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path: root/drivers/spi/fsl_qspi.c
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Diffstat (limited to 'drivers/spi/fsl_qspi.c')
-rw-r--r--drivers/spi/fsl_qspi.c64
1 files changed, 33 insertions, 31 deletions
diff --git a/drivers/spi/fsl_qspi.c b/drivers/spi/fsl_qspi.c
index ba20bef..61490c9 100644
--- a/drivers/spi/fsl_qspi.c
+++ b/drivers/spi/fsl_qspi.c
@@ -29,19 +29,19 @@
#define SEQID_PP 6
#define SEQID_RDID 7
-/* Flash opcodes */
-#define OPCODE_PP 0x02 /* Page program (up to 256 bytes) */
-#define OPCODE_RDSR 0x05 /* Read status register */
-#define OPCODE_WREN 0x06 /* Write enable */
-#define OPCODE_FAST_READ 0x0b /* Read data bytes (high frequency) */
-#define OPCODE_CHIP_ERASE 0xc7 /* Erase whole flash chip */
-#define OPCODE_SE 0xd8 /* Sector erase (usually 64KiB) */
-#define OPCODE_RDID 0x9f /* Read JEDEC ID */
-
-/* 4-byte address opcodes - used on Spansion and some Macronix flashes */
-#define OPCODE_FAST_READ_4B 0x0c /* Read data bytes (high frequency) */
-#define OPCODE_PP_4B 0x12 /* Page program (up to 256 bytes) */
-#define OPCODE_SE_4B 0xdc /* Sector erase (usually 64KiB) */
+/* QSPI CMD */
+#define QSPI_CMD_PP 0x02 /* Page program (up to 256 bytes) */
+#define QSPI_CMD_RDSR 0x05 /* Read status register */
+#define QSPI_CMD_WREN 0x06 /* Write enable */
+#define QSPI_CMD_FAST_READ 0x0b /* Read data bytes (high frequency) */
+#define QSPI_CMD_CHIP_ERASE 0xc7 /* Erase whole flash chip */
+#define QSPI_CMD_SE 0xd8 /* Sector erase (usually 64KiB) */
+#define QSPI_CMD_RDID 0x9f /* Read JEDEC ID */
+
+/* 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) */
+#define QSPI_CMD_SE_4B 0xdc /* Sector erase (usually 64KiB) */
#ifdef CONFIG_SYS_FSL_QSPI_LE
#define qspi_read32 in_le32
@@ -94,7 +94,7 @@ static void qspi_set_lut(struct fsl_qspi *qspi)
/* Write Enable */
lut_base = SEQID_WREN * 4;
- qspi_write32(&regs->lut[lut_base], OPRND0(OPCODE_WREN) |
+ qspi_write32(&regs->lut[lut_base], OPRND0(QSPI_CMD_WREN) |
PAD0(LUT_PAD1) | INSTR0(LUT_CMD));
qspi_write32(&regs->lut[lut_base + 1], 0);
qspi_write32(&regs->lut[lut_base + 2], 0);
@@ -103,13 +103,15 @@ static void qspi_set_lut(struct fsl_qspi *qspi)
/* Fast Read */
lut_base = SEQID_FAST_READ * 4;
if (FSL_QSPI_FLASH_SIZE <= SZ_16M)
- qspi_write32(&regs->lut[lut_base], OPRND0(OPCODE_FAST_READ) |
+ 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
- qspi_write32(&regs->lut[lut_base], OPRND0(OPCODE_FAST_READ_4B) |
- PAD0(LUT_PAD1) | INSTR0(LUT_CMD) | OPRND1(ADDR32BIT) |
- PAD1(LUT_PAD1) | INSTR1(LUT_ADDR));
+ qspi_write32(&regs->lut[lut_base],
+ OPRND0(QSPI_CMD_FAST_READ_4B) |
+ PAD0(LUT_PAD1) | INSTR0(LUT_CMD) |
+ OPRND1(ADDR32BIT) | PAD1(LUT_PAD1) |
+ INSTR1(LUT_ADDR));
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));
@@ -118,7 +120,7 @@ static void qspi_set_lut(struct fsl_qspi *qspi)
/* Read Status */
lut_base = SEQID_RDSR * 4;
- qspi_write32(&regs->lut[lut_base], OPRND0(OPCODE_RDSR) |
+ qspi_write32(&regs->lut[lut_base], OPRND0(QSPI_CMD_RDSR) |
PAD0(LUT_PAD1) | INSTR0(LUT_CMD) | OPRND1(1) |
PAD1(LUT_PAD1) | INSTR1(LUT_READ));
qspi_write32(&regs->lut[lut_base + 1], 0);
@@ -128,11 +130,11 @@ static void qspi_set_lut(struct fsl_qspi *qspi)
/* Erase a sector */
lut_base = SEQID_SE * 4;
if (FSL_QSPI_FLASH_SIZE <= SZ_16M)
- qspi_write32(&regs->lut[lut_base], OPRND0(OPCODE_SE) |
+ 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
- qspi_write32(&regs->lut[lut_base], OPRND0(OPCODE_SE_4B) |
+ 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));
qspi_write32(&regs->lut[lut_base + 1], 0);
@@ -141,7 +143,7 @@ static void qspi_set_lut(struct fsl_qspi *qspi)
/* Erase the whole chip */
lut_base = SEQID_CHIP_ERASE * 4;
- qspi_write32(&regs->lut[lut_base], OPRND0(OPCODE_CHIP_ERASE) |
+ qspi_write32(&regs->lut[lut_base], OPRND0(QSPI_CMD_CHIP_ERASE) |
PAD0(LUT_PAD1) | INSTR0(LUT_CMD));
qspi_write32(&regs->lut[lut_base + 1], 0);
qspi_write32(&regs->lut[lut_base + 2], 0);
@@ -150,11 +152,11 @@ static void qspi_set_lut(struct fsl_qspi *qspi)
/* Page Program */
lut_base = SEQID_PP * 4;
if (FSL_QSPI_FLASH_SIZE <= SZ_16M)
- qspi_write32(&regs->lut[lut_base], OPRND0(OPCODE_PP) |
+ 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
- qspi_write32(&regs->lut[lut_base], OPRND0(OPCODE_PP_4B) |
+ 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));
qspi_write32(&regs->lut[lut_base + 1], OPRND0(TX_BUFFER_SIZE) |
@@ -164,7 +166,7 @@ static void qspi_set_lut(struct fsl_qspi *qspi)
/* READ ID */
lut_base = SEQID_RDID * 4;
- qspi_write32(&regs->lut[lut_base], OPRND0(OPCODE_RDID) |
+ qspi_write32(&regs->lut[lut_base], OPRND0(QSPI_CMD_RDID) |
PAD0(LUT_PAD1) | INSTR0(LUT_CMD) | OPRND1(8) |
PAD1(LUT_PAD1) | INSTR1(LUT_READ));
qspi_write32(&regs->lut[lut_base + 1], 0);
@@ -454,22 +456,22 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen,
return 0;
}
- if (qspi->cur_seqid == OPCODE_FAST_READ) {
+ if (qspi->cur_seqid == QSPI_CMD_FAST_READ) {
qspi->sf_addr = swab32(txbuf) & OFFSET_BITS_MASK;
- } else if (qspi->cur_seqid == OPCODE_SE) {
+ } else if (qspi->cur_seqid == QSPI_CMD_SE) {
qspi->sf_addr = swab32(txbuf) & OFFSET_BITS_MASK;
qspi_op_se(qspi);
- } else if (qspi->cur_seqid == OPCODE_PP) {
+ } else if (qspi->cur_seqid == QSPI_CMD_PP) {
pp_sfaddr = swab32(txbuf) & OFFSET_BITS_MASK;
}
}
if (din) {
- if (qspi->cur_seqid == OPCODE_FAST_READ)
+ if (qspi->cur_seqid == QSPI_CMD_FAST_READ)
qspi_op_read(qspi, din, bytes);
- else if (qspi->cur_seqid == OPCODE_RDID)
+ else if (qspi->cur_seqid == QSPI_CMD_RDID)
qspi_op_rdid(qspi, din, bytes);
- else if (qspi->cur_seqid == OPCODE_RDSR)
+ else if (qspi->cur_seqid == QSPI_CMD_RDSR)
qspi_op_rdsr(qspi, din);
}
generated by cgit v1.1 at 2024-12-20 01:37:33 +0000