.ck(dram_ck),
.ck_n(~dram_ck),
.cke(dram_cke),
- .cs_n(dram_cs_n),
+ .cs_n(~dram_cs_n),
.ras_n(dram_ras_n),
.cas_n(dram_cas_n),
.we_n(dram_we_n),
// uart, LEDs, switches
wire uart_tx ;
- wire uart_rx;
+ reg uart_rx = 0;
wire led_0;
wire led_1;
wire led_2;