void platform_init(void)
{
uart_init();
/* enable if we want to see some hardware boot status */
#if 0
printf("zynq boot status:\n");
printf("\tREBOOT_STATUS 0x%x\n", SLCR_REG(REBOOT_STATUS));
printf("\tBOOT_MODE 0x%x\n", SLCR_REG(BOOT_MODE));
zynq_dump_clocks();
#endif
}
static int cmd_zynq(int argc, const cmd_args *argv)
{
if (argc < 2) {
notenoughargs:
printf("not enough arguments\n");
usage:
printf("usage: %s <command>\n", argv[0].str);
printf("\tslcr lock\n");
printf("\tslcr unlock\n");
printf("\tslcr lockstatus\n");
printf("\tmio\n");
printf("\tclocks\n");
return -1;
}
if (!strcmp(argv[1].str, "slcr")) {
if (argc < 3) goto notenoughargs;
bool print_lock_status = false;
if (!strcmp(argv[2].str, "lock")) {
zynq_slcr_lock();
print_lock_status = true;
} else if (!strcmp(argv[2].str, "unlock")) {
zynq_slcr_unlock();
print_lock_status = true;
} else if (print_lock_status || !strcmp(argv[2].str, "lockstatus")) {
printf("%s\n", (SLCR->SLCR_LOCKSTA & 0x1) ? "locked" : "unlocked");
} else {
goto usage;
}
} else if (!strcmp(argv[1].str, "mio")) {
printf("zynq mio:\n");
for (size_t i = 0; i < ZYNQ_MIO_CNT; i++) {
printf("\t%02u: 0x%08x", i, *REG32((uintptr_t)&SLCR->MIO_PIN_00 + (i * 4)));
if (i % 4 == 3 || i == 53) {
putchar('\n');
}
}
} else if (!strcmp(argv[1].str, "clocks")) {
zynq_dump_clocks();
} else {
goto usage;
}
return 0;
}
void platform_init(void)
{
uart_init();
/* enable if we want to see some hardware boot status */
#if 0
printf("zynq boot status:\n");
printf("\tREBOOT_STATUS 0x%x\n", SLCR_REG(REBOOT_STATUS));
printf("\tBOOT_MODE 0x%x\n", SLCR_REG(BOOT_MODE));
zynq_dump_clocks();
printf("zynq mio:\n");
for (size_t i = 0; i < 54; i++) {
printf("\t%02u: 0x%08x", i, *REG32((uintptr_t)&SLCR->MIO_PIN_00 + (i * 4)));
if (i % 4 == 3 || i == 53) {
putchar('\n');
}
}
#endif
gem_init(GEM0_BASE, 256*1024);
}
