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authorRussell King <rmk+kernel@arm.linux.org.uk>2013-07-07 00:11:35 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2013-08-25 17:11:02 +0100
commit2facbc88733b34e1f992cde054c88b8e07607043 (patch)
tree5c0a61096777f07291b0e7db3c49a4d05441aa38 /arch/arm/include/debug
parentARM: debug: provide 8250 debug uart phys/virt address configuration options (diff)
downloadlinux-dev-2facbc88733b34e1f992cde054c88b8e07607043.tar.xz
linux-dev-2facbc88733b34e1f992cde054c88b8e07607043.zip
ARM: debug: move 8250 debug include into arch/arm/include/debug/
Now that the 8250 debug include can stand alone without requiring platforms to provide any macros, move it into the debug directory so it can be directly included. This allows us to get rid of a lot of debug-macros include files. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include/debug')
-rw-r--r--arch/arm/include/debug/8250.S36
-rw-r--r--arch/arm/include/debug/mvebu.S13
-rw-r--r--arch/arm/include/debug/nspire.S4
-rw-r--r--arch/arm/include/debug/pxa.S13
-rw-r--r--arch/arm/include/debug/rockchip.S12
-rw-r--r--arch/arm/include/debug/sunxi.S12
6 files changed, 36 insertions, 54 deletions
diff --git a/arch/arm/include/debug/8250.S b/arch/arm/include/debug/8250.S
new file mode 100644
index 000000000000..92cab395677a
--- /dev/null
+++ b/arch/arm/include/debug/8250.S
@@ -0,0 +1,36 @@
+/*
+ * arch/arm/include/debug/8250.S
+ *
+ * Copyright (C) 1994-2013 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/serial_reg.h>
+
+ .macro addruart, rp, rv, tmp
+ ldr \rp, =CONFIG_DEBUG_UART_PHYS
+ ldr \rv, =CONFIG_DEBUG_UART_VIRT
+ .endm
+
+#define UART_SHIFT CONFIG_DEBUG_UART_8250_SHIFT
+
+ .macro senduart,rd,rx
+ strb \rd, [\rx, #UART_TX << UART_SHIFT]
+ .endm
+
+ .macro busyuart,rd,rx
+1002: ldrb \rd, [\rx, #UART_LSR << UART_SHIFT]
+ and \rd, \rd, #UART_LSR_TEMT | UART_LSR_THRE
+ teq \rd, #UART_LSR_TEMT | UART_LSR_THRE
+ bne 1002b
+ .endm
+
+ .macro waituart,rd,rx
+#ifdef CONFIG_DEBUG_UART_8250_FLOW_CONTROL
+1001: ldrb \rd, [\rx, #UART_MSR << UART_SHIFT]
+ tst \rd, #UART_MSR_CTS
+ beq 1001b
+#endif
+ .endm
diff --git a/arch/arm/include/debug/mvebu.S b/arch/arm/include/debug/mvebu.S
deleted file mode 100644
index 6309be5238e6..000000000000
--- a/arch/arm/include/debug/mvebu.S
+++ /dev/null
@@ -1,13 +0,0 @@
-/*
- * Early serial output macro for Marvell SoC
- *
- * Copyright (C) 2012 Marvell
- *
- * Lior Amsalem <alior@marvell.com>
- * Gregory Clement <gregory.clement@free-electrons.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-#include <asm/hardware/debug-8250.S>
diff --git a/arch/arm/include/debug/nspire.S b/arch/arm/include/debug/nspire.S
index 3e9329aa17b9..9c2fbeceedd0 100644
--- a/arch/arm/include/debug/nspire.S
+++ b/arch/arm/include/debug/nspire.S
@@ -19,7 +19,3 @@
#include <asm/hardware/debug-pl01x.S>
#endif
-
-#ifdef CONFIG_DEBUG_NSPIRE_CLASSIC_UART
-#include <asm/hardware/debug-8250.S>
-#endif
diff --git a/arch/arm/include/debug/pxa.S b/arch/arm/include/debug/pxa.S
deleted file mode 100644
index 09e54f357894..000000000000
--- a/arch/arm/include/debug/pxa.S
+++ /dev/null
@@ -1,13 +0,0 @@
-/*
- * Early serial output macro for Marvell PXA/MMP SoC
- *
- * Copyright (C) 1994-1999 Russell King
- * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
- *
- * Copyright (C) 2013 Haojian Zhuang
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-#include <asm/hardware/debug-8250.S>
diff --git a/arch/arm/include/debug/rockchip.S b/arch/arm/include/debug/rockchip.S
deleted file mode 100644
index 3ad023899820..000000000000
--- a/arch/arm/include/debug/rockchip.S
+++ /dev/null
@@ -1,12 +0,0 @@
-/*
- * Early serial output macro for Rockchip SoCs
- *
- * Copyright (C) 2012 Maxime Ripard
- *
- * Maxime Ripard <maxime.ripard@free-electrons.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-#include <asm/hardware/debug-8250.S>
diff --git a/arch/arm/include/debug/sunxi.S b/arch/arm/include/debug/sunxi.S
deleted file mode 100644
index 4c3d89cfeb8f..000000000000
--- a/arch/arm/include/debug/sunxi.S
+++ /dev/null
@@ -1,12 +0,0 @@
-/*
- * Early serial output macro for Allwinner A1X SoCs
- *
- * Copyright (C) 2012 Maxime Ripard
- *
- * Maxime Ripard <maxime.ripard@free-electrons.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-#include <asm/hardware/debug-8250.S>