Add support for Silicon Turnkey eXpress XTc (mpc87x/88x) board.

Patch by Dan Malek and Pantelis Antoniou, 15 Aug 2005

1 files changed, 592 insertions, 0 deletions

diff --git a/include/configs/stxxtc.h b/include/configs/stxxtc.h
new file mode 100644
index 0000000..a0e1ba7
--- /dev/null
+++ b/include/configs/stxxtc.h
@@ -0,0 +1,592 @@
+/*
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * Dan Malek, Embedded Edge, LLC, dan@embeddededge.com
+ * U-Boot port on STx XTc 8xx board
+ * Mostly copied from Panto's NETTA2 board.
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+
+#define CONFIG_MPC875		1	/* This is a MPC875 CPU		*/
+#define CONFIG_STXXTC		1	/* ...on a STx XTc  board	*/
+
+#define	CONFIG_8xx_CONS_SMC1	1	/* Console is on SMC1		*/
+#undef	CONFIG_8xx_CONS_SMC2
+#undef	CONFIG_8xx_CONS_NONE
+
+#define CONFIG_BAUDRATE		38400	/* console baudrate = 38.4kbps	*/
+
+#define CONFIG_XIN		10000000	/* 10 MHz input xtal */
+
+/* Select one of few clock rates defined later in this file.
+*/
+/* #define MPC8XX_HZ		50000000 */
+#define MPC8XX_HZ		66666666
+
+#define CONFIG_8xx_GCLK_FREQ	MPC8XX_HZ
+
+#if 0
+#define CONFIG_BOOTDELAY	-1	/* autoboot disabled		*/
+#else
+#define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
+#endif
+
+#undef	CONFIG_CLOCKS_IN_MHZ	/* clocks NOT passsed to Linux in MHz */
+
+#undef	CONFIG_BOOTARGS
+#define CONFIG_BOOTCOMMAND							\
+	"tftpboot; " 								\
+	"setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " 	\
+	"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " 	\
+	"bootm"
+
+#define CONFIG_AUTOSCRIPT
+#define CONFIG_LOADS_ECHO	0	/* echo off for serial download	*/
+#undef	CFG_LOADS_BAUD_CHANGE		/* don't allow baudrate change	*/
+
+#undef	CONFIG_WATCHDOG			/* watchdog disabled		*/
+
+#define	CONFIG_STATUS_LED	1	/* Status LED enabled		*/
+#define CONFIG_BOARD_SPECIFIC_LED	/* version has board specific leds */
+
+#define CONFIG_BOOTP_MASK		(CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE | CONFIG_BOOTP_NISDOMAIN)
+
+#undef CONFIG_MAC_PARTITION
+#undef CONFIG_DOS_PARTITION
+
+#define	CONFIG_RTC_MPC8xx		/* use internal RTC of MPC8xx	*/
+
+#define	CONFIG_NET_MULTI	1 	/* the only way to get the FEC in */
+#define	FEC_ENET		1	/* eth.c needs it that way... */
+#undef CFG_DISCOVER_PHY
+#define CONFIG_MII		1
+#undef CONFIG_RMII
+
+#define CONFIG_ETHER_ON_FEC1	1
+#define CONFIG_FEC1_PHY		1 	/* phy address of FEC */
+#undef CONFIG_FEC1_PHY_NORXERR
+
+#define CONFIG_ETHER_ON_FEC2	1
+#define CONFIG_FEC2_PHY		3
+#undef CONFIG_FEC2_PHY_NORXERR
+
+#define CONFIG_ENV_OVERWRITE	1	/* allow modification of vendor params */
+
+#define CONFIG_COMMANDS       ( CONFIG_CMD_DFL	| \
+				CFG_CMD_NAND	| \
+				CFG_CMD_DHCP	| \
+				CFG_CMD_PING  	| \
+				CFG_CMD_MII	| \
+				CFG_CMD_NFS)
+
+#define CONFIG_BOARD_EARLY_INIT_F	1
+#define CONFIG_MISC_INIT_R
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+/*
+ * Miscellaneous configurable options
+ */
+#define	CFG_LONGHELP			/* undef to save memory		*/
+#define	CFG_PROMPT	"xtc> "		/* Monitor Command Prompt	*/
+
+#define CFG_HUSH_PARSER	1
+#define CFG_PROMPT_HUSH_PS2	"> "
+
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define	CFG_CBSIZE	1024		/* Console I/O Buffer Size	*/
+#else
+#define	CFG_CBSIZE	256		/* Console I/O Buffer Size	*/
+#endif
+#define	CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
+#define	CFG_MAXARGS	16		/* max number of command args	*/
+#define CFG_BARGSIZE	CFG_CBSIZE	/* Boot Argument Buffer Size	*/
+
+#define CFG_MEMTEST_START	0x0300000	/* memtest works on	*/
+#define CFG_MEMTEST_END		0x0700000	/* 3 ... 7 MB in DRAM	*/
+
+#define	CFG_LOAD_ADDR		0x100000	/* default load address	*/
+
+#define	CFG_HZ		1000		/* decrementer freq: 1 ms ticks	*/
+
+#define CFG_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
+
+/*
+ * Low Level Configuration Settings
+ * (address mappings, register initial values, etc.)
+ * You should know what you are doing if you make changes here.
+ */
+/*-----------------------------------------------------------------------
+ * Internal Memory Mapped Register
+ */
+#define CFG_IMMR		0xFF000000
+
+/*-----------------------------------------------------------------------
+ * Definitions for initial stack pointer and data area (in DPRAM)
+ */
+#define CFG_INIT_RAM_ADDR	CFG_IMMR
+#define	CFG_INIT_RAM_END	0x3000	/* End of used area in DPRAM	*/
+#define	CFG_GBL_DATA_SIZE	64  /* size in bytes reserved for initial data */
+#define CFG_GBL_DATA_OFFSET	(CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
+#define	CFG_INIT_SP_OFFSET	CFG_GBL_DATA_OFFSET
+
+/*-----------------------------------------------------------------------
+ * Start addresses for the final memory configuration
+ * (Set up by the startup code)
+ * Please note that CFG_SDRAM_BASE _must_ start at 0
+ */
+#define	CFG_SDRAM_BASE		0x00000000
+#define CFG_FLASH_BASE		0x40000000
+#if defined(DEBUG)
+#define	CFG_MONITOR_LEN		(256 << 10)	/* Reserve 256 kB for Monitor	*/
+#else
+#define	CFG_MONITOR_LEN		(192 << 10)	/* Reserve 192 kB for Monitor	*/
+#endif
+
+/* yes this is weird, I know :) */
+#define CFG_MONITOR_BASE	(CFG_FLASH_BASE | 0x00F00000)
+#define	CFG_MALLOC_LEN		(128 << 10)	/* Reserve 128 kB for malloc()	*/
+
+#define CFG_RESET_ADDRESS	0x80000000
+
+/*
+ * For booting Linux, the board info and command line data
+ * have to be in the first 8 MB of memory, since this is
+ * the maximum mapped by the Linux kernel during initialization.
+ */
+#define	CFG_BOOTMAPSZ		(8 << 20)	/* Initial Memory map for Linux	*/
+
+/*-----------------------------------------------------------------------
+ * FLASH organization
+ */
+#define	CFG_ENV_IS_IN_FLASH	1
+#define CFG_ENV_SECT_SIZE	0x10000
+
+#define	CFG_ENV_ADDR		(CFG_FLASH_BASE + 0x00000000)
+#define CFG_ENV_OFFSET		0
+#define	CFG_ENV_SIZE		0x4000
+
+#define CFG_ENV_ADDR_REDUND	(CFG_FLASH_BASE + 0x00010000)
+#define CFG_ENV_OFFSET_REDUND	0
+#define CFG_ENV_SIZE_REDUND	CFG_ENV_SIZE
+
+#define CFG_FLASH_CFI		1
+#define CFG_FLASH_CFI_DRIVER	1
+#undef CFG_FLASH_USE_BUFFER_WRITE 	/* use buffered writes (20x faster) */
+#define CFG_MAX_FLASH_SECT	128	/* max number of sectors on one chip */
+#define CFG_MAX_FLASH_BANKS	2	/* max number of memory banks	*/
+
+#define CFG_FLASH_BANKS_LIST { CFG_FLASH_BASE, CFG_FLASH_BASE + 0x2000000 }
+
+#define CFG_FLASH_PROTECTION
+
+/*-----------------------------------------------------------------------
+ * Cache Configuration
+ */
+#define CFG_CACHELINE_SIZE	16	/* For all MPC8xx CPUs */
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CFG_CACHELINE_SHIFT	4	/* log base 2 of the above value */
+#endif
+
+/*-----------------------------------------------------------------------
+ * SYPCR - System Protection Control				11-9
+ * SYPCR can only be written once after reset!
+ *-----------------------------------------------------------------------
+ * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
+ */
+#if defined(CONFIG_WATCHDOG)
+#define CFG_SYPCR	(SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
+			 SYPCR_SWE  | SYPCR_SWRI| SYPCR_SWP)
+#else
+#define CFG_SYPCR	(SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
+#endif
+
+/*-----------------------------------------------------------------------
+ * SIUMCR - SIU Module Configuration				11-6
+ *-----------------------------------------------------------------------
+ * PCMCIA config., multi-function pin tri-state
+ */
+#define CFG_SIUMCR	(SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01 | SIUMCR_FRC | SIUMCR_GB5E)
+
+/*-----------------------------------------------------------------------
+ * TBSCR - Time Base Status and Control				11-26
+ *-----------------------------------------------------------------------
+ * Clear Reference Interrupt Status, Timebase freezing enabled
+ */
+#define CFG_TBSCR	(TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
+
+/*-----------------------------------------------------------------------
+ * RTCSC - Real-Time Clock Status and Control Register		11-27
+ *-----------------------------------------------------------------------
+ */
+#define CFG_RTCSC	(RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
+
+/*-----------------------------------------------------------------------
+ * PISCR - Periodic Interrupt Status and Control		11-31
+ *-----------------------------------------------------------------------
+ * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
+ */
+#define CFG_PISCR	(PISCR_PS | PISCR_PITF)
+
+/*-----------------------------------------------------------------------
+ * PLPRCR - PLL, Low-Power, and Reset Control Register		15-30
+ *-----------------------------------------------------------------------
+ * Reset PLL lock status sticky bit, timer expired status bit and timer
+ * interrupt status bit
+ *
+ */
+
+#if CONFIG_XIN == 10000000
+
+#if MPC8XX_HZ == 50000000
+#define CFG_PLPRCR	((0 << PLPRCR_MFN_SHIFT) | (0 << PLPRCR_MFD_SHIFT) | \
+			 (1 << PLPRCR_S_SHIFT) | (10 << PLPRCR_MFI_SHIFT) | (0 << PLPRCR_PDF_SHIFT) | \
+		 	 PLPRCR_TEXPS)
+#elif MPC8XX_HZ == 66666666
+#define CFG_PLPRCR	((1 << PLPRCR_MFN_SHIFT) | (2 << PLPRCR_MFD_SHIFT) | \
+			 (1 << PLPRCR_S_SHIFT) | (13 << PLPRCR_MFI_SHIFT) | (0 << PLPRCR_PDF_SHIFT) | \
+		 	 PLPRCR_TEXPS)
+#else
+#error unsupported CPU freq for XIN = 10MHz
+#endif
+#else
+#error unsupported freq for XIN (must be 10MHz)
+#endif
+
+
+/*
+ *-----------------------------------------------------------------------
+ * SCCR - System Clock and reset Control Register		15-27
+ *-----------------------------------------------------------------------
+ * Set clock output, timebase and RTC source and divider,
+ * power management and some other internal clocks
+ *
+ * Note: When TBS == 0 the timebase is independent of current cpu clock.
+ */
+
+#define SCCR_MASK	SCCR_EBDF11
+#if MPC8XX_HZ > 66666666
+#define CFG_SCCR	(/* SCCR_TBS     | */ SCCR_CRQEN | \
+			 SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
+			 SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
+			 SCCR_DFALCD00 | SCCR_EBDF01)
+#else
+#define CFG_SCCR	(/* SCCR_TBS     | */ SCCR_CRQEN | \
+			 SCCR_COM00   | SCCR_DFSYNC00 | SCCR_DFBRG00  | \
+			 SCCR_DFNL000 | SCCR_DFNH000  | SCCR_DFLCD000 | \
+			 SCCR_DFALCD00)
+#endif
+
+/*-----------------------------------------------------------------------
+ *
+ *-----------------------------------------------------------------------
+ *
+ */
+/*#define	CFG_DER	0x2002000F*/
+#define CFG_DER	0
+
+/*
+ * Init Memory Controller:
+ *
+ * BR0/1 and OR0/1 (FLASH)
+ */
+
+#define FLASH_BASE0_PRELIM	0x40000000	/* FLASH bank #0	*/
+#define FLASH_BASE1_PRELIM	0x42000000	/* FLASH bank #1	*/
+
+/* used to re-map FLASH both when starting from SRAM or FLASH:
+ * restrict access enough to keep SRAM working (if any)
+ * but not too much to meddle with FLASH accesses
+ */
+
+#define FLASH_BANK_MAX_SIZE	0x01000000	/* max size per chip */
+
+#define CFG_REMAP_OR_AM		0x80000000
+#define CFG_PRELIM_OR_AM	(0xFFFFFFFFLU & ~(FLASH_BANK_MAX_SIZE - 1))
+
+/* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1	*/
+#define CFG_OR_TIMING_FLASH	(OR_CSNT_SAM  | OR_BI | OR_SCY_5_CLK | OR_TRLX)
+
+#define CFG_OR0_REMAP	(CFG_REMAP_OR_AM  | CFG_OR_TIMING_FLASH)
+#define CFG_OR0_PRELIM	(CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
+#define CFG_BR0_PRELIM	((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V )
+
+#define CFG_OR1_PRELIM	((0xFFFFFFFFLU & ~(FLASH_BANK_MAX_SIZE - 1)) | CFG_OR_TIMING_FLASH)
+#define CFG_BR1_PRELIM	((FLASH_BASE1_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V )
+
+/*
+ * BR4 and OR4 (SDRAM)
+ *
+ */
+#define SDRAM_BASE1_PRELIM	0x00000000	/* SDRAM bank #0	*/
+#define	SDRAM_MAX_SIZE		(256 << 20)	/* max 256MB per bank	*/
+
+/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care)	*/
+#define CFG_OR_TIMING_SDRAM	(OR_CSNT_SAM | OR_G5LS)
+
+#define CFG_OR4_PRELIM	((0xFFFFFFFFLU & ~(SDRAM_MAX_SIZE - 1)) | CFG_OR_TIMING_SDRAM)
+#define CFG_BR4_PRELIM	((SDRAM_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_PS_32 | BR_V)
+
+/*
+ * Memory Periodic Timer Prescaler
+ */
+
+/*
+ * Memory Periodic Timer Prescaler
+ *
+ * The Divider for PTA (refresh timer) configuration is based on an
+ * example SDRAM configuration (64 MBit, one bank). The adjustment to
+ * the number of chip selects (NCS) and the actually needed refresh
+ * rate is done by setting MPTPR.
+ *
+ * PTA is calculated from
+ *	PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
+ *
+ *	gclk	  CPU clock (not bus clock!)
+ *	Trefresh  Refresh cycle * 4 (four word bursts used)
+ *
+ * 4096  Rows from SDRAM example configuration
+ * 1000  factor s -> ms
+ *   32  PTP (pre-divider from MPTPR) from SDRAM example configuration
+ *    4  Number of refresh cycles per period
+ *   64  Refresh cycle in ms per number of rows
+ * --------------------------------------------
+ * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
+ *
+ * 50 MHz => 50.000.000 / Divider =  98
+ * 66 Mhz => 66.000.000 / Divider = 129
+ * 80 Mhz => 80.000.000 / Divider = 156
+ */
+
+#define CFG_MAMR_PTA		 234
+
+/*
+ * For 16 MBit, refresh rates could be 31.3 us
+ * (= 64 ms / 2K = 125 / quad bursts).
+ * For a simpler initialization, 15.6 us is used instead.
+ *
+ * #define CFG_MPTPR_2BK_2K	MPTPR_PTP_DIV32		for 2 banks
+ * #define CFG_MPTPR_1BK_2K	MPTPR_PTP_DIV64		for 1 bank
+ */
+#define CFG_MPTPR_2BK_4K	MPTPR_PTP_DIV16		/* setting for 2 banks	*/
+#define CFG_MPTPR_1BK_4K	MPTPR_PTP_DIV32		/* setting for 1 bank	*/
+
+/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit		*/
+#define CFG_MPTPR_2BK_8K	MPTPR_PTP_DIV8		/* setting for 2 banks	*/
+#define CFG_MPTPR_1BK_8K	MPTPR_PTP_DIV16		/* setting for 1 bank	*/
+
+/*
+ * MAMR settings for SDRAM
+ */
+
+/* 8 column SDRAM */
+#define CFG_MAMR_8COL	((CFG_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE	    |	\
+			 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 |	\
+			 MAMR_RLFA_1X	 | MAMR_WLFA_1X	   | MAMR_TLFA_4X)
+
+/* 9 column SDRAM */
+#define CFG_MAMR_9COL	((CFG_MAMR_PTA << MAMR_PTA_SHIFT)  | MAMR_PTAE	    |	\
+			 MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 |	\
+			 MAMR_RLFA_1X	 | MAMR_WLFA_1X	   | MAMR_TLFA_4X)
+
+/*
+ * Internal Definitions
+ *
+ * Boot Flags
+ */
+#define	BOOTFLAG_COLD	0x01		/* Normal Power-On: Boot from FLASH	*/
+#define BOOTFLAG_WARM	0x02		/* Software reboot			*/
+
+#define CONFIG_LAST_STAGE_INIT		/* needed to reset the damn phys */
+
+/****************************************************************/
+
+#define NAND_SIZE	0x00010000	/* 64K */
+#define NAND_BASE	0xF1000000
+
+/****************************************************************/
+
+/* NAND */
+#define CFG_NAND_BASE		NAND_BASE
+#define CONFIG_MTD_NAND_ECC_JFFS2
+#define CONFIG_MTD_NAND_VERIFY_WRITE
+#define CONFIG_MTD_NAND_UNSAFE
+
+#define CFG_MAX_NAND_DEVICE	1
+#undef NAND_NO_RB
+
+#define SECTORSIZE		512
+#define ADDR_COLUMN		1
+#define ADDR_PAGE		2
+#define ADDR_COLUMN_PAGE	3
+#define NAND_ChipID_UNKNOWN 	0x00
+#define NAND_MAX_FLOORS		1
+#define NAND_MAX_CHIPS		1
+
+/* ALE = PC15, CLE = PB23, CE = PA7, F_RY_BY = PA6 */
+#define NAND_DISABLE_CE(nand) \
+	do { \
+		(((volatile immap_t *)CFG_IMMR)->im_ioport.iop_padat) |=  (1 << (15 - 7)); \
+	} while(0)
+
+#define NAND_ENABLE_CE(nand) \
+	do { \
+		(((volatile immap_t *)CFG_IMMR)->im_ioport.iop_padat) &= ~(1 << (15 - 7)); \
+	} while(0)
+
+#define NAND_CTL_CLRALE(nandptr) \
+	do { \
+		(((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pcdat) &= ~(1 << (15 - 15)); \
+	} while(0)
+
+#define NAND_CTL_SETALE(nandptr) \
+	do { \
+		(((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pcdat) |=  (1 << (15 - 15)); \
+	} while(0)
+
+#define NAND_CTL_CLRCLE(nandptr) \
+	do { \
+		(((volatile immap_t *)CFG_IMMR)->im_cpm.cp_pbdat) &= ~(1 << (31 - 23)); \
+	} while(0)
+
+#define NAND_CTL_SETCLE(nandptr) \
+	do { \
+		(((volatile immap_t *)CFG_IMMR)->im_cpm.cp_pbdat) |=  (1 << (31 - 23)); \
+	} while(0)
+
+#ifndef NAND_NO_RB
+#define NAND_WAIT_READY(nand) \
+	do { \
+		int _tries = 0; \
+		while ((((volatile immap_t *)CFG_IMMR)->im_ioport.iop_padat & (1 << (15 - 6))) == 0) \
+			if (++_tries > 100000) \
+				break; \
+	} while (0)
+#else
+#define NAND_WAIT_READY(nand) udelay(12)
+#endif
+
+#define WRITE_NAND_COMMAND(d, adr) \
+	do { \
+		*(volatile unsigned char *)((unsigned long)(adr)) = (unsigned char)(d); \
+	} while(0)
+
+#define WRITE_NAND_ADDRESS(d, adr) \
+	do { \
+		*(volatile unsigned char *)((unsigned long)(adr)) = (unsigned char)(d); \
+	} while(0)
+
+#define WRITE_NAND(d, adr) \
+	do { \
+		*(volatile unsigned char *)((unsigned long)(adr)) = (unsigned char)(d); \
+	} while(0)
+
+#define READ_NAND(adr) \
+	((unsigned char)(*(volatile unsigned char *)(unsigned long)(adr)))
+
+/*****************************************************************************/
+
+#define CFG_DIRECT_FLASH_TFTP
+#define CFG_DIRECT_NAND_TFTP
+
+/*****************************************************************************/
+
+/* Status Leds are on the MODCK pins, which become the PCMCIA PGCRB,
+ * CxOE and CxRESET.  We use the CxOE.
+ */
+#define STATUS_LED_BIT		0x00000080		/* bit 24 */
+
+#define STATUS_LED_PERIOD	(CFG_HZ / 2)
+#define STATUS_LED_STATE	STATUS_LED_BLINKING
+
+#define STATUS_LED_ACTIVE	0		/* LED on for bit == 0	*/
+#define STATUS_LED_BOOT		0		/* LED 0 used for boot status */
+
+#ifndef __ASSEMBLY__
+
+/* LEDs */
+
+/* led_id_t is unsigned int mask */
+typedef unsigned int led_id_t;
+
+#define __led_toggle(_msk) \
+	do { \
+		((volatile immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pgcrb ^= (_msk); \
+	} while(0)
+
+#define __led_set(_msk, _st) \
+	do { \
+		if ((_st)) \
+			((volatile immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pgcrb |= (_msk); \
+		else \
+			((volatile immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pgcrb &= ~(_msk); \
+	} while(0)
+
+#define __led_init(msk, st) __led_set(msk, st)
+
+#endif
+
+/******************************************************************************/
+
+#define CFG_CONSOLE_IS_IN_ENV		1
+#define CFG_CONSOLE_OVERWRITE_ROUTINE	1
+#define CFG_CONSOLE_ENV_OVERWRITE	1
+
+/******************************************************************************/
+
+/* use board specific hardware */
+#undef	CONFIG_WATCHDOG			/* watchdog disabled		*/
+#define CONFIG_HW_WATCHDOG
+#define CONFIG_SHOW_ACTIVITY
+
+/*****************************************************************************/
+
+#define CONFIG_AUTO_COMPLETE	1
+#define CONFIG_CRC32_VERIFY	1
+#define CONFIG_HUSH_OLD_PARSER_COMPATIBLE	1
+
+/* Note: change below for your network setting!!!
+ * This was done just to facilitate manufacturing test and configuration.
+ */
+#define CONFIG_ETHADDR	 00:e0:0c:07:9b:8a
+
+#define CONFIG_SERVERIP 	192.168.08.1
+#define CONFIG_IPADDR  		192.168.08.85
+#define CONFIG_GATEWAYIP	192.168.08.1
+#define CONFIG_NETMASK		255.255.255.0
+#define CONFIG_HOSTNAME 	stx_xtc
+#define CONFIG_ROOTPATH 	/xtcroot
+#define CONFIG_BOOTFILE 	uImage
+#define CONFIG_LOADADDR		0x1000000
+
+
+#endif	/* __CONFIG_H */