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-rw-r--r--MAINTAINERS1
-rw-r--r--arch/arm/Kconfig.debug9
-rw-r--r--arch/arm/include/debug/at91.S (renamed from arch/arm/mach-at91/include/mach/debug-macro.S)19
3 files changed, 19 insertions, 10 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 3589d67437f8..8c25979a3c43 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -877,6 +877,7 @@ F: arch/arm/boot/dts/at91*.dts
F: arch/arm/boot/dts/at91*.dtsi
F: arch/arm/boot/dts/sama*.dts
F: arch/arm/boot/dts/sama*.dtsi
+F: arch/arm/include/debug/at91.S
ARM/ATMEL AT91 Clock Support
M: Boris Brezillon <boris.brezillon@free-electrons.com>
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 5ddd4906f7a7..e34d24949c6a 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -115,15 +115,18 @@ choice
0x80024000 | 0xf0024000 | UART9
config AT91_DEBUG_LL_DBGU0
- bool "Kernel low-level debugging on rm9200, 9260/9g20, 9261/9g10 and 9rl"
+ bool "Kernel low-level debugging on rm9200, 9260/9g20, 9261/9g10, 9rl, 9x5, 9n12"
+ select DEBUG_AT91_UART
depends on HAVE_AT91_DBGU0
config AT91_DEBUG_LL_DBGU1
- bool "Kernel low-level debugging on 9263 and 9g45"
+ bool "Kernel low-level debugging on 9263, 9g45 and sama5d3"
+ select DEBUG_AT91_UART
depends on HAVE_AT91_DBGU1
config AT91_DEBUG_LL_DBGU2
bool "Kernel low-level debugging on sama5d4"
+ select DEBUG_AT91_UART
depends on HAVE_AT91_DBGU2
config DEBUG_BCM2835
@@ -1165,6 +1168,8 @@ config DEBUG_LL_INCLUDE
string
default "debug/sa1100.S" if DEBUG_SA1100
default "debug/8250.S" if DEBUG_LL_UART_8250 || DEBUG_UART_8250
+ default "debug/at91.S" if AT91_DEBUG_LL_DBGU0 || AT91_DEBUG_LL_DBGU1 || \
+ AT91_DEBUG_LL_DBGU2
default "debug/asm9260.S" if DEBUG_ASM9260_UART
default "debug/clps711x.S" if DEBUG_CLPS711X_UART1 || DEBUG_CLPS711X_UART2
default "debug/meson.S" if DEBUG_MESON_UARTAO
diff --git a/arch/arm/mach-at91/include/mach/debug-macro.S b/arch/arm/include/debug/at91.S
index 2103a90f2261..80a6501b4d50 100644
--- a/arch/arm/mach-at91/include/mach/debug-macro.S
+++ b/arch/arm/include/debug/at91.S
@@ -1,6 +1,4 @@
/*
- * arch/arm/mach-at91/include/mach/debug-macro.S
- *
* Copyright (C) 2003-2005 SAN People
*
* Debugging macro include header
@@ -11,18 +9,23 @@
*
*/
-#include <mach/hardware.h>
-#include <mach/at91_dbgu.h>
-
#if defined(CONFIG_AT91_DEBUG_LL_DBGU0)
-#define AT91_DBGU AT91_BASE_DBGU0
+#define AT91_DBGU 0xfffff200 /* AT91_BASE_DBGU0 */
#elif defined(CONFIG_AT91_DEBUG_LL_DBGU1)
-#define AT91_DBGU AT91_BASE_DBGU1
+#define AT91_DBGU 0xffffee00 /* AT91_BASE_DBGU1 */
#else
/* On sama5d4, use USART3 as low level serial console */
-#define AT91_DBGU SAMA5D4_BASE_USART3
+#define AT91_DBGU 0xfc00c000 /* SAMA5D4_BASE_USART3 */
#endif
+/* Keep in sync with mach-at91/include/mach/hardware.h */
+#define AT91_IO_P2V(x) ((x) - 0x01000000)
+
+#define AT91_DBGU_SR (0x14) /* Status Register */
+#define AT91_DBGU_THR (0x1c) /* Transmitter Holding Register */
+#define AT91_DBGU_TXRDY (1 << 1) /* Transmitter Ready */
+#define AT91_DBGU_TXEMPTY (1 << 9) /* Transmitter Empty */
+
.macro addruart, rp, rv, tmp
ldr \rp, =AT91_DBGU @ System peripherals (phys address)
ldr \rv, =AT91_IO_P2V(AT91_DBGU) @ System peripherals (virt address)