Remove freescale qspi driver which was based on spi-nor along with fsl_qspi.h as this is not used by new driver anymore
Signed-off-by: Kuldeep Singh kuldeep.singh@nxp.com --- drivers/spi/fsl_qspi.c | 1170 ---------------------------------------- drivers/spi/fsl_qspi.h | 145 ----- 2 files changed, 1315 deletions(-) delete mode 100644 drivers/spi/fsl_qspi.c delete mode 100644 drivers/spi/fsl_qspi.h
diff --git a/drivers/spi/fsl_qspi.c b/drivers/spi/fsl_qspi.c deleted file mode 100644 index 8e2a09df36..0000000000 --- a/drivers/spi/fsl_qspi.c +++ /dev/null @@ -1,1170 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Copyright 2013-2015 Freescale Semiconductor, Inc. - * - * Freescale Quad Serial Peripheral Interface (QSPI) driver - */ - -#include <common.h> -#include <malloc.h> -#include <spi.h> -#include <asm/io.h> -#include <linux/sizes.h> -#include <linux/iopoll.h> -#include <dm.h> -#include <errno.h> -#include <watchdog.h> -#include <wait_bit.h> -#include "fsl_qspi.h" - -DECLARE_GLOBAL_DATA_PTR; - -#define OFFSET_BITS_MASK GENMASK(23, 0) - -#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 -#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 -#define SEQID_WRAR 13 -#define SEQID_RDAR 14 - -/* 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_BE_4K 0x20 /* 4K erase */ -#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 */ - -/* 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 */ - -/* Used for Spansion S25FS-S family flash only. */ -#define QSPI_CMD_RDAR 0x65 /* Read any device register */ -#define QSPI_CMD_WRAR 0x71 /* Write any device register */ - -/* 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) */ - -/* fsl_qspi_platdata flags */ -#define QSPI_FLAG_REGMAP_ENDIAN_BIG BIT(0) - -/* default SCK frequency, unit: HZ */ -#define FSL_QSPI_DEFAULT_SCK_FREQ 50000000 - -/* QSPI max chipselect signals number */ -#define FSL_QSPI_MAX_CHIPSELECT_NUM 4 - -/* Controller needs driver to swap endian */ -#define QUADSPI_QUIRK_SWAP_ENDIAN BIT(0) - -enum fsl_qspi_devtype { - FSL_QUADSPI_VYBRID, - FSL_QUADSPI_IMX6SX, - FSL_QUADSPI_IMX6UL_7D, - FSL_QUADSPI_IMX7ULP, -}; - -struct fsl_qspi_devtype_data { - enum fsl_qspi_devtype devtype; - u32 rxfifo; - u32 txfifo; - u32 ahb_buf_size; - u32 driver_data; -}; - -/** - * struct fsl_qspi_platdata - platform data for Freescale QSPI - * - * @flags: Flags for QSPI QSPI_FLAG_... - * @speed_hz: Default SCK frequency - * @reg_base: Base address of QSPI registers - * @amba_base: Base address of QSPI memory mapping - * @amba_total_size: size of QSPI memory mapping - * @flash_num: Number of active slave devices - * @num_chipselect: Number of QSPI chipselect signals - */ -struct fsl_qspi_platdata { - u32 flags; - u32 speed_hz; - fdt_addr_t reg_base; - fdt_addr_t amba_base; - fdt_size_t amba_total_size; - u32 flash_num; - u32 num_chipselect; -}; - -/** - * struct fsl_qspi_priv - private data for Freescale QSPI - * - * @flags: Flags for QSPI QSPI_FLAG_... - * @bus_clk: QSPI input clk frequency - * @speed_hz: Default SCK frequency - * @cur_seqid: current LUT table sequence id - * @sf_addr: flash access offset - * @amba_base: Base address of QSPI memory mapping of every CS - * @amba_total_size: size of QSPI memory mapping - * @cur_amba_base: Base address of QSPI memory mapping of current CS - * @flash_num: Number of active slave devices - * @num_chipselect: Number of QSPI chipselect signals - * @regs: Point to QSPI register structure for I/O access - */ -struct fsl_qspi_priv { - u32 flags; - u32 bus_clk; - u32 speed_hz; - u32 cur_seqid; - u32 sf_addr; - u32 amba_base[FSL_QSPI_MAX_CHIPSELECT_NUM]; - u32 amba_total_size; - u32 cur_amba_base; - u32 flash_num; - u32 num_chipselect; - struct fsl_qspi_regs *regs; - struct fsl_qspi_devtype_data *devtype_data; -}; - -static const struct fsl_qspi_devtype_data vybrid_data = { - .devtype = FSL_QUADSPI_VYBRID, - .rxfifo = 128, - .txfifo = 64, - .ahb_buf_size = 1024, - .driver_data = QUADSPI_QUIRK_SWAP_ENDIAN, -}; - -static const struct fsl_qspi_devtype_data imx6sx_data = { - .devtype = FSL_QUADSPI_IMX6SX, - .rxfifo = 128, - .txfifo = 512, - .ahb_buf_size = 1024, - .driver_data = 0, -}; - -static const struct fsl_qspi_devtype_data imx6ul_7d_data = { - .devtype = FSL_QUADSPI_IMX6UL_7D, - .rxfifo = 128, - .txfifo = 512, - .ahb_buf_size = 1024, - .driver_data = 0, -}; - -static const struct fsl_qspi_devtype_data imx7ulp_data = { - .devtype = FSL_QUADSPI_IMX7ULP, - .rxfifo = 64, - .txfifo = 64, - .ahb_buf_size = 128, - .driver_data = 0, -}; - -static u32 qspi_read32(u32 flags, u32 *addr) -{ - return flags & QSPI_FLAG_REGMAP_ENDIAN_BIG ? - in_be32(addr) : in_le32(addr); -} - -static void qspi_write32(u32 flags, u32 *addr, u32 val) -{ - flags & QSPI_FLAG_REGMAP_ENDIAN_BIG ? - out_be32(addr, val) : out_le32(addr, val); -} - -static inline int is_controller_busy(const struct fsl_qspi_priv *priv) -{ - u32 val; - u32 mask = QSPI_SR_BUSY_MASK | QSPI_SR_AHB_ACC_MASK | - QSPI_SR_IP_ACC_MASK; - - if (priv->flags & QSPI_FLAG_REGMAP_ENDIAN_BIG) - mask = (u32)cpu_to_be32(mask); - - return readl_poll_timeout(&priv->regs->sr, val, !(val & mask), 1000); -} - -/* QSPI support swapping the flash read/write data - * in hardware for LS102xA, but not for VF610 */ -static inline u32 qspi_endian_xchg(struct fsl_qspi_priv *priv, u32 data) -{ - if (priv->devtype_data->driver_data & QUADSPI_QUIRK_SWAP_ENDIAN) - return swab32(data); - else - return data; -} - -static void qspi_set_lut(struct fsl_qspi_priv *priv) -{ - struct fsl_qspi_regs *regs = priv->regs; - u32 lut_base; - - /* Unlock the LUT */ - qspi_write32(priv->flags, ®s->lutkey, LUT_KEY_VALUE); - qspi_write32(priv->flags, ®s->lckcr, QSPI_LCKCR_UNLOCK); - - /* Write Enable */ - lut_base = SEQID_WREN * 4; - qspi_write32(priv->flags, ®s->lut[lut_base], OPRND0(QSPI_CMD_WREN) | - PAD0(LUT_PAD1) | INSTR0(LUT_CMD)); - qspi_write32(priv->flags, ®s->lut[lut_base + 1], 0); - qspi_write32(priv->flags, ®s->lut[lut_base + 2], 0); - qspi_write32(priv->flags, ®s->lut[lut_base + 3], 0); - - /* Fast Read */ - lut_base = SEQID_FAST_READ * 4; -#ifdef CONFIG_SPI_FLASH_BAR - qspi_write32(priv->flags, ®s->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(priv->flags, ®s->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(priv->flags, ®s->lut[lut_base], - OPRND0(QSPI_CMD_FAST_READ_4B) | - PAD0(LUT_PAD1) | INSTR0(LUT_CMD) | - OPRND1(ADDR32BIT) | PAD1(LUT_PAD1) | - INSTR1(LUT_ADDR)); -#endif - qspi_write32(priv->flags, ®s->lut[lut_base + 1], - OPRND0(8) | PAD0(LUT_PAD1) | INSTR0(LUT_DUMMY) | - OPRND1(priv->devtype_data->rxfifo) | PAD1(LUT_PAD1) | - INSTR1(LUT_READ)); - qspi_write32(priv->flags, ®s->lut[lut_base + 2], 0); - qspi_write32(priv->flags, ®s->lut[lut_base + 3], 0); - - /* Read Status */ - lut_base = SEQID_RDSR * 4; - qspi_write32(priv->flags, ®s->lut[lut_base], OPRND0(QSPI_CMD_RDSR) | - PAD0(LUT_PAD1) | INSTR0(LUT_CMD) | OPRND1(1) | - PAD1(LUT_PAD1) | INSTR1(LUT_READ)); - qspi_write32(priv->flags, ®s->lut[lut_base + 1], 0); - qspi_write32(priv->flags, ®s->lut[lut_base + 2], 0); - qspi_write32(priv->flags, ®s->lut[lut_base + 3], 0); - - /* Erase a sector */ - lut_base = SEQID_SE * 4; -#ifdef CONFIG_SPI_FLASH_BAR - qspi_write32(priv->flags, ®s->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(priv->flags, ®s->lut[lut_base], - OPRND0(QSPI_CMD_SE) | PAD0(LUT_PAD1) | - INSTR0(LUT_CMD) | OPRND1(ADDR24BIT) | - PAD1(LUT_PAD1) | INSTR1(LUT_ADDR)); - else - qspi_write32(priv->flags, ®s->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(priv->flags, ®s->lut[lut_base + 1], 0); - qspi_write32(priv->flags, ®s->lut[lut_base + 2], 0); - qspi_write32(priv->flags, ®s->lut[lut_base + 3], 0); - - /* Erase the whole chip */ - lut_base = SEQID_CHIP_ERASE * 4; - qspi_write32(priv->flags, ®s->lut[lut_base], - OPRND0(QSPI_CMD_CHIP_ERASE) | - PAD0(LUT_PAD1) | INSTR0(LUT_CMD)); - qspi_write32(priv->flags, ®s->lut[lut_base + 1], 0); - qspi_write32(priv->flags, ®s->lut[lut_base + 2], 0); - qspi_write32(priv->flags, ®s->lut[lut_base + 3], 0); - - /* Page Program */ - lut_base = SEQID_PP * 4; -#ifdef CONFIG_SPI_FLASH_BAR - qspi_write32(priv->flags, ®s->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(priv->flags, ®s->lut[lut_base], - OPRND0(QSPI_CMD_PP) | PAD0(LUT_PAD1) | - INSTR0(LUT_CMD) | OPRND1(ADDR24BIT) | - PAD1(LUT_PAD1) | INSTR1(LUT_ADDR)); - else - qspi_write32(priv->flags, ®s->lut[lut_base], - OPRND0(QSPI_CMD_PP_4B) | PAD0(LUT_PAD1) | - INSTR0(LUT_CMD) | OPRND1(ADDR32BIT) | - PAD1(LUT_PAD1) | INSTR1(LUT_ADDR)); -#endif - /* Use IDATSZ in IPCR to determine the size and here set 0. */ - qspi_write32(priv->flags, ®s->lut[lut_base + 1], OPRND0(0) | - PAD0(LUT_PAD1) | INSTR0(LUT_WRITE)); - qspi_write32(priv->flags, ®s->lut[lut_base + 2], 0); - qspi_write32(priv->flags, ®s->lut[lut_base + 3], 0); - - /* READ ID */ - lut_base = SEQID_RDID * 4; - qspi_write32(priv->flags, ®s->lut[lut_base], OPRND0(QSPI_CMD_RDID) | - PAD0(LUT_PAD1) | INSTR0(LUT_CMD) | OPRND1(8) | - PAD1(LUT_PAD1) | INSTR1(LUT_READ)); - qspi_write32(priv->flags, ®s->lut[lut_base + 1], 0); - qspi_write32(priv->flags, ®s->lut[lut_base + 2], 0); - qspi_write32(priv->flags, ®s->lut[lut_base + 3], 0); - - /* SUB SECTOR 4K ERASE */ - lut_base = SEQID_BE_4K * 4; - qspi_write32(priv->flags, ®s->lut[lut_base], OPRND0(QSPI_CMD_BE_4K) | - 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(priv->flags, ®s->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(priv->flags, ®s->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(priv->flags, ®s->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(priv->flags, ®s->lut[lut_base], OPRND0(QSPI_CMD_WREAR) | - PAD0(LUT_PAD1) | INSTR0(LUT_CMD) | OPRND1(1) | - PAD1(LUT_PAD1) | INSTR1(LUT_WRITE)); -#endif - - /* - * Read any device register. - * Used for Spansion S25FS-S family flash only. - */ - lut_base = SEQID_RDAR * 4; - qspi_write32(priv->flags, ®s->lut[lut_base], - OPRND0(QSPI_CMD_RDAR) | PAD0(LUT_PAD1) | - INSTR0(LUT_CMD) | OPRND1(ADDR24BIT) | - PAD1(LUT_PAD1) | INSTR1(LUT_ADDR)); - qspi_write32(priv->flags, ®s->lut[lut_base + 1], - OPRND0(8) | PAD0(LUT_PAD1) | INSTR0(LUT_DUMMY) | - OPRND1(1) | PAD1(LUT_PAD1) | - INSTR1(LUT_READ)); - - /* - * Write any device register. - * Used for Spansion S25FS-S family flash only. - */ - lut_base = SEQID_WRAR * 4; - qspi_write32(priv->flags, ®s->lut[lut_base], - OPRND0(QSPI_CMD_WRAR) | PAD0(LUT_PAD1) | - INSTR0(LUT_CMD) | OPRND1(ADDR24BIT) | - PAD1(LUT_PAD1) | INSTR1(LUT_ADDR)); - qspi_write32(priv->flags, ®s->lut[lut_base + 1], - OPRND0(1) | PAD0(LUT_PAD1) | INSTR0(LUT_WRITE)); - - /* Lock the LUT */ - qspi_write32(priv->flags, ®s->lutkey, LUT_KEY_VALUE); - qspi_write32(priv->flags, ®s->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_priv *priv) -{ - struct fsl_qspi_regs *regs = priv->regs; - u32 reg; - - reg = qspi_read32(priv->flags, ®s->mcr); - reg |= QSPI_MCR_SWRSTHD_MASK | QSPI_MCR_SWRSTSD_MASK; - qspi_write32(priv->flags, ®s->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(priv->flags, ®s->mcr, reg); -} - -/* Read out the data from the AHB buffer. */ -static inline void qspi_ahb_read(struct fsl_qspi_priv *priv, u8 *rxbuf, int len) -{ - struct fsl_qspi_regs *regs = priv->regs; - u32 mcr_reg; - void *rx_addr; - - mcr_reg = qspi_read32(priv->flags, ®s->mcr); - - qspi_write32(priv->flags, ®s->mcr, - QSPI_MCR_CLR_RXF_MASK | QSPI_MCR_CLR_TXF_MASK | - mcr_reg); - - rx_addr = (void *)(uintptr_t)(priv->cur_amba_base + priv->sf_addr); - /* Read out the data directly from the AHB buffer. */ - memcpy(rxbuf, rx_addr, len); - - qspi_write32(priv->flags, ®s->mcr, mcr_reg); -} - -static void qspi_enable_ddr_mode(struct fsl_qspi_priv *priv) -{ - u32 reg, reg2; - struct fsl_qspi_regs *regs = priv->regs; - - reg = qspi_read32(priv->flags, ®s->mcr); - /* Disable the module */ - qspi_write32(priv->flags, ®s->mcr, reg | QSPI_MCR_MDIS_MASK); - - /* Set the Sampling Register for DDR */ - reg2 = qspi_read32(priv->flags, ®s->smpr); - reg2 &= ~QSPI_SMPR_DDRSMP_MASK; - reg2 |= (2 << QSPI_SMPR_DDRSMP_SHIFT); - qspi_write32(priv->flags, ®s->smpr, reg2); - - /* Enable the module again (enable the DDR too) */ - reg |= QSPI_MCR_DDR_EN_MASK; - /* Enable bit 29 for imx6sx */ - reg |= BIT(29); - qspi_write32(priv->flags, ®s->mcr, reg); - - /* Enable the TDH to 1 for some platforms like imx6ul, imx7d, etc - * These two bits are reserved on other platforms - */ - reg = qspi_read32(priv->flags, ®s->flshcr); - reg &= ~(BIT(17)); - reg |= BIT(16); - qspi_write32(priv->flags, ®s->flshcr, 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_priv *priv) -{ - struct fsl_qspi_regs *regs = priv->regs; - - /* AHB configuration for access buffer 0/1/2 .*/ - qspi_write32(priv->flags, ®s->buf0cr, QSPI_BUFXCR_INVALID_MSTRID); - qspi_write32(priv->flags, ®s->buf1cr, QSPI_BUFXCR_INVALID_MSTRID); - qspi_write32(priv->flags, ®s->buf2cr, QSPI_BUFXCR_INVALID_MSTRID); - qspi_write32(priv->flags, ®s->buf3cr, QSPI_BUF3CR_ALLMST_MASK | - ((priv->devtype_data->ahb_buf_size >> 3) << QSPI_BUF3CR_ADATSZ_SHIFT)); - - /* We only use the buffer3 */ - qspi_write32(priv->flags, ®s->buf0ind, 0); - qspi_write32(priv->flags, ®s->buf1ind, 0); - qspi_write32(priv->flags, ®s->buf2ind, 0); - - /* - * Set the default lut sequence for AHB Read. - * Parallel mode is disabled. - */ - qspi_write32(priv->flags, ®s->bfgencr, - SEQID_FAST_READ << QSPI_BFGENCR_SEQID_SHIFT); - - /*Enable DDR Mode*/ - qspi_enable_ddr_mode(priv); -} -#endif - -#ifdef CONFIG_SPI_FLASH_BAR -/* Bank register read/write, EAR register read/write */ -static void qspi_op_rdbank(struct fsl_qspi_priv *priv, u8 *rxbuf, u32 len) -{ - struct fsl_qspi_regs *regs = priv->regs; - u32 reg, mcr_reg, data, seqid; - - mcr_reg = qspi_read32(priv->flags, ®s->mcr); - qspi_write32(priv->flags, ®s->mcr, - QSPI_MCR_CLR_RXF_MASK | QSPI_MCR_CLR_TXF_MASK | - mcr_reg); - qspi_write32(priv->flags, ®s->rbct, QSPI_RBCT_RXBRD_USEIPS); - - qspi_write32(priv->flags, ®s->sfar, priv->cur_amba_base); - - if (priv->cur_seqid == QSPI_CMD_BRRD) - seqid = SEQID_BRRD; - else - seqid = SEQID_RDEAR; - - qspi_write32(priv->flags, ®s->ipcr, - (seqid << QSPI_IPCR_SEQID_SHIFT) | len); - - /* Wait previous command complete */ - while (qspi_read32(priv->flags, ®s->sr) & QSPI_SR_BUSY_MASK) - ; - - while (1) { - WATCHDOG_RESET(); - - reg = qspi_read32(priv->flags, ®s->rbsr); - if (reg & QSPI_RBSR_RDBFL_MASK) { - data = qspi_read32(priv->flags, ®s->rbdr[0]); - data = qspi_endian_xchg(priv, data); - memcpy(rxbuf, &data, len); - qspi_write32(priv->flags, ®s->mcr, - qspi_read32(priv->flags, ®s->mcr) | - QSPI_MCR_CLR_RXF_MASK); - break; - } - } - - qspi_write32(priv->flags, ®s->mcr, mcr_reg); -} -#endif - -static void qspi_op_rdid(struct fsl_qspi_priv *priv, u32 *rxbuf, u32 len) -{ - struct fsl_qspi_regs *regs = priv->regs; - u32 mcr_reg, rbsr_reg, data, size; - int i; - - mcr_reg = qspi_read32(priv->flags, ®s->mcr); - qspi_write32(priv->flags, ®s->mcr, - QSPI_MCR_CLR_RXF_MASK | QSPI_MCR_CLR_TXF_MASK | - mcr_reg); - qspi_write32(priv->flags, ®s->rbct, QSPI_RBCT_RXBRD_USEIPS); - - qspi_write32(priv->flags, ®s->sfar, priv->cur_amba_base); - - qspi_write32(priv->flags, ®s->ipcr, - (SEQID_RDID << QSPI_IPCR_SEQID_SHIFT) | 0); - while (qspi_read32(priv->flags, ®s->sr) & QSPI_SR_BUSY_MASK) - ; - - i = 0; - while ((priv->devtype_data->rxfifo >= len) && (len > 0)) { - WATCHDOG_RESET(); - - rbsr_reg = qspi_read32(priv->flags, ®s->rbsr); - if (rbsr_reg & QSPI_RBSR_RDBFL_MASK) { - data = qspi_read32(priv->flags, ®s->rbdr[i]); - data = qspi_endian_xchg(priv, data); - size = (len < 4) ? len : 4; - memcpy(rxbuf, &data, size); - len -= size; - rxbuf++; - i++; - } - } - - qspi_write32(priv->flags, ®s->mcr, mcr_reg); -} - -/* If not use AHB read, read data from ip interface */ -static void qspi_op_read(struct fsl_qspi_priv *priv, u32 *rxbuf, u32 len) -{ - struct fsl_qspi_regs *regs = priv->regs; - u32 mcr_reg, data; - int i, size; - u32 to_or_from; - u32 seqid; - - if (priv->cur_seqid == QSPI_CMD_RDAR) - seqid = SEQID_RDAR; - else - seqid = SEQID_FAST_READ; - - mcr_reg = qspi_read32(priv->flags, ®s->mcr); - qspi_write32(priv->flags, ®s->mcr, - QSPI_MCR_CLR_RXF_MASK | QSPI_MCR_CLR_TXF_MASK | - mcr_reg); - qspi_write32(priv->flags, ®s->rbct, QSPI_RBCT_RXBRD_USEIPS); - - to_or_from = priv->sf_addr + priv->cur_amba_base; - - while (len > 0) { - WATCHDOG_RESET(); - - qspi_write32(priv->flags, ®s->sfar, to_or_from); - - size = (len > priv->devtype_data->rxfifo) ? - priv->devtype_data->rxfifo : len; - - qspi_write32(priv->flags, ®s->ipcr, - (seqid << QSPI_IPCR_SEQID_SHIFT) | - size); - while (qspi_read32(priv->flags, ®s->sr) & QSPI_SR_BUSY_MASK) - ; - - to_or_from += size; - len -= size; - - i = 0; - while ((priv->devtype_data->rxfifo >= size) && (size > 0)) { - data = qspi_read32(priv->flags, ®s->rbdr[i]); - data = qspi_endian_xchg(priv, data); - if (size < 4) - memcpy(rxbuf, &data, size); - else - memcpy(rxbuf, &data, 4); - rxbuf++; - size -= 4; - i++; - } - qspi_write32(priv->flags, ®s->mcr, - qspi_read32(priv->flags, ®s->mcr) | - QSPI_MCR_CLR_RXF_MASK); - } - - qspi_write32(priv->flags, ®s->mcr, mcr_reg); -} - -static void qspi_op_write(struct fsl_qspi_priv *priv, u8 *txbuf, u32 len) -{ - struct fsl_qspi_regs *regs = priv->regs; - u32 mcr_reg, data, reg, status_reg, seqid; - int i, size, tx_size; - u32 to_or_from = 0; - - mcr_reg = qspi_read32(priv->flags, ®s->mcr); - qspi_write32(priv->flags, ®s->mcr, - QSPI_MCR_CLR_RXF_MASK | QSPI_MCR_CLR_TXF_MASK | - mcr_reg); - qspi_write32(priv->flags, ®s->rbct, QSPI_RBCT_RXBRD_USEIPS); - - status_reg = 0; - while ((status_reg & FLASH_STATUS_WEL) != FLASH_STATUS_WEL) { - WATCHDOG_RESET(); - - qspi_write32(priv->flags, ®s->ipcr, - (SEQID_WREN << QSPI_IPCR_SEQID_SHIFT) | 0); - while (qspi_read32(priv->flags, ®s->sr) & QSPI_SR_BUSY_MASK) - ; - - qspi_write32(priv->flags, ®s->ipcr, - (SEQID_RDSR << QSPI_IPCR_SEQID_SHIFT) | 1); - while (qspi_read32(priv->flags, ®s->sr) & QSPI_SR_BUSY_MASK) - ; - - reg = qspi_read32(priv->flags, ®s->rbsr); - if (reg & QSPI_RBSR_RDBFL_MASK) { - status_reg = qspi_read32(priv->flags, ®s->rbdr[0]); - status_reg = qspi_endian_xchg(priv, status_reg); - } - qspi_write32(priv->flags, ®s->mcr, - qspi_read32(priv->flags, ®s->mcr) | - QSPI_MCR_CLR_RXF_MASK); - } - - /* Default is page programming */ - seqid = SEQID_PP; - if (priv->cur_seqid == QSPI_CMD_WRAR) - seqid = SEQID_WRAR; -#ifdef CONFIG_SPI_FLASH_BAR - if (priv->cur_seqid == QSPI_CMD_BRWR) - seqid = SEQID_BRWR; - else if (priv->cur_seqid == QSPI_CMD_WREAR) - seqid = SEQID_WREAR; -#endif - - to_or_from = priv->sf_addr + priv->cur_amba_base; - - qspi_write32(priv->flags, ®s->sfar, to_or_from); - - tx_size = (len > priv->devtype_data->txfifo) ? - priv->devtype_data->txfifo : len; - - size = tx_size / 16; - /* - * There must be atleast 128bit data - * available in TX FIFO for any pop operation - */ - if (tx_size % 16) - size++; - for (i = 0; i < size * 4; i++) { - memcpy(&data, txbuf, 4); - data = qspi_endian_xchg(priv, data); - qspi_write32(priv->flags, ®s->tbdr, data); - txbuf += 4; - } - - qspi_write32(priv->flags, ®s->ipcr, - (seqid << QSPI_IPCR_SEQID_SHIFT) | tx_size); - while (qspi_read32(priv->flags, ®s->sr) & QSPI_SR_BUSY_MASK) - ; - - qspi_write32(priv->flags, ®s->mcr, mcr_reg); -} - -static void qspi_op_rdsr(struct fsl_qspi_priv *priv, void *rxbuf, u32 len) -{ - struct fsl_qspi_regs *regs = priv->regs; - u32 mcr_reg, reg, data; - - mcr_reg = qspi_read32(priv->flags, ®s->mcr); - qspi_write32(priv->flags, ®s->mcr, - QSPI_MCR_CLR_RXF_MASK | QSPI_MCR_CLR_TXF_MASK | - mcr_reg); - qspi_write32(priv->flags, ®s->rbct, QSPI_RBCT_RXBRD_USEIPS); - - qspi_write32(priv->flags, ®s->sfar, priv->cur_amba_base); - - qspi_write32(priv->flags, ®s->ipcr, - (SEQID_RDSR << QSPI_IPCR_SEQID_SHIFT) | 0); - while (qspi_read32(priv->flags, ®s->sr) & QSPI_SR_BUSY_MASK) - ; - - while (1) { - WATCHDOG_RESET(); - - reg = qspi_read32(priv->flags, ®s->rbsr); - if (reg & QSPI_RBSR_RDBFL_MASK) { - data = qspi_read32(priv->flags, ®s->rbdr[0]); - data = qspi_endian_xchg(priv, data); - memcpy(rxbuf, &data, len); - qspi_write32(priv->flags, ®s->mcr, - qspi_read32(priv->flags, ®s->mcr) | - QSPI_MCR_CLR_RXF_MASK); - break; - } - } - - qspi_write32(priv->flags, ®s->mcr, mcr_reg); -} - -static void qspi_op_erase(struct fsl_qspi_priv *priv) -{ - struct fsl_qspi_regs *regs = priv->regs; - u32 mcr_reg; - u32 to_or_from = 0; - - mcr_reg = qspi_read32(priv->flags, ®s->mcr); - qspi_write32(priv->flags, ®s->mcr, - QSPI_MCR_CLR_RXF_MASK | QSPI_MCR_CLR_TXF_MASK | - mcr_reg); - qspi_write32(priv->flags, ®s->rbct, QSPI_RBCT_RXBRD_USEIPS); - - to_or_from = priv->sf_addr + priv->cur_amba_base; - qspi_write32(priv->flags, ®s->sfar, to_or_from); - - qspi_write32(priv->flags, ®s->ipcr, - (SEQID_WREN << QSPI_IPCR_SEQID_SHIFT) | 0); - while (qspi_read32(priv->flags, ®s->sr) & QSPI_SR_BUSY_MASK) - ; - - if (priv->cur_seqid == QSPI_CMD_SE) { - qspi_write32(priv->flags, ®s->ipcr, - (SEQID_SE << QSPI_IPCR_SEQID_SHIFT) | 0); - } else if (priv->cur_seqid == QSPI_CMD_BE_4K) { - qspi_write32(priv->flags, ®s->ipcr, - (SEQID_BE_4K << QSPI_IPCR_SEQID_SHIFT) | 0); - } - while (qspi_read32(priv->flags, ®s->sr) & QSPI_SR_BUSY_MASK) - ; - - qspi_write32(priv->flags, ®s->mcr, mcr_reg); -} - -int qspi_xfer(struct fsl_qspi_priv *priv, unsigned int bitlen, - const void *dout, void *din, unsigned long flags) -{ - u32 bytes = DIV_ROUND_UP(bitlen, 8); - static u32 wr_sfaddr; - u32 txbuf; - - WATCHDOG_RESET(); - - if (dout) { - if (flags & SPI_XFER_BEGIN) { - priv->cur_seqid = *(u8 *)dout; - memcpy(&txbuf, dout, 4); - } - - if (flags == SPI_XFER_END) { - priv->sf_addr = wr_sfaddr; - qspi_op_write(priv, (u8 *)dout, bytes); - return 0; - } - - if (priv->cur_seqid == QSPI_CMD_FAST_READ || - priv->cur_seqid == QSPI_CMD_RDAR) { - priv->sf_addr = swab32(txbuf) & OFFSET_BITS_MASK; - } else if ((priv->cur_seqid == QSPI_CMD_SE) || - (priv->cur_seqid == QSPI_CMD_BE_4K)) { - priv->sf_addr = swab32(txbuf) & OFFSET_BITS_MASK; - qspi_op_erase(priv); - } else if (priv->cur_seqid == QSPI_CMD_PP || - priv->cur_seqid == QSPI_CMD_WRAR) { - wr_sfaddr = swab32(txbuf) & OFFSET_BITS_MASK; - } else if ((priv->cur_seqid == QSPI_CMD_BRWR) || - (priv->cur_seqid == QSPI_CMD_WREAR)) { -#ifdef CONFIG_SPI_FLASH_BAR - wr_sfaddr = 0; -#endif - } - } - - if (din) { - if (priv->cur_seqid == QSPI_CMD_FAST_READ) { -#ifdef CONFIG_SYS_FSL_QSPI_AHB - qspi_ahb_read(priv, din, bytes); -#else - qspi_op_read(priv, din, bytes); -#endif - } else if (priv->cur_seqid == QSPI_CMD_RDAR) { - qspi_op_read(priv, din, bytes); - } else if (priv->cur_seqid == QSPI_CMD_RDID) - qspi_op_rdid(priv, din, bytes); - else if (priv->cur_seqid == QSPI_CMD_RDSR) - qspi_op_rdsr(priv, din, bytes); -#ifdef CONFIG_SPI_FLASH_BAR - else if ((priv->cur_seqid == QSPI_CMD_BRRD) || - (priv->cur_seqid == QSPI_CMD_RDEAR)) { - priv->sf_addr = 0; - qspi_op_rdbank(priv, din, bytes); - } -#endif - } - -#ifdef CONFIG_SYS_FSL_QSPI_AHB - if ((priv->cur_seqid == QSPI_CMD_SE) || - (priv->cur_seqid == QSPI_CMD_PP) || - (priv->cur_seqid == QSPI_CMD_BE_4K) || - (priv->cur_seqid == QSPI_CMD_WREAR) || - (priv->cur_seqid == QSPI_CMD_BRWR)) - qspi_ahb_invalid(priv); -#endif - - return 0; -} - -void qspi_module_disable(struct fsl_qspi_priv *priv, u8 disable) -{ - u32 mcr_val; - - mcr_val = qspi_read32(priv->flags, &priv->regs->mcr); - if (disable) - mcr_val |= QSPI_MCR_MDIS_MASK; - else - mcr_val &= ~QSPI_MCR_MDIS_MASK; - qspi_write32(priv->flags, &priv->regs->mcr, mcr_val); -} - -void qspi_cfg_smpr(struct fsl_qspi_priv *priv, u32 clear_bits, u32 set_bits) -{ - u32 smpr_val; - - smpr_val = qspi_read32(priv->flags, &priv->regs->smpr); - smpr_val &= ~clear_bits; - smpr_val |= set_bits; - qspi_write32(priv->flags, &priv->regs->smpr, smpr_val); -} - -static int fsl_qspi_child_pre_probe(struct udevice *dev) -{ - struct spi_slave *slave = dev_get_parent_priv(dev); - struct fsl_qspi_priv *priv = dev_get_priv(dev_get_parent(dev)); - - slave->max_write_size = priv->devtype_data->txfifo; - - return 0; -} - -static int fsl_qspi_probe(struct udevice *bus) -{ - u32 amba_size_per_chip; - struct fsl_qspi_platdata *plat = dev_get_platdata(bus); - struct fsl_qspi_priv *priv = dev_get_priv(bus); - struct dm_spi_bus *dm_spi_bus; - int i, ret; - - dm_spi_bus = bus->uclass_priv; - - dm_spi_bus->max_hz = plat->speed_hz; - - priv->regs = (struct fsl_qspi_regs *)(uintptr_t)plat->reg_base; - priv->flags = plat->flags; - - priv->speed_hz = plat->speed_hz; - /* - * QSPI SFADR width is 32bits, the max dest addr is 4GB-1. - * AMBA memory zone should be located on the 0~4GB space - * even on a 64bits cpu. - */ - priv->amba_base[0] = (u32)plat->amba_base; - priv->amba_total_size = (u32)plat->amba_total_size; - priv->flash_num = plat->flash_num; - priv->num_chipselect = plat->num_chipselect; - - priv->devtype_data = (struct fsl_qspi_devtype_data *)dev_get_driver_data(bus); - if (!priv->devtype_data) { - printf("ERROR : No devtype_data found\n"); - return -ENODEV; - } - - debug("devtype=%d, txfifo=%d, rxfifo=%d, ahb=%d, data=0x%x\n", - priv->devtype_data->devtype, - priv->devtype_data->txfifo, - priv->devtype_data->rxfifo, - priv->devtype_data->ahb_buf_size, - priv->devtype_data->driver_data); - - /* make sure controller is not busy anywhere */ - ret = is_controller_busy(priv); - - if (ret) { - debug("ERROR : The controller is busy\n"); - return ret; - } - - qspi_write32(priv->flags, &priv->regs->mcr, - QSPI_MCR_RESERVED_MASK | QSPI_MCR_MDIS_MASK | - QSPI_MCR_END_CFD_LE); - - qspi_cfg_smpr(priv, ~(QSPI_SMPR_FSDLY_MASK | QSPI_SMPR_DDRSMP_MASK | - QSPI_SMPR_FSPHS_MASK | QSPI_SMPR_HSENA_MASK), 0); - - /* - * Assign AMBA memory zone for every chipselect - * QuadSPI has two channels, every channel has two chipselects. - * If the property 'num-cs' in dts is 2, the AMBA memory will be divided - * into two parts and assign to every channel. This indicate that every - * channel only has one valid chipselect. - * If the property 'num-cs' in dts is 4, the AMBA memory will be divided - * into four parts and assign to every chipselect. - * Every channel will has two valid chipselects. - */ - amba_size_per_chip = priv->amba_total_size >> - (priv->num_chipselect >> 1); - for (i = 1 ; i < priv->num_chipselect ; i++) - priv->amba_base[i] = - amba_size_per_chip + priv->amba_base[i - 1]; - - /* - * Any read access to non-implemented addresses will provide - * undefined results. - * - * In case single die flash devices, TOP_ADDR_MEMA2 and - * TOP_ADDR_MEMB2 should be initialized/programmed to - * TOP_ADDR_MEMA1 and TOP_ADDR_MEMB1 respectively - in effect, - * setting the size of these devices to 0. This would ensure - * that the complete memory map is assigned to only one flash device. - */ - qspi_write32(priv->flags, &priv->regs->sfa1ad, - priv->amba_base[0] + amba_size_per_chip); - switch (priv->num_chipselect) { - case 1: - break; - case 2: - qspi_write32(priv->flags, &priv->regs->sfa2ad, - priv->amba_base[1]); - qspi_write32(priv->flags, &priv->regs->sfb1ad, - priv->amba_base[1] + amba_size_per_chip); - qspi_write32(priv->flags, &priv->regs->sfb2ad, - priv->amba_base[1] + amba_size_per_chip); - break; - case 4: - qspi_write32(priv->flags, &priv->regs->sfa2ad, - priv->amba_base[2]); - qspi_write32(priv->flags, &priv->regs->sfb1ad, - priv->amba_base[3]); - qspi_write32(priv->flags, &priv->regs->sfb2ad, - priv->amba_base[3] + amba_size_per_chip); - break; - default: - debug("Error: Unsupported chipselect number %u!\n", - priv->num_chipselect); - qspi_module_disable(priv, 1); - return -EINVAL; - } - - qspi_set_lut(priv); - -#ifdef CONFIG_SYS_FSL_QSPI_AHB - qspi_init_ahb_read(priv); -#endif - - qspi_module_disable(priv, 0); - - return 0; -} - -static int fsl_qspi_ofdata_to_platdata(struct udevice *bus) -{ - struct fdt_resource res_regs, res_mem; - struct fsl_qspi_platdata *plat = bus->platdata; - const void *blob = gd->fdt_blob; - int node = dev_of_offset(bus); - int ret, flash_num = 0, subnode; - - if (fdtdec_get_bool(blob, node, "big-endian")) - plat->flags |= QSPI_FLAG_REGMAP_ENDIAN_BIG; - - ret = fdt_get_named_resource(blob, node, "reg", "reg-names", - "QuadSPI", &res_regs); - if (ret) { - debug("Error: can't get regs base addresses(ret = %d)!\n", ret); - return -ENOMEM; - } - ret = fdt_get_named_resource(blob, node, "reg", "reg-names", - "QuadSPI-memory", &res_mem); - if (ret) { - debug("Error: can't get AMBA base addresses(ret = %d)!\n", ret); - return -ENOMEM; - } - - /* Count flash numbers */ - fdt_for_each_subnode(subnode, blob, node) - ++flash_num; - - if (flash_num == 0) { - debug("Error: Missing flashes!\n"); - return -ENODEV; - } - - plat->speed_hz = fdtdec_get_int(blob, node, "spi-max-frequency", - FSL_QSPI_DEFAULT_SCK_FREQ); - plat->num_chipselect = fdtdec_get_int(blob, node, "num-cs", - FSL_QSPI_MAX_CHIPSELECT_NUM); - - plat->reg_base = res_regs.start; - plat->amba_base = res_mem.start; - plat->amba_total_size = res_mem.end - res_mem.start + 1; - plat->flash_num = flash_num; - - debug("%s: regs=<0x%llx> <0x%llx, 0x%llx>, max-frequency=%d, endianess=%s\n", - __func__, - (u64)plat->reg_base, - (u64)plat->amba_base, - (u64)plat->amba_total_size, - plat->speed_hz, - plat->flags & QSPI_FLAG_REGMAP_ENDIAN_BIG ? "be" : "le" - ); - - return 0; -} - -static int fsl_qspi_xfer(struct udevice *dev, unsigned int bitlen, - const void *dout, void *din, unsigned long flags) -{ - struct fsl_qspi_priv *priv; - struct udevice *bus; - - bus = dev->parent; - priv = dev_get_priv(bus); - - return qspi_xfer(priv, bitlen, dout, din, flags); -} - -static int fsl_qspi_claim_bus(struct udevice *dev) -{ - struct fsl_qspi_priv *priv; - struct udevice *bus; - struct dm_spi_slave_platdata *slave_plat = dev_get_parent_platdata(dev); - int ret; - - bus = dev->parent; - priv = dev_get_priv(bus); - - /* make sure controller is not busy anywhere */ - ret = is_controller_busy(priv); - - if (ret) { - debug("ERROR : The controller is busy\n"); - return ret; - } - - priv->cur_amba_base = priv->amba_base[slave_plat->cs]; - - qspi_module_disable(priv, 0); - - return 0; -} - -static int fsl_qspi_release_bus(struct udevice *dev) -{ - struct fsl_qspi_priv *priv; - struct udevice *bus; - - bus = dev->parent; - priv = dev_get_priv(bus); - - qspi_module_disable(priv, 1); - - return 0; -} - -static int fsl_qspi_set_speed(struct udevice *bus, uint speed) -{ - /* Nothing to do */ - return 0; -} - -static int fsl_qspi_set_mode(struct udevice *bus, uint mode) -{ - /* Nothing to do */ - return 0; -} - -static const struct dm_spi_ops fsl_qspi_ops = { - .claim_bus = fsl_qspi_claim_bus, - .release_bus = fsl_qspi_release_bus, - .xfer = fsl_qspi_xfer, - .set_speed = fsl_qspi_set_speed, - .set_mode = fsl_qspi_set_mode, -}; - -static const struct udevice_id fsl_qspi_ids[] = { - { .compatible = "fsl,vf610-qspi", .data = (ulong)&vybrid_data }, - { .compatible = "fsl,imx6sx-qspi", .data = (ulong)&imx6sx_data }, - { .compatible = "fsl,imx6ul-qspi", .data = (ulong)&imx6ul_7d_data }, - { .compatible = "fsl,imx7d-qspi", .data = (ulong)&imx6ul_7d_data }, - { .compatible = "fsl,imx7ulp-qspi", .data = (ulong)&imx7ulp_data }, - { } -}; - -U_BOOT_DRIVER(fsl_qspi) = { - .name = "fsl_qspi", - .id = UCLASS_SPI, - .of_match = fsl_qspi_ids, - .ops = &fsl_qspi_ops, - .ofdata_to_platdata = fsl_qspi_ofdata_to_platdata, - .platdata_auto_alloc_size = sizeof(struct fsl_qspi_platdata), - .priv_auto_alloc_size = sizeof(struct fsl_qspi_priv), - .probe = fsl_qspi_probe, - .child_pre_probe = fsl_qspi_child_pre_probe, -}; diff --git a/drivers/spi/fsl_qspi.h b/drivers/spi/fsl_qspi.h deleted file mode 100644 index 9e61a852b5..0000000000 --- a/drivers/spi/fsl_qspi.h +++ /dev/null @@ -1,145 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Copyright 2013-2014 Freescale Semiconductor, Inc. - * - * Register definitions for Freescale QSPI - */ - -#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_ */