76 static void sh_qspi_init(struct sh_qspi_slave *ss)  in sh_qspi_init()  argument
80 	writeb(SPCR_MSTR, &ss->regs->spcr);  in sh_qspi_init()
83 	writeb(0x00, &ss->regs->sslp);  in sh_qspi_init()
86 	writeb(SPPCR_IO3FV|SPPCR_IO2FV, &ss->regs->sppcr);  in sh_qspi_init()
89 	writeb(0x01, &ss->regs->spbr);  in sh_qspi_init()
92 	writeb(0x00, &ss->regs->spdcr);  in sh_qspi_init()
95 	writeb(0x00, &ss->regs->spckd);  in sh_qspi_init()
98 	writeb(0x00, &ss->regs->sslnd);  in sh_qspi_init()
101 	writeb(0x00, &ss->regs->spnd);  in sh_qspi_init()
104 	writew(SPCMD_INIT2, &ss->regs->spcmd0);  in sh_qspi_init()
107 	setbits_8(&ss->regs->spbfcr, SPBFCR_TXRST|SPBFCR_RXRST);  in sh_qspi_init()
110 	clrbits_8(&ss->regs->spbfcr, SPBFCR_TXRST|SPBFCR_RXRST);  in sh_qspi_init()
113 	writeb(0x00, &ss->regs->spscr);  in sh_qspi_init()
116 	setbits_8(&ss->regs->spcr, SPCR_SPE);  in sh_qspi_init()
119 static void sh_qspi_cs_activate(struct sh_qspi_slave *ss)  in sh_qspi_cs_activate()  argument
122 	writeb(SPCR_MSTR, &ss->regs->spcr);  in sh_qspi_cs_activate()
125 	writew(SPCMD_INIT1, &ss->regs->spcmd0);  in sh_qspi_cs_activate()
128 	setbits_8(&ss->regs->spbfcr, SPBFCR_TXRST|SPBFCR_RXRST);  in sh_qspi_cs_activate()
131 	clrbits_8(&ss->regs->spbfcr, SPBFCR_TXRST|SPBFCR_RXRST);  in sh_qspi_cs_activate()
134 	writeb(0x00, &ss->regs->spscr);  in sh_qspi_cs_activate()
137 	setbits_8(&ss->regs->spcr, SPCR_SPE);  in sh_qspi_cs_activate()
140 static void sh_qspi_cs_deactivate(struct sh_qspi_slave *ss)  in sh_qspi_cs_deactivate()  argument
143 	clrbits_8(&ss->regs->spcr, SPCR_SPE);  in sh_qspi_cs_deactivate()
146 static int sh_qspi_xfer_common(struct sh_qspi_slave *ss, unsigned int bitlen,  in sh_qspi_xfer_common()  argument
153 	u32 *spbmul0 = &ss->regs->spbmul0;  in sh_qspi_xfer_common()
157 			sh_qspi_cs_deactivate(ss);  in sh_qspi_xfer_common()
169 		sh_qspi_cs_activate(ss);  in sh_qspi_xfer_common()
191 		clrsetbits_8(&ss->regs->spbfcr, SPBFCR_TXTRG | SPBFCR_RXTRG,  in sh_qspi_xfer_common()
194 		ret = wait_for_bit_8(&ss->regs->spsr, SPSR_SPTEF,  in sh_qspi_xfer_common()
200 			writeb(*tdata, &ss->regs->spdr);  in sh_qspi_xfer_common()
205 		ret = wait_for_bit_8(&ss->regs->spsr, SPSR_SPRFF,  in sh_qspi_xfer_common()
211 			*rdata = readb(&ss->regs->spdr);  in sh_qspi_xfer_common()
220 		sh_qspi_cs_deactivate(ss);  in sh_qspi_xfer_common()
238 	struct sh_qspi_slave *ss = to_sh_qspi(slave);  in spi_cs_activate()  local
240 	sh_qspi_cs_activate(ss);  in spi_cs_activate()
245 	struct sh_qspi_slave *ss = to_sh_qspi(slave);  in spi_cs_deactivate()  local
247 	sh_qspi_cs_deactivate(ss);  in spi_cs_deactivate()
253 	struct sh_qspi_slave *ss;  in spi_setup_slave()  local
258 	ss = spi_alloc_slave(struct sh_qspi_slave, bus, cs);  in spi_setup_slave()
259 	if (!ss) {  in spi_setup_slave()
264 	ss->regs = (struct sh_qspi_regs *)SH_QSPI_BASE;  in spi_setup_slave()
267 	sh_qspi_init(ss);  in spi_setup_slave()
269 	return &ss->slave;  in spi_setup_slave()
291 	struct sh_qspi_slave *ss = to_sh_qspi(slave);  in spi_xfer()  local
293 	return sh_qspi_xfer_common(ss, bitlen, dout, din, flags);  in spi_xfer()
304 	struct sh_qspi_slave *ss = dev_get_platdata(bus);  in sh_qspi_xfer()  local
306 	return sh_qspi_xfer_common(ss, bitlen, dout, din, flags);  in sh_qspi_xfer()
323 	struct sh_qspi_slave *ss = dev_get_platdata(dev);  in sh_qspi_probe()  local
325 	sh_qspi_init(ss);  in sh_qspi_probe()