u-boot/drivers/spi/fsl_qspi.h
Suresh Gupta 1c631da459 spi: fsl_qspi: Add controller busy check before new spi operation
It is recommended to check either controller is free to take
new spi action. The IP_ACC and AHB_ACC bits indicates that
the controller is busy in IP or AHB mode respectively.
And the BUSY bit indicates that controller is currently
busy handling a transaction to an external flash device

Signed-off-by: Suresh Gupta <suresh.gupta@nxp.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
2017-09-25 12:49:56 +05:30

146 lines
3.7 KiB
C

/*
* 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)
#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
#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_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)
#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_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
#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_AHB_ACC_SHIFT 2
#define QSPI_SR_AHB_ACC_MASK (1 << QSPI_SR_AHB_ACC_SHIFT)
#define QSPI_SR_IP_ACC_SHIFT 1
#define QSPI_SR_IP_ACC_MASK (1 << QSPI_SR_IP_ACC_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_ */