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| author | Sunil.Kumar <skumar8j@in.ibm.com> | 2016-03-28 05:39:12 -0500 |
|---|---|---|
| committer | Prachi Gupta <pragupta@us.ibm.com> | 2016-06-08 11:46:01 -0500 |
| commit | aa3aeb6f4dd59758316fd808a744f48b0c8b11ed (patch) | |
| tree | 954e19871d9705ce8503ffa80c7518d81cf10465 /sbe | |
| parent | 47a5377968c75bdbf15ab86d00c18b526b77fc71 (diff) | |
| download | talos-sbe-aa3aeb6f4dd59758316fd808a744f48b0c8b11ed.tar.gz talos-sbe-aa3aeb6f4dd59758316fd808a744f48b0c8b11ed.zip | |
Pibmem repair code
Change-Id: If2e768d82fa743241e413f619f34f33dcf8da04b
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/22517
Tested-by: Jenkins Server
Reviewed-by: SRINIVAS V. POLISETTY <srinivan@in.ibm.com>
Reviewed-by: Soma Bhanutej <soma.bhanu@in.ibm.com>
Reviewed-by: Sachin Gupta <sgupta2m@in.ibm.com>
Diffstat (limited to 'sbe')
| -rw-r--r-- | sbe/image/pm_loader.S | 4 | ||||
| -rw-r--r-- | sbe/image/pm_otprom_loader.S | 6 | ||||
| -rw-r--r-- | sbe/image/pm_pibmem_repair.S | 39 | ||||
| -rw-r--r-- | sbe/image/sbe_link.H | 3 |
4 files changed, 49 insertions, 3 deletions
diff --git a/sbe/image/pm_loader.S b/sbe/image/pm_loader.S index 1f926181..db228f12 100644 --- a/sbe/image/pm_loader.S +++ b/sbe/image/pm_loader.S @@ -13,6 +13,8 @@ .section .loader_text, "ax", @progbits + .global _pibmemRepair + __vectors: ############################################################ @@ -25,6 +27,7 @@ __system_reset: __pmLoader: + bl _pibmemRepair _liw %r3, SBE_LOADER_BASE_SECTION # Base Loader Section Location _liw %r4, SBE_LOADER_BASE_ORIGIN # dest _liw %r9, SBE_SEEPROM_BASE_ORIGIN @@ -53,3 +56,4 @@ copy_loop: .epilogue __pmLoader +#include "pm_pibmem_repair.S" diff --git a/sbe/image/pm_otprom_loader.S b/sbe/image/pm_otprom_loader.S index f98d42cc..d16849fe 100644 --- a/sbe/image/pm_otprom_loader.S +++ b/sbe/image/pm_otprom_loader.S @@ -26,7 +26,7 @@ __reserved: # 0x0040 : otprom loader ############################################################# _start: -lis r4 , 0x50 #dummy instruction +#lis r4 , 0x50 #dummy instruction .org __reserved + 0x0040 .macro .pm_otprom_fixed_system .section .fixed, "a", @progbits @@ -41,7 +41,7 @@ __seeprom3_config_reg: __otprom_magic_num: .quad 0x584950205345504D __sbe_config_reg: - .quad 0x000A800060000000 + .quad 0x000A80003C000000 .endm oos_start: #R4 --> A0000 R5 --> 5003F R6 --> C000_0818 lis r4 , 0xA @@ -70,7 +70,7 @@ oos_write_mode_reg: b oos_write_mode_done oos_load_const_brd: - lis r2 , 0x6 #load constant BRD = 6 to first 2 bytes of R2 + lis r2 , 0x3 #load constant BRD = 3 to first 2 bytes of R2 b oos_write_mode_reg oos_write_mode_done: diff --git a/sbe/image/pm_pibmem_repair.S b/sbe/image/pm_pibmem_repair.S new file mode 100644 index 00000000..26cca971 --- /dev/null +++ b/sbe/image/pm_pibmem_repair.S @@ -0,0 +1,39 @@ +#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 pm_loader + diff --git a/sbe/image/sbe_link.H b/sbe/image/sbe_link.H index 46cc9f5c..f6eac1e7 100644 --- a/sbe/image/sbe_link.H +++ b/sbe/image/sbe_link.H @@ -72,5 +72,8 @@ /// The fixed section of Otprom #define OTPROM_FIXED_SIZE (OTPROM_ORIGIN + 0x340) +/// Sbe fixed sction for the pibmem repair +#define SBE_FIXED_SECTION (SBE_SEEPROM_BASE_ORIGIN + SBE_XIP_TOC_OFFSET + 12) + #endif // __SBE_LINK_H |
