Patch by Martin Krause, 27 Oct 2004:

- add support for "STK52xx" board (including PS/2 multiplexer)
- add hardware detection for TQM5200

CHANGELOG

@@ -2,6 +2,10 @@
 Changes since U-Boot 1.1.1:
 ======================================================================
 
+* Patch by Martin Krause, 27 Oct 2004:
+  - add support for "STK52xx" board (including PS/2 multiplexer)
+  - add hardware detection for TQM5200
+
 * Clean up CMC PU2 flash driver
 
 * Update MAINTAINERS file

Makefile

@@ -307,6 +307,7 @@ Total5200_Rev2_lowboot_config:	unconfig
 		}
 	@./mkconfig -a Total5200 ppc mpc5xxx total5200
 
+TQM5200_auto_config		\
 TQM5200_AA_config	\
 TQM5200_AB_config	\
 TQM5200_AC_config	\
@@ -331,6 +332,10 @@ MiniFAP_config:	unconfig
 		  echo "... with 4 MB Flash, 128 MB SDRAM" ; \
 		  echo "... with Graphics Controller"; \
 		}
+	@[ -z "$(findstring auto,$@)" ] || \
+		{ echo "#define CONFIG_CS_AUTOCONF"	>>include/config.h ; \
+		  echo "... with automatic CS configuration" ; \
+		}
 	@./mkconfig -a TQM5200 ppc mpc5xxx tqm5200
 
 #########################################################################

board/tqm5200/Makefile

@@ -25,7 +25,8 @@ include $(TOPDIR)/config.mk
 
 LIB	= lib$(BOARD).a
 
-OBJS	:= $(BOARD).o flash.o
+#OBJS	:= $(BOARD).o flash.o
+OBJS	:= $(BOARD).o
 
 $(LIB):	$(OBJS) $(SOBJS)
 	$(AR) crv $@ $(OBJS)

board/tqm5200/tqm5200.c

@@ -36,6 +36,9 @@
 #else
 #include "mt48lc16m16a2-75.h"
 #endif
+#ifdef CONFIG_PS2MULT
+void ps2mult_early_init(void);
+#endif
 
 #ifndef CFG_RAMBOOT
 static void sdram_start (int hi_addr)
@@ -244,13 +247,17 @@ int checkboard (void)
 {
 #if defined (CONFIG_TQM5200_AA)
 	puts ("Board: TQM5200-AA (TQ-Systems GmbH)\n");
-#endif
+#elif defined (CONFIG_TQM5200_AB)
-#if defined (CONFIG_TQM5200_AB)
 	puts ("Board: TQM5200-AB (TQ-Systems GmbH)\n");
-#endif
+#elif defined (CONFIG_TQM5200_AC)
-#if defined (CONFIG_TQM5200_AC)
 	puts ("Board: TQM5200-AC (TQ-Systems GmbH)\n");
+#elif defined (CONFIG_TQM5200)
+	puts ("Board: TQM5200 (TQ-Systems GmbH)\n");
 #endif
+#if defined (CONFIG_STK52XX)
+	puts ("       on a STK52XX baseboard\n");
+#endif
+
 	return 0;
 }
 
@@ -383,5 +390,114 @@ ulong post_word_load (void)
 
 	return *save_addr;
 }
-
 #endif	/* CONFIG_POST || CONFIG_LOGBUFFER*/
+
+#ifdef CONFIG_PS2MULT
+#ifdef CONFIG_BOARD_EARLY_INIT_R
+int board_early_init_r (void)
+{
+	ps2mult_early_init();
+	return (0);
+}
+#endif
+#endif /* CONFIG_PS2MULT */
+
+#if defined(CONFIG_CS_AUTOCONF)
+int last_stage_init (void)
+{
+	/*
+	 * auto scan for really existing devices and re-set chip select
+	 * configuration.
+	 */
+	u16 save, tmp;
+	int restore;
+
+	/*
+	 * Check for SRAM and SRAM size
+	 */
+
+	/* save origianl SRAM content  */
+	save = *(volatile u16 *)CFG_CS2_START;
+	restore = 1;
+	
+	/* write test pattern to SRAM */
+	*(volatile u16 *)CFG_CS2_START = 0xA5A5;
+	__asm__ volatile ("sync");
+	/*
+	 * Put a different pattern on the data lines: otherwise they may float
+	 * long enough to read back what we wrote.
+	 */
+	tmp = *(volatile u16 *)CFG_FLASH_BASE;
+	if (tmp == 0xA5A5)
+		puts ("!! possible error in SRAM detection\n");
+	
+	if (*(volatile u16 *)CFG_CS2_START != 0xA5A5) {
+		/* no SRAM at all, disable cs */
+		*(vu_long *)MPC5XXX_ADDECR &= ~(1 << 18);
+		*(vu_long *)MPC5XXX_CS2_START = 0x0000FFFF;
+		*(vu_long *)MPC5XXX_CS2_STOP = 0x0000FFFF;
+		restore = 0;
+		__asm__ volatile ("sync");
+	}
+	else if (*(volatile u16 *)(CFG_CS2_START + (1<<19)) == 0xA5A5) {
+		/* make sure that we access a mirrored address */
+		*(volatile u16 *)CFG_CS2_START = 0x1111;
+		__asm__ volatile ("sync");
+		if (*(volatile u16 *)(CFG_CS2_START + (1<<19)) == 0x1111) {
+			/* SRAM size = 512 kByte */
+			*(vu_long *)MPC5XXX_CS2_STOP = STOP_REG(CFG_CS2_START, 
+								0x80000);
+			__asm__ volatile ("sync");
+			puts ("SRAM:  512 kB\n");
+		}
+		else
+			puts ("!! possible error in SRAM detection\n");	
+	}
+	else {
+		puts ("SRAM:  1 MB\n");	
+	}
+	/* restore origianl SRAM content  */
+	if (restore) {
+		*(volatile u16 *)CFG_CS2_START = save;
+		__asm__ volatile ("sync");
+	}
+	
+	/* 
+	 * Check for Grafic Controller
+	 */
+
+	/* save origianl FB content  */
+	save = *(volatile u16 *)CFG_CS1_START;
+	restore = 1;
+	
+	/* write test pattern to FB memory */
+	*(volatile u16 *)CFG_CS1_START = 0xA5A5;
+	__asm__ volatile ("sync");
+	/*
+	 * Put a different pattern on the data lines: otherwise they may float
+	 * long enough to read back what we wrote.
+	 */
+	tmp = *(volatile u16 *)CFG_FLASH_BASE;
+	if (tmp == 0xA5A5)
+		puts ("!! possible error in grafic controller detection\n");
+	
+	if (*(volatile u16 *)CFG_CS1_START != 0xA5A5) {
+		/* no grafic controller at all, disable cs */
+		*(vu_long *)MPC5XXX_ADDECR &= ~(1 << 17);
+		*(vu_long *)MPC5XXX_CS1_START = 0x0000FFFF;
+		*(vu_long *)MPC5XXX_CS1_STOP = 0x0000FFFF;
+		restore = 0;
+		__asm__ volatile ("sync");
+	}
+	else {
+		puts ("VGA:   SMI501 (Voyager) with 8 MB\n");	
+	}
+	/* restore origianl FB content  */
+	if (restore) {
+		*(volatile u16 *)CFG_CS1_START = save;
+		__asm__ volatile ("sync");
+	}
+	
+	return 0;
+}
+#endif /* CONFIG_CS_AUTOCONF */

drivers/keyboard.c

@@ -33,6 +33,10 @@
 
 #define	KBD_BUFFER_LEN		0x20  /* size of the keyboardbuffer */
 
+#ifdef CONFIG_MPC5xxx
+int ps2ser_check(void);
+#endif
+
 static volatile char kbd_buffer[KBD_BUFFER_LEN];
 static volatile int in_pointer = 0;
 static volatile int out_pointer = 0;
@@ -71,6 +75,10 @@ static void kbd_put_queue(char data)
 /* test if a character is in the queue */
 static int kbd_testc(void)
 {
+#ifdef CONFIG_MPC5xxx
+	/* no ISR is used, so received chars must be polled */
+	ps2ser_check();
+#endif
 	if(in_pointer==out_pointer)
 		return(0); /* no data */
 	else
@@ -81,7 +89,12 @@ static int kbd_testc(void)
 static int kbd_getc(void)
 {
 	char c;
-	while(in_pointer==out_pointer);
+	while(in_pointer==out_pointer) {
+#ifdef CONFIG_MPC5xxx
+	/* no ISR is used, so received chars must be polled */
+	ps2ser_check();
+#endif
+	;}
 	if((out_pointer+1)==KBD_BUFFER_LEN)
 		out_pointer=0;
 	else

drivers/ps2ser.c

@@ -25,17 +25,88 @@
 
 #define PS2SER_BAUD	57600
 
+#ifdef CONFIG_MPC5xxx
+#if CONFIG_PS2SERIAL == 1
+#define PSC_BASE MPC5XXX_PSC1
+#elif CONFIG_PS2SERIAL == 2
+#define PSC_BASE MPC5XXX_PSC2
+#elif CONFIG_PS2SERIAL == 3
+#define PSC_BASE MPC5XXX_PSC3
+#elif defined(CONFIG_MGT5100)
+#error CONFIG_PS2SERIAL must be in 1, 2 or 3
+#elif CONFIG_PS2SERIAL == 4
+#define PSC_BASE MPC5XXX_PSC4
+#elif CONFIG_PS2SERIAL == 5
+#define PSC_BASE MPC5XXX_PSC5
+#elif CONFIG_PS2SERIAL == 6
+#define PSC_BASE MPC5XXX_PSC6
+#else
+#error CONFIG_PS2SERIAL must be in 1 ... 6
+#endif
+#endif /* CONFIG_MPC5xxx */
+
 static int	ps2ser_getc_hw(void);
 static void	ps2ser_interrupt(void *dev_id);
 
 extern struct	serial_state rs_table[]; /* in serial.c */
+#ifndef CONFIG_MPC5xxx
 static struct	serial_state *state;
+#endif
 
 static u_char	ps2buf[PS2BUF_SIZE];
 static atomic_t	ps2buf_cnt;
 static int	ps2buf_in_idx;
 static int	ps2buf_out_idx;
 
+#ifdef CONFIG_MPC5xxx
+int ps2ser_init(void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE;
+	unsigned long baseclk;
+	int div;
+
+	/* reset PSC */
+	psc->command = PSC_SEL_MODE_REG_1;
+
+	/* select clock sources */
+#if defined(CONFIG_MGT5100)
+	psc->psc_clock_select = 0xdd00;
+	baseclk = (CFG_MPC5XXX_CLKIN + 16) / 32;
+#elif defined(CONFIG_MPC5200)
+	psc->psc_clock_select = 0;
+	baseclk = (gd->ipb_clk + 16) / 32;
+#endif
+
+	/* switch to UART mode */
+	psc->sicr = 0;
+
+	/* configure parity, bit length and so on */
+#if defined(CONFIG_MGT5100)
+	psc->mode = PSC_MODE_ERR | PSC_MODE_8_BITS | PSC_MODE_PARNONE;
+#elif defined(CONFIG_MPC5200)
+	psc->mode = PSC_MODE_8_BITS | PSC_MODE_PARNONE;
+#endif
+	psc->mode = PSC_MODE_ONE_STOP;
+
+	/* set up UART divisor */
+	div = (baseclk + (PS2SER_BAUD/2)) / PS2SER_BAUD;
+	psc->ctur = (div >> 8) & 0xff;
+	psc->ctlr = div & 0xff;
+
+	/* disable all interrupts */
+	psc->psc_imr = 0;
+
+	/* reset and enable Rx/Tx */
+	psc->command = PSC_RST_RX;
+	psc->command = PSC_RST_TX;
+	psc->command = PSC_RX_ENABLE | PSC_TX_ENABLE;
+
+	return (0);
+}
+
+#else /* !CONFIG_MPC5xxx */
 
 static inline unsigned int ps2ser_in(int offset)
 {
@@ -79,25 +150,44 @@ int ps2ser_init(void)
 
 	return 0;
 }
+#endif /* CONFIG_MPC5xxx */
 
 void ps2ser_putc(int chr)
 {
+#ifdef CONFIG_MPC5xxx
+	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE;
+#endif
 #ifdef DEBUG
 	printf(">>>> 0x%02x\n", chr);
 #endif
 
+#ifdef CONFIG_MPC5xxx
+	while (!(psc->psc_status & PSC_SR_TXRDY));
+	
+	psc->psc_buffer_8 = chr;
+#else
 	while (!(ps2ser_in(UART_LSR) & UART_LSR_THRE));
 
 	ps2ser_out(UART_TX, chr);
+#endif
 }
 
 static int ps2ser_getc_hw(void)
 {
+#ifdef CONFIG_MPC5xxx
+	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE;
+#endif
 	int res = -1;
 
+#ifdef CONFIG_MPC5xxx
+	if (psc->psc_status & PSC_SR_RXRDY) {
+		res = (psc->psc_buffer_8);
+	}
+#else
 	if (ps2ser_in(UART_LSR) & UART_LSR_DR) {
 		res = (ps2ser_in(UART_RX));
 	}
+#endif
 
 	return res;
 }
@@ -146,12 +236,19 @@ int ps2ser_check(void)
 
 static void ps2ser_interrupt(void *dev_id)
 {
+#ifdef CONFIG_MPC5xxx
+	volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)PSC_BASE;
+#endif
 	int chr;
-	int iir;
+	int status;
 
 	do {
 		chr = ps2ser_getc_hw();
-		iir = ps2ser_in(UART_IIR);
+#ifdef CONFIG_MPC5xxx
+		status = psc->psc_status;
+#else
+		status = ps2ser_in(UART_IIR);
+#endif
 		if (chr < 0) continue;
 
 		if (atomic_read(&ps2buf_cnt) < PS2BUF_SIZE) {
@@ -161,7 +258,11 @@ static void ps2ser_interrupt(void *dev_id)
 		} else {
 			printf ("ps2ser.c: buffer overflow\n");
 		}
-	} while (iir & UART_IIR_RDI);
+#ifdef CONFIG_MPC5xxx
+	} while (status & PSC_SR_RXRDY);		
+#else
+	} while (status & UART_IIR_RDI);
+#endif
 
 	if (atomic_read(&ps2buf_cnt)) {
 		ps2mult_callback(atomic_read(&ps2buf_cnt));

include/common.h

@@ -63,6 +63,8 @@ typedef volatile unsigned char	vu_char;
 #endif
 #elif defined(CONFIG_5xx)
 #include <asm/5xx_immap.h>
+#elif defined(CONFIG_MPC5xxx)
+#include <mpc5xxx.h>
 #elif defined(CONFIG_MPC8220)
 #include <asm/immap_8220.h>
 #elif defined(CONFIG_8260)
@@ -211,7 +213,6 @@ void inline setenv   (char *, char *);
 void	setenv	     (char *, char *);
 #endif /* CONFIG_PPC */
 #ifdef CONFIG_ARM
-# include <asm/mach-types.h>
 # include <asm/setup.h>
 # include <asm/u-boot-arm.h>	/* ARM version to be fixed! */
 #endif /* CONFIG_ARM */

include/configs/TQM5200.h

@@ -35,6 +35,7 @@
 #define CONFIG_MPC5xxx		1	/* This is an MPC5xxx CPU */
 #define CONFIG_MPC5200		1	/* (more precisely an MPC5200 CPU) */
 #define CONFIG_TQM5200		1	/* ... on TQM5200 module */
+#define CONFIG_STK52XX		1	/* ... on a STK52XX base board */
 
 #define CFG_MPC5XXX_CLKIN	33000000 /* ... running at 33.000000MHz */
 
@@ -53,6 +54,13 @@
 #define CONFIG_BAUDRATE		115200	/* ... at 115200 bps */
 #define CFG_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200, 230400 }
 
+#ifdef CONFIG_STK52XX
+#define CONFIG_PS2KBD			/* AT-PS/2 Keyboard		*/
+#define CONFIG_PS2MULT			/* .. on PS/2 Multiplexer	*/
+#define CONFIG_PS2SERIAL	6	/* .. on PSC6			*/
+#define CONFIG_PS2MULT_DELAY	(CFG_HZ/2)	/* Initial delay	*/
+#define CONFIG_BOARD_EARLY_INIT_R
+#endif /* CONFIG_STK52XX */
 
 #ifdef CONFIG_MPC5200	/* MPC5100 PCI is not supported yet. */
 /*
@@ -60,7 +68,11 @@
  * 0x40000000 - 0x4fffffff - PCI Memory
  * 0x50000000 - 0x50ffffff - PCI IO Space
  */
+#ifdef CONFIG_STK52XX
+#define CONFIG_PCI		1
+#elif
 #define CONFIG_PCI		0
+#endif
 #define CONFIG_PCI_PNP		1
 /* #define CONFIG_PCI_SCAN_SHOW	1 */
 
@@ -77,7 +89,11 @@
 #define CFG_RX_ETH_BUFFER	8  /* use 8 rx buffer on eepro100  */
 #define CONFIG_NS8382X		1
 
-#define ADD_PCI_CMD		0 /* CFG_CMD_PCI */
+#ifdef CONFIG_STK52XX
+#define ADD_PCI_CMD		CFG_CMD_PCI
+#elif
+#define ADD_PCI_CMD		0
+#endif
 
 #else	/* MPC5100 */
 
@@ -92,9 +108,10 @@
 #endif
 
 /* USB */
-#if 0
+#ifdef CONFIG_STK52XX
 #define CONFIG_USB_OHCI
 #define ADD_USB_CMD		CFG_CMD_USB | CFG_CMD_FAT
+#define CONFIG_DOS_PARTITION
 #define CONFIG_USB_STORAGE
 #else
 #define ADD_USB_CMD		0
@@ -114,7 +131,7 @@
 #endif
 
 /* IDE */
-#if defined (CONFIG_MINIFAP)
+#if defined (CONFIG_MINIFAP) || defined (CONFIG_STK52XX)
 #define ADD_IDE_CMD		CFG_CMD_IDE | CFG_CMD_FAT
 #else
 #define ADD_IDE_CMD		0
@@ -224,6 +241,29 @@
 	"update=protect off 1:0-4; erase 1:0-4; cp.b 200000 0xfc000000 $(filesize); protect on 1:0-4\0"		\
 	"serverip=172.20.5.13\0"					\
 	""
+#else
+#define CONFIG_EXTRA_ENV_SETTINGS					\
+	"netdev=eth0\0"							\
+	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
+		"nfsroot=$(serverip):$(rootpath)\0"			\
+	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
+	"addip=setenv bootargs $(bootargs) "				\
+		"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)"	\
+		":$(hostname):$(netdev):off panic=1\0"			\
+	"flash_nfs=run nfsargs addip;"					\
+		"bootm $(kernel_addr)\0"				\
+	"flash_self=run ramargs addip;"					\
+		"bootm $(kernel_addr) $(ramdisk_addr)\0"		\
+	"net_nfs=tftp 200000 $(bootfile);run nfsargs addip;bootm\0"	\
+	"rootpath=/opt/eldk3.0_ppc/ppc_82xx\0"				\
+	"bootfile=uImage_tqm5200_mkr\0"					\
+	"load=tftp 200000 $(loadfile)\0"				\
+	"load133=tftp 200000 $(loadfile133)\0"				\
+	"loadfile=u-boot_tqm5200_mkr.bin\0"				\
+	"loadfile133=u-boot_tqm5200_133_mkr.bin\0"			\
+	"update=protect off fc000000 fc03ffff; erase fc000000 fc03ffff; cp.b 200000 0xfc000000 $(filesize); protect on fc000000 fc03ffff\0"		\
+	"serverip=172.20.5.13\0"					\
+	""
 #endif
 #endif
 #endif
@@ -306,23 +346,18 @@
  */
 #define CFG_FLASH_BASE		TEXT_BASE /* 0xFC000000 */
 
-#if defined (CONFIG_TQM5200_AA) || defined (CONFIG_TQM5200_AC)
+/* use CFI flash driver if no module variant is spezified */
-#define CFG_FLASH_SIZE		0x00400000 /* 4 MByte */
+#define CFG_FLASH_CFI		1	/* Flash is CFI conformant */
-#define CFG_MAX_FLASH_SECT	35	/* max num of sects on one chip */
+#define CFG_FLASH_CFI_DRIVER	1	/* Use the common driver */
-#else
+#define CFG_FLASH_BANKS_LIST	{ CFG_BOOTCS_START }
-#ifdef CONFIG_TQM5200_AB
+#define CFG_FLASH_EMPTY_INFO
 #define CFG_FLASH_SIZE		0x02000000 /* 32 MByte */
 #define CFG_MAX_FLASH_SECT	256	/* max num of sects on one chip */
-#endif
-#endif
 
 #if !defined(CFG_LOWBOOT)
 #define CFG_ENV_ADDR		(CFG_FLASH_BASE + 0x00740000 + 0x00800000)
 #else	/* CFG_LOWBOOT */
-#if defined(CONFIG_TQM5200_AA) ||  defined(CONFIG_TQM5200_AB) || \
-    defined (CONFIG_TQM5200_AC)
 #define CFG_ENV_ADDR		(CFG_FLASH_BASE + 0x00040000)
-#endif
 #endif	/* CFG_LOWBOOT */
 #define CFG_MAX_FLASH_BANKS	1	/* max num of flash banks
 					   (= chip selects) */
@@ -388,15 +423,23 @@
  *	01 -> CAN1 on I2C1, CAN2 on Tmr0/1 do not use on TQM5200 with onboard
  *	      EEPROM
  * use PSC1 as UART: Bits 28-31 (mask: 0x00000007): 0100
- * use PSC6_1 and PSC6_3 as GPIO: Bits 9:11 (mask: 0x07000000):
+ * use PSC6:
+ *   on STK52xx:
+ *      use as UART. Pins PSC6_0 to PSC6_3 are used.
+        Bits 9:11 (mask: 0x00700000):
+ *	   101 -> PSC6 : Extended POST test is not available
+ *   on MINI-FAP and TQM5200_IB:
+ *      use PSC6_1 and PSC6_3 as GPIO: Bits 9:11 (mask: 0x00700000):
  *	   011 -> PSC6 could not be used as UART or CODEC. IrDA still possible.
  * GPIO on PSC6_3 is used in post_hotkeys_pressed() to enable extended POST
  * tests.
  */
 #if defined (CONFIG_MINIFAP)
-#define CFG_GPS_PORT_CONFIG	0x93000004
+#define CFG_GPS_PORT_CONFIG	0x91300004
+#elif defined (CONFIG_STK52XX)
+#define CFG_GPS_PORT_CONFIG	0x81500004
 #else
-#define CFG_GPS_PORT_CONFIG	0x83000004
+#define CFG_GPS_PORT_CONFIG	0x81300004
 #endif
 
 /*
@@ -455,13 +498,22 @@
 #define CFG_CS0_START		CFG_FLASH_BASE
 #define CFG_CS0_SIZE		CFG_FLASH_SIZE
 
+/* automatic configuration of chip selects */
+#ifdef CONFIG_CS_AUTOCONF
+#define CONFIG_LAST_STAGE_INIT
+#endif
+
 /*
  * SRAM - Do not map below 2 GB in address space, because this area is used
  * for SDRAM autosizing.
  */
-#ifdef CONFIG_TQM5200_AB
+#if defined CONFIG_TQM5200_AB || defined (CONFIG_CS_AUTOCONF)
 #define CFG_CS2_START		0xE5000000
+#ifdef CONFIG_TQM5200_AB
 #define CFG_CS2_SIZE		0x80000		/* 512 kByte */
+#else  /* CONFIG_CS_AUTOCONF */
+#define CFG_CS2_SIZE		0x100000	/* 1 MByte */
+#endif
 #define CFG_CS2_CFG		0x0004D930
 #endif
 
@@ -469,7 +521,8 @@
  * Grafic controller - Do not map below 2 GB in address space, because this
  * area is used for SDRAM autosizing.
  */
-#if defined (CONFIG_TQM5200_AB) || defined (CONFIG_TQM5200_AC)
+#if defined (CONFIG_TQM5200_AB) || defined (CONFIG_TQM5200_AC) || \
+    defined (CONFIG_CS_AUTOCONF)
 #define CFG_CS1_START		0xE0000000
 #define CFG_CS1_SIZE		0x4000000	/* 64 MByte */
 #define CFG_CS1_CFG		0x8F48FF70