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ARM: Alpine: early-debug print support 

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>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Tsahee Zidenberg 2015-03-12 13:53:04 +02:00 committed by Arnd Bergmann
parent 445d9b3060
commit 3c215e64eb
1 changed files with 11 additions and 1 deletions
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12
arch/arm/Kconfig.debug
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@ -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
@ -1417,6 +1425,7 @@ 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
@ -1483,6 +1492,7 @@ 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
@ -1543,7 +1553,7 @@ 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 || \