diff options
Diffstat (limited to 'external/mambo/skiboot.tcl')
| -rw-r--r-- | external/mambo/skiboot.tcl | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/external/mambo/skiboot.tcl b/external/mambo/skiboot.tcl index 02a5ba9..fdcf14d 100644 --- a/external/mambo/skiboot.tcl +++ b/external/mambo/skiboot.tcl @@ -171,17 +171,37 @@ lappend compat "ibm,power8-xscom" set compat [of::encode_compat $compat] mysim of addprop $xscom_node byte_array "compatible" $compat +# Load any initramfs +set cpio_start 0x80000000 +set cpio_end $cpio_start if { [info exists env(SKIBOOT_INITRD)] } { set cpio_file $env(SKIBOOT_INITRD) set chosen_node [mysim of find_device /chosen] set cpio_size [file size $cpio_file] - set cpio_start 0x80000000 set cpio_end [expr $cpio_start + $cpio_size] mysim of addprop $chosen_node int "linux,initrd-start" $cpio_start mysim of addprop $chosen_node int "linux,initrd-end" $cpio_end mysim mcm 0 memory fread $cpio_start $cpio_size $cpio_file } +# Default NVRAM is blank and will be formatted by Skiboot if no file is provided +set fake_nvram_start $cpio_end +set fake_nvram_size 0x40000 +# Load any fake NVRAM file if provided +if { [info exists env(SKIBOOT_NVRAM)] } { + # Set up and write NVRAM file + set fake_nvram_file $env(SKIBOOT_NVRAM) + set fake_nvram_size [file size $fake_nvram_file] + mysim mcm 0 memory fread $fake_nvram_start $fake_nvram_size $fake_nvram_file +} + +# Add device tree entry for NVRAM +set reserved_memory [mysim of addchild $root_node "reserved-memory" ""] +set fake_nvram_node [mysim of addchild $reserved_memory "ibm,fake-nvram" ""] +set reg [list $fake_nvram_start $fake_nvram_size ] +mysim of addprop $fake_nvram_node array64 "reg" reg +mysim of addprop $fake_nvram_node empty "name" "ibm,fake-nvram" + # Init CPUs set pir 0 for { set c 0 } { $c < $mconf(cpus) } { incr c } { |