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authorwdenk <wdenk>2002-11-03 00:38:21 +0000
committerwdenk <wdenk>2002-11-03 00:38:21 +0000
commitfe8c2806cdba70479e351299881a395dc2be7785 (patch)
treea1e8b98a1838cba6e6f5c765d9d85339257c45f5 /include/configs/ML2.h
parentf9087a3213cc245cf9b90436475b5af822bd7579 (diff)
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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 */