ColdFire: Misc update for M53017

Reside Ethernet buffer descriptors in SRAM instead of DRAM. Add
CONFIG_SYS_TX_ETH_BUFFER in platform configuration file. Update
DRAM control and SRAM control register setting. Update cache
setting where size does not write to proper region.

Signed-off-by: TsiChung Liew <tsicliew@gmail.com>
Signed-off-by: Jason Jin <Jason.jin@freescale.com>

cpu/mcf532x/start.S

@@ -284,7 +284,7 @@ _int_handler:
 icache_enable:
 	move.l	#0x01000000, %d0		/* Invalidate cache cmd */
 	movec	%d0, %CACR			/* Invalidate cache */
-	move.l  #(CONFIG_SYS_SDRAM_BASE + 0xc000 + ((CONFIG_SYS_SDRAM_SIZE & 0x1fe0) << 11)), %d0
+	move.l  #(CONFIG_SYS_SDRAM_BASE + 0xc000 + ((CONFIG_SYS_SDRAM_SIZE & 0x1fe0 - 1) << 16)), %d0
 	movec	%d0, %ACR0			/* Enable cache */
 
 	move.l	#0x80000200, %d0		/* Setup cache mask */

include/configs/M53017EVB.h

@@ -69,6 +69,8 @@
 #	define CONFIG_MII_INIT		1
 #	define CONFIG_SYS_DISCOVER_PHY
 #	define CONFIG_SYS_RX_ETH_BUFFER	8
+#	define CONFIG_SYS_TX_ETH_BUFFER	8
+#	define CONFIG_SYS_FEC_BUF_USE_SRAM
 #	define CONFIG_SYS_FAULT_ECHO_LINK_DOWN
 #	define CONFIG_HAS_ETH1
 
@@ -166,7 +168,7 @@
  */
 #define CONFIG_SYS_INIT_RAM_ADDR	0x80000000
 #define CONFIG_SYS_INIT_RAM_END		0x20000	/* End of used area in internal SRAM */
-#define CONFIG_SYS_INIT_RAM_CTRL	0x21
+#define CONFIG_SYS_INIT_RAM_CTRL	0x221
 #define CONFIG_SYS_GBL_DATA_SIZE	128	/* size in bytes reserved for initial data */
 #define CONFIG_SYS_GBL_DATA_OFFSET	((CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE) - 0x10)
 #define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
@@ -180,7 +182,7 @@
 #define CONFIG_SYS_SDRAM_SIZE		64	/* SDRAM size in MB */
 #define CONFIG_SYS_SDRAM_CFG1		0x43711630
 #define CONFIG_SYS_SDRAM_CFG2		0x56670000
-#define CONFIG_SYS_SDRAM_CTRL		0xE1002000
+#define CONFIG_SYS_SDRAM_CTRL		0xE1092000
 #define CONFIG_SYS_SDRAM_EMOD		0x80010000
 #define CONFIG_SYS_SDRAM_MODE		0x00CD0000