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[83.254.152.225]) by smtp.gmail.com with ESMTPSA id v62sm2819800lje.39.2017.10.29.03.13.49 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 29 Oct 2017 03:13:49 -0700 (PDT) From: Francisco Iglesias To: qemu-devel@nongnu.org Date: Sun, 29 Oct 2017 11:13:32 +0100 Message-Id: <20171029101343.15544-3-frasse.iglesias@gmail.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20171029101343.15544-1-frasse.iglesias@gmail.com> References: <20171029101343.15544-1-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 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" 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 Krzemiński --- 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 = 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 +716,22 @@ 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 && 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; + } + 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 = get_addr_length(s); s->pos = 0; s->len = 0;