146 lines
4.1 KiB
C
146 lines
4.1 KiB
C
/*
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* (C) Copyright 2012 Fadil Berisha, <fadil.r.berisha@gmail.com>
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* based on falconwing.c & mx23-evk.c
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*
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* (C) Copyright 2010 Juergen Beisert - Pengutronix
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* (C) Copyright 2011 Wolfram Sang - Pengutronix
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <common.h>
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#include <init.h>
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#include <gpio.h>
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#include <environment.h>
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#include <envfs.h>
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#include <errno.h>
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#include <mci.h>
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#include <asm/armlinux.h>
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#include <usb/ehci.h>
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#include <mach/usb.h>
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#include <generated/mach-types.h>
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#include <mach/imx-regs.h>
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#include <mach/clock.h>
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#include <mach/mci.h>
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#include <mach/iomux.h>
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static struct mxs_mci_platform_data mci_pdata = {
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.caps = MMC_CAP_4_BIT_DATA | MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED,
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.voltages = MMC_VDD_32_33 | MMC_VDD_33_34, /* fixed to 3.3 V */
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.f_min = 400000,
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};
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static const uint32_t pad_setup[] = {
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/* debug port */
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PWM1_DUART_TX | STRENGTH(S4MA), /* PWM0/DUART_TXD - U_DEBUG PIN 2 */
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PWM0_DUART_RX | STRENGTH(S4MA), /* PWM0/DUART_RXD - U_DEBUG PIN 1 */
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/* auart */
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I2C_SDA_AUART1_RX | STRENGTH(S4MA),
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I2C_CLK_AUART1_TX | STRENGTH(S4MA),
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/* lcd */
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LCD_D17 | STRENGTH(S12MA), /*PIN18/LCD_D17 - GPIO PIN 3 */
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LCD_D16 | STRENGTH(S12MA),
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LCD_D15 | STRENGTH(S12MA),
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LCD_D14 | STRENGTH(S12MA),
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LCD_D13 | STRENGTH(S12MA),
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LCD_D12 | STRENGTH(S12MA),
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LCD_D11 | STRENGTH(S12MA),
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LCD_D10 | STRENGTH(S12MA),
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LCD_D9 | STRENGTH(S12MA),
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LCD_D8 | STRENGTH(S12MA),
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LCD_D7 | STRENGTH(S12MA),
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LCD_D6 | STRENGTH(S12MA),
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LCD_D5 | STRENGTH(S12MA),
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LCD_D4 | STRENGTH(S12MA),
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LCD_D3 | STRENGTH(S12MA),
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LCD_D2 | STRENGTH(S12MA), /* PIN3/LCD_D02 - GPIO PIN 31*/
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LCD_D1 | STRENGTH(S12MA), /* PIN2/LCD_D01 - GPIO PIN 33*/
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LCD_D0 | STRENGTH(S12MA), /* PIN1/LCD_D00 - GPIO PIN 35*/
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LCD_CS, /* PIN26/LCD_CS - GPIO PIN 20*/
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LCD_RS, /* PIN25/LCD_RS - GPIO PIN 18*/
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LCD_WR, /* PIN24/LCD_WR - GPIO PIN 16*/
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LCD_RESET, /* PIN23/LCD_DISP - GPIO PIN 14*/
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LCD_ENABE | STRENGTH(S12MA), /* PIN22/LCD_EN/I2C_SCL - GPIO PIN 12*/
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LCD_VSYNC | STRENGTH(S12MA), /* PIN21/LCD_HSYNC/I2C_SDA- GPIO PIN 10*/
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LCD_HSYNC | STRENGTH(S12MA), /* PIN20/LCD_VSYNC - GPIO PIN 8*/
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LCD_DOTCLOCK | STRENGTH(S12MA), /* PIN19/LCD_DOTCLK - GPIO PIN 6*/
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/* SD card interface */
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SSP1_DATA0 | PULLUP(1),
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SSP1_DATA1 | PULLUP(1),
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SSP1_DATA2 | PULLUP(1),
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SSP1_DATA3 | PULLUP(1),
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SSP1_SCK,
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SSP1_CMD | PULLUP(1),
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SSP1_DETECT | PULLUP(1),
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/* led */
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SSP1_DETECT_GPIO | GPIO_OUT | GPIO_VALUE(1),
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/* gpio - USB hub LAN9512-JZX*/
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GPMI_ALE_GPIO | GPIO_OUT | GPIO_VALUE(1),
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};
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static int imx23_olinuxino_mem_init(void)
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{
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arm_add_mem_device("ram0", IMX_MEMORY_BASE, 64 * 1024 * 1024);
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return 0;
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}
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mem_initcall(imx23_olinuxino_mem_init);
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static void olinuxino_init_usb(void)
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{
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imx23_usb_phy_enable();
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add_generic_usb_ehci_device(DEVICE_ID_DYNAMIC, IMX_USB_BASE, NULL);
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}
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static int imx23_olinuxino_devices_init(void)
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{
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int i;
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/* initizalize gpios */
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for (i = 0; i < ARRAY_SIZE(pad_setup); i++)
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imx_gpio_mode(pad_setup[i]);
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armlinux_set_architecture(MACH_TYPE_IMX233_OLINUXINO);
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add_generic_device("mxs_mci", DEVICE_ID_DYNAMIC, NULL, IMX_SSP1_BASE,
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0x8000, IORESOURCE_MEM, &mci_pdata);
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olinuxino_init_usb();
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default_environment_path_set("/dev/disk0.1");
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return 0;
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}
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device_initcall(imx23_olinuxino_devices_init);
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static int imx23_olinuxino_console_init(void)
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{
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barebox_set_model("Olimex.ltd imx233-olinuxino");
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barebox_set_hostname("imx233-olinuxino");
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add_generic_device("stm_serial", 0, NULL, IMX_DBGUART_BASE, 8192,
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IORESOURCE_MEM, NULL);
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return 0;
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}
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console_initcall(imx23_olinuxino_console_init);
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