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authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-17 19:08:06 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-17 19:08:06 -0700
commit411f5c7a502769ccc0377c5ba36cb0b283847ba8 (patch)
tree2c3a29671e3f923de48c55f94194849264a7bf53 /arch/arm/mach-mxs/devices/platform-dma.c
parent6d7ed21d17e640b120b902a314143e5ef4917a70 (diff)
parent9ced9f03d12d7539e86b0bff5bc750153c976c34 (diff)
Merge branch 'devel-stable' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel-stable' of master.kernel.org:/home/rmk/linux-2.6-arm: (289 commits) davinci: DM644x EVM: register MUSB device earlier davinci: add spi devices on tnetv107x evm davinci: add ssp config for tnetv107x evm board davinci: add tnetv107x ssp platform device spi: add ti-ssp spi master driver mfd: add driver for sequencer serial port ARM: EXYNOS4: Implement Clock gating for System MMU ARM: EXYNOS4: Enhancement of System MMU driver ARM: EXYNOS4: Add support for gpio interrupts ARM: S5P: Add function to register gpio interrupt bank data ARM: S5P: Cleanup S5P gpio interrupt code ARM: EXYNOS4: Add missing GPYx banks ARM: S3C64XX: Fix section mismatch from cpufreq init ARM: EXYNOS4: Add keypad device to the SMDKV310 ARM: EXYNOS4: Update clocks for keypad ARM: EXYNOS4: Update keypad base address ARM: EXYNOS4: Add keypad device helpers ARM: EXYNOS4: Add support for SATA on ARMLEX4210 plat-nomadik: make GPIO interrupts work with cpuidle ApSleep mach-u300: define a dummy filter function for coh901318 ... Fix up various conflicts in - arch/arm/mach-exynos4/cpufreq.c - arch/arm/mach-mxs/gpio.c - drivers/net/Kconfig - drivers/tty/serial/Kconfig - drivers/tty/serial/Makefile - drivers/usb/gadget/fsl_mxc_udc.c - drivers/video/Kconfig
Diffstat (limited to 'arch/arm/mach-mxs/devices/platform-dma.c')
-rw-r--r--arch/arm/mach-mxs/devices/platform-dma.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/devices/platform-dma.c b/arch/arm/mach-mxs/devices/platform-dma.c
new file mode 100644
index 000000000000..295c4424d5d9
--- /dev/null
+++ b/arch/arm/mach-mxs/devices/platform-dma.c
@@ -0,0 +1,49 @@
+/*
+ * Copyright 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 version 2 as published by the
+ * Free Software Foundation.
+ */
+#include <linux/compiler.h>
+#include <linux/err.h>
+#include <linux/init.h>
+
+#include <mach/mx23.h>
+#include <mach/mx28.h>
+#include <mach/devices-common.h>
+
+static struct platform_device *__init mxs_add_dma(const char *devid,
+ resource_size_t base)
+{
+ struct resource res[] = {
+ {
+ .start = base,
+ .end = base + SZ_8K - 1,
+ .flags = IORESOURCE_MEM,
+ }
+ };
+
+ return mxs_add_platform_device_dmamask(devid, -1,
+ res, ARRAY_SIZE(res), NULL, 0,
+ DMA_BIT_MASK(32));
+}
+
+static int __init mxs_add_mxs_dma(void)
+{
+ char *apbh = "mxs-dma-apbh";
+ char *apbx = "mxs-dma-apbx";
+
+ if (cpu_is_mx23()) {
+ mxs_add_dma(apbh, MX23_APBH_DMA_BASE_ADDR);
+ mxs_add_dma(apbx, MX23_APBX_DMA_BASE_ADDR);
+ }
+
+ if (cpu_is_mx28()) {
+ mxs_add_dma(apbh, MX28_APBH_DMA_BASE_ADDR);
+ mxs_add_dma(apbx, MX28_APBX_DMA_BASE_ADDR);
+ }
+
+ return 0;
+}
+arch_initcall(mxs_add_mxs_dma);