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Merge pull request #14909 from DDC-NDRS/ndrs-pst 

SPIF: fixed _address_size to always initialize as 3_BYTES in ::init()
pull/14941/head
Martin Kojtal 2021-07-20 09:55:08 +02:00 committed by GitHub
parent b6e044a2f3 8394988354
commit 11439bf264
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 10 deletions
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11
storage/blockdevice/COMPONENT_SPIF/source/SPIFBlockDevice.cpp
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@ -66,14 +66,14 @@ enum spif_default_instructions {
SPIF_PP = 0x02, // Page Program data SPIF_PP = 0x02, // Page Program data
SPIF_READ = 0x03, // Read data SPIF_READ = 0x03, // Read data
SPIF_SE = 0x20, // 4KB Sector Erase SPIF_SE = 0x20, // 4KB Sector Erase
SPIF_SFDP = 0x5a, // Read SFDP SPIF_SFDP = 0x5A, // Read SFDP
SPIF_WRSR = 0x01, // Write Status/Configuration Register SPIF_WRSR = 0x01, // Write Status/Configuration Register
SPIF_WRDI = 0x04, // Write Disable SPIF_WRDI = 0x04, // Write Disable
SPIF_RDSR = 0x05, // Read Status Register SPIF_RDSR = 0x05, // Read Status Register
SPIF_WREN = 0x06, // Write Enable SPIF_WREN = 0x06, // Write Enable
SPIF_RSTEN = 0x66, // Reset Enable SPIF_RSTEN = 0x66, // Reset Enable
SPIF_RST = 0x99, // Reset SPIF_RST = 0x99, // Reset
SPIF_RDID = 0x9f, // Read Manufacturer and JDEC Device ID SPIF_RDID = 0x9F, // Read Manufacturer and JDEC Device ID
SPIF_ULBPR = 0x98, // Clears all write-protection bits in the Block-Protection register, SPIF_ULBPR = 0x98, // Clears all write-protection bits in the Block-Protection register,
SPIF_4BEN = 0xB7, // Enable 4-byte address mode SPIF_4BEN = 0xB7, // Enable 4-byte address mode
SPIF_4BDIS = 0xE9, // Disable 4-byte address mode SPIF_4BDIS = 0xE9, // Disable 4-byte address mode
@ -91,7 +91,6 @@ SPIFBlockDevice::SPIFBlockDevice(PinName mosi, PinName miso, PinName sclk, PinNa
_spi(mosi, miso, sclk, csel, use_gpio_ssel), _prog_instruction(0), _erase_instruction(0), _spi(mosi, miso, sclk, csel, use_gpio_ssel), _prog_instruction(0), _erase_instruction(0),
_page_size_bytes(0), _init_ref_count(0), _is_initialized(false) _page_size_bytes(0), _init_ref_count(0), _is_initialized(false)
{ {
_address_size = SPIF_ADDR_SIZE_3_BYTES;
// Initial SFDP read tables are read with 8 dummy cycles // Initial SFDP read tables are read with 8 dummy cycles
// Default Bus Setup 1_1_1 with 0 dummy and mode cycles // Default Bus Setup 1_1_1 with 0 dummy and mode cycles
_read_dummy_and_mode_cycles = 8; _read_dummy_and_mode_cycles = 8;
@ -128,6 +127,8 @@ int SPIFBlockDevice::init()
goto exit_point; goto exit_point;
} }
_address_size = SPIF_ADDR_SIZE_3_BYTES; // Set to 3-bytes since SFDP always use only A23 ~ A0
// Soft Reset // Soft Reset
if (-1 == _reset_flash_mem()) { if (-1 == _reset_flash_mem()) {
tr_error("init - Unable to initialize flash memory, tests failed"); tr_error("init - Unable to initialize flash memory, tests failed");
@ -750,7 +751,7 @@ int SPIFBlockDevice::_handle_vendor_quirks()
uint8_t vendor_device_ids[4]; uint8_t vendor_device_ids[4];
size_t data_length = 3; size_t data_length = 3;
/* Read Manufacturer ID (1byte), and Device ID (2bytes)*/ // Read Manufacturer ID (1byte), and Device ID (2bytes)
spif_bd_error spi_status = _spi_send_general_command(SPIF_RDID, SPI_NO_ADDRESS_COMMAND, NULL, 0, spif_bd_error spi_status = _spi_send_general_command(SPIF_RDID, SPI_NO_ADDRESS_COMMAND, NULL, 0,
(char *)vendor_device_ids, (char *)vendor_device_ids,
data_length); data_length);
@ -763,7 +764,7 @@ int SPIFBlockDevice::_handle_vendor_quirks()
tr_debug("Vendor device ID = 0x%x 0x%x 0x%x", vendor_device_ids[0], vendor_device_ids[1], vendor_device_ids[2]); tr_debug("Vendor device ID = 0x%x 0x%x 0x%x", vendor_device_ids[0], vendor_device_ids[1], vendor_device_ids[2]);
switch (vendor_device_ids[0]) { switch (vendor_device_ids[0]) {
case 0xbf: case 0xBF:
// SST devices come preset with block protection // SST devices come preset with block protection
// enabled for some regions, issue global protection unlock to clear // enabled for some regions, issue global protection unlock to clear
_set_write_enable(); _set_write_enable();