diff options
Diffstat (limited to 'src/boot/pibmem_repair/scom_repair_p9/pibmem_repair.S')
| -rw-r--r-- | src/boot/pibmem_repair/scom_repair_p9/pibmem_repair.S | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/boot/pibmem_repair/scom_repair_p9/pibmem_repair.S b/src/boot/pibmem_repair/scom_repair_p9/pibmem_repair.S new file mode 100644 index 00000000..b32d5e91 --- /dev/null +++ b/src/boot/pibmem_repair/scom_repair_p9/pibmem_repair.S @@ -0,0 +1,61 @@ +/* IBM_PROLOG_BEGIN_TAG */ +/* This is an automatically generated prolog. */ +/* */ +/* $Source: src/boot/pibmem_repair/scom_repair_p9/pibmem_repair.S $ */ +/* */ +/* OpenPOWER sbe Project */ +/* */ +/* Contributors Listed Below - COPYRIGHT 2016,2018 */ +/* */ +/* */ +/* Licensed under the Apache License, Version 2.0 (the "License"); */ +/* you may not use this file except in compliance with the License. */ +/* You may obtain a copy of the License at */ +/* */ +/* http://www.apache.org/licenses/LICENSE-2.0 */ +/* */ +/* Unless required by applicable law or agreed to in writing, software */ +/* distributed under the License is distributed on an "AS IS" BASIS, */ +/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */ +/* implied. See the License for the specific language governing */ +/* permissions and limitations under the License. */ +/* */ +/* IBM_PROLOG_END_TAG */ +#include "sbe_link.H" +#include "pk.h" + +.set d0 , 0 + .text + .section .loader_text, "ax", @progbits +_pibmemRepair: + + _liw %r3, SBE_FIXED_SECTION # Fixed Section Location + _liw %r9, SBE_SEEPROM_BASE_ORIGIN + lwz r8, 0(r3) # offset of Fixed section + adde r8, r8, r9 # add base address to offset to get absolute address + lis r5, 0x8 + ori r5, r5 , 0x800B #point to repair reg 0 addr + lis r0, 0x4000 # load repair #0 with 0x4000_0000 --> enable fence and repr_mux_sel is disabled + stvd d0, 0(r5) + lvd d0, 0(r8) # r8 was pointing to attributes + stvd d0, 1(r5) # store repair reg 1 + lvd d0, 8(r8) # r8 was pointing to attributes + stvd d0, 2(r5) # store repair reg 2 + lvd d0, 16(r8) # r8 was pointing to attributes + stvd d0, 3(r5) # store repair reg 3 + lis r0, 0x8000 # load repair #0 with 0x8000_0000 --> disable fence and repr_mux_sel is enabled + stvd d0 , 0(r5) + +################################################################### +########### Update DBG_LCL_REG to enable trace #################### +################################################################### + + lis r5, 0xc000 # local_reg_addr (R5 = C0000120) + ori r5, r5, 0x0120 + andi. r0, r0, 0x0 + andi. r1, r1, 0x0 + oris r0, r0, 0x8A00 # set the bit 0 to enable the debug blot-on + stvd d0, 0(r5) # DBG_LCL_REG + + blr # back to l1_loader + |
