extract definitions for EXT_CSD register EXT_CSD_PARTITIONING_SUPPORT

Signed-off-by: Chris Ball <cjb@laptop.org>

mmc.h

@@ -43,6 +43,7 @@
 #define EXT_CSD_SANITIZE_START		165
 #define EXT_CSD_BKOPS_EN		163	/* R/W */
 #define EXT_CSD_RST_N_FUNCTION		162	/* R/W */
+#define EXT_CSD_PARTITIONING_SUPPORT	160	/* RO */
 #define EXT_CSD_NATIVE_SECTOR_SIZE	63 /* R */
 #define EXT_CSD_USE_NATIVE_SECTOR	62 /* R/W */
 #define EXT_CSD_DATA_SECTOR_SIZE	61 /* R */
@@ -82,6 +83,8 @@
 #define EXT_CSD_PART_CONFIG_ACC_BOOT1	  (0x2)
 #define EXT_CSD_PART_CONFIG_ACC_USER_AREA (0x7)
 #define EXT_CSD_PART_CONFIG_ACC_ACK	  (0x40)
+#define EXT_CSD_PARTITIONING_EN		(1<<0)
+#define EXT_CSD_ENH_ATTRIBUTE_EN	(1<<1)
 
 /* From kernel linux/mmc/core.h */
 #define MMC_RSP_PRESENT	(1 << 0)

mmc_cmds.c

@@ -660,14 +660,14 @@ int do_read_extcsd(int nargs, char **argv)
 		printf("H/W reset function"
 			" [RST_N_FUNCTION]: 0x%02x\n", ext_csd[162]);
 		printf("HPI management [HPI_MGMT]: 0x%02x\n", ext_csd[161]);
-		reg = ext_csd[160];
+		reg = ext_csd[EXT_CSD_PARTITIONING_SUPPORT];
 		printf("Partitioning Support [PARTITIONING_SUPPORT]: 0x%02x\n",
 			reg);
-		if (reg & 0x1)
+		if (reg & EXT_CSD_PARTITIONING_EN)
 			printf(" Device support partitioning feature\n");
 		else
 			printf(" Device NOT support partitioning feature\n");
-		if (reg & 0x2)
+		if (reg & EXT_CSD_ENH_ATTRIBUTE_EN)
 			printf(" Device can have enhanced tech.\n");
 		else
 			printf(" Device cannot have enhanced tech.\n");