Commit c4e35783 authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Tony Lindgren
Browse files

ARM: OMAP1: DMA: Provide dma_slave_map to omap-dma 



OMAP1 can not boot in DT mode and to be able to clean up the driver
regarding to the dmaengine API use (switching to the new API) the
device/slave -> filter mapping needs to be provided to the omap-dma driver.

Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: default avatarAaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 06c2d368

arch/arm/mach-omap1/dma.c

+45 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ 
#include <linux/device.h>

#include <linux/io.h>

#include <linux/dma-mapping.h>

#include <linux/dmaengine.h>

#include <linux/omap-dma.h>

#include <mach/tc.h>
@@ -265,6 +266,42 @@ static const struct platform_device_info omap_dma_dev_info = { 
	.num_res = 1,

};



/* OMAP730, OMAP850 */

static const struct dma_slave_map omap7xx_sdma_map[] = {

	{ "omap-mcbsp.1", "tx", SDMA_FILTER_PARAM(8) },

	{ "omap-mcbsp.1", "rx", SDMA_FILTER_PARAM(9) },

	{ "omap-mcbsp.2", "tx", SDMA_FILTER_PARAM(10) },

	{ "omap-mcbsp.2", "rx", SDMA_FILTER_PARAM(11) },

	{ "mmci-omap.0", "tx", SDMA_FILTER_PARAM(21) },

	{ "mmci-omap.0", "rx", SDMA_FILTER_PARAM(22) },

	{ "omap_udc", "rx0", SDMA_FILTER_PARAM(26) },

	{ "omap_udc", "rx1", SDMA_FILTER_PARAM(27) },

	{ "omap_udc", "rx2", SDMA_FILTER_PARAM(28) },

	{ "omap_udc", "tx0", SDMA_FILTER_PARAM(29) },

	{ "omap_udc", "tx1", SDMA_FILTER_PARAM(30) },

	{ "omap_udc", "tx2", SDMA_FILTER_PARAM(31) },

};



/* OMAP1510, OMAP1610*/

static const struct dma_slave_map omap1xxx_sdma_map[] = {

	{ "omap-mcbsp.1", "tx", SDMA_FILTER_PARAM(8) },

	{ "omap-mcbsp.1", "rx", SDMA_FILTER_PARAM(9) },

	{ "omap-mcbsp.3", "tx", SDMA_FILTER_PARAM(10) },

	{ "omap-mcbsp.3", "rx", SDMA_FILTER_PARAM(11) },

	{ "omap-mcbsp.2", "tx", SDMA_FILTER_PARAM(16) },

	{ "omap-mcbsp.2", "rx", SDMA_FILTER_PARAM(17) },

	{ "mmci-omap.0", "tx", SDMA_FILTER_PARAM(21) },

	{ "mmci-omap.0", "rx", SDMA_FILTER_PARAM(22) },

	{ "omap_udc", "rx0", SDMA_FILTER_PARAM(26) },

	{ "omap_udc", "rx1", SDMA_FILTER_PARAM(27) },

	{ "omap_udc", "rx2", SDMA_FILTER_PARAM(28) },

	{ "omap_udc", "tx0", SDMA_FILTER_PARAM(29) },

	{ "omap_udc", "tx1", SDMA_FILTER_PARAM(30) },

	{ "omap_udc", "tx2", SDMA_FILTER_PARAM(31) },

	{ "mmci-omap.1", "tx", SDMA_FILTER_PARAM(54) },

	{ "mmci-omap.1", "rx", SDMA_FILTER_PARAM(55) },

};



static struct omap_system_dma_plat_info dma_plat_info __initdata = {

	.reg_map	= reg_map,

	.channel_stride	= 0x40,
@@ -342,6 +379,14 @@ static int __init omap1_system_dma_init(void) 
	p.dma_attr = d;

	p.errata = configure_dma_errata();



	if (cpu_is_omap7xx()) {

		p.slave_map = omap7xx_sdma_map;

		p.slavecnt = ARRAY_SIZE(omap7xx_sdma_map);

	} else {

		p.slave_map = omap1xxx_sdma_map;

		p.slavecnt = ARRAY_SIZE(omap1xxx_sdma_map);

	}



	ret = platform_device_add_data(pdev, &p, sizeof(p));

	if (ret) {

		dev_err(&pdev->dev, "%s: Unable to add resources for %s%d\n",

CRA Git | Maintained and supported by SUSTech CRA and CCSE