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PKGBUILDs/core/kernel26-olinuxino/imx233-olinuxino.patch
Kiril Zyapkov 1bc1ebf8a2 Add olinuxino support packages
2012-07-14 22:54:21 +03:00

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21 KiB
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imx233-olinuxino: add machine configuration support
This includes the board support on the kernel.
Upstream-Status: Pending
Signed-off-by: Raivis Rengelis <raivis@rrkb.lv>
diff -rupN linux-2.6.31.orig/arch/arm/mach-mx23/device.c linux-2.6.31/arch/arm/mach-mx23/device.c
--- linux-2.6.31.orig/arch/arm/mach-mx23/device.c 2012-04-09 19:25:44.278144145 +0300
+++ linux-2.6.31/arch/arm/mach-mx23/device.c 2012-04-09 20:00:49.704584387 +0300
@@ -45,6 +45,7 @@
#include "device.h"
#include "mx23_pins.h"
#include "mx23evk.h"
+#include "imx233_olinuxino.h"
#include "mach/mx23.h"
#if defined(CONFIG_SERIAL_MXS_DUART) || \
diff -rupN linux-2.6.31.orig/arch/arm/mach-mx23/imx233_olinuxino.c linux-2.6.31/arch/arm/mach-mx23/imx233_olinuxino.c
--- linux-2.6.31.orig/arch/arm/mach-mx23/imx233_olinuxino.c 1970-01-01 03:00:00.000000000 +0300
+++ linux-2.6.31/arch/arm/mach-mx23/imx233_olinuxino.c 2012-04-09 20:10:26.315443645 +0300
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2012 RRKB IK, Raivis Rengelis, raivis@rrkb.lv
+ * Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * 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/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/spi/spi.h>
+
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include <mach/hardware.h>
+#include <mach/device.h>
+#include <mach/pinctrl.h>
+#include <mach/regs-ocotp.h>
+
+#include "device.h"
+#include "imx233_olinuxino.h"
+#include "mx23_pins.h"
+
+static void __init fixup_board(struct machine_desc *desc, struct tag *tags,
+ char **cmdline, struct meminfo *mi)
+{
+ mx23_set_input_clk(24000000, 24000000, 32000, 50000000);
+}
+
+#if defined(CONFIG_SND_MXS_SOC_ADC) || defined(CONFIG_SND_MXS_SOC_ADC_MODULE)
+static void __init imx233_olinuxino_init_adc(void)
+{
+ struct platform_device *pdev;
+ pdev = mxs_get_device("mxs-adc", 0);
+ if (pdev == NULL)
+ return;
+ mxs_add_device(pdev, 3);
+}
+#else
+static void __init imx233_olinuxino_init_adc(void)
+{
+
+}
+#endif
+
+static void __init imx233_olinuxino_device_init(void)
+{
+ imx233_olinuxino_init_adc();
+}
+
+
+static void __init imx233_olinuxino_init_machine(void)
+{
+ mx23_pinctrl_init();
+
+ /* Init iram allocate */
+#ifdef CONFIG_VECTORS_PHY_ADDR
+ /* reserve the first page for irq vectors table*/
+ iram_init(MX23_OCRAM_PHBASE + PAGE_SIZE, MX23_OCRAM_SIZE - PAGE_SIZE);
+#else
+ iram_init(MX23_OCRAM_PHBASE, MX23_OCRAM_SIZE);
+#endif
+
+ mx23_gpio_init();
+ imx233_olinuxino_pins_init();
+ mx23_device_init();
+ imx233_olinuxino_device_init();
+}
+
+MACHINE_START(IMX233_OLINUXINO, "iMX233-OLinuXino low cost board")
+ .phys_io = 0x80000000,
+ .io_pg_offst = ((0xf0000000) >> 18) & 0xfffc,
+ .boot_params = 0x40000100,
+ .fixup = fixup_board,
+ .map_io = mx23_map_io,
+ .init_irq = mx23_irq_init,
+ .init_machine = imx233_olinuxino_init_machine,
+ .timer = &mx23_timer.timer,
+MACHINE_END
diff -rupN linux-2.6.31.orig/arch/arm/mach-mx23/imx233_olinuxino.h linux-2.6.31/arch/arm/mach-mx23/imx233_olinuxino.h
--- linux-2.6.31.orig/arch/arm/mach-mx23/imx233_olinuxino.h 1970-01-01 03:00:00.000000000 +0300
+++ linux-2.6.31/arch/arm/mach-mx23/imx233_olinuxino.h 2012-04-10 12:14:33.630292991 +0300
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2012 RRKB IK, Raivis Rengelis, raivis@rrkb.lv
+ * Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * 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.
+ */
+
+#ifndef __ASM_ARM_MACH_IMX233_OLINUXINO_H
+#define __ASM_ARM_MACH_IMX233_OLINUXINO_H
+
+extern void __init imx233_olinuxino_pins_init(void);
+extern int mxs_mmc_hw_init_mmc0(void);
+extern int mxs_mmc_get_wp_mmc0(void);
+extern void mxs_mmc_hw_release_mmc0(void);
+extern void mxs_mmc_cmd_pullup_mmc0(int enable);
+
+#endif /* __ASM_ARM_MACH_IMX233_OLINUXINO_H */
diff -rupN linux-2.6.31.orig/arch/arm/mach-mx23/imx233_olinuxino_pins.c linux-2.6.31/arch/arm/mach-mx23/imx233_olinuxino_pins.c
--- linux-2.6.31.orig/arch/arm/mach-mx23/imx233_olinuxino_pins.c 1970-01-01 03:00:00.000000000 +0300
+++ linux-2.6.31/arch/arm/mach-mx23/imx233_olinuxino_pins.c 2012-04-20 20:07:11.618237832 +0300
@@ -0,0 +1,638 @@
+/*
+ * Copyright (C) 2012 RRKB IK, Raivis Rengelis, raivis@rrkb.lv
+ * Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * 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/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+
+#include <mach/pinctrl.h>
+
+#include "mx23_pins.h"
+
+static struct pin_desc imx233_olinuxino_fixed_pins[] = {
+ {
+ .name = "DUART.RX",
+ .id = PINID_PWM0,
+ .fun = PIN_FUN3,
+ },
+ {
+ .name = "DUART.TX",
+ .id = PINID_PWM1,
+ .fun = PIN_FUN3,
+ },
+#ifdef CONFIG_MXS_AUART1_DEVICE_ENABLE
+ {
+ .name = "AUART1.RX",
+ .id = PINID_I2C_SDA,
+ .fun = PIN_FUN3,
+ },
+ {
+ .name = "AUART1.TX",
+ .id = PINID_I2C_SCL,
+ .fun = PIN_FUN3,
+ },
+#else
+ {
+ .name = "UEXT.4",
+ .id = PINID_I2C_SDA,
+ .fun = PIN_GPIO,
+ .voltage = PAD_3_3V,
+ .strength = PAD_8MA,
+ .drive = 1,
+ },
+ {
+ .name = "UEXT.3",
+ .id = PINID_I2C_SCL,
+ .fun = PIN_GPIO,
+ .voltage = PAD_3_3V,
+ .strength = PAD_8MA,
+ .drive = 1,
+ },
+#endif
+
+#if defined(CONFIG_I2C_MXS) || \
+ defined(CONFIG_I2C_MXS_MODULE)
+ {
+ .name = "I2C_SCL",
+ .id = PINID_LCD_ENABLE,
+ .fun = PIN_FUN2,
+ .strength = PAD_4MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "I2C_SDA",
+ .id = PINID_LCD_HSYNC,
+ .fun = PIN_FUN2,
+ .strength = PAD_4MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+#else
+ {
+ .name = "UEXT.5",
+ .id = PINID_LCD_ENABLE,
+ .fun = PIN_GPIO,
+ .voltage = PAD_3_3V,
+ .strength = PAD_12MA,
+ .drive = 1,
+ },
+ {
+ .name = "UEXT.6",
+ .id = PINID_LCD_HSYNC,
+ .fun = PIN_GPIO,
+ .voltage = PAD_3_3V,
+ .strength = PAD_12MA,
+ .drive = 1,
+ },
+#endif
+#if defined(CONFIG_FB_MXS) || defined(CONFIG_FB_MXS_MODULE)
+ {
+ .name = "LCD_D00",
+ .id = PINID_LCD_D00,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D01",
+ .id = PINID_LCD_D01,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D02",
+ .id = PINID_LCD_D02,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D03",
+ .id = PINID_LCD_D03,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D04",
+ .id = PINID_LCD_D04,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D05",
+ .id = PINID_LCD_D05,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D06",
+ .id = PINID_LCD_D06,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D07",
+ .id = PINID_LCD_D07,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_RESET",
+ .id = PINID_LCD_RESET,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_VSYNC",
+ .id = PINID_LCD_VSYNC,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_HSYNC",
+ .id = PINID_LCD_HSYNC,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_ENABLE",
+ .id = PINID_LCD_ENABLE,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_DOTCLK",
+ .id = PINID_LCD_DOTCK,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+#else
+ {
+ .name = "GPIO.35",
+ .id = PINID_LCD_D00,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "GPIO.33",
+ .id = PINID_LCD_D01,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "GPIO.31",
+ .id = PINID_LCD_D02,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "GPIO.29",
+ .id = PINID_LCD_D03,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "GPIO.27",
+ .id = PINID_LCD_D04,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "GPIO.25",
+ .id = PINID_LCD_D05,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "GPIO.23",
+ .id = PINID_LCD_D06,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "GPIO.21",
+ .id = PINID_LCD_D07,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "GPIO.14",
+ .id = PINID_LCD_RESET,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "GPIO.08",
+ .id = PINID_LCD_VSYNC,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "GPIO.06",
+ .id = PINID_LCD_DOTCK,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+#endif
+ {
+ .name = "GPIO.30",
+ .id = PINID_GPMI_CE0N,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "GPIO.28",
+ .id = PINID_GPMI_CE1N,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "GPIO.26",
+ .id = PINID_GPMI_WPN,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "GPIO.24",
+ .id = PINID_GPMI_RDN,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "UEXT.9",
+ .id = PINID_GPMI_WRN,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "UEXT.10",
+ .id = PINID_GPMI_RDY0,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "UEXT.8",
+ .id = PINID_GPMI_RDY1,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "GPIO.04",
+ .id = PINID_GPMI_ALE,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ .output = 1,
+ .data = 1,
+ },
+ {
+ .name = "GPIO.03",
+ .id = PINID_GPMI_CLE,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "GPIO.05",
+ .id = PINID_GPMI_D07,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "GPIO.07",
+ .id = PINID_GPMI_D06,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "GPIO.09",
+ .id = PINID_GPMI_D05,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "GPIO.11",
+ .id = PINID_GPMI_D04,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "GPIO.13",
+ .id = PINID_GPMI_D03,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "GPIO.15",
+ .id = PINID_GPMI_D02,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "GPIO.17",
+ .id = PINID_GPMI_D01,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "GPIO.19",
+ .id = PINID_GPMI_D00,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "GPIO.16",
+ .id = PINID_LCD_WR,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "GPIO.18",
+ .id = PINID_LCD_RS,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "GPIO.20",
+ .id = PINID_LCD_CS,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+#if defined(CONFIG_MMC_MXS_NODETECT)
+ {
+ .name = "LED1",
+ .id = PINID_SSP1_DETECT,
+ .fun = PIN_GPIO,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ .output = 1,
+ .data = 1,
+ },
+#endif
+};
+
+#if defined(CONFIG_MMC_MXS) || defined(CONFIG_MMC_MXS_MODULE)
+static struct pin_desc imx233_olinuxino_mmc_pins[] = {
+ /* Configurations of SSP0 SD/MMC port pins */
+ {
+ .name = "SSP1_DATA0",
+ .id = PINID_SSP1_DATA0,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SSP1_DATA1",
+ .id = PINID_SSP1_DATA1,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SSP1_DATA2",
+ .id = PINID_SSP1_DATA2,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SSP1_DATA3",
+ .id = PINID_SSP1_DATA3,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SSP1_CMD",
+ .id = PINID_SSP1_CMD,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SSP1_SCK",
+ .id = PINID_SSP1_SCK,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = 1,
+ .pull = 0,
+ },
+};
+#endif
+
+static void mxs_request_pins(struct pin_desc *pins, int nr)
+{
+ int i;
+ struct pin_desc *pin;
+
+ /* configure the pins */
+ for (i = 0; i < nr; i++) {
+ pin = &pins[i];
+ if (pin->fun == PIN_GPIO)
+ {
+ gpio_request(MXS_PIN_TO_GPIO(pin->id), pin->name);
+ gpio_export(MXS_PIN_TO_GPIO(pin->id), true);
+ }
+ else
+ mxs_request_pin(pin->id, pin->fun, pin->name);
+ if (pin->drive) {
+ mxs_set_strength(pin->id, pin->strength, pin->name);
+ mxs_set_voltage(pin->id, pin->voltage, pin->name);
+ }
+ if (pin->pull)
+ mxs_set_pullup(pin->id, pin->pullup, pin->name);
+ if (pin->fun == PIN_GPIO) {
+ if (pin->output)
+ gpio_direction_output(MXS_PIN_TO_GPIO(pin->id),
+ pin->data);
+ else
+ gpio_direction_input(MXS_PIN_TO_GPIO(pin->id));
+ }
+ }
+}
+
+static void mxs_release_pins(struct pin_desc *pins, int nr)
+{
+ int i;
+ struct pin_desc *pin;
+
+ /* release the pins */
+ for (i = 0; i < nr; i++) {
+ pin = &pins[i];
+ if (pin->fun == PIN_GPIO)
+ gpio_free(MXS_PIN_TO_GPIO(pin->id));
+ else
+ mxs_release_pin(pin->id, pin->name);
+ }
+}
+
+#if defined(CONFIG_MMC_MXS) || defined(CONFIG_MMC_MXS_MODULE)
+int mxs_mmc_hw_init_mmc0(void)
+{
+ int ret = 0;
+
+ mxs_request_pins(imx233_olinuxino_mmc_pins, ARRAY_SIZE(imx233_olinuxino_mmc_pins));
+ mdelay(100);
+
+ return 0;
+}
+
+int mxs_mmc_get_wp_mmc0(void)
+{
+ return 0;
+}
+
+void mxs_mmc_hw_release_mmc0(void)
+{
+ mxs_release_pins(imx233_olinuxino_mmc_pins, ARRAY_SIZE(imx233_olinuxino_mmc_pins));
+}
+
+void mxs_mmc_cmd_pullup_mmc0(int enable)
+{
+ mxs_set_pullup(PINID_SSP1_CMD, enable, "mmc0_cmd");
+}
+#else
+int mxs_mmc_hw_init_mmc0(void)
+{
+ return 0;
+}
+
+int mxs_mmc_get_wp_mmc0(void)
+{
+}
+
+void mxs_mmc_hw_release_mmc0(void)
+{
+}
+
+void mxs_mmc_cmd_pullup_mmc0(int enable)
+{
+}
+#endif
+
+void __init imx233_olinuxino_pins_init(void)
+{
+ mxs_request_pins(imx233_olinuxino_fixed_pins, ARRAY_SIZE(imx233_olinuxino_fixed_pins));
+}
diff -rupN linux-2.6.31.orig/arch/arm/mach-mx23/Kconfig linux-2.6.31/arch/arm/mach-mx23/Kconfig
--- linux-2.6.31.orig/arch/arm/mach-mx23/Kconfig 2012-04-09 19:25:44.446144985 +0300
+++ linux-2.6.31/arch/arm/mach-mx23/Kconfig 2012-04-20 20:22:31.022796911 +0300
@@ -6,6 +6,13 @@ config MACH_MX23EVK
depends on ARCH_MX23
select USB_ARCH_HAS_EHCI
+config MACH_IMX233_OLINUXINO
+ bool "iMX233-OLinuXino low cost board"
+ depends on ARCH_MX23
+ select USB_ARCH_HAS_EHCI
+ select MMC_MXS
+ select MMC_MXS_NODETECT
+
endchoice
diff -rupN linux-2.6.31.orig/arch/arm/mach-mx23/Makefile linux-2.6.31/arch/arm/mach-mx23/Makefile
--- linux-2.6.31.orig/arch/arm/mach-mx23/Makefile 2012-04-09 19:25:44.350144508 +0300
+++ linux-2.6.31/arch/arm/mach-mx23/Makefile 2012-04-09 19:58:27.211877809 +0300
@@ -5,6 +5,7 @@ obj-y += pinctrl.o clock.o device.o seri
# Board select
obj-$(CONFIG_MACH_MX23EVK) += mx23evk.o mx23evk_pins.o
+obj-$(CONFIG_MACH_IMX233_OLINUXINO) += imx233_olinuxino.o imx233_olinuxino_pins.o
obj-$(CONFIG_GENERIC_GPIO) += gpio.o
obj-$(CONFIG_MXS_RAM_FREQ_SCALING) +=emi.o
obj-$(CONFIG_MXS_UNIQUE_ID_OTP) += otp.o
diff -rupN linux-2.6.31.orig/arch/arm/tools/mach-types linux-2.6.31/arch/arm/tools/mach-types
--- linux-2.6.31.orig/arch/arm/tools/mach-types 2012-04-09 19:25:41.182128849 +0300
+++ linux-2.6.31/arch/arm/tools/mach-types 2012-04-09 19:37:16.381576093 +0300
@@ -3257,3 +3257,4 @@ armadillo460 MACH_ARMADILLO460 ARMADILL
lq2 MACH_LQ2 LQ2 3271
sweda_tms2 MACH_SWEDA_TMS2 SWEDA_TMS2 3272
mx53_loco MACH_MX53_LOCO MX53_LOCO 3273
+imx233_olinuxino MACH_IMX233_OLINUXINO IMX233_OLINUXINO 4105
diff -rupN linux-2.6.31.orig/drivers/mmc/host/Kconfig linux-2.6.31/drivers/mmc/host/Kconfig
--- linux-2.6.31.orig/drivers/mmc/host/Kconfig 2012-04-09 19:24:49.213871096 +0300
+++ linux-2.6.31/drivers/mmc/host/Kconfig 2012-04-20 20:27:16.360211824 +0300
@@ -303,6 +303,14 @@ config MMC_MXS
If unsure, say N.
+config MMC_MXS_NODETECT
+ bool "Ignore card detection status on MXS MMC interface"
+ depends on MMC_MXS
+ help
+ This disables card presence detection in MXS MMC slot.
+ If only boot device is MMC card and/or you want to use
+ SSP_DETECT pin as GPIO, say Y here.
+
config MMC_S3C
tristate "Samsung S3C SD/MMC Card Interface support"
depends on ARCH_S3C2410
diff -rupN linux-2.6.31.orig/drivers/mmc/host/mxs-mmc.c linux-2.6.31/drivers/mmc/host/mxs-mmc.c
--- linux-2.6.31.orig/drivers/mmc/host/mxs-mmc.c 2012-04-09 19:24:49.177870911 +0300
+++ linux-2.6.31/drivers/mmc/host/mxs-mmc.c 2012-04-20 20:07:20.570282222 +0300
@@ -155,8 +155,12 @@ static int mxs_mmc_get_ro(struct mmc_hos
/* Detect if card is plugged */
static inline int mxs_mmc_is_plugged(struct mxs_mmc_host *host)
{
+#if defined(CONFIG_MMC_MXS_NODETECT)
+ return 1;
+#else
u32 status = __raw_readl(host->ssp_base + HW_SSP_STATUS);
return !(status & BM_SSP_STATUS_CARD_DETECT);
+#endif
}
/* Card detection polling function */
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