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X-Received-From: 2a00:1450:4010:c07::244 Subject: [Qemu-devel] [PATCH v5 02/13] m25p80: Add support for SST READ ID 0x90/0xAB commands X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: edgari@xilinx.com, alistai@xilinx.com, francisco.iglesias@feimtech.se, mar.krzeminski@gmail.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_6 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Add support for SST READ ID 0x90/0xAB commands for reading out the flash manufacuter ID and device ID. Signed-off-by: Francisco Iglesias Acked-by: Alistair Francis Acked-by: Marcin Krzemi=C5=84ski --- hw/block/m25p80.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c index 2971519..7a5c137 100644 --- a/hw/block/m25p80.c +++ b/hw/block/m25p80.c @@ -355,6 +355,8 @@ typedef enum { DPP =3D 0xa2, QPP =3D 0x32, QPP_4 =3D 0x34, + RDID_90 =3D 0x90, + RDID_AB =3D 0xab, =20 ERASE_4K =3D 0x20, ERASE4_4K =3D 0x21, @@ -405,6 +407,7 @@ typedef enum { MAN_MACRONIX, MAN_NUMONYX, MAN_WINBOND, + MAN_SST, MAN_GENERIC, } Manufacturer; =20 @@ -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 +716,22 @@ static void complete_collecting_data(Flash *s) case WEVCR: s->enh_volatile_cfg =3D s->data[0]; break; + case RDID_90: + case RDID_AB: + if (get_man(s) =3D=3D MAN_SST && s->cur_addr <=3D 1) { + if (s->cur_addr) { + s->data[0] =3D s->pi->id[2]; + s->data[1] =3D s->pi->id[0]; + } else { + s->data[0] =3D s->pi->id[0]; + s->data[1] =3D s->pi->id[2]; + } + s->pos =3D 0; + s->len =3D 2; + s->data_read_loop =3D true; + s->state =3D STATE_READING_DATA; + } + break; default: break; } @@ -926,6 +947,8 @@ 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 =3D get_addr_length(s); s->pos =3D 0; s->len =3D 0; --=20 2.9.3