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b=Y5UrmXWZXkDiunJMmg+BPE64D0grBehPrb29Njysu8i37y/pX/9BkyPEizCMrEvPsFqqCIYQN+LSypvUPZRzeEKU5xyID1O4Q6tu5vOXvdbYyNeLg0Cg7BTKLqcTeqs1esiDTSVkjFncsl3d2gj7z74U5nc5Hk2BbE5ZTCu5wyM= Received: from MN2PR11MB4448.namprd11.prod.outlook.com (52.135.39.157) by MN2PR11MB3725.namprd11.prod.outlook.com (20.178.253.18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2263.21; Tue, 17 Sep 2019 15:55:54 +0000 Received: from MN2PR11MB4448.namprd11.prod.outlook.com ([fe80::c951:b15a:e4b3:30f7]) by MN2PR11MB4448.namprd11.prod.outlook.com ([fe80::c951:b15a:e4b3:30f7%7]) with mapi id 15.20.2263.023; Tue, 17 Sep 2019 15:55:54 +0000 From: To: , , , , , Subject: [PATCH 23/23] mtd: spi-nor: Unlock global block protection on sst26vf064b Thread-Topic: [PATCH 23/23] mtd: spi-nor: Unlock global block protection on sst26vf064b Thread-Index: AQHVbXBjDO1Czo3MO0OTInLfcDjFoA== Date: Tue, 17 Sep 2019 15:55:54 +0000 Message-ID: <20190917155426.7432-24-tudor.ambarus@microchip.com> References: <20190917155426.7432-1-tudor.ambarus@microchip.com> In-Reply-To: <20190917155426.7432-1-tudor.ambarus@microchip.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: VI1PR0302CA0007.eurprd03.prod.outlook.com (2603:10a6:800:e9::17) To MN2PR11MB4448.namprd11.prod.outlook.com (2603:10b6:208:193::29) x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: git-send-email 2.9.5 x-originating-ip: [94.177.32.156] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 215e3ad1-1624-42d6-87e3-08d73b878586 x-microsoft-antispam: BCL:0; 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SCL:1; SRVR:MN2PR11MB3725; H:MN2PR11MB4448.namprd11.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX:1; received-spf: None (protection.outlook.com: microchip.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: W2ooYE+qEuTKoM+NhK6tYlPVW3S+jXeGJlrTYC+mORU2z8MVe6jOZsaF6CXMpStd3ihHvaa03Hwg7b8fp8IOkVZY2PqrGP05EF9LOoi5xkaDRSt8paimxBnMUJmVdWaqUHcTGtIDmZNdlSEyDGnMPyWDzJEp2TN3qn0MS6+xxzKoAKzWQDDyZc5hMBzV1LB3wObDrcyeaqRhBAe9AIANGNqe4oPIdYsXLI80kn7Q4xoQt5o0VrH7ie+RUOvTkM7stb/5OjENAW/6IJxOoy7/nHtHS8Fw9PUWadJ9irIvK3Fh6fN6Xe/Kyh0o5etLkGzekGNEYoMuPX5rPPuIgI42MQeK3pMazUeFBD0eyWqMTUuRZhQG8FyEm5Jr89z/6BR60m7yOTzVIGJBc5IUf5STCeibTN+L9+u52FX7T+AFtX4= MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 215e3ad1-1624-42d6-87e3-08d73b878586 X-MS-Exchange-CrossTenant-originalarrivaltime: 17 Sep 2019 15:55:54.7232 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3f4057f3-b418-4d4e-ba84-d55b4e897d88 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: m0ND4Adf+ceHxZXxC0fPLvY/UZCL50SrBsWT2HFVRL2zL6UZpgkH80oQJ5fBnfjtpIZdeayr22PMIMW9ZtrCRo3zqZaTiB+reX6DEW6tq30= X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR11MB3725 X-BeenThere: linux-aspeed@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux ASPEED SoC development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-aspeed@lists.ozlabs.org, Tudor.Ambarus@microchip.com, linux-kernel@vger.kernel.org, vz@mleia.com, linux-mediatek@lists.infradead.org, matthias.bgg@gmail.com, computersforpeace@gmail.com, dwmw2@infradead.org, linux-arm-kernel@lists.infradead.org Errors-To: linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linux-aspeed" From: Tudor Ambarus To avoid inadvertent writes during power-up, sst26vf064b is write-protected by default after a power-on reset cycle. Unlock the serial flash memory by using the Global Block Protection Unlock command - it offers a single command cycle that unlocks the entire memory array. Signed-off-by: Tudor Ambarus --- drivers/mtd/spi-nor/spi-nor.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index 19556a9dd3fa..19919c9c1bd8 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -2442,7 +2442,9 @@ static const struct flash_info spi_nor_ids[] = { { "sst25wf080", INFO(0xbf2505, 0, 64 * 1024, 16, SECT_4K | SST_WRITE) }, { "sst26wf016b", INFO(0xbf2651, 0, 64 * 1024, 32, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, - { "sst26vf064b", INFO(0xbf2643, 0, 64 * 1024, 128, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, + { "sst26vf064b", INFO(0xbf2643, 0, 64 * 1024, 128, + SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | + UNLOCK_GLOBAL_BLOCK) }, /* ST Microelectronics -- newer production may have feature updates */ { "m25p05", INFO(0x202010, 0, 32 * 1024, 2, 0) },