diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
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committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/SLOF/INSTALL | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/SLOF/INSTALL')
-rw-r--r-- | qemu/roms/SLOF/INSTALL | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/qemu/roms/SLOF/INSTALL b/qemu/roms/SLOF/INSTALL new file mode 100644 index 000000000..058da63e1 --- /dev/null +++ b/qemu/roms/SLOF/INSTALL @@ -0,0 +1,72 @@ +Slimline Open Firmware - SLOF + +Copyright (C) 2005, 2012 IBM Corporation + + +INSTALL ON JS20/JS21 +=============================================================================== + + Detailed information about how to use SLOF on JS20 and JS21 can be found in + the document FlashingSLOF.pdf + + The JS20 and JS21 blades both have 2 "flashsides". They have a 8MB flash part + which is divided into a 4MB "temporary" side and a 4MB "permanent" side. + + The temporary side is the flashside used for the normal operation and the + permanent side is used as a backup if the temporary should ever fail. + + Therefore it is important that the permanent flash side is not changed so + that if ever required the original firmware can be restored. + + SLOF usually warns or in most cases does not easily allow to overwrite the + permanent side. + + !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! + !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! + ! ! + ! NOTE: WHEN FLASHING A NEW FIRMWARE IMAGE YOU MIGHT ! + ! DESTROY YOUR FIRMWARE IMAGE AND LOOSE YOUR WARRANTY! ! + ! ! + ! YOU MAY NEED TO CALL SERVICE, IF THE FIRMWARE IMAGE ! + ! IS DESTROYED ! ! + ! ! + !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! + !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! + + +REMOVING SLOF FROM JS20/JS21 +=============================================================================== + + If you want to boot the original firmware again, you need to boot the blade + from the management module. If auto-boot is enabled you have to press "s" + to reach the firmware prompt. + On the SLOF command line, type: + + 0 > other-firmware + + and it should get you back to running the original firmware. To permanently + get it back, after booting Linux from there, type + + $ update_flash -r + $ halt + + You will boot on the PERM side. To boot from the TEMP side again, you need to + restart the Blade System MGMT Processor. + + Following steps are needed on + Management Module -> Blade Tasks -> Power/Restart + + Power Off Blade + Restart Blade System Mgmt Processor + Power On Blade + + +INSTALL ON KVM/QEMU +=============================================================================== + + Recent versions of QEMU should already be shipped with a version of SLOF. + To upgrade SLOF in your QEMU installation, back-up the old firmware file + .../share/qemu/slof.bin from your QEMU installation, then simply copy the + new SLOF image (for example "boot_rom.bin" after building board-qemu) to + this location. + |