wb_write
wb_write(wb, WB_SD_CSR, val);
wb_write(wb, WB_SD_CSR, 0);
wb_write(wb, WB_SD_INTCTL, WB_INT_DEFAULT);
wb_write(wb, WB_SD_CSR, val);
wb_write(wb, WB_SD_COMMAND, cmd->c_opcode);
wb_write(wb, WB_SD_COMMAND, (cmd->c_arg >> 24) & 0xff);
wb_write(wb, WB_SD_COMMAND, (cmd->c_arg >> 16) & 0xff);
wb_write(wb, WB_SD_COMMAND, (cmd->c_arg >> 8) & 0xff);
wb_write(wb, WB_SD_COMMAND, (cmd->c_arg >> 0) & 0xff);
void wb_write(struct wb_softc *, uint8_t, uint8_t);