summaryrefslogtreecommitdiffstats
path: root/include/asm-arm/plat-s3c
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-arm/plat-s3c')
-rw-r--r--include/asm-arm/plat-s3c/debug-macro.S22
1 files changed, 20 insertions, 2 deletions
diff --git a/include/asm-arm/plat-s3c/debug-macro.S b/include/asm-arm/plat-s3c/debug-macro.S
index a43bbfa90a0..84c40b847da 100644
--- a/include/asm-arm/plat-s3c/debug-macro.S
+++ b/include/asm-arm/plat-s3c/debug-macro.S
@@ -11,7 +11,26 @@
#include <asm/plat-s3c/regs-serial.h>
-#define S3C2410_UART1_OFF (0x4000)
+/* The S3C2440 implementations are used by default as they are the
+ * most widely re-used */
+
+ .macro fifo_level_s3c2440 rd, rx
+ ldr \rd, [ \rx, # S3C2410_UFSTAT ]
+ and \rd, \rd, #S3C2440_UFSTAT_TXMASK
+ .endm
+
+#ifndef fifo_level
+#define fifo_level fifo_level_s3c2410
+#endif
+
+ .macro fifo_full_s3c2440 rd, rx
+ ldr \rd, [ \rx, # S3C2410_UFSTAT ]
+ tst \rd, #S3C2440_UFSTAT_TXFULL
+ .endm
+
+#ifndef fifo_full
+#define fifo_full fifo_full_s3c2440
+#endif
.macro senduart,rd,rx
strb \rd, [\rx, # S3C2410_UTXH ]
@@ -37,7 +56,6 @@
.endm
.macro waituart,rd,rx
-
ldr \rd, [ \rx, # S3C2410_UFCON ]
tst \rd, #S3C2410_UFCON_FIFOMODE @ fifo enabled?
beq 1001f @