79 static void sh_qspi_init(struct sh_qspi_slave *ss)  in sh_qspi_init()  argument
83 	writeb(SPCR_MSTR, &ss->regs->spcr);  in sh_qspi_init()
86 	writeb(0x00, &ss->regs->sslp);  in sh_qspi_init()
89 	writeb(SPPCR_IO3FV|SPPCR_IO2FV, &ss->regs->sppcr);  in sh_qspi_init()
92 	writeb(0x01, &ss->regs->spbr);  in sh_qspi_init()
95 	writeb(0x00, &ss->regs->spdcr);  in sh_qspi_init()
98 	writeb(0x00, &ss->regs->spckd);  in sh_qspi_init()
101 	writeb(0x00, &ss->regs->sslnd);  in sh_qspi_init()
104 	writeb(0x00, &ss->regs->spnd);  in sh_qspi_init()
107 	writew(SPCMD_INIT2, &ss->regs->spcmd0);  in sh_qspi_init()
110 	setbits_8(&ss->regs->spbfcr, SPBFCR_TXRST|SPBFCR_RXRST);  in sh_qspi_init()
113 	clrbits_8(&ss->regs->spbfcr, SPBFCR_TXRST|SPBFCR_RXRST);  in sh_qspi_init()
116 	writeb(0x00, &ss->regs->spscr);  in sh_qspi_init()
119 	setbits_8(&ss->regs->spcr, SPCR_SPE);  in sh_qspi_init()
129 	struct sh_qspi_slave *ss = to_sh_qspi(slave);  in spi_cs_activate()  local
132 	writeb(SPCR_MSTR, &ss->regs->spcr);  in spi_cs_activate()
135 	writew(SPCMD_INIT1, &ss->regs->spcmd0);  in spi_cs_activate()
138 	setbits_8(&ss->regs->spbfcr, SPBFCR_TXRST|SPBFCR_RXRST);  in spi_cs_activate()
141 	clrbits_8(&ss->regs->spbfcr, SPBFCR_TXRST|SPBFCR_RXRST);  in spi_cs_activate()
144 	writeb(0x00, &ss->regs->spscr);  in spi_cs_activate()
147 	setbits_8(&ss->regs->spcr, SPCR_SPE);  in spi_cs_activate()
152 	struct sh_qspi_slave *ss = to_sh_qspi(slave);  in spi_cs_deactivate()  local
155 	clrbits_8(&ss->regs->spcr, SPCR_SPE);  in spi_cs_deactivate()
166 	struct sh_qspi_slave *ss;  in spi_setup_slave()  local
171 	ss = spi_alloc_slave(struct sh_qspi_slave, bus, cs);  in spi_setup_slave()
172 	if (!ss) {  in spi_setup_slave()
177 	ss->regs = (struct sh_qspi_regs *)SH_QSPI_BASE;  in spi_setup_slave()
180 	sh_qspi_init(ss);  in spi_setup_slave()
182 	return &ss->slave;  in spi_setup_slave()
204 	struct sh_qspi_slave *ss = to_sh_qspi(slave);  in spi_xfer()  local
209 	u32 *spbmul0 = &ss->regs->spbmul0;  in spi_xfer()
247 		clrsetbits_8(&ss->regs->spbfcr, SPBFCR_TXTRG | SPBFCR_RXTRG,  in spi_xfer()
250 		ret = wait_for_bit_8(&ss->regs->spsr, SPSR_SPTEF,  in spi_xfer()
256 			writeb(*tdata, &ss->regs->spdr);  in spi_xfer()
261 		ret = wait_for_bit_8(&ss->regs->spsr, SPSR_SPRFF,  in spi_xfer()
267 			*rdata = readb(&ss->regs->spdr);  in spi_xfer()