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-rw-r--r--drivers/spi/cadence_qspi.c2
-rw-r--r--drivers/spi/designware_spi.c6
-rw-r--r--drivers/spi/fsl_qspi.c297
-rw-r--r--drivers/spi/fsl_qspi.h15
-rw-r--r--drivers/spi/ftssp010_spi.c36
5 files changed, 303 insertions, 53 deletions
diff --git a/drivers/spi/cadence_qspi.c b/drivers/spi/cadence_qspi.c
index fa95b19..98ae3b8 100644
--- a/drivers/spi/cadence_qspi.c
+++ b/drivers/spi/cadence_qspi.c
@@ -297,7 +297,7 @@ static int cadence_spi_ofdata_to_platdata(struct udevice *bus)
/* All other paramters are embedded in the child node */
subnode = fdt_first_subnode(blob, node);
- if (!subnode) {
+ if (subnode < 0) {
printf("Error: subnode with SPI flash config missing!\n");
return -ENODEV;
}
diff --git a/drivers/spi/designware_spi.c b/drivers/spi/designware_spi.c
index 98c9f03..700f616 100644
--- a/drivers/spi/designware_spi.c
+++ b/drivers/spi/designware_spi.c
@@ -164,13 +164,13 @@ static void spi_hw_init(struct dw_spi_priv *priv)
if (!priv->fifo_len) {
u32 fifo;
- for (fifo = 2; fifo <= 257; fifo++) {
+ for (fifo = 2; fifo <= 256; fifo++) {
dw_writew(priv, DW_SPI_TXFLTR, fifo);
if (fifo != dw_readw(priv, DW_SPI_TXFLTR))
break;
}
- priv->fifo_len = (fifo == 257) ? 0 : fifo;
+ priv->fifo_len = (fifo == 2) ? 0 : fifo - 1;
dw_writew(priv, DW_SPI_TXFLTR, 0);
}
debug("%s: fifo_len=%d\n", __func__, priv->fifo_len);
@@ -409,7 +409,7 @@ static const struct dm_spi_ops dw_spi_ops = {
};
static const struct udevice_id dw_spi_ids[] = {
- { .compatible = "snps,dw-spi-mmio" },
+ { .compatible = "snps,dw-apb-ssi" },
{ }
};
diff --git a/drivers/spi/fsl_qspi.c b/drivers/spi/fsl_qspi.c
index d12f420..5e0b069 100644
--- a/drivers/spi/fsl_qspi.c
+++ b/drivers/spi/fsl_qspi.c
@@ -33,6 +33,12 @@
#define SEQID_PP 6
#define SEQID_RDID 7
#define SEQID_BE_4K 8
+#ifdef CONFIG_SPI_FLASH_BAR
+#define SEQID_BRRD 9
+#define SEQID_BRWR 10
+#define SEQID_RDEAR 11
+#define SEQID_WREAR 12
+#endif
/* QSPI CMD */
#define QSPI_CMD_PP 0x02 /* Page program (up to 256 bytes) */
@@ -44,6 +50,14 @@
#define QSPI_CMD_SE 0xd8 /* Sector erase (usually 64KiB) */
#define QSPI_CMD_RDID 0x9f /* Read JEDEC ID */
+/* Used for Micron, winbond and Macronix flashes */
+#define QSPI_CMD_WREAR 0xc5 /* EAR register write */
+#define QSPI_CMD_RDEAR 0xc8 /* EAR reigster read */
+
+/* Used for Spansion flashes only. */
+#define QSPI_CMD_BRRD 0x16 /* Bank register read */
+#define QSPI_CMD_BRWR 0x17 /* Bank register write */
+
/* 4-byte address QSPI CMD - used on Spansion and some Macronix flashes */
#define QSPI_CMD_FAST_READ_4B 0x0c /* Read data bytes (high frequency) */
#define QSPI_CMD_PP_4B 0x12 /* Page program (up to 256 bytes) */
@@ -114,6 +128,11 @@ static void qspi_set_lut(struct fsl_qspi *qspi)
/* Fast Read */
lut_base = SEQID_FAST_READ * 4;
+#ifdef CONFIG_SPI_FLASH_BAR
+ qspi_write32(&regs->lut[lut_base], OPRND0(QSPI_CMD_FAST_READ) |
+ PAD0(LUT_PAD1) | INSTR0(LUT_CMD) | OPRND1(ADDR24BIT) |
+ PAD1(LUT_PAD1) | INSTR1(LUT_ADDR));
+#else
if (FSL_QSPI_FLASH_SIZE <= SZ_16M)
qspi_write32(&regs->lut[lut_base], OPRND0(QSPI_CMD_FAST_READ) |
PAD0(LUT_PAD1) | INSTR0(LUT_CMD) | OPRND1(ADDR24BIT) |
@@ -124,6 +143,7 @@ static void qspi_set_lut(struct fsl_qspi *qspi)
PAD0(LUT_PAD1) | INSTR0(LUT_CMD) |
OPRND1(ADDR32BIT) | PAD1(LUT_PAD1) |
INSTR1(LUT_ADDR));
+#endif
qspi_write32(&regs->lut[lut_base + 1], OPRND0(8) | PAD0(LUT_PAD1) |
INSTR0(LUT_DUMMY) | OPRND1(RX_BUFFER_SIZE) | PAD1(LUT_PAD1) |
INSTR1(LUT_READ));
@@ -141,6 +161,11 @@ static void qspi_set_lut(struct fsl_qspi *qspi)
/* Erase a sector */
lut_base = SEQID_SE * 4;
+#ifdef CONFIG_SPI_FLASH_BAR
+ qspi_write32(&regs->lut[lut_base], OPRND0(QSPI_CMD_SE) |
+ PAD0(LUT_PAD1) | INSTR0(LUT_CMD) | OPRND1(ADDR24BIT) |
+ PAD1(LUT_PAD1) | INSTR1(LUT_ADDR));
+#else
if (FSL_QSPI_FLASH_SIZE <= SZ_16M)
qspi_write32(&regs->lut[lut_base], OPRND0(QSPI_CMD_SE) |
PAD0(LUT_PAD1) | INSTR0(LUT_CMD) | OPRND1(ADDR24BIT) |
@@ -149,6 +174,7 @@ static void qspi_set_lut(struct fsl_qspi *qspi)
qspi_write32(&regs->lut[lut_base], OPRND0(QSPI_CMD_SE_4B) |
PAD0(LUT_PAD1) | INSTR0(LUT_CMD) | OPRND1(ADDR32BIT) |
PAD1(LUT_PAD1) | INSTR1(LUT_ADDR));
+#endif
qspi_write32(&regs->lut[lut_base + 1], 0);
qspi_write32(&regs->lut[lut_base + 2], 0);
qspi_write32(&regs->lut[lut_base + 3], 0);
@@ -163,6 +189,11 @@ static void qspi_set_lut(struct fsl_qspi *qspi)
/* Page Program */
lut_base = SEQID_PP * 4;
+#ifdef CONFIG_SPI_FLASH_BAR
+ qspi_write32(&regs->lut[lut_base], OPRND0(QSPI_CMD_PP) |
+ PAD0(LUT_PAD1) | INSTR0(LUT_CMD) | OPRND1(ADDR24BIT) |
+ PAD1(LUT_PAD1) | INSTR1(LUT_ADDR));
+#else
if (FSL_QSPI_FLASH_SIZE <= SZ_16M)
qspi_write32(&regs->lut[lut_base], OPRND0(QSPI_CMD_PP) |
PAD0(LUT_PAD1) | INSTR0(LUT_CMD) | OPRND1(ADDR24BIT) |
@@ -171,6 +202,7 @@ static void qspi_set_lut(struct fsl_qspi *qspi)
qspi_write32(&regs->lut[lut_base], OPRND0(QSPI_CMD_PP_4B) |
PAD0(LUT_PAD1) | INSTR0(LUT_CMD) | OPRND1(ADDR32BIT) |
PAD1(LUT_PAD1) | INSTR1(LUT_ADDR));
+#endif
#ifdef CONFIG_MX6SX
/*
* To MX6SX, OPRND0(TX_BUFFER_SIZE) can not work correctly.
@@ -200,11 +232,141 @@ static void qspi_set_lut(struct fsl_qspi *qspi)
PAD0(LUT_PAD1) | INSTR0(LUT_CMD) | OPRND1(ADDR24BIT) |
PAD1(LUT_PAD1) | INSTR1(LUT_ADDR));
+#ifdef CONFIG_SPI_FLASH_BAR
+ /*
+ * BRRD BRWR RDEAR WREAR are all supported, because it is hard to
+ * dynamically check whether to set BRRD BRWR or RDEAR WREAR during
+ * initialization.
+ */
+ lut_base = SEQID_BRRD * 4;
+ qspi_write32(&regs->lut[lut_base], OPRND0(QSPI_CMD_BRRD) |
+ PAD0(LUT_PAD1) | INSTR0(LUT_CMD) | OPRND1(1) |
+ PAD1(LUT_PAD1) | INSTR1(LUT_READ));
+
+ lut_base = SEQID_BRWR * 4;
+ qspi_write32(&regs->lut[lut_base], OPRND0(QSPI_CMD_BRWR) |
+ PAD0(LUT_PAD1) | INSTR0(LUT_CMD) | OPRND1(1) |
+ PAD1(LUT_PAD1) | INSTR1(LUT_WRITE));
+
+ lut_base = SEQID_RDEAR * 4;
+ qspi_write32(&regs->lut[lut_base], OPRND0(QSPI_CMD_RDEAR) |
+ PAD0(LUT_PAD1) | INSTR0(LUT_CMD) | OPRND1(1) |
+ PAD1(LUT_PAD1) | INSTR1(LUT_READ));
+
+ lut_base = SEQID_WREAR * 4;
+ qspi_write32(&regs->lut[lut_base], OPRND0(QSPI_CMD_WREAR) |
+ PAD0(LUT_PAD1) | INSTR0(LUT_CMD) | OPRND1(1) |
+ PAD1(LUT_PAD1) | INSTR1(LUT_WRITE));
+#endif
/* Lock the LUT */
qspi_write32(&regs->lutkey, LUT_KEY_VALUE);
qspi_write32(&regs->lckcr, QSPI_LCKCR_LOCK);
}
+#if defined(CONFIG_SYS_FSL_QSPI_AHB)
+/*
+ * If we have changed the content of the flash by writing or erasing,
+ * we need to invalidate the AHB buffer. If we do not do so, we may read out
+ * the wrong data. The spec tells us reset the AHB domain and Serial Flash
+ * domain at the same time.
+ */
+static inline void qspi_ahb_invalid(struct fsl_qspi *q)
+{
+ struct fsl_qspi_regs *regs = (struct fsl_qspi_regs *)q->reg_base;
+ u32 reg;
+
+ reg = qspi_read32(&regs->mcr);
+ reg |= QSPI_MCR_SWRSTHD_MASK | QSPI_MCR_SWRSTSD_MASK;
+ qspi_write32(&regs->mcr, reg);
+
+ /*
+ * The minimum delay : 1 AHB + 2 SFCK clocks.
+ * Delay 1 us is enough.
+ */
+ udelay(1);
+
+ reg &= ~(QSPI_MCR_SWRSTHD_MASK | QSPI_MCR_SWRSTSD_MASK);
+ qspi_write32(&regs->mcr, reg);
+}
+
+/* Read out the data from the AHB buffer. */
+static inline void qspi_ahb_read(struct fsl_qspi *q, u8 *rxbuf, int len)
+{
+ struct fsl_qspi_regs *regs = (struct fsl_qspi_regs *)q->reg_base;
+ u32 mcr_reg;
+
+ mcr_reg = qspi_read32(&regs->mcr);
+
+ qspi_write32(&regs->mcr, QSPI_MCR_CLR_RXF_MASK | QSPI_MCR_CLR_TXF_MASK |
+ QSPI_MCR_RESERVED_MASK | QSPI_MCR_END_CFD_LE);
+
+ /* Read out the data directly from the AHB buffer. */
+ memcpy(rxbuf, (u8 *)(q->amba_base + q->sf_addr), len);
+
+ qspi_write32(&regs->mcr, mcr_reg);
+}
+
+static void qspi_enable_ddr_mode(struct fsl_qspi_regs *regs)
+{
+ u32 reg, reg2;
+
+ reg = qspi_read32(&regs->mcr);
+ /* Disable the module */
+ qspi_write32(&regs->mcr, reg | QSPI_MCR_MDIS_MASK);
+
+ /* Set the Sampling Register for DDR */
+ reg2 = qspi_read32(&regs->smpr);
+ reg2 &= ~QSPI_SMPR_DDRSMP_MASK;
+ reg2 |= (2 << QSPI_SMPR_DDRSMP_SHIFT);
+ qspi_write32(&regs->smpr, reg2);
+
+ /* Enable the module again (enable the DDR too) */
+ reg |= QSPI_MCR_DDR_EN_MASK;
+ /* Enable bit 29 for imx6sx */
+ reg |= (1 << 29);
+
+ qspi_write32(&regs->mcr, reg);
+}
+
+/*
+ * There are two different ways to read out the data from the flash:
+ * the "IP Command Read" and the "AHB Command Read".
+ *
+ * The IC guy suggests we use the "AHB Command Read" which is faster
+ * then the "IP Command Read". (What's more is that there is a bug in
+ * the "IP Command Read" in the Vybrid.)
+ *
+ * After we set up the registers for the "AHB Command Read", we can use
+ * the memcpy to read the data directly. A "missed" access to the buffer
+ * causes the controller to clear the buffer, and use the sequence pointed
+ * by the QUADSPI_BFGENCR[SEQID] to initiate a read from the flash.
+ */
+static void qspi_init_ahb_read(struct fsl_qspi_regs *regs)
+{
+ /* AHB configuration for access buffer 0/1/2 .*/
+ qspi_write32(&regs->buf0cr, QSPI_BUFXCR_INVALID_MSTRID);
+ qspi_write32(&regs->buf1cr, QSPI_BUFXCR_INVALID_MSTRID);
+ qspi_write32(&regs->buf2cr, QSPI_BUFXCR_INVALID_MSTRID);
+ qspi_write32(&regs->buf3cr, QSPI_BUF3CR_ALLMST_MASK |
+ (0x80 << QSPI_BUF3CR_ADATSZ_SHIFT));
+
+ /* We only use the buffer3 */
+ qspi_write32(&regs->buf0ind, 0);
+ qspi_write32(&regs->buf1ind, 0);
+ qspi_write32(&regs->buf2ind, 0);
+
+ /*
+ * Set the default lut sequence for AHB Read.
+ * Parallel mode is disabled.
+ */
+ qspi_write32(&regs->bfgencr,
+ SEQID_FAST_READ << QSPI_BFGENCR_SEQID_SHIFT);
+
+ /*Enable DDR Mode*/
+ qspi_enable_ddr_mode(regs);
+}
+#endif
+
void spi_init()
{
/* do nothing */
@@ -215,8 +377,8 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
{
struct fsl_qspi *qspi;
struct fsl_qspi_regs *regs;
- u32 reg_val, smpr_val;
- u32 total_size, seq_id;
+ u32 smpr_val;
+ u32 total_size;
if (bus >= ARRAY_SIZE(spi_bases))
return NULL;
@@ -271,13 +433,9 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
qspi_write32(&regs->smpr, smpr_val);
qspi_write32(&regs->mcr, QSPI_MCR_RESERVED_MASK);
- seq_id = 0;
- reg_val = qspi_read32(&regs->bfgencr);
- reg_val &= ~QSPI_BFGENCR_SEQID_MASK;
- reg_val |= (seq_id << QSPI_BFGENCR_SEQID_SHIFT);
- reg_val &= ~QSPI_BFGENCR_PAR_EN_MASK;
- qspi_write32(&regs->bfgencr, reg_val);
-
+#ifdef CONFIG_SYS_FSL_QSPI_AHB
+ qspi_init_ahb_read(regs);
+#endif
return &qspi->slave;
}
@@ -293,6 +451,47 @@ int spi_claim_bus(struct spi_slave *slave)
return 0;
}
+#ifdef CONFIG_SPI_FLASH_BAR
+/* Bank register read/write, EAR register read/write */
+static void qspi_op_rdbank(struct fsl_qspi *qspi, u8 *rxbuf, u32 len)
+{
+ struct fsl_qspi_regs *regs = (struct fsl_qspi_regs *)qspi->reg_base;
+ u32 reg, mcr_reg, data, seqid;
+
+ mcr_reg = qspi_read32(&regs->mcr);
+ qspi_write32(&regs->mcr, QSPI_MCR_CLR_RXF_MASK | QSPI_MCR_CLR_TXF_MASK |
+ QSPI_MCR_RESERVED_MASK | QSPI_MCR_END_CFD_LE);
+ qspi_write32(&regs->rbct, QSPI_RBCT_RXBRD_USEIPS);
+
+ qspi_write32(&regs->sfar, qspi->amba_base);
+
+ if (qspi->cur_seqid == QSPI_CMD_BRRD)
+ seqid = SEQID_BRRD;
+ else
+ seqid = SEQID_RDEAR;
+
+ qspi_write32(&regs->ipcr, (seqid << QSPI_IPCR_SEQID_SHIFT) | len);
+
+ /* Wait previous command complete */
+ while (qspi_read32(&regs->sr) & QSPI_SR_BUSY_MASK)
+ ;
+
+ while (1) {
+ reg = qspi_read32(&regs->rbsr);
+ if (reg & QSPI_RBSR_RDBFL_MASK) {
+ data = qspi_read32(&regs->rbdr[0]);
+ data = qspi_endian_xchg(data);
+ memcpy(rxbuf, &data, len);
+ qspi_write32(&regs->mcr, qspi_read32(&regs->mcr) |
+ QSPI_MCR_CLR_RXF_MASK);
+ break;
+ }
+ }
+
+ qspi_write32(&regs->mcr, mcr_reg);
+}
+#endif
+
static void qspi_op_rdid(struct fsl_qspi *qspi, u32 *rxbuf, u32 len)
{
struct fsl_qspi_regs *regs = (struct fsl_qspi_regs *)qspi->reg_base;
@@ -327,6 +526,8 @@ static void qspi_op_rdid(struct fsl_qspi *qspi, u32 *rxbuf, u32 len)
qspi_write32(&regs->mcr, mcr_reg);
}
+#ifndef CONFIG_SYS_FSL_QSPI_AHB
+/* If not use AHB read, read data from ip interface */
static void qspi_op_read(struct fsl_qspi *qspi, u32 *rxbuf, u32 len)
{
struct fsl_qspi_regs *regs = (struct fsl_qspi_regs *)qspi->reg_base;
@@ -370,11 +571,12 @@ static void qspi_op_read(struct fsl_qspi *qspi, u32 *rxbuf, u32 len)
qspi_write32(&regs->mcr, mcr_reg);
}
+#endif
-static void qspi_op_pp(struct fsl_qspi *qspi, u32 *txbuf, u32 len)
+static void qspi_op_write(struct fsl_qspi *qspi, u8 *txbuf, u32 len)
{
struct fsl_qspi_regs *regs = (struct fsl_qspi_regs *)qspi->reg_base;
- u32 mcr_reg, data, reg, status_reg;
+ u32 mcr_reg, data, reg, status_reg, seqid;
int i, size, tx_size;
u32 to_or_from = 0;
@@ -404,22 +606,39 @@ static void qspi_op_pp(struct fsl_qspi *qspi, u32 *txbuf, u32 len)
qspi_read32(&regs->mcr) | QSPI_MCR_CLR_RXF_MASK);
}
+ /* Default is page programming */
+ seqid = SEQID_PP;
+#ifdef CONFIG_SPI_FLASH_BAR
+ if (qspi->cur_seqid == QSPI_CMD_BRWR)
+ seqid = SEQID_BRWR;
+ else if (qspi->cur_seqid == QSPI_CMD_WREAR)
+ seqid = SEQID_WREAR;
+#endif
+
to_or_from = qspi->sf_addr + qspi->amba_base;
+
qspi_write32(&regs->sfar, to_or_from);
tx_size = (len > TX_BUFFER_SIZE) ?
TX_BUFFER_SIZE : len;
- size = (tx_size + 3) / 4;
-
+ size = tx_size / 4;
for (i = 0; i < size; i++) {
- data = qspi_endian_xchg(*txbuf);
+ memcpy(&data, txbuf, 4);
+ data = qspi_endian_xchg(data);
qspi_write32(&regs->tbdr, data);
- txbuf++;
+ txbuf += 4;
}
- qspi_write32(&regs->ipcr,
- (SEQID_PP << QSPI_IPCR_SEQID_SHIFT) | tx_size);
+ size = tx_size % 4;
+ if (size) {
+ data = 0;
+ memcpy(&data, txbuf, size);
+ data = qspi_endian_xchg(data);
+ qspi_write32(&regs->tbdr, data);
+ }
+
+ qspi_write32(&regs->ipcr, (seqid << QSPI_IPCR_SEQID_SHIFT) | tx_size);
while (qspi_read32(&regs->sr) & QSPI_SR_BUSY_MASK)
;
@@ -495,16 +714,18 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen,
{
struct fsl_qspi *qspi = to_qspi_spi(slave);
u32 bytes = DIV_ROUND_UP(bitlen, 8);
- static u32 pp_sfaddr;
+ static u32 wr_sfaddr;
u32 txbuf;
if (dout) {
- memcpy(&txbuf, dout, 4);
- qspi->cur_seqid = *(u8 *)dout;
+ if (flags & SPI_XFER_BEGIN) {
+ qspi->cur_seqid = *(u8 *)dout;
+ memcpy(&txbuf, dout, 4);
+ }
if (flags == SPI_XFER_END) {
- qspi->sf_addr = pp_sfaddr;
- qspi_op_pp(qspi, (u32 *)dout, bytes);
+ qspi->sf_addr = wr_sfaddr;
+ qspi_op_write(qspi, (u8 *)dout, bytes);
return 0;
}
@@ -514,20 +735,46 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen,
(qspi->cur_seqid == QSPI_CMD_BE_4K)) {
qspi->sf_addr = swab32(txbuf) & OFFSET_BITS_MASK;
qspi_op_erase(qspi);
- } else if (qspi->cur_seqid == QSPI_CMD_PP) {
- pp_sfaddr = swab32(txbuf) & OFFSET_BITS_MASK;
+ } else if (qspi->cur_seqid == QSPI_CMD_PP)
+ wr_sfaddr = swab32(txbuf) & OFFSET_BITS_MASK;
+#ifdef CONFIG_SPI_FLASH_BAR
+ else if ((qspi->cur_seqid == QSPI_CMD_BRWR) ||
+ (qspi->cur_seqid == QSPI_CMD_WREAR)) {
+ wr_sfaddr = 0;
}
+#endif
}
if (din) {
- if (qspi->cur_seqid == QSPI_CMD_FAST_READ)
+ if (qspi->cur_seqid == QSPI_CMD_FAST_READ) {
+#ifdef CONFIG_SYS_FSL_QSPI_AHB
+ qspi_ahb_read(qspi, din, bytes);
+#else
qspi_op_read(qspi, din, bytes);
+#endif
+ }
else if (qspi->cur_seqid == QSPI_CMD_RDID)
qspi_op_rdid(qspi, din, bytes);
else if (qspi->cur_seqid == QSPI_CMD_RDSR)
qspi_op_rdsr(qspi, din);
+#ifdef CONFIG_SPI_FLASH_BAR
+ else if ((qspi->cur_seqid == QSPI_CMD_BRRD) ||
+ (qspi->cur_seqid == QSPI_CMD_RDEAR)) {
+ qspi->sf_addr = 0;
+ qspi_op_rdbank(qspi, din, bytes);
+ }
+#endif
}
+#ifdef CONFIG_SYS_FSL_QSPI_AHB
+ if ((qspi->cur_seqid == QSPI_CMD_SE) ||
+ (qspi->cur_seqid == QSPI_CMD_PP) ||
+ (qspi->cur_seqid == QSPI_CMD_BE_4K) ||
+ (qspi->cur_seqid == QSPI_CMD_WREAR) ||
+ (qspi->cur_seqid == QSPI_CMD_BRWR))
+ qspi_ahb_invalid(qspi);
+#endif
+
return 0;
}
diff --git a/drivers/spi/fsl_qspi.h b/drivers/spi/fsl_qspi.h
index db400e6..6cb3610 100644
--- a/drivers/spi/fsl_qspi.h
+++ b/drivers/spi/fsl_qspi.h
@@ -58,7 +58,12 @@ struct fsl_qspi_regs {
#define QSPI_MCR_END_CFD_SHIFT 2
#define QSPI_MCR_END_CFD_MASK (3 << QSPI_MCR_END_CFD_SHIFT)
+#ifdef CONFIG_SYS_FSL_QSPI_AHB
+/* AHB needs 64bit operation */
+#define QSPI_MCR_END_CFD_LE (3 << QSPI_MCR_END_CFD_SHIFT)
+#else
#define QSPI_MCR_END_CFD_LE (1 << QSPI_MCR_END_CFD_SHIFT)
+#endif
#define QSPI_MCR_DDR_EN_SHIFT 7
#define QSPI_MCR_DDR_EN_MASK (1 << QSPI_MCR_DDR_EN_SHIFT)
#define QSPI_MCR_CLR_RXF_SHIFT 10
@@ -69,6 +74,10 @@ struct fsl_qspi_regs {
#define QSPI_MCR_MDIS_MASK (1 << QSPI_MCR_MDIS_SHIFT)
#define QSPI_MCR_RESERVED_SHIFT 16
#define QSPI_MCR_RESERVED_MASK (0xf << QSPI_MCR_RESERVED_SHIFT)
+#define QSPI_MCR_SWRSTHD_SHIFT 1
+#define QSPI_MCR_SWRSTHD_MASK (1 << QSPI_MCR_SWRSTHD_SHIFT)
+#define QSPI_MCR_SWRSTSD_SHIFT 0
+#define QSPI_MCR_SWRSTSD_MASK (1 << QSPI_MCR_SWRSTSD_SHIFT)
#define QSPI_SMPR_HSENA_SHIFT 0
#define QSPI_SMPR_HSENA_MASK (1 << QSPI_SMPR_HSENA_SHIFT)
@@ -79,6 +88,12 @@ struct fsl_qspi_regs {
#define QSPI_SMPR_DDRSMP_SHIFT 16
#define QSPI_SMPR_DDRSMP_MASK (7 << QSPI_SMPR_DDRSMP_SHIFT)
+#define QSPI_BUFXCR_INVALID_MSTRID 0xe
+#define QSPI_BUF3CR_ALLMST_SHIFT 31
+#define QSPI_BUF3CR_ALLMST_MASK (1 << QSPI_BUF3CR_ALLMST_SHIFT)
+#define QSPI_BUF3CR_ADATSZ_SHIFT 8
+#define QSPI_BUF3CR_ADATSZ_MASK (0xFF << QSPI_BUF3CR_ADATSZ_SHIFT)
+
#define QSPI_BFGENCR_SEQID_SHIFT 12
#define QSPI_BFGENCR_SEQID_MASK (0xf << QSPI_BFGENCR_SEQID_SHIFT)
#define QSPI_BFGENCR_PAR_EN_SHIFT 16
diff --git a/drivers/spi/ftssp010_spi.c b/drivers/spi/ftssp010_spi.c
index aa3b5a0..267e4d8 100644
--- a/drivers/spi/ftssp010_spi.c
+++ b/drivers/spi/ftssp010_spi.c
@@ -169,61 +169,49 @@ static int get_spi_gpio(int bus, struct ftssp010_gpio *chip)
static int ftssp010_wait(struct ftssp010_spi *chip)
{
struct ftssp010_regs *regs = chip->regs;
- int ret = -1;
ulong t;
/* wait until device idle */
for (t = get_timer(0); get_timer(t) < CONFIG_FTSSP010_TIMEOUT; ) {
- if (readl(&regs->sr) & SR_BUSY)
- continue;
- ret = 0;
- break;
+ if (!(readl(&regs->sr) & SR_BUSY))
+ return 0;
}
- if (ret)
- puts("ftspi010: busy timeout\n");
+ puts("ftspi010: busy timeout\n");
- return ret;
+ return -1;
}
static int ftssp010_wait_tx(struct ftssp010_spi *chip)
{
struct ftssp010_regs *regs = chip->regs;
- int ret = -1;
ulong t;
/* wait until tx fifo not full */
for (t = get_timer(0); get_timer(t) < CONFIG_FTSSP010_TIMEOUT; ) {
- if (!(readl(&regs->sr) & SR_TFNF))
- continue;
- ret = 0;
- break;
+ if (readl(&regs->sr) & SR_TFNF)
+ return 0;
}
- if (ret)
- puts("ftssp010: tx timeout\n");
+ puts("ftssp010: tx timeout\n");
- return ret;
+ return -1;
}
static int ftssp010_wait_rx(struct ftssp010_spi *chip)
{
struct ftssp010_regs *regs = chip->regs;
- int ret = -1;
ulong t;
/* wait until rx fifo not empty */
for (t = get_timer(0); get_timer(t) < CONFIG_FTSSP010_TIMEOUT; ) {
- if (!SR_RFVE(readl(&regs->sr)))
- continue;
- ret = 0;
- break;
+ if (SR_RFVE(readl(&regs->sr)))
+ return 0;
}
- if (ret)
- puts("ftssp010: rx timeout\n");
+ puts("ftssp010: rx timeout\n");
- return ret;
+ return -1;
}
static int ftssp010_spi_work_transfer_v2(struct ftssp010_spi *chip,
generated by cgit v1.1 at 2024-11-10 10:52:40 +0000