FSAS Test - XIP Prefetch disable

AM62Ax

root@am62axx-evm:~# devmem2 0x0fc10004
/dev/mem opened.
Memory mapped at address 0xffffa92c0000.
Read at address  0x0FC10004 (0xffffa92c0004): 0x00000084
root@am62axx-evm:~# mtdinfo -a
Count of MTD devices:           1
Present MTD devices:            mtd0
Sysfs interface supported:      yes

mtd0
Name:                           spi0.0
Type:                           nand
Eraseblock size:                262144 bytes, 256.0 KiB
Amount of eraseblocks:          512 (134217728 bytes, 128.0 MiB)
Minimum input/output unit size: 4096 bytes
Sub-page size:                  4096 bytes
OOB size:                       128 bytes
Character device major/minor:   90:0
Bad blocks are allowed:         true
Device is writable:             true

root@am62axx-evm:~# modprobe mtd_stresstest dev=0
[  138.247486] 
[  138.249057] =================================================
[  138.254861] mtd_stresstest: MTD device: 0
[  138.259022] mtd_stresstest: MTD device size 134217728, eraseblock size 262144, page size 4096, count of eraseblocks 512, pages per eraseblock 64, OOB size 128
[  138.278424] mtd_test: scanning for bad eraseblocks
[  138.317828] mtd_test: scanned 512 eraseblocks, 0 are bad
[  138.323158] mtd_stresstest: doing operations
[  138.327431] mtd_stresstest: 0 operations done
[  155.576337] mtd_stresstest: 1024 operations done
[  172.354708] mtd_stresstest: 2048 operations done
[  188.700673] mtd_stresstest: 3072 operations done
[  205.130626] mtd_stresstest: 4096 operations done
[  221.537101] mtd_stresstest: 5120 operations done
[  237.033928] mtd_stresstest: 6144 operations done
[  253.587215] mtd_stresstest: 7168 operations done
[  269.152689] mtd_stresstest: 8192 operations done
[  284.633393] mtd_stresstest: 9216 operations done
[  297.295455] mtd_stresstest: finished, 10000 operations done
[  297.301386] =================================================
root@am62axx-evm:~#

AM62Px

root@am62pxx-evm:~# devmem2 0x0fc10004
/dev/mem opened.
Memory mapped at address 0xffff80ee2000.
Read at address  0x0FC10004 (0xffff80ee2004): 0x00000084
root@am62pxx-evm:~# mtdinfo -a
Count of MTD devices:           7
Present MTD devices:            mtd0, mtd1, mtd2, mtd3, mtd4, mtd5, mtd6
Sysfs interface supported:      yes

mtd0
Name:                           ospi.tiboot3
Type:                           nor
Eraseblock size:                262144 bytes, 256.0 KiB
Amount of eraseblocks:          2 (524288 bytes, 512.0 KiB)
Minimum input/output unit size: 16 bytes
Sub-page size:                  16 bytes
Character device major/minor:   90:0
Bad blocks are allowed:         false
Device is writable:             true

mtd1
Name:                           ospi.tispl
Type:                           nor
Eraseblock size:                262144 bytes, 256.0 KiB
Amount of eraseblocks:          8 (2097152 bytes, 2.0 MiB)
Minimum input/output unit size: 16 bytes
Sub-page size:                  16 bytes
Character device major/minor:   90:2
Bad blocks are allowed:         false
Device is writable:             true

mtd2
Name:                           ospi.u-boot
Type:                           nor
Eraseblock size:                262144 bytes, 256.0 KiB
Amount of eraseblocks:          16 (4194304 bytes, 4.0 MiB)
Minimum input/output unit size: 16 bytes
Sub-page size:                  16 bytes
Character device major/minor:   90:4
Bad blocks are allowed:         false
Device is writable:             true

mtd3
Name:                           ospi.env
Type:                           nor
Eraseblock size:                262144 bytes, 256.0 KiB
Amount of eraseblocks:          1 (262144 bytes, 256.0 KiB)
Minimum input/output unit size: 16 bytes
Sub-page size:                  16 bytes
Character device major/minor:   90:6
Bad blocks are allowed:         false
Device is writable:             true

mtd4
Name:                           ospi.env.backup
Type:                           nor
Eraseblock size:                262144 bytes, 256.0 KiB
Amount of eraseblocks:          1 (262144 bytes, 256.0 KiB)
Minimum input/output unit size: 16 bytes
Sub-page size:                  16 bytes
Character device major/minor:   90:8
Bad blocks are allowed:         false
Device is writable:             true

mtd5
Name:                           ospi.rootfs
Type:                           nor
Eraseblock size:                262144 bytes, 256.0 KiB
Amount of eraseblocks:          223 (58458112 bytes, 55.7 MiB)
Minimum input/output unit size: 16 bytes
Sub-page size:                  16 bytes
Character device major/minor:   90:10
Bad blocks are allowed:         false
Device is writable:             true

mtd6
Name:                           ospi.phypattern
Type:                           nor
Eraseblock size:                262144 bytes, 256.0 KiB
Amount of eraseblocks:          1 (262144 bytes, 256.0 KiB)
Minimum input/output unit size: 16 bytes
Sub-page size:                  16 bytes
Character device major/minor:   90:12
Bad blocks are allowed:         false
Device is writable:             true

root@am62pxx-evm:~# modprobe mtd_stresstest dev=5
[   43.028064] 
[   43.029580] =================================================
[   43.035443] mtd_stresstest: MTD device: 5
[   43.039494] mtd_stresstest: MTD device size 58458112, eraseblock size 262144, page size 16, count of eraseblocks 223, pages per eraseblock 16384, OOB size 0
[   43.058649] mtd_stresstest: doing operations
[   43.063009] mtd_stresstest: 0 operations done
[  873.324457] mtd_stresstest: 1024 operations done
[ 1592.710585] mtd_stresstest: 2048 operations done
[ 2347.721714] mtd_stresstest: 3072 operations done
[ 3121.851728] mtd_stresstest: 4096 operations done
[ 3890.002541] mtd_stresstest: 5120 operations done
[ 4576.583394] mtd_stresstest: 6144 operations done
[ 5359.670347] mtd_stresstest: 7168 operations done
[ 6145.196972] mtd_stresstest: 8192 operations done
[ 6876.929411] mtd_stresstest: 9216 operations done
[ 7447.758379] mtd_stresstest: finished, 10000 operations done
[ 7447.764087] =================================================
root@am62pxx-evm:~#