summaryrefslogtreecommitdiff
path: root/arch/arm/mach-wmt/include/mach/debug-macro.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-wmt/include/mach/debug-macro.S')
-rwxr-xr-xarch/arm/mach-wmt/include/mach/debug-macro.S74
1 files changed, 74 insertions, 0 deletions
diff --git a/arch/arm/mach-wmt/include/mach/debug-macro.S b/arch/arm/mach-wmt/include/mach/debug-macro.S
new file mode 100755
index 00000000..e9337f6d
--- /dev/null
+++ b/arch/arm/mach-wmt/include/mach/debug-macro.S
@@ -0,0 +1,74 @@
+/*++
+ linux/include/asm-arm/arch-wmt/debug-macro.S
+
+ Debugging macro include header
+
+ Copyright (c) 2008 WonderMedia Technologies, Inc.
+
+ This program is free software: you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software Foundation,
+ either version 2 of the License, or (at your option) any later version.
+
+ 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.
+ You should have received a copy of the GNU General Public License along with
+ this program. If not, see <http://www.gnu.org/licenses/>.
+
+ WonderMedia Technologies, Inc.
+ 10F, 529, Chung-Cheng Road, Hsin-Tien, Taipei 231, R.O.C.
+--*/
+
+ @Current kernel I/O mmap design is phys = virt
+
+/*
+ .macro addruart,rx,rd
+ mrc p15, 0, \rx, c1, c0
+ tst \rx, #1 @ MMU enabled?
+ moveq \rx, #0xD8000000 @ Physical base address
+ movne \rx, #0xFE000000 @ Virtual base address
+ add \rx, \rx, #0x00200000 @ UART0_BASE = 0xd8200000
+ .endm
+
+ .macro senduart,rd,rx
+ ldr r4, [\rx, #0x20] @ FIFO control register
+ tst r4, #0x01 @ Check FIFOEN bit
+ strne \rd, [\rx, #0x1000] @ TX FIFO
+ streq \rd, [\rx] @ Transmit data register
+ .endm
+*/
+
+ .macro addruart,rp,rv,rx
+ ldr \rp, =0xD8000000 @ Physical base address
+ ldr \rv, =0xFE000000 @ Virtual base address
+ add \rp, \rp, #0x00200000 @ UART0_BASE = 0xd8200000
+ add \rv, \rv, #0x00200000 @ UART0_BASE = 0xfe200000
+ .endm
+
+ .macro senduart,rd,rx
+ stmfd sp!,{r4}
+
+ ldr r4, [\rx, #0x20] @ FIFO control register
+ tst r4, #0x01 @ Check FIFOEN bit
+ mov r4, #0x1000
+ strne \rd, [\rx, r4] @ TX FIFO
+ streq \rd, [\rx] @ Transmit data register
+
+ ldmfd sp!,{r4}
+ .endm
+
+
+ .macro waituart,rd,rx
+1001:
+ ldr \rd, [\rx, #0x1C] @ Status register
+ tst \rd, #2 @ Transmit busy
+ bne 1001b @ If busy then wait
+ .endm
+
+ .macro busyuart,rd,rx
+1001:
+ ldr \rd, [\rx, #0x1C] @ Status register
+ tst \rd, #2 @ Transmit busy
+ bne 1001b
+ .endm
+