867 lines
25 KiB
C
867 lines
25 KiB
C
/*
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* Copyright (c) 2024, Ambiq Micro Inc. <www.ambiq.com>
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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 mspi_atxp032
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#include <zephyr/kernel.h>
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#include <zephyr/pm/device.h>
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#include <zephyr/logging/log.h>
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#include <zephyr/sys/util.h>
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#include <zephyr/drivers/gpio.h>
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#include <zephyr/drivers/mspi.h>
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#if CONFIG_SOC_FAMILY_AMBIQ
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#include "mspi_ambiq.h"
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typedef struct mspi_ambiq_timing_cfg mspi_timing_cfg;
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typedef enum mspi_ambiq_timing_param mspi_timing_param;
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#else
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typedef struct mspi_timing_cfg mspi_timing_cfg;
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typedef enum mspi_timing_param mspi_timing_param;
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#define TIMING_CFG_GET_RX_DUMMY(cfg)
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#define TIMING_CFG_SET_RX_DUMMY(cfg, num)
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#endif
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#include <zephyr/drivers/flash.h>
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#include "spi_nor.h"
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LOG_MODULE_REGISTER(flash_mspi_atxp032, CONFIG_FLASH_LOG_LEVEL);
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#define NOR_WRITE_SIZE 1
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#define NOR_ERASE_VALUE 0xff
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#define ATXP032_VENDOR_ID 0x43
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enum atxp032_dummy_clock {
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ATXP032_DC_8,
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ATXP032_DC_10,
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ATXP032_DC_12,
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ATXP032_DC_14,
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ATXP032_DC_16,
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ATXP032_DC_18,
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ATXP032_DC_20,
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ATXP032_DC_22,
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};
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struct flash_mspi_atxp032_config {
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uint32_t port;
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uint32_t mem_size;
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struct flash_parameters flash_param;
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struct flash_pages_layout page_layout;
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const struct device *bus;
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struct mspi_dev_id dev_id;
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struct mspi_dev_cfg serial_cfg;
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struct mspi_dev_cfg tar_dev_cfg;
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struct mspi_xip_cfg tar_xip_cfg;
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struct mspi_scramble_cfg tar_scramble_cfg;
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mspi_timing_cfg tar_timing_cfg;
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mspi_timing_param timing_cfg_mask;
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bool sw_multi_periph;
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};
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struct flash_mspi_atxp032_data {
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struct mspi_dev_cfg dev_cfg;
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struct mspi_xip_cfg xip_cfg;
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struct mspi_scramble_cfg scramble_cfg;
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mspi_timing_cfg timing_cfg;
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struct mspi_xfer trans;
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struct mspi_xfer_packet packet;
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struct k_sem lock;
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uint32_t jedec_id;
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};
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static int atxp032_get_dummy_clk(uint8_t rxdummy, uint32_t *dummy_clk)
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{
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switch (rxdummy) {
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case 8:
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*dummy_clk = ATXP032_DC_8;
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break;
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case 10:
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*dummy_clk = ATXP032_DC_10;
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break;
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case 12:
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*dummy_clk = ATXP032_DC_12;
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break;
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case 14:
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*dummy_clk = ATXP032_DC_14;
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break;
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case 16:
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*dummy_clk = ATXP032_DC_16;
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break;
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case 18:
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*dummy_clk = ATXP032_DC_18;
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break;
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case 20:
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*dummy_clk = ATXP032_DC_20;
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break;
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case 22:
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*dummy_clk = ATXP032_DC_22;
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break;
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default:
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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 int flash_mspi_atxp032_command_write(const struct device *flash, uint8_t cmd, uint32_t addr,
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uint16_t addr_len, uint32_t tx_dummy, uint8_t *wdata,
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uint32_t length)
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{
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const struct flash_mspi_atxp032_config *cfg = flash->config;
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struct flash_mspi_atxp032_data *data = flash->data;
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int ret;
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data->packet.dir = MSPI_TX;
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data->packet.cmd = cmd;
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data->packet.address = addr;
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data->packet.data_buf = wdata;
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data->packet.num_bytes = length;
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data->trans.async = false;
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data->trans.xfer_mode = MSPI_PIO;
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data->trans.tx_dummy = tx_dummy;
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data->trans.cmd_length = 1;
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data->trans.addr_length = addr_len;
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data->trans.hold_ce = false;
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data->trans.packets = &data->packet;
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data->trans.num_packet = 1;
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data->trans.timeout = 10;
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ret = mspi_transceive(cfg->bus, &cfg->dev_id, (const struct mspi_xfer *)&data->trans);
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if (ret) {
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LOG_ERR("MSPI write transaction failed with code: %d/%u", ret, __LINE__);
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return -EIO;
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}
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return ret;
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}
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static int flash_mspi_atxp032_command_read(const struct device *flash, uint8_t cmd, uint32_t addr,
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uint16_t addr_len, uint32_t rx_dummy, uint8_t *rdata,
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uint32_t length)
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{
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const struct flash_mspi_atxp032_config *cfg = flash->config;
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struct flash_mspi_atxp032_data *data = flash->data;
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int ret;
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data->packet.dir = MSPI_RX;
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data->packet.cmd = cmd;
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data->packet.address = addr;
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data->packet.data_buf = rdata;
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data->packet.num_bytes = length;
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data->trans.async = false;
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data->trans.xfer_mode = MSPI_PIO;
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data->trans.rx_dummy = rx_dummy;
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data->trans.cmd_length = 1;
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data->trans.addr_length = addr_len;
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data->trans.hold_ce = false;
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data->trans.packets = &data->packet;
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data->trans.num_packet = 1;
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data->trans.timeout = 10;
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ret = mspi_transceive(cfg->bus, &cfg->dev_id, (const struct mspi_xfer *)&data->trans);
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if (ret) {
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LOG_ERR("MSPI read transaction failed with code: %d/%u", ret, __LINE__);
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return -EIO;
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}
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return ret;
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}
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static void acquire(const struct device *flash)
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{
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const struct flash_mspi_atxp032_config *cfg = flash->config;
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struct flash_mspi_atxp032_data *data = flash->data;
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k_sem_take(&data->lock, K_FOREVER);
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if (cfg->sw_multi_periph) {
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while (mspi_dev_config(cfg->bus, &cfg->dev_id,
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MSPI_DEVICE_CONFIG_ALL, &data->dev_cfg)) {
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;
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}
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} else {
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while (mspi_dev_config(cfg->bus, &cfg->dev_id,
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MSPI_DEVICE_CONFIG_NONE, NULL)) {
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;
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}
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}
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}
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static void release(const struct device *flash)
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{
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const struct flash_mspi_atxp032_config *cfg = flash->config;
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struct flash_mspi_atxp032_data *data = flash->data;
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while (mspi_get_channel_status(cfg->bus, cfg->port)) {
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;
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}
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k_sem_give(&data->lock);
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}
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static int flash_mspi_atxp032_write_enable(const struct device *flash)
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{
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int ret;
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LOG_DBG("Enabling write");
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ret = flash_mspi_atxp032_command_write(flash, SPI_NOR_CMD_WREN, 0, 0, 0, NULL, 0);
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return ret;
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}
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static int flash_mspi_atxp032_write_disable(const struct device *flash)
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{
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int ret;
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LOG_DBG("Disabling write");
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ret = flash_mspi_atxp032_command_write(flash, SPI_NOR_CMD_WRDI, 0, 0, 0, NULL, 0);
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return ret;
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}
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static int flash_mspi_atxp032_reset(const struct device *flash)
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{
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int ret;
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ret = flash_mspi_atxp032_write_enable(flash);
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if (ret) {
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return ret;
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}
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LOG_DBG("Return to SPI mode");
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ret = flash_mspi_atxp032_command_write(flash, 0xFF, 0, 0, 0, NULL, 0);
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if (ret) {
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return ret;
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}
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ret = flash_mspi_atxp032_write_disable(flash);
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if (ret) {
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return ret;
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}
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return ret;
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}
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static int flash_mspi_atxp032_get_vendor_id(const struct device *flash, uint8_t *vendor_id)
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{
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struct flash_mspi_atxp032_data *data = flash->data;
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uint8_t buffer[11];
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int ret;
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if (vendor_id == NULL) {
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return -EINVAL;
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}
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LOG_DBG("Reading id");
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/* serial mode */
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ret = flash_mspi_atxp032_command_read(flash, SPI_NOR_CMD_RDID, 0, 0, 0, buffer, 11);
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*vendor_id = buffer[7];
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data->jedec_id = (buffer[7] << 16) | (buffer[8] << 8) | buffer[9];
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return ret;
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}
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static int flash_mspi_atxp032_unprotect_sector(const struct device *flash, off_t addr)
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{
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int ret;
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LOG_DBG("unprotect sector at 0x%08zx", (ssize_t)addr);
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ret = flash_mspi_atxp032_command_write(flash, 0x39, addr, 4, 0, NULL, 0);
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return ret;
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}
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static int flash_mspi_atxp032_erase_sector(const struct device *flash, off_t addr)
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{
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int ret;
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LOG_DBG("Erasing sector at 0x%08zx", (ssize_t)addr);
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ret = flash_mspi_atxp032_command_write(flash, SPI_NOR_CMD_SE, addr, 4, 0, NULL, 0);
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return ret;
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}
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static int flash_mspi_atxp032_erase_block(const struct device *flash, off_t addr)
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{
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int ret;
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LOG_DBG("Erasing block at 0x%08zx", (ssize_t)addr);
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ret = flash_mspi_atxp032_command_write(flash, SPI_NOR_CMD_BE, addr, 4, 0, NULL, 0);
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return ret;
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}
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static int flash_mspi_atxp032_erase_chip(const struct device *flash)
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{
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int ret;
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LOG_DBG("Erasing chip");
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ret = flash_mspi_atxp032_command_write(flash, SPI_NOR_CMD_CE, 0, 0, 0, NULL, 0);
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return ret;
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}
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static int flash_mspi_atxp032_page_program(const struct device *flash, off_t offset, void *wdata,
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size_t len)
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{
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const struct flash_mspi_atxp032_config *cfg = flash->config;
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struct flash_mspi_atxp032_data *data = flash->data;
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int ret;
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data->packet.dir = MSPI_TX;
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data->packet.cmd = data->dev_cfg.write_cmd;
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data->packet.address = offset;
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data->packet.data_buf = wdata;
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data->packet.num_bytes = len;
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data->trans.async = false;
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data->trans.xfer_mode = MSPI_DMA;
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data->trans.tx_dummy = data->dev_cfg.tx_dummy;
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data->trans.cmd_length = data->dev_cfg.cmd_length;
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data->trans.addr_length = data->dev_cfg.addr_length;
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data->trans.hold_ce = false;
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data->trans.priority = 1;
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data->trans.packets = &data->packet;
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data->trans.num_packet = 1;
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data->trans.timeout = CONFIG_MSPI_COMPLETION_TIMEOUT_TOLERANCE;
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LOG_DBG("Page programming %d bytes to 0x%08zx", len, (ssize_t)offset);
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ret = mspi_transceive(cfg->bus, &cfg->dev_id, (const struct mspi_xfer *)&data->trans);
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if (ret) {
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LOG_ERR("MSPI write transaction failed with code: %d/%u", ret, __LINE__);
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return -EIO;
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}
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return ret;
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}
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static int flash_mspi_atxp032_busy_wait(const struct device *flash)
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{
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const struct flash_mspi_atxp032_config *cfg = flash->config;
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struct flash_mspi_atxp032_data *data = flash->data;
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mspi_timing_cfg bkp = data->timing_cfg;
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uint32_t status = 0;
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uint32_t rx_dummy;
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int ret;
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if (data->dev_cfg.io_mode == MSPI_IO_MODE_SINGLE) {
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rx_dummy = 0;
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} else {
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rx_dummy = 4;
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TIMING_CFG_SET_RX_DUMMY(&data->timing_cfg, 4);
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if (mspi_timing_config(cfg->bus, &cfg->dev_id, cfg->timing_cfg_mask,
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(void *)&data->timing_cfg)) {
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LOG_ERR("Failed to config mspi controller/%u", __LINE__);
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return -EIO;
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}
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}
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do {
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LOG_DBG("Reading status register");
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ret = flash_mspi_atxp032_command_read(flash, SPI_NOR_CMD_RDSR, 0, 0, rx_dummy,
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(uint8_t *)&status, 1);
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if (ret) {
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LOG_ERR("Could not read status");
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return ret;
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}
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LOG_DBG("status: 0x%x", status);
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} while (status & SPI_NOR_WIP_BIT);
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if (data->dev_cfg.io_mode != MSPI_IO_MODE_SINGLE) {
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data->timing_cfg = bkp;
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if (mspi_timing_config(cfg->bus, &cfg->dev_id, cfg->timing_cfg_mask,
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(void *)&data->timing_cfg)) {
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LOG_ERR("Failed to config mspi controller/%u", __LINE__);
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return -EIO;
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}
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}
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return ret;
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}
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static int flash_mspi_atxp032_read(const struct device *flash, off_t offset, void *rdata,
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size_t len)
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{
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const struct flash_mspi_atxp032_config *cfg = flash->config;
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struct flash_mspi_atxp032_data *data = flash->data;
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int ret;
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acquire(flash);
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data->packet.dir = MSPI_RX;
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data->packet.cmd = data->dev_cfg.read_cmd;
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data->packet.address = offset;
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data->packet.data_buf = rdata;
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data->packet.num_bytes = len;
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data->trans.async = false;
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data->trans.xfer_mode = MSPI_DMA;
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data->trans.rx_dummy = data->dev_cfg.rx_dummy;
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data->trans.cmd_length = data->dev_cfg.cmd_length;
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data->trans.addr_length = data->dev_cfg.addr_length;
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data->trans.hold_ce = false;
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data->trans.priority = 1;
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data->trans.packets = &data->packet;
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data->trans.num_packet = 1;
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data->trans.timeout = CONFIG_MSPI_COMPLETION_TIMEOUT_TOLERANCE;
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LOG_DBG("Read %d bytes from 0x%08zx", len, (ssize_t)offset);
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ret = mspi_transceive(cfg->bus, &cfg->dev_id, (const struct mspi_xfer *)&data->trans);
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if (ret) {
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LOG_ERR("MSPI read transaction failed with code: %d/%u", ret, __LINE__);
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return -EIO;
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}
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release(flash);
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return ret;
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}
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static int flash_mspi_atxp032_write(const struct device *flash, off_t offset, const void *wdata,
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size_t len)
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{
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int ret;
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uint8_t *src = (uint8_t *)wdata;
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int i;
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acquire(flash);
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while (len) {
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/* If the offset isn't a multiple of the NOR page size, we first need
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* to write the remaining part that fits, otherwise the write could
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* be wrapped around within the same page
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*/
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i = MIN(SPI_NOR_PAGE_SIZE - (offset % SPI_NOR_PAGE_SIZE), len);
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ret = flash_mspi_atxp032_write_enable(flash);
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if (ret) {
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return ret;
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}
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ret = flash_mspi_atxp032_page_program(flash, offset, src, i);
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if (ret) {
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return ret;
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}
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ret = flash_mspi_atxp032_busy_wait(flash);
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if (ret) {
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return ret;
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}
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src += i;
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offset += i;
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len -= i;
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}
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ret = flash_mspi_atxp032_write_disable(flash);
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if (ret) {
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return ret;
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}
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release(flash);
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return ret;
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}
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static int flash_mspi_atxp032_erase(const struct device *flash, off_t offset, size_t size)
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{
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const struct flash_mspi_atxp032_config *cfg = flash->config;
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int ret = 0;
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const size_t num_sectors = size / SPI_NOR_SECTOR_SIZE;
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const size_t num_blocks = size / SPI_NOR_BLOCK_SIZE;
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int i;
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acquire(flash);
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if (offset % SPI_NOR_SECTOR_SIZE) {
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LOG_ERR("Invalid offset");
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return -EINVAL;
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}
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if (size % SPI_NOR_SECTOR_SIZE) {
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LOG_ERR("Invalid size");
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return -EINVAL;
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}
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if ((offset == 0) && (size == cfg->mem_size)) {
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ret = flash_mspi_atxp032_write_enable(flash);
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if (ret) {
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return ret;
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}
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ret = flash_mspi_atxp032_erase_chip(flash);
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if (ret) {
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return ret;
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}
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ret = flash_mspi_atxp032_busy_wait(flash);
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if (ret) {
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return ret;
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}
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} else if ((0 == (offset % SPI_NOR_BLOCK_SIZE)) && (0 == (size % SPI_NOR_BLOCK_SIZE))) {
|
|
for (i = 0; i < num_blocks; i++) {
|
|
ret = flash_mspi_atxp032_write_enable(flash);
|
|
if (ret) {
|
|
return ret;
|
|
}
|
|
|
|
ret = flash_mspi_atxp032_unprotect_sector(flash, offset);
|
|
if (ret) {
|
|
return ret;
|
|
}
|
|
|
|
ret = flash_mspi_atxp032_write_enable(flash);
|
|
if (ret) {
|
|
return ret;
|
|
}
|
|
|
|
ret = flash_mspi_atxp032_erase_block(flash, offset);
|
|
if (ret) {
|
|
return ret;
|
|
}
|
|
|
|
ret = flash_mspi_atxp032_busy_wait(flash);
|
|
if (ret) {
|
|
return ret;
|
|
}
|
|
|
|
offset += SPI_NOR_BLOCK_SIZE;
|
|
}
|
|
} else {
|
|
for (i = 0; i < num_sectors; i++) {
|
|
ret = flash_mspi_atxp032_write_enable(flash);
|
|
if (ret) {
|
|
return ret;
|
|
}
|
|
|
|
ret = flash_mspi_atxp032_unprotect_sector(flash, offset);
|
|
if (ret) {
|
|
return ret;
|
|
}
|
|
|
|
ret = flash_mspi_atxp032_write_enable(flash);
|
|
if (ret) {
|
|
return ret;
|
|
}
|
|
|
|
ret = flash_mspi_atxp032_erase_sector(flash, offset);
|
|
if (ret) {
|
|
return ret;
|
|
}
|
|
|
|
ret = flash_mspi_atxp032_busy_wait(flash);
|
|
if (ret) {
|
|
return ret;
|
|
}
|
|
|
|
offset += SPI_NOR_SECTOR_SIZE;
|
|
}
|
|
}
|
|
|
|
release(flash);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const struct flash_parameters *flash_mspi_atxp032_get_parameters(const struct device *flash)
|
|
{
|
|
const struct flash_mspi_atxp032_config *cfg = flash->config;
|
|
|
|
return &cfg->flash_param;
|
|
}
|
|
|
|
#if defined(CONFIG_FLASH_PAGE_LAYOUT)
|
|
static void flash_mspi_atxp032_pages_layout(const struct device *flash,
|
|
const struct flash_pages_layout **layout,
|
|
size_t *layout_size)
|
|
{
|
|
const struct flash_mspi_atxp032_config *cfg = flash->config;
|
|
|
|
*layout = &cfg->page_layout;
|
|
*layout_size = 1;
|
|
}
|
|
#endif /* CONFIG_FLASH_PAGE_LAYOUT */
|
|
|
|
static int flash_mspi_atxp032_init(const struct device *flash)
|
|
{
|
|
const struct flash_mspi_atxp032_config *cfg = flash->config;
|
|
struct flash_mspi_atxp032_data *data = flash->data;
|
|
uint8_t vendor_id;
|
|
uint32_t CRB3;
|
|
|
|
if (!device_is_ready(cfg->bus)) {
|
|
LOG_ERR("Controller device is not ready");
|
|
return -ENODEV;
|
|
}
|
|
|
|
switch (cfg->tar_dev_cfg.io_mode) {
|
|
case MSPI_IO_MODE_SINGLE:
|
|
case MSPI_IO_MODE_QUAD:
|
|
case MSPI_IO_MODE_OCTAL:
|
|
break;
|
|
default:
|
|
LOG_ERR("bus mode %d not supported/%u", cfg->tar_dev_cfg.io_mode, __LINE__);
|
|
return -EIO;
|
|
}
|
|
|
|
if (mspi_dev_config(cfg->bus, &cfg->dev_id, MSPI_DEVICE_CONFIG_ALL, &cfg->serial_cfg)) {
|
|
LOG_ERR("Failed to config mspi controller/%u", __LINE__);
|
|
return -EIO;
|
|
}
|
|
data->dev_cfg = cfg->serial_cfg;
|
|
|
|
if (flash_mspi_atxp032_reset(flash)) {
|
|
LOG_ERR("Could not reset Flash/%u", __LINE__);
|
|
return -EIO;
|
|
}
|
|
|
|
if (flash_mspi_atxp032_get_vendor_id(flash, &vendor_id)) {
|
|
LOG_ERR("Could not read vendor id/%u", __LINE__);
|
|
return -EIO;
|
|
}
|
|
LOG_DBG("Vendor id: 0x%0x", vendor_id);
|
|
if (vendor_id != ATXP032_VENDOR_ID) {
|
|
LOG_WRN("Vendor ID does not match expected value of 0x%0x/%u", ATXP032_VENDOR_ID,
|
|
__LINE__);
|
|
}
|
|
|
|
if (atxp032_get_dummy_clk((TIMING_CFG_GET_RX_DUMMY(&cfg->tar_timing_cfg)), &CRB3)) {
|
|
return -ENOTSUP;
|
|
}
|
|
|
|
if (flash_mspi_atxp032_write_enable(flash)) {
|
|
return -EIO;
|
|
}
|
|
|
|
if (flash_mspi_atxp032_command_write(flash, 0x71, 0x3, 1, 0, (uint8_t *)&CRB3, 1)) {
|
|
return -EIO;
|
|
}
|
|
|
|
uint8_t cmd;
|
|
|
|
if (cfg->tar_dev_cfg.io_mode == MSPI_IO_MODE_QUAD) {
|
|
cmd = 0x38;
|
|
} else if (cfg->tar_dev_cfg.io_mode == MSPI_IO_MODE_OCTAL) {
|
|
cmd = 0xe8;
|
|
} else {
|
|
cmd = 0xff;
|
|
}
|
|
|
|
if (flash_mspi_atxp032_write_enable(flash)) {
|
|
return -EIO;
|
|
}
|
|
if (flash_mspi_atxp032_command_write(flash, cmd, 0, 0, 0, NULL, 0)) {
|
|
return -EIO;
|
|
}
|
|
|
|
if (mspi_dev_config(cfg->bus, &cfg->dev_id, MSPI_DEVICE_CONFIG_ALL, &cfg->tar_dev_cfg)) {
|
|
LOG_ERR("Failed to config mspi controller/%u", __LINE__);
|
|
return -EIO;
|
|
}
|
|
data->dev_cfg = cfg->tar_dev_cfg;
|
|
|
|
if (mspi_timing_config(cfg->bus, &cfg->dev_id, cfg->timing_cfg_mask,
|
|
(void *)&cfg->tar_timing_cfg)) {
|
|
LOG_ERR("Failed to config mspi timing/%u", __LINE__);
|
|
return -EIO;
|
|
}
|
|
data->timing_cfg = cfg->tar_timing_cfg;
|
|
|
|
if (cfg->tar_xip_cfg.enable) {
|
|
if (mspi_xip_config(cfg->bus, &cfg->dev_id, &cfg->tar_xip_cfg)) {
|
|
LOG_ERR("Failed to enable XIP/%u", __LINE__);
|
|
return -EIO;
|
|
}
|
|
data->xip_cfg = cfg->tar_xip_cfg;
|
|
}
|
|
|
|
if (cfg->tar_scramble_cfg.enable) {
|
|
if (mspi_scramble_config(cfg->bus, &cfg->dev_id, &cfg->tar_scramble_cfg)) {
|
|
LOG_ERR("Failed to enable scrambling/%u", __LINE__);
|
|
return -EIO;
|
|
}
|
|
data->scramble_cfg = cfg->tar_scramble_cfg;
|
|
}
|
|
|
|
release(flash);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if defined(CONFIG_FLASH_JESD216_API)
|
|
static int flash_mspi_atxp032_read_sfdp(const struct device *flash, off_t addr, void *rdata,
|
|
size_t size)
|
|
{
|
|
const struct flash_mspi_atxp032_config *cfg = flash->config;
|
|
struct flash_mspi_atxp032_data *data = flash->data;
|
|
int ret;
|
|
|
|
acquire(flash);
|
|
|
|
data->packet.dir = MSPI_RX;
|
|
data->packet.cmd = 0x5A;
|
|
data->packet.address = addr;
|
|
data->packet.data_buf = rdata;
|
|
data->packet.num_bytes = size;
|
|
|
|
data->trans.async = false;
|
|
data->trans.xfer_mode = MSPI_DMA;
|
|
data->trans.rx_dummy = 8;
|
|
data->trans.cmd_length = 1;
|
|
data->trans.addr_length = 3;
|
|
data->trans.hold_ce = false;
|
|
data->trans.priority = 1;
|
|
data->trans.packets = &data->packet;
|
|
data->trans.num_packet = 1;
|
|
data->trans.timeout = CONFIG_MSPI_COMPLETION_TIMEOUT_TOLERANCE;
|
|
|
|
LOG_DBG("Read %d bytes from 0x%08zx", size, (ssize_t)addr);
|
|
|
|
ret = mspi_transceive(cfg->bus, &cfg->dev_id, (const struct mspi_xfer *)&data->trans);
|
|
|
|
if (ret) {
|
|
LOG_ERR("MSPI read transaction failed with code: %d/%u", ret, __LINE__);
|
|
return -EIO;
|
|
}
|
|
|
|
release(flash);
|
|
return 0;
|
|
}
|
|
static int flash_mspi_atxp032_read_jedec_id(const struct device *flash, uint8_t *id)
|
|
{
|
|
struct flash_mspi_atxp032_data *data = flash->data;
|
|
|
|
id = &data->jedec_id;
|
|
return 0;
|
|
}
|
|
#endif /* CONFIG_FLASH_JESD216_API */
|
|
|
|
#if defined(CONFIG_PM_DEVICE)
|
|
static int flash_mspi_atxp032_pm_action(const struct device *flash, enum pm_device_action action)
|
|
{
|
|
switch (action) {
|
|
case PM_DEVICE_ACTION_RESUME:
|
|
acquire(flash);
|
|
|
|
release(flash);
|
|
break;
|
|
|
|
case PM_DEVICE_ACTION_SUSPEND:
|
|
acquire(flash);
|
|
|
|
release(flash);
|
|
break;
|
|
|
|
default:
|
|
return -ENOTSUP;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
#endif /** IS_ENABLED(CONFIG_PM_DEVICE) */
|
|
|
|
static const struct flash_driver_api flash_mspi_atxp032_api = {
|
|
.erase = flash_mspi_atxp032_erase,
|
|
.write = flash_mspi_atxp032_write,
|
|
.read = flash_mspi_atxp032_read,
|
|
.get_parameters = flash_mspi_atxp032_get_parameters,
|
|
#if defined(CONFIG_FLASH_PAGE_LAYOUT)
|
|
.page_layout = flash_mspi_atxp032_pages_layout,
|
|
#endif
|
|
#if defined(CONFIG_FLASH_JESD216_API)
|
|
.sfdp_read = flash_mspi_atxp032_read_sfdp,
|
|
.read_jedec_id = flash_mspi_atxp032_read_jedec_id,
|
|
#endif
|
|
};
|
|
|
|
#define MSPI_DEVICE_CONFIG_SERIAL(n) \
|
|
{ \
|
|
.ce_num = DT_INST_PROP(n, mspi_hardware_ce_num), \
|
|
.freq = 12000000, \
|
|
.io_mode = MSPI_IO_MODE_SINGLE, \
|
|
.data_rate = MSPI_DATA_RATE_SINGLE, \
|
|
.cpp = MSPI_CPP_MODE_0, \
|
|
.endian = MSPI_XFER_LITTLE_ENDIAN, \
|
|
.ce_polarity = MSPI_CE_ACTIVE_LOW, \
|
|
.dqs_enable = false, \
|
|
.rx_dummy = 8, \
|
|
.tx_dummy = 0, \
|
|
.read_cmd = SPI_NOR_CMD_READ_FAST, \
|
|
.write_cmd = SPI_NOR_CMD_PP, \
|
|
.cmd_length = 1, \
|
|
.addr_length = 4, \
|
|
.mem_boundary = 0, \
|
|
.time_to_break = 0, \
|
|
}
|
|
|
|
#if CONFIG_SOC_FAMILY_AMBIQ
|
|
#define MSPI_TIMING_CONFIG(n) \
|
|
{ \
|
|
.ui8WriteLatency = DT_INST_PROP_BY_IDX(n, ambiq_timing_config, 0), \
|
|
.ui8TurnAround = DT_INST_PROP_BY_IDX(n, ambiq_timing_config, 1), \
|
|
.bTxNeg = DT_INST_PROP_BY_IDX(n, ambiq_timing_config, 2), \
|
|
.bRxNeg = DT_INST_PROP_BY_IDX(n, ambiq_timing_config, 3), \
|
|
.bRxCap = DT_INST_PROP_BY_IDX(n, ambiq_timing_config, 4), \
|
|
.ui32TxDQSDelay = DT_INST_PROP_BY_IDX(n, ambiq_timing_config, 5), \
|
|
.ui32RxDQSDelay = DT_INST_PROP_BY_IDX(n, ambiq_timing_config, 6), \
|
|
.ui32RXDQSDelayEXT = DT_INST_PROP_BY_IDX(n, ambiq_timing_config, 7), \
|
|
}
|
|
#define MSPI_TIMING_CONFIG_MASK(n) DT_INST_PROP(n, ambiq_timing_config_mask)
|
|
#else
|
|
#define MSPI_TIMING_CONFIG(n)
|
|
#define MSPI_TIMING_CONFIG_MASK(n)
|
|
#endif
|
|
|
|
#define FLASH_MSPI_ATXP032(n) \
|
|
static const struct flash_mspi_atxp032_config flash_mspi_atxp032_config_##n = { \
|
|
.mem_size = DT_INST_PROP(n, size) / 8, \
|
|
.port = MSPI_PORT(n), \
|
|
.flash_param = \
|
|
{ \
|
|
.write_block_size = NOR_WRITE_SIZE, \
|
|
.erase_value = NOR_ERASE_VALUE, \
|
|
}, \
|
|
.page_layout = \
|
|
{ \
|
|
.pages_count = DT_INST_PROP(n, size) / 8 / SPI_NOR_PAGE_SIZE, \
|
|
.pages_size = SPI_NOR_PAGE_SIZE, \
|
|
}, \
|
|
.bus = DEVICE_DT_GET(DT_INST_BUS(n)), \
|
|
.dev_id = MSPI_DEVICE_ID_DT_INST(n), \
|
|
.serial_cfg = MSPI_DEVICE_CONFIG_SERIAL(n), \
|
|
.tar_dev_cfg = MSPI_DEVICE_CONFIG_DT_INST(n), \
|
|
.tar_xip_cfg = MSPI_XIP_CONFIG_DT_INST(n), \
|
|
.tar_scramble_cfg = MSPI_SCRAMBLE_CONFIG_DT_INST(n), \
|
|
.tar_timing_cfg = MSPI_TIMING_CONFIG(n), \
|
|
.timing_cfg_mask = MSPI_TIMING_CONFIG_MASK(n), \
|
|
.sw_multi_periph = DT_PROP(DT_INST_BUS(n), software_multiperipheral) \
|
|
}; \
|
|
static struct flash_mspi_atxp032_data flash_mspi_atxp032_data_##n = { \
|
|
.lock = Z_SEM_INITIALIZER(flash_mspi_atxp032_data_##n.lock, 0, 1), \
|
|
}; \
|
|
PM_DEVICE_DT_INST_DEFINE(n, flash_mspi_atxp032_pm_action); \
|
|
DEVICE_DT_INST_DEFINE(n, \
|
|
flash_mspi_atxp032_init, \
|
|
PM_DEVICE_DT_INST_GET(n), \
|
|
&flash_mspi_atxp032_data_##n, \
|
|
&flash_mspi_atxp032_config_##n, \
|
|
POST_KERNEL, \
|
|
CONFIG_FLASH_INIT_PRIORITY, \
|
|
&flash_mspi_atxp032_api);
|
|
|
|
DT_INST_FOREACH_STATUS_OKAY(FLASH_MSPI_ATXP032)
|