diff options
Diffstat (limited to 'packages/linux/linux-ezx/pxamci-4bit.patch')
| -rw-r--r-- | packages/linux/linux-ezx/pxamci-4bit.patch | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/packages/linux/linux-ezx/pxamci-4bit.patch b/packages/linux/linux-ezx/pxamci-4bit.patch new file mode 100644 index 0000000000..2e16c5fa27 --- /dev/null +++ b/packages/linux/linux-ezx/pxamci-4bit.patch @@ -0,0 +1,64 @@ +Index: linux-2.6.16.5-a/drivers/mmc/pxamci.c +=================================================================== +--- linux-2.6.16.5-a.orig/drivers/mmc/pxamci.c 2006-05-04 17:10:57.000000000 +0200 ++++ linux-2.6.16.5-a/drivers/mmc/pxamci.c 2006-05-04 17:10:57.000000000 +0200 +@@ -60,6 +60,8 @@ + unsigned int power_mode; + struct pxamci_platform_data *pdata; + ++ unsigned int bus_width; ++ + struct mmc_request *mrq; + struct mmc_command *cmd; + struct mmc_data *data; +@@ -178,6 +180,9 @@ + if (cmd->flags & MMC_RSP_BUSY) + cmdat |= CMDAT_BUSY; + ++ if (host->bus_width == MMC_BUS_WIDTH_4) ++ cmdat |= CMDAT_SD_4DAT; ++ + #define RSP_TYPE(x) ((x) & ~(MMC_RSP_BUSY|MMC_RSP_OPCODE)) + switch (RSP_TYPE(mmc_resp_type(cmd))) { + case RSP_TYPE(MMC_RSP_R1): /* r1, r1b, r6 */ +@@ -409,8 +414,12 @@ + host->cmdat |= CMDAT_INIT; + } + +- DBG("pxamci_set_ios: clkrt = %x cmdat = %x\n", +- host->clkrt, host->cmdat); ++ /* Store bus width for later */ ++ if (host->mmc->caps & MMC_CAP_4_BIT_DATA) ++ host->bus_width = ios->bus_width; ++ ++ DBG("pxamci_set_ios: clkrt = %x cmdat = %x width = %x\n", ++ host->clkrt, host->cmdat, host->bus_width); + } + + static struct mmc_host_ops pxamci_ops = { +@@ -458,6 +467,9 @@ + mmc->ops = &pxamci_ops; + mmc->f_min = CLOCKRATE_MIN; + mmc->f_max = CLOCKRATE_MAX; ++#ifdef CONFIG_PXA27x ++ //mmc->caps = MMC_CAP_4_BIT_DATA; ++#endif + + /* + * We can do SG-DMA, but we don't because we never know how much +Index: linux-2.6.16.5-a/drivers/mmc/pxamci.h +=================================================================== +--- linux-2.6.16.5-a.orig/drivers/mmc/pxamci.h 2006-05-04 17:11:43.000000000 +0200 ++++ linux-2.6.16.5-a/drivers/mmc/pxamci.h 2006-05-04 17:12:08.000000000 +0200 +@@ -47,6 +47,11 @@ + #define SPI_EN (1 << 0) + + #define MMC_CMDAT 0x0010 ++#define CMDAT_SDIO_RESUME (1 << 13) /* PXA27x */ ++#define CMDAT_SDIO_SUSPEND (1 << 12) /* PXA27x */ ++#define CMDAT_SDIO_INT_EN (1 << 11) /* PXA27x */ ++#define CMDAT_STOP_TRAN (1 << 10) /* PXA27x */ ++#define CMDAT_SD_4DAT (1 << 8) /* PXA27x */ + #define CMDAT_DMAEN (1 << 7) + #define CMDAT_INIT (1 << 6) + #define CMDAT_BUSY (1 << 5) |