aboutsummaryrefslogtreecommitdiff
path: root/arch/powerpc/Kconfig.debug
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/Kconfig.debug')
-rw-r--r--arch/powerpc/Kconfig.debug6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug
index 179a453f7e0..db7cc34c24d 100644
--- a/arch/powerpc/Kconfig.debug
+++ b/arch/powerpc/Kconfig.debug
@@ -225,7 +225,8 @@ config PPC_EARLY_DEBUG_44x
depends on 44x
help
Select this to enable early debugging for IBM 44x chips via the
- inbuilt serial port.
+ inbuilt serial port. If you enable this, ensure you set
+ PPC_EARLY_DEBUG_44x_PHYSLOW below to suit your target board.
config PPC_EARLY_DEBUG_40x
bool "Early serial debugging for IBM/AMCC 40x CPUs"
@@ -250,6 +251,9 @@ config PPC_EARLY_DEBUG_44x_PHYSLOW
hex "Low 32 bits of early debug UART physical address"
depends on PPC_EARLY_DEBUG_44x
default "0x40000200"
+ help
+ You probably want 0x40000200 for ebony boards and
+ 0x40000300 for taishan
config PPC_EARLY_DEBUG_44x_PHYSHIGH
hex "EPRN of early debug UART physical address"