xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

powerpc/book3e-64: Add support to initial_tlb_book3e for non-HES TLB

Browse Source 
We now search through TLBnCFG looking for the first array that has IPROT
support (we assume that there is only one).  If that TLB has hardware
entry select (HES) support we use the existing code and with the proper
TLB select (the HES code still needs to clean up bolted entries from
firmware).  The non-HES code is pretty similiar to the 32-bit FSL Book-E
code but does make some new assumtions (like that we have tlbilx) and
simplifies things down a bit.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Kumar Gala
2009-08-18 19:08:33 +00:00
committed by Benjamin Herrenschmidt
parent 4b98d9e713
commit bb1af71ecb
2 changed files with 202 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/powerpc/include/asm/reg_booke.h
View File

@@ -108,6 +108,8 @@
#define SPRN_PID2 0x27A /* Process ID Register 2 */
#define SPRN_TLB0CFG 0x2B0 /* TLB 0 Config Register */
#define SPRN_TLB1CFG 0x2B1 /* TLB 1 Config Register */
#define SPRN_TLB2CFG 0x2B2 /* TLB 2 Config Register */
#define SPRN_TLB3CFG 0x2B3 /* TLB 3 Config Register */
#define SPRN_EPR 0x2BE /* External Proxy Register */
#define SPRN_CCR1 0x378 /* Core Configuration Register 1 */
#define SPRN_ZPR 0x3B0 /* Zone Protection Register (40x) */