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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On 10/29/21 8:26 PM, Tudor Ambarus wrote: > Get rid of the static initialization of the flash parameters and > init them when parsing SFDP. > Generated a 256 Kbyte random data and did an erase, write, read back > and compare test. The flash uses for reads SPINOR_OP_READ_1_4_4 0xeb, > for erases SPINOR_OP_BE_4K 0x20, and for writes SPINOR_OP_PP 0x02. > > Signed-off-by: Tudor Ambarus > --- root@sama5d2-xplained:~# cat /sys/devices/platform/ahb/ahb:apb/f0020000.spi/spi_master/spi1/spi1.0/spi-nor/jedec_id bf2643 root@sama5d2-xplained:~# cat /sys/devices/platform/ahb/ahb:apb/f0020000.spi/spi_master/spi1/spi1.0/spi-nor/manufacturer sst root@sama5d2-xplained:~# cat /sys/devices/platform/ahb/ahb:apb/f0020000.spi/spi_master/spi1/spi1.0/spi-nor/partname sst26vf064b root@sama5d2-xplained:~# cat /sys/devices/platform/ahb/ahb:apb/f0020000.spi/spi_master/spi1/spi1.0/spi-nor/sfdp > sst26vf064b-sfdp root@sama5d2-xplained:~# hexdump sst26vf064b-sfdp 0000000 4653 5044 0106 ff02 0600 1001 0030 ff00 0000010 0081 0601 0100 ff00 00bf 1801 0200 0100 0000020 ffff ffff ffff ffff ffff ffff ffff ffff 0000030 20fd fff1 ffff 03ff eb44 6b08 3b08 bb80 0000040 fffe ffff ffff ff00 ffff 0b44 200c d80d 0000050 d80f d810 9120 2448 6f80 811d 0fed 3877 0000060 b030 b030 fff7 ffff c229 ff5c 30f0 80c0 0000070 ffff ffff ffff ffff ffff ffff ffff ffff * 0000100 00ff ff04 7ff3 0000 7ff5 0000 fff9 007d 0000110 7ff5 0000 7ff3 0000 ffff ffff ffff ffff 0000120 ffff ffff ffff ffff ffff ffff ffff ffff * 0000200 26bf ff43 5fb9 fffd f230 f360 ff32 120a 0000210 4623 0fff 3219 190f ff19 ffff ffff ffff 0000220 6600 3899 05ff 3501 0406 3202 30b0 4272 0000230 e88d 8898 85a5 9fc0 5aaf ffff ec06 0c06 0000240 0300 0b08 ffff ffff 07ff ffff 0202 06ff 0000250 0003 fdfd 0704 fc00 0003 fefe 0202 0e07 0000260 > drivers/mtd/spi-nor/sst.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/ From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1A8E7C433EF for ; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 10/29/21 8:26 PM, Tudor Ambarus wrote: > Get rid of the static initialization of the flash parameters and > init them when parsing SFDP. > Generated a 256 Kbyte random data and did an erase, write, read back > and compare test. The flash uses for reads SPINOR_OP_READ_1_4_4 0xeb, > for erases SPINOR_OP_BE_4K 0x20, and for writes SPINOR_OP_PP 0x02. > > Signed-off-by: Tudor Ambarus > --- root@sama5d2-xplained:~# cat /sys/devices/platform/ahb/ahb:apb/f0020000.spi/spi_master/spi1/spi1.0/spi-nor/jedec_id bf2643 root@sama5d2-xplained:~# cat /sys/devices/platform/ahb/ahb:apb/f0020000.spi/spi_master/spi1/spi1.0/spi-nor/manufacturer sst root@sama5d2-xplained:~# cat /sys/devices/platform/ahb/ahb:apb/f0020000.spi/spi_master/spi1/spi1.0/spi-nor/partname sst26vf064b root@sama5d2-xplained:~# cat /sys/devices/platform/ahb/ahb:apb/f0020000.spi/spi_master/spi1/spi1.0/spi-nor/sfdp > sst26vf064b-sfdp root@sama5d2-xplained:~# hexdump sst26vf064b-sfdp 0000000 4653 5044 0106 ff02 0600 1001 0030 ff00 0000010 0081 0601 0100 ff00 00bf 1801 0200 0100 0000020 ffff ffff ffff ffff ffff ffff ffff ffff 0000030 20fd fff1 ffff 03ff eb44 6b08 3b08 bb80 0000040 fffe ffff ffff ff00 ffff 0b44 200c d80d 0000050 d80f d810 9120 2448 6f80 811d 0fed 3877 0000060 b030 b030 fff7 ffff c229 ff5c 30f0 80c0 0000070 ffff ffff ffff ffff ffff ffff ffff ffff * 0000100 00ff ff04 7ff3 0000 7ff5 0000 fff9 007d 0000110 7ff5 0000 7ff3 0000 ffff ffff ffff ffff 0000120 ffff ffff ffff ffff ffff ffff ffff ffff * 0000200 26bf ff43 5fb9 fffd f230 f360 ff32 120a 0000210 4623 0fff 3219 190f ff19 ffff ffff ffff 0000220 6600 3899 05ff 3501 0406 3202 30b0 4272 0000230 e88d 8898 85a5 9fc0 5aaf ffff ec06 0c06 0000240 0300 0b08 ffff ffff 07ff ffff 0202 06ff 0000250 0003 fdfd 0704 fc00 0003 fefe 0202 0e07 0000260 > drivers/mtd/spi-nor/sst.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel