[ARM] S3C: Add UART FIFO selection during arch decompression
Add a configuration option to start the UART FIFOs during the
decompressions sequence to improve boot time when the bootloader
fails to enable the UART FIFOs.
For example, the SMDK6410 UBoot 1.1.6 leaves the FIFOs off.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/plat-s3c/Kconfig b/arch/arm/plat-s3c/Kconfig
index 31656c3..10c1dd3 100644
--- a/arch/arm/plat-s3c/Kconfig
+++ b/arch/arm/plat-s3c/Kconfig
@@ -57,6 +57,14 @@
Say y here to use the watchdog to reset the system if the
kernel decompressor detects an error during decompression.
+config S3C_BOOT_UART_FORCE_FIFO
+ bool "Force UART FIFO on during boot process"
+ depends on PLAT_S3C
+ default y
+ help
+ Say Y here to force the UART FIFOs on during the kernel
+ uncompressor
+
comment "Power management"
config S3C2410_PM_DEBUG