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authorErik Gilling <konkers@android.com>2010-01-21 16:53:02 -0800
committerErik Gilling <konkers@android.com>2010-08-05 14:51:42 -0700
commitc5f800656bc985b448b1d848d309648826536543 (patch)
treeefac337e79b73bf24ce639840e41f77bcd46d707 /arch/arm/mach-tegra/include/mach/debug-macro.S
parentcdd854bc42b5e6c79bbbc40c6600d995ffe6e747 (diff)
[ARM] tegra: initial tegra support
v2: Fixes from Mike Rapoport - remove unused header files (mach/dma.h and mach/nand.h) - remove tegra 1 references from Makefile.boot v2: fixes from Russell King - remove mach/io.h include from mach/iomap.h - fix whitespace in Kconfig v2: from Colin Cross - fix invalid immediate in debug-macro.S v3: - allow selection of multiple boards Signed-off-by: Colin Cross <ccross@android.com> Signed-off-by: Erik Gilling <konkers@android.com>
Diffstat (limited to 'arch/arm/mach-tegra/include/mach/debug-macro.S')
-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>
+