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Merge pull request #2847 from bd34n/external-flash-fix 

.../external_flash.c: Don't attempt to issue CMD_READ_STATUS2 for devices with only a single_status_byte.
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Scott Shawcroft 2020-05-04 14:44:10 -07:00 committed by GitHub
parent 4d7e341e44 28179a3aaf
commit 54eb6d39e4
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 4 deletions
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9
supervisor/shared/external_flash/external_flash.c
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@ -218,11 +218,12 @@ void supervisor_flash_init(void) {
do {
spi_flash_read_command(CMD_READ_STATUS, read_status_response, 1);
} while ((read_status_response[0] & 0x1) != 0);
// The suspended write/erase bit should be low.
do {
if (!flash_device->single_status_byte) {
// The suspended write/erase bit should be low.
do {
spi_flash_read_command(CMD_READ_STATUS2, read_status_response, 1);
} while ((read_status_response[0] & 0x80) != 0);
} while ((read_status_response[0] & 0x80) != 0);
}
spi_flash_command(CMD_ENABLE_RESET);
spi_flash_command(CMD_RESET);