[U-Boot] [PATCH 3/3] powerpc/85xx: Add eSDHC support on P2020DS

[Kumar Gala]

From: Jerry Huang <Chang-Ming.Huang at freescale.com>

We enable SDHC_CD and SDHC_WP signals (pin muxed with GPIO8 & GPIO9
respectively).

We enable EXT2, FAT, and parition support for both MMC & USB configs.

Signed-off-by: Jerry Huang <Chang-Ming.Huang at freescale.com>
Signed-off-by: Jin Qing <b24347 at freescale.com>
Signed-off-by: Kumar Gala <galak at kernel.crashing.org>
---
 board/freescale/p2020ds/p2020ds.c |   15 ++++++++++++++-
 include/configs/P2020DS.h         |   25 ++++++++++++++++++++++++-
 2 files changed, 38 insertions(+), 2 deletions(-)

diff --git a/board/freescale/p2020ds/p2020ds.c b/board/freescale/p2020ds/p2020ds.c
index 8546aa9..7d72491 100644
--- a/board/freescale/p2020ds/p2020ds.c
+++ b/board/freescale/p2020ds/p2020ds.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2007-2010 Freescale Semiconductor, Inc.
+ * Copyright 2007-2011 Freescale Semiconductor, Inc.
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -44,6 +44,19 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
+int board_early_init_f(void)
+{
+#ifdef CONFIG_MMC
+	ccsr_gur_t *gur = (ccsr_gur_t *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+
+	setbits_be32(&gur->pmuxcr,
+			 (MPC85xx_PMUXCR_SDHC_CD |
+			 MPC85xx_PMUXCR_SDHC_WP));
+#endif
+
+	return 0;
+}
+
 int checkboard(void)
 {
 	u8 sw;
diff --git a/include/configs/P2020DS.h b/include/configs/P2020DS.h
index b32a997..d4770f2 100644
--- a/include/configs/P2020DS.h
+++ b/include/configs/P2020DS.h
@@ -78,6 +78,8 @@
 #define CONFIG_L2_CACHE			/* toggle L2 cache */
 #define CONFIG_BTB			/* toggle branch predition */
 
+#define CONFIG_BOARD_EARLY_INIT_F	/* Call board_pre_init */
+
 #define CONFIG_ENABLE_36BIT_PHYS	1
 
 #ifdef CONFIG_PHYS_64BIT
@@ -605,15 +607,36 @@
 /*
  * USB
  */
+#define CONFIG_USB_EHCI
+
+#ifdef CONFIG_USB_EHCI
 #define CONFIG_CMD_USB
 #define CONFIG_USB_STORAGE
-#define CONFIG_USB_EHCI
 #define CONFIG_USB_EHCI_FSL
 #define CONFIG_EHCI_HCD_INIT_AFTER_RESET
+#endif
 
 #undef CONFIG_WATCHDOG			/* watchdog disabled */
 
 /*
+ * SDHC/MMC
+ */
+#define CONFIG_MMC
+
+#ifdef CONFIG_MMC
+#define CONFIG_FSL_ESDHC
+#define CONFIG_SYS_FSL_ESDHC_ADDR	CONFIG_SYS_MPC85xx_ESDHC_ADDR
+#define CONFIG_CMD_MMC
+#define CONFIG_GENERIC_MMC
+#endif
+
+#if defined(CONFIG_MMC) || defined(CONFIG_USB_EHCI)
+#define CONFIG_CMD_EXT2
+#define CONFIG_CMD_FAT
+#define CONFIG_DOS_PARTITION
+#endif
+
+/*
  * Miscellaneous configurable options
  */
 #define CONFIG_SYS_LONGHELP			/* undef to save memory	*/
-- 
1.7.2.3