FreeCalypso > hg > freecalypso-sw
view target-utils/libcommon/abbcmd.c @ 992:a7b0b426f9ca
target-utils: boot ROM UART autodetection revamped
The new implementation should work with both the familiar Calypso C035
boot ROM version found in our regular targets as well as the older
Calypso F741979B version found on the vintage D-Sample board.
author | Mychaela Falconia <falcon@ivan.Harhan.ORG> |
---|---|
date | Wed, 30 Dec 2015 21:28:41 +0000 |
parents | bb4814eb51e4 |
children |
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/* * abbr pg reg -- read ABB register * abbw pg reg val -- write ABB register */ #include <sys/types.h> #include "types.h" #include "abbdefs.h" extern u16 abb_reg_read(); extern void abb_reg_write(); void cmd_abbr(argbulk) char *argbulk; { char *argv[3]; u32 pg, reg, val; if (parse_args(argbulk, 2, 2, argv, 0) < 0) return; pg = strtoul(argv[0], 0, 0); reg = strtoul(argv[1], 0, 0); if (pg > 1 || reg > 31) { printf("ERROR: argument(s) out of range\n"); return; } abb_init(); val = abb_reg_read(PAGE(pg) | reg); printf("%03X\n", val); } void cmd_abbw(argbulk) char *argbulk; { char *argv[4]; u32 pg, reg, val; if (parse_args(argbulk, 3, 3, argv, 0) < 0) return; pg = strtoul(argv[0], 0, 0); reg = strtoul(argv[1], 0, 0); val = strtoul(argv[2], 0, 16); if (pg > 1 || reg > 31 || val > 0x3FF) { printf("ERROR: argument(s) out of range\n"); return; } abb_init(); abb_reg_write(PAGE(pg) | reg, val); }