ARM: debug-ll: Add support for r8a7742

Enable low-level debugging support for RZ/G1H (R8A7742). RZ/G1H uses
SCIFA2 for the debug console.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
Link: https://lore.kernel.org/r/1588197415-13747-5-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index f46e18a..26a158e 100644 (file)
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -976,6 +976,13 @@ choice
                  Say Y here if you want kernel low-level debugging support
                  via SCIF4 on Renesas RZ/G1E (R8A7745).
 
+       config DEBUG_RCAR_GEN2_SCIFA2
+               bool "Kernel low-level debugging messages via SCIFA2 on R8A7742"
+               depends on ARCH_R8A7742
+               help
+                 Say Y here if you want kernel low-level debugging support
+                 via SCIFA2 on Renesas RZ/G1H (R8A7742).
+
        config DEBUG_RMOBILE_SCIFA0
                bool "Kernel low-level debugging messages via SCIFA0 on R8A73A4"
                depends on ARCH_R8A73A4
@@ -1577,6 +1584,7 @@ config DEBUG_LL_INCLUDE
        default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF1
        default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF2
        default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIF4
+       default "debug/renesas-scif.S" if DEBUG_RCAR_GEN2_SCIFA2
        default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA0
        default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA1
        default "debug/renesas-scif.S" if DEBUG_RMOBILE_SCIFA4
@@ -1696,6 +1704,7 @@ config DEBUG_UART_PHYS
        default 0xe4007000 if DEBUG_HIP04_UART
        default 0xe6c40000 if DEBUG_RMOBILE_SCIFA0
        default 0xe6c50000 if DEBUG_RMOBILE_SCIFA1
+       default 0xe6c60000 if DEBUG_RCAR_GEN2_SCIFA2
        default 0xe6c80000 if DEBUG_RMOBILE_SCIFA4
        default 0xe6e58000 if DEBUG_RCAR_GEN2_SCIF2
        default 0xe6e60000 if DEBUG_RCAR_GEN2_SCIF0
@@ -1737,6 +1746,7 @@ config DEBUG_UART_PHYS
                DEBUG_RCAR_GEN1_SCIF0 || DEBUG_RCAR_GEN1_SCIF2 || \
                DEBUG_RCAR_GEN2_SCIF0 || DEBUG_RCAR_GEN2_SCIF1 || \
                DEBUG_RCAR_GEN2_SCIF2 || DEBUG_RCAR_GEN2_SCIF4 || \
+               DEBUG_RCAR_GEN2_SCIFA2 || \
                DEBUG_RMOBILE_SCIFA0 || DEBUG_RMOBILE_SCIFA1 || \
                DEBUG_RMOBILE_SCIFA4 || DEBUG_S3C24XX_UART || \
                DEBUG_S3C64XX_UART || \