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authorLinus Walleij <linus.walleij@linaro.org>2010-08-13 11:31:59 +0200
committerLinus Walleij <linus.walleij@linaro.org>2011-03-14 14:05:13 +0100
commitec8f12533b4a439a8feb0d1a3bf15516781804be (patch)
treea98e81640b999e78461070dc9dfcd2a375fc8e3d /arch/arm/mach-u300/mmc.c
parent1a721859f8e57ddf3f6df2b5094057f9f536b4d0 (diff)
mach-u300: config U300 PL180 PL011 PL022 for DMA
This will configure the platform data for the PL180, PL011 and PL022 PrimeCells found in the U300 to use DMA with the generic PrimeCell DMA engine for COH 901 318. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'arch/arm/mach-u300/mmc.c')
-rw-r--r--arch/arm/mach-u300/mmc.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/arm/mach-u300/mmc.c b/arch/arm/mach-u300/mmc.c
index 8bb4ef42ab0..677ccef5cd3 100644
--- a/arch/arm/mach-u300/mmc.c
+++ b/arch/arm/mach-u300/mmc.c
@@ -3,19 +3,22 @@
* arch/arm/mach-u300/mmc.c
*
*
- * Copyright (C) 2009 ST-Ericsson AB
+ * Copyright (C) 2009 ST-Ericsson SA
* License terms: GNU General Public License (GPL) version 2
*
* Author: Linus Walleij <linus.walleij@stericsson.com>
- * Author: Johan Lundin <johan.lundin@stericsson.com>
+ * Author: Johan Lundin
* Author: Jonas Aaberg <jonas.aberg@stericsson.com>
*/
#include <linux/device.h>
#include <linux/amba/bus.h>
#include <linux/mmc/host.h>
#include <linux/gpio.h>
+#include <linux/dmaengine.h>
#include <linux/amba/mmci.h>
#include <linux/slab.h>
+#include <mach/coh901318.h>
+#include <mach/dma_channels.h>
#include "mmc.h"
#include "padmux.h"
@@ -32,6 +35,11 @@ static struct mmci_platform_data mmc0_plat_data = {
.cd_invert = true,
.capabilities = MMC_CAP_MMC_HIGHSPEED |
MMC_CAP_SD_HIGHSPEED | MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
+#ifdef CONFIG_COH901318
+ .dma_filter = coh901318_filter_id,
+ .dma_rx_param = (void *) U300_DMA_MMCSD_RX_TX,
+ /* Don't specify a TX channel, this RX channel is bidirectional */
+#endif
};
int __devinit mmc_init(struct amba_device *adev)