diff options
Diffstat (limited to 'flashrom.8')
| -rw-r--r-- | flashrom.8 | 47 |
1 files changed, 46 insertions, 1 deletions
@@ -306,7 +306,7 @@ can be any comma-separated combination of Example: .B "flashrom \-p dummy:lpc,fwh" .TP -.BR "nic3com" , " nicrealtek" , " nicsmc1211" , " gfxnvidia" , " satasii\ +.BR "nic3com" , " nicrealtek" , " nicsmc1211" , " gfxnvidia" , " satasii \ " and " atahpt " programmers These programmers have an option to specify the PCI address of the card your want to use, which must be specified if more than one card supported @@ -391,6 +391,51 @@ can be any of .SH EXIT STATUS flashrom exits with 0 on success, 1 on most failures but with 2 if /dev/mem (/dev/xsvc on Solaris) can not be opened and with 3 if a call to mmap() fails. +.SH REQUIREMENTS +flashrom needs different access permissions for different programmers. +.sp +.B internal +needs raw memory access, PCI configuration space access, raw I/O port +access (x86) and MSR access (x86). +.sp +.B it87spi +needs raw I/O port access (x86). +.sp +.BR nic3com ", " nicrealtek ", " nicsmc1211 " and " nicnatsemi " +need PCI configuration space read access and raw I/O port access. +.sp +.B atahpt +needs PCI configuration space access and raw I/O port access. +.sp +.BR gfxnvidia " and " drkaiser +need PCI configuration space access and raw memory access. +.sp +.B satasii +needs PCI configuration space read access and raw memory access. +.sp +.B serprog +needs TCP access to the network or userspace access to a serial port. +.sp +.B buspirate_spi +needs userspace access to a serial port. +.sp +.BR dediprog " and " ft2232_spi +need access to the USB device via libusb. +.sp +.B dummy +needs no access permissions at all. +.sp +.BR internal ", " it87spi ", " nic3com ", " nicrealtek ", " nicsmc1211 ", " +.BR nicnatsemi ", " "gfxnvidia" ", " drkaiser ", " satasii " and " atahpt +have to be run as superuser/root, and need additional raw access permission. +.sp +.BR serprog ", " buspirate_spi ", " dediprog " and " ft2232_spi +can be run as normal user on most operating systems if appropriate device +permissions are set. +.sp +On OpenBSD, you can obtain raw access permission by setting +securelevel=-1 in /etc/rc.securelevel and rebooting, or rebooting into single +user mode. .SH BUGS Please report any bugs at .sp |
