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path: root/drivers/mmc/host/omap_hsmmc.c
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Diffstat (limited to 'drivers/mmc/host/omap_hsmmc.c')
-rw-r--r--drivers/mmc/host/omap_hsmmc.c36
1 files changed, 25 insertions, 11 deletions
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 28326515494..61883093e25 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -100,6 +100,7 @@
*/
#define OMAP_MMC1_DEVID 0
#define OMAP_MMC2_DEVID 1
+#define OMAP_MMC3_DEVID 2
#define MMC_TIMEOUT_MS 20
#define OMAP_MMC_MASTER_CLOCK 96000000
@@ -144,6 +145,7 @@ struct mmc_omap_host {
int irq;
int carddetect;
int use_dma, dma_ch;
+ int dma_line_tx, dma_line_rx;
int slot_id;
int dbclk_enabled;
int response_busy;
@@ -602,17 +604,10 @@ static int mmc_omap_get_dma_sync_dev(struct mmc_omap_host *host,
{
int sync_dev;
- if (data->flags & MMC_DATA_WRITE) {
- if (host->id == OMAP_MMC1_DEVID)
- sync_dev = OMAP24XX_DMA_MMC1_TX;
- else
- sync_dev = OMAP24XX_DMA_MMC2_TX;
- } else {
- if (host->id == OMAP_MMC1_DEVID)
- sync_dev = OMAP24XX_DMA_MMC1_RX;
- else
- sync_dev = OMAP24XX_DMA_MMC2_RX;
- }
+ if (data->flags & MMC_DATA_WRITE)
+ sync_dev = host->dma_line_tx;
+ else
+ sync_dev = host->dma_line_rx;
return sync_dev;
}
@@ -1075,6 +1070,25 @@ static int __init omap_mmc_probe(struct platform_device *pdev)
omap_hsmmc_init(host);
+ /* Select DMA lines */
+ switch (host->id) {
+ case OMAP_MMC1_DEVID:
+ host->dma_line_tx = OMAP24XX_DMA_MMC1_TX;
+ host->dma_line_rx = OMAP24XX_DMA_MMC1_RX;
+ break;
+ case OMAP_MMC2_DEVID:
+ host->dma_line_tx = OMAP24XX_DMA_MMC2_TX;
+ host->dma_line_rx = OMAP24XX_DMA_MMC2_RX;
+ break;
+ case OMAP_MMC3_DEVID:
+ host->dma_line_tx = OMAP34XX_DMA_MMC3_TX;
+ host->dma_line_rx = OMAP34XX_DMA_MMC3_RX;
+ break;
+ default:
+ dev_err(mmc_dev(host->mmc), "Invalid MMC id\n");
+ goto err_irq;
+ }
+
/* Request IRQ for MMC operations */
ret = request_irq(host->irq, mmc_omap_irq, IRQF_DISABLED,
mmc_hostname(mmc), host);