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Sun, 28 Apr 2019 11:09:40 -0700 (PDT) From: Sagar Shrikant Kadam To: marek.vasut@gmail.com, tudor.ambarus@microchip.com, dwmw2@infradead.org, computersforpeace@gmail.com, bbrezillon@kernel.org, richard@nod.at Subject: [PATCH v2 1/3] mtd: spi-nor: add support for is25wp256 Date: Sun, 28 Apr 2019 23:39:14 +0530 Message-Id: <1556474956-27786-2-git-send-email-sagar.kadam@sifive.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1556474956-27786-1-git-send-email-sagar.kadam@sifive.com> References: <1556474956-27786-1-git-send-email-sagar.kadam@sifive.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190428_110941_749510_8B7C8EFA X-CRM114-Status: GOOD ( 13.68 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: palmer@sifive.com, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, Sagar Shrikant Kadam , paul.walmsley@sifive.com, linux-riscv@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org Update spi_nor_id tablet for is25wp256 (32MB)device from ISSI, present on HiFive Unleashed dev board (Rev: A00). Set method to enable quad mode for ISSI device in flash parameters table. Signed-off-by: Sagar Shrikant Kadam --- drivers/mtd/spi-nor/spi-nor.c | 10 +++++++++- include/linux/mtd/spi-nor.h | 1 + 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index fae1474..c5408ed 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -1834,6 +1834,10 @@ static int sr2_bit7_quad_enable(struct spi_nor *nor) SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, { "is25wp128", INFO(0x9d7018, 0, 64 * 1024, 256, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, + { "is25wp256", INFO(0x9d7019, 0, 64 * 1024, 1024, + SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | + SPI_NOR_4B_OPCODES) + }, /* Macronix */ { "mx25l512e", INFO(0xc22010, 0, 64 * 1024, 1, SECT_4K) }, @@ -3650,6 +3654,10 @@ static int spi_nor_init_params(struct spi_nor *nor, case SNOR_MFR_MACRONIX: params->quad_enable = macronix_quad_enable; break; + case SNOR_MFR_ISSI: + params->quad_enable = macronix_quad_enable; + break; + case SNOR_MFR_ST: case SNOR_MFR_MICRON: @@ -4127,7 +4135,7 @@ int spi_nor_scan(struct spi_nor *nor, const char *name, if (ret) return ret; - if (nor->addr_width) { + if (nor->addr_width && JEDEC_MFR(info) != SNOR_MFR_ISSI) { /* already configured from SFDP */ } else if (info->addr_width) { nor->addr_width = info->addr_width; diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h index b3d360b..ff13297 100644 --- a/include/linux/mtd/spi-nor.h +++ b/include/linux/mtd/spi-nor.h @@ -19,6 +19,7 @@ #define SNOR_MFR_ATMEL CFI_MFR_ATMEL #define SNOR_MFR_GIGADEVICE 0xc8 #define SNOR_MFR_INTEL CFI_MFR_INTEL +#define SNOR_MFR_ISSI 0x9d /* ISSI */ #define SNOR_MFR_ST CFI_MFR_ST /* ST Micro */ #define SNOR_MFR_MICRON CFI_MFR_MICRON /* Micron */ #define SNOR_MFR_MACRONIX CFI_MFR_MACRONIX -- 1.9.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv