flashrom October 2020

flashrom@flashrom.org

21 participants
18 discussions

SMBus revision 0x61 does not match known values
by Julian Labus 12 Oct '20

12 Oct '20

The flashrom program asked me to report this when I tried to check if my mainboard is supported. The mainboard is a Gigabyte X570 AORUS ELITE. $ sudo flashrom -p internal flashrom v1.2 on Linux 5.8.14-arch1-1 (x86_64) flashrom is free software, get the source code at https://flashrom.org Using clock_gettime for delay loops (clk_id: 1, resolution: 1ns). Found chipset "AMD FP4". Enabling flash write... FCH device found but SMBus revision 0x61 does not match known values. Please report this to flashrom(a)flashrom.org and include this log and the output of lspci -nnvx, thanks!. Could not determine chipset generation.PROBLEMS, continuing anyway No EEPROM/flash device found. Note: flashrom can never write if the flash chip isn't found automatically.

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Flashrom does not work on MSI x570 ace.
by 绅士无双 12 Oct '20

12 Oct '20

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Operating Systems for coreboot/flashrom/etc?
by Clay Daniels 12 Oct '20

12 Oct '20

I am a big FreeBSD fan, and also run NetBSD on an older machine. Haven't used much Linux lately but installed Ubuntu to get a lspci for flashrom use. Ubuntu is fine, but does not have superiotool available as best I see. Looking back to FreeBSD I found superiotool just where I expected, as a port to be compiled under sysutils. Works fine, but still never finds my hidden bios I will call "SPI1" for lack of a better name. Anyway, I keep looking for more tools, and have an extra disk drive for another OS if anyone has any good suggestions? Right now I'm in Ubuntu, listening to the coreboot & flashrom freenode IRC channels. Quite a lot goes on there if you catch it right. Some real sharp guys. Clay

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Chip burner CH341A commands
by Hîj Vasile 12 Oct '20

12 Oct '20

Hi Flashrom, I have a PCB of a HDD which is damaged by heat, but I was trying to read the bios chip. I have tried with CH341a Programmer 1.29 and 1.41, but I cannot find my bios 25S40A 00 LFGC. I have tried second option with Ubuntu command (installed as a subsystem of Windows). So, I am using this command sudo flashrom --programmer ch341a_spi -r bCouldn't open device 1a86:5512. Error: Programmer initialization failed. It is a because I run Ubuntu as described, the cleat not touching the pins enough or my chip is burned too? I would appreciate any help. Kind regards, Vasile

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[PATCH 1/2] meson: add missing need_raw_access
by Rosen Penev 11 Oct '20

11 Oct '20

Currently, when passing meson -Dconfig_rayer_spi=false , compilation fails as the proper headers and defines are not available. Added need_raw_access based on whichever files include hwaccess.h Signed-off-by: Rosen Penev <rosenp(a)gmail.com> --- meson.build | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/meson.build b/meson.build index 5374e87..a756c8e 100644 --- a/meson.build +++ b/meson.build @@ -127,14 +127,17 @@ endif if config_atahpt srcs += 'atahpt.c' cargs += '-DCONFIG_ATAHPT=1' + need_raw_access = true endif if config_atapromise srcs += 'atapromise.c' cargs += '-DCONFIG_ATAPROMISE=1' + need_raw_access = true endif if config_atavia srcs += 'atavia.c' cargs += '-DCONFIG_ATAVIA=1' + need_raw_access = true endif if config_buspirate_spi srcs += 'buspirate_spi.c' @@ -160,6 +163,7 @@ endif if config_drkaiser srcs += 'drkaiser.c' cargs += '-DCONFIG_DRKAISER=1' + need_raw_access = true endif if config_dummy srcs += 'dummyflasher.c' @@ -174,6 +178,7 @@ endif if config_gfxnvidia srcs += 'gfxnvidia.c' cargs += '-DCONFIG_GFXNVIDIA=1' + need_raw_access = true endif if config_raiden srcs += 'raiden_debug_spi.c' @@ -196,6 +201,7 @@ if config_internal srcs += 'wbsio_spi.c' endif config_bitbang_spi = true + need_raw_access = true cargs += '-DCONFIG_INTERNAL=1' if get_option('config_internal_dmi') # Use internal DMI/SMBIOS decoder by default instead of relying on dmidecode. @@ -205,6 +211,7 @@ endif if config_it8212 srcs += 'it8212.c' cargs += '-DCONFIG_IT8212=1' + need_raw_access = true endif if config_linux_mtd srcs += 'linux_mtd.c' @@ -221,32 +228,39 @@ endif if config_nic3com srcs += 'nic3com.c' cargs += '-DCONFIG_NIC3COM=1' + need_raw_access = true endif if config_nicintel srcs += 'nicintel.c' cargs += '-DCONFIG_NICINTEL=1' + need_raw_access = true endif if config_nicintel_eeprom srcs += 'nicintel_eeprom.c' cargs += '-DCONFIG_NICINTEL_EEPROM=1' + need_raw_access = true endif if config_nicintel_spi srcs += 'nicintel_spi.c' config_bitbang_spi = true cargs += '-DCONFIG_NICINTEL_SPI=1' + need_raw_access = true endif if config_nicnatsemi srcs += 'nicnatsemi.c' cargs += '-DCONFIG_NICNATSEMI=1' + need_raw_access = true endif if config_nicrealtek srcs += 'nicrealtek.c' cargs += '-DCONFIG_NICREALTEK=1' + need_raw_access = true endif if config_ogp_spi config_bitbang_spi = true srcs += 'ogp_spi.c' cargs += '-DCONFIG_OGP_SPI=1' + need_raw_access = true endif if config_pickit2_spi srcs += 'pickit2_spi.c' @@ -267,6 +281,7 @@ endif if config_satamv srcs += 'satamv.c' cargs += '-DCONFIG_SATAMV=1' + need_raw_access = true endif if config_satasii srcs += 'satasii.c' @@ -276,6 +291,7 @@ if config_serprog srcs += 'serprog.c' cargs += '-DCONFIG_SERPROG=1' need_serial = true + need_raw_access = true endif if config_usbblaster_spi srcs += 'usbblaster_spi.c' -- 2.26.2

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[PATCH] hwaccess: use __asm__ as is done elsewhere
by Rosen Penev 11 Oct '20

11 Oct '20

Fixes compilation under powerpc platform. Made the change for the SPARC platform as well. ../hwaccess.c: In function 'sync_primitive': ../hwaccess.c:74:2: warning: implicit declaration of function 'asm' [-Wimplicit-function-declaration] 74 | asm("eieio" : : : "memory"); | ^~~ ../hwaccess.c:74:13: error: expected ')' before ':' token 74 | asm("eieio" : : : "memory"); Signed-off-by: Rosen Penev <rosenp(a)gmail.com> --- hwaccess.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/hwaccess.c b/hwaccess.c index 48ccb34..2a39989 100644 --- a/hwaccess.c +++ b/hwaccess.c @@ -71,18 +71,18 @@ static inline void sync_primitive(void) * See also https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/Docume… */ #if IS_PPC // cf. http://lxr.free-electrons.com/source/arch/powerpc/include/asm/barrier.h - asm("eieio" : : : "memory"); + __asm__ ("eieio" : : : "memory"); #elif IS_SPARC #if defined(__sparc_v9__) || defined(__sparcv9) /* Sparc V9 CPUs support three different memory orderings that range from x86-like TSO to PowerPC-like * RMO. The modes can be switched at runtime thus to make sure we maintain the right order of access we * use the strongest hardware memory barriers that exist on Sparc V9. */ - asm volatile ("membar #Sync" ::: "memory"); + __asm__ volatile ("membar #Sync" ::: "memory"); #elif defined(__sparc_v8__) || defined(__sparcv8) /* On SPARC V8 there is no RMO just PSO and that does not apply to I/O accesses... but if V8 code is run * on V9 CPUs it might apply... or not... we issue a write barrier anyway. That's the most suitable * operation in the V8 instruction set anyway. If you know better then please tell us. */ - asm volatile ("stbar"); + __asm__ volatile ("stbar"); #else #error Unknown and/or unsupported SPARC instruction set version detected. #endif -- 2.26.2

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[PATCH] sb600
by Rene Rebe 11 Oct '20

11 Oct '20

Added AMD Ryzen 3950x X570 and AMD Ryzen 4000 Mobile PCI revisions to AMD FP4 / AM4 sb600spi.c. Trying to use flashrom to downgrade my Asus WS X570 ACE bios to a previous, more stable and performant version I just got this output: flashrom -p internal flashrom v1.2 on Linux 5.8.13-dist (x86_64) flashrom is free software, get the source code at https://flashrom.org Using clock_gettime for delay loops (clk_id: 1, resolution: 1ns). Found chipset "AMD FP4". Enabling flash write... FCH device found but SMBus revision 0x61 does not match known values. So I patched mine and a friends MSI Modern 14 Ryzen 4700 laptop revisions in and we could both read the BIOS and I also tested flashing the Asus WS X570 ACE succesfully. Signed-of-by: René Rebe <rene(a)exactcode.de> diff --git a/sb600spi.c b/sb600spi.c index 5892d57..8a3c87d 100644 --- a/sb600spi.c +++ b/sb600spi.c @@ -143,7 +143,7 @@ static int determine_generation(struct pci_dev *dev) if (rev == 0x4a) { amd_gen = CHIPSET_YANGTZE; msg_pdbg("Yangtze detected.\n"); - } else if (rev == 0x4b) { + } else if (rev == 0x4b || rev == 0x51 || rev == 0x61) { amd_gen = CHIPSET_PROMONTORY; msg_pdbg("Promontory detected.\n"); } else { -- René Rebe, ExactCODE GmbH, Lietzenburger Str. 42, DE-10789 Berlin https://exactcode.com | https://t2sde.org | https://rene.rebe.de

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Beginners-Guide-to-Using-a-CH-A-SPI-Programmer with AMD
by Clay Daniels 07 Oct '20

07 Oct '20

https://www.win-raid.com/t4287f16-GUIDE-The-Beginners-Guide-to-Using-a-CH-A… Nice article in general, but it also says: "*Note:* If you are flashing an AMD motherboard, you need to put the 1.8V adapter into the SPI, and then put the clip assembly onto that." So is this right? 3.3v for Intel, 1.8v for AMD?

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flashrom October 2020