* [PATCH v6 1/4] ARM: mxs: add GPMI-NAND support for imx23/imx28
2011-07-08 5:28 [PATCH v6 0/4] add the GPMI-NAND support for imx23/imx28 Huang Shijie
@ 2011-07-08 5:28 ` Huang Shijie
2011-07-08 6:53 ` Uwe Kleine-König
2011-07-08 19:07 ` Wolfram Sang
2011-07-08 5:28 ` [PATCH v6 2/4] ARM: mxs: add new a pad control Huang Shijie
` (2 subsequent siblings)
3 siblings, 2 replies; 11+ messages in thread
From: Huang Shijie @ 2011-07-08 5:28 UTC (permalink / raw)
To: linux-arm-kernel
add GPMI-NAND support for imx23 and imx28.
Signed-off-by: Huang Shijie <b32955@freescale.com>
---
arch/arm/mach-mxs/clock-mx23.c | 1 +
arch/arm/mach-mxs/clock-mx28.c | 1 +
arch/arm/mach-mxs/devices-mx23.h | 4 +
arch/arm/mach-mxs/devices-mx28.h | 4 +
arch/arm/mach-mxs/devices/Kconfig | 3 +
arch/arm/mach-mxs/devices/Makefile | 1 +
arch/arm/mach-mxs/devices/platform-gpmi-nand.c | 108 +++++++++++++++++++++++
arch/arm/mach-mxs/include/mach/devices-common.h | 10 ++
arch/arm/mach-mxs/include/mach/gpmi-nand.h | 68 ++++++++++++++
9 files changed, 200 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-mxs/devices/platform-gpmi-nand.c
create mode 100644 arch/arm/mach-mxs/include/mach/gpmi-nand.h
diff --git a/arch/arm/mach-mxs/clock-mx23.c b/arch/arm/mach-mxs/clock-mx23.c
index 0163b6d..4300ce5 100644
--- a/arch/arm/mach-mxs/clock-mx23.c
+++ b/arch/arm/mach-mxs/clock-mx23.c
@@ -456,6 +456,7 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("mxs-pwm.3", NULL, pwm_clk)
_REGISTER_CLOCK("mxs-pwm.4", NULL, pwm_clk)
_REGISTER_CLOCK("imx23-fb", NULL, lcdif_clk)
+ _REGISTER_CLOCK("imx23-gpmi-nand", NULL, gpmi_clk)
};
static int clk_misc_init(void)
diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c
index 5dcc59d..dc2052c 100644
--- a/arch/arm/mach-mxs/clock-mx28.c
+++ b/arch/arm/mach-mxs/clock-mx28.c
@@ -614,6 +614,7 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("duart", NULL, uart_clk)
_REGISTER_CLOCK("imx28-fec.0", NULL, fec_clk)
_REGISTER_CLOCK("imx28-fec.1", NULL, fec_clk)
+ _REGISTER_CLOCK("imx28-gpmi-nand", NULL, gpmi_clk)
_REGISTER_CLOCK("mxs-auart.0", NULL, uart_clk)
_REGISTER_CLOCK("mxs-auart.1", NULL, uart_clk)
_REGISTER_CLOCK("mxs-auart.2", NULL, uart_clk)
diff --git a/arch/arm/mach-mxs/devices-mx23.h b/arch/arm/mach-mxs/devices-mx23.h
index c6f345f..ee8c525 100644
--- a/arch/arm/mach-mxs/devices-mx23.h
+++ b/arch/arm/mach-mxs/devices-mx23.h
@@ -21,6 +21,10 @@ extern const struct mxs_auart_data mx23_auart_data[] __initconst;
#define mx23_add_auart0() mx23_add_auart(0)
#define mx23_add_auart1() mx23_add_auart(1)
+extern const struct mxs_gpmi_nand_data mx23_gpmi_nand_data __initconst;
+#define mx23_add_gpmi_nand(pdata) \
+ mxs_add_gpmi_nand(pdata, &mx23_gpmi_nand_data)
+
extern const struct mxs_mxs_mmc_data mx23_mxs_mmc_data[] __initconst;
#define mx23_add_mxs_mmc(id, pdata) \
mxs_add_mxs_mmc(&mx23_mxs_mmc_data[id], pdata)
diff --git a/arch/arm/mach-mxs/devices-mx28.h b/arch/arm/mach-mxs/devices-mx28.h
index 79b9452..2953f0d 100644
--- a/arch/arm/mach-mxs/devices-mx28.h
+++ b/arch/arm/mach-mxs/devices-mx28.h
@@ -34,6 +34,10 @@ extern const struct mxs_flexcan_data mx28_flexcan_data[] __initconst;
#define mx28_add_flexcan0(pdata) mx28_add_flexcan(0, pdata)
#define mx28_add_flexcan1(pdata) mx28_add_flexcan(1, pdata)
+extern const struct mxs_gpmi_nand_data mx28_gpmi_nand_data __initconst;
+#define mx28_add_gpmi_nand(pdata) \
+ mxs_add_gpmi_nand(pdata, &mx28_gpmi_nand_data)
+
extern const struct mxs_mxs_i2c_data mx28_mxs_i2c_data[] __initconst;
#define mx28_add_mxs_i2c(id) mxs_add_mxs_i2c(&mx28_mxs_i2c_data[id])
diff --git a/arch/arm/mach-mxs/devices/Kconfig b/arch/arm/mach-mxs/devices/Kconfig
index acf9eea..a3bca3c 100644
--- a/arch/arm/mach-mxs/devices/Kconfig
+++ b/arch/arm/mach-mxs/devices/Kconfig
@@ -12,6 +12,9 @@ config MXS_HAVE_PLATFORM_FLEXCAN
select HAVE_CAN_FLEXCAN if CAN
bool
+config MXS_HAVE_PLATFORM_GPMI_NAND
+ bool
+
config MXS_HAVE_PLATFORM_MXS_I2C
bool
diff --git a/arch/arm/mach-mxs/devices/Makefile b/arch/arm/mach-mxs/devices/Makefile
index 351915c..7d26eb1 100644
--- a/arch/arm/mach-mxs/devices/Makefile
+++ b/arch/arm/mach-mxs/devices/Makefile
@@ -3,6 +3,7 @@ obj-$(CONFIG_MXS_HAVE_PLATFORM_AUART) += platform-auart.o
obj-y += platform-dma.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_FEC) += platform-fec.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_FLEXCAN) += platform-flexcan.o
+obj-$(CONFIG_MXS_HAVE_PLATFORM_GPMI_NAND) += platform-gpmi-nand.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_I2C) += platform-mxs-i2c.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_MMC) += platform-mxs-mmc.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_PWM) += platform-mxs-pwm.o
diff --git a/arch/arm/mach-mxs/devices/platform-gpmi-nand.c b/arch/arm/mach-mxs/devices/platform-gpmi-nand.c
new file mode 100644
index 0000000..ea381e2
--- /dev/null
+++ b/arch/arm/mach-mxs/devices/platform-gpmi-nand.c
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2011 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 <asm/sizes.h>
+#include <mach/mx23.h>
+#include <mach/mx28.h>
+#include <mach/devices-common.h>
+
+#ifdef CONFIG_SOC_IMX23
+const struct mxs_gpmi_nand_data mx23_gpmi_nand_data __initconst = {
+ .devid = "imx23-gpmi-nand",
+ .res = {
+ { /* GPMI */
+ .start = MX23_GPMI_BASE_ADDR,
+ .end = MX23_GPMI_BASE_ADDR + SZ_8K - 1,
+ .name = GPMI_NAND_GPMI_REGS_ADDR_RES_NAME,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = MX23_INT_GPMI_ATTENTION,
+ .end = MX23_INT_GPMI_ATTENTION,
+ .name = GPMI_NAND_GPMI_INTERRUPT_RES_NAME,
+ .flags = IORESOURCE_IRQ,
+ }, { /* BCH */
+ .start = MX23_BCH_BASE_ADDR,
+ .end = MX23_BCH_BASE_ADDR + SZ_8K - 1,
+ .name = GPMI_NAND_BCH_REGS_ADDR_RES_NAME,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = MX23_INT_BCH,
+ .end = MX23_INT_BCH,
+ .name = GPMI_NAND_BCH_INTERRUPT_RES_NAME,
+ .flags = IORESOURCE_IRQ,
+ }, { /* DMA */
+ .start = MX23_DMA_GPMI0,
+ .end = MX23_DMA_GPMI3,
+ .name = GPMI_NAND_DMA_CHANNELS_RES_NAME,
+ .flags = IORESOURCE_DMA,
+ }, {
+ .start = MX23_INT_GPMI_DMA,
+ .end = MX23_INT_GPMI_DMA,
+ .name = GPMI_NAND_DMA_INTERRUPT_RES_NAME,
+ .flags = IORESOURCE_IRQ,
+ },
+ },
+};
+#endif
+
+#ifdef CONFIG_SOC_IMX28
+const struct mxs_gpmi_nand_data mx28_gpmi_nand_data __initconst = {
+ .devid = "imx28-gpmi-nand",
+ .res = {
+ { /* GPMI */
+ .start = MX28_GPMI_BASE_ADDR,
+ .end = MX28_GPMI_BASE_ADDR + SZ_8K - 1,
+ .name = GPMI_NAND_GPMI_REGS_ADDR_RES_NAME,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = MX28_INT_GPMI,
+ .end = MX28_INT_GPMI,
+ .name = GPMI_NAND_GPMI_INTERRUPT_RES_NAME,
+ .flags = IORESOURCE_IRQ,
+ }, { /* BCH */
+ .start = MX28_BCH_BASE_ADDR,
+ .end = MX28_BCH_BASE_ADDR + SZ_8K - 1,
+ .name = GPMI_NAND_BCH_REGS_ADDR_RES_NAME,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = MX28_INT_BCH,
+ .end = MX28_INT_BCH,
+ .name = GPMI_NAND_BCH_INTERRUPT_RES_NAME,
+ .flags = IORESOURCE_IRQ,
+ }, { /* DMA */
+ .start = MX28_DMA_GPMI0,
+ .end = MX28_DMA_GPMI7,
+ .name = GPMI_NAND_DMA_CHANNELS_RES_NAME,
+ .flags = IORESOURCE_DMA,
+ }, {
+ .start = MX28_INT_GPMI_DMA,
+ .end = MX28_INT_GPMI_DMA,
+ .name = GPMI_NAND_DMA_INTERRUPT_RES_NAME,
+ .flags = IORESOURCE_IRQ,
+ },
+ },
+};
+#endif
+
+struct platform_device *__init
+mxs_add_gpmi_nand(const struct gpmi_nand_platform_data *pdata,
+ const struct mxs_gpmi_nand_data *data)
+{
+ return mxs_add_platform_device_dmamask(data->devid, -1,
+ data->res, RES_SIZE,
+ pdata, sizeof(*pdata), DMA_BIT_MASK(32));
+}
diff --git a/arch/arm/mach-mxs/include/mach/devices-common.h b/arch/arm/mach-mxs/include/mach/devices-common.h
index 812d7a8..03b1f65 100644
--- a/arch/arm/mach-mxs/include/mach/devices-common.h
+++ b/arch/arm/mach-mxs/include/mach/devices-common.h
@@ -66,6 +66,16 @@ struct platform_device *__init mxs_add_flexcan(
const struct mxs_flexcan_data *data,
const struct flexcan_platform_data *pdata);
+/* gpmi-nand */
+#include <mach/gpmi-nand.h>
+struct mxs_gpmi_nand_data {
+ const char *devid;
+ const struct resource res[RES_SIZE];
+};
+struct platform_device *__init
+mxs_add_gpmi_nand(const struct gpmi_nand_platform_data *pdata,
+ const struct mxs_gpmi_nand_data *data);
+
/* i2c */
struct mxs_mxs_i2c_data {
int id;
diff --git a/arch/arm/mach-mxs/include/mach/gpmi-nand.h b/arch/arm/mach-mxs/include/mach/gpmi-nand.h
new file mode 100644
index 0000000..f1cf565
--- /dev/null
+++ b/arch/arm/mach-mxs/include/mach/gpmi-nand.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2011 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 __MACH_MXS_GPMI_NAND_H__
+#define __MACH_MXS_GPMI_NAND_H__
+
+/* The size of the resource is fixed. */
+#define RES_SIZE 6
+
+/* Resource names for the GPMI NAND driver. */
+#define GPMI_NAND_GPMI_REGS_ADDR_RES_NAME "GPMI NAND GPMI Registers"
+#define GPMI_NAND_GPMI_INTERRUPT_RES_NAME "GPMI NAND GPMI Interrupt"
+#define GPMI_NAND_BCH_REGS_ADDR_RES_NAME "GPMI NAND BCH Registers"
+#define GPMI_NAND_BCH_INTERRUPT_RES_NAME "GPMI NAND BCH Interrupt"
+#define GPMI_NAND_DMA_CHANNELS_RES_NAME "GPMI NAND DMA Channels"
+#define GPMI_NAND_DMA_INTERRUPT_RES_NAME "GPMI NAND DMA Interrupt"
+
+/**
+ * struct gpmi_nand_platform_data - GPMI NAND driver platform data.
+ *
+ * This structure communicates platform-specific information to the GPMI NAND
+ * driver that can't be expressed as resources.
+ *
+ * @platform_init: A pointer to a function the driver will call to
+ * initialize the platform (e.g., set up the pin mux).
+ * @min_prop_delay_in_ns: Minimum propagation delay of GPMI signals to and
+ * from the NAND Flash device, in nanoseconds.
+ * @max_prop_delay_in_ns: Maximum propagation delay of GPMI signals to and
+ * from the NAND Flash device, in nanoseconds.
+ * @max_chip_count: The maximum number of chips for which the driver
+ * should configure the hardware. This value most
+ * likely reflects the number of pins that are
+ * connected to a NAND Flash device. If this is
+ * greater than the SoC hardware can support, the
+ * driver will print a message and fail to initialize.
+ * @partitions: An optional pointer to an array of partition
+ * descriptions.
+ * @partition_count: The number of elements in the partitions array.
+ */
+struct gpmi_nand_platform_data {
+ /* SoC hardware information. */
+ int (*platform_init)(void);
+
+ /* NAND Flash information. */
+ unsigned int min_prop_delay_in_ns;
+ unsigned int max_prop_delay_in_ns;
+ unsigned int max_chip_count;
+
+ /* Medium information. */
+ struct mtd_partition *partitions;
+ unsigned partition_count;
+};
+#endif
--
1.7.0.4
^ permalink raw reply related [flat|nested] 11+ messages in thread* [PATCH v6 3/4] ARM: mxs/mx23evk: add GPMI-NAND device
2011-07-08 5:28 [PATCH v6 0/4] add the GPMI-NAND support for imx23/imx28 Huang Shijie
2011-07-08 5:28 ` [PATCH v6 1/4] ARM: mxs: add " Huang Shijie
2011-07-08 5:28 ` [PATCH v6 2/4] ARM: mxs: add new a pad control Huang Shijie
@ 2011-07-08 5:28 ` Huang Shijie
2011-07-08 5:28 ` [PATCH v6 4/4] ARM: mxs/mx28evk: " Huang Shijie
3 siblings, 0 replies; 11+ messages in thread
From: Huang Shijie @ 2011-07-08 5:28 UTC (permalink / raw)
To: linux-arm-kernel
add the GPMI-NAND device for mx23evk board.
Signed-off-by: Huang Shijie <b32955@freescale.com>
---
arch/arm/mach-mxs/Kconfig | 1 +
arch/arm/mach-mxs/mach-mx23evk.c | 36 ++++++++++++++++++++++++++++++++++++
2 files changed, 37 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig
index 1d3985f..ec337d0 100644
--- a/arch/arm/mach-mxs/Kconfig
+++ b/arch/arm/mach-mxs/Kconfig
@@ -32,6 +32,7 @@ config MACH_MX23EVK
select SOC_IMX23
select MXS_HAVE_AMBA_DUART
select MXS_HAVE_PLATFORM_AUART
+ select MXS_HAVE_PLATFORM_GPMI_NAND
select MXS_HAVE_PLATFORM_MXS_MMC
select MXS_HAVE_PLATFORM_MXSFB
help
diff --git a/arch/arm/mach-mxs/mach-mx23evk.c b/arch/arm/mach-mxs/mach-mx23evk.c
index 3c2de33..d55ee6f 100644
--- a/arch/arm/mach-mxs/mach-mx23evk.c
+++ b/arch/arm/mach-mxs/mach-mx23evk.c
@@ -107,6 +107,41 @@ static const iomux_cfg_t mx23evk_pads[] __initconst = {
(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
};
+/* gpmi-nand */
+static iomux_cfg_t mx23evk_gpmi_nand_pads[] = {
+ MX23_PAD_GPMI_D00__GPMI_D00 | MXS_PAD_CTRL,
+ MX23_PAD_GPMI_D01__GPMI_D01 | MXS_PAD_CTRL,
+ MX23_PAD_GPMI_D02__GPMI_D02 | MXS_PAD_CTRL,
+ MX23_PAD_GPMI_D03__GPMI_D03 | MXS_PAD_CTRL,
+ MX23_PAD_GPMI_D04__GPMI_D04 | MXS_PAD_CTRL,
+ MX23_PAD_GPMI_D05__GPMI_D05 | MXS_PAD_CTRL,
+ MX23_PAD_GPMI_D06__GPMI_D06 | MXS_PAD_CTRL,
+ MX23_PAD_GPMI_D07__GPMI_D07 | MXS_PAD_CTRL,
+ MX23_PAD_GPMI_CLE__GPMI_CLE | MXS_PAD_CTRL,
+ MX23_PAD_GPMI_ALE__GPMI_ALE | MXS_PAD_CTRL,
+ MX23_PAD_GPMI_WPN__GPMI_WPN | MXS_PAD_CTRL_12MA,
+ MX23_PAD_GPMI_WRN__GPMI_WRN | MXS_PAD_CTRL_12MA,
+ MX23_PAD_GPMI_RDN__GPMI_RDN | MXS_PAD_CTRL_12MA,
+ MX23_PAD_GPMI_RDY0__GPMI_RDY0 | MXS_PAD_CTRL,
+ MX23_PAD_GPMI_RDY1__GPMI_RDY1 | MXS_PAD_CTRL,
+ MX23_PAD_GPMI_CE0N__GPMI_CE0N | MXS_PAD_CTRL,
+ MX23_PAD_GPMI_CE1N__GPMI_CE1N | MXS_PAD_CTRL,
+};
+
+static int mx23evk_gpmi_nand_platform_init(void)
+{
+ return mxs_iomux_setup_multiple_pads(mx23evk_gpmi_nand_pads,
+ ARRAY_SIZE(mx23evk_gpmi_nand_pads));
+}
+
+static const
+struct gpmi_nand_platform_data mx23evk_gpmi_nand_data __initconst = {
+ .platform_init = mx23evk_gpmi_nand_platform_init,
+ .min_prop_delay_in_ns = 5,
+ .max_prop_delay_in_ns = 9,
+ .max_chip_count = 1,
+};
+
/* mxsfb (lcdif) */
static struct fb_videomode mx23evk_video_modes[] = {
{
@@ -166,6 +201,7 @@ static void __init mx23evk_init(void)
else
gpio_set_value(MX23EVK_BL_ENABLE, 1);
+ mx23_add_gpmi_nand(&mx23evk_gpmi_nand_data);
mx23_add_mxsfb(&mx23evk_mxsfb_pdata);
}
--
1.7.0.4
^ permalink raw reply related [flat|nested] 11+ messages in thread* [PATCH v6 4/4] ARM: mxs/mx28evk: add GPMI-NAND device
2011-07-08 5:28 [PATCH v6 0/4] add the GPMI-NAND support for imx23/imx28 Huang Shijie
` (2 preceding siblings ...)
2011-07-08 5:28 ` [PATCH v6 3/4] ARM: mxs/mx23evk: add GPMI-NAND device Huang Shijie
@ 2011-07-08 5:28 ` Huang Shijie
3 siblings, 0 replies; 11+ messages in thread
From: Huang Shijie @ 2011-07-08 5:28 UTC (permalink / raw)
To: linux-arm-kernel
add GPMI-NAND device for mx28evk board.
Signed-off-by: Huang Shijie <b32955@freescale.com>
---
arch/arm/mach-mxs/Kconfig | 1 +
arch/arm/mach-mxs/mach-mx28evk.c | 36 ++++++++++++++++++++++++++++++++++++
2 files changed, 37 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig
index ec337d0..f13e9c1 100644
--- a/arch/arm/mach-mxs/Kconfig
+++ b/arch/arm/mach-mxs/Kconfig
@@ -47,6 +47,7 @@ config MACH_MX28EVK
select MXS_HAVE_PLATFORM_AUART
select MXS_HAVE_PLATFORM_FEC
select MXS_HAVE_PLATFORM_FLEXCAN
+ select MXS_HAVE_PLATFORM_GPMI_NAND
select MXS_HAVE_PLATFORM_MXS_MMC
select MXS_HAVE_PLATFORM_MXSFB
select MXS_OCOTP
diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c
index eaaf6ff..d26bc22 100644
--- a/arch/arm/mach-mxs/mach-mx28evk.c
+++ b/arch/arm/mach-mxs/mach-mx28evk.c
@@ -314,6 +314,41 @@ static const struct flexcan_platform_data
}
};
+/* gpmi-nand */
+static iomux_cfg_t mx28evk_gpmi_nand_pads[] = {
+ MX28_PAD_GPMI_D00__GPMI_D0 | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_D01__GPMI_D1 | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_D02__GPMI_D2 | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_D03__GPMI_D3 | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_D04__GPMI_D4 | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_D05__GPMI_D5 | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_D06__GPMI_D6 | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_D07__GPMI_D7 | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_ALE__GPMI_ALE | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_CLE__GPMI_CLE | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_CE0N__GPMI_CE0N | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_CE1N__GPMI_CE1N | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_RDY0__GPMI_READY0 | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_RDY1__GPMI_READY1 | MXS_PAD_CTRL,
+ MX28_PAD_GPMI_RDN__GPMI_RDN | MXS_PAD_CTRL_12MA,
+ MX28_PAD_GPMI_WRN__GPMI_WRN | MXS_PAD_CTRL_12MA,
+ MX28_PAD_GPMI_RESETN__GPMI_RESETN | MXS_PAD_CTRL_12MA,
+};
+
+static int mx28evk_gpmi_nand_platform_init(void)
+{
+ return mxs_iomux_setup_multiple_pads(mx28evk_gpmi_nand_pads,
+ ARRAY_SIZE(mx28evk_gpmi_nand_pads));
+}
+
+static const struct gpmi_nand_platform_data
+mx28evk_gpmi_nand_data __initconst = {
+ .platform_init = mx28evk_gpmi_nand_platform_init,
+ .min_prop_delay_in_ns = 5,
+ .max_prop_delay_in_ns = 9,
+ .max_chip_count = 1,
+};
+
/* mxsfb (lcdif) */
static struct fb_videomode mx28evk_video_modes[] = {
{
@@ -390,6 +425,7 @@ static void __init mx28evk_init(void)
else
gpio_set_value(MX28EVK_BL_ENABLE, 1);
+ mx28_add_gpmi_nand(&mx28evk_gpmi_nand_data);
mx28_add_mxsfb(&mx28evk_mxsfb_pdata);
/* power on mmc slot by writing 0 to the gpio */
--
1.7.0.4
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