ARM: rockchip: add debug uart used by rk3288

The uarts on rk3288 are still compatible with the dw_8250, but located
at a different position and need DEBUG_UART_8250_WORD enabled.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Tested-by: Doug Anderson <dianders@chromium.org>
Tested-by: Will Deacon <will.deacon@arm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index a8dbf5e..8dcc00d 100644 (file)
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -613,6 +613,14 @@ choice
                  Say Y here if you want kernel low-level debugging support
                  on Rockchip based platforms.
 
+       config DEBUG_RK32_UART2
+               bool "Kernel low-level debugging messages via Rockchip RK32 UART2"
+               depends on ARCH_ROCKCHIP
+               select DEBUG_UART_8250
+               help
+                 Say Y here if you want kernel low-level debugging support
+                 on Rockchip RK32xx based platforms.
+
        config DEBUG_S3C_UART0
                depends on PLAT_SAMSUNG
                select DEBUG_EXYNOS_UART if ARCH_EXYNOS
@@ -1096,6 +1104,7 @@ config DEBUG_UART_PHYS
        default 0xf991e000 if DEBUG_QCOM_UARTDM
        default 0xfcb00000 if DEBUG_HI3620_UART
        default 0xfe800000 if ARCH_IOP32X
+       default 0xff690000 if DEBUG_RK32_UART2
        default 0xffc02000 if DEBUG_SOCFPGA_UART
        default 0xffd82340 if ARCH_IOP13XX
        default 0xfff36000 if DEBUG_HIGHBANK_UART
@@ -1152,6 +1161,7 @@ config DEBUG_UART_VIRT
        default 0xfec02000 if DEBUG_SOCFPGA_UART
        default 0xfec12000 if DEBUG_MVEBU_UART || DEBUG_MVEBU_UART_ALTERNATE
        default 0xfec20000 if DEBUG_DAVINCI_DMx_UART0
+       default 0xfec90000 if DEBUG_RK32_UART2
        default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1
        default 0xfed0d000 if DEBUG_DAVINCI_DA8XX_UART2
        default 0xfed12000 if ARCH_KIRKWOOD
@@ -1186,7 +1196,7 @@ config DEBUG_UART_8250_WORD
                ARCH_KEYSTONE || \
                DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \
                DEBUG_DAVINCI_DA8XX_UART2 || \
-               DEBUG_BCM_KONA_UART
+               DEBUG_BCM_KONA_UART || DEBUG_RK32_UART2
 
 config DEBUG_UART_8250_FLOW_CONTROL
        bool "Enable flow control for 8250 UART"