diff options
Diffstat (limited to 'hw/block')
| -rw-r--r-- | hw/block/m25p80.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c index d50acc1d3a..092c0c67e9 100644 --- a/hw/block/m25p80.c +++ b/hw/block/m25p80.c @@ -355,6 +355,8 @@ typedef enum { DPP = 0xa2, QPP = 0x32, QPP_4 = 0x34, + RDID_90 = 0x90, + RDID_AB = 0xab, ERASE_4K = 0x20, ERASE4_4K = 0x21, @@ -405,6 +407,7 @@ typedef enum { MAN_MACRONIX, MAN_NUMONYX, MAN_WINBOND, + MAN_SST, MAN_GENERIC, } Manufacturer; @@ -476,6 +479,8 @@ static inline Manufacturer get_man(Flash *s) return MAN_SPANSION; case 0xC2: return MAN_MACRONIX; + case 0xBF: + return MAN_SST; default: return MAN_GENERIC; } @@ -711,6 +716,31 @@ static void complete_collecting_data(Flash *s) case WEVCR: s->enh_volatile_cfg = s->data[0]; break; + case RDID_90: + case RDID_AB: + if (get_man(s) == MAN_SST) { + if (s->cur_addr <= 1) { + if (s->cur_addr) { + s->data[0] = s->pi->id[2]; + s->data[1] = s->pi->id[0]; + } else { + s->data[0] = s->pi->id[0]; + s->data[1] = s->pi->id[2]; + } + s->pos = 0; + s->len = 2; + s->data_read_loop = true; + s->state = STATE_READING_DATA; + } else { + qemu_log_mask(LOG_GUEST_ERROR, + "M25P80: Invalid read id address\n"); + } + } else { + qemu_log_mask(LOG_GUEST_ERROR, + "M25P80: Read id (command 0x90/0xAB) is not supported" + " by device\n"); + } + break; default: break; } @@ -926,6 +956,8 @@ static void decode_new_cmd(Flash *s, uint32_t value) case PP4: case PP4_4: case DIE_ERASE: + case RDID_90: + case RDID_AB: s->needed_bytes = get_addr_length(s); s->pos = 0; s->len = 0; |