Initial revision

1 files changed, 246 insertions, 0 deletions

diff --git a/include/configs/ML2.h b/include/configs/ML2.h
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+++ b/include/configs/ML2.h
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+/*
+ * ML2.h: ML2 specific config options
+ *
+ * Copyright 2002 Mind NV
+ *
+ * http://www.mind.be/
+ *
+ * Author : Peter De Schrijver (p2@mind.be)
+ *
+ * Derived from : other configuration header files in this tree
+ *
+ * This software may be used and distributed according to the terms of
+ * the GNU General Public License (GPL) version 2, incorporated herein by
+ * reference. Drivers based on or derived from this code fall under the GPL
+ * and must retain the authorship, copyright and this license notice. This
+ * file is not a complete program and may only be used when the entire
+ * program is licensed under the GPL.
+ *
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+
+#define CONFIG_405		1	/* This is a PPC405 CPU		*/
+#define CONFIG_4xx		1	/* ...member of PPC4xx family   */
+#define CONFIG_ML2	1	/* ...on a ML2 board	*/
+
+
+#define CFG_ENV_IS_IN_FLASH     1
+
+#ifdef CFG_ENV_IS_IN_NVRAM
+#undef CFG_ENV_IS_IN_FLASH
+#else
+#ifdef CFG_ENV_IS_IN_FLASH
+#undef CFG_ENV_IS_IN_NVRAM
+#endif
+#endif
+
+#define CONFIG_BAUDRATE		9600
+#define CONFIG_BOOTDELAY	3	/* autoboot after 3 seconds	*/
+
+#if 1
+#define CONFIG_BOOTCOMMAND	"bootm" /* autoboot command	*/
+#else
+#define CONFIG_BOOTCOMMAND	"bootp" /* autoboot command		*/
+#endif
+
+#define CONFIG_PREBOOT		"fsload 0x00100000 /boot/image"
+
+/* Size (bytes) of interrupt driven serial port buffer.
+ * Set to 0 to use polling instead of interrupts.
+ * Setting to 0 will also disable RTS/CTS handshaking.
+ */
+#if 0
+#define CONFIG_SERIAL_SOFTWARE_FIFO 4000
+#else
+#undef	CONFIG_SERIAL_SOFTWARE_FIFO
+#endif
+
+#if 0
+#define CONFIG_BOOTARGS		"root=/dev/nfs "                        \
+    "ip=192.168.2.176:192.168.2.190:192.168.2.79:255.255.255.0 "        \
+    "nfsroot=192.168.2.190:/home/stefan/cpci405/target_ftest4"
+#else
+#define CONFIG_BOOTARGS		"root=/dev/mtdblock2 "			\
+   "console=ttyS0 console=tty"
+
+#endif
+
+#define CONFIG_LOADS_ECHO	1	/* echo on for serial download	*/
+#define CFG_LOADS_BAUD_CHANGE	1	/* allow baudrate change	*/
+
+
+
+#define CONFIG_COMMANDS	       ( (CONFIG_CMD_DFL & (~CFG_CMD_NET)	 &  \
+				(~CFG_CMD_RTC) & ~(CFG_CMD_PCI)  & ~(CFG_CMD_I2C)) | \
+				CFG_CMD_IRQ	| \
+				CFG_CMD_KGDB	| \
+				CFG_CMD_BEDBUG	| \
+				CFG_CMD_ELF	 | CFG_CMD_JFFS2 )
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+#undef CONFIG_WATCHDOG			/* watchdog disabled		*/
+
+#define CONFIG_SYS_CLK_FREQ 50000000
+
+#define CONFIG_SPD_EEPROM      1       /* use SPD EEPROM for setup    */
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CFG_LONGHELP			/* undef to save memory		*/
+#define CFG_PROMPT	"=> "		/* Monitor Command Prompt	*/
+#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	0x0400000	/* memtest works on	*/
+#define CFG_MEMTEST_END		0x0C00000	/* 4 ... 12 MB in DRAM	*/
+
+/*
+ * If CFG_EXT_SERIAL_CLOCK, then the UART divisor is 1.
+ * If CFG_405_UART_ERRATA_59, then UART divisor is 31.
+ * Otherwise, UART divisor is determined by CPU Clock and CFG_BASE_BAUD value.
+ * The Linux BASE_BAUD define should match this configuration.
+ *    baseBaud = cpuClock/(uartDivisor*16)
+ * If CFG_405_UART_ERRATA_59 and 200MHz CPU clock,
+ * set Linux BASE_BAUD to 403200.
+ */
+#undef  CFG_EXT_SERIAL_CLOCK           /* external serial clock */
+#undef  CFG_405_UART_ERRATA_59         /* 405GP/CR Rev. D silicon */
+
+#define CFG_BASE_BAUD       (3125000*16)
+#define CFG_NS16550_CLK CFG_BASE_BAUD
+#define CFG_DUART_CHAN		0
+#define CFG_NS16550_COM1	0xa0001003
+#define CFG_NS16550_COM2	0xa0011003
+#define CFG_NS16550_REG_SIZE -4
+#define CFG_NS16550 1
+#define CFG_INIT_CHAN1	 1
+#define CFG_INIT_CHAN2	 1
+
+/* The following table includes the supported baudrates */
+#define CFG_BAUDRATE_TABLE  \
+    {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
+
+#define CFG_LOAD_ADDR		0x100000	/* default load address */
+#define CFG_EXTBDINFO		1	/* To use extended board_into (bd_t) */
+
+#define	CFG_HZ		1000		/* decrementer freq: 1 ms ticks	*/
+
+
+
+/*-----------------------------------------------------------------------
+ * 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		0x18000000
+#define CFG_MONITOR_BASE	CFG_FLASH_BASE
+#define CFG_MONITOR_LEN		(192 * 1024)	/* Reserve 196 kB for Monitor	*/
+#define CFG_MALLOC_LEN		(128 * 1024)	/* Reserve 128 kB for malloc()	*/
+
+/*
+ * 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_MAX_FLASH_BANKS	1	/* max number of memory banks		*/
+#define CFG_MAX_FLASH_SECT	256	/* max number of sectors on one chip	*/
+
+#define CFG_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms)	*/
+#define CFG_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms)	*/
+
+/* BEG ENVIRONNEMENT FLASH */
+#ifdef CFG_ENV_IS_IN_FLASH
+#define CFG_ENV_OFFSET		0x00050000 /* Offset of Environment Sector  */
+#define	CFG_ENV_SIZE		0x10000	/* Total Size of Environment Sector	*/
+#define CFG_ENV_SECT_SIZE	0x10000	/* see README - env sector total size	*/
+#endif
+/* END ENVIRONNEMENT FLASH */
+/*-----------------------------------------------------------------------
+ * NVRAM organization
+ */
+#define CFG_NVRAM_BASE_ADDR	0xf0000000	/* NVRAM base address	*/
+#define CFG_NVRAM_SIZE		0x1ff8		/* NVRAM size	*/
+
+#ifdef CFG_ENV_IS_IN_NVRAM
+#define CFG_ENV_SIZE		0x1000		/* Size of Environment vars	*/
+#define CFG_ENV_ADDR		\
+	(CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-CFG_ENV_SIZE)	/* Env	*/
+#endif
+/*-----------------------------------------------------------------------
+ * Cache Configuration
+ */
+#define CFG_DCACHE_SIZE		8192	/* For IBM 405 CPUs			*/
+#define CFG_CACHELINE_SIZE	32	/* ...			*/
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CFG_CACHELINE_SHIFT	5	/* log base 2 of the above value	*/
+#endif
+
+/*
+ * Init Memory Controller:
+ *
+ * BR0/1 and OR0/1 (FLASH)
+ */
+
+#define FLASH_BASE0_PRELIM	CFG_FLASH_BASE	/* FLASH bank #0	*/
+#define FLASH_BASE1_PRELIM	0		/* FLASH bank #1	*/
+
+
+/* Configuration Port location */
+#define CONFIG_PORT_ADDR	0xF0000500
+
+/*-----------------------------------------------------------------------
+ * Definitions for initial stack pointer and data area (in DPRAM)
+ */
+
+#define CFG_INIT_RAM_ADDR       0x800000  /* inside of SDRAM                     */
+#define CFG_INIT_RAM_END        0x2000  /* End of used area in RAM             */
+#define CFG_GBL_DATA_SIZE      128  /* 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
+
+/*-----------------------------------------------------------------------
+ * Definitions for Serial Presence Detect EEPROM address
+ * (to get SDRAM settings)
+ */
+#define SPD_EEPROM_ADDRESS      0x50
+
+/*
+ * Internal Definitions
+ *
+ * Boot Flags
+ */
+#define BOOTFLAG_COLD	0x01		/* Normal Power-On: Boot from FLASH	*/
+#define BOOTFLAG_WARM	0x02		/* Software reboot			*/
+
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CONFIG_KGDB_BAUDRATE	230400	/* speed to run kgdb serial port */
+#define CONFIG_KGDB_SER_INDEX	2	/* which serial port to use */
+#endif
+
+/* JFFS2 stuff */
+
+#define CFG_JFFS2_FIRST_BANK 0
+#define CFG_JFFS2_NUM_BANKS 1
+#define CFG_JFFS2_FIRST_SECTOR 1
+#endif	/* __CONFIG_H */