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-rw-r--r--arch/arm/mach-tegra/include/mach/debug-macro.S46
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/include/mach/debug-macro.S b/arch/arm/mach-tegra/include/mach/debug-macro.S
new file mode 100644
index 000000000000..55a39564b43c
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/debug-macro.S
@@ -0,0 +1,46 @@
+/*
+ * arch/arm/mach-tegra/include/mach/debug-macro.S
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ * Colin Cross <ccross@google.com>
+ * Erik Gilling <konkers@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <mach/io.h>
+
+ .macro addruart,rx, tmp
+ mrc p15, 0, \rx, c1, c0
+ tst \rx, #1 @ MMU enabled?
+ ldreq \rx, =IO_APB_PHYS @ physical
+ ldrne \rx, =IO_APB_VIRT @ virtual
+#if defined(CONFIG_TEGRA_DEBUG_UART_NONE)
+#error "A debug UART must be selected in the kernel config to use DEBUG_LL"
+#elif defined(CONFIG_TEGRA_DEBUG_UARTA)
+ orr \rx, \rx, #0x6000
+#elif defined(CONFIG_TEGRA_DEBUG_UARTB)
+ ldr \tmp, =0x6040
+ orr \rx, \rx, \tmp
+#elif defined(CONFIG_TEGRA_DEBUG_UARTC)
+ orr \rx, \rx, #0x6200
+#elif defined(CONFIG_TEGRA_DEBUG_UARTD)
+ orr \rx, \rx, #0x6300
+#elif defined(CONFIG_TEGRA_DEBUG_UARTE)
+ orr \rx, \rx, #0x6400
+#endif
+ .endm
+
+#define UART_SHIFT 2
+#include <asm/hardware/debug-8250.S>
+