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Merge branch 'topic/imx' into for-linus

hifive-unleashed-5.1
Vinod Koul 2016-10-03 09:17:52 +05:30
parent d38e45aa17 b7d2648ac3
commit ddfaadfa7f
2 changed files with 28 additions and 1 deletions
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1
Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt
View File

@ -8,6 +8,7 @@ Required properties:
"fsl,imx51-sdma"
"fsl,imx53-sdma"
"fsl,imx6q-sdma"
"fsl,imx7d-sdma"
The -to variants should be preferred since they allow to determine the
correct ROM script addresses needed for the driver to work without additional
firmware.

28
drivers/dma/imx-sdma.c
View File

@ -184,7 +184,7 @@
struct sdma_mode_count {
u32 count : 16; /* size of the buffer pointed by this BD */
u32 status : 8; /* E,R,I,C,W,D status bits stored here */
u32 command : 8; /* command mostlky used for channel 0 */
u32 command : 8; /* command mostly used for channel 0 */
};
/*
@ -479,6 +479,24 @@ static struct sdma_driver_data sdma_imx6q = {
.script_addrs = &sdma_script_imx6q,
};
static struct sdma_script_start_addrs sdma_script_imx7d = {
.ap_2_ap_addr = 644,
.uart_2_mcu_addr = 819,
.mcu_2_app_addr = 749,
.uartsh_2_mcu_addr = 1034,
.mcu_2_shp_addr = 962,
.app_2_mcu_addr = 685,
.shp_2_mcu_addr = 893,
.spdif_2_mcu_addr = 1102,
.mcu_2_spdif_addr = 1136,
};
static struct sdma_driver_data sdma_imx7d = {
.chnenbl0 = SDMA_CHNENBL0_IMX35,
.num_events = 48,
.script_addrs = &sdma_script_imx7d,
};
static const struct platform_device_id sdma_devtypes[] = {
{
.name = "imx25-sdma",
@ -498,6 +516,9 @@ static const struct platform_device_id sdma_devtypes[] = {
}, {
.name = "imx6q-sdma",
.driver_data = (unsigned long)&sdma_imx6q,
}, {
.name = "imx7d-sdma",
.driver_data = (unsigned long)&sdma_imx7d,
}, {
/* sentinel */
}
@ -511,6 +532,7 @@ static const struct of_device_id sdma_dt_ids[] = {
{ .compatible = "fsl,imx35-sdma", .data = &sdma_imx35, },
{ .compatible = "fsl,imx31-sdma", .data = &sdma_imx31, },
{ .compatible = "fsl,imx25-sdma", .data = &sdma_imx25, },
{ .compatible = "fsl,imx7d-sdma", .data = &sdma_imx7d, },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, sdma_dt_ids);
@ -1374,6 +1396,7 @@ static void sdma_issue_pending(struct dma_chan *chan)
#define SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V1 34
#define SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V2 38
#define SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V3 41
#define SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V4 42
static void sdma_add_scripts(struct sdma_engine *sdma,
const struct sdma_script_start_addrs *addr)
@ -1423,6 +1446,9 @@ static void sdma_load_firmware(const struct firmware *fw, void *context)
case 3:
sdma->script_number = SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V3;
break;
case 4:
sdma->script_number = SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V4;
break;
default:
dev_err(sdma->dev, "unknown firmware version\n");
goto err_firmware;