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-rw-r--r--doc/README.mpc85xx54
1 files changed, 27 insertions, 27 deletions
diff --git a/doc/README.mpc85xx b/doc/README.mpc85xx
index 2753b45b0b..5a4b591a89 100644
--- a/doc/README.mpc85xx
+++ b/doc/README.mpc85xx
@@ -26,15 +26,15 @@ Major Config Switches during various boot Modes
----------------------------------------------
NOR boot
- !defined(CONFIG_SYS_RAMBOOT)
+ !defined(CONFIG_SYS_RAMBOOT)
NOR boot Secure
- !defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SECURE_BOOT)
+ !defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SECURE_BOOT)
RAMBOOT(SD, SPI & NAND boot)
- defined(CONFIG_SYS_RAMBOOT)
+ defined(CONFIG_SYS_RAMBOOT)
RAMBOOT Secure (SD, SPI & NAND)
- defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SECURE_BOOT)
+ defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SECURE_BOOT)
NAND SPL BOOT
- defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_NAND_SPL)
+ defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_NAND_SPL)
TLB Entries during u-boot execution
@@ -45,44 +45,44 @@ Note: Sequence number is in order of execution
A) defined(CONFIG_SYS_RAMBOOT) i.e. SD, SPI, NAND RAMBOOT & NAND_SPL boot
1) TLB entry to overcome e500 v1/v2 debug restriction
- Location : Label "_start_e500"
+ Location : Label "_start_e500"
TLB Entry : CONFIG_SYS_PPC_E500_DEBUG_TLB
EPN -->RPN : CONFIG_SYS_MONITOR_BASE --> CONFIG_SYS_MONITOR_BASE
Properties : 256K, AS0, I, IPROT
2) TLB entry for working in AS1
- Location : Label "create_init_ram_area"
+ Location : Label "create_init_ram_area"
TLB Entry : 15
EPN -->RPN : CONFIG_SYS_MONITOR_BASE --> CONFIG_SYS_MONITOR_BASE
Properties : 1M, AS1, I, G, IPROT
3) TLB entry for the stack during AS1
- Location : Lable "create_init_ram_area"
+ Location : Lable "create_init_ram_area"
TLB Entry : 14
EPN -->RPN : CONFIG_SYS_INIT_RAM_ADDR --> CONFIG_SYS_INIT_RAM_ADDR
Properties : 16K, AS1, IPROT
4) TLB entry for CCSRBAR during AS1 execution
- Location : cpu_init_early_f
+ Location : cpu_init_early_f
TLB Entry : 13
EPN -->RPN : CONFIG_SYS_CCSRBAR --> CONFIG_SYS_CCSRBAR
Properties : 1M, AS1, I, G
5) Invalidate unproctected TLB Entries
- Location : cpu_init_early_f
+ Location : cpu_init_early_f
Invalidated: 13
6) Create TLB entries as per boards/freescale/<board>/tlb.c
- Location : cpu_init_early_f --> init_tlbs()
+ Location : cpu_init_early_f --> init_tlbs()
Properties : ..., AS0, ...
Please note It can overwrites previous TLB Entries.
7) Disable TLB Entries of AS1
- Location : cpu_init_f --> disable_tlb()
- Disable : 15, 14
+ Location : cpu_init_f --> disable_tlb()
+ Disable : 15, 14
8) Update Flash's TLB entry
- Location : Board_init_r
+ Location : Board_init_r
TLB entry : Search from TLB entries
EPN -->RPN : CONFIG_SYS_FLASH_BASE --> CONFIG_SYS_FLASH_BASE_PHYS
Properties : Board specific size, AS0, I, G, IPROT
@@ -91,7 +91,7 @@ A) defined(CONFIG_SYS_RAMBOOT) i.e. SD, SPI, NAND RAMBOOT & NAND_SPL boot
B) !defined(CONFIG_SYS_RAMBOOT) i.e. NOR boot
1) TLB entry to overcome e500 v1/v2 debug restriction
- Location : Label "_start_e500"
+ Location : Label "_start_e500"
TLB Entry : CONFIG_SYS_PPC_E500_DEBUG_TLB
#if defined(CONFIG_SECURE_BOOT)
EPN -->RPN : CONFIG_SYS_MONITOR_BASE --> CONFIG_SYS_PBI_FLASH_WINDOW
@@ -102,7 +102,7 @@ B) !defined(CONFIG_SYS_RAMBOOT) i.e. NOR boot
#endif
2) TLB entry for working in AS1
- Location : Label "create_init_ram_area"
+ Location : Label "create_init_ram_area"
TLB Entry : 15
#if defined(CONFIG_SECURE_BOOT)
EPN -->RPN : CONFIG_SYS_MONITOR_BASE --> CONFIG_SYS_PBI_FLASH_WINDOW
@@ -113,54 +113,54 @@ B) !defined(CONFIG_SYS_RAMBOOT) i.e. NOR boot
#endif
3) TLB entry for the stack during AS1
- Location : Lable "create_init_ram_area"
+ Location : Lable "create_init_ram_area"
TLB Entry : 14
EPN -->RPN : CONFIG_SYS_INIT_RAM_ADDR --> CONFIG_SYS_INIT_RAM_ADDR
Properties : 16K, AS1, IPROT
4) TLB entry for CCSRBAR during AS1 execution
- Location : cpu_init_early_f
+ Location : cpu_init_early_f
TLB Entry : 13
EPN -->RPN : CONFIG_SYS_CCSRBAR --> CONFIG_SYS_CCSRBAR
Properties : 1M, AS1, I, G
5) TLB entry for Errata workaround CONFIG_SYS_FSL_ERRATUM_IFC_A003399
- Location : cpu_init_early_f
+ Location : cpu_init_early_f
TLB Entry : 9
EPN -->RPN : SRAM_BASE_ADDR --> SRAM_BASE_ADDR
Properties : 1M, AS1, I
6) CONFIG_SYS_FSL_ERRATUM_IFC_A003399 Adjust flash's phys addr
- Location : cpu_init_early_f --> setup_ifc
+ Location : cpu_init_early_f --> setup_ifc
TLB Entry : Get Flash TLB
EPN -->RPN : Adjusted flash_phys --> Adjusted flash_phys
Properties : 4M, AS1, I, G, IPROT
7) CONFIG_SYS_FSL_ERRATUM_IFC_A003399: E500 v1,v2 debug restriction
- Location : cpu_init_early_f --> setup_ifc
+ Location : cpu_init_early_f --> setup_ifc
TLB Entry : CONFIG_SYS_PPC_E500_DEBUG_TLB
EPN -->RPN : Adjusted flash_phys --> Adjusted flash_phys
Properties : 4M, AS0, I, G, IPROT
8) Invalidate unproctected TLB Entries
- Location : cpu_init_early_f
+ Location : cpu_init_early_f
Invalidated: 13, 9
9) Create TLB entries as per boards/freescale/<board>/tlb.c
- Location : cpu_init_early_f --> init_tlbs()
+ Location : cpu_init_early_f --> init_tlbs()
Properties : ..., AS0, ...
Note: It can overwrites previous TLB Entries
10) Disable TLB Entries of AS1
- Location : cpu_init_f --> disable_tlb()
- Disable : 15, 14
+ Location : cpu_init_f --> disable_tlb()
+ Disable : 15, 14
11) Create DDR's TLB entriy
- Location : Board_init_f -> init_func_ram -> initdram
+ Location : Board_init_f -> init_func_ram -> initdram
TLB entry : Search free TLB entry
12) Update Flash's TLB entry
- Location : Board_init_r
+ Location : Board_init_r
TLB entry : Search from TLB entries
EPN -->RPN : CONFIG_SYS_FLASH_BASE --> CONFIG_SYS_FLASH_BASE_PHYS
Properties : Board specific size, AS0, I, G, IPROT