> +
> +#include <common.h>
> +
> +/*-----------------------------------------------------------------------
> + * Linksys NSLU2 RedBoot Trailer Block:
> + *
> + * If we boot from RAM on a system which still contains the original
> + * RedBoot bootloader, check if the trailer signature exists and save
> + * the MAC address information it contains.
> + *
> + * 0x3ffb0: six byte binary mac address
> + * 0x3fff8: ' sErCoMm'
> + */
> +
> +void load_sernum_ethaddr (void)
> +{
> + unsigned char *hwi;
> + unsigned char ethaddr[19]; /* 6 x "%02X", + 1 */
> + unsigned short ih, ie;
> +
> + /* Check for signature at the end of RedBoot partition */
> + /* If RedBoot has been replaced, this will not exist. */
> + hwi = (unsigned char *)(CFG_FLASH_BASE + CFG_SERCOMM_OFFSET);
> + if (strncmp((char *)hwi, " sErCoMm", 8)) {
> + return;
> + }
> +
> + hwi = (unsigned char *)(CFG_FLASH_BASE + CFG_ETHADDR_OFFSET);
> + ie = 0;
> +
> + /* copy MAC address */
> + for (ih = 0; ih < 6; ih++) {
> + sprintf((char *)ðaddr[ie], "%02X:", hwi[ih]);
> + ie += 3;
> + }
> + ethaddr[--ie] = '\0';
> +
> + /* set ethaddr if not yet defined */
> + if (getenv("ethaddr") == NULL) {
> + setenv ((char *)"ethaddr", (char *)ethaddr);
> + }
read the mac address only if the getenv return NULL
/* set ethaddr if not yet defined */
if (getenv("ethaddr") == NULL) {
hwi = (unsigned char *)(CFG_FLASH_BASE + CFG_ETHADDR_OFFSET);
ie = 0;
/* copy MAC address */
for (ih = 0; ih < 6; ih++) {
sprintf((char *)ðaddr[ie], "%02X:", hwi[ih]);
ie += 3;
}
ethaddr[--ie] = '\0';
setenv ((char *)"ethaddr", (char *)ethaddr);
}
> Index: u-boot/board/nslu2/nslu2.c
> ===================================================================
> --- /dev/null 1970-01-01 00:00:00.000000000 +0000
> +++ u-boot/board/nslu2/nslu2.c 2008-03-27 15:10:31.000000000 +1030
> @@ -0,0 +1,96 @@
> +/*
> + * (C) Copyright 2008
> + * Rod Whitby <[EMAIL PROTECTED]>
> + *
> + * (C) Copyright 2006
> + * Stefan Roese, DENX Software Engineering, [EMAIL PROTECTED]
> + *
> + * (C) Copyright 2002
> + * Kyle Harris, Nexus Technologies, Inc. [EMAIL PROTECTED]
> + *
> + * (C) Copyright 2002
> + * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
> + * Marius Groeger <[EMAIL PROTECTED]>
> + *
> + * 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
> + */
> +
> +#include <common.h>
> +#include <command.h>
> +#include <malloc.h>
> +#include <asm/arch/ixp425.h>
> +
> +DECLARE_GLOBAL_DATA_PTR;
> +
> +/*
> + * Miscelaneous platform dependent initialisations
> + */
> +int board_init (void)
> +{
> + /* arch number of NSLU2 */
> + gd->bd->bi_arch_number = MACH_TYPE_NSLU2;
> +
> + /* adress of boot parameters */
> + gd->bd->bi_boot_params = 0x00000100;
> +
> + /*
> + * Setup GPIO's for PCI interrupts
> + */
> + GPIO_OUTPUT_DISABLE(CFG_GPIO_PCI_INTA_N);
> + GPIO_INT_ACT_LOW_SET(CFG_GPIO_PCI_INTA_N);
> + GPIO_OUTPUT_DISABLE(CFG_GPIO_PCI_INTB_N);
> + GPIO_INT_ACT_LOW_SET(CFG_GPIO_PCI_INTB_N);
> + GPIO_OUTPUT_DISABLE(CFG_GPIO_PCI_INTC_N);
> + GPIO_INT_ACT_LOW_SET(CFG_GPIO_PCI_INTC_N);
> +
> + /*
> + * Setup GPIO's for 33MHz clock output
> + */
> + *IXP425_GPIO_GPCLKR = 0x01FF01FF;
> + GPIO_OUTPUT_ENABLE(CFG_GPIO_PCI_CLK);
> + GPIO_OUTPUT_ENABLE(CFG_GPIO_EXTBUS_CLK);
> +
> + return 0;
> +}
> +
> +/*
> + * Check Board Identity
> + */
> +int checkboard(void)
> +{
> + char *s = getenv("serial#");
> +
> + puts("Board: NSLU2 - Linksys NSLU2");
> +
> + if (s != NULL) {
> + puts(", serial# ");
> + puts(s);
> + }
> + putc('\n');
> +
> + return (0);
please choose a style
return 0;
or
return (0);
> +}
> +
> +int dram_init (void)
> +{
> + gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
> + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
> +
> + return (0);
> +}
> +#define CONFIG_ENV_OVERWRITE 1 /* Allow changing of the MAC address */
> +
> +/*
> + * Default Environment
> + */
> +#define CONFIG_EXTRA_ENV_SETTINGS
> \
> + "hostname=nslu2\0" \
> + "setncip=setenv autoload no;dhcp;setenv autoload;" \
> + "setenv ncip ${serverip}\0" \
> + "setnc=setenv stdin nc;setenv stdout nc;setenv stderr nc\0" \
> + "setser=setenv stdin serial;setenv stdout serial;" \
> + "setenv stderr serial\0" \
> + "bootfile=/tftpboot/nslu2/uImage\0" \
> + "rootpath=/tftpboot/nslu2/rootfs\0" \
> + "nfsargs=setenv bootargs root=/dev/nfs rw " \
> + "nfsroot=${serverip}:${rootpath}\0" \
> + "addip=setenv bootargs ${bootargs} " \
> + "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
> + ":${hostname}:eth0:off panic=1\0" \
> + "addtty=setenv bootargs ${bootargs} console=ttyS0,${baudrate}\0"\
> + "net_nfs=tftp 10000 ${bootfile};run nfsargs addip addtty;" \
> + "bootm\0" \
> + ""
> +
> +/*
> + * Configuration Settings
> + */
> +#define CFG_LONGHELP 1 /* undef to save memory
> */
> +#define CFG_PROMPT "=> " /* Monitor Command Prompt */
> +
> +#define CFG_CBSIZE 256 /* Console I/O Buffer Size
> */
> +#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_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
> +
> +#define CFG_MEMTEST_START 0x00400000 /* memtest works on */
> +#define CFG_MEMTEST_END 0x00800000 /* 4 ... 8 MB in DRAM
> */
> +
> +#define CFG_LOAD_ADDR 0x00010000 /* default load address
> */
> +
> +#define CFG_MONITOR_BASE CFG_FLASH_BASE
> +#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for
> Monitor */
> +
> +#define CFG_MALLOC_LEN (256 << 10)
> +
> +#define CFG_FLASH_BASE 0x50000000
> +
> +#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks
> */
> +#define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip
> */
> +
> +#define CFG_FLASH_CFI 1 /* The flash is CFI compatible
> */
> +#define CFG_FLASH_CFI_DRIVER 1 /* Use common CFI driver */
> +
> +#define CFG_FLASH_CFI_WIDTH FLASH_CFI_16BIT /* no byte writes on IXP4xx
> */
> +
> +#define CFG_FLASH_EMPTY_INFO 1 /* print 'E' for empty sector on flinfo
> */
> +#define CFG_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster)
> */
> +
> +#define CFG_ENV_IS_IN_FLASH 1
> +#define CFG_ENV_OFFSET 0x40000 /* use the sysconfig partition
> */
> +#define CFG_ENV_SECT_SIZE 0x20000 /* size of one complete sector */
> +#define CFG_ENV_SIZE 0x2000 /* Total Size of Environment Sector
> */
> +
> +#define CFG_ETHADDR_OFFSET 0x3FFB0 /* Location of MAC address in flash */
> +#define CFG_SERCOMM_OFFSET 0x3FFF8 /* Location of " sErCoMm" signature */
> +
> +#define CFG_CACHELINE_SIZE 32
> +
> +#define CFG_HZ 33000000 /* NSLU2 has a 33.000
> MHz crystal */
> +
> +#define CONFIG_STACKSIZE (128*1024) /* regular stack */
> +
> +#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial
> data */
> +
> +/*
If possible add the HUSH support and the completion support.
Best Regards,
J.
-------------------------------------------------------------------------
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