In message 41C0A901.6080308@topcomm.com.br you wrote:
Now that everything is working with BDI plugged and u-boot transferred to Flash Memory 0x00000000 address. With BDI we issue "reset" and "go"and u-boot comes up and boots the kernel(one more "go") and linux root file system from flash.
When we unplugged the BDI2000 and powered-up the board u-boot did not come up.
This means that your BDI config file contains certain initialization sequences which are missing in U-Boot.
seems that the u-boot is not prepared to be booted (0x00000000 entry point) at power-up.
No. It is.
Are we missing anything ? Any suggestions to solve this problem ?
See below.
#define CONFIG_PXA250 1 /* This is an PXA250 CPU */ #define CONFIG_LUBBOCK 1 /* on an LUBBOCK Board */
You said that this is a PXA255 on a custom board. Why do you configure for a PXA250 on a Lubbock board then?
#define CONFIG_COMMANDS (CFG_CMD_BDI|CFG_CMD_LCDDRAW|CFG_CMD_LCDTST|CFG_CMD_LOADS|CFG_CMD_LOADB|CFG_CMD_IMI|CFG_CMD_CACHE|CFG_CMD_FLASH|CFG_CMD_MEMORY|CFG_CMD_NET|CFG_CMD_ENV|CFG_CMD_BOOTD|CFG_CMD_CONSOLE|CFG_CMD_ASKENV|CFG_CMD_RUN|CFG_CMD_ECHO|CFG_CMD_REGINFO|CFG_CMD_IMMAP|CF G_CMD_DHCP|CFG_CMD_AUTOSCRIPT|CFG_CMD_ELF|CFG_CMD_MISC|CFG_CMD_SDRAM|CFG_CMD_DIAG|CFG_CMD_SAVES|CFG_CMD_PING|CFG_CMD_FAT|CFG_CMD_IMLS)
Do you really think anybody can read this code?
#define CONFIG_ETHADDR 00:d0:c9:60:87:aa
It is an extremely bad idea to hard-wire the MAC address in U-Boot.
#define CFG_DRAM_BASE 0xa0000000 #define CFG_DRAM_SIZE 0x02000000
#define CONFIG_NR_DRAM_BANKS 4 /* we have 1 bank of DRAM */
Please read this line. There is at least one serious bug in this line.
#define PHYS_SDRAM_1 0xa0000000 /* SDRAM Bank #1 */ #define PHYS_SDRAM_1_SIZE 0x02000000 /* 32 MB */ #define PHYS_SDRAM_2 0xa4000000 /* SDRAM Bank #2 */ #define PHYS_SDRAM_2_SIZE 0x00000000 /* 0 MB */ #define PHYS_SDRAM_3 0xa8000000 /* SDRAM Bank #3 */ #define PHYS_SDRAM_3_SIZE 0x00000000 /* 0 MB */ #define PHYS_SDRAM_4 0xac000000 /* SDRAM Bank #4 */ #define PHYS_SDRAM_4_SIZE 0x00000000 /* 0 MB */
Adding these numbers makes me believe your definition of CFG_DRAM_SIZE might be completely bogus.
Best regards,
Wolfgang Denk