QuadSPI: use QSPI_CMD_xx instead of flash opcodes
authorPeng Fan <Peng.Fan@freescale.com>
Wed, 31 Dec 2014 03:01:36 +0000 (11:01 +0800)
committerJagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
Wed, 31 Dec 2014 09:22:32 +0000 (14:52 +0530)
Use QSPI_CMD_xx instead of flash opcodes

Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
drivers/spi/fsl_qspi.c

index ba20bef..61490c9 100644 (file)
 #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);
        }