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authorJonathan Austin <jonathan.austin@arm.com>2012-08-30 13:46:44 +0100
committerJonathan Austin <jonathan.austin@arm.com>2013-06-07 17:02:48 +0100
commited18bdc875328921114139e17ade1d2569e82c85 (patch)
tree33a38fb5f3e0e5077af20b3faf19f795deaa1b15 /arch/arm/Kconfig.debug
parentc90ad5c940583525f46938149b91187e75acc546 (diff)
downloadlinux-ed18bdc875328921114139e17ade1d2569e82c85.tar.gz
ARM: vexpress: Add Cortex-R Series UART, selectable via DEBUG_LL
The Cortex-R series processors on Versatile Express have a different memory map to the RS1 and CA9X4 tiles. Most of the platform difference can be expressed in device-trees, but the UART definitions for LL_DEBUG cannot. This patch defines the UART location for R-Series processors on versatile-express, allowing low-level debug and output from the decompressor. These definitions are selectable via Kconfig Signed-off-by: Jonathan Austin <jonathan.austin@arm.com> CC: Pawel Moll <pawel.moll@arm.com>
Diffstat (limited to 'arch/arm/Kconfig.debug')
-rw-r--r--arch/arm/Kconfig.debug10
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 1d41908d5cd..f2623b25ff9 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -476,6 +476,13 @@ choice
of the tiles using the RS1 memory map, including all new A-class
core tiles, FPGA-based SMMs and software models.
+ config DEBUG_VEXPRESS_UART0_CRX
+ bool "Use PL011 UART0 at 0xb0090000 (Cortex-R compliant tiles)"
+ depends on ARCH_VEXPRESS && !MMU
+ help
+ This option selects UART0 at 0xb0090000. This is appropriate for
+ Cortex-R series tiles and SMMs, such as Cortex-R5 and Cortex-R7
+
config DEBUG_VT8500_UART0
bool "Use UART0 on VIA/Wondermedia SoCs"
depends on ARCH_VT8500
@@ -645,7 +652,8 @@ config DEBUG_LL_INCLUDE
default "debug/tegra.S" if DEBUG_TEGRA_UART
default "debug/ux500.S" if DEBUG_UX500_UART
default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT || \
- DEBUG_VEXPRESS_UART0_CA9 || DEBUG_VEXPRESS_UART0_RS1
+ DEBUG_VEXPRESS_UART0_CA9 || DEBUG_VEXPRESS_UART0_RS1 || \
+ DEBUG_VEXPRESS_UART0_CRX
default "debug/vt8500.S" if DEBUG_VT8500_UART0
default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1
default "mach/debug-macro.S"