mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-29 23:53:32 +00:00
Code Issues Releases Wiki Activity

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

Browse source 
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: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Peter Ujfalusi 2016-02-02 16:27:06 +02:00 committed by Tony Lindgren
parent 06c2d368fc
commit c4e357839e
1 changed files with 45 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

45
arch/arm/mach-omap1/dma.c
View file

@ -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",