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[83.254.152.225]) by smtp.gmail.com with ESMTPSA id a78sm184390lfa.86.2017.10.24.12.51.44 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 24 Oct 2017 12:51:45 -0700 (PDT) From: Francisco Iglesias To: qemu-devel@nongnu.org Date: Tue, 24 Oct 2017 21:51:28 +0200 Message-Id: <20171024195139.28179-3-frasse.iglesias@gmail.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20171024195139.28179-1-frasse.iglesias@gmail.com> References: <20171024195139.28179-1-frasse.iglesias@gmail.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4010:c07::244 Subject: [Qemu-devel] [PATCH v3 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 Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Add support for SST READ ID 0x90/0xAB commands for reading out the flash manufacuter ID and device ID. Signed-off-by: Francisco Iglesias --- hw/block/m25p80.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c index 2971519..c85e8fa 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; } @@ -1018,6 +1023,21 @@ static void decode_new_cmd(Flash *s, uint32_t value) s->state = STATE_READING_DATA; break; + case RDID_90: + case RDID_AB: + DB_PRINT_L(0, "populated manf/dev ID\n"); + if (get_man(s) == MAN_SST) { + 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: Unknown cmd %x\n", value); + } + break; + case BULK_ERASE: if (s->write_enable) { DB_PRINT_L(0, "chip erase\n");