diff options
| -rw-r--r-- | hw/block/pflash_cfi01.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/hw/block/pflash_cfi01.c b/hw/block/pflash_cfi01.c index a0d7a161f4..a458ad62e9 100644 --- a/hw/block/pflash_cfi01.c +++ b/hw/block/pflash_cfi01.c @@ -40,6 +40,7 @@ #include "hw/block/flash.h" #include "block/block.h" #include "qemu/timer.h" +#include "qemu/bitops.h" #include "exec/address-spaces.h" #include "qemu/host-utils.h" #include "hw/sysbus.h" @@ -72,6 +73,7 @@ struct pflash_t { uint32_t nb_blocs; uint64_t sector_len; uint8_t bank_width; + uint8_t device_width; /* If 0, device width not specified. */ uint8_t be; uint8_t wcycle; /* if 0, the flash is read normally */ int ro; @@ -379,6 +381,14 @@ static void pflash_write(pflash_t *pfl, hwaddr offset, break; case 0xe8: + /* Mask writeblock size based on device width, or bank width if + * device width not specified. + */ + if (pfl->device_width) { + value = extract32(value, 0, pfl->device_width * 8); + } else { + value = extract32(value, 0, pfl->bank_width * 8); + } DPRINTF("%s: block write of %x bytes\n", __func__, value); pfl->counter = value; pfl->wcycle++; @@ -708,6 +718,7 @@ static Property pflash_cfi01_properties[] = { DEFINE_PROP_UINT32("num-blocks", struct pflash_t, nb_blocs, 0), DEFINE_PROP_UINT64("sector-length", struct pflash_t, sector_len, 0), DEFINE_PROP_UINT8("width", struct pflash_t, bank_width, 0), + DEFINE_PROP_UINT8("device-width", struct pflash_t, device_width, 0), DEFINE_PROP_UINT8("big-endian", struct pflash_t, be, 0), DEFINE_PROP_UINT16("id0", struct pflash_t, ident0, 0), DEFINE_PROP_UINT16("id1", struct pflash_t, ident1, 0), |