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arm: vf610: Add QSPI driver support

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Add Freescale QSPI driver support for VF610.

Signed-off-by: Alison Wang <Huan.Wang@freescale.com>
Signed-off-by: Chao Fu <b44548@freescale.com>
This commit is contained in:
Alison Wang 2014-05-06 09:13:01 +08:00 committed by Albert ARIBAUD
parent 5ed28948a3
commit 6b57ff6fd5
3 changed files with 610 additions and 0 deletions
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1
drivers/spi/Makefile
View File

@ -40,3 +40,4 @@ obj-$(CONFIG_TEGRA114_SPI) += tegra114_spi.o
obj-$(CONFIG_TI_QSPI) += ti_qspi.o
obj-$(CONFIG_XILINX_SPI) += xilinx_spi.o
obj-$(CONFIG_ZYNQ_SPI) += zynq_spi.o
obj-$(CONFIG_FSL_QSPI) += fsl_qspi.o

482
drivers/spi/fsl_qspi.c Normal file
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@ -0,0 +1,482 @@
/*
* Copyright 2013-2014 Freescale Semiconductor, Inc.
*
* Freescale Quad Serial Peripheral Interface (QSPI) driver
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <malloc.h>
#include <spi.h>
#include <asm/io.h>
#include <linux/sizes.h>
#include "fsl_qspi.h"
#define RX_BUFFER_SIZE 0x80
#define TX_BUFFER_SIZE 0x40
#define OFFSET_BITS_MASK 0x00ffffff
#define FLASH_STATUS_WEL 0x02
/* SEQID */
#define SEQID_WREN 1
#define SEQID_FAST_READ 2
#define SEQID_RDSR 3
#define SEQID_SE 4
#define SEQID_CHIP_ERASE 5
#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) */
#ifdef CONFIG_SYS_FSL_QSPI_LE
#define qspi_read32 in_le32
#define qspi_write32 out_le32
#elif defined(CONFIG_SYS_FSL_QSPI_BE)
#define qspi_read32 in_be32
#define qspi_write32 out_be32
#endif
static unsigned long spi_bases[] = {
QSPI0_BASE_ADDR,
};
static unsigned long amba_bases[] = {
QSPI0_AMBA_BASE,
};
struct fsl_qspi {
struct spi_slave slave;
unsigned long reg_base;
unsigned long amba_base;
u32 sf_addr;
u8 cur_seqid;
};
/* QSPI support swapping the flash read/write data
* in hardware for LS102xA, but not for VF610 */
static inline u32 qspi_endian_xchg(u32 data)
{
#ifdef CONFIG_VF610
return swab32(data);
#else
return data;
#endif
}
static inline struct fsl_qspi *to_qspi_spi(struct spi_slave *slave)
{
return container_of(slave, struct fsl_qspi, slave);
}
static void qspi_set_lut(struct fsl_qspi *qspi)
{
struct fsl_qspi_regs *regs = (struct fsl_qspi_regs *)qspi->reg_base;
u32 lut_base;
/* Unlock the LUT */
qspi_write32(&regs->lutkey, LUT_KEY_VALUE);
qspi_write32(&regs->lckcr, QSPI_LCKCR_UNLOCK);
/* Write Enable */
lut_base = SEQID_WREN * 4;
qspi_write32(&regs->lut[lut_base], OPRND0(OPCODE_WREN) |
PAD0(LUT_PAD1) | INSTR0(LUT_CMD));
qspi_write32(&regs->lut[lut_base + 1], 0);
qspi_write32(&regs->lut[lut_base + 2], 0);
qspi_write32(&regs->lut[lut_base + 3], 0);
/* 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) |
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 + 1], OPRND0(8) | PAD0(LUT_PAD1) |
INSTR0(LUT_DUMMY) | OPRND1(RX_BUFFER_SIZE) | PAD1(LUT_PAD1) |
INSTR1(LUT_READ));
qspi_write32(&regs->lut[lut_base + 2], 0);
qspi_write32(&regs->lut[lut_base + 3], 0);
/* Read Status */
lut_base = SEQID_RDSR * 4;
qspi_write32(&regs->lut[lut_base], OPRND0(OPCODE_RDSR) |
PAD0(LUT_PAD1) | INSTR0(LUT_CMD) | OPRND1(1) |
PAD1(LUT_PAD1) | INSTR1(LUT_READ));
qspi_write32(&regs->lut[lut_base + 1], 0);
qspi_write32(&regs->lut[lut_base + 2], 0);
qspi_write32(&regs->lut[lut_base + 3], 0);
/* Erase a sector */
lut_base = SEQID_SE * 4;
if (FSL_QSPI_FLASH_SIZE <= SZ_16M)
qspi_write32(&regs->lut[lut_base], OPRND0(OPCODE_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) |
PAD0(LUT_PAD1) | INSTR0(LUT_CMD) | OPRND1(ADDR32BIT) |
PAD1(LUT_PAD1) | INSTR1(LUT_ADDR));
qspi_write32(&regs->lut[lut_base + 1], 0);
qspi_write32(&regs->lut[lut_base + 2], 0);
qspi_write32(&regs->lut[lut_base + 3], 0);
/* Erase the whole chip */
lut_base = SEQID_CHIP_ERASE * 4;
qspi_write32(&regs->lut[lut_base], OPRND0(OPCODE_CHIP_ERASE) |
PAD0(LUT_PAD1) | INSTR0(LUT_CMD));
qspi_write32(&regs->lut[lut_base + 1], 0);
qspi_write32(&regs->lut[lut_base + 2], 0);
qspi_write32(&regs->lut[lut_base + 3], 0);
/* Page Program */
lut_base = SEQID_PP * 4;
if (FSL_QSPI_FLASH_SIZE <= SZ_16M)
qspi_write32(&regs->lut[lut_base], OPRND0(OPCODE_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) |
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) |
PAD0(LUT_PAD1) | INSTR0(LUT_WRITE));
qspi_write32(&regs->lut[lut_base + 2], 0);
qspi_write32(&regs->lut[lut_base + 3], 0);
/* READ ID */
lut_base = SEQID_RDID * 4;
qspi_write32(&regs->lut[lut_base], OPRND0(OPCODE_RDID) |
PAD0(LUT_PAD1) | INSTR0(LUT_CMD) | OPRND1(8) |
PAD1(LUT_PAD1) | INSTR1(LUT_READ));
qspi_write32(&regs->lut[lut_base + 1], 0);
qspi_write32(&regs->lut[lut_base + 2], 0);
qspi_write32(&regs->lut[lut_base + 3], 0);
/* Lock the LUT */
qspi_write32(&regs->lutkey, LUT_KEY_VALUE);
qspi_write32(&regs->lckcr, QSPI_LCKCR_LOCK);
}
void spi_init()
{
/* do nothing */
}
struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
unsigned int max_hz, unsigned int mode)
{
struct fsl_qspi *qspi;
struct fsl_qspi_regs *regs;
u32 reg_val, smpr_val;
u32 total_size, seq_id;
if (bus >= ARRAY_SIZE(spi_bases))
return NULL;
qspi = spi_alloc_slave(struct fsl_qspi, bus, cs);
if (!qspi)
return NULL;
qspi->reg_base = spi_bases[bus];
qspi->amba_base = amba_bases[bus];
qspi->slave.max_write_size = TX_BUFFER_SIZE;
regs = (struct fsl_qspi_regs *)qspi->reg_base;
qspi_write32(&regs->mcr, QSPI_MCR_RESERVED_MASK | QSPI_MCR_MDIS_MASK);
smpr_val = qspi_read32(&regs->smpr);
qspi_write32(&regs->smpr, smpr_val & ~(QSPI_SMPR_FSDLY_MASK |
QSPI_SMPR_FSPHS_MASK | QSPI_SMPR_HSENA_MASK));
qspi_write32(&regs->mcr, QSPI_MCR_RESERVED_MASK);
total_size = FSL_QSPI_FLASH_SIZE * FSL_QSPI_FLASH_NUM;
qspi_write32(&regs->sfa1ad, FSL_QSPI_FLASH_SIZE | qspi->amba_base);
qspi_write32(&regs->sfa2ad, FSL_QSPI_FLASH_SIZE | qspi->amba_base);
qspi_write32(&regs->sfb1ad, total_size | qspi->amba_base);
qspi_write32(&regs->sfb2ad, total_size | qspi->amba_base);
qspi_set_lut(qspi);
smpr_val = qspi_read32(&regs->smpr);
smpr_val &= ~QSPI_SMPR_DDRSMP_MASK;
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);
return &qspi->slave;
}
void spi_free_slave(struct spi_slave *slave)
{
struct fsl_qspi *qspi = to_qspi_spi(slave);
free(qspi);
}
int spi_claim_bus(struct spi_slave *slave)
{
return 0;
}
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;
u32 mcr_reg, rbsr_reg, data;
int i, size;
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);
qspi_write32(&regs->ipcr, (SEQID_RDID << QSPI_IPCR_SEQID_SHIFT) | 0);
while (qspi_read32(&regs->sr) & QSPI_SR_BUSY_MASK)
;
i = 0;
size = len;
while ((RX_BUFFER_SIZE >= size) && (size > 0)) {
rbsr_reg = qspi_read32(&regs->rbsr);
if (rbsr_reg & QSPI_RBSR_RDBFL_MASK) {
data = qspi_read32(&regs->rbdr[i]);
data = qspi_endian_xchg(data);
memcpy(rxbuf, &data, 4);
rxbuf++;
size -= 4;
i++;
}
}
qspi_write32(&regs->mcr, mcr_reg);
}
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;
u32 mcr_reg, data;
int i, size;
u32 to_or_from;
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);
to_or_from = qspi->sf_addr + qspi->amba_base;
while (len > 0) {
qspi_write32(&regs->sfar, to_or_from);
size = (len > RX_BUFFER_SIZE) ?
RX_BUFFER_SIZE : len;
qspi_write32(&regs->ipcr,
(SEQID_FAST_READ << QSPI_IPCR_SEQID_SHIFT) | size);
while (qspi_read32(&regs->sr) & QSPI_SR_BUSY_MASK)
;
to_or_from += size;
len -= size;
i = 0;
while ((RX_BUFFER_SIZE >= size) && (size > 0)) {
data = qspi_read32(&regs->rbdr[i]);
data = qspi_endian_xchg(data);
memcpy(rxbuf, &data, 4);
rxbuf++;
size -= 4;
i++;
}
qspi_write32(&regs->mcr, qspi_read32(&regs->mcr) |
QSPI_MCR_CLR_RXF_MASK);
}
qspi_write32(&regs->mcr, mcr_reg);
}
static void qspi_op_pp(struct fsl_qspi *qspi, u32 *txbuf, u32 len)
{
struct fsl_qspi_regs *regs = (struct fsl_qspi_regs *)qspi->reg_base;
u32 mcr_reg, data, reg, status_reg;
int i, size, tx_size;
u32 to_or_from = 0;
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);
status_reg = 0;
while ((status_reg & FLASH_STATUS_WEL) != FLASH_STATUS_WEL) {
qspi_write32(&regs->ipcr,
(SEQID_WREN << QSPI_IPCR_SEQID_SHIFT) | 0);
while (qspi_read32(&regs->sr) & QSPI_SR_BUSY_MASK)
;
qspi_write32(&regs->ipcr,
(SEQID_RDSR << QSPI_IPCR_SEQID_SHIFT) | 1);
while (qspi_read32(&regs->sr) & QSPI_SR_BUSY_MASK)
;
reg = qspi_read32(&regs->rbsr);
if (reg & QSPI_RBSR_RDBFL_MASK) {
status_reg = qspi_read32(&regs->rbdr[0]);
status_reg = qspi_endian_xchg(status_reg);
}
qspi_write32(&regs->mcr,
qspi_read32(&regs->mcr) | QSPI_MCR_CLR_RXF_MASK);
}
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;
for (i = 0; i < size; i++) {
data = qspi_endian_xchg(*txbuf);
qspi_write32(&regs->tbdr, data);
txbuf++;
}
qspi_write32(&regs->ipcr,
(SEQID_PP << QSPI_IPCR_SEQID_SHIFT) | tx_size);
while (qspi_read32(&regs->sr) & QSPI_SR_BUSY_MASK)
;
qspi_write32(&regs->mcr, mcr_reg);
}
static void qspi_op_rdsr(struct fsl_qspi *qspi, u32 *rxbuf)
{
struct fsl_qspi_regs *regs = (struct fsl_qspi_regs *)qspi->reg_base;
u32 mcr_reg, reg, data;
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);
qspi_write32(&regs->ipcr,
(SEQID_RDSR << QSPI_IPCR_SEQID_SHIFT) | 0);
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, 4);
qspi_write32(&regs->mcr, qspi_read32(&regs->mcr) |
QSPI_MCR_CLR_RXF_MASK);
break;
}
}
qspi_write32(&regs->mcr, mcr_reg);
}
static void qspi_op_se(struct fsl_qspi *qspi)
{
struct fsl_qspi_regs *regs = (struct fsl_qspi_regs *)qspi->reg_base;
u32 mcr_reg;
u32 to_or_from = 0;
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);
to_or_from = qspi->sf_addr + qspi->amba_base;
qspi_write32(&regs->sfar, to_or_from);
qspi_write32(&regs->ipcr,
(SEQID_WREN << QSPI_IPCR_SEQID_SHIFT) | 0);
while (qspi_read32(&regs->sr) & QSPI_SR_BUSY_MASK)
;
qspi_write32(&regs->ipcr,
(SEQID_SE << QSPI_IPCR_SEQID_SHIFT) | 0);
while (qspi_read32(&regs->sr) & QSPI_SR_BUSY_MASK)
;
qspi_write32(&regs->mcr, mcr_reg);
}
int spi_xfer(struct spi_slave *slave, unsigned int bitlen,
const void *dout, void *din, unsigned long flags)
{
struct fsl_qspi *qspi = to_qspi_spi(slave);
u32 bytes = DIV_ROUND_UP(bitlen, 8);
static u32 pp_sfaddr;
u32 txbuf;
if (dout) {
memcpy(&txbuf, dout, 4);
qspi->cur_seqid = *(u8 *)dout;
if (flags == SPI_XFER_END) {
qspi->sf_addr = pp_sfaddr;
qspi_op_pp(qspi, (u32 *)dout, bytes);
return 0;
}
if (qspi->cur_seqid == OPCODE_FAST_READ) {
qspi->sf_addr = swab32(txbuf) & OFFSET_BITS_MASK;
} else if (qspi->cur_seqid == OPCODE_SE) {
qspi->sf_addr = swab32(txbuf) & OFFSET_BITS_MASK;
qspi_op_se(qspi);
} else if (qspi->cur_seqid == OPCODE_PP) {
pp_sfaddr = swab32(txbuf) & OFFSET_BITS_MASK;
}
}
if (din) {
if (qspi->cur_seqid == OPCODE_FAST_READ)
qspi_op_read(qspi, din, bytes);
else if (qspi->cur_seqid == OPCODE_RDID)
qspi_op_rdid(qspi, din, bytes);
else if (qspi->cur_seqid == OPCODE_RDSR)
qspi_op_rdsr(qspi, din);
}
return 0;
}
void spi_release_bus(struct spi_slave *slave)
{
/* Nothing to do */
}

127
drivers/spi/fsl_qspi.h Normal file
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@ -0,0 +1,127 @@
/*
* Copyright 2013-2014 Freescale Semiconductor, Inc.
*
* Register definitions for Freescale QSPI
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _FSL_QSPI_H_
#define _FSL_QSPI_H_
struct fsl_qspi_regs {
u32 mcr;
u32 rsvd0[1];
u32 ipcr;
u32 flshcr;
u32 buf0cr;
u32 buf1cr;
u32 buf2cr;
u32 buf3cr;
u32 bfgencr;
u32 soccr;
u32 rsvd1[2];
u32 buf0ind;
u32 buf1ind;
u32 buf2ind;
u32 rsvd2[49];
u32 sfar;
u32 rsvd3[1];
u32 smpr;
u32 rbsr;
u32 rbct;
u32 rsvd4[15];
u32 tbsr;
u32 tbdr;
u32 rsvd5[1];
u32 sr;
u32 fr;
u32 rser;
u32 spndst;
u32 sptrclr;
u32 rsvd6[4];
u32 sfa1ad;
u32 sfa2ad;
u32 sfb1ad;
u32 sfb2ad;
u32 rsvd7[28];
u32 rbdr[32];
u32 rsvd8[32];
u32 lutkey;
u32 lckcr;
u32 rsvd9[2];
u32 lut[64];
};
#define QSPI_IPCR_SEQID_SHIFT 24
#define QSPI_IPCR_SEQID_MASK (0xf << QSPI_IPCR_SEQID_SHIFT)
#define QSPI_MCR_END_CFD_SHIFT 2
#define QSPI_MCR_END_CFD_MASK (3 << QSPI_MCR_END_CFD_SHIFT)
#define QSPI_MCR_END_CFD_LE (1 << QSPI_MCR_END_CFD_SHIFT)
#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
#define QSPI_MCR_CLR_RXF_MASK (1 << QSPI_MCR_CLR_RXF_SHIFT)
#define QSPI_MCR_CLR_TXF_SHIFT 11
#define QSPI_MCR_CLR_TXF_MASK (1 << QSPI_MCR_CLR_TXF_SHIFT)
#define QSPI_MCR_MDIS_SHIFT 14
#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_SMPR_HSENA_SHIFT 0
#define QSPI_SMPR_HSENA_MASK (1 << QSPI_SMPR_HSENA_SHIFT)
#define QSPI_SMPR_FSPHS_SHIFT 5
#define QSPI_SMPR_FSPHS_MASK (1 << QSPI_SMPR_FSPHS_SHIFT)
#define QSPI_SMPR_FSDLY_SHIFT 6
#define QSPI_SMPR_FSDLY_MASK (1 << QSPI_SMPR_FSDLY_SHIFT)
#define QSPI_SMPR_DDRSMP_SHIFT 16
#define QSPI_SMPR_DDRSMP_MASK (7 << QSPI_SMPR_DDRSMP_SHIFT)
#define QSPI_BFGENCR_SEQID_SHIFT 12
#define QSPI_BFGENCR_SEQID_MASK (0xf << QSPI_BFGENCR_SEQID_SHIFT)
#define QSPI_BFGENCR_PAR_EN_SHIFT 16
#define QSPI_BFGENCR_PAR_EN_MASK (1 << QSPI_BFGENCR_PAR_EN_SHIFT)
#define QSPI_RBSR_RDBFL_SHIFT 8
#define QSPI_RBSR_RDBFL_MASK (0x3f << QSPI_RBSR_RDBFL_SHIFT)
#define QSPI_RBCT_RXBRD_SHIFT 8
#define QSPI_RBCT_RXBRD_USEIPS (1 << QSPI_RBCT_RXBRD_SHIFT)
#define QSPI_SR_BUSY_SHIFT 0
#define QSPI_SR_BUSY_MASK (1 << QSPI_SR_BUSY_SHIFT)
#define QSPI_LCKCR_LOCK 0x1
#define QSPI_LCKCR_UNLOCK 0x2
#define LUT_KEY_VALUE 0x5af05af0
#define OPRND0_SHIFT 0
#define OPRND0(x) ((x) << OPRND0_SHIFT)
#define PAD0_SHIFT 8
#define PAD0(x) ((x) << PAD0_SHIFT)
#define INSTR0_SHIFT 10
#define INSTR0(x) ((x) << INSTR0_SHIFT)
#define OPRND1_SHIFT 16
#define OPRND1(x) ((x) << OPRND1_SHIFT)
#define PAD1_SHIFT 24
#define PAD1(x) ((x) << PAD1_SHIFT)
#define INSTR1_SHIFT 26
#define INSTR1(x) ((x) << INSTR1_SHIFT)
#define LUT_CMD 1
#define LUT_ADDR 2
#define LUT_DUMMY 3
#define LUT_READ 7
#define LUT_WRITE 8
#define LUT_PAD1 0
#define LUT_PAD2 1
#define LUT_PAD4 2
#define ADDR24BIT 0x18
#define ADDR32BIT 0x20
#endif /* _FSL_QSPI_H_ */