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spi_flash: add support for 32Mbit address GD flash, for GD25Q256

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This commit is contained in:
Cao Sen Miao
2021-05-18 12:05:41 +08:00
parent ba15ac8634
commit e226a65a1f
10 changed files with 136 additions and 18 deletions
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41
components/spi_flash/spi_flash_chip_winbond.c
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@@ -76,18 +76,22 @@ esp_err_t spi_flash_chip_winbond_read(esp_flash_t *chip, void *buffer, uint32_t
esp_err_t spi_flash_chip_winbond_page_program(esp_flash_t *chip, const void *buffer, uint32_t address, uint32_t length)
{
esp_err_t err;
esp_err_t err = ESP_OK;
bool addr_4b = ADDR_32BIT(address);
// Separate the behaviour of 4B address and not 4B address to decline the influnece for performance.
if (addr_4b) {
err = chip->chip_drv->wait_idle(chip, chip->chip_drv->timeout->idle_timeout);
if (err == ESP_OK) {
// Perform the actual Page Program command
err = spi_flash_command_winbond_program_4B(chip, buffer, address, length);
if (err != ESP_OK) {
return err;
}
err = chip->chip_drv->wait_idle(chip, chip->chip_drv->timeout->idle_timeout);
if (err == ESP_OK) {
// Perform the actual Page Program command
err = spi_flash_command_winbond_program_4B(chip, buffer, address, length);
if (err != ESP_OK) {
return err;
err = chip->chip_drv->wait_idle(chip, chip->chip_drv->timeout->page_program_timeout);
}
err = chip->chip_drv->wait_idle(chip, chip->chip_drv->timeout->page_program_timeout);
} else {
spi_flash_chip_generic_page_program(chip, buffer, address, length);
}
return err;
}
@@ -140,6 +144,17 @@ esp_err_t spi_flash_chip_winbond_erase_block(esp_flash_t *chip, uint32_t start_a
return err;
}
spi_flash_caps_t spi_flash_chip_winbond_get_caps(esp_flash_t *chip)
{
spi_flash_caps_t caps_flags = 0;
// 32M-bits address support
if ((chip->chip_id & 0xFF) >= 0x19) {
caps_flags |= SPI_FLASH_CHIP_CAP_32MB_SUPPORT;
}
// flash-suspend is not supported
return caps_flags;
}
static const char chip_name[] = "winbond";
// The issi chip can use the functions for generic chips except from set read mode and probe,
@@ -177,15 +192,15 @@ const spi_flash_chip_t esp_flash_chip_winbond = {
.read_reg = spi_flash_chip_generic_read_reg,
.yield = spi_flash_chip_generic_yield,
.sus_setup = spi_flash_chip_generic_suspend_cmd_conf,
.get_chip_caps = spi_flash_chip_winbond_get_caps,
};
static esp_err_t spi_flash_command_winbond_program_4B(esp_flash_t *chip, const void *buffer, uint32_t address, uint32_t length)
{
bool addr_4b = ADDR_32BIT(address);
spi_flash_trans_t t = {
.command = (addr_4b? CMD_PROGRAM_PAGE_4B: CMD_PROGRAM_PAGE),
.address_bitlen = (addr_4b? 32: 24),
.command = (CMD_PROGRAM_PAGE_4B),
.address_bitlen = 32,
.address = address,
.mosi_len = length,
.mosi_data = buffer,