diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-s3c64xx/common.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/arm/mach-s3c64xx/common.c b/arch/arm/mach-s3c64xx/common.c index 13e91074308a..cb5aafcd66fb 100644 --- a/arch/arm/mach-s3c64xx/common.c +++ b/arch/arm/mach-s3c64xx/common.c @@ -97,7 +97,12 @@ static struct cpu_table cpu_ids[] __initdata = { /* minimal IO mapping */ -/* see notes on uart map in arch/arm/mach-s3c64xx/include/mach/debug-macro.S */ +/* + * note, for the boot process to work we have to keep the UART + * virtual address aligned to an 1MiB boundary for the L1 + * mapping the head code makes. We keep the UART virtual address + * aligned and add in the offset when we load the value here. + */ #define UART_OFFS (S3C_PA_UART & 0xfffff) static struct map_desc s3c_iodesc[] __initdata = { |