diff options
Diffstat (limited to 'arch/arm/mach-omap2/sram34xx.S')
| -rw-r--r-- | arch/arm/mach-omap2/sram34xx.S | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/mach-omap2/sram34xx.S b/arch/arm/mach-omap2/sram34xx.S index 2c7146136342..f4a356d5d2d8 100644 --- a/arch/arm/mach-omap2/sram34xx.S +++ b/arch/arm/mach-omap2/sram34xx.S @@ -43,6 +43,7 @@ */ ENTRY(omap3_sram_configure_core_dpll) stmfd sp!, {r1-r12, lr} @ store regs to stack + dsb @ flush buffered writes to interconnect cmp r3, #0x2 blne configure_sdrc cmp r3, #0x2 @@ -58,6 +59,7 @@ ENTRY(omap3_sram_configure_core_dpll) blne wait_dll_lock cmp r3, #0x1 blne configure_sdrc + isb @ prevent speculative exec past here mov r0, #0 @ return value ldmfd sp!, {r1-r12, pc} @ restore regs and return unlock_dll: @@ -73,8 +75,6 @@ lock_dll: str r5, [r4] bx lr sdram_in_selfrefresh: - mov r5, #0x0 @ Move 0 to R5 - mcr p15, 0, r5, c7, c10, 5 @ memory barrier ldr r4, omap3_sdrc_power @ read the SDRC_POWER register ldr r5, [r4] @ read the contents of SDRC_POWER orr r5, r5, #0x40 @ enable self refresh on idle req |
