diff options
Diffstat (limited to 'arch/blackfin/mach-common/entry.S')
-rw-r--r-- | arch/blackfin/mach-common/entry.S | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S index 4e8e3fe0ba1c..e7eb16355f74 100644 --- a/arch/blackfin/mach-common/entry.S +++ b/arch/blackfin/mach-common/entry.S | |||
@@ -397,8 +397,7 @@ ENTRY(_double_fault) | |||
397 | 397 | ||
398 | R5 = [P4]; /* Control Register*/ | 398 | R5 = [P4]; /* Control Register*/ |
399 | BITCLR(R5,ENICPLB_P); | 399 | BITCLR(R5,ENICPLB_P); |
400 | SSYNC; /* SSYNC required before writing to IMEM_CONTROL. */ | 400 | CSYNC; /* Disabling of CPLBs should be proceeded by a CSYNC */ |
401 | .align 8; | ||
402 | [P4] = R5; | 401 | [P4] = R5; |
403 | SSYNC; | 402 | SSYNC; |
404 | 403 | ||
@@ -406,8 +405,7 @@ ENTRY(_double_fault) | |||
406 | P4.H = HI(DMEM_CONTROL); | 405 | P4.H = HI(DMEM_CONTROL); |
407 | R5 = [P4]; | 406 | R5 = [P4]; |
408 | BITCLR(R5,ENDCPLB_P); | 407 | BITCLR(R5,ENDCPLB_P); |
409 | SSYNC; /* SSYNC required before writing to DMEM_CONTROL. */ | 408 | CSYNC; /* Disabling of CPLBs should be proceeded by a CSYNC */ |
410 | .align 8; | ||
411 | [P4] = R5; | 409 | [P4] = R5; |
412 | SSYNC; | 410 | SSYNC; |
413 | 411 | ||
@@ -1146,9 +1144,7 @@ ENTRY(_early_trap) | |||
1146 | 1144 | ||
1147 | R5 = [P4]; /* Control Register*/ | 1145 | R5 = [P4]; /* Control Register*/ |
1148 | BITCLR(R5,ENICPLB_P); | 1146 | BITCLR(R5,ENICPLB_P); |
1149 | CLI R1; | 1147 | CSYNC; /* Disabling of CPLBs should be proceeded by a CSYNC */ |
1150 | SSYNC; /* SSYNC required before writing to IMEM_CONTROL. */ | ||
1151 | .align 8; | ||
1152 | [P4] = R5; | 1148 | [P4] = R5; |
1153 | SSYNC; | 1149 | SSYNC; |
1154 | 1150 | ||
@@ -1156,11 +1152,9 @@ ENTRY(_early_trap) | |||
1156 | P4.H = HI(DMEM_CONTROL); | 1152 | P4.H = HI(DMEM_CONTROL); |
1157 | R5 = [P4]; | 1153 | R5 = [P4]; |
1158 | BITCLR(R5,ENDCPLB_P); | 1154 | BITCLR(R5,ENDCPLB_P); |
1159 | SSYNC; /* SSYNC required before writing to DMEM_CONTROL. */ | 1155 | CSYNC; /* Disabling of CPLBs should be proceeded by a CSYNC */ |
1160 | .align 8; | ||
1161 | [P4] = R5; | 1156 | [P4] = R5; |
1162 | SSYNC; | 1157 | SSYNC; |
1163 | STI R1; | ||
1164 | 1158 | ||
1165 | r0 = sp; /* stack frame pt_regs pointer argument ==> r0 */ | 1159 | r0 = sp; /* stack frame pt_regs pointer argument ==> r0 */ |
1166 | r1 = RETX; | 1160 | r1 = RETX; |