Messages in this thread Patch in this message | | | From | Jae Hyun Yoo <> | Subject | [PATCH v2] mtd: spi-nor: winbond: add support for W25Q512NW-IQ | Date | Wed, 13 Jul 2022 14:12:10 -0700 |
| |
Add support for Winbond W25Q512NW-IQ/IN
Signed-off-by: Jae Hyun Yoo <quic_jaehyoo@quicinc.com> Link: https://www.winbond.com/resource-files/W25Q512NW%20RevB%2007192021.pdf Reviewed-by: Cédric Le Goater <clg@kaod.org> --- Changes in v2: * Refined commit message (Michael)
Test result on AST2600 SoC's SPI controller: $ cat /sys/bus/platform/devices/1e620000.spi/spi_master/spi0/spi0.1/spi-nor/jedec_id ef6020
$ cat /sys/bus/platform/devices/1e620000.spi/spi_master/spi0/spi0.1/spi-nor/manufacturer winbond
$ cat /sys/bus/platform/devices/1e620000.spi/spi_master/spi0/spi0.1/spi-nor/partname w25q512nwq
$ hexdump /sys/bus/platform/devices/1e620000.spi/spi_master/spi0/spi0.1/spi-nor/sfdp 0000000 4653 5044 0106 ff01 0600 1001 0080 ff00 0000010 0084 0201 00d0 ff00 ffff ffff ffff ffff 0000020 ffff ffff ffff ffff ffff ffff ffff ffff * 0000080 20e5 fffb ffff 1fff eb44 6b08 3b08 bb42 0000090 fffe ffff ffff 0000 ffff eb40 200c 520f 00000a0 d810 0000 0233 00a6 e781 d914 63e9 3376 00000b0 757a 757a bdf7 5cd5 f719 ff5d 70e9 a5f9 00000c0 ffff ffff ffff ffff ffff ffff ffff ffff 00000d0 0aff fff0 ff21 ffdc 00000d8
$ flash_otp_info -u /dev/mtd0 Number of OTP user blocks on /dev/mtd0: 3 block 0: offset = 0x0000 size = 256 bytes [unlocked] block 1: offset = 0x0100 size = 256 bytes [unlocked] block 2: offset = 0x0200 size = 256 bytes [unlocked]
$ flash_otp_dump -u /dev/mtd0 0x2d0 OTP user data for /dev/mtd0 0x02d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff 0x02e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff 0x02f0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
$ echo -n otp test | flash_otp_write -u /dev/mtd0 0x2d0 Writing OTP user data on /dev/mtd0 at offset 0x2d0 Wrote 8 bytes of OTP user data
$ flash_otp_dump -u /dev/mtd0 0x2d0 OTP user data for /dev/mtd0 0x02d0: 6f 74 70 20 74 65 73 74 ff ff ff ff ff ff ff ff 0x02e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff 0x02f0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
$ flash_otp_erase -u /dev/mtd0 0x200 0x100
$ flash_otp_dump -u /dev/mtd0 0x2d0 OTP user data for /dev/mtd0 0x02d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff 0x02e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff 0x02f0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
drivers/mtd/spi-nor/winbond.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/mtd/spi-nor/winbond.c b/drivers/mtd/spi-nor/winbond.c index ffaa24055259..d6f1a3b7267e 100644 --- a/drivers/mtd/spi-nor/winbond.c +++ b/drivers/mtd/spi-nor/winbond.c @@ -133,6 +133,9 @@ static const struct flash_info winbond_nor_parts[] = { { "w25m512jv", INFO(0xef7119, 0, 64 * 1024, 1024) NO_SFDP_FLAGS(SECT_4K | SPI_NOR_QUAD_READ | SPI_NOR_DUAL_READ) }, + { "w25q512nwq", INFO(0xef6020, 0, 64 * 1024, 1024) + PARSE_SFDP + OTP_INFO(256, 3, 0x1000, 0x1000) }, { "w25q512nwm", INFO(0xef8020, 0, 64 * 1024, 1024) PARSE_SFDP OTP_INFO(256, 3, 0x1000, 0x1000) }, -- 2.25.1
| |