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meta-freescale-3rdparty/recipes-kernel/linux/linux-imx-2.6.35.3/imx233-olinuxino.patch
Otavio Salvador a2392c91f9 linux-imx (2.6.35.3): update imx233-olinux.patch to Freescale's 10.12.01 branch 
The Freescale's branch for mxs SoC family is based on 10.12.01 BSP and
the patch needed some changes to apply properly. The patch has been
updated based on this branch.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
2012-08-07 10:36:28 -03:00

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From: Otavio Salvador <otavio@ossystems.com.br>
Subject: [PATCH] Include iMX233-OlinuXino support
This patch is based on imx_2.6.35_10.12.01 branch of Freescale GIT
repository and based on Raivis' original patch.
Upstream-Status: Applied
Signed-off-by: Raivis Rengelis <raivis@rrkb.lv>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
---
arch/arm/mach-mx23/Kconfig | 7 +
arch/arm/mach-mx23/Makefile | 1 +
arch/arm/mach-mx23/device.c | 1 +
arch/arm/mach-mx23/imx233_olinuxino.c | 96 +++++
arch/arm/mach-mx23/imx233_olinuxino.h | 29 ++
arch/arm/mach-mx23/imx233_olinuxino_pins.c | 638 ++++++++++++++++++++++++++++
arch/arm/tools/mach-types | 1 +
drivers/mmc/host/Kconfig | 8 +
drivers/mmc/host/mxs-mmc.c | 4 +
9 files changed, 785 insertions(+)
create mode 100644 arch/arm/mach-mx23/imx233_olinuxino.c
create mode 100644 arch/arm/mach-mx23/imx233_olinuxino.h
create mode 100644 arch/arm/mach-mx23/imx233_olinuxino_pins.c
diff --git a/arch/arm/mach-mx23/Kconfig b/arch/arm/mach-mx23/Kconfig
index 28009b0..0ebaf29 100644
--- a/arch/arm/mach-mx23/Kconfig
+++ b/arch/arm/mach-mx23/Kconfig
@@ -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 --git a/arch/arm/mach-mx23/Makefile b/arch/arm/mach-mx23/Makefile
index a5e2781..2a39dac 100644
--- a/arch/arm/mach-mx23/Makefile
+++ b/arch/arm/mach-mx23/Makefile
@@ -5,6 +5,7 @@ obj-y += pinctrl.o clock.o device.o serial.o power.o pm.o sleep.o bus_freq.o
# 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 --git a/arch/arm/mach-mx23/device.c b/arch/arm/mach-mx23/device.c
index 8352540..0f5f659 100644
--- a/arch/arm/mach-mx23/device.c
+++ b/arch/arm/mach-mx23/device.c
@@ -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 --git a/arch/arm/mach-mx23/imx233_olinuxino.c b/arch/arm/mach-mx23/imx233_olinuxino.c
new file mode 100644
index 0000000..e08ccdc
--- /dev/null
+++ b/arch/arm/mach-mx23/imx233_olinuxino.c
@@ -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 --git a/arch/arm/mach-mx23/imx233_olinuxino.h b/arch/arm/mach-mx23/imx233_olinuxino.h
new file mode 100644
index 0000000..e16f28e
--- /dev/null
+++ b/arch/arm/mach-mx23/imx233_olinuxino.h
@@ -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 --git a/arch/arm/mach-mx23/imx233_olinuxino_pins.c b/arch/arm/mach-mx23/imx233_olinuxino_pins.c
new file mode 100644
index 0000000..fe4d372
--- /dev/null
+++ b/arch/arm/mach-mx23/imx233_olinuxino_pins.c
@@ -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 --git a/arch/arm/tools/mach-types b/arch/arm/tools/mach-types
index b969419..59367c2 100644
--- a/arch/arm/tools/mach-types
+++ b/arch/arm/tools/mach-types
@@ -2614,6 +2614,7 @@ qsd8x50a_st1_1 MACH_QSD8X50A_ST1_1 QSD8X50A_ST1_1 2626
qsd8x50a_st1_5 MACH_QSD8X50A_ST1_5 QSD8X50A_ST1_5 2627
bee MACH_BEE BEE 2628
mx23evk MACH_MX23EVK MX23EVK 2629
+imx233_olinuxino MACH_IMX233_OLINUXINO IMX233_OLINUXINO 4105
ap4evb MACH_AP4EVB AP4EVB 2630
stockholm MACH_STOCKHOLM STOCKHOLM 2631
lpc_h3131 MACH_LPC_H3131 LPC_H3131 2632
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index 951f1fd..4d7846f 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -366,6 +366,14 @@ 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 --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c
index c8945ee..65e7fe0 100644
--- a/drivers/mmc/host/mxs-mmc.c
+++ b/drivers/mmc/host/mxs-mmc.c
@@ -160,8 +160,12 @@ static int mxs_mmc_get_ro(struct mmc_host *mmc)
/* 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
}
static void mxs_mmc_reset(struct mxs_mmc_host *host);
--
1.7.10.4
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