diff options
Diffstat (limited to 'arch/arm/mach-omap2/sram34xx.S')
| -rw-r--r-- | arch/arm/mach-omap2/sram34xx.S | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/sram34xx.S b/arch/arm/mach-omap2/sram34xx.S index 3637274af5be..25011ca2145d 100644 --- a/arch/arm/mach-omap2/sram34xx.S +++ b/arch/arm/mach-omap2/sram34xx.S @@ -32,7 +32,7 @@ #include <mach/io.h> #include "sdrc.h" -#include "cm.h" +#include "cm2xxx_3xxx.h" .text @@ -104,7 +104,14 @@ * touching the SDRAM. Until that time, users who know that their use case * can satisfy the above requirement can enable the CONFIG_OMAP3_SDRC_AC_TIMING * option. + * + * Richard Woodruff notes that any changes to this code must be carefully + * audited and tested to ensure that they don't cause a TLB miss while + * the SDRAM is inaccessible. Such a situation will crash the system + * since it will cause the ARM MMU to attempt to walk the page tables. + * These crashes may be intermittent. */ + .align 3 ENTRY(omap3_sram_configure_core_dpll) stmfd sp!, {r1-r12, lr} @ store regs to stack |
