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Subject[PATCH] ARM: at91: debug: fix non MMU debug
Date
Linux may be used without MMU on atmel SoCs, fix debug in this configuration.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
---
arch/arm/include/debug/at91.S | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/arm/include/debug/at91.S b/arch/arm/include/debug/at91.S
index 80a6501b4d50..c3c45e628e33 100644
--- a/arch/arm/include/debug/at91.S
+++ b/arch/arm/include/debug/at91.S
@@ -18,8 +18,11 @@
#define AT91_DBGU 0xfc00c000 /* SAMA5D4_BASE_USART3 */
#endif

-/* Keep in sync with mach-at91/include/mach/hardware.h */
+#ifdef CONFIG_MMU
#define AT91_IO_P2V(x) ((x) - 0x01000000)
+#else
+#define AT91_IO_P2V(x) (x)
+#endif

#define AT91_DBGU_SR (0x14) /* Status Register */
#define AT91_DBGU_THR (0x1c) /* Transmitter Holding Register */
--
2.1.0


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