83 	struct serialbuffer __iomem *rtx;  in smc_init()  local
112 	rtx = (struct serialbuffer __iomem *)&cp->cp_dpmem[CPM_SERIAL_BASE];  in smc_init()
119 	out_be32(&rtx->rxbd.cbd_bufaddr, (__force uint)&rtx->rxbuf);  in smc_init()
120 	out_be16(&rtx->rxbd.cbd_sc, 0);  in smc_init()
122 	out_be32(&rtx->txbd.cbd_bufaddr, (__force uint)&rtx->txbuf);  in smc_init()
123 	out_be16(&rtx->txbd.cbd_sc, 0);  in smc_init()
145 	setbits_be16(&rtx->txbd.cbd_sc, BD_SC_WRAP);  in smc_init()
146 	setbits_be16(&rtx->rxbd.cbd_sc, BD_SC_EMPTY | BD_SC_WRAP);  in smc_init()
151 	out_be32(&rtx->rxindex, 0);  in smc_init()
173 	struct serialbuffer	__iomem *rtx;  in smc_putc()  local
178 	rtx = (struct serialbuffer __iomem *)&cpmp->cp_dpmem[CPM_SERIAL_BASE];  in smc_putc()
181 	out_8(&rtx->txbuf, c);  in smc_putc()
182 	out_be16(&rtx->txbd.cbd_datlen, 1);  in smc_putc()
183 	setbits_be16(&rtx->txbd.cbd_sc, BD_SC_READY);  in smc_putc()
185 	while (in_be16(&rtx->txbd.cbd_sc) & BD_SC_READY)  in smc_putc()
199 	struct serialbuffer	__iomem *rtx;  in smc_getc()  local
203 	rtx = (struct serialbuffer __iomem *)&cpmp->cp_dpmem[CPM_SERIAL_BASE];  in smc_getc()
206 	while (in_be16(&rtx->rxbd.cbd_sc) & BD_SC_EMPTY)  in smc_getc()
212 	rxindex = in_be32(&rtx->rxindex);  in smc_getc()
213 	c = in_8(rtx->rxbuf + rxindex);  in smc_getc()
217 	if (rxindex >= in_be16(&rtx->rxbd.cbd_datlen)) {  in smc_getc()
219 		setbits_be16(&rtx->rxbd.cbd_sc, BD_SC_EMPTY);  in smc_getc()
221 	out_be32(&rtx->rxindex, rxindex);  in smc_getc()
229 	struct serialbuffer	__iomem *rtx;  in smc_tstc()  local
231 	rtx = (struct serialbuffer __iomem *)&cpmp->cp_dpmem[CPM_SERIAL_BASE];  in smc_tstc()
233 	return !(in_be16(&rtx->rxbd.cbd_sc) & BD_SC_EMPTY);  in smc_tstc()