ref: afab68305b44a6ab50d9112e8e3a37e7518c04b7
dir: /sys/src/boot/zynq/dat.h/
enum {
DHCPTIMEOUT = 2000,
ARPTIMEOUT = 1000,
TFTPTIMEOUT = 10000,
TZERO = 0x80000,
CONFSIZE = 65536,
CONF = TZERO - CONFSIZE,
};
#define nelem(x) (sizeof(x)/sizeof(*(x)))