diff options
Diffstat (limited to 'arch/arm/mach-omap2/sram243x.S')
-rw-r--r-- | arch/arm/mach-omap2/sram243x.S | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/arm/mach-omap2/sram243x.S b/arch/arm/mach-omap2/sram243x.S index ab4973695c71..f9007580aea3 100644 --- a/arch/arm/mach-omap2/sram243x.S +++ b/arch/arm/mach-omap2/sram243x.S | |||
@@ -21,14 +21,20 @@ | |||
21 | * along with this program; if not, write to the Free Software | 21 | * along with this program; if not, write to the Free Software |
22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | 22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
23 | * MA 02111-1307 USA | 23 | * MA 02111-1307 USA |
24 | * | ||
25 | * Richard Woodruff notes that any changes to this code must be carefully | ||
26 | * audited and tested to ensure that they don't cause a TLB miss while | ||
27 | * the SDRAM is inaccessible. Such a situation will crash the system | ||
28 | * since it will cause the ARM MMU to attempt to walk the page tables. | ||
29 | * These crashes may be intermittent. | ||
24 | */ | 30 | */ |
25 | #include <linux/linkage.h> | 31 | #include <linux/linkage.h> |
26 | #include <asm/assembler.h> | 32 | #include <asm/assembler.h> |
27 | #include <mach/io.h> | 33 | #include <mach/io.h> |
28 | #include <mach/hardware.h> | 34 | #include <mach/hardware.h> |
29 | 35 | ||
30 | #include "prm.h" | 36 | #include "prm2xxx_3xxx.h" |
31 | #include "cm.h" | 37 | #include "cm2xxx_3xxx.h" |
32 | #include "sdrc.h" | 38 | #include "sdrc.h" |
33 | 39 | ||
34 | .text | 40 | .text |