ARM: at91: debug: add lan966 support

Add support for low-level debugging on FLEXCOM USART of
LAN966 SoC.

Signed-off-by: Kavyasree Kotagiri <[email protected]>
Reviewed-by: Michael Walle <[email protected]>
Tested-by: Michael Walle <[email protected]>
Signed-off-by: Nicolas Ferre <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 0c9497d549e39cbf55b326d4a5bf50341a4f1ad7..77b2db882e756ee139726833273069044cfa4ae5 100644 (file)
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -210,6 +210,26 @@ choice
                  Say Y here if you want kernel low-level debugging support
                  on the FLEXCOM3 port of SAMA7G5.
 
+       config DEBUG_AT91_LAN966_FLEXCOM
+               bool "Kernel low-level debugging on LAN966 FLEXCOM USART"
+               select DEBUG_AT91_UART
+               depends on SOC_LAN966
+               help
+               Say Y here if you want kernel low-level debugging support
+               on the FLEXCOM port of LAN966.
+
+               DEBUG_UART_PHYS | DEBUG_UART_VIRT
+
+               0xe0040200      | 0xfd040200     | FLEXCOM0
+               0xe0044200      | 0xfd044200     | FLEXCOM1
+               0xe0060200      | 0xfd060200     | FLEXCOM2
+               0xe0064200      | 0xfd064200     | FLEXCOM3
+               0xe0070200      | 0xfd070200     | FLEXCOM4
+
+               By default, enabling FLEXCOM3 port. Based on requirement, use
+               DEBUG_UART_PHYS and DEBUG_UART_VIRT configurations from above
+               table.
+
        config DEBUG_BCM2835
                bool "Kernel low-level debugging on BCM2835 PL011 UART"
                depends on ARCH_BCM2835 && ARCH_MULTI_V6
@@ -1685,6 +1705,7 @@ config DEBUG_UART_PHYS
        default 0xd4017000 if DEBUG_MMP_UART2
        default 0xd4018000 if DEBUG_MMP_UART3
        default 0xe0000000 if DEBUG_SPEAR13XX
+       default 0xe0064200 if DEBUG_AT91_LAN966_FLEXCOM
        default 0xe1824200 if DEBUG_AT91_SAMA7G5_FLEXCOM3
        default 0xe4007000 if DEBUG_HIP04_UART
        default 0xe6c40000 if DEBUG_RMOBILE_SCIFA0
@@ -1805,6 +1826,7 @@ config DEBUG_UART_VIRT
        default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT
        default 0xfcfe8600 if DEBUG_BCM63XX_UART
        default 0xfd000000 if DEBUG_SPEAR3XX || DEBUG_SPEAR13XX
+       default 0xfd064200 if DEBUG_AT91_LAN966_FLEXCOM
        default 0xfd531000 if DEBUG_STIH41X_SBC_ASC1
        default 0xfd883000 if DEBUG_ALPINE_UART0
        default 0xfdd32000 if DEBUG_STIH41X_ASC2