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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_4B 0xec, > for erases SPINOR_OP_BE_4K_4B 0x21, and for writes SPINOR_OP_PP_4B 0x12. > > 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 9d6019 root@sama5d2-xplained:~# cat /sys/devices/platform/ahb/ahb:apb/f0020000.spi/spi_master/spi1/spi1.0/spi-nor/manufacturer issi root@sama5d2-xplained:~# cat /sys/devices/platform/ahb/ahb:apb/f0020000.spi/spi_master/spi1/spi1.0/spi-nor/partname is25lp256 root@sama5d2-xplained:~# cat /sys/devices/platform/ahb/ahb:apb/f0020000.spi/spi_master/spi1/spi1.0/spi-nor/sfdp > sfdp-issi root@sama5d2-xplained:~# hexdump sfdp-issi 0000000 4653 5044 0106 ff01 0600 1001 0030 ff00 0000010 059d 0301 0080 0200 ffff ffff ffff ffff 0000020 ffff ffff ffff ffff ffff ffff ffff ffff 0000030 20e5 fff9 ffff 0fff eb44 6b08 3b08 bb80 0000040 fffe ffff ffff ff00 ffff eb44 200c 520f 0000050 d810 ff00 4a23 00c9 d882 ce11 cdcc 4668 0000060 757a 757a aef7 5cd5 424a ff2c 30f0 a9f2 0000070 ffff ffff ffff ffff ffff ffff ffff ffff 0000080 3600 2300 f99e 64c0 ef8f ffff 000008c > drivers/mtd/spi-nor/issi.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) ______________________________________________________ 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 46209C433F5 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_4B 0xec, > for erases SPINOR_OP_BE_4K_4B 0x21, and for writes SPINOR_OP_PP_4B 0x12. > > 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 9d6019 root@sama5d2-xplained:~# cat /sys/devices/platform/ahb/ahb:apb/f0020000.spi/spi_master/spi1/spi1.0/spi-nor/manufacturer issi root@sama5d2-xplained:~# cat /sys/devices/platform/ahb/ahb:apb/f0020000.spi/spi_master/spi1/spi1.0/spi-nor/partname is25lp256 root@sama5d2-xplained:~# cat /sys/devices/platform/ahb/ahb:apb/f0020000.spi/spi_master/spi1/spi1.0/spi-nor/sfdp > sfdp-issi root@sama5d2-xplained:~# hexdump sfdp-issi 0000000 4653 5044 0106 ff01 0600 1001 0030 ff00 0000010 059d 0301 0080 0200 ffff ffff ffff ffff 0000020 ffff ffff ffff ffff ffff ffff ffff ffff 0000030 20e5 fff9 ffff 0fff eb44 6b08 3b08 bb80 0000040 fffe ffff ffff ff00 ffff eb44 200c 520f 0000050 d810 ff00 4a23 00c9 d882 ce11 cdcc 4668 0000060 757a 757a aef7 5cd5 424a ff2c 30f0 a9f2 0000070 ffff ffff ffff ffff ffff ffff ffff ffff 0000080 3600 2300 f99e 64c0 ef8f ffff 000008c > drivers/mtd/spi-nor/issi.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel