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Release 4.17 arch/arm/mach-imx/mach-armadillo5x0.c

/*
 * 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 <linux/regulator/machine.h>
#include <linux/regulator/fixed.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 "common.h"
#include "devices-imx31.h"
#include "crmregs-imx3.h"
#include "ehci.h"
#include "hardware.h"
#include "iomux-mx3.h"
#include "ulpi.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; }

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PersonTokensPropCommitsCommitProp
Alberto Panizzo18092.31%150.00%
Sascha Hauer157.69%150.00%
Total195100.00%2100.00%


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; }

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PersonTokensPropCommitsCommitProp
Alberto Panizzo24194.14%150.00%
Sascha Hauer155.86%150.00%
Total256100.00%2100.00%

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 const struct physmap_flash_data armadillo5x0_nor_flash_pdata __initconst = { .width = 2, .parts = armadillo5x0_nor_flash_partitions, .nr_parts = ARRAY_SIZE(armadillo5x0_nor_flash_partitions), }; static const struct resource armadillo5x0_nor_flash_resource __initconst = { .flags = IORESOURCE_MEM, .start = MX31_CS0_BASE_ADDR, .end = MX31_CS0_BASE_ADDR + SZ_64M - 1, }; /* * 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 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)); }

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Alberto Panizzo20100.00%1100.00%
Total20100.00%1100.00%


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(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_ATA_DMACK)), detect_irq, 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; }

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Alberto Panizzo12796.95%150.00%
Shawn Guo43.05%150.00%
Total131100.00%2100.00%


static void armadillo5x0_sdhc1_exit(struct device *dev, void *data) { free_irq(gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_ATA_DMACK)), data); gpio_free(IOMUX_TO_GPIO(MX31_PIN_ATA_DMACK)); gpio_free(IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B)); }

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PersonTokensPropCommitsCommitProp
Alberto Panizzo4090.91%150.00%
Shawn Guo49.09%150.00%
Total44100.00%2100.00%

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, }, { /* irq number is run-time assigned */ .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, }; static struct regulator_consumer_supply dummy_supplies[] = { REGULATOR_SUPPLY("vdd33a", "smsc911x"), REGULATOR_SUPPLY("vddvario", "smsc911x"), }; /* * Perform board specific initializations */
static void __init armadillo5x0_init(void) { imx31_soc_init(); mxc_iomux_setup_multiple_pins(armadillo5x0_pins, ARRAY_SIZE(armadillo5x0_pins), "armadillo5x0"); regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); imx31_add_imx_i2c1(NULL); /* Register UART */ imx31_add_imx_uart0(&uart_pdata); imx31_add_imx_uart1(&uart_pdata); /* Register FB */ imx31_add_ipu_core(); imx31_add_mx3_sdc_fb(&mx3fb_pdata); /* Register NOR Flash */ platform_device_register_resndata(NULL, "physmap-flash", -1, &armadillo5x0_nor_flash_resource, 1, &armadillo5x0_nor_flash_pdata, sizeof(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 */ imx_writel(imx_readl(mx3_ccm_base + MXC_CCM_RCSR) | (1 << 30), mx3_ccm_base + MXC_CCM_RCSR); }

Contributors

PersonTokensPropCommitsCommitProp
Alberto Panizzo6656.90%321.43%
Uwe Kleine-König2723.28%535.71%
Fabio Estevam1613.79%214.29%
Shawn Guo43.45%214.29%
Johannes Berg21.72%17.14%
Vladimir Zapolskiy10.86%17.14%
Total116100.00%14100.00%


static void __init armadillo5x0_late(void) { armadillo5x0_smc911x_resources[1].start = gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_0)); armadillo5x0_smc911x_resources[1].end = gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_0)); platform_add_devices(devices, ARRAY_SIZE(devices)); imx_add_gpio_keys(&armadillo5x0_button_data); /* SMSC9118 IRQ pin */ gpio_direction_input(MX31_PIN_GPIO1_0); /* Register SDHC */ imx31_add_mxc_mmc(0, &sdhc_pdata); /* RTC */ /* Get RTC IRQ and register the chip */ if (!gpio_request(ARMADILLO5X0_RTC_GPIO, "rtc")) { if (!gpio_direction_input(ARMADILLO5X0_RTC_GPIO)) armadillo5x0_i2c_rtc.irq = gpio_to_irq(ARMADILLO5X0_RTC_GPIO); else gpio_free(ARMADILLO5X0_RTC_GPIO); } if (armadillo5x0_i2c_rtc.irq == 0) pr_warn("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); }

Contributors

PersonTokensPropCommitsCommitProp
Alberto Panizzo8145.25%337.50%
Vladimir Zapolskiy7139.66%112.50%
Sascha Hauer2011.17%112.50%
Igor Grinberg42.23%112.50%
Uwe Kleine-König21.12%112.50%
Joe Perches10.56%112.50%
Total179100.00%8100.00%


static void __init armadillo5x0_timer_init(void) { mx31_clocks_init(26000000); }

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PersonTokensPropCommitsCommitProp
Alberto Panizzo14100.00%1100.00%
Total14100.00%1100.00%

MACHINE_START(ARMADILLO5X0, "Armadillo-500") /* Maintainer: Alberto Panizzo */ .atag_offset = 0x100, .map_io = mx31_map_io, .init_early = imx31_init_early, .init_irq = mx31_init_irq, .init_time = armadillo5x0_timer_init, .init_machine = armadillo5x0_init, .init_late = armadillo5x0_late, .restart = mxc_restart, MACHINE_END

Overall Contributors

PersonTokensPropCommitsCommitProp
Alberto Panizzo174286.75%923.68%
Vladimir Zapolskiy773.83%12.63%
Uwe Kleine-König552.74%1128.95%
Sascha Hauer512.54%37.89%
Fabio Estevam442.19%25.26%
Shawn Guo241.20%615.79%
Russell King50.25%12.63%
Igor Grinberg40.20%12.63%
Stephen Warren20.10%12.63%
Johannes Berg20.10%12.63%
Joe Perches10.05%12.63%
Nico Pitre10.05%12.63%
Total2008100.00%38100.00%
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