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ARM: at91: debug: fix non MMU debug

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Linux may be used without MMU on atmel SoCs, fix debug in this configuration.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
This commit is contained in:
Alexandre Belloni 2015-03-04 15:41:27 +01:00 committed by Nicolas Ferre
parent 2141102e04
commit 5a5a6451ac
1 changed files with 4 additions and 1 deletions
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5
arch/arm/include/debug/at91.S
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@ -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 */