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-rw-r--r--drivers/mmc/host/mxs-mmc.c48
-rw-r--r--drivers/mmc/host/s3cmci.c83
2 files changed, 86 insertions, 45 deletions
diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c
index 4efe3021b217..4fdc71113e6d 100644
--- a/drivers/mmc/host/mxs-mmc.c
+++ b/drivers/mmc/host/mxs-mmc.c
@@ -548,22 +548,6 @@ static const struct mmc_host_ops mxs_mmc_ops = {
.enable_sdio_irq = mxs_mmc_enable_sdio_irq,
};
-static bool mxs_mmc_dma_filter(struct dma_chan *chan, void *param)
-{
- struct mxs_mmc_host *host = param;
- struct mxs_ssp *ssp = &host->ssp;
-
- if (!mxs_dma_is_apbh(chan))
- return false;
-
- if (chan->chan_id != ssp->dma_channel)
- return false;
-
- chan->private = &ssp->dma_data;
-
- return true;
-}
-
static struct platform_device_id mxs_ssp_ids[] = {
{
.name = "imx23-mmc",
@@ -591,20 +575,17 @@ static int mxs_mmc_probe(struct platform_device *pdev)
struct device_node *np = pdev->dev.of_node;
struct mxs_mmc_host *host;
struct mmc_host *mmc;
- struct resource *iores, *dmares;
+ struct resource *iores;
struct pinctrl *pinctrl;
- int ret = 0, irq_err, irq_dma;
- dma_cap_mask_t mask;
+ int ret = 0, irq_err;
struct regulator *reg_vmmc;
enum of_gpio_flags flags;
struct mxs_ssp *ssp;
u32 bus_width = 0;
iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- dmares = platform_get_resource(pdev, IORESOURCE_DMA, 0);
irq_err = platform_get_irq(pdev, 0);
- irq_dma = platform_get_irq(pdev, 1);
- if (!iores || irq_err < 0 || irq_dma < 0)
+ if (!iores || irq_err < 0)
return -EINVAL;
mmc = mmc_alloc_host(sizeof(struct mxs_mmc_host), &pdev->dev);
@@ -620,23 +601,7 @@ static int mxs_mmc_probe(struct platform_device *pdev)
goto out_mmc_free;
}
- if (np) {
- ssp->devid = (enum mxs_ssp_id) of_id->data;
- /*
- * TODO: This is a temporary solution and should be changed
- * to use generic DMA binding later when the helpers get in.
- */
- ret = of_property_read_u32(np, "fsl,ssp-dma-channel",
- &ssp->dma_channel);
- if (ret) {
- dev_err(mmc_dev(host->mmc),
- "failed to get dma channel\n");
- goto out_mmc_free;
- }
- } else {
- ssp->devid = pdev->id_entry->driver_data;
- ssp->dma_channel = dmares->start;
- }
+ ssp->devid = (enum mxs_ssp_id) of_id->data;
host->mmc = mmc;
host->sdio_irq_en = 0;
@@ -666,10 +631,7 @@ static int mxs_mmc_probe(struct platform_device *pdev)
mxs_mmc_reset(host);
- dma_cap_zero(mask);
- dma_cap_set(DMA_SLAVE, mask);
- ssp->dma_data.chan_irq = irq_dma;
- ssp->dmach = dma_request_channel(mask, mxs_mmc_dma_filter, host);
+ ssp->dmach = dma_request_slave_channel(&pdev->dev, "rx-tx");
if (!ssp->dmach) {
dev_err(mmc_dev(host->mmc),
"%s: failed to request dma\n", __func__);
diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
index 63fb265e0da6..8d6794cdf899 100644
--- a/drivers/mmc/host/s3cmci.c
+++ b/drivers/mmc/host/s3cmci.c
@@ -25,14 +25,93 @@
#include <mach/dma.h>
-#include <mach/regs-sdi.h>
-
#include <linux/platform_data/mmc-s3cmci.h>
#include "s3cmci.h"
#define DRIVER_NAME "s3c-mci"
+#define S3C2410_SDICON (0x00)
+#define S3C2410_SDIPRE (0x04)
+#define S3C2410_SDICMDARG (0x08)
+#define S3C2410_SDICMDCON (0x0C)
+#define S3C2410_SDICMDSTAT (0x10)
+#define S3C2410_SDIRSP0 (0x14)
+#define S3C2410_SDIRSP1 (0x18)
+#define S3C2410_SDIRSP2 (0x1C)
+#define S3C2410_SDIRSP3 (0x20)
+#define S3C2410_SDITIMER (0x24)
+#define S3C2410_SDIBSIZE (0x28)
+#define S3C2410_SDIDCON (0x2C)
+#define S3C2410_SDIDCNT (0x30)
+#define S3C2410_SDIDSTA (0x34)
+#define S3C2410_SDIFSTA (0x38)
+
+#define S3C2410_SDIDATA (0x3C)
+#define S3C2410_SDIIMSK (0x40)
+
+#define S3C2440_SDIDATA (0x40)
+#define S3C2440_SDIIMSK (0x3C)
+
+#define S3C2440_SDICON_SDRESET (1 << 8)
+#define S3C2410_SDICON_SDIOIRQ (1 << 3)
+#define S3C2410_SDICON_FIFORESET (1 << 1)
+#define S3C2410_SDICON_CLOCKTYPE (1 << 0)
+
+#define S3C2410_SDICMDCON_LONGRSP (1 << 10)
+#define S3C2410_SDICMDCON_WAITRSP (1 << 9)
+#define S3C2410_SDICMDCON_CMDSTART (1 << 8)
+#define S3C2410_SDICMDCON_SENDERHOST (1 << 6)
+#define S3C2410_SDICMDCON_INDEX (0x3f)
+
+#define S3C2410_SDICMDSTAT_CRCFAIL (1 << 12)
+#define S3C2410_SDICMDSTAT_CMDSENT (1 << 11)
+#define S3C2410_SDICMDSTAT_CMDTIMEOUT (1 << 10)
+#define S3C2410_SDICMDSTAT_RSPFIN (1 << 9)
+
+#define S3C2440_SDIDCON_DS_WORD (2 << 22)
+#define S3C2410_SDIDCON_TXAFTERRESP (1 << 20)
+#define S3C2410_SDIDCON_RXAFTERCMD (1 << 19)
+#define S3C2410_SDIDCON_BLOCKMODE (1 << 17)
+#define S3C2410_SDIDCON_WIDEBUS (1 << 16)
+#define S3C2410_SDIDCON_DMAEN (1 << 15)
+#define S3C2410_SDIDCON_STOP (1 << 14)
+#define S3C2440_SDIDCON_DATSTART (1 << 14)
+
+#define S3C2410_SDIDCON_XFER_RXSTART (2 << 12)
+#define S3C2410_SDIDCON_XFER_TXSTART (3 << 12)
+
+#define S3C2410_SDIDCON_BLKNUM_MASK (0xFFF)
+
+#define S3C2410_SDIDSTA_SDIOIRQDETECT (1 << 9)
+#define S3C2410_SDIDSTA_FIFOFAIL (1 << 8)
+#define S3C2410_SDIDSTA_CRCFAIL (1 << 7)
+#define S3C2410_SDIDSTA_RXCRCFAIL (1 << 6)
+#define S3C2410_SDIDSTA_DATATIMEOUT (1 << 5)
+#define S3C2410_SDIDSTA_XFERFINISH (1 << 4)
+#define S3C2410_SDIDSTA_TXDATAON (1 << 1)
+#define S3C2410_SDIDSTA_RXDATAON (1 << 0)
+
+#define S3C2440_SDIFSTA_FIFORESET (1 << 16)
+#define S3C2440_SDIFSTA_FIFOFAIL (3 << 14)
+#define S3C2410_SDIFSTA_TFDET (1 << 13)
+#define S3C2410_SDIFSTA_RFDET (1 << 12)
+#define S3C2410_SDIFSTA_COUNTMASK (0x7f)
+
+#define S3C2410_SDIIMSK_RESPONSECRC (1 << 17)
+#define S3C2410_SDIIMSK_CMDSENT (1 << 16)
+#define S3C2410_SDIIMSK_CMDTIMEOUT (1 << 15)
+#define S3C2410_SDIIMSK_RESPONSEND (1 << 14)
+#define S3C2410_SDIIMSK_SDIOIRQ (1 << 12)
+#define S3C2410_SDIIMSK_FIFOFAIL (1 << 11)
+#define S3C2410_SDIIMSK_CRCSTATUS (1 << 10)
+#define S3C2410_SDIIMSK_DATACRC (1 << 9)
+#define S3C2410_SDIIMSK_DATATIMEOUT (1 << 8)
+#define S3C2410_SDIIMSK_DATAFINISH (1 << 7)
+#define S3C2410_SDIIMSK_TXFIFOHALF (1 << 4)
+#define S3C2410_SDIIMSK_RXFIFOLAST (1 << 2)
+#define S3C2410_SDIIMSK_RXFIFOHALF (1 << 0)
+
enum dbg_channels {
dbg_err = (1 << 0),
dbg_debug = (1 << 1),
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 06:59:41 +0100