Message ID | 20200911143343.498-3-krzk@kernel.org |
---|---|
State | Not Applicable |
Delegated to: | David Miller |
Headers | show |
Series | [1/3] Documentation: Update paths of Samsung S3C machine files | expand |
On Fri, Sep 11, 2020 at 04:33:43PM +0200, Krzysztof Kozlowski wrote: > Documentation references notes from a removed debug-macro.S file so > bring the contents here. > > Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> > --- > arch/arm/mach-s3c/s3c64xx.c | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) Applied. Best regards, Krzysztof
diff --git a/arch/arm/mach-s3c/s3c64xx.c b/arch/arm/mach-s3c/s3c64xx.c index b5fc615a482f..4dfb648142f2 100644 --- a/arch/arm/mach-s3c/s3c64xx.c +++ b/arch/arm/mach-s3c/s3c64xx.c @@ -95,7 +95,12 @@ 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 = {
Documentation references notes from a removed debug-macro.S file so bring the contents here. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> --- arch/arm/mach-s3c/s3c64xx.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)