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-rw-r--r--arch/arm/Kconfig.debug14
-rw-r--r--arch/arm/mach-prima2/include/mach/uart.h6
-rw-r--r--arch/arm/mach-prima2/include/mach/uncompress.h3
3 files changed, 23 insertions, 0 deletions
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 661030d6bc6c..00ad1f895da2 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -386,6 +386,20 @@ choice
Say Y here if you want kernel low-level debugging support
on Tegra based platforms.
+ config DEBUG_SIRFPRIMA2_UART1
+ bool "Kernel low-level debugging messages via SiRFprimaII UART1"
+ depends on ARCH_PRIMA2
+ help
+ Say Y here if you want the debug print routines to direct
+ their output to the uart1 port on SiRFprimaII devices.
+
+ config DEBUG_SIRFMARCO_UART1
+ bool "Kernel low-level debugging messages via SiRFmarco UART1"
+ depends on ARCH_MARCO
+ help
+ Say Y here if you want the debug print routines to direct
+ their output to the uart1 port on SiRFmarco devices.
+
config DEBUG_VEXPRESS_UART0_DETECT
bool "Autodetect UART0 on Versatile Express Cortex-A core tiles"
depends on ARCH_VEXPRESS && CPU_CP15_MMU
diff --git a/arch/arm/mach-prima2/include/mach/uart.h b/arch/arm/mach-prima2/include/mach/uart.h
index c98b4d5ac24a..c10510d01a44 100644
--- a/arch/arm/mach-prima2/include/mach/uart.h
+++ b/arch/arm/mach-prima2/include/mach/uart.h
@@ -10,7 +10,13 @@
#define __MACH_PRIMA2_SIRFSOC_UART_H
/* UART-1: used as serial debug port */
+#if defined(CONFIG_DEBUG_SIRFPRIMA2_UART1)
#define SIRFSOC_UART1_PA_BASE 0xb0060000
+#elif defined(CONFIG_DEBUG_SIRFMARCO_UART1)
+#define SIRFSOC_UART1_PA_BASE 0xcc060000
+#else
+#define SIRFSOC_UART1_PA_BASE 0
+#endif
#define SIRFSOC_UART1_VA_BASE SIRFSOC_VA(0x060000)
#define SIRFSOC_UART1_SIZE SZ_4K
diff --git a/arch/arm/mach-prima2/include/mach/uncompress.h b/arch/arm/mach-prima2/include/mach/uncompress.h
index 0c898fcf909c..15f3edcfbb47 100644
--- a/arch/arm/mach-prima2/include/mach/uncompress.h
+++ b/arch/arm/mach-prima2/include/mach/uncompress.h
@@ -25,6 +25,9 @@ static __inline__ void putc(char c)
* during kernel decompression, all mappings are flat:
* virt_addr == phys_addr
*/
+ if (!SIRFSOC_UART1_PA_BASE)
+ return;
+
while (__raw_readl((void __iomem *)SIRFSOC_UART1_PA_BASE + SIRFSOC_UART_TXFIFO_STATUS)
& SIRFSOC_UART1_TXFIFO_FULL)
barrier();