[PATCH 25/30] mtd: spi-nor: winbond: W25Q02JV-M: Fill locking information

[Miquel Raynal]

The SFDP table is pretty complete except for the locking capabilities
which must be filled manually.

Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
---
+ alias 'show_sectors=grep -A4 "locked sectors" /sys/kernel/debug/spi-nor/spi0.0/params'
+ flash_lock -u /dev/mtd0
+ flash_lock -i /dev/mtd0
Device: /dev/mtd0
Start: 0
Len: 0x10000000
Lock status: unlocked
Return code: 0
+ mtd_debug erase /dev/mtd0 0 2097152
Erased 2097152 bytes from address 0x00000000 in flash
+ mtd_debug write /dev/mtd0 0 2097152 spi_test
Copied 2097152 bytes from spi_test to address 0x00000000 in flash
+ mtd_debug read /dev/mtd0 0 2097152 spi_read
Copied 2097152 bytes from address 0x00000000 in flash to spi_read
+ sha256sum spi_read spi_test
8370dfccafceea1f6961d138d3412ce61dca4c7826d4775d3562acef2b10e3c6  spi_read
8370dfccafceea1f6961d138d3412ce61dca4c7826d4775d3562acef2b10e3c6  spi_test
+ grep -A4 'locked sectors' /sys/kernel/debug/spi-nor/spi0.0/params
locked sectors
 region (in hex)   | status   | #sectors
 ------------------+----------+---------
 00000000-0fffffff | unlocked | 4096
+ flash_lock -l /dev/mtd0
+ flash_lock -i /dev/mtd0
Device: /dev/mtd0
Start: 0
Len: 0x10000000
Lock status: locked
Return code: 1
+ mtd_debug erase /dev/mtd0 0 2097152
Erased 2097152 bytes from address 0x00000000 in flash
+ mtd_debug read /dev/mtd0 0 2097152 spi_read
Copied 2097152 bytes from address 0x00000000 in flash to spi_read
+ sha256sum spi_read spi_test
8370dfccafceea1f6961d138d3412ce61dca4c7826d4775d3562acef2b10e3c6  spi_read
8370dfccafceea1f6961d138d3412ce61dca4c7826d4775d3562acef2b10e3c6  spi_test
+ dd 'if=/dev/urandom' 'of=./spi_test2' 'bs=1M' 'count=2'
2+0 records in
2+0 records out
+ mtd_debug write /dev/mtd0 0 2097152 spi_test2
Copied 2097152 bytes from spi_test2 to address 0x00000000 in flash
+ mtd_debug read /dev/mtd0 0 2097152 spi_read2
Copied 2097152 bytes from address 0x00000000 in flash to spi_read2
+ sha256sum spi_read spi_read2 spi_test spi_test2
8370dfccafceea1f6961d138d3412ce61dca4c7826d4775d3562acef2b10e3c6  spi_read
8370dfccafceea1f6961d138d3412ce61dca4c7826d4775d3562acef2b10e3c6  spi_read2
8370dfccafceea1f6961d138d3412ce61dca4c7826d4775d3562acef2b10e3c6  spi_test
e61267bbd0864dfe7e67a8bfc0875a23308d98c7297fcf5a813830532f48c06f  spi_test2
+ grep -A4 'locked sectors' /sys/kernel/debug/spi-nor/spi0.0/params
locked sectors
 region (in hex)   | status   | #sectors
 ------------------+----------+---------
 00000000-0fffffff |   locked | 4096
+ flash_lock -u /dev/mtd0
+ cat /sys/class/mtd/mtd0/size
+ size=268435456
+ cat /sys/class/mtd/mtd0/erasesize
+ bs=65536
+ grep unlocked /sys/kernel/debug/spi-nor/spi0.0/params
+ sed -e 's/.*unlocked | //'
+ nsectors=4096
+ ss=65536
+ bps=1
+ flash_lock -u /dev/mtd0
+ flash_lock -l /dev/mtd0 268304384 2
+ grep -A4 'locked sectors' /sys/kernel/debug/spi-nor/spi0.0/params
locked sectors
 region (in hex)   | status   | #sectors
 ------------------+----------+---------
 00000000-0ffdffff | unlocked | 4094
 0ffe0000-0fffffff |   locked | 2
+ flash_lockk uu /dev/mtd0 268304384 1
+ grep -A4 'locked sectors' /sys/kernel/debug/spi-nor/spi0.0/params
locked sectors
 region (in hex)   | status   | #sectors
 ------------------+----------+---------
 00000000-0ffeffff | unlocked | 4095
 0fff0000-0fffffff |   locked | 1
+ flash_lock -u /dev/mtd0
+ flash_lock -l /dev/mtd0 260046848 128
+ grep -A4 'locked sectors' /sys/kernel/debug/spi-nor/spi0.0/params
locked sectors
 region (in hex)   | status   | #sectors
 ------------------+----------+---------
 00000000-0f7fffff | unlocked | 3968
 0f800000-0fffffff |   locked | 128
+ flash_lock -u /dev/mtd0
+ flash_lock -l /dev/mtd0 0 2
+ grep -A4 'locked sectors' /sys/kernel/debug/spi-nor/spi0.0/params
locked sectors
 region (in hex)   | status   | #sectors
 ------------------+----------+---------
 00000000-0001ffff |   locked | 2
 00020000-0fffffff | unlocked | 4094
+ flash_lock -u /dev/mtd0 65536 1
+ grep -A4 'locked sectors' /sys/kernel/debug/spi-nor/spi0.0/params
locked sectors
 region (in hex)   | status   | #sectors
 ------------------+----------+---------
 00000000-0000ffff |   locked | 1
 00010000-0fffffff | unlocked | 4095
+ all_but_one=4095
+ flash_lock -u /dev/mtd0
+ flash_lock -l /dev/mtd0 65536 4095
+ grep -A4 'locked sectors' /sys/kernel/debug/spi-nor/spi0.0/params
locked sectors
 region (in hex)   | status   | #sectors
 ------------------+----------+---------
 00000000-0000ffff | unlocked | 1
 00010000-0fffffff |   locked | 4095
+ flassh__llock u /dev/mtd0 65536 1
+ grep -A4 'locked sectors' /sys/kernel/debug/spi-nor/spi0.0/params
locked sectors
 region (in hex)   | status   | #sectors
 ------------------+----------+---------
 00000000-0001ffff | unlocked | 2
 00020000-0fffffff |   locked | 4094
+ flash_lock -u /dev/mtd0
+ flash_lock -l /dev/mtd0 0 4095
+ grep -A4 'locked sectors' /sys/kernel/debug/spi-nor/spi0.0/params
locked sectors
 region (in hex)   | status   | #sectors
 ------------------+----------+---------
 00000000-0ffeffff |   locked | 4095
 0fff0000-0fffffff | unlocked | 1
+ flash_lock -u /dev/mtd0 268304384 1
+ grep -A4 'locked sectors' /sys/kernel/debug/spi-nor/spi0.0/params
locked sectors
 region (in hex)   | status   | #sectors
 ------------------+----------+---------
 00000000-0ffdffff |   locked | 4094
 0ffe0000-0fffffff | unlocked | 2
---
 drivers/mtd/spi-nor/winbond.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mtd/spi-nor/winbond.c b/drivers/mtd/spi-nor/winbond.c
index e245ac44a5fe..ff409fbc2d38 100644
--- a/drivers/mtd/spi-nor/winbond.c
+++ b/drivers/mtd/spi-nor/winbond.c
@@ -309,6 +309,8 @@ static const struct flash_info winbond_nor_parts[] = {
 	}, {
 		/* W25Q02JV-M */
 		.id = SNOR_ID(0xef, 0x70, 0x22),
+		.flags = SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB | SPI_NOR_TB_SR_BIT6 |
+			 SPI_NOR_4BIT_BP | SPI_NOR_HAS_CMP,
 		.fixups = &winbond_nor_multi_die_fixups,
 	}, {
 		.id = SNOR_ID(0xef, 0x71, 0x19),

-- 
2.53.0