[PATCH v7 0/4] arm: Fix DEBUG_LL for multi-platform kernels (without PL01X)
From: arnd@arndb.de (Arnd Bergmann)
Date: 2014-07-15 10:32:56
Also in:
lkml
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
On Monday 14 July 2014 17:27:49 Arnd Bergmann wrote:
quoted hunk ↗ jump to hunk
Signed-off-by: Arnd Bergmann <arnd@arndb.de>diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 8f90595069a1..0f89d1b84524 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug@@ -200,6 +200,14 @@ choice Say Y here if you want the debug print routines to direct their output to the serial port in the DC21285 (Footbridge). + config DEBUG_EP93XX + bool "Kernel low-level debugging messages via ep93xx UART" + depends on ARCH_EP93XX + select DEBUG_UART_PL01X + help + Say Y here if you want kernel low-level debugging support + on Cirrus Logic EP93xx based platforms. +
FWIW, this part was broken, fixup below. The problem is that the decompress.h for ep93xx uses CONFIG_DEBUG_UART_PHYS even when DEBUG_LL is disabled.
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 362d764cd358..a99b28029983 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug@@ -1139,7 +1139,7 @@ config DEBUG_UART_PHYS default 0x80070000 if DEBUG_IMX23_UART default 0x80074000 if DEBUG_IMX28_UART default 0x80230000 if DEBUG_PICOXCELL_UART - default 0x808c0000 if DEBUG_EP93XX + default 0x808c0000 if DEBUG_EP93XX || ARCH_EP93XX default 0x90020000 if DEBUG_NSPIRE_CLASSIC_UART || DEBUG_NSPIRE_CX_UART default 0xa9a00000 if DEBUG_MSM_UART default 0xb0090000 if DEBUG_VEXPRESS_UART0_CRX
@@ -1166,7 +1166,8 @@ config DEBUG_UART_PHYS 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 || \ + ARCH_EP93XX config DEBUG_UART_VIRT hex "Virtual base address of debug UART"