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authorFlorian Fainelli <f.fainelli@gmail.com>2014-01-08 09:19:50 -0800
committerFlorian Fainelli <f.fainelli@gmail.com>2014-09-17 10:56:06 -0700
commitb51312bebfa4452470c2bbf179200cb7c16d82d4 (patch)
tree9a4156a40cc948f39af584979607b6967b801ac4 /arch/arm/Kconfig.debug
parentdc6aec60e15fec86cdafc47d9fe3e2ca6c10958b (diff)
downloadlinux-next-b51312bebfa4452470c2bbf179200cb7c16d82d4.tar.gz
ARM: BCM63XX: add low-level UART debug support
Broadcom BCM63xx DSL SoCs have a different UART implementation for which we need specially crafted low-level debug assembly code to support. Add support for this using the standard definitions provided in include/linux/serial_bcm63xx.h (shared with their MIPS counterparts). Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Diffstat (limited to 'arch/arm/Kconfig.debug')
-rw-r--r--arch/arm/Kconfig.debug18
1 files changed, 16 insertions, 2 deletions
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index b11ad54f8d17..07e9dd5eda26 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -122,6 +122,11 @@ choice
mobile SoCs in the Kona family of chips (e.g. bcm28155,
bcm11351, etc...)
+ config DEBUG_BCM63XX
+ bool "Kernel low-level debugging on BCM63XX UART"
+ depends on ARCH_BCM_63XX
+ select DEBUG_UART_BCM63XX
+
config DEBUG_BERLIN_UART
bool "Marvell Berlin SoC Debug UART"
depends on ARCH_BERLIN
@@ -1038,6 +1043,7 @@ config DEBUG_LL_INCLUDE
default "debug/vf.S" if DEBUG_VF_UART
default "debug/vt8500.S" if DEBUG_VT8500_UART0
default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1
+ default "debug/bcm63xx.S" if DEBUG_UART_BCM63XX
default "mach/debug-macro.S"
# Compatibility options for PL01x
@@ -1057,6 +1063,10 @@ config DEBUG_UART_8250
ARCH_IOP33X || ARCH_IXP4XX || \
ARCH_LPC32XX || ARCH_MV78XX0 || ARCH_ORION5X || ARCH_RPC
+# Compatibility options for BCM63xx
+config DEBUG_UART_BCM63XX
+ def_bool ARCH_BCM_63XX
+
config DEBUG_UART_PHYS
hex "Physical base address of debug UART"
default 0x01c20000 if DEBUG_DAVINCI_DMx_UART0
@@ -1122,11 +1132,13 @@ config DEBUG_UART_PHYS
default 0xffc02000 if DEBUG_SOCFPGA_UART
default 0xffd82340 if ARCH_IOP13XX
default 0xfff36000 if DEBUG_HIGHBANK_UART
+ default 0xfffe8600 if DEBUG_UART_BCM63XX
default 0xfffff700 if ARCH_IOP33X
depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \
DEBUG_LL_UART_EFM32 || \
DEBUG_UART_8250 || DEBUG_UART_PL01X || \
- DEBUG_MSM_UART || DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART
+ DEBUG_MSM_UART || DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \
+ DEBUG_UART_BCM63XX
config DEBUG_UART_VIRT
hex "Virtual base address of debug UART"
@@ -1157,6 +1169,7 @@ config DEBUG_UART_VIRT
default 0xfa71e000 if DEBUG_QCOM_UARTDM
default 0xfb009000 if DEBUG_REALVIEW_STD_PORT
default 0xfb10c000 if DEBUG_REALVIEW_PB1176_PORT
+ default 0xfcfe8600 if DEBUG_UART_BCM63XX
default 0xfd000000 if ARCH_SPEAR3XX || ARCH_SPEAR6XX
default 0xfd000000 if ARCH_SPEAR13XX
default 0xfd012000 if ARCH_MV78XX0
@@ -1194,7 +1207,8 @@ config DEBUG_UART_VIRT
default DEBUG_UART_PHYS if !MMU
depends on DEBUG_LL_UART_8250 || DEBUG_LL_UART_PL01X || \
DEBUG_UART_8250 || DEBUG_UART_PL01X || \
- DEBUG_MSM_UART || DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART
+ DEBUG_MSM_UART || DEBUG_QCOM_UARTDM || DEBUG_S3C24XX_UART || \
+ DEBUG_UART_BCM63XX
config DEBUG_UART_8250_SHIFT
int "Register offset shift for the 8250 debug UART"