From: Maxime Ripard <maxime.rip...@free-electrons.com>
Some mvebu boards have the UART1 more easily accessible than the other UARTs
found on the system.
Add a debug_ll option for this case.
Signed-off-by: Maxime Ripard <maxime.rip...@free-electrons.com>
Acked-by: Jason Cooper <ja...@lakedaemon.net>
Acked-by: Gregory CLEMENT <gregory.clem...@free-electrons.com>
Signed-off-by: Gregory CLEMENT <gregory.clem...@free-electrons.com>
---
arch/arm/Kconfig.debug | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index eb3991cf63ab..7bd1bbccc43c 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -489,6 +489,21 @@ choice
when u-boot hands over to the kernel, the system
silently crashes, with no serial output at all.
+ config DEBUG_MVEBU_UART1_ALTERNATE
+ bool "Kernel low-level debugging messages via MVEBU UART1 (new
bootloaders)"
+ depends on ARCH_MVEBU
+ select DEBUG_UART_8250
+ help
+ Say Y here if you want kernel low-level debugging support
+ on MVEBU based platforms on UART1.
+
+ This option should be used with the new bootloaders
+ that remap the internal registers at 0xf1000000.
+
+ If the wrong DEBUG_MVEBU_UART* option is selected,
+ when u-boot hands over to the kernel, the system
+ silently crashes, with no serial output at all.
+
config DEBUG_VF_UART
bool "Vybrid UART"
depends on SOC_VF610
@@ -1297,6 +1312,7 @@ config DEBUG_UART_PHYS
default 0xf0000be0 if ARCH_EBSA110
default 0xf040ab00 if DEBUG_BRCMSTB_UART
default 0xf1012000 if DEBUG_MVEBU_UART0_ALTERNATE
+ default 0xf1012100 if DEBUG_MVEBU_UART1_ALTERNATE
default 0xf1012000 if ARCH_DOVE || ARCH_MV78XX0 || \
ARCH_ORION5X
default 0xf7fc9000 if DEBUG_BERLIN_UART
@@ -1378,6 +1394,7 @@ config DEBUG_UART_VIRT
default 0xfeb31000 if DEBUG_KEYSTONE_UART1
default 0xfec02000 if DEBUG_SOCFPGA_UART
default 0xfec12000 if DEBUG_MVEBU_UART0 || DEBUG_MVEBU_UART0_ALTERNATE
+ default 0xfec12100 if DEBUG_MVEBU_UART1_ALTERNATE
default 0xfec20000 if DEBUG_DAVINCI_DMx_UART0
default 0xfec90000 if DEBUG_RK32_UART2
default 0xfed0c000 if DEBUG_DAVINCI_DA8XX_UART1
--
1.9.1
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