-
-
-int do_cantest(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
-{
- ulong addr;
- volatile uchar *ptr;
- volatile uchar val;
- int i;
-
- addr = simple_strtol (argv[1], NULL, 16) + 0x16;
-
- i = 0;
- for (;;) {
- ptr = (uchar *)addr;
- for (i=0; i<8; i++) {
- *ptr = i;
- val = *ptr;
-
- if (val != i) {
- printf("ERROR: addr=%p write=0x%02X, read=0x%02X\n", ptr, i, val);
- return 0;
- }
-
- /* Abort if ctrl-c was pressed */
- if (ctrlc()) {
- puts("\nAbort\n");
- return 0;
- }
-
- ptr++;
- }
- }
-
- return 0;
-}
-U_BOOT_CMD(
- cantest, 3, 1, do_cantest,
- "cantest - Test CAN controller",
- NULL
- );