* [PATCH v6 2/6] ARM: Alpine: early-debug print support
@ 2015-03-12 11:53 Tsahee Zidenberg
0 siblings, 0 replies; only message in thread
From: Tsahee Zidenberg @ 2015-03-12 11:53 UTC (permalink / raw)
To: linux-arm-kernel
Alpine platform includes UART8250 that can be used for early prints.
Signed-off-by: Saeed Bishara <saeed@annapurnalabs.com>
Signed-off-by: Tsahee Zidenberg <tsahee@annapurnalabs.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
---
arch/arm/Kconfig.debug | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 6e55ed9..0fcecbc 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -93,6 +93,14 @@ choice
prompt "Kernel low-level debugging port"
depends on DEBUG_LL
+ config DEBUG_ALPINE_UART0
+ bool "Kernel low-level debugging messages via Alpine UART0"
+ depends on ARCH_ALPINE
+ select DEBUG_UART_8250
+ help
+ Say Y here if you want kernel low-level debugging support
+ on Alpine based platforms.
+
config DEBUG_ASM9260_UART
bool "Kernel low-level debugging via asm9260 UART"
depends on MACH_ASM9260
@@ -1416,6 +1424,7 @@ config DEBUG_UART_PHYS
default 0xf8b00000 if DEBUG_HIX5HD2_UART
default 0xf991e000 if DEBUG_QCOM_UARTDM
default 0xfcb00000 if DEBUG_HI3620_UART
+ default 0xfd883000 if DEBUG_ALPINE_UART0
default 0xfe800000 if ARCH_IOP32X
default 0xff690000 if DEBUG_RK32_UART2
default 0xffc02000 if DEBUG_SOCFPGA_UART
@@ -1482,6 +1491,7 @@ config DEBUG_UART_VIRT
default 0xfd000000 if ARCH_SPEAR3XX || ARCH_SPEAR6XX
default 0xfd000000 if ARCH_SPEAR13XX
default 0xfd012000 if ARCH_MV78XX0
+ default 0xfd883000 if DEBUG_ALPINE_UART0
default 0xfde12000 if ARCH_DOVE
default 0xfe012000 if ARCH_ORION5X
default 0xf31004c0 if DEBUG_MESON_UARTAO
@@ -1542,7 +1552,7 @@ config DEBUG_UART_8250_WORD
depends on DEBUG_LL_UART_8250 || DEBUG_UART_8250
depends on DEBUG_UART_8250_SHIFT >= 2
default y if DEBUG_PICOXCELL_UART || DEBUG_SOCFPGA_UART || \
- ARCH_KEYSTONE || \
+ ARCH_KEYSTONE || DEBUG_ALPINE_UART0 || \
DEBUG_DAVINCI_DMx_UART0 || DEBUG_DAVINCI_DA8XX_UART1 || \
DEBUG_DAVINCI_DA8XX_UART2 || \
DEBUG_BCM_KONA_UART || DEBUG_RK32_UART2 || \
--
1.9.1
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2015-03-12 11:53 [PATCH v6 2/6] ARM: Alpine: early-debug print support Tsahee Zidenberg
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