613 lines
18 KiB
C
613 lines
18 KiB
C
/*
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* Copyright (c) 2022 Microchip Technology Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#define DT_DRV_COMPAT microchip_mpfs_qspi
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#include <zephyr/device.h>
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#include <zephyr/drivers/spi.h>
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#include <zephyr/drivers/spi/rtio.h>
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#include <zephyr/sys/sys_io.h>
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#include <zephyr/sys/util.h>
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#include <zephyr/logging/log.h>
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#include <zephyr/irq.h>
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LOG_MODULE_REGISTER(mss_qspi, CONFIG_SPI_LOG_LEVEL);
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#include "spi_context.h"
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/*MSS QSPI Register offsets */
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#define MSS_QSPI_REG_CONTROL (0x00)
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#define MSS_QSPI_REG_FRAMES (0x04)
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#define MSS_QSPI_REG_IEN (0x0c)
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#define MSS_QSPI_REG_STATUS (0x10)
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#define MSS_QSPI_REG_DIRECT_ACCESS (0x14)
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#define MSS_QSPI_REG_UPPER_ACCESS (0x18)
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#define MSS_QSPI_REG_RX_DATA (0x40)
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#define MSS_QSPI_REG_TX_DATA (0x44)
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#define MSS_QSPI_REG_X4_RX_DATA (0x48)
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#define MSS_QSPI_REG_X4_TX_DATA (0x4c)
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#define MSS_QSPI_REG_FRAMESUP (0x50)
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/* QSPICR bit definitions */
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#define MSS_QSPI_CONTROL_ENABLE BIT(0)
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#define MSS_QSPI_CONTROL_MASTER BIT(1)
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#define MSS_QSPI_CONTROL_XIP BIT(2)
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#define MSS_QSPI_CONTROL_XIPADDR BIT(3)
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#define MSS_QSPI_CONTROL_CLKIDLE BIT(10)
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#define MSS_QSPI_CONTROL_SAMPLE_MSK (3 << 11)
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#define MSS_QSPI_CONTROL_MODE0 BIT(13)
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#define MSS_QSPI_CONTROL_MODE_EXQUAD (0x6 << 13)
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#define MSS_QSPI_CONTROL_MODE_EXDUAL (0x2 << 13)
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#define MSS_QSPI_CONTROL_MODE12_MSK (3 << 14)
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#define MSS_QSPI_CONTROL_FLAGSX4 BIT(16)
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#define MSS_QSPI_CONTROL_CLKRATE_MSK (0xf << 24)
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#define MSS_QSPI_CONTROL_CLKRATE 24
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/* QSPIFRAMES bit definitions */
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#define MSS_QSPI_FRAMES_TOTALBYTES_MSK (0xffff << 0)
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#define MSS_QSPI_FRAMES_TOTALBYTES_MSK (0xffff << 0)
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#define MSS_QSPI_FRAMES_CMDBYTES_MSK (0x1ff << 16)
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#define MSS_QSPI_FRAMES_CMDBYTES 16
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#define MSS_QSPI_FRAMES_QSPI BIT(25)
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#define MSS_QSPI_FRAMES_IDLE_MSK (0xf << 26)
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#define MSS_QSPI_FRAMES_FLAGBYTE BIT(30)
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#define MSS_QSPI_FRAMES_FLAGWORD BIT(31)
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/* QSPIIEN bit definitions */
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#define MSS_QSPI_IEN_TXDONE BIT(0)
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#define MSS_QSPI_IEN_RXDONE BIT(1)
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#define MSS_QSPI_IEN_RXAVAILABLE BIT(2)
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#define MSS_QSPI_IEN_TXAVAILABLE BIT(3)
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#define MSS_QSPI_IEN_RXFIFOEMPTY BIT(4)
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#define MSS_QSPI_IEN_TXFIFOFULL BIT(5)
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#define MSS_QSPI_IEN_FLAGSX4 BIT(8)
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/* QSPIST bit definitions */
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#define MSS_QSPI_STATUS_TXDONE BIT(0)
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#define MSS_QSPI_STATUS_RXDONE BIT(1)
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#define MSS_QSPI_STATUS_RXAVAILABLE BIT(2)
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#define MSS_QSPI_STATUS_TXAVAILABLE BIT(3)
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#define MSS_QSPI_STATUS_RXFIFOEMPTY BIT(4)
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#define MSS_QSPI_STATUS_TXFIFOFULL BIT(5)
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#define MSS_QSPI_STATUS_READY BIT(7)
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#define MSS_QSPI_STATUS_FLAGSX4 BIT(8)
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/* QSPIDA bit definitions */
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#define MSS_QSPI_DA_EN_SSEL BIT(0)
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#define MSS_QSPI_DA_OP_SSEL BIT(1)
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#define MSS_QSPI_DA_EN_SCLK BIT(2)
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#define MSS_QSPI_DA_OP_SCLK BIT(3)
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#define MSS_QSPI_DA_EN_SDO_MSK (0xf << 4)
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#define MSS_QSPI_DA_OP_SDO_MSK (0xf << 8)
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#define MSS_QSPI_DA_OP_SDATA_MSK (0xf << 12)
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#define MSS_QSPI_DA_IP_SDI_MSK (0xf << 16)
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#define MSS_QSPI_DA_IP_SCLK BIT(21)
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#define MSS_QSPI_DA_IP_SSEL BIT(22)
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#define MSS_QSPI_DA_IDLE BIT(23)
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#define MSS_QSPI_RXDATA_MSK (0xff << 0)
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#define MSS_QSPI_TXDATA_MSK (0xff << 0)
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/* QSPIFRAMESUP bit definitions */
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#define MSS_QSPI_FRAMESUP_UP_BYTES_MSK (0xFFFF << 16)
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#define MSS_QSPI_FRAMESUP_LO_BYTES_MSK (0xFFFF << 0)
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/*
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* Private data structure for an SPI slave
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*/
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struct mss_qspi_config {
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mm_reg_t base;
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void (*irq_config_func)(const struct device *dev);
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int irq;
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uint32_t clock_freq;
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};
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/* Device run time data */
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struct mss_qspi_data {
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struct spi_context ctx;
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};
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static inline uint32_t mss_qspi_read(const struct mss_qspi_config *cfg,
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mm_reg_t offset)
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{
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return sys_read32(cfg->base + offset);
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}
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static inline void mss_qspi_write(const struct mss_qspi_config *cfg,
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uint32_t val, mm_reg_t offset)
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{
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sys_write32(val, cfg->base + offset);
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}
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static void mss_qspi_enable_ints(const struct mss_qspi_config *s)
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{
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uint32_t mask = MSS_QSPI_IEN_TXDONE |
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MSS_QSPI_IEN_RXDONE |
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MSS_QSPI_IEN_RXAVAILABLE;
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mss_qspi_write(s, mask, MSS_QSPI_REG_IEN);
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}
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static void mss_qspi_disable_ints(const struct mss_qspi_config *s)
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{
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uint32_t mask = 0;
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mss_qspi_write(s, mask, MSS_QSPI_REG_IEN);
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}
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static inline void mss_qspi_transmit_x8(const struct device *dev, uint32_t len)
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{
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const struct mss_qspi_config *s = dev->config;
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struct mss_qspi_data *data = dev->data;
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struct spi_context *ctx = &data->ctx;
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uint32_t count, skips;
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skips = mss_qspi_read(s, MSS_QSPI_REG_CONTROL);
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skips &= ~MSS_QSPI_CONTROL_FLAGSX4;
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mss_qspi_write(s, skips, MSS_QSPI_REG_CONTROL);
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for (count = 0; count < len; ++count) {
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while (mss_qspi_read(s, MSS_QSPI_REG_STATUS) & MSS_QSPI_STATUS_TXFIFOFULL) {
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;
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}
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if (spi_context_tx_buf_on(ctx)) {
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mss_qspi_write(s, ctx->tx_buf[0], MSS_QSPI_REG_TX_DATA);
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spi_context_update_tx(ctx, 1, 1);
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}
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}
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}
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static inline void mss_qspi_transmit_x32(const struct device *dev, uint32_t len)
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{
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const struct mss_qspi_config *s = dev->config;
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struct mss_qspi_data *data = dev->data;
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struct spi_context *ctx = &data->ctx;
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uint32_t count, ctrl, wdata;
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ctrl = mss_qspi_read(s, MSS_QSPI_REG_CONTROL);
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ctrl |= MSS_QSPI_CONTROL_FLAGSX4;
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mss_qspi_write(s, ctrl, MSS_QSPI_REG_CONTROL);
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for (count = 0; count < len / 4; ++count) {
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while (mss_qspi_read(s, MSS_QSPI_REG_STATUS) & MSS_QSPI_STATUS_TXFIFOFULL) {
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;
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}
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if (spi_context_tx_buf_on(ctx)) {
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wdata = UNALIGNED_GET((uint32_t *)(ctx->tx_buf));
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mss_qspi_write(s, wdata, MSS_QSPI_REG_X4_TX_DATA);
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spi_context_update_tx(ctx, 1, 4);
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}
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}
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}
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static inline void mss_qspi_receive_x32(const struct device *dev, uint32_t len)
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{
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const struct mss_qspi_config *s = dev->config;
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struct mss_qspi_data *data = dev->data;
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struct spi_context *ctx = &data->ctx;
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uint32_t count, ctrl, temp;
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ctrl = mss_qspi_read(s, MSS_QSPI_REG_CONTROL);
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ctrl |= MSS_QSPI_CONTROL_FLAGSX4;
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mss_qspi_write(s, ctrl, MSS_QSPI_REG_CONTROL);
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for (count = 0; count < len / 4; ++count) {
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while ((mss_qspi_read(s, MSS_QSPI_REG_STATUS) & MSS_QSPI_STATUS_RXFIFOEMPTY)) {
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;
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}
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if (spi_context_rx_buf_on(ctx)) {
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temp = mss_qspi_read(s, MSS_QSPI_REG_X4_RX_DATA);
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UNALIGNED_PUT(temp, (uint32_t *)ctx->rx_buf);
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spi_context_update_rx(ctx, 1, 4);
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}
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}
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}
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static inline void mss_qspi_receive_x8(const struct device *dev, uint32_t len)
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{
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const struct mss_qspi_config *s = dev->config;
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struct mss_qspi_data *data = dev->data;
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struct spi_context *ctx = &data->ctx;
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uint32_t rdata, count;
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rdata = mss_qspi_read(s, MSS_QSPI_REG_CONTROL);
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rdata &= ~MSS_QSPI_CONTROL_FLAGSX4;
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mss_qspi_write(s, rdata, MSS_QSPI_REG_CONTROL);
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for (count = 0; count < len; ++count) {
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while (mss_qspi_read(s, MSS_QSPI_REG_STATUS) & MSS_QSPI_STATUS_RXFIFOEMPTY) {
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;
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}
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if (spi_context_rx_buf_on(ctx)) {
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rdata = mss_qspi_read(s, MSS_QSPI_REG_RX_DATA);
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UNALIGNED_PUT(rdata, (uint8_t *)ctx->rx_buf);
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spi_context_update_rx(ctx, 1, 1);
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}
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}
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}
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static inline void mss_qspi_config_frames(const struct device *dev,
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uint32_t total_bytes,
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uint32_t cmd_bytes, bool x8)
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{
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const struct mss_qspi_config *s = dev->config;
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uint32_t skips;
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mss_qspi_write(s, (total_bytes & MSS_QSPI_FRAMESUP_UP_BYTES_MSK),
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MSS_QSPI_REG_FRAMESUP);
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skips = (total_bytes & MSS_QSPI_FRAMESUP_LO_BYTES_MSK);
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if (cmd_bytes) {
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skips |= ((cmd_bytes << MSS_QSPI_FRAMES_CMDBYTES) & MSS_QSPI_FRAMES_CMDBYTES_MSK);
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} else {
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skips |= ((total_bytes << MSS_QSPI_FRAMES_CMDBYTES) & MSS_QSPI_FRAMES_CMDBYTES_MSK);
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}
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if (mss_qspi_read(s, MSS_QSPI_REG_CONTROL) & MSS_QSPI_CONTROL_MODE0) {
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skips |= MSS_QSPI_FRAMES_QSPI;
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}
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skips &= ~MSS_QSPI_FRAMES_IDLE_MSK;
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if (x8) {
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skips |= MSS_QSPI_FRAMES_FLAGBYTE;
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} else {
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skips |= MSS_QSPI_FRAMES_FLAGWORD;
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}
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mss_qspi_write(s, skips, MSS_QSPI_REG_FRAMES);
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}
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static inline void mss_qspi_transmit(const struct device *dev)
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{
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const struct mss_qspi_config *s = dev->config;
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struct mss_qspi_data *data = dev->data;
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struct spi_context *ctx = &data->ctx;
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uint32_t total_byte_cnt, cmd_bytes;
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cmd_bytes = spi_context_longest_current_buf(ctx);
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total_byte_cnt = spi_context_total_tx_len(ctx);
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/*
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* As per the MSS QSPI IP spec,
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* The number of command and data bytes are controlled by the frames register
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* for each SPI sequence. This supports the SPI flash memory read and writes
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* sequences as below. so configure the cmd and total bytes accordingly.
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* ---------------------------------------------------------------------
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* TOTAL BYTES | CMD BYTES | What happens |
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* ______________________________________________________________________
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* | | |
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* 1 | 1 | The SPI core will transmit a single byte |
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* | | and receive data is discarded |
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* | | |
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* 1 | 0 | The SPI core will transmit a single byte |
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* | | and return a single byte |
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* | | |
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* 10 | 4 | The SPI core will transmit 4 command |
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* | | bytes discarding the receive data and |
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* | | transmits 6 dummy bytes returning the 6 |
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* | | received bytes and return a single byte |
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* | | |
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* 10 | 10 | The SPI core will transmit 10 command |
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* | | |
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* 10 | 0 | The SPI core will transmit 10 command |
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* | | bytes and returning 10 received bytes |
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* ______________________________________________________________________
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*/
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if (!ctx->rx_buf) {
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if (total_byte_cnt - cmd_bytes) {
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mss_qspi_config_frames(dev, total_byte_cnt, 0, false);
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mss_qspi_transmit_x8(dev, cmd_bytes);
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mss_qspi_transmit_x32(dev, (total_byte_cnt - cmd_bytes));
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} else {
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mss_qspi_config_frames(dev, total_byte_cnt, cmd_bytes, true);
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mss_qspi_transmit_x8(dev, cmd_bytes);
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}
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} else {
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mss_qspi_config_frames(dev, total_byte_cnt, cmd_bytes, true);
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mss_qspi_transmit_x8(dev, cmd_bytes);
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}
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mss_qspi_enable_ints(s);
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}
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static inline void mss_qspi_receive(const struct device *dev)
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{
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const struct mss_qspi_config *s = dev->config;
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struct mss_qspi_data *data = dev->data;
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struct spi_context *ctx = &data->ctx;
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uint32_t rd_bytes, skips, idx, rdata;
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/*
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* Point the rx buffer where the actual read data
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* will be stored
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*/
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spi_context_update_rx(ctx, 1, ctx->rx_len);
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rd_bytes = spi_context_longest_current_buf(ctx);
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if (rd_bytes) {
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if (rd_bytes >= 4) {
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mss_qspi_receive_x32(dev, rd_bytes);
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}
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skips = mss_qspi_read(s, MSS_QSPI_REG_CONTROL);
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skips &= ~MSS_QSPI_CONTROL_FLAGSX4;
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mss_qspi_write(s, skips, MSS_QSPI_REG_CONTROL);
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idx = (rd_bytes - (rd_bytes % 4u));
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for (; idx < rd_bytes; ++idx) {
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while (mss_qspi_read(s, MSS_QSPI_REG_STATUS) &
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MSS_QSPI_STATUS_RXFIFOEMPTY) {
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;
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}
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if (spi_context_rx_buf_on(ctx)) {
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rdata = mss_qspi_read(s, MSS_QSPI_REG_RX_DATA);
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UNALIGNED_PUT(rdata, (uint8_t *)ctx->rx_buf);
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spi_context_update_rx(ctx, 1, 1);
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}
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}
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}
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}
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static inline int mss_qspi_clk_gen_set(const struct mss_qspi_config *s,
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const struct spi_config *spi_cfg)
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{
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uint32_t control = mss_qspi_read(s, MSS_QSPI_REG_CONTROL);
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uint32_t idx, clkrate, val = 0, speed;
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if (spi_cfg->frequency > s->clock_freq) {
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speed = s->clock_freq / 2;
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}
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for (idx = 1; idx < 16; idx++) {
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clkrate = s->clock_freq / (2 * idx);
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if (clkrate <= spi_cfg->frequency) {
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val = idx;
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break;
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}
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}
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if (val) {
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control = mss_qspi_read(s, MSS_QSPI_REG_CONTROL);
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control &= ~MSS_QSPI_CONTROL_CLKRATE_MSK;
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control |= (val << MSS_QSPI_CONTROL_CLKRATE);
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mss_qspi_write(s, control, MSS_QSPI_REG_CONTROL);
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} else {
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return -1;
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}
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return 0;
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}
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static inline int mss_qspi_hw_mode_set(const struct mss_qspi_config *s,
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uint16_t mode)
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{
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uint32_t ctrl = mss_qspi_read(s, MSS_QSPI_REG_CONTROL);
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if ((mode & SPI_MODE_CPHA) && (mode & SPI_MODE_CPOL)) {
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/* mode 3 */
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ctrl |= MSS_QSPI_CONTROL_CLKIDLE;
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} else if (!(mode & SPI_MODE_CPHA) && !(mode & SPI_MODE_CPOL)) {
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/* mode 0 */
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ctrl &= ~MSS_QSPI_CONTROL_CLKIDLE;
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} else {
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return -1;
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}
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if ((mode & SPI_LINES_QUAD)) {
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/* Quad mode */
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ctrl &= ~(MSS_QSPI_CONTROL_MODE0);
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ctrl |= (MSS_QSPI_CONTROL_MODE_EXQUAD);
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} else if ((mode & SPI_LINES_DUAL)) {
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/* Dual mode */
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ctrl &= ~(MSS_QSPI_CONTROL_MODE0);
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ctrl |= (MSS_QSPI_CONTROL_MODE_EXDUAL);
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} else {
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/* Normal mode */
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ctrl &= ~(MSS_QSPI_CONTROL_MODE0);
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}
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mss_qspi_write(s, ctrl, MSS_QSPI_REG_CONTROL);
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return 0;
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}
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static int mss_qspi_release(const struct device *dev,
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const struct spi_config *config)
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{
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struct mss_qspi_data *data = dev->data;
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const struct mss_qspi_config *cfg = dev->config;
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uint32_t control = mss_qspi_read(cfg, MSS_QSPI_REG_CONTROL);
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mss_qspi_disable_ints(cfg);
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control &= ~MSS_QSPI_CONTROL_ENABLE;
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mss_qspi_write(cfg, control, MSS_QSPI_REG_CONTROL);
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spi_context_unlock_unconditionally(&data->ctx);
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return 0;
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}
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static void mss_qspi_interrupt(const struct device *dev)
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{
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const struct mss_qspi_config *cfg = dev->config;
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struct mss_qspi_data *data = dev->data;
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struct spi_context *ctx = &data->ctx;
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int intfield = mss_qspi_read(cfg, MSS_QSPI_REG_STATUS);
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int ienfield = mss_qspi_read(cfg, MSS_QSPI_REG_IEN);
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if ((intfield & ienfield) == 0) {
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return;
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}
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|
|
|
if (intfield & MSS_QSPI_IEN_TXDONE) {
|
|
mss_qspi_write(cfg, MSS_QSPI_IEN_TXDONE, MSS_QSPI_REG_STATUS);
|
|
}
|
|
|
|
if (intfield & MSS_QSPI_IEN_RXAVAILABLE) {
|
|
mss_qspi_write(cfg, MSS_QSPI_IEN_RXAVAILABLE, MSS_QSPI_REG_STATUS);
|
|
mss_qspi_receive(dev);
|
|
}
|
|
|
|
if ((intfield & MSS_QSPI_IEN_RXDONE)) {
|
|
mss_qspi_write(cfg, MSS_QSPI_IEN_RXDONE, MSS_QSPI_REG_STATUS);
|
|
spi_context_complete(ctx, dev, 0);
|
|
}
|
|
|
|
if (intfield & MSS_QSPI_IEN_TXAVAILABLE) {
|
|
mss_qspi_write(cfg, MSS_QSPI_IEN_TXAVAILABLE, MSS_QSPI_REG_STATUS);
|
|
}
|
|
|
|
if (intfield & MSS_QSPI_IEN_RXFIFOEMPTY) {
|
|
mss_qspi_write(cfg, MSS_QSPI_IEN_RXFIFOEMPTY, MSS_QSPI_REG_STATUS);
|
|
}
|
|
|
|
if (intfield & MSS_QSPI_IEN_TXFIFOFULL) {
|
|
mss_qspi_write(cfg, MSS_QSPI_IEN_TXFIFOFULL, MSS_QSPI_REG_STATUS);
|
|
}
|
|
}
|
|
|
|
static int mss_qspi_configure(const struct device *dev,
|
|
const struct spi_config *spi_cfg)
|
|
{
|
|
const struct mss_qspi_config *cfg = dev->config;
|
|
|
|
if (spi_cfg->operation & SPI_OP_MODE_SLAVE) {
|
|
LOG_ERR("Slave mode is not supported\n\r");
|
|
return -ENOTSUP;
|
|
}
|
|
|
|
if (spi_cfg->operation & SPI_MODE_LOOP) {
|
|
LOG_ERR("Loop back mode is not supported\n\r");
|
|
return -ENOTSUP;
|
|
}
|
|
|
|
if (spi_cfg->operation & (SPI_TRANSFER_LSB) ||
|
|
((IS_ENABLED(CONFIG_SPI_EXTENDED_MODES) &&
|
|
(spi_cfg->operation & (SPI_LINES_DUAL |
|
|
SPI_LINES_QUAD |
|
|
SPI_LINES_OCTAL))))) {
|
|
LOG_ERR("Unsupported configuration\n\r");
|
|
return -ENOTSUP;
|
|
}
|
|
|
|
if (mss_qspi_clk_gen_set(cfg, spi_cfg)) {
|
|
LOG_ERR("can't set clk divider\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mss_qspi_transceive(const struct device *dev,
|
|
const struct spi_config *spi_cfg,
|
|
const struct spi_buf_set *tx_bufs,
|
|
const struct spi_buf_set *rx_bufs,
|
|
bool async,
|
|
spi_callback_t cb,
|
|
void *userdata)
|
|
{
|
|
const struct mss_qspi_config *config = dev->config;
|
|
struct mss_qspi_data *data = dev->data;
|
|
struct spi_context *ctx = &data->ctx;
|
|
int ret = 0;
|
|
|
|
spi_context_lock(ctx, async, cb, userdata, spi_cfg);
|
|
ret = mss_qspi_configure(dev, spi_cfg);
|
|
if (ret) {
|
|
goto out;
|
|
}
|
|
|
|
mss_qspi_hw_mode_set(config, spi_cfg->operation);
|
|
spi_context_buffers_setup(ctx, tx_bufs, rx_bufs,
|
|
1);
|
|
mss_qspi_transmit(dev);
|
|
ret = spi_context_wait_for_completion(ctx);
|
|
out:
|
|
spi_context_release(ctx, ret);
|
|
mss_qspi_disable_ints(config);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int mss_qspi_transceive_blocking(const struct device *dev,
|
|
const struct spi_config *spi_cfg,
|
|
const struct spi_buf_set *tx_bufs,
|
|
const struct spi_buf_set *rx_bufs)
|
|
{
|
|
return mss_qspi_transceive(dev, spi_cfg, tx_bufs, rx_bufs, false,
|
|
NULL, NULL);
|
|
}
|
|
|
|
#ifdef CONFIG_SPI_ASYNC
|
|
static int mss_qspi_transceive_async(const struct device *dev,
|
|
const struct spi_config *spi_cfg,
|
|
const struct spi_buf_set *tx_bufs,
|
|
const struct spi_buf_set *rx_bufs,
|
|
spi_callback_t cb,
|
|
void *userdata)
|
|
{
|
|
return mss_qspi_transceive(dev, spi_cfg, tx_bufs, rx_bufs, true,
|
|
cb, userdata);
|
|
}
|
|
#endif /* CONFIG_SPI_ASYNC */
|
|
|
|
static int mss_qspi_init(const struct device *dev)
|
|
{
|
|
const struct mss_qspi_config *cfg = dev->config;
|
|
struct mss_qspi_data *data = dev->data;
|
|
unsigned int ret = 0;
|
|
uint32_t control = 0;
|
|
|
|
cfg->irq_config_func(dev);
|
|
|
|
control &= ~(MSS_QSPI_CONTROL_SAMPLE_MSK);
|
|
control &= ~(MSS_QSPI_CONTROL_MODE0);
|
|
control |= (MSS_QSPI_CONTROL_CLKRATE_MSK);
|
|
control &= ~(MSS_QSPI_CONTROL_XIP);
|
|
control |= (MSS_QSPI_CONTROL_CLKIDLE | MSS_QSPI_CONTROL_ENABLE);
|
|
mss_qspi_write(cfg, control, MSS_QSPI_REG_CONTROL);
|
|
mss_qspi_disable_ints(cfg);
|
|
spi_context_unlock_unconditionally(&data->ctx);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const struct spi_driver_api mss_qspi_driver_api = {
|
|
.transceive = mss_qspi_transceive_blocking,
|
|
#ifdef CONFIG_SPI_ASYNC
|
|
.transceive_async = mss_qspi_transceive_async,
|
|
#endif /* CONFIG_SPI_ASYNC */
|
|
#ifdef CONFIG_SPI_RTIO
|
|
.iodev_submit = spi_rtio_iodev_default_submit,
|
|
#endif
|
|
.release = mss_qspi_release,
|
|
};
|
|
|
|
#define MSS_QSPI_INIT(n) \
|
|
static void mss_qspi_config_func_##n(const struct device *dev); \
|
|
\
|
|
static const struct mss_qspi_config mss_qspi_config_##n = { \
|
|
.base = DT_INST_REG_ADDR(n), \
|
|
.irq_config_func = mss_qspi_config_func_##n, \
|
|
.clock_freq = DT_INST_PROP(n, clock_frequency), \
|
|
}; \
|
|
\
|
|
static struct mss_qspi_data mss_qspi_data_##n = { \
|
|
SPI_CONTEXT_INIT_LOCK(mss_qspi_data_##n, ctx), \
|
|
SPI_CONTEXT_INIT_SYNC(mss_qspi_data_##n, ctx), \
|
|
}; \
|
|
\
|
|
DEVICE_DT_INST_DEFINE(n, mss_qspi_init, \
|
|
NULL, \
|
|
&mss_qspi_data_##n, \
|
|
&mss_qspi_config_##n, POST_KERNEL, \
|
|
CONFIG_KERNEL_INIT_PRIORITY_DEVICE, \
|
|
&mss_qspi_driver_api); \
|
|
\
|
|
static void mss_qspi_config_func_##n(const struct device *dev) \
|
|
{ \
|
|
IRQ_CONNECT(DT_INST_IRQN(n), DT_INST_IRQ(n, priority), \
|
|
mss_qspi_interrupt, \
|
|
DEVICE_DT_INST_GET(n), 0); \
|
|
irq_enable(DT_INST_IRQN(n)); \
|
|
}
|
|
|
|
DT_INST_FOREACH_STATUS_OKAY(MSS_QSPI_INIT)
|