ARM: lpc18xx: define low-level debug symbol for LPC18xx/43xx

Using a dedicated symbol for low-level debugging instead of the
arch symbol will make this platform play nice when enabled on a
kernel that supports multiple platforms.

Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 1515cb642372ccedcaf9803dedcf7560d2e56ef2..2ea7f564ad986fdb01a0e92a89d36bead646c091 100644 (file)
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -433,6 +433,14 @@ choice
                  Say Y here if you want kernel low-level debugging support
                  on KS8695.
 
+       config DEBUG_LPC18XX_UART0
+               bool "Kernel low-level debugging via LPC18xx/43xx UART0"
+               depends on ARCH_LPC18XX
+               select DEBUG_UART_8250
+               help
+                 Say Y here if you want kernel low-level debugging support
+                 on NXP LPC18xx/43xx UART0.
+
        config DEBUG_MESON_UARTAO
                bool "Kernel low-level debugging via Meson6 UARTAO"
                depends on ARCH_MESON
@@ -1381,7 +1389,7 @@ config DEBUG_UART_PHYS
        default 0x20201000 if DEBUG_BCM2835
        default 0x3e000000 if DEBUG_BCM_KONA_UART
        default 0x4000e400 if DEBUG_LL_UART_EFM32
-       default 0x40081000 if ARCH_LPC18XX
+       default 0x40081000 if DEBUG_LPC18XX_UART0
        default 0x40090000 if ARCH_LPC32XX
        default 0x40100000 if DEBUG_PXA_UART1
        default 0x42000000 if ARCH_GEMINI