diff options
Diffstat (limited to 'arch/arm/mach-wmt/include/mach/debug-macro.S')
-rwxr-xr-x | arch/arm/mach-wmt/include/mach/debug-macro.S | 74 |
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 + |