drivers/spi/spi-amd-pci.c

35

struct amd_spi *amd_spi;

drivers/spi/spi-amd-pci.c

39

host = devm_spi_alloc_host(dev, sizeof(struct amd_spi));

drivers/spi/spi-amd-pci.c

43

amd_spi = spi_controller_get_devdata(host);

drivers/spi/spi-amd-pci.c

47

amd_spi->io_remap_addr = devm_ioremap(dev, io_base_addr, AMD_HID2_MEM_SIZE);

drivers/spi/spi-amd-pci.c

49

if (!amd_spi->io_remap_addr)

drivers/spi/spi-amd-pci.c

52

dev_dbg(dev, "io_remap_address: %p\n", amd_spi->io_remap_addr);

drivers/spi/spi-amd-pci.c

54

amd_spi->version = AMD_HID2_SPI;

drivers/spi/spi-amd.c

118

static inline u8 amd_spi_readreg8(struct amd_spi *amd_spi, int idx)

drivers/spi/spi-amd.c

120

return readb((u8 __iomem *)amd_spi->io_remap_addr + idx);

drivers/spi/spi-amd.c

123

static inline void amd_spi_writereg8(struct amd_spi *amd_spi, int idx, u8 val)

drivers/spi/spi-amd.c

125

writeb(val, ((u8 __iomem *)amd_spi->io_remap_addr + idx));

drivers/spi/spi-amd.c

128

static void amd_spi_setclear_reg8(struct amd_spi *amd_spi, int idx, u8 set, u8 clear)

drivers/spi/spi-amd.c

130

u8 tmp = amd_spi_readreg8(amd_spi, idx);

drivers/spi/spi-amd.c

133

amd_spi_writereg8(amd_spi, idx, tmp);

drivers/spi/spi-amd.c

136

static inline u16 amd_spi_readreg16(struct amd_spi *amd_spi, int idx)

drivers/spi/spi-amd.c

138

return readw((u8 __iomem *)amd_spi->io_remap_addr + idx);

drivers/spi/spi-amd.c

141

static inline void amd_spi_writereg16(struct amd_spi *amd_spi, int idx, u16 val)

drivers/spi/spi-amd.c

143

writew(val, ((u8 __iomem *)amd_spi->io_remap_addr + idx));

drivers/spi/spi-amd.c

146

static inline u32 amd_spi_readreg32(struct amd_spi *amd_spi, int idx)

drivers/spi/spi-amd.c

148

return readl((u8 __iomem *)amd_spi->io_remap_addr + idx);

drivers/spi/spi-amd.c

151

static inline void amd_spi_writereg32(struct amd_spi *amd_spi, int idx, u32 val)

drivers/spi/spi-amd.c

153

writel(val, ((u8 __iomem *)amd_spi->io_remap_addr + idx));

drivers/spi/spi-amd.c

156

static inline u64 amd_spi_readreg64(struct amd_spi *amd_spi, int idx)

drivers/spi/spi-amd.c

158

return readq((u8 __iomem *)amd_spi->io_remap_addr + idx);

drivers/spi/spi-amd.c

161

static inline void amd_spi_writereg64(struct amd_spi *amd_spi, int idx, u64 val)

drivers/spi/spi-amd.c

163

writeq(val, ((u8 __iomem *)amd_spi->io_remap_addr + idx));

drivers/spi/spi-amd.c

166

static inline void amd_spi_setclear_reg32(struct amd_spi *amd_spi, int idx, u32 set, u32 clear)

drivers/spi/spi-amd.c

168

u32 tmp = amd_spi_readreg32(amd_spi, idx);

drivers/spi/spi-amd.c

171

amd_spi_writereg32(amd_spi, idx, tmp);

drivers/spi/spi-amd.c

174

static void amd_spi_select_chip(struct amd_spi *amd_spi, u8 cs)

drivers/spi/spi-amd.c

176

amd_spi_setclear_reg8(amd_spi, AMD_SPI_ALT_CS_REG, cs, AMD_SPI_ALT_CS_MASK);

drivers/spi/spi-amd.c

179

static inline void amd_spi_clear_chip(struct amd_spi *amd_spi, u8 chip_select)

drivers/spi/spi-amd.c

181

amd_spi_writereg8(amd_spi, AMD_SPI_ALT_CS_REG, chip_select & ~AMD_SPI_ALT_CS_MASK);

drivers/spi/spi-amd.c

184

static void amd_spi_clear_fifo_ptr(struct amd_spi *amd_spi)

drivers/spi/spi-amd.c

186

amd_spi_setclear_reg32(amd_spi, AMD_SPI_CTRL0_REG, AMD_SPI_FIFO_CLEAR, AMD_SPI_FIFO_CLEAR);

drivers/spi/spi-amd.c

189

static int amd_spi_set_opcode(struct amd_spi *amd_spi, u8 cmd_opcode)

drivers/spi/spi-amd.c

191

switch (amd_spi->version) {

drivers/spi/spi-amd.c

193

amd_spi_setclear_reg32(amd_spi, AMD_SPI_CTRL0_REG, cmd_opcode,

drivers/spi/spi-amd.c

198

amd_spi_writereg8(amd_spi, AMD_SPI_OPCODE_REG, cmd_opcode);

drivers/spi/spi-amd.c

205

static inline void amd_spi_set_rx_count(struct amd_spi *amd_spi, u8 rx_count)

drivers/spi/spi-amd.c

207

amd_spi_writereg8(amd_spi, AMD_SPI_RX_COUNT_REG, rx_count);

drivers/spi/spi-amd.c

210

static inline void amd_spi_set_tx_count(struct amd_spi *amd_spi, u8 tx_count)

drivers/spi/spi-amd.c

212

amd_spi_writereg8(amd_spi, AMD_SPI_TX_COUNT_REG, tx_count);

drivers/spi/spi-amd.c

215

static int amd_spi_busy_wait(struct amd_spi *amd_spi)

drivers/spi/spi-amd.c

220

switch (amd_spi->version) {

drivers/spi/spi-amd.c

232

return readl_poll_timeout(amd_spi->io_remap_addr + reg, val,

drivers/spi/spi-amd.c

236

static int amd_spi_execute_opcode(struct amd_spi *amd_spi)

drivers/spi/spi-amd.c

240

ret = amd_spi_busy_wait(amd_spi);

drivers/spi/spi-amd.c

244

switch (amd_spi->version) {

drivers/spi/spi-amd.c

247

amd_spi_setclear_reg32(amd_spi, AMD_SPI_CTRL0_REG, AMD_SPI_EXEC_CMD,

drivers/spi/spi-amd.c

253

amd_spi_setclear_reg8(amd_spi, AMD_SPI_CMD_TRIGGER_REG,

drivers/spi/spi-amd.c

263

struct amd_spi *amd_spi = spi_controller_get_devdata(spi->controller);

drivers/spi/spi-amd.c

265

amd_spi_clear_fifo_ptr(amd_spi);

drivers/spi/spi-amd.c

282

static void amd_set_spi_freq(struct amd_spi *amd_spi, u32 speed_hz)

drivers/spi/spi-amd.c

290

if (amd_spi->speed_hz == amd_spi_freq[i].speed_hz)

drivers/spi/spi-amd.c

293

amd_spi->speed_hz = amd_spi_freq[i].speed_hz;

drivers/spi/spi-amd.c

297

amd_spi_setclear_reg32(amd_spi, AMD_SPI_ENA_REG, alt_spd,

drivers/spi/spi-amd.c

300

if (amd_spi->speed_hz == AMD_SPI_MAX_HZ)

drivers/spi/spi-amd.c

301

amd_spi_setclear_reg32(amd_spi, AMD_SPI_ENA_REG, 1,

drivers/spi/spi-amd.c

307

amd_spi_setclear_reg32(amd_spi, AMD_SPI_SPEED_REG, spd7_val,

drivers/spi/spi-amd.c

312

static inline int amd_spi_fifo_xfer(struct amd_spi *amd_spi,

drivers/spi/spi-amd.c

326

amd_set_spi_freq(amd_spi, xfer->speed_hz);

drivers/spi/spi-amd.c

328

amd_set_spi_freq(amd_spi, spi->max_speed_hz);

drivers/spi/spi-amd.c

341

amd_spi_writereg8(amd_spi, fifo_pos + i, buf[i]);

drivers/spi/spi-amd.c

356

amd_spi_set_opcode(amd_spi, cmd_opcode);

drivers/spi/spi-amd.c

357

amd_spi_set_tx_count(amd_spi, tx_len);

drivers/spi/spi-amd.c

358

amd_spi_set_rx_count(amd_spi, rx_len);

drivers/spi/spi-amd.c

361

message->status = amd_spi_execute_opcode(amd_spi);

drivers/spi/spi-amd.c

366

message->status = amd_spi_busy_wait(amd_spi);

drivers/spi/spi-amd.c

375

buf[i] = amd_spi_readreg8(amd_spi, fifo_pos + i);

drivers/spi/spi-amd.c

384

switch (amd_spi->version) {

drivers/spi/spi-amd.c

389

amd_spi_clear_chip(amd_spi, spi_get_chipselect(message->spi, 0));

drivers/spi/spi-amd.c

443

struct amd_spi *amd_spi = spi_controller_get_devdata(mem->spi->controller);

drivers/spi/spi-amd.c

458

if (amd_spi->version == AMD_HID2_SPI) {

drivers/spi/spi-amd.c

478

struct amd_spi *amd_spi = spi_controller_get_devdata(mem->spi->controller);

drivers/spi/spi-amd.c

486

if (amd_spi->version == AMD_HID2_SPI && (amd_is_spi_read_cmd(op->cmd.opcode) ||

drivers/spi/spi-amd.c

495

static void amd_spi_set_addr(struct amd_spi *amd_spi,

drivers/spi/spi-amd.c

505

amd_spi_writereg8(amd_spi, base_addr - i - 1, addr_val &

drivers/spi/spi-amd.c

511

static void amd_spi_hiddma_write(struct amd_spi *amd_spi, const struct spi_mem_op *op)

drivers/spi/spi-amd.c

520

hid_regval = amd_spi->phy_dma_buf | BIT(0);

drivers/spi/spi-amd.c

521

amd_spi_writereg32(amd_spi, AMD_SPI_HID2_OUTPUT_BUF0, hid_regval);

drivers/spi/spi-amd.c

524

hid_regval = amd_spi_readreg32(amd_spi, AMD_SPI_HID2_WRITE_CNTRL1);

drivers/spi/spi-amd.c

526

amd_spi_writereg32(amd_spi, AMD_SPI_HID2_WRITE_CNTRL1, hid_regval);

drivers/spi/spi-amd.c

529

hid_cmd_start = amd_spi_readreg16(amd_spi, AMD_SPI_HID2_CMD_START);

drivers/spi/spi-amd.c

530

amd_spi_writereg16(amd_spi, AMD_SPI_HID2_CMD_START, (hid_cmd_start | BIT(2)));

drivers/spi/spi-amd.c

533

readw_poll_timeout(amd_spi->io_remap_addr + AMD_SPI_HID2_INT_STATUS, val,

drivers/spi/spi-amd.c

537

val = amd_spi_readreg16(amd_spi, AMD_SPI_HID2_INT_STATUS);

drivers/spi/spi-amd.c

538

amd_spi_writereg16(amd_spi, AMD_SPI_HID2_INT_STATUS, val);

drivers/spi/spi-amd.c

541

static void amd_spi_mem_data_out(struct amd_spi *amd_spi,

drivers/spi/spi-amd.c

556

if (amd_spi->version == AMD_HID2_SPI && amd_is_spi_write_cmd(op->cmd.opcode)) {

drivers/spi/spi-amd.c

557

u64 *dma_buf64 = (u64 *)(amd_spi->dma_virt_addr + op->addr.nbytes + op->cmd.nbytes);

drivers/spi/spi-amd.c

558

u8 *dma_buf = (u8 *)amd_spi->dma_virt_addr;

drivers/spi/spi-amd.c

580

amd_spi_hiddma_write(amd_spi, op);

drivers/spi/spi-amd.c

582

amd_spi_set_opcode(amd_spi, op->cmd.opcode);

drivers/spi/spi-amd.c

583

amd_spi_set_addr(amd_spi, op);

drivers/spi/spi-amd.c

586

amd_spi_writereg64(amd_spi, base_addr + op->dummy.nbytes + (i * 8),

drivers/spi/spi-amd.c

591

amd_spi_writereg8(amd_spi,

drivers/spi/spi-amd.c

596

amd_spi_set_tx_count(amd_spi, op->addr.nbytes + op->data.nbytes);

drivers/spi/spi-amd.c

597

amd_spi_set_rx_count(amd_spi, 0);

drivers/spi/spi-amd.c

598

amd_spi_clear_fifo_ptr(amd_spi);

drivers/spi/spi-amd.c

599

amd_spi_execute_opcode(amd_spi);

drivers/spi/spi-amd.c

603

static void amd_spi_hiddma_read(struct amd_spi *amd_spi, const struct spi_mem_op *op)

drivers/spi/spi-amd.c

609

hid_regval = amd_spi_readreg32(amd_spi, AMD_SPI_HID2_READ_CNTRL0);

drivers/spi/spi-amd.c

619

amd_spi_writereg32(amd_spi, AMD_SPI_HID2_READ_CNTRL0, hid_regval);

drivers/spi/spi-amd.c

622

hid_regval = amd_spi_readreg32(amd_spi, AMD_SPI_HID2_READ_CNTRL2);

drivers/spi/spi-amd.c

634

amd_spi_writereg32(amd_spi, AMD_SPI_HID2_READ_CNTRL2, hid_regval);

drivers/spi/spi-amd.c

640

hid_regval = amd_spi->phy_dma_buf | BIT(5) | BIT(0);

drivers/spi/spi-amd.c

641

amd_spi_writereg32(amd_spi, AMD_SPI_HID2_INPUT_RING_BUF0, hid_regval);

drivers/spi/spi-amd.c

644

hid_regval = amd_spi_readreg32(amd_spi, AMD_SPI_HID2_READ_CNTRL1);

drivers/spi/spi-amd.c

646

amd_spi_writereg32(amd_spi, AMD_SPI_HID2_READ_CNTRL1, hid_regval);

drivers/spi/spi-amd.c

649

hid_cmd_start = amd_spi_readreg16(amd_spi, AMD_SPI_HID2_CMD_START);

drivers/spi/spi-amd.c

650

amd_spi_writereg16(amd_spi, AMD_SPI_HID2_CMD_START, (hid_cmd_start | BIT(3)));

drivers/spi/spi-amd.c

653

readw_poll_timeout(amd_spi->io_remap_addr + AMD_SPI_HID2_INT_STATUS, val,

drivers/spi/spi-amd.c

657

val = amd_spi_readreg16(amd_spi, AMD_SPI_HID2_INT_STATUS);

drivers/spi/spi-amd.c

658

amd_spi_writereg16(amd_spi, AMD_SPI_HID2_INT_STATUS, val);

drivers/spi/spi-amd.c

661

static void amd_spi_mem_data_in(struct amd_spi *amd_spi,

drivers/spi/spi-amd.c

676

if (amd_spi->version == AMD_HID2_SPI && amd_is_spi_read_cmd(op->cmd.opcode)) {

drivers/spi/spi-amd.c

677

u64 *dma_buf64 = (u64 *)amd_spi->dma_virt_addr;

drivers/spi/spi-amd.c

680

amd_spi_hiddma_read(amd_spi, op);

drivers/spi/spi-amd.c

694

data = amd_spi_readreg32(amd_spi, AMD_SPI_HID2_CNTRL);

drivers/spi/spi-amd.c

695

amd_spi_writereg32(amd_spi, AMD_SPI_HID2_CNTRL, data | BIT(5));

drivers/spi/spi-amd.c

698

amd_spi_set_opcode(amd_spi, op->cmd.opcode);

drivers/spi/spi-amd.c

699

amd_spi_set_addr(amd_spi, op);

drivers/spi/spi-amd.c

700

amd_spi_set_tx_count(amd_spi, op->addr.nbytes + op->dummy.nbytes);

drivers/spi/spi-amd.c

703

amd_spi_writereg8(amd_spi, (base_addr + i), 0xff);

drivers/spi/spi-amd.c

705

amd_spi_set_rx_count(amd_spi, op->data.nbytes);

drivers/spi/spi-amd.c

706

amd_spi_clear_fifo_ptr(amd_spi);

drivers/spi/spi-amd.c

707

amd_spi_execute_opcode(amd_spi);

drivers/spi/spi-amd.c

708

amd_spi_busy_wait(amd_spi);

drivers/spi/spi-amd.c

711

*buf_64++ = amd_spi_readreg64(amd_spi, base_addr + op->dummy.nbytes +

drivers/spi/spi-amd.c

716

buf[i] = amd_spi_readreg8(amd_spi, base_addr + op->dummy.nbytes +

drivers/spi/spi-amd.c

722

static void amd_set_spi_addr_mode(struct amd_spi *amd_spi,

drivers/spi/spi-amd.c

725

u32 val = amd_spi_readreg32(amd_spi, AMD_SPI_ADDR32CTRL_REG);

drivers/spi/spi-amd.c

728

amd_spi_writereg32(amd_spi, AMD_SPI_ADDR32CTRL_REG, val | BIT(0));

drivers/spi/spi-amd.c

730

amd_spi_writereg32(amd_spi, AMD_SPI_ADDR32CTRL_REG, val & ~BIT(0));

drivers/spi/spi-amd.c

736

struct amd_spi *amd_spi;

drivers/spi/spi-amd.c

738

amd_spi = spi_controller_get_devdata(mem->spi->controller);

drivers/spi/spi-amd.c

740

amd_set_spi_freq(amd_spi, op->max_freq);

drivers/spi/spi-amd.c

742

if (amd_spi->version == AMD_SPI_V2)

drivers/spi/spi-amd.c

743

amd_set_spi_addr_mode(amd_spi, op);

drivers/spi/spi-amd.c

747

amd_spi_mem_data_in(amd_spi, op);

drivers/spi/spi-amd.c

752

amd_spi_mem_data_out(amd_spi, op);

drivers/spi/spi-amd.c

774

struct amd_spi *amd_spi = spi_controller_get_devdata(host);

drivers/spi/spi-amd.c

777

amd_spi_select_chip(amd_spi, spi_get_chipselect(spi, 0));

drivers/spi/spi-amd.c

783

return amd_spi_fifo_xfer(amd_spi, host, msg);

drivers/spi/spi-amd.c

791

static int amd_spi_setup_hiddma(struct amd_spi *amd_spi, struct device *dev)

drivers/spi/spi-amd.c

801

amd_spi->dma_virt_addr = dmam_alloc_coherent(dev, AMD_SPI_HID2_DMA_SIZE * 2,

drivers/spi/spi-amd.c

802

&amd_spi->phy_dma_buf, GFP_KERNEL);

drivers/spi/spi-amd.c

803

if (!amd_spi->dma_virt_addr)

drivers/spi/spi-amd.c

810

hid_regval = amd_spi_readreg32(amd_spi, AMD_SPI_HID2_INT_MASK);

drivers/spi/spi-amd.c

812

amd_spi_writereg32(amd_spi, AMD_SPI_HID2_INT_MASK, hid_regval);

drivers/spi/spi-amd.c

815

hid_regval = amd_spi_readreg32(amd_spi, AMD_SPI_HID2_CNTRL);

drivers/spi/spi-amd.c

816

amd_spi_writereg32(amd_spi, AMD_SPI_HID2_CNTRL, (hid_regval | GENMASK(13, 12)) & ~BIT(3));

drivers/spi/spi-amd.c

823

struct amd_spi *amd_spi = spi_controller_get_devdata(host);

drivers/spi/spi-amd.c

844

if (amd_spi->version == AMD_HID2_SPI)

drivers/spi/spi-amd.c

845

err = amd_spi_setup_hiddma(amd_spi, dev);

drivers/spi/spi-amd.c

855

struct amd_spi *amd_spi;

drivers/spi/spi-amd.c

858

host = devm_spi_alloc_host(dev, sizeof(struct amd_spi));

drivers/spi/spi-amd.c

862

amd_spi = spi_controller_get_devdata(host);

drivers/spi/spi-amd.c

863

amd_spi->io_remap_addr = devm_platform_ioremap_resource(pdev, 0);

drivers/spi/spi-amd.c

864

if (IS_ERR(amd_spi->io_remap_addr))

drivers/spi/spi-amd.c

865

return dev_err_probe(dev, PTR_ERR(amd_spi->io_remap_addr),

drivers/spi/spi-amd.c

868

dev_dbg(dev, "io_remap_address: %p\n", amd_spi->io_remap_addr);

drivers/spi/spi-amd.c

870

amd_spi->version = (uintptr_t)device_get_match_data(dev);

drivers/spi/spi-amd.c

871

host->bus_num = (amd_spi->version == AMD_HID2_SPI) ? 2 : 0;