14 #include "spi-cavium.h"
24 		mpi_sts.u64 = readq(p->register_base + OCTEON_SPI_STS(p));  in octeon_spi_wait_ready()
33 	struct spi_device *spi = msg->spi;  in octeon_spi_do_transfer()
36 	unsigned int clkdiv;  in octeon_spi_do_transfer()  local
44 	mode = spi->mode;  in octeon_spi_do_transfer()
48 	clkdiv = p->sys_freq / (2 * xfer->speed_hz);  in octeon_spi_do_transfer()
52 	mpi_cfg.s.clkdiv = clkdiv;  in octeon_spi_do_transfer()
61 		p->cs_enax |= 1ull << (12 + spi_get_chipselect(spi, 0));  in octeon_spi_do_transfer()
62 	mpi_cfg.u64 |= p->cs_enax;  in octeon_spi_do_transfer()
64 	if (mpi_cfg.u64 != p->last_cfg) {  in octeon_spi_do_transfer()
65 		p->last_cfg = mpi_cfg.u64;  in octeon_spi_do_transfer()
66 		writeq(mpi_cfg.u64, p->register_base + OCTEON_SPI_CFG(p));  in octeon_spi_do_transfer()
68 	tx_buf = xfer->tx_buf;  in octeon_spi_do_transfer()
69 	rx_buf = xfer->rx_buf;  in octeon_spi_do_transfer()
70 	len = xfer->len;  in octeon_spi_do_transfer()
78 			writeq(d, p->register_base + OCTEON_SPI_DAT0(p) + (8 * i));  in octeon_spi_do_transfer()
85 		writeq(mpi_tx.u64, p->register_base + OCTEON_SPI_TX(p));  in octeon_spi_do_transfer()
90 				u64 v = readq(p->register_base + OCTEON_SPI_DAT0(p) + (8 * i));  in octeon_spi_do_transfer()
93 		len -= OCTEON_SPI_MAX_BYTES;  in octeon_spi_do_transfer()
102 		writeq(d, p->register_base + OCTEON_SPI_DAT0(p) + (8 * i));  in octeon_spi_do_transfer()
108 		mpi_tx.s.leavecs = xfer->cs_change;  in octeon_spi_do_transfer()
110 		mpi_tx.s.leavecs = !xfer->cs_change;  in octeon_spi_do_transfer()
113 	writeq(mpi_tx.u64, p->register_base + OCTEON_SPI_TX(p));  in octeon_spi_do_transfer()
118 			u64 v = readq(p->register_base + OCTEON_SPI_DAT0(p) + (8 * i));  in octeon_spi_do_transfer()
124 	return xfer->len;  in octeon_spi_do_transfer()
135 	list_for_each_entry(xfer, &msg->transfers, transfer_list) {  in octeon_spi_transfer_one_message()
136 		bool last_xfer = list_is_last(&xfer->transfer_list,  in octeon_spi_transfer_one_message()
137 					      &msg->transfers);  in octeon_spi_transfer_one_message()
146 	msg->status = status;  in octeon_spi_transfer_one_message()
147 	msg->actual_length = total_len;  in octeon_spi_transfer_one_message()