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authorArnd Bergmann <arnd@arndb.de>2012-02-28 12:21:17 (GMT)
committerArnd Bergmann <arnd@arndb.de>2012-02-28 12:21:17 (GMT)
commitee80285e1b79e6a7a6855c8be65bddc61f4d69be (patch)
tree70816118e053fac5983c06c0416053140fc1e438 /arch/arm/mach-mxs/devices
parentdae2efd750393565a90fa75eeab289dbeacc166e (diff)
parent60c15358f603ca21e791d2cc17029b620c625258 (diff)
downloadlinux-fsl-qoriq-ee80285e1b79e6a7a6855c8be65bddc61f4d69be.tar.xz
Merge branch 'mxs/gpmi' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/drivers
* 'mxs/gpmi' of git://git.linaro.org/people/shawnguo/linux-2.6: ARM: mxs: add GPMI-NAND support for imx23/imx28
Diffstat (limited to 'arch/arm/mach-mxs/devices')
-rw-r--r--arch/arm/mach-mxs/devices/Kconfig3
-rw-r--r--arch/arm/mach-mxs/devices/Makefile1
-rw-r--r--arch/arm/mach-mxs/devices/platform-gpmi-nand.c81
3 files changed, 85 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/devices/Kconfig b/arch/arm/mach-mxs/devices/Kconfig
index 18b6bf5..b8913df 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 f52e3e5..c8f5c95 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..3e22df5
--- /dev/null
+++ b/arch/arm/mach-mxs/devices/platform-gpmi-nand.c
@@ -0,0 +1,81 @@
+/*
+ * 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>
+#include <linux/dma-mapping.h>
+
+#ifdef CONFIG_SOC_IMX23
+const struct mxs_gpmi_nand_data mx23_gpmi_nand_data __initconst = {
+ .devid = "imx23-gpmi-nand",
+ .res = {
+ /* GPMI */
+ DEFINE_RES_MEM_NAMED(MX23_GPMI_BASE_ADDR, SZ_8K,
+ GPMI_NAND_GPMI_REGS_ADDR_RES_NAME),
+ DEFINE_RES_IRQ_NAMED(MX23_INT_GPMI_ATTENTION,
+ GPMI_NAND_GPMI_INTERRUPT_RES_NAME),
+ /* BCH */
+ DEFINE_RES_MEM_NAMED(MX23_BCH_BASE_ADDR, SZ_8K,
+ GPMI_NAND_BCH_REGS_ADDR_RES_NAME),
+ DEFINE_RES_IRQ_NAMED(MX23_INT_BCH,
+ GPMI_NAND_BCH_INTERRUPT_RES_NAME),
+ /* DMA */
+ DEFINE_RES_NAMED(MX23_DMA_GPMI0,
+ MX23_DMA_GPMI3 - MX23_DMA_GPMI0 + 1,
+ GPMI_NAND_DMA_CHANNELS_RES_NAME,
+ IORESOURCE_DMA),
+ DEFINE_RES_IRQ_NAMED(MX23_INT_GPMI_DMA,
+ GPMI_NAND_DMA_INTERRUPT_RES_NAME),
+ },
+};
+#endif
+
+#ifdef CONFIG_SOC_IMX28
+const struct mxs_gpmi_nand_data mx28_gpmi_nand_data __initconst = {
+ .devid = "imx28-gpmi-nand",
+ .res = {
+ /* GPMI */
+ DEFINE_RES_MEM_NAMED(MX28_GPMI_BASE_ADDR, SZ_8K,
+ GPMI_NAND_GPMI_REGS_ADDR_RES_NAME),
+ DEFINE_RES_IRQ_NAMED(MX28_INT_GPMI,
+ GPMI_NAND_GPMI_INTERRUPT_RES_NAME),
+ /* BCH */
+ DEFINE_RES_MEM_NAMED(MX28_BCH_BASE_ADDR, SZ_8K,
+ GPMI_NAND_BCH_REGS_ADDR_RES_NAME),
+ DEFINE_RES_IRQ_NAMED(MX28_INT_BCH,
+ GPMI_NAND_BCH_INTERRUPT_RES_NAME),
+ /* DMA */
+ DEFINE_RES_NAMED(MX28_DMA_GPMI0,
+ MX28_DMA_GPMI7 - MX28_DMA_GPMI0 + 1,
+ GPMI_NAND_DMA_CHANNELS_RES_NAME,
+ IORESOURCE_DMA),
+ DEFINE_RES_IRQ_NAMED(MX28_INT_GPMI_DMA,
+ GPMI_NAND_DMA_INTERRUPT_RES_NAME),
+ },
+};
+#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, GPMI_NAND_RES_SIZE,
+ pdata, sizeof(*pdata), DMA_BIT_MASK(32));
+}