arm:caching define a new caching combination and use that.

This combo was taken from the startware examples.

Change-Id: I9ef8d4f4706124a6aaec72f5da65b5301c5c2301
This commit is contained in:
Kees Jongenburger 2013-09-25 10:19:46 +02:00
parent 91004287be
commit c4ffaa0afb

View file

@ -9,7 +9,7 @@ arm/vm.h
* We are using the following setup
* the system is configured to have the TRE (Tex remap enable bit) set to 0
* The TEX[2:0] B and C bits are used to determins memory attributes.
* These bits together with the S Bit (Shareability Bit) determines the
* These bits together with the S Bit (Shareability Bit) determines the
* memory attributes.
*
* The S bit is ignored when the other attribute define the memory as
@ -47,9 +47,11 @@ arm/vm.h
/* inner and outer write-back, write-allocate */
#define ARM_VM_PTE_WB (ARM_VM_PTE_TEX2 | ARM_VM_PTE_TEX0 | ARM_VM_PTE_B)
/* inner and outer write-through, no write-allocate */
#define ARM_VM_PTE_WT (ARM_VM_PTE_TEX2 | ARM_VM_PTE_TEX1 | ARM_VM_PTE_C)
#define ARM_VM_PTE_WT (ARM_VM_PTE_TEX2 | ARM_VM_PTE_TEX1 | ARM_VM_PTE_C )
/* Inner , Write through, No Write Allocate Outer - Write Back, Write Allocate */
#define ARM_VM_PTE_WTWB (ARM_VM_PTE_TEX2 | ARM_VM_PTE_TEX0 | ARM_VM_PTE_C )
#define ARM_VM_PTE_CACHED ARM_VM_PTE_WT
#define ARM_VM_PTE_CACHED ARM_VM_PTE_WTWB
/* shareable device */
#define ARM_VM_PTE_DEVICE (ARM_VM_PTE_B)
@ -73,12 +75,15 @@ arm/vm.h
#define ARM_VM_SECTION_NOTGLOBAL (1 << 17) /* Not Global */
/* inner and outer write-back, write-allocate */
#define ARM_VM_SECTION_WB (ARM_VM_SECTION_TEX2 | ARM_VM_SECTION_TEX0 | ARM_VM_SECTION_B)
#define ARM_VM_SECTION_WB (ARM_VM_SECTION_TEX2 | ARM_VM_SECTION_TEX0 | ARM_VM_SECTION_B )
/* inner and outer write-through, no write-allocate */
#define ARM_VM_SECTION_WT (ARM_VM_SECTION_TEX2 | ARM_VM_SECTION_TEX1 | ARM_VM_SECTION_C)
#define ARM_VM_SECTION_WT (ARM_VM_SECTION_TEX2 | ARM_VM_SECTION_TEX1 | ARM_VM_SECTION_C )
/* Inner , Write through, No Write Allocate Outer - Write Back, Write Allocate */
#define ARM_VM_SECTION_WTWB (ARM_VM_SECTION_TEX2 | ARM_VM_SECTION_TEX0 | ARM_VM_SECTION_C )
/* shareable device */
#define ARM_VM_SECTION_CACHED ARM_VM_SECTION_WT
#define ARM_VM_SECTION_CACHED ARM_VM_SECTION_WTWB
#define ARM_VM_SECTION_DEVICE (ARM_VM_SECTION_B)
/* Page directory specific flags. */