Board Asus P7P55D-E Chipset intel P55 reading works

[Stefan Zett]

sudo flashrom -V -p internal -c "MX25L1605" -r 4d.rom
flashrom v1.2 on Linux 5.4.0-91-generic (x86_64)
flashrom is free software, get the source code at https://flashrom.org

flashrom was built with libpci 3.6.4, GCC 9.2.1 20200304, little endian
Command line (7 args): flashrom -V -p internal -c MX25L1605 -r 4d.rom
Using clock_gettime for delay loops (clk_id: 1, resolution: 1ns).
Initializing internal programmer
/sys/class/mtd/mtd0 does not exist
No coreboot table found.
Using Internal DMI decoder.
DMI string chassis-type: "Desktop"
DMI string system-manufacturer: "System manufacturer"
DMI string system-product-name: "System Product Name"
DMI string system-version: "System Version"
DMI string baseboard-manufacturer: "ASUSTeK Computer INC."
DMI string baseboard-product-name: "P7P55D-E"
DMI string baseboard-version: "Rev 1.xx"
Found chipset "Intel P55" with PCI ID 8086:3b02.
This chipset is marked as untested. If you are using an up-to-date version
of flashrom *and* were (not) able to successfully update your firmware with it,
then please email a report to [e-mail] including a
verbose (-V) log.
Thank you!
Enabling flash write... Root Complex Register Block address = 0xfed1c000
GCS = 0xc65: BIOS Interface Lock-Down: enabled, Boot BIOS Straps: 0x3 (SPI)
Top Swap: not enabled
0x7fffffff/0x7fffffff FWH IDSEL: 0x0
0x7fffffff/0x7fffffff FWH IDSEL: 0x0
0x7fffffff/0x7fffffff FWH IDSEL: 0x1
0x7fffffff/0x7fffffff FWH IDSEL: 0x1
0x7fffffff/0x7fffffff FWH IDSEL: 0x2
0x7fffffff/0x7fffffff FWH IDSEL: 0x2
0x7fffffff/0x7fffffff FWH IDSEL: 0x3
0x7fffffff/0x7fffffff FWH IDSEL: 0x3
0x7fffffff/0x7fffffff FWH IDSEL: 0x4
0x7fffffff/0x7fffffff FWH IDSEL: 0x5
0x7fffffff/0x7fffffff FWH IDSEL: 0x6
0x7fffffff/0x7fffffff FWH IDSEL: 0x7
0x7fffffff/0x7fffffff FWH decode enabled
0x7fffffff/0x7fffffff FWH decode enabled
0x7fffffff/0x7fffffff FWH decode enabled
0x7fffffff/0x7fffffff FWH decode enabled
0x7fffffff/0x7fffffff FWH decode disabled
0x7fffffff/0x7fffffff FWH decode disabled
0x7fffffff/0x7fffffff FWH decode disabled
0x7fffffff/0x7fffffff FWH decode disabled
0x7fffffff/0x7fffffff FWH decode disabled
0x7fffffff/0x7fffffff FWH decode disabled
0x7fffffff/0x7fffffff FWH decode disabled
0x7fffffff/0x7fffffff FWH decode disabled
Maximum FWH chip size: 0x100000 bytes
SPI Read Configuration: prefetching enabled, caching enabled,
BIOS_CNTL = 0x0b: BIOS Lock Enable: enabled, BIOS Write Enable: enabled
Warning: Setting Bios Control at 0xdc from 0x0a to 0x09 failed.
New value is 0x0b.
SPIBAR = 0x00007fc4c1fbd000 + 0x3800
0x04: 0x6008 (HSFS)
HSFS: FDONE=0, FCERR=0, AEL=0, BERASE=1, SCIP=0, FDOPSS=1, FDV=1, FLOCKDN=0
Programming OPCODES... done
0x06: 0x0000 (HSFC)
HSFC: FGO=0, FCYCLE=0, FDBC=0, SME=0
0x50: 0x0000ffff (FRAP)
BMWAG 0x00, BMRAG 0x00, BRWA 0xff, BRRA 0xff
0x54: 0x000f0000 FREG0: Flash Descriptor region
(0x00000000-0x0000ffff) is read-write.
0x58: 0x01ff0000 FREG1: BIOS region (0x00000000-0x001fffff) is read-write.
0x5C: 0x002f0010 FREG2: Management Engine region
(0x00010000-0x0002ffff) is read-write.
0x64: 0x01ff0050 FREG4: Platform Data region (0x00050000-0x001fffff)
is read-write.
0x90: 0x04 (SSFS)
SSFS: SCIP=0, FDONE=1, FCERR=0, AEL=0
0x91: 0xf87f10 (SSFC)
SSFC: SCGO=0, ACS=0, SPOP=0, COP=1, DBC=63, SME=0, SCF=0
0x94: 0x5006     (PREOP)
0x96: 0x463b     (OPTYPE)
0x98: 0x05200302 (OPMENU)
0x9c: 0xc79f0190 (OPMENU+4)
0xa0: 0x00000000 (BBAR)
0xc4: 0x00000000 (LVSCC)
LVSCC: BES=0x0, WG=0, WSR=0, WEWS=0, EO=0x0, VCL=0
0xc8: 0x00002001 (UVSCC)
UVSCC: BES=0x1, WG=0, WSR=0, WEWS=0, EO=0x20
0xd0: 0x00000000 (FPB)
OK.
The following protocols are supported: FWH, SPI.
Probing for Macronix MX25L1605, 2048 kB: probe_spi_rdid_generic: id1
0xc2, id2 0x2015
Found Macronix flash chip "MX25L1605" (2048 kB, SPI) mapped at
physical address 0x00000000ffe00000.
Chip status register is 0x00.
Chip status register: Status Register Write Disable (SRWD, SRP, ...) is not set
Chip status register: Bit 6 is not set
Chip status register: Bit 5 is not set
Chip status register: Block Protect 2 (BP2) is not set
Chip status register: Block Protect 1 (BP1) is not set
Chip status register: Block Protect 0 (BP0) is not set
Chip status register: Write Enable Latch (WEL) is not set
Chip status register: Write In Progress (WIP/BUSY) is not set
Reading flash... done.
Restoring MMIO space at 0x7fc4c1fc08a0
Restoring MMIO space at 0x7fc4c1fc0874
Restoring MMIO space at 0x7fc4c1fc089c
Restoring MMIO space at 0x7fc4c1fc0898
Restoring MMIO space at 0x7fc4c1fc0896
Restoring MMIO space at 0x7fc4c1fc0894
Restoring PCI config space for 00:1f:0 reg 0xdc