diff options
Diffstat (limited to 'spi25_statusreg.c')
| -rw-r--r-- | spi25_statusreg.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/spi25_statusreg.c b/spi25_statusreg.c index b178b2e3..726ca8cc 100644 --- a/spi25_statusreg.c +++ b/spi25_statusreg.c @@ -19,6 +19,7 @@ #include "flash.h" #include "chipdrivers.h" +#include "programmer.h" #include "spi.h" /* === Generic functions === */ @@ -129,6 +130,11 @@ int spi_write_register(const struct flashctx *flash, enum flash_reg reg, uint8_t return 1; } + if (!flash->mst->spi.probe_opcode(flash, write_cmd[0])) { + msg_pdbg("%s: write to register %d not supported by programmer, ignoring.\n", __func__, reg); + return SPI_INVALID_OPCODE; + } + uint8_t enable_cmd; if (feature_bits & FEATURE_WRSR_WREN) { enable_cmd = JEDEC_WREN; @@ -238,6 +244,11 @@ int spi_read_register(const struct flashctx *flash, enum flash_reg reg, uint8_t return 1; } + if (!flash->mst->spi.probe_opcode(flash, read_cmd)) { + msg_pdbg("%s: read from register %d not supported by programmer.\n", __func__, reg); + return SPI_INVALID_OPCODE; + } + /* FIXME: No workarounds for driver/hardware bugs in generic code. */ /* JEDEC_RDSR_INSIZE=1 but wbsio needs 2 */ uint8_t readarr[2]; |