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[211.75.127.162]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fd6f48f693sm48292335ad.308.2024.07.21.23.50.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 21 Jul 2024 23:50:46 -0700 (PDT) Received: from hqs-appsw-a2o.mp600.macronix.com (linux-patcher [172.17.236.67]) by twhmp6px (Postfix) with ESMTPS id D80A68070F; Mon, 22 Jul 2024 15:00:27 +0800 (CST) From: Cheng Ming Lin To: tudor.ambarus@linaro.org, pratyush@kernel.org, mwalle@kernel.org, miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org Cc: leoyu@mxic.com.tw, alvinzhou@mxic.com.tw, Cheng Ming Lin Subject: [PATCH 1/3] mtd: spi-nor: macronix: Add support for serial NOR flash Date: Mon, 22 Jul 2024 14:49:20 +0800 Message-Id: <20240722064922.606172-2-linchengming884@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240722064922.606172-1-linchengming884@gmail.com> References: <20240722064922.606172-1-linchengming884@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Cheng Ming Lin MX66U1G45G and MX66L2G45G are Macronix serial NOR flash. These flashes have been tested on Xilinx Zynq-picozed board using MXIC SPI controller. Signed-off-by: Cheng Ming Lin --- zynq> cat /sys/bus/spi/devices/spi0.0/spi-nor/jedec_id c2201c zynq> cat /sys/bus/spi/devices/spi0.0/spi-nor/manufacturer macronix zynq> hexdump -Cv /sys/bus/spi/devices/spi0.0/spi-nor/sfdp 00000000 53 46 44 50 06 01 02 ff 00 06 01 10 30 00 00 ff |SFDP........0.= ..| 00000010 c2 00 01 04 10 01 00 ff 84 00 01 02 c0 00 00 ff |..............= ..| 00000020 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |..............= ..| 00000030 e5 20 fb ff ff ff ff 7f 44 eb 08 6b 08 3b 04 bb |. ......D..k.;= ..| 00000040 fe ff ff ff ff ff 00 ff ff ff 44 eb 0c 20 0f 52 |..........D.. = .R| 00000050 10 d8 00 ff 87 49 bd 00 84 d2 04 e2 44 03 67 38 |.....I......D.= g8| 00000060 30 b0 30 b0 f7 bd ff 5c 4a 9e 29 ff f0 50 f9 85 |0.0....\J.)..P= ..| 00000070 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |..............= ..| 00000080 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |..............= ..| 00000090 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |..............= ..| 000000a0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |..............= ..| 000000b0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |..............= ..| 000000c0 7f 8f ff ff 21 5c dc ff ff ff ff ff ff ff ff ff |....!\........= ..| 000000d0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |..............= ..| 000000e0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |..............= ..| 000000f0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |..............= ..| 00000100 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |..............= ..| 00000110 00 36 00 27 9d f9 c0 64 85 cb ff ff ff ff ff ff |.6.'...d......= ..| 00000120 zynq> sha256sum /sys/bus/spi/devices/spi0.0/spi-nor/sfdp 9af233495e5cffd2f38e9e2b8334a0d51c01fa93e9a17a991f674c8d6a350358 /sys/bus/= spi/devices/spi0.0/p zynq> cat /sys/kernel/debug/spi-nor/spi0.0/capabilities Supported read modes by the flash 1S-1S-1S opcode 0x13 mode cycles 0 dummy cycles 0 1S-1S-2S opcode 0x3c mode cycles 0 dummy cycles 8 1S-2S-2S opcode 0xbc mode cycles 0 dummy cycles 4 1S-1S-4S opcode 0x6c mode cycles 0 dummy cycles 8 1S-4S-4S opcode 0xec mode cycles 2 dummy cycles 4 4S-4S-4S opcode 0xec mode cycles 2 dummy cycles 4 Supported page program modes by the flash 1S-1S-1S opcode 0x12 1S-4S-4S opcode 0x3e zynq> cat /sys/kernel/debug/spi-nor/spi0.0/params name (null) id c2 20 1c c2 20 1c size 256 MiB write size 1 page size 256 address nbytes 4 flags 4B_OPCODES | HAS_4BAIT | SOFT_RESET opcodes read 0xec dummy cycles 6 erase 0x21 program 0x3e 8D extension none protocols read 1S-4S-4S write 1S-4S-4S register 1S-1S-1S erase commands 21 (4.00 KiB) [1] 5c (32.0 KiB) [2] dc (64.0 KiB) [3] c7 (256 MiB) sector map region (in hex) | erase mask | overlaid ------------------+------------+---------- 00000000-0fffffff | [ 1 ] | no zynq> dd if=3D/dev/urandom of=3D/tmp/spi_test bs=3D1M count=3D2 2+0 records in 2+0 records out 2097152 bytes (2.0MB) copied, 0.083620 seconds, 23.9MB/s zynq> mtd_debug erase /dev/mtd0 0 2097152 Erased 2097152 bytes from address 0x00000000 in flash zynq> mtd_debug read /dev/mtd0 0 2097152 /tmp/spi_read Copied 2097152 bytes from address 0x00000000 in flash to /tmp/spi_read zynq> hexdump /tmp/spi_read 0000000 ffff ffff ffff ffff ffff ffff ffff ffff * 0200000 zynq> sha256sum /tmp/spi_read 4bda3a28f4ffe603c0ec1258c0034d65a1a0d35ab7bd523a834608adabf03cc5 /tmp/spi_= read zynq> mtd_debug write /dev/mtd0 0 2097152 /tmp/spi_test Copied 2097152 bytes from /tmp/spi_test to address 0x00000000 in flash zynq> mtd_debug read /dev/mtd0 0 2097152 /tmp/spi_read Copied 2097152 bytes from address 0x00000000 in flash to /tmp/spi_read zynq> sha256sum /tmp/spi* 2c63296c93c97967e87279c3a4d4a9a5af4e7c2b9d2bc58579c3f01a6c522dfa /tmp/spi_= read 2c63296c93c97967e87279c3a4d4a9a5af4e7c2b9d2bc58579c3f01a6c522dfa /tmp/spi_= test zynq> mtd_debug erase /dev/mtd0 0 2097152 Erased 2097152 bytes from address 0x00000000 in flash zynq> mtd_debug read /dev/mtd0 0 2097152 /tmp/spi_read Copied 2097152 bytes from address 0x00000000 in flash to /tmp/spi_read zynq> sha256sum /tmp/spi* 4bda3a28f4ffe603c0ec1258c0034d65a1a0d35ab7bd523a834608adabf03cc5 /tmp/spi_= read 2c63296c93c97967e87279c3a4d4a9a5af4e7c2b9d2bc58579c3f01a6c522dfa /tmp/spi_= test zynq> mtd_debug info /dev/mtd0 mtd.type =3D MTD_NORFLASH mtd.flags =3D MTD_CAP_NORFLASH mtd.size =3D 268435456 (256M) mtd.erasesize =3D 4096 (4K) mtd.writesize =3D 1 mtd.oobsize =3D 0 regions =3D 0 zynq> cat /sys/bus/spi/devices/spi0.0/spi-nor/jedec_id c2253b zynq> cat /sys/bus/spi/devices/spi0.0/spi-nor/manufacturer zynq> cat /sys/bus/spi/devices/spi0.0/spi-nor/jedec_id c2253b zynq> cat /sys/bus/spi/devices/spi0.0/spi-nor/manufacturer macronix zynq> hexdump -Cv /sys/bus/spi/devices/spi0.0/spi-nor/sfdp 00000000 53 46 44 50 06 01 02 ff 00 06 01 10 30 00 00 ff |SFDP........0.= ..| 00000010 c2 00 01 04 10 01 00 ff 84 00 01 02 c0 00 00 ff |..............= ..| 00000020 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |..............= ..| 00000030 e5 20 fb ff ff ff ff 3f 44 eb 08 6b 08 3b 04 bb |. .....?D..k.;= ..| 00000040 fe ff ff ff ff ff 00 ff ff ff 44 eb 0c 20 0f 52 |..........D.. = .R| 00000050 10 d8 00 ff 89 49 bd 00 8d 12 00 e2 44 03 67 44 |.....I......D.= gD| 00000060 30 b0 30 b0 f7 bd d5 5c 4a 9e 29 ff f0 50 f9 85 |0.0....\J.)..P= ..| 00000070 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |..............= ..| 00000080 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |..............= ..| 00000090 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |..............= ..| 000000a0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |..............= ..| 000000b0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |..............= ..| 000000c0 7f 8f ff ff 21 5c dc ff ff ff ff ff ff ff ff ff |....!\........= ..| 000000d0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |..............= ..| 000000e0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |..............= ..| 000000f0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |..............= ..| 00000100 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |..............= ..| 00000110 00 20 00 17 9d f9 c0 64 85 cb ff ff ff ff ff ff |. .....d......= ..| 00000120 zynq> sha256sum /sys/bus/spi/devices/spi0.0/spi-nor/sfdp ef47525560aa30ca7eb4634eb2eb15a0aa618d3b61f774933f9935d05fb475f6 /sys/bus/= spi/devices/spi0.0/p zynq> cat /sys/kernel/debug/spi-nor/spi0.0/capabilities Supported read modes by the flash 1S-1S-1S opcode 0x13 mode cycles 0 dummy cycles 0 1S-1S-2S opcode 0x3c mode cycles 0 dummy cycles 8 1S-2S-2S opcode 0xbc mode cycles 0 dummy cycles 4 1S-1S-4S opcode 0x6c mode cycles 0 dummy cycles 8 1S-4S-4S opcode 0xec mode cycles 2 dummy cycles 4 4S-4S-4S opcode 0xec mode cycles 2 dummy cycles 4 Supported page program modes by the flash 1S-1S-1S opcode 0x12 1S-4S-4S opcode 0x3e zynq> cat /sys/kernel/debug/spi-nor/spi0.0/params name (null) id c2 25 3b c2 25 3b size 128 MiB write size 1 page size 256 address nbytes 4 flags 4B_OPCODES | HAS_4BAIT | SOFT_RESET opcodes read 0xec dummy cycles 6 erase 0x21 program 0x3e 8D extension none protocols read 1S-4S-4S write 1S-4S-4S register 1S-1S-1S erase commands 21 (4.00 KiB) [1] 5c (32.0 KiB) [2] dc (64.0 KiB) [3] c7 (128 MiB) sector map region (in hex) | erase mask | overlaid ------------------+------------+---------- 00000000-07ffffff | [ 1 ] | no zynq> dd if=3D/dev/urandom of=3D/tmp/spi_test bs=3D1M count=3D2 2+0 records in 2+0 records out 2097152 bytes (2.0MB) copied, 0.083028 seconds, 24.1MB/s zynq> mtd_debug erase /dev/mtd0 0 2097152 Erased 2097152 bytes from address 0x00000000 in flash zynq> mtd_debug read /dev/mtd0 0 2097152 /tmp/spi_read Copied 2097152 bytes from address 0x00000000 in flash to /tmp/spi_read zynq> hexdump /tmp/spi_read 0000000 ffff ffff ffff ffff ffff ffff ffff ffff * 0200000 zynq> sha256sum /tmp/spi_read 4bda3a28f4ffe603c0ec1258c0034d65a1a0d35ab7bd523a834608adabf03cc5 /tmp/spi_= read zynq> mtd_debug write /dev/mtd0 0 2097152 /tmp/spi_test Copied 2097152 bytes from /tmp/spi_test to address 0x00000000 in flash zynq> mtd_debug read /dev/mtd0 0 2097152 /tmp/spi_read Copied 2097152 bytes from address 0x00000000 in flash to /tmp/spi_read zynq> sha256sum /tmp/spi* 45b3b6898c7dccd9bdc3cabd42d25ce6a875f4bdebe0b2a5d51632c67ecdc4a2 /tmp/spi_= read 45b3b6898c7dccd9bdc3cabd42d25ce6a875f4bdebe0b2a5d51632c67ecdc4a2 /tmp/spi_= test zynq> mtd_debug erase /dev/mtd0 0 2097152 Erased 2097152 bytes from address 0x00000000 in flash zynq> mtd_debug read /dev/mtd0 0 2097152 /tmp/spi_read Copied 2097152 bytes from address 0x00000000 in flash to /tmp/spi_read zynq> sha256sum /tmp/spi* 4bda3a28f4ffe603c0ec1258c0034d65a1a0d35ab7bd523a834608adabf03cc5 /tmp/spi_= read 45b3b6898c7dccd9bdc3cabd42d25ce6a875f4bdebe0b2a5d51632c67ecdc4a2 /tmp/spi_= test zynq> mtd_debug info /dev/mtd0 mtd.type =3D MTD_NORFLASH mtd.flags =3D MTD_CAP_NORFLASH mtd.size =3D 134217728 (128M) mtd.erasesize =3D 4096 (4K) mtd.writesize =3D 1 mtd.oobsize =3D 0 regions =3D 0 drivers/mtd/spi-nor/macronix.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/mtd/spi-nor/macronix.c b/drivers/mtd/spi-nor/macronix.c index ea6be95e75a5..387836b27605 100644 --- a/drivers/mtd/spi-nor/macronix.c +++ b/drivers/mtd/spi-nor/macronix.c @@ -90,6 +90,10 @@ static const struct flash_info macronix_nor_parts[] =3D { .name =3D "mx66l1g45g", .size =3D SZ_128M, .no_sfdp_flags =3D SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ, + }, { + .id =3D SNOR_ID(0xc2, 0x20, 0x1c), + .size =3D SZ_256M, + .no_sfdp_flags =3D SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ, }, { .id =3D SNOR_ID(0xc2, 0x23, 0x14), .name =3D "mx25v8035f", @@ -143,6 +147,11 @@ static const struct flash_info macronix_nor_parts[] = =3D { .size =3D SZ_64M, .no_sfdp_flags =3D SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ, .fixup_flags =3D SPI_NOR_4B_OPCODES, + }, { + .id =3D SNOR_ID(0xc2, 0x25, 0x3b), + .size =3D SZ_128M, + .no_sfdp_flags =3D SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ, + .fixup_flags =3D SPI_NOR_4B_OPCODES, }, { .id =3D SNOR_ID(0xc2, 0x25, 0x3c), .name =3D "mx66u2g45g", --=20 2.25.1