ARM: 7932/1: bcm: Add DEBUG_LL console support

This patch adds low level debug uart support to Broadcom mobile based
SOCs.

Signed-off-by: Christian Daudt <bcm@fixthebug.org>
Tested-by: Markus Mayer <markus.mayer@linaro.org>
Acked-by: Olof Johansson <olof@lixom.net>
Tested-by: Matt Porter <mporter@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 15 insertions, 1 deletions

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 5765abf5ce84..7f0708c238ea 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -94,6 +94,17 @@ choice
                 depends on ARCH_BCM2835
                 select DEBUG_UART_PL01X
 
+        config DEBUG_BCM_KONA_UART
+                bool "Kernel low-level debugging messages via BCM KONA UART"
+                depends on ARCH_BCM
+                select DEBUG_UART_8250
+                help
+                  Say Y here if you want kernel low-level debugging support
+                  on Broadcom SoC platforms.
+                  This low level debug works for Broadcom
+                  mobile SoCs in the Kona family of chips (e.g. bcm28155,
+                  bcm11351, etc...)
+
         config DEBUG_CLPS711X_UART1
                 bool "Kernel low-level debugging messages via UART1"
                 depends on ARCH_CLPS711X
@@ -988,6 +999,7 @@ config DEBUG_UART_PHYS
         default 0x20064000 if DEBUG_RK29_UART1 || DEBUG_RK3X_UART2
         default 0x20068000 if DEBUG_RK29_UART2 || DEBUG_RK3X_UART3
         default 0x20201000 if DEBUG_BCM2835
+        default 0x3e000000 if DEBUG_BCM_KONA_UART
         default 0x4000e400 if DEBUG_LL_UART_EFM32
         default 0x40090000 if ARCH_LPC32XX
         default 0x40100000 if DEBUG_PXA_UART1
@@ -1049,6 +1061,7 @@ config DEBUG_UART_VIRT
         default 0xfe018000 if DEBUG_MMP_UART3
         default 0xfe100000 if DEBUG_IMX23_UART || DEBUG_IMX28_UART
         default 0xfe230000 if DEBUG_PICOXCELL_UART
+        default 0xfe300000 if DEBUG_BCM_KONA_UART
         default 0xfe800000 if ARCH_IOP32X
         default 0xfeb00000 if DEBUG_HI3620_UART || DEBUG_HI3716_UART
         default 0xfeb24000 if DEBUG_RK3X_UART0
@@ -1091,7 +1104,8 @@ config DEBUG_UART_8250_WORD
         default y if DEBUG_PICOXCELL_UART || DEBUG_SOCFPGA_UART || \
                 ARCH_KEYSTONE || \
                 DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \
-                DEBUG_DAVINCI_DA8XX_UART2 || DEBUG_DAVINCI_TNETV107X_UART1
+                DEBUG_DAVINCI_DA8XX_UART2 || DEBUG_DAVINCI_TNETV107X_UART1 || \
+                DEBUG_BCM_KONA_UART
 
 config DEBUG_UART_8250_FLOW_CONTROL
         bool "Enable flow control for 8250 UART"