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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: Peter Ujfalusi <peter.ujfalusi@ti.com> Acked-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Tony Lindgren <tony@atomide.com>
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1 changed files with 45 additions and 0 deletions
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@ -25,6 +25,7 @@
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#include <linux/device.h>
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#include <linux/io.h>
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#include <linux/dma-mapping.h>
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#include <linux/dmaengine.h>
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#include <linux/omap-dma.h>
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#include <mach/tc.h>
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@ -265,6 +266,42 @@ static const struct platform_device_info omap_dma_dev_info = {
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.num_res = 1,
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};
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/* OMAP730, OMAP850 */
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static const struct dma_slave_map omap7xx_sdma_map[] = {
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{ "omap-mcbsp.1", "tx", SDMA_FILTER_PARAM(8) },
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{ "omap-mcbsp.1", "rx", SDMA_FILTER_PARAM(9) },
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{ "omap-mcbsp.2", "tx", SDMA_FILTER_PARAM(10) },
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{ "omap-mcbsp.2", "rx", SDMA_FILTER_PARAM(11) },
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{ "mmci-omap.0", "tx", SDMA_FILTER_PARAM(21) },
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{ "mmci-omap.0", "rx", SDMA_FILTER_PARAM(22) },
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{ "omap_udc", "rx0", SDMA_FILTER_PARAM(26) },
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{ "omap_udc", "rx1", SDMA_FILTER_PARAM(27) },
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{ "omap_udc", "rx2", SDMA_FILTER_PARAM(28) },
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{ "omap_udc", "tx0", SDMA_FILTER_PARAM(29) },
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{ "omap_udc", "tx1", SDMA_FILTER_PARAM(30) },
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{ "omap_udc", "tx2", SDMA_FILTER_PARAM(31) },
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};
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/* OMAP1510, OMAP1610*/
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static const struct dma_slave_map omap1xxx_sdma_map[] = {
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{ "omap-mcbsp.1", "tx", SDMA_FILTER_PARAM(8) },
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{ "omap-mcbsp.1", "rx", SDMA_FILTER_PARAM(9) },
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{ "omap-mcbsp.3", "tx", SDMA_FILTER_PARAM(10) },
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{ "omap-mcbsp.3", "rx", SDMA_FILTER_PARAM(11) },
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{ "omap-mcbsp.2", "tx", SDMA_FILTER_PARAM(16) },
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{ "omap-mcbsp.2", "rx", SDMA_FILTER_PARAM(17) },
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{ "mmci-omap.0", "tx", SDMA_FILTER_PARAM(21) },
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{ "mmci-omap.0", "rx", SDMA_FILTER_PARAM(22) },
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{ "omap_udc", "rx0", SDMA_FILTER_PARAM(26) },
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{ "omap_udc", "rx1", SDMA_FILTER_PARAM(27) },
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{ "omap_udc", "rx2", SDMA_FILTER_PARAM(28) },
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{ "omap_udc", "tx0", SDMA_FILTER_PARAM(29) },
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{ "omap_udc", "tx1", SDMA_FILTER_PARAM(30) },
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{ "omap_udc", "tx2", SDMA_FILTER_PARAM(31) },
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{ "mmci-omap.1", "tx", SDMA_FILTER_PARAM(54) },
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{ "mmci-omap.1", "rx", SDMA_FILTER_PARAM(55) },
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};
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static struct omap_system_dma_plat_info dma_plat_info __initdata = {
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.reg_map = reg_map,
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.channel_stride = 0x40,
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@ -342,6 +379,14 @@ static int __init omap1_system_dma_init(void)
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p.dma_attr = d;
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p.errata = configure_dma_errata();
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if (cpu_is_omap7xx()) {
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p.slave_map = omap7xx_sdma_map;
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p.slavecnt = ARRAY_SIZE(omap7xx_sdma_map);
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} else {
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p.slave_map = omap1xxx_sdma_map;
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p.slavecnt = ARRAY_SIZE(omap1xxx_sdma_map);
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}
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ret = platform_device_add_data(pdev, &p, sizeof(p));
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if (ret) {
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dev_err(&pdev->dev, "%s: Unable to add resources for %s%d\n",
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