OMAP3: BeagleBoard: add xM rev B to ID table

Patch was updated by Jason Kridner <jkridner@beagleboard.org>:
* Use tabs to match style of other board revisions
* Only include board revisions that exist
* Default to the same configuration as the latest revision, but
  without setting 'beaglerev'
Signed-off-by: NKoen Kooi <koen@dominion.thruhere.net>
Signed-off-by: NJason Kridner <jkridner@beagleboard.org>
Signed-off-by: NSandeep Paulraj <s-paulraj@ti.com>

board/ti/beagle/beagle.c

@@ -164,18 +164,15 @@ int misc_init_r(void)
 	case REVISION_AXBX:
 		printf("Beagle Rev Ax/Bx\n");
 		setenv("beaglerev", "AxBx");
-		setenv("mpurate", "600");
 		break;
 	case REVISION_CX:
 		printf("Beagle Rev C1/C2/C3\n");
 		setenv("beaglerev", "Cx");
-		setenv("mpurate", "600");
 		MUX_BEAGLE_C();
 		break;
 	case REVISION_C4:
 		printf("Beagle Rev C4\n");
 		setenv("beaglerev", "C4");
-		setenv("mpurate", "720");
 		MUX_BEAGLE_C();
 		/* Set VAUX2 to 1.8V for EHCI PHY */
 		twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
@@ -183,10 +180,19 @@ int misc_init_r(void)
 					TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
 					TWL4030_PM_RECEIVER_DEV_GRP_P1);
 		break;
-	case REVISION_XM:
+	case REVISION_XM_A:
 		printf("Beagle xM Rev A\n");
 		setenv("beaglerev", "xMA");
-		setenv("mpurate", "1000");
+		MUX_BEAGLE_XM();
+		/* Set VAUX2 to 1.8V for EHCI PHY */
+		twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
+					TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
+					TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
+					TWL4030_PM_RECEIVER_DEV_GRP_P1);
+		break;
+	case REVISION_XM_B:
+		printf("Beagle xM Rev B\n");
+		setenv("beaglerev", "xMB");
 		MUX_BEAGLE_XM();
 		/* Set VAUX2 to 1.8V for EHCI PHY */
 		twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
@@ -196,6 +202,12 @@ int misc_init_r(void)
 		break;
 	default:
 		printf("Beagle unknown 0x%02x\n", get_board_revision());
+		MUX_BEAGLE_XM();
+		/* Set VAUX2 to 1.8V for EHCI PHY */
+		twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED,
+					TWL4030_PM_RECEIVER_VAUX2_VSEL_18,
+					TWL4030_PM_RECEIVER_VAUX2_DEV_GRP,
+					TWL4030_PM_RECEIVER_DEV_GRP_P1);
 	}
 
 	switch (get_expansion_id()) {

board/ti/beagle/beagle.h

@@ -37,7 +37,8 @@ const omap3_sysinfo sysinfo = {
 #define REVISION_AXBX	0x7
 #define REVISION_CX	0x6
 #define REVISION_C4	0x5
-#define REVISION_XM	0x0
+#define REVISION_XM_A	0x0
+#define REVISION_XM_B	0x1
 
 /*
  * IEN  - Input Enable

include/configs/omap3_beagle.h

@@ -203,7 +203,7 @@
 	"loadaddr=0x82000000\0" \
 	"usbtty=cdc_acm\0" \
 	"console=ttyS2,115200n8\0" \
-	"mpurate=500\0" \
+	"mpurate=auto\0" \
 	"vram=12M\0" \
 	"dvimode=1024x768MR-16@60\0" \
 	"defaultdisplay=dvi\0" \