aboutsummaryrefslogtreecommitdiff
path: root/arch/blackfin/mach-common/cplbmgr.S
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-11-26 19:40:27 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-11-26 19:40:27 -0800
commitb5faa4b89e4d83203b1f44f143a351b518f7cda2 (patch)
tree1d195fa302af8f156b049fa548008360f16a78d5 /arch/blackfin/mach-common/cplbmgr.S
parenta039767f8d7eeb0731c4053d43c0d8caa27d69d0 (diff)
parent233b28a91caf7cff326e604c437a364eaf794106 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/blackfin-2.6: (56 commits) Blackfin arch: fix bug when enable uart1 with uart0 disabled => no initial console Blackfin arch: split apart dump_bfin_regs and merge/remove show_regs from process.c, which was largely duplicated Blackfin arch: use common __INIT/__FINIT defines rather than setting the .section ourselves to .init.text Blackfin arch: fix bug when sending signals with the wrong PC, cause gdb get confused Blackfin arch: Ensure we printk out strings with the proper loglevel Blackfin arch: Need to specify ax with the .init.text section, Blackfin arch: Update Kconfig to latest Blackfin silicon datasheets Blackfin arch: update defconfig files Blackfin arch: Fix typo, and add ENDPROC - no functional changes Blackfin arch: convert READY to DMA_READY as it causes build errors in common sound code otherwise Blackfin arch: add defines for the on-chip L1 ROM of BF54x Blackfin arch: cplb and map header file cleanup Blackfin arch: cleanup the cplb declares Blackfin arch: fix broken on BF52x, remove silly checks on processors for L1_SCRATCH defines Blackfin arch: add support for working around anomaly 05000312 Blackfin arch: cleanup BF54x header file and add BF547 definition Blackfin arch: fix building for BF542 processors which only have 1 TWI Blackfin arch: rename _return_from_exception to _bfin_return_from_exception and export it Blackfin arch: move EXPORT_SYMBOL() to C files where the symbol is actually defined Blackfin arch: fix bug NOR Flash MTD mount fail ...
Diffstat (limited to 'arch/blackfin/mach-common/cplbmgr.S')
-rw-r--r--arch/blackfin/mach-common/cplbmgr.S25
1 files changed, 18 insertions, 7 deletions
diff --git a/arch/blackfin/mach-common/cplbmgr.S b/arch/blackfin/mach-common/cplbmgr.S
index 946703ef48f..6f909cbfac7 100644
--- a/arch/blackfin/mach-common/cplbmgr.S
+++ b/arch/blackfin/mach-common/cplbmgr.S
@@ -73,7 +73,7 @@ ENTRY(_cplb_mgr)
/* ICPLB Miss Exception. We need to choose one of the
* currently-installed CPLBs, and replace it with one
* from the configuration table.
- */
+ */
P4.L = LO(ICPLB_FAULT_ADDR);
P4.H = HI(ICPLB_FAULT_ADDR);
@@ -222,7 +222,7 @@ ENTRY(_cplb_mgr)
/* See if failed address > start address */
CC = R4 <= R0(IU);
- IF !CC JUMP .Linext;
+ IF !CC JUMP .Linext;
/* extract page size (17:16)*/
R3 = EXTRACT(R2, R1.L) (Z);
@@ -271,16 +271,27 @@ ENTRY(_cplb_mgr)
/* FAILED CASES*/
.Lno_page_in_table:
- ( R7:4,P5:3 ) = [SP++];
R0 = CPLB_NO_ADDR_MATCH;
- RTS;
+ JUMP .Lfail_ret;
+
.Lall_locked:
- ( R7:4,P5:3 ) = [SP++];
R0 = CPLB_NO_UNLOCKED;
- RTS;
+ JUMP .Lfail_ret;
+
.Lprot_violation:
- ( R7:4,P5:3 ) = [SP++];
R0 = CPLB_PROT_VIOL;
+
+.Lfail_ret:
+ /* Make sure we turn protection/cache back on, even in the failing case */
+ BITSET(R5,ENICPLB_P);
+ CLI R2;
+ SSYNC; /* SSYNC required before writing to IMEM_CONTROL. */
+ .align 8;
+ [P4] = R5;
+ SSYNC;
+ STI R2;
+
+ ( R7:4,P5:3 ) = [SP++];
RTS;
.Ldcplb_write: