diff options
| -rw-r--r-- | arch/arm/mach-pxa/generic.c | 10 | ||||
| -rw-r--r-- | drivers/mmc/host/pxamci.c | 30 |
2 files changed, 33 insertions, 7 deletions
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c index 8bb70e70131e..a8d88704c8d4 100644 --- a/arch/arm/mach-pxa/generic.c +++ b/arch/arm/mach-pxa/generic.c @@ -259,6 +259,16 @@ static struct resource pxamci_resources[] = { .end = IRQ_MMC, .flags = IORESOURCE_IRQ, }, + [2] = { + .start = 21, + .end = 21, + .flags = IORESOURCE_DMA, + }, + [3] = { + .start = 22, + .end = 22, + .flags = IORESOURCE_DMA, + }, }; static u64 pxamci_dmamask = 0xffffffffUL; diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c index 80df4b047c81..1ea8482037bb 100644 --- a/drivers/mmc/host/pxamci.c +++ b/drivers/mmc/host/pxamci.c @@ -65,6 +65,8 @@ struct pxamci_host { unsigned int dma_len; unsigned int dma_dir; + unsigned int dma_drcmrrx; + unsigned int dma_drcmrtx; }; static void pxamci_stop_clock(struct pxamci_host *host) @@ -131,13 +133,13 @@ static void pxamci_setup_data(struct pxamci_host *host, struct mmc_data *data) if (data->flags & MMC_DATA_READ) { host->dma_dir = DMA_FROM_DEVICE; dcmd = DCMD_INCTRGADDR | DCMD_FLOWTRG; - DRCMRTXMMC = 0; - DRCMRRXMMC = host->dma | DRCMR_MAPVLD; + DRCMR(host->dma_drcmrtx) = 0; + DRCMR(host->dma_drcmrrx) = host->dma | DRCMR_MAPVLD; } else { host->dma_dir = DMA_TO_DEVICE; dcmd = DCMD_INCSRCADDR | DCMD_FLOWSRC; - DRCMRRXMMC = 0; - DRCMRTXMMC = host->dma | DRCMR_MAPVLD; + DRCMR(host->dma_drcmrrx) = 0; + DRCMR(host->dma_drcmrtx) = host->dma | DRCMR_MAPVLD; } dcmd |= DCMD_BURST32 | DCMD_WIDTH1; @@ -468,7 +470,7 @@ static int pxamci_probe(struct platform_device *pdev) { struct mmc_host *mmc; struct pxamci_host *host = NULL; - struct resource *r; + struct resource *r, *dmarx, *dmatx; int ret, irq; r = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -583,6 +585,20 @@ static int pxamci_probe(struct platform_device *pdev) platform_set_drvdata(pdev, mmc); + dmarx = platform_get_resource(pdev, IORESOURCE_DMA, 0); + if (!dmarx) { + ret = -ENXIO; + goto out; + } + host->dma_drcmrrx = dmarx->start; + + dmatx = platform_get_resource(pdev, IORESOURCE_DMA, 1); + if (!dmatx) { + ret = -ENXIO; + goto out; + } + host->dma_drcmrtx = dmatx->start; + if (host->pdata && host->pdata->init) host->pdata->init(&pdev->dev, pxamci_detect_irq, mmc); @@ -626,8 +642,8 @@ static int pxamci_remove(struct platform_device *pdev) END_CMD_RES|PRG_DONE|DATA_TRAN_DONE, host->base + MMC_I_MASK); - DRCMRRXMMC = 0; - DRCMRTXMMC = 0; + DRCMR(host->dma_drcmrrx) = 0; + DRCMR(host->dma_drcmrtx) = 0; free_irq(host->irq, host); pxa_free_dma(host->dma); |