Major cleanup for AMCC PPC4xx eval boards.

Patch by Stefan Roese, 01 Aug 2005

1 files changed, 290 insertions, 0 deletions

diff --git a/include/configs/ebony.h b/include/configs/ebony.h
new file mode 100644
index 00000000000..ebd0b535b40
--- /dev/null
+++ b/include/configs/ebony.h
@@ -0,0 +1,290 @@
+/*
+ * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
+ *
+ * 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
+ */
+
+/************************************************************************
+ * board/config_EBONY.h - configuration for IBM 440GP Ref (Ebony)
+ ***********************************************************************/
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*-----------------------------------------------------------------------
+ * High Level Configuration Options
+ *----------------------------------------------------------------------*/
+#define CONFIG_EBONY		1	    /* Board is ebony		*/
+#define CONFIG_4xx		1	    /* ... PPC4xx family	*/
+#define CONFIG_BOARD_EARLY_INIT_F 1	    /* Call board_early_init_f	*/
+#undef	CFG_DRAM_TEST			    /* Disable-takes long time! */
+#define CONFIG_SYS_CLK_FREQ	33333333    /* external freq to pll	*/
+
+/*
+ * Define here the location of the environment variables (FLASH or NVRAM).
+ * Note: DENX encourages to use redundant environment in FLASH. NVRAM is only
+ *       supported for backward compatibility.
+ */
+#if 1
+#define CFG_ENV_IS_IN_FLASH     1	/* use FLASH for environment vars	*/
+#else
+#define CFG_ENV_IS_IN_NVRAM	1	/* use NVRAM for environment vars	*/
+#endif
+
+/*-----------------------------------------------------------------------
+ * Base addresses -- Note these are effective addresses where the
+ * actual resources get mapped (not physical addresses)
+ *----------------------------------------------------------------------*/
+#define CFG_SDRAM_BASE	    0x00000000	    /* _must_ be 0		*/
+#define CFG_FLASH_BASE	    0xff800000	    /* start of FLASH		*/
+#define CFG_MONITOR_BASE    0xfffc0000	    /* start of monitor		*/
+#define CFG_PCI_MEMBASE	    0x80000000	    /* mapped pci memory	*/
+#define CFG_PERIPHERAL_BASE 0xe0000000	    /* internal peripherals	*/
+#define CFG_ISRAM_BASE	    0xc0000000	    /* internal SRAM		*/
+#define CFG_PCI_BASE	    0xd0000000	    /* internal PCI regs	*/
+
+#define CFG_NVRAM_BASE_ADDR (CFG_PERIPHERAL_BASE + 0x08000000)
+#define CFG_FPGA_BASE	    (CFG_PERIPHERAL_BASE + 0x08300000)
+
+/*-----------------------------------------------------------------------
+ * Initial RAM & stack pointer (placed in internal SRAM)
+ *----------------------------------------------------------------------*/
+#define CFG_INIT_RAM_ADDR   CFG_ISRAM_BASE  /* Initial RAM address	*/
+#define CFG_INIT_RAM_END    0x2000	    /* End of used area in RAM	*/
+#define CFG_GBL_DATA_SIZE  128		    /* num bytes initial data	*/
+
+#define CFG_GBL_DATA_OFFSET	(CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
+#define CFG_INIT_SP_OFFSET	CFG_GBL_DATA_OFFSET
+
+#define CFG_MONITOR_LEN	    (256 * 1024)    /* Reserve 256 kB for Mon	*/
+#define CFG_MALLOC_LEN	    (128 * 1024)    /* Reserve 128 kB for malloc*/
+
+/*-----------------------------------------------------------------------
+ * Serial Port
+ *----------------------------------------------------------------------*/
+#undef	CONFIG_SERIAL_SOFTWARE_FIFO
+#define CFG_EXT_SERIAL_CLOCK	(1843200 * 6)	/* Ext clk @ 11.059 MHz */
+#define CONFIG_BAUDRATE		115200
+
+#define CFG_BAUDRATE_TABLE  \
+    {300, 600, 1200, 2400, 4800, 9600, 19200, 38400}
+
+/*-----------------------------------------------------------------------
+ * NVRAM/RTC
+ *
+ * NOTE: Upper 8 bytes of NVRAM is where the RTC registers are located.
+ * The DS1743 code assumes this condition (i.e. -- it assumes the base
+ * address for the RTC registers is:
+ *
+ *	CFG_NVRAM_BASE_ADDR + CFG_NVRAM_SIZE
+ *
+ *----------------------------------------------------------------------*/
+#define CFG_NVRAM_SIZE	    (0x2000 - 8)    /* NVRAM size(8k)- RTC regs */
+#define CONFIG_RTC_DS174x	1		    /* DS1743 RTC		*/
+
+#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)
+#endif /* CFG_ENV_IS_IN_NVRAM */
+
+/*-----------------------------------------------------------------------
+ * FLASH related
+ *----------------------------------------------------------------------*/
+#define CFG_MAX_FLASH_BANKS	3		    /* number of banks	    */
+#define CFG_MAX_FLASH_SECT	32		    /* sectors per device   */
+
+#define CFG_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms)	*/
+#define CFG_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms)	*/
+
+#define CFG_FLASH_EMPTY_INFO		/* print 'E' for empty sector on flinfo */
+
+#define CFG_FLASH_ADDR0         0x5555
+#define CFG_FLASH_ADDR1         0x2aaa
+#define CFG_FLASH_WORD_SIZE     unsigned char
+
+#ifdef CFG_ENV_IS_IN_FLASH
+#define CFG_ENV_SECT_SIZE	0x10000 	/* size of one complete sector	*/
+#define CFG_ENV_ADDR		(CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE)
+#define	CFG_ENV_SIZE		0x4000	/* Total Size of Environment Sector	*/
+
+/* Address and size of Redundant Environment Sector	*/
+#define CFG_ENV_ADDR_REDUND	(CFG_ENV_ADDR-CFG_ENV_SECT_SIZE)
+#define CFG_ENV_SIZE_REDUND	(CFG_ENV_SIZE)
+#endif /* CFG_ENV_IS_IN_FLASH */
+
+/*-----------------------------------------------------------------------
+ * DDR SDRAM
+ *----------------------------------------------------------------------*/
+#define CONFIG_SPD_EEPROM               /* Use SPD EEPROM for setup     */
+#define SPD_EEPROM_ADDRESS {0x53,0x52}  /* SPD i2c spd addresses        */
+
+/*-----------------------------------------------------------------------
+ * I2C
+ *----------------------------------------------------------------------*/
+#define CONFIG_HARD_I2C		1	    /* I2C with hardware support	*/
+#undef	CONFIG_SOFT_I2C			    /* I2C bit-banged		*/
+#define CFG_I2C_SPEED		400000	/* I2C speed and slave address	*/
+#define CFG_I2C_SLAVE		0x7F
+#define CFG_I2C_NOPROBES    {0x69}  /* Don't probe these addrs */
+
+#define CONFIG_PREBOOT	"echo;"	\
+	"echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
+	"echo"
+
+#undef	CONFIG_BOOTARGS
+
+#define	CONFIG_EXTRA_ENV_SETTINGS					\
+	"netdev=eth0\0"							\
+	"hostname=ebony\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"			\
+	"addtty=setenv bootargs $(bootargs) console=ttyS0,$(baudrate)\0"\
+	"flash_nfs=run nfsargs addip addtty;"				\
+		"bootm $(kernel_addr)\0"				\
+	"flash_self=run ramargs addip addtty;"				\
+		"bootm $(kernel_addr) $(ramdisk_addr)\0"		\
+	"net_nfs=tftp 200000 $(bootfile);run nfsargs addip addtty;"     \
+	        "bootm\0"						\
+	"rootpath=/opt/eldk/ppc_4xx\0"					\
+	"bootfile=/tftpboot/ebony/uImage\0"				\
+	"kernel_addr=ff800000\0"					\
+	"ramdisk_addr=ff810000\0"					\
+	"load=tftp 100000 /tftpboot/ebony/u-boot.bin\0"		        \
+	"update=protect off fffc0000 ffffffff;era fffc0000 ffffffff;"	\
+		"cp.b 100000 fffc0000 40000;"			        \
+		"setenv filesize;saveenv\0"				\
+	"upd=run load;run update\0"					\
+	""
+#define CONFIG_BOOTCOMMAND	"run flash_self"
+
+#if 0
+#define CONFIG_BOOTDELAY	-1	/* autoboot disabled		*/
+#else
+#define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
+#endif
+
+#define CONFIG_BAUDRATE		115200
+
+#define CONFIG_LOADS_ECHO	1	/* echo on for serial download	*/
+#define CFG_LOADS_BAUD_CHANGE	1	/* allow baudrate change	*/
+
+#define CONFIG_MII		1	/* MII PHY management		*/
+#define CONFIG_PHY_ADDR		8	/* PHY address			*/
+
+#define CONFIG_COMMANDS	       (CONFIG_CMD_DFL	| \
+				CFG_CMD_ASKENV	| \
+				CFG_CMD_DATE	| \
+				CFG_CMD_DHCP	| \
+				CFG_CMD_DIAG	| \
+				CFG_CMD_ELF	| \
+				CFG_CMD_I2C	| \
+				CFG_CMD_IRQ	| \
+				CFG_CMD_MII	| \
+				CFG_CMD_NET	| \
+				CFG_CMD_NFS	| \
+				CFG_CMD_PCI	| \
+				CFG_CMD_PING	| \
+				CFG_CMD_REGINFO	| \
+				CFG_CMD_SDRAM	| \
+				CFG_CMD_SNTP	)
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+#undef CONFIG_WATCHDOG			/* watchdog disabled		*/
+
+/*
+ * 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	*/
+
+#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 */
+
+#define CONFIG_AUTO_COMPLETE	1       /* add autocompletion support   */
+#define CONFIG_LOOPW            1       /* enable loopw command         */
+#define CONFIG_ZERO_BOOTDELAY_CHECK	/* check for keypress on bootdelay==0 */
+#define CONFIG_VERSION_VARIABLE 1	/* include version env variable */
+
+#define CFG_RX_ETH_BUFFER	32	  /* Number of ethernet rx buffers & descriptors */
+
+/*-----------------------------------------------------------------------
+ * PCI stuff
+ *-----------------------------------------------------------------------
+ */
+/* General PCI */
+#define CONFIG_PCI			            /* include pci support	        */
+#define CONFIG_PCI_PNP			        /* do pci plug-and-play         */
+#define CONFIG_PCI_SCAN_SHOW            /* show pci devices on startup  */
+#define CFG_PCI_TARGBASE    0x80000000  /* PCIaddr mapped to CFG_PCI_MEMBASE */
+
+/* Board-specific PCI */
+#define CFG_PCI_PRE_INIT                /* enable board pci_pre_init()  */
+#define CFG_PCI_TARGET_INIT	            /* let board init pci target    */
+
+#define CFG_PCI_SUBSYS_VENDORID 0x10e8	/* AMCC */
+#define CFG_PCI_SUBSYS_DEVICEID 0xcafe  /* Whatever */
+
+/*
+ * 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 */
+/*-----------------------------------------------------------------------
+ * 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
+
+/*
+ * 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
+#endif	/* __CONFIG_H */