillo5x0.c deleted file mode 100644 index 8e614b10dd5c..000000000000 --- a/arch/arm/mach-mx3/mach-armadillo5x0.c +++ /dev/null @@ -1,565 +0,0 @@ -/* - * armadillo5x0.c - * - * Copyright 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com> - * updates in http://alberdroid.blogspot.com/ - * - * Based on Atmark Techno, Inc. armadillo 500 BSP 2008 - * Based on mx31ads.c and pcm037.c Great Work! - * - * 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., 51 Franklin Street, Fifth Floor, Boston, - * MA 02110-1301, USA. - */ - -#include <linux/types.h> -#include <linux/init.h> -#include <linux/clk.h> -#include <linux/platform_device.h> -#include <linux/gpio.h> -#include <linux/smsc911x.h> -#include <linux/interrupt.h> -#include <linux/irq.h> -#include <linux/mtd/physmap.h> -#include <linux/io.h> -#include <linux/input.h> -#include <linux/i2c.h> -#include <linux/usb/otg.h> -#include <linux/usb/ulpi.h> -#include <linux/delay.h> - -#include <mach/hardware.h> -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <asm/mach/time.h> -#include <asm/memory.h> -#include <asm/mach/map.h> - -#include <mach/common.h> -#include <mach/iomux-mx3.h> -#include <mach/ulpi.h> - -#include "devices-imx31.h" -#include "crm_regs.h" - -static int armadillo5x0_pins[] = { - /* UART1 */ - MX31_PIN_CTS1__CTS1, - MX31_PIN_RTS1__RTS1, - MX31_PIN_TXD1__TXD1, - MX31_PIN_RXD1__RXD1, - /* UART2 */ - MX31_PIN_CTS2__CTS2, - MX31_PIN_RTS2__RTS2, - MX31_PIN_TXD2__TXD2, - MX31_PIN_RXD2__RXD2, - /* LAN9118_IRQ */ - IOMUX_MODE(MX31_PIN_GPIO1_0, IOMUX_CONFIG_GPIO), - /* SDHC1 */ - MX31_PIN_SD1_DATA3__SD1_DATA3, - MX31_PIN_SD1_DATA2__SD1_DATA2, - MX31_PIN_SD1_DATA1__SD1_DATA1, - MX31_PIN_SD1_DATA0__SD1_DATA0, - MX31_PIN_SD1_CLK__SD1_CLK, - MX31_PIN_SD1_CMD__SD1_CMD, - /* Framebuffer */ - MX31_PIN_LD0__LD0, - MX31_PIN_LD1__LD1, - MX31_PIN_LD2__LD2, - MX31_PIN_LD3__LD3, - MX31_PIN_LD4__LD4, - MX31_PIN_LD5__LD5, - MX31_PIN_LD6__LD6, - MX31_PIN_LD7__LD7, - MX31_PIN_LD8__LD8, - MX31_PIN_LD9__LD9, - MX31_PIN_LD10__LD10, - MX31_PIN_LD11__LD11, - MX31_PIN_LD12__LD12, - MX31_PIN_LD13__LD13, - MX31_PIN_LD14__LD14, - MX31_PIN_LD15__LD15, - MX31_PIN_LD16__LD16, - MX31_PIN_LD17__LD17, - MX31_PIN_VSYNC3__VSYNC3, - MX31_PIN_HSYNC__HSYNC, - MX31_PIN_FPSHIFT__FPSHIFT, - MX31_PIN_DRDY0__DRDY0, - IOMUX_MODE(MX31_PIN_LCS1, IOMUX_CONFIG_GPIO), /*ADV7125_PSAVE*/ - /* I2C2 */ - MX31_PIN_CSPI2_MOSI__SCL, - MX31_PIN_CSPI2_MISO__SDA, - /* OTG */ - MX31_PIN_USBOTG_DATA0__USBOTG_DATA0, - MX31_PIN_USBOTG_DATA1__USBOTG_DATA1, - MX31_PIN_USBOTG_DATA2__USBOTG_DATA2, - MX31_PIN_USBOTG_DATA3__USBOTG_DATA3, - MX31_PIN_USBOTG_DATA4__USBOTG_DATA4, - MX31_PIN_USBOTG_DATA5__USBOTG_DATA5, - MX31_PIN_USBOTG_DATA6__USBOTG_DATA6, - MX31_PIN_USBOTG_DATA7__USBOTG_DATA7, - MX31_PIN_USBOTG_CLK__USBOTG_CLK, - MX31_PIN_USBOTG_DIR__USBOTG_DIR, - MX31_PIN_USBOTG_NXT__USBOTG_NXT, - MX31_PIN_USBOTG_STP__USBOTG_STP, - /* USB host 2 */ - IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC), - IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC), - IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC), - IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC), - IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC), - IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC), - IOMUX_MODE(MX31_PIN_STXD3, IOMUX_CONFIG_FUNC), - IOMUX_MODE(MX31_PIN_SRXD3, IOMUX_CONFIG_FUNC), - IOMUX_MODE(MX31_PIN_SCK3, IOMUX_CONFIG_FUNC), - IOMUX_MODE(MX31_PIN_SFS3, IOMUX_CONFIG_FUNC), - IOMUX_MODE(MX31_PIN_STXD6, IOMUX_CONFIG_FUNC), - IOMUX_MODE(MX31_PIN_SRXD6, IOMUX_CONFIG_FUNC), -}; - -/* USB */ - -#define OTG_RESET IOMUX_TO_GPIO(MX31_PIN_STXD4) -#define USBH2_RESET IOMUX_TO_GPIO(MX31_PIN_SCK6) -#define USBH2_CS IOMUX_TO_GPIO(MX31_PIN_GPIO1_3) - -#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \ - PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU) - -static int usbotg_init(struct platform_device *pdev) -{ - int err; - - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG); - - /* Chip already enabled by hardware */ - /* OTG phy reset*/ - err = gpio_request(OTG_RESET, "USB-OTG-RESET"); - if (err) { - pr_err("Failed to request the usb otg reset gpio\n"); - return err; - } - - err = gpio_direction_output(OTG_RESET, 1/*HIGH*/); - if (err) { - pr_err("Failed to reset the usb otg phy\n"); - goto otg_free_reset; - } - - gpio_set_value(OTG_RESET, 0/*LOW*/); - mdelay(5); - gpio_set_value(OTG_RESET, 1/*HIGH*/); - mdelay(10); - - return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED | - MXC_EHCI_INTERFACE_DIFF_UNI); - -otg_free_reset: - gpio_free(OTG_RESET); - return err; -} - -static int usbh2_init(struct platform_device *pdev) -{ - int err; - - mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG); - - mxc_iomux_set_gpr(MUX_PGP_UH2, true); - - - /* Enable the chip */ - err = gpio_request(USBH2_CS, "USB-H2-CS"); - if (err) { - pr_err("Failed to request the usb host 2 CS gpio\n"); - return err; - } - - err = gpio_direction_output(USBH2_CS, 0/*Enabled*/); - if (err) { - pr_err("Failed to drive the usb host 2 CS gpio\n"); - goto h2_free_cs; - } - - /* H2 phy reset*/ - err = gpio_request(USBH2_RESET, "USB-H2-RESET"); - if (err) { - pr_err("Failed to request the usb host 2 reset gpio\n"); - goto h2_free_cs; - } - - err = gpio_direction_output(USBH2_RESET, 1/*HIGH*/); - if (err) { - pr_err("Failed to reset the usb host 2 phy\n"); - goto h2_free_reset; - } - - gpio_set_value(USBH2_RESET, 0/*LOW*/); - mdelay(5); - gpio_set_value(USBH2_RESET, 1/*HIGH*/); - mdelay(10); - - return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED | - MXC_EHCI_INTERFACE_DIFF_UNI); - -h2_free_reset: - gpio_free(USBH2_RESET); -h2_free_cs: - gpio_free(USBH2_CS); - return err; -} - -static struct mxc_usbh_platform_data usbotg_pdata __initdata = { - .init = usbotg_init, - .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT, -}; - -static struct mxc_usbh_platform_data usbh2_pdata __initdata = { - .init = usbh2_init, - .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT, -}; - -/* RTC over I2C*/ -#define ARMADILLO5X0_RTC_GPIO IOMUX_TO_GPIO(MX31_PIN_SRXD4) - -static struct i2c_board_info armadillo5x0_i2c_rtc = { - I2C_BOARD_INFO("s35390a", 0x30), -}; - -/* GPIO BUTTONS */ -static struct gpio_keys_button armadillo5x0_buttons[] = { - { - .code = KEY_ENTER, /*28*/ - .gpio = IOMUX_TO_GPIO(MX31_PIN_SCLK0), - .active_low = 1, - .desc = "menu", - .wakeup = 1, - }, { - .code = KEY_BACK, /*158*/ - .gpio = IOMUX_TO_GPIO(MX31_PIN_SRST0), - .active_low = 1, - .desc = "back", - .wakeup = 1, - } -}; - -static const struct gpio_keys_platform_data - armadillo5x0_button_data __initconst = { - .buttons = armadillo5x0_buttons, - .nbuttons = ARRAY_SIZE(armadillo5x0_buttons), -}; - -/* - * NAND Flash - */ -static const struct mxc_nand_platform_data -armadillo5x0_nand_board_info __initconst = { - .width = 1, - .hw_ecc = 1, -}; - -/* - * MTD NOR Flash - */ -static struct mtd_partition armadillo5x0_nor_flash_partitions[] = { - { - .name = "nor.bootloader", - .offset = 0x00000000, - .size = 4*32*1024, - }, { - .name = "nor.kernel", - .offset = MTDPART_OFS_APPEND, - .size = 16*128*1024, - }, { - .name = "nor.userland", - .offset = MTDPART_OFS_APPEND, - .size = 110*128*1024, - }, { - .name = "nor.config", - .offset = MTDPART_OFS_APPEND, - .size = 1*128*1024, - }, -}; - -static struct physmap_flash_data armadillo5x0_nor_flash_pdata = { - .width = 2, - .parts = armadillo5x0_nor_flash_partitions, - .nr_parts = ARRAY_SIZE(armadillo5x0_nor_flash_partitions), -}; - -static struct resource armadillo5x0_nor_flash_resource = { - .flags = IORESOURCE_MEM, - .start = MX31_CS0_BASE_ADDR, - .end = MX31_CS0_BASE_ADDR + SZ_64M - 1, -}; - -static struct platform_device armadillo5x0_nor_flash = { - .name = "physmap-flash", - .id = -1, - .num_resources = 1, - .resource = &armadillo5x0_nor_flash_resource, -}; - -/* - * FB support - */ -static const struct fb_videomode fb_modedb[] = { - { /* 640x480 @ 60 Hz */ - .name = "CRT-VGA", - .refresh = 60, - .xres = 640, - .yres = 480, - .pixclock = 39721, - .left_margin = 35, - .right_margin = 115, - .upper_margin = 43, - .lower_margin = 1, - .hsync_len = 10, - .vsync_len = 1, - .sync = FB_SYNC_OE_ACT_HIGH, - .vmode = FB_VMODE_NONINTERLACED, - .flag = 0, - }, {/* 800x600 @ 56 Hz */ - .name = "CRT-SVGA", - .refresh = 56, - .xres = 800, - .yres = 600, - .pixclock = 30000, - .left_margin = 30, - .right_margin = 108, - .upper_margin = 13, - .lower_margin = 10, - .hsync_len = 10, - .vsync_len = 1, - .sync = FB_SYNC_OE_ACT_HIGH | FB_SYNC_HOR_HIGH_ACT | - FB_SYNC_VERT_HIGH_ACT, - .vmode = FB_VMODE_NONINTERLACED, - .flag = 0, - }, -}; - -static const struct ipu_platform_data mx3_ipu_data __initconst = { - .irq_base = MXC_IPU_IRQ_START, -}; - -static struct mx3fb_platform_data mx3fb_pdata __initdata = { - .name = "CRT-VGA", - .mode = fb_modedb, - .num_modes = ARRAY_SIZE(fb_modedb), -}; - -/* - * SDHC 1 - * MMC support - */ -static int armadillo5x0_sdhc1_get_ro(struct device *dev) -{ - return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B)); -} - -static int armadillo5x0_sdhc1_init(struct device *dev, - irq_handler_t detect_irq, void *data) -{ - int ret; - int gpio_det, gpio_wp; - - gpio_det = IOMUX_TO_GPIO(MX31_PIN_ATA_DMACK); - gpio_wp = IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B); - - ret = gpio_request(gpio_det, "sdhc-card-detect"); - if (ret) - return ret; - - gpio_direction_input(gpio_det); - - ret = gpio_request(gpio_wp, "sdhc-write-protect"); - if (ret) - goto err_gpio_free; - - gpio_direction_input(gpio_wp); - - /* When supported the trigger type have to be BOTH */ - ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_ATA_DMACK), detect_irq, - IRQF_DISABLED | IRQF_TRIGGER_FALLING, - "sdhc-detect", data); - - if (ret) - goto err_gpio_free_2; - - return 0; - -err_gpio_free_2: - gpio_free(gpio_wp); - -err_gpio_free: - gpio_free(gpio_det); - - return ret; - -} - -static void armadillo5x0_sdhc1_exit(struct device *dev, void *data) -{ - free_irq(IOMUX_TO_IRQ(MX31_PIN_ATA_DMACK), data); - gpio_free(IOMUX_TO_GPIO(MX31_PIN_ATA_DMACK)); - gpio_free(IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B)); -} - -static const struct imxmmc_platform_data sdhc_pdata __initconst = { - .get_ro = armadillo5x0_sdhc1_get_ro, - .init = armadillo5x0_sdhc1_init, - .exit = armadillo5x0_sdhc1_exit, -}; - -/* - * SMSC 9118 - * Network support - */ -static struct resource armadillo5x0_smc911x_resources[] = { - { - .start = MX31_CS3_BASE_ADDR, - .end = MX31_CS3_BASE_ADDR + SZ_32M - 1, - .flags = IORESOURCE_MEM, - }, { - .start = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0), - .end = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0), - .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, - }, -}; - -static struct smsc911x_platform_config smsc911x_info = { - .flags = SMSC911X_USE_16BIT, - .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, - .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, -}; - -static struct platform_device armadillo5x0_smc911x_device = { - .name = "smsc911x", - .id = -1, - .num_resources = ARRAY_SIZE(armadillo5x0_smc911x_resources), - .resource = armadillo5x0_smc911x_resources, - .dev = { - .platform_data = &smsc911x_info, - }, -}; - -/* UART device data */ -static const struct imxuart_platform_data uart_pdata __initconst = { - .flags = IMXUART_HAVE_RTSCTS, -}; - -static struct platform_device *devices[] __initdata = { - &armadillo5x0_smc911x_device, -}; - -/* - * Perform board specific initializations - */ -static void __init armadillo5x0_init(void) -{ - mxc_iomux_setup_multiple_pins(armadillo5x0_pins, - ARRAY_SIZE(armadillo5x0_pins), "armadillo5x0"); - - platform_add_devices(devices, ARRAY_SIZE(devices)); - imx_add_gpio_keys(&armadillo5x0_button_data); - imx31_add_imx_i2c1(NULL); - - /* Register UART */ - imx31_add_imx_uart0(&uart_pdata); - imx31_add_imx_uart1(&uart_pdata); - - /* SMSC9118 IRQ pin */ - gpio_direction_input(MX31_PIN_GPIO1_0); - - /* Register SDHC */ - imx31_add_mxc_mmc(0, &sdhc_pdata); - - /* Register FB */ - imx31_add_ipu_core(&mx3_ipu_data); - imx31_add_mx3_sdc_fb(&mx3fb_pdata); - - /* Register NOR Flash */ - mxc_register_device(&armadillo5x0_nor_flash, - &armadillo5x0_nor_flash_pdata); - - /* Register NAND Flash */ - imx31_add_mxc_nand(&armadillo5x0_nand_board_info); - - /* set NAND page size to 2k if not configured via boot mode pins */ - __raw_writel(__raw_readl(MXC_CCM_RCSR) | (1 << 30), MXC_CCM_RCSR); - - /* RTC */ - /* Get RTC IRQ and register the chip */ - if (gpio_request(ARMADILLO5X0_RTC_GPIO, "rtc") == 0) { - if (gpio_direction_input(ARMADILLO5X0_RTC_GPIO) == 0) - armadillo5x0_i2c_rtc.irq = gpio_to_irq(ARMADILLO5X0_RTC_GPIO); - else - gpio_free(ARMADILLO5X0_RTC_GPIO); - } - if (armadillo5x0_i2c_rtc.irq == 0) - pr_warning("armadillo5x0_init: failed to get RTC IRQ\n"); - i2c_register_board_info(1, &armadillo5x0_i2c_rtc, 1); - - /* USB */ - - usbotg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS | - ULPI_OTG_DRVVBUS_EXT); - if (usbotg_pdata.otg) - imx31_add_mxc_ehci_otg(&usbotg_pdata); - usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS | - ULPI_OTG_DRVVBUS_EXT); - if (usbh2_pdata.otg) - imx31_add_mxc_ehci_hs(2, &usbh2_pdata); -} - -static void __init armadillo5x0_timer_init(void) -{ - mx31_clocks_init(26000000); -} - -static struct sys_timer armadillo5x0_timer = { - .init = armadillo5x0_timer_init, -}; - -MACHINE_START(ARMADILLO5X0, "Armadillo-500") - /* Maintainer: Alberto Panizzo */ - .boot_params = MX3x_PHYS_OFFSET + 0x100, - .map_io = mx31_map_io, - .init_early = imx31_init_early, - .init_irq = mx31_init_irq, - .timer = &armadillo5x0_timer, - .init_machine = armadillo5x0_init, -MACHINE_END |