FreeCalypso > hg > freecalypso-sw
view target-utils/pirexplore/flashid.c @ 636:06ecb305f650
flashImage for BootROM-enabled targets: put something sensible at 0
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Mon, 01 Sep 2014 19:34:31 +0000 |
parents | 9539929b3414 |
children |
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#include "types.h" void cmd_flashid(argbulk) char *argbulk; { char *argv[2]; u32 base_addr; if (parse_args(argbulk, 1, 1, argv, 0) < 0) return; if (argv[0][0] == '1' && !argv[0][1]) base_addr = 0x03000000; else if (argv[0][0] == '2' && !argv[0][1]) base_addr = 0x02000000; else { printf("ERROR: argument must be 1 or 2\n"); return; } printf("Base addr: %08X\n", base_addr); *(volatile u16 *)(base_addr + 0xAAA) = 0xAA; *(volatile u16 *)(base_addr + 0x554) = 0x55; *(volatile u16 *)(base_addr + 0xAAA) = 0x90; printf("offset 00: %04X\n", *(volatile u16 *)(base_addr + 0x00)); printf("offset 02: %04X\n", *(volatile u16 *)(base_addr + 0x02)); printf("offset 1C: %04X\n", *(volatile u16 *)(base_addr + 0x1C)); printf("offset 1E: %04X\n", *(volatile u16 *)(base_addr + 0x1E)); *(volatile u16 *)(base_addr + 0xAAA) = 0xF0; }