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Diffstat (limited to 'arch/arm/mach-pxa/pxa3xx.c')
-rw-r--r--arch/arm/mach-pxa/pxa3xx.c41
1 files changed, 40 insertions, 1 deletions
diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c
index 8c64f93b669b..df9c8970adcf 100644
--- a/arch/arm/mach-pxa/pxa3xx.c
+++ b/arch/arm/mach-pxa/pxa3xx.c
@@ -12,6 +12,8 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
+#include <linux/dmaengine.h>
+#include <linux/dma/pxa-dma.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
@@ -24,6 +26,7 @@
#include <linux/of.h>
#include <linux/syscore_ops.h>
#include <linux/platform_data/i2c-pxa.h>
+#include <linux/platform_data/mmp_dma.h>
#include <asm/mach/map.h>
#include <asm/suspend.h>
@@ -421,6 +424,42 @@ static struct platform_device *devices[] __initdata = {
&pxa27x_device_pwm1,
};
+static const struct dma_slave_map pxa3xx_slave_map[] = {
+ /* PXA25x, PXA27x and PXA3xx common entries */
+ { "pxa2xx-ac97", "pcm_pcm_mic_mono", PDMA_FILTER_PARAM(LOWEST, 8) },
+ { "pxa2xx-ac97", "pcm_pcm_aux_mono_in", PDMA_FILTER_PARAM(LOWEST, 9) },
+ { "pxa2xx-ac97", "pcm_pcm_aux_mono_out",
+ PDMA_FILTER_PARAM(LOWEST, 10) },
+ { "pxa2xx-ac97", "pcm_pcm_stereo_in", PDMA_FILTER_PARAM(LOWEST, 11) },
+ { "pxa2xx-ac97", "pcm_pcm_stereo_out", PDMA_FILTER_PARAM(LOWEST, 12) },
+ { "pxa-ssp-dai.0", "rx", PDMA_FILTER_PARAM(LOWEST, 13) },
+ { "pxa-ssp-dai.0", "tx", PDMA_FILTER_PARAM(LOWEST, 14) },
+ { "pxa-ssp-dai.1", "rx", PDMA_FILTER_PARAM(LOWEST, 15) },
+ { "pxa-ssp-dai.1", "tx", PDMA_FILTER_PARAM(LOWEST, 16) },
+ { "pxa2xx-ir", "rx", PDMA_FILTER_PARAM(LOWEST, 17) },
+ { "pxa2xx-ir", "tx", PDMA_FILTER_PARAM(LOWEST, 18) },
+ { "pxa2xx-mci.0", "rx", PDMA_FILTER_PARAM(LOWEST, 21) },
+ { "pxa2xx-mci.0", "tx", PDMA_FILTER_PARAM(LOWEST, 22) },
+ { "pxa-ssp-dai.2", "rx", PDMA_FILTER_PARAM(LOWEST, 66) },
+ { "pxa-ssp-dai.2", "tx", PDMA_FILTER_PARAM(LOWEST, 67) },
+
+ /* PXA3xx specific map */
+ { "pxa-ssp-dai.3", "rx", PDMA_FILTER_PARAM(LOWEST, 2) },
+ { "pxa-ssp-dai.3", "tx", PDMA_FILTER_PARAM(LOWEST, 3) },
+ { "pxa2xx-mci.1", "rx", PDMA_FILTER_PARAM(LOWEST, 93) },
+ { "pxa2xx-mci.1", "tx", PDMA_FILTER_PARAM(LOWEST, 94) },
+ { "pxa3xx-nand", "data", PDMA_FILTER_PARAM(LOWEST, 97) },
+ { "pxa2xx-mci.2", "rx", PDMA_FILTER_PARAM(LOWEST, 100) },
+ { "pxa2xx-mci.2", "tx", PDMA_FILTER_PARAM(LOWEST, 101) },
+};
+
+static struct mmp_dma_platdata pxa3xx_dma_pdata = {
+ .dma_channels = 32,
+ .nb_requestors = 100,
+ .slave_map = pxa3xx_slave_map,
+ .slave_map_cnt = ARRAY_SIZE(pxa3xx_slave_map),
+};
+
static int __init pxa3xx_init(void)
{
int ret = 0;
@@ -456,7 +495,7 @@ static int __init pxa3xx_init(void)
if (of_have_populated_dt())
return 0;
- pxa2xx_set_dmac_info(32, 100);
+ pxa2xx_set_dmac_info(&pxa3xx_dma_pdata);
ret = platform_add_devices(devices, ARRAY_SIZE(devices));
if (ret)
return ret;