ST1.5 board support and some ST1.0/1.5 common changes.

drivers/mmc/qsd_sdcc.c

Index: drivers/mmc/qsd_sdcc.c
diff --git a/drivers/mmc/qsd_sdcc.c b/drivers/mmc/qsd_sdcc.c
index 7319105a8179d0db1ade47383a2ab77db8a8bf7e..f41713ecce9118fc80b00f1065ab7beb25cbb183 100755
--- a/drivers/mmc/qsd_sdcc.c
+++ b/drivers/mmc/qsd_sdcc.c
@@ -155,13 +155,18 @@ int sdcc_read_data(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
     }
     else
     {
+        int read_len = ( (data->blocks) * data->blocksize);
+
         while( (status = IO_READ32(base + MCI_STATUS)) & MCI_STATUS_READ_DATA_MASK)
         {
-            if(status & MCI_STATUS__RXDATA_AVLBL___M)
+            if(byte_count < read_len)
             {
-                *dest_ptr = IO_READ32(base + MCI_FIFO);
-                dest_ptr++;
-                byte_count += 4;
+                if(status & MCI_STATUS__RXDATA_AVLBL___M)
+                {
+                    *dest_ptr = IO_READ32(base + MCI_FIFO);
+                    dest_ptr++;
+                    byte_count += 4;
+                }
             }
         }
     }
@@ -174,9 +179,8 @@ static int sdcc_mclk_set(int instance, enum SD_MCLK_speed speed)
 #ifndef USE_PROC_COMM
     #error "use proc_comm"
 #else
-    /* SDCn_NS_REG clk enable bits are turned on automatically as part of */
-    /* setting clk speed. No need to enable sdcard clk explicitely */
     proc_comm_set_sdcard_clk(instance, speed);
+    proc_comm_enable_sdcard_clk(instance);
 #endif /*USE_PROC_COMM*/
 
    return 0;
@@ -488,6 +492,8 @@ int sdcc_init(struct mmc *mmc)
 
     /* Set the interface clock */
     proc_comm_set_sdcard_clk(sd->instance, MCLK_400KHz);
+    proc_comm_enable_sdcard_clk(sd->instance);
+
 
     /* Initialize controller */
     sdcc_controller_init(sd);