@@ -22,6 +22,7 @@ config MACH_MX23EVK
select SOC_IMX23
select MXS_HAVE_AMBA_DUART
select MXS_HAVE_PLATFORM_AUART
+ select MXS_HAVE_PLATFORM_GPMI
select MXS_HAVE_PLATFORM_MXSFB
default y
help
@@ -33,6 +34,7 @@ config MACH_MX28EVK
select SOC_IMX28
select MXS_HAVE_AMBA_DUART
select MXS_HAVE_PLATFORM_AUART
+ select MXS_HAVE_PLATFORM_GPMI
select MXS_HAVE_PLATFORM_FEC
select MXS_HAVE_PLATFORM_FLEXCAN
select MXS_HAVE_PLATFORM_MXSFB
@@ -29,6 +29,7 @@
#include <mach/mx23.h>
#include <mach/common.h>
#include <mach/clock.h>
+#include <mach/gpmi-nfc.h>
#include "regs-clkctrl-mx23.h"
@@ -442,6 +443,7 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("duart", "apb_pclk", xbus_clk)
/* for amba-pl011 driver */
_REGISTER_CLOCK("duart", NULL, uart_clk)
+ _REGISTER_CLOCK(GPMI_NFC_DRIVER_NAME, GPMI_NFC_CLOCK_NAME, gpmi_clk)
_REGISTER_CLOCK("mxs-auart.0", NULL, uart_clk)
_REGISTER_CLOCK("rtc", NULL, rtc_clk)
_REGISTER_CLOCK("mxs-dma-apbh", NULL, hbus_clk)
@@ -533,6 +535,7 @@ int __init mx23_clocks_init(void)
clk_enable(&xbus_clk);
clk_enable(&emi_clk);
clk_enable(&uart_clk);
+ clk_enable(&gpmi_clk);
clkdev_add_table(lookups, ARRAY_SIZE(lookups));
@@ -29,6 +29,7 @@
#include <mach/mx28.h>
#include <mach/common.h>
#include <mach/clock.h>
+#include <mach/gpmi-nfc.h>
#include "regs-clkctrl-mx28.h"
@@ -607,6 +608,7 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("duart", "apb_pclk", xbus_clk)
/* for amba-pl011 driver */
_REGISTER_CLOCK("duart", NULL, uart_clk)
+ _REGISTER_CLOCK(GPMI_NFC_DRIVER_NAME, GPMI_NFC_CLOCK_NAME, gpmi_clk)
_REGISTER_CLOCK("imx28-fec.0", NULL, fec_clk)
_REGISTER_CLOCK("imx28-fec.1", NULL, fec_clk)
_REGISTER_CLOCK("mxs-auart.0", NULL, uart_clk)
@@ -749,6 +751,7 @@ int __init mx28_clocks_init(void)
clk_enable(&xbus_clk);
clk_enable(&emi_clk);
clk_enable(&uart_clk);
+ clk_enable(&gpmi_clk);
clk_set_parent(&lcdif_clk, &ref_pix_clk);
@@ -16,6 +16,9 @@ extern const struct amba_device mx23_duart_device __initconst;
#define mx23_add_duart() \
mxs_add_duart(&mx23_duart_device)
+extern const struct gpmi_nfc_platform_data gpmi_platform_data_imx23 __initconst;
+#define mx23_add_gpmi() mxs_add_gpmi(&gpmi_platform_data_imx23)
+
extern const struct mxs_auart_data mx23_auart_data[] __initconst;
#define mx23_add_auart(id) mxs_add_auart(&mx23_auart_data[id])
#define mx23_add_auart0() mx23_add_auart(0)
@@ -16,6 +16,9 @@ extern const struct amba_device mx28_duart_device __initconst;
#define mx28_add_duart() \
mxs_add_duart(&mx28_duart_device)
+extern const struct gpmi_nfc_platform_data gpmi_platform_data_imx28 __initconst;
+#define mx28_add_gpmi() mxs_add_gpmi(&gpmi_platform_data_imx28)
+
extern const struct mxs_auart_data mx28_auart_data[] __initconst;
#define mx28_add_auart(id) mxs_add_auart(&mx28_auart_data[id])
#define mx28_add_auart0() mx28_add_auart(0)
@@ -5,6 +5,9 @@ config MXS_HAVE_AMBA_DUART
config MXS_HAVE_PLATFORM_AUART
bool
+config MXS_HAVE_PLATFORM_GPMI
+ bool
+
config MXS_HAVE_PLATFORM_FEC
bool
@@ -2,6 +2,7 @@ obj-$(CONFIG_MXS_HAVE_AMBA_DUART) += amba-duart.o
obj-$(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_GPMI) += platform-gpmi.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_FLEXCAN) += platform-flexcan.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_I2C) += platform-mxs-i2c.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_PWM) += platform-mxs-pwm.o
new file mode 100644
@@ -0,0 +1,144 @@
+/*
+ * 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/gpmi-nfc.h>
+#include <mach/devices-common.h>
+
+#ifdef CONFIG_SOC_IMX23
+const struct gpmi_nfc_platform_data gpmi_platform_data_imx23 __initconst = {
+ .chip_version = CHIP_VERSION_IMX23,
+ .clock_name = GPMI_NFC_CLOCK_NAME,
+ .min_prop_delay_in_ns = 5,
+ .max_prop_delay_in_ns = 9,
+ .max_chip_count = 1,
+ .boot_area_size_in_bytes = 20 * SZ_1M,
+};
+
+const struct resource res_imx23[] __initconst = {
+ { /* GPMI */
+ .start = MX23_GPMI_BASE_ADDR,
+ .end = MX23_GPMI_BASE_ADDR + SZ_8K - 1,
+ .name = GPMI_NFC_GPMI_REGS_ADDR_RES_NAME,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = MX23_INT_GPMI_ATTENTION,
+ .end = MX23_INT_GPMI_ATTENTION,
+ .name = GPMI_NFC_GPMI_INTERRUPT_RES_NAME,
+ .flags = IORESOURCE_IRQ,
+ }, { /* BCH */
+ .start = MX23_BCH_BASE_ADDR,
+ .end = MX23_BCH_BASE_ADDR + SZ_8K - 1,
+ .name = GPMI_NFC_BCH_REGS_ADDR_RES_NAME,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = MX23_INT_BCH,
+ .end = MX23_INT_BCH,
+ .name = GPMI_NFC_BCH_INTERRUPT_RES_NAME,
+ .flags = IORESOURCE_IRQ,
+ }, { /* DMA */
+ .start = MX23_DMA_GPMI0,
+ .end = MX23_DMA_GPMI3,
+ .name = GPMI_NFC_DMA_CHANNELS_RES_NAME,
+ .flags = IORESOURCE_DMA,
+ }, {
+ .start = MX23_INT_GPMI_DMA,
+ .end = MX23_INT_GPMI_DMA,
+ .name = GPMI_NFC_DMA_INTERRUPT_RES_NAME,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+#endif
+
+#ifdef CONFIG_SOC_IMX28
+const struct gpmi_nfc_platform_data gpmi_platform_data_imx28 __initconst = {
+ .chip_version = CHIP_VERSION_IMX28,
+ .clock_name = GPMI_NFC_CLOCK_NAME,
+ .min_prop_delay_in_ns = 5,
+ .max_prop_delay_in_ns = 9,
+ .max_chip_count = 1,
+ .boot_area_size_in_bytes = 20 * SZ_1M,
+};
+
+const struct resource res_imx28[] __initconst = {
+ { /* GPMI */
+ .start = MX28_GPMI_BASE_ADDR,
+ .end = MX28_GPMI_BASE_ADDR + SZ_8K - 1,
+ .name = GPMI_NFC_GPMI_REGS_ADDR_RES_NAME,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = MX28_INT_GPMI,
+ .end = MX28_INT_GPMI,
+ .name = GPMI_NFC_GPMI_INTERRUPT_RES_NAME,
+ .flags = IORESOURCE_IRQ,
+ }, { /* BCH */
+ .start = MX28_BCH_BASE_ADDR,
+ .end = MX28_BCH_BASE_ADDR + SZ_8K - 1,
+ .name = GPMI_NFC_BCH_REGS_ADDR_RES_NAME,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = MX28_INT_BCH,
+ .end = MX28_INT_BCH,
+ .name = GPMI_NFC_BCH_INTERRUPT_RES_NAME,
+ .flags = IORESOURCE_IRQ,
+ }, { /* DMA */
+ .start = MX28_DMA_GPMI0,
+ .end = MX28_DMA_GPMI7,
+ .name = GPMI_NFC_DMA_CHANNELS_RES_NAME,
+ .flags = IORESOURCE_DMA,
+ }, {
+ .start = MX28_INT_GPMI_DMA,
+ .end = MX28_INT_GPMI_DMA,
+ .name = GPMI_NFC_DMA_INTERRUPT_RES_NAME,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+#endif
+
+static struct resource *__init get_res(int *res_size)
+{
+#ifdef CONFIG_SOC_IMX23
+ if (cpu_is_mx23()) {
+ *res_size = ARRAY_SIZE(res_imx23);
+ return (struct resource *)res_imx23;
+ }
+#endif
+
+#ifdef CONFIG_SOC_IMX28
+ if (cpu_is_mx28()) {
+ *res_size = ARRAY_SIZE(res_imx28);
+ return (struct resource *)res_imx28;
+ }
+#endif
+ BUG();
+ return NULL;
+}
+
+struct platform_device *__init
+mxs_add_gpmi(const struct gpmi_nfc_platform_data *data)
+{
+ struct resource *res;
+ int res_size;
+
+ res = get_res(&res_size);
+
+ return mxs_add_platform_device_dmamask(GPMI_NFC_DRIVER_NAME, -1,
+ res, res_size,
+ data, sizeof(*data), DMA_BIT_MASK(32));
+}
@@ -30,6 +30,10 @@ int __init mxs_add_amba_device(const struct amba_device *dev);
/* duart */
int __init mxs_add_duart(const struct amba_device *dev);
+/* GPMI */
+#include <mach/gpmi-nfc.h>
+struct platform_device *__init mxs_add_gpmi(
+ const struct gpmi_nfc_platform_data *data);
/* auart */
struct mxs_auart_data {
int id;
new file mode 100644
@@ -0,0 +1,75 @@
+/*
+ * 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 __INCLUDE_LINUX_DEVICE_H
+#define __INCLUDE_LINUX_DEVICE_H
+
+#define GPMI_NFC_DRIVER_NAME "gpmi-nfc"
+#define GPMI_NFC_CLOCK_NAME "gpmi-clock"
+
+/* Resource names for the GPMI NFC driver. */
+#define GPMI_NFC_GPMI_REGS_ADDR_RES_NAME "GPMI NFC GPMI Registers"
+#define GPMI_NFC_GPMI_INTERRUPT_RES_NAME "GPMI NFC GPMI Interrupt"
+#define GPMI_NFC_BCH_REGS_ADDR_RES_NAME "GPMI NFC BCH Registers"
+#define GPMI_NFC_BCH_INTERRUPT_RES_NAME "GPMI NFC BCH Interrupt"
+#define GPMI_NFC_DMA_CHANNELS_RES_NAME "GPMI NFC DMA Channels"
+#define GPMI_NFC_DMA_INTERRUPT_RES_NAME "GPMI NFC DMA Interrupt"
+
+/**
+ * struct gpmi_nfc_platform_data - GPMI NFC driver platform data.
+ *
+ * This structure communicates platform-specific information to the GPMI NFC
+ * driver that can't be expressed as resources.
+ *
+ * @chip_version: The version of the hardware.
+ * @clock_name: The name of the clock that drives the NFC.
+ * @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.
+ * @boot_area_size_in_bytes: The amount of space reserved for each boot area.
+ * Note that some Boot ROMs call for multiple boot
+ * areas. If this value is zero, the driver will not
+ * construct special partitions for boot areas.
+ */
+struct gpmi_nfc_platform_data {
+ unsigned int chip_version;
+
+ /* SoC hardware information. */
+ char *clock_name;
+
+ /* NAND Flash information. */
+ unsigned int min_prop_delay_in_ns;
+ unsigned int max_prop_delay_in_ns;
+ unsigned int max_chip_count;
+
+ /* boot area */
+ uint32_t boot_area_size_in_bytes;
+};
+
+enum {
+ CHIP_VERSION_IMX23 = 0,
+ CHIP_VERSION_IMX28,
+};
+#endif
@@ -34,6 +34,42 @@ static const iomux_cfg_t mx23evk_pads[] __initconst = {
MX23_PAD_PWM0__DUART_RX | MXS_PAD_CTRL,
MX23_PAD_PWM1__DUART_TX | MXS_PAD_CTRL,
+ /* gpmi */
+ MX23_PAD_GPMI_D00__GPMI_D00 |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX23_PAD_GPMI_D01__GPMI_D01 |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX23_PAD_GPMI_D02__GPMI_D02 |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX23_PAD_GPMI_D03__GPMI_D03 |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX23_PAD_GPMI_D04__GPMI_D04 |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX23_PAD_GPMI_D05__GPMI_D05 |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX23_PAD_GPMI_D06__GPMI_D06 |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX23_PAD_GPMI_D07__GPMI_D07 |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX23_PAD_GPMI_CLE__GPMI_CLE |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX23_PAD_GPMI_ALE__GPMI_ALE |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX23_PAD_GPMI_WPN__GPMI_WPN |
+ (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX23_PAD_GPMI_WRN__GPMI_WRN |
+ (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX23_PAD_GPMI_RDN__GPMI_RDN |
+ (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX23_PAD_GPMI_RDY0__GPMI_RDY0 |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX23_PAD_GPMI_RDY1__GPMI_RDY1 |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX23_PAD_GPMI_CE0N__GPMI_CE0N |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX23_PAD_GPMI_CE1N__GPMI_CE1N |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+
/* auart */
MX23_PAD_AUART1_RX__AUART1_RX | MXS_PAD_CTRL,
MX23_PAD_AUART1_TX__AUART1_TX | MXS_PAD_CTRL,
@@ -108,6 +144,7 @@ static void __init mx23evk_init(void)
mxs_iomux_setup_multiple_pads(mx23evk_pads, ARRAY_SIZE(mx23evk_pads));
mx23_add_duart();
+ mx23_add_gpmi();
mx23_add_auart0();
ret = gpio_request_one(MX23EVK_LCD_ENABLE, GPIOF_DIR_OUT, "lcd-enable");
@@ -39,6 +39,42 @@ static const iomux_cfg_t mx28evk_pads[] __initconst = {
MX28_PAD_PWM0__DUART_RX | MXS_PAD_CTRL,
MX28_PAD_PWM1__DUART_TX | MXS_PAD_CTRL,
+ /* gpmi */
+ MX28_PAD_GPMI_D00__GPMI_D0 |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX28_PAD_GPMI_D01__GPMI_D1 |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX28_PAD_GPMI_D02__GPMI_D2 |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX28_PAD_GPMI_D03__GPMI_D3 |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX28_PAD_GPMI_D04__GPMI_D4 |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX28_PAD_GPMI_D05__GPMI_D5 |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX28_PAD_GPMI_D06__GPMI_D6 |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX28_PAD_GPMI_D07__GPMI_D7 |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX28_PAD_GPMI_CE0N__GPMI_CE0N |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX28_PAD_GPMI_CE1N__GPMI_CE1N |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX28_PAD_GPMI_RDY0__GPMI_READY0 |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX28_PAD_GPMI_RDY1__GPMI_READY1 |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX28_PAD_GPMI_RDN__GPMI_RDN |
+ (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX28_PAD_GPMI_WRN__GPMI_WRN |
+ (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX28_PAD_GPMI_ALE__GPMI_ALE |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX28_PAD_GPMI_CLE__GPMI_CLE |
+ (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX28_PAD_GPMI_RESETN__GPMI_RESETN |
+ (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+
/* auart0 */
MX28_PAD_AUART0_RX__AUART0_RX | MXS_PAD_CTRL,
MX28_PAD_AUART0_TX__AUART0_TX | MXS_PAD_CTRL,
@@ -265,6 +301,7 @@ static void __init mx28evk_init(void)
mxs_iomux_setup_multiple_pads(mx28evk_pads, ARRAY_SIZE(mx28evk_pads));
mx28_add_duart();
+ mx28_add_gpmi();
mx28_add_auart0();
mx28_add_auart3();
add the clock and iomux initialization for GPMI in the imx23 and imx28. Signed-off-by: Huang Shijie <b32955@freescale.com> --- arch/arm/mach-mxs/Kconfig | 2 + arch/arm/mach-mxs/clock-mx23.c | 3 + arch/arm/mach-mxs/clock-mx28.c | 3 + arch/arm/mach-mxs/devices-mx23.h | 3 + arch/arm/mach-mxs/devices-mx28.h | 3 + arch/arm/mach-mxs/devices/Kconfig | 3 + arch/arm/mach-mxs/devices/Makefile | 1 + arch/arm/mach-mxs/devices/platform-gpmi.c | 144 +++++++++++++++++++++++ arch/arm/mach-mxs/include/mach/devices-common.h | 4 + arch/arm/mach-mxs/include/mach/gpmi-nfc.h | 75 ++++++++++++ arch/arm/mach-mxs/mach-mx23evk.c | 37 ++++++ arch/arm/mach-mxs/mach-mx28evk.c | 37 ++++++ 12 files changed, 315 insertions(+), 0 deletions(-) create mode 100644 arch/arm/mach-mxs/devices/platform-gpmi.c create mode 100644 arch/arm/mach-mxs/include/mach/gpmi-nfc.h