[U-Boot] [PATCH v1]ppc/P1_P2_RDB: On-chip ROM boot

[Dipen Dudhat]

On Chip BootROM support for P1 and P2 series RDB platforms.

This patch is derived from latest On Chip BootROM support on MPC8536DS by Mingkai Hu.

Signed-off-by: Dipen Dudhat <dipen.dudhat at freescale.com>
---
- Applies to http://git.denx.de/u-boot.git
 MAKEALL                             |    2 ++
 Makefile                            |    2 ++
 board/freescale/p1_p2_rdb/config.mk |   12 ++++++++++++
 include/configs/P1_P2_RDB.h         |   17 ++++++++++++++++-
 4 files changed, 32 insertions(+), 1 deletions(-)

diff --git a/MAKEALL b/MAKEALL
index de81c93..3daee59 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -399,6 +399,8 @@ LIST_85xx="		\
 	P2010RDB	\
 	P2020RDB	\
 	P2020RDB_NAND	\
+	P2020RDB_SDCARD	\
+	P2020RDB_SPIFLASH	\
 	PM854		\
 	PM856		\
 	sbc8540		\
diff --git a/Makefile b/Makefile
index 652d930..9afb145 100644
--- a/Makefile
+++ b/Makefile
@@ -2527,6 +2527,8 @@ P1011RDB_config	\
 P1020RDB_config	\
 P2010RDB_config \
 P2020RDB_NAND_config \
+P2020RDB_SDCARD_config \
+P2020RDB_SPIFLASH_config \
 P2020RDB_config:	unconfig
 	@$(MKCONFIG) -t $(@:_config=) P1_P2_RDB ppc mpc85xx p1_p2_rdb freescale
 
diff --git a/board/freescale/p1_p2_rdb/config.mk b/board/freescale/p1_p2_rdb/config.mk
index 17abcf8..0f7a048 100644
--- a/board/freescale/p1_p2_rdb/config.mk
+++ b/board/freescale/p1_p2_rdb/config.mk
@@ -31,8 +31,20 @@ LDSCRIPT := $(TOPDIR)/cpu/$(CPU)/u-boot-nand.lds
 endif
 endif
 
+ifeq ($(CONFIG_MK_SDCARD), y)
+TEXT_BASE = $(CONFIG_RAMBOOT_TEXT_BASE)
+RESET_VECTOR_ADDRESS = 0xf8fffffc
+endif
+
+ifeq ($(CONFIG_MK_SPIFLASH), y)
+TEXT_BASE = $(CONFIG_RAMBOOT_TEXT_BASE)
+RESET_VECTOR_ADDRESS = 0xf8fffffc
+endif
+
 ifndef TEXT_BASE
 TEXT_BASE = 0xeff80000
 endif
 
+ifndef RESET_VECTOR_ADDRESS
 RESET_VECTOR_ADDRESS = 0xeffffffc
+endif
diff --git a/include/configs/P1_P2_RDB.h b/include/configs/P1_P2_RDB.h
index aacd4ca..310242e 100644
--- a/include/configs/P1_P2_RDB.h
+++ b/include/configs/P1_P2_RDB.h
@@ -49,6 +49,16 @@
 #define CONFIG_RAMBOOT_TEXT_BASE	0xf8f82000
 #endif
 
+#ifdef CONFIG_MK_SDCARD
+#define CONFIG_RAMBOOT_SDCARD		1
+#define CONFIG_RAMBOOT_TEXT_BASE	0xf8f80000
+#endif
+
+#ifdef CONFIG_MK_SPIFLASH
+#define CONFIG_RAMBOOT_SPIFLASH		1
+#define CONFIG_RAMBOOT_TEXT_BASE	0xf8f80000
+#endif
+
 /* High Level Configuration Options */
 #define CONFIG_BOOKE		1	/* BOOKE */
 #define CONFIG_E500		1	/* BOOKE e500 family */
@@ -182,7 +192,8 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
 
 #define CONFIG_SYS_MONITOR_BASE	TEXT_BASE	/* start of monitor */
 
-#if defined(CONFIG_SYS_SPL) || defined(CONFIG_RAMBOOT_NAND)
+#if defined(CONFIG_SYS_SPL) || defined(CONFIG_RAMBOOT_NAND) \
+	|| defined(CONFIG_RAMBOOT_SDCARD) || defined(CONFIG_RAMBOOT_SPIFLASH)
 #define CONFIG_SYS_RAMBOOT
 #else
 #undef CONFIG_SYS_RAMBOOT
@@ -426,6 +437,10 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
 	#define CONFIG_ENV_IS_IN_NAND	1
 	#define CONFIG_ENV_SIZE		CONFIG_SYS_NAND_BLOCK_SIZE
 	#define CONFIG_ENV_OFFSET	((512 * 1024) + CONFIG_SYS_NAND_BLOCK_SIZE)
+#elif defined(CONFIG_RAMBOOT_SDCARD) || defined(CONFIG_RAMBOOT_SPIFLASH)
+	#define CONFIG_ENV_IS_NOWHERE	1	/* Store ENV in memory only */
+	#define CONFIG_ENV_ADDR		(CONFIG_SYS_MONITOR_BASE - 0x1000)
+	#define CONFIG_ENV_SIZE		0x2000
 #endif
 #else
 	#define CONFIG_ENV_IS_IN_FLASH	1
-- 
1.5.6.3