platform/target: Add SDHCI support for Ferrum

Add SDHCI support for Ferrum.

Change-Id: I8af069c86ce089ed8459bc9a1591e19bc21b0676
diff --git a/platform/ferrum/include/platform/iomap.h b/platform/ferrum/include/platform/iomap.h
index 14109d7..5ac39ac 100644
--- a/platform/ferrum/include/platform/iomap.h
+++ b/platform/ferrum/include/platform/iomap.h
@@ -47,7 +47,16 @@
 #define PERIPH_SS_BASE              0x07800000
 
 #define MSM_SDC1_BASE               (PERIPH_SS_BASE + 0x00024000)
+#define MSM_SDC1_SDHCI_BASE         (PERIPH_SS_BASE + 0x00024900)
 #define MSM_SDC2_BASE               (PERIPH_SS_BASE + 0x00064000)
+#define MSM_SDC2_SDHCI_BASE         (PERIPH_SS_BASE + 0x00064900)
+
+/* SDHCI */
+#define SDCC_MCI_HC_MODE            (0x00000078)
+#define SDCC_HC_PWRCTL_STATUS_REG   (0x000000DC)
+#define SDCC_HC_PWRCTL_MASK_REG     (0x000000E0)
+#define SDCC_HC_PWRCTL_CLEAR_REG    (0x000000E4)
+#define SDCC_HC_PWRCTL_CTL_REG      (0x000000E8)
 
 #define BLSP1_UART0_BASE            (PERIPH_SS_BASE + 0x000AF000)
 #define BLSP1_UART1_BASE            (PERIPH_SS_BASE + 0x000B0000)