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authorBen Dooks <ben-linux@fluff.org>2007-07-22 16:08:48 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2007-07-22 16:44:27 +0100
commit498e03b619638826a7364faed61eb0a3d2a0f0c8 (patch)
treeb1bc5c8fb06328f85e02006100c1c7bbc46e5def /include/asm-arm
parentd58153d86589b6bba2dd19f4c178252f8cf2ed4f (diff)
[ARM] 4510/1: S3C: split debug-macro support into plat-s3c
Move the common parts of the debug macros into include/asm-arm/plat-s3c ready to be used for the common S3C support. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm')
-rw-r--r--include/asm-arm/arch-s3c2410/debug-macro.S52
-rw-r--r--include/asm-arm/plat-s3c/debug-macro.S57
2 files changed, 66 insertions, 43 deletions
diff --git a/include/asm-arm/arch-s3c2410/debug-macro.S b/include/asm-arm/arch-s3c2410/debug-macro.S
index 90dfba45a29..b0a44178b14 100644
--- a/include/asm-arm/arch-s3c2410/debug-macro.S
+++ b/include/asm-arm/arch-s3c2410/debug-macro.S
@@ -13,13 +13,15 @@
*/
#include <asm/arch/map.h>
-#include <asm/plat-s3c/regs-serial.h>
#include <asm/arch/regs-gpio.h>
+#include <asm/plat-s3c/regs-serial.h>
+#include <asm/plat-s3c/debug-macro.S>
+
#define S3C2410_UART1_OFF (0x4000)
#define SHIFT_2440TXF (14-9)
- .macro addruart, rx
+ .macro addruart, rx
mrc p15, 0, \rx, c1, c0
tst \rx, #1
ldreq \rx, = S3C24XX_PA_UART
@@ -27,18 +29,9 @@
#if CONFIG_DEBUG_S3C2410_UART != 0
add \rx, \rx, #(S3C2410_UART1_OFF * CONFIG_DEBUG_S3C2410_UART)
#endif
- .endm
+ .endm
- .macro senduart,rd,rx
- strb \rd, [\rx, # S3C2410_UTXH ]
- .endm
-
- .macro busyuart, rd, rx
- ldr \rd, [ \rx, # S3C2410_UFCON ]
- tst \rd, #S3C2410_UFCON_FIFOMODE @ fifo enabled?
- beq 1001f @
- @ FIFO enabled...
-1003:
+ .macro fifo_full rd, rx
@ check for arm920 vs arm926. currently assume all arm926
@ devices have an 64 byte FIFO identical to the s3c2440
mrc p15, 0, \rd, c0, c0
@@ -57,25 +50,9 @@
ldr \rd, [ \rx, # S3C2410_UFSTAT ]
moveq \rd, \rd, lsr #SHIFT_2440TXF
tst \rd, #S3C2410_UFSTAT_TXFULL
- bne 1003b
- b 1002f
-
-1001:
- @ busy waiting for non fifo
- ldr \rd, [ \rx, # S3C2410_UTRSTAT ]
- tst \rd, #S3C2410_UTRSTAT_TXFE
- beq 1001b
+ .endm
-1002: @ exit busyuart
- .endm
-
- .macro waituart,rd,rx
-
- ldr \rd, [ \rx, # S3C2410_UFCON ]
- tst \rd, #S3C2410_UFCON_FIFOMODE @ fifo enabled?
- beq 1001f @
- @ FIFO enabled...
-1003:
+ .macro fifo_level rd, rx
mrc p15, 0, \rd, c1, c0
tst \rd, #1
addeq \rd, \rx, #(S3C24XX_PA_GPIO - S3C24XX_PA_UART)
@@ -88,15 +65,4 @@
ldr \rd, [ \rx, # S3C2410_UFSTAT ]
andne \rd, \rd, #S3C2410_UFSTAT_TXMASK
andeq \rd, \rd, #S3C2440_UFSTAT_TXMASK
- teq \rd, #0
- bne 1003b
- b 1002f
-
-1001:
- @ idle waiting for non fifo
- ldr \rd, [ \rx, # S3C2410_UTRSTAT ]
- tst \rd, #S3C2410_UTRSTAT_TXFE
- beq 1001b
-
-1002: @ exit busyuart
- .endm
+ .endm
diff --git a/include/asm-arm/plat-s3c/debug-macro.S b/include/asm-arm/plat-s3c/debug-macro.S
new file mode 100644
index 00000000000..a43bbfa90a0
--- /dev/null
+++ b/include/asm-arm/plat-s3c/debug-macro.S
@@ -0,0 +1,57 @@
+/* linux/include/asm-arm/plat-s3c/debug-macro.S
+ *
+ * Copyright 2005, 2007 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * 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/plat-s3c/regs-serial.h>
+
+#define S3C2410_UART1_OFF (0x4000)
+
+ .macro senduart,rd,rx
+ strb \rd, [\rx, # S3C2410_UTXH ]
+ .endm
+
+ .macro busyuart, rd, rx
+ ldr \rd, [ \rx, # S3C2410_UFCON ]
+ tst \rd, #S3C2410_UFCON_FIFOMODE @ fifo enabled?
+ beq 1001f @
+ @ FIFO enabled...
+1003:
+ fifo_full \rd, \rx
+ bne 1003b
+ b 1002f
+
+1001:
+ @ busy waiting for non fifo
+ ldr \rd, [ \rx, # S3C2410_UTRSTAT ]
+ tst \rd, #S3C2410_UTRSTAT_TXFE
+ beq 1001b
+
+1002: @ exit busyuart
+ .endm
+
+ .macro waituart,rd,rx
+
+ ldr \rd, [ \rx, # S3C2410_UFCON ]
+ tst \rd, #S3C2410_UFCON_FIFOMODE @ fifo enabled?
+ beq 1001f @
+ @ FIFO enabled...
+1003:
+ fifo_level \rd, \rx
+ teq \rd, #0
+ bne 1003b
+ b 1002f
+1001:
+ @ idle waiting for non fifo
+ ldr \rd, [ \rx, # S3C2410_UTRSTAT ]
+ tst \rd, #S3C2410_UTRSTAT_TXFE
+ beq 1001b
+
+1002: @ exit busyuart
+ .endm