Merge branch 'master' of git://www.denx.de/git/u-boot-imx

[karo-tx-uboot.git] / drivers / mmc / fsl_esdhc.c

diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index 50cba64d99aded9172f1d92421be4b49880dc82a..cb46b13cbd37de6fbf905d34ffee2672dc90d364 100644 (file)
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -23,6 +23,13 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
+#define SDHCI_IRQ_EN_BITS              (IRQSTATEN_CC | IRQSTATEN_TC | \
+                               IRQSTATEN_CINT | \
+                               IRQSTATEN_CTOE | IRQSTATEN_CCE | IRQSTATEN_CEBE | \
+                               IRQSTATEN_CIE | IRQSTATEN_DTOE | IRQSTATEN_DCE | \
+                               IRQSTATEN_DEBE | IRQSTATEN_BRR | IRQSTATEN_BWR | \
+                               IRQSTATEN_DINT)
+
 struct fsl_esdhc {
        uint    dsaddr;         /* SDMA system address register */
        uint    blkattr;        /* Block attributes register */
@@ -96,7 +103,7 @@ static uint esdhc_xfertyp(struct mmc_cmd *cmd, struct mmc_data *data)
        else if (cmd->resp_type & MMC_RSP_PRESENT)
                xfertyp |= XFERTYP_RSPTYP_48;
 
-#if defined(CONFIG_MX53) || defined(CONFIG_PPC_T4240)
+#if defined(CONFIG_MX53) || defined(CONFIG_PPC_T4240) || defined(CONFIG_LS102XA)
        if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION)
                xfertyp |= XFERTYP_CMDTYP_ABORT;
 #endif
@@ -174,7 +181,7 @@ static int esdhc_setup_data(struct mmc *mmc, struct mmc_data *data)
        int timeout;
        struct fsl_esdhc_cfg *cfg = mmc->priv;
        struct fsl_esdhc *regs = (struct fsl_esdhc *)cfg->esdhc_base;
-#ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
+
        uint wml_value;
 
        wml_value = data->blocksize/4;
@@ -184,12 +191,15 @@ static int esdhc_setup_data(struct mmc *mmc, struct mmc_data *data)
                        wml_value = WML_RD_WML_MAX_VAL;
 
                esdhc_clrsetbits32(&regs->wml, WML_RD_WML_MASK, wml_value);
+#ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
                esdhc_write32(&regs->dsaddr, (u32)data->dest);
+#endif
        } else {
+#ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
                flush_dcache_range((ulong)data->src,
                                   (ulong)data->src+data->blocks
                                         *data->blocksize);
-
+#endif
                if (wml_value > WML_WR_WML_MAX)
                        wml_value = WML_WR_WML_MAX_VAL;
                if ((esdhc_read32(&regs->prsstat) & PRSSTAT_WPSPL) == 0) {
@@ -199,19 +209,10 @@ static int esdhc_setup_data(struct mmc *mmc, struct mmc_data *data)
 
                esdhc_clrsetbits32(&regs->wml, WML_WR_WML_MASK,
                                        wml_value << 16);
+#ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
                esdhc_write32(&regs->dsaddr, (u32)data->src);
+#endif
        }
-#else  /* CONFIG_SYS_FSL_ESDHC_USE_PIO */
-       if (!(data->flags & MMC_DATA_READ)) {
-               if ((esdhc_read32(&regs->prsstat) & PRSSTAT_WPSPL) == 0) {
-                       printf("\nThe SD card is locked. "
-                               "Can not write to a locked card.\n\n");
-                       return TIMEOUT;
-               }
-               esdhc_write32(&regs->dsaddr, (u32)data->src);
-       } else
-               esdhc_write32(&regs->dsaddr, (u32)data->dest);
-#endif /* CONFIG_SYS_FSL_ESDHC_USE_PIO */
 
        esdhc_write32(&regs->blkattr, data->blocks << 16 | data->blocksize);
 
@@ -252,6 +253,7 @@ static int esdhc_setup_data(struct mmc *mmc, struct mmc_data *data)
        return 0;
 }
 
+#ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO
 static void check_and_invalidate_dcache_range
        (struct mmc_cmd *cmd,
         struct mmc_data *data) {
@@ -261,6 +263,8 @@ static void check_and_invalidate_dcache_range
        unsigned end = start+size ;
        invalidate_dcache_range(start, end);
 }
+#endif
+
 /*
  * Sends a command out on the bus.  Takes the mmc pointer,
  * a command pointer, and an optional data pointer.
@@ -388,9 +392,10 @@ esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
                                goto out;
                        }
                } while ((irqstat & DATA_COMPLETE) != DATA_COMPLETE);
-#endif
+
                if (data->flags & MMC_DATA_READ)
                        check_and_invalidate_dcache_range(cmd, data);
+#endif
        }
 
 out:
@@ -560,10 +565,11 @@ int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg)
        esdhc_setbits32(&regs->sysctl, SYSCTL_PEREN | SYSCTL_HCKEN
                                | SYSCTL_IPGEN | SYSCTL_CKEN);
 
+       writel(SDHCI_IRQ_EN_BITS, &regs->irqstaten);
        memset(&cfg->cfg, 0, sizeof(cfg->cfg));
 
        voltage_caps = 0;
-       caps = regs->hostcapblt;
+       caps = esdhc_read32(&regs->hostcapblt);
 
 #ifdef CONFIG_SYS_FSL_ERRATUM_ESDHC135
        caps = caps & ~(ESDHC_HOSTCAPBLT_SRS |
@@ -612,7 +618,7 @@ int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg)
 #endif
 
        cfg->cfg.f_min = 400000;
-       cfg->cfg.f_max = MIN(gd->arch.sdhc_clk, 52000000);
+       cfg->cfg.f_max = min(gd->arch.sdhc_clk, (u32)52000000);
 
        cfg->cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;