diff options
Diffstat (limited to 'arch/arm/mach-h720x/include/mach/debug-macro.S')
| -rw-r--r-- | arch/arm/mach-h720x/include/mach/debug-macro.S | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/arm/mach-h720x/include/mach/debug-macro.S b/arch/arm/mach-h720x/include/mach/debug-macro.S new file mode 100644 index 00000000000..6294a1344dd --- /dev/null +++ b/arch/arm/mach-h720x/include/mach/debug-macro.S @@ -0,0 +1,40 @@ +/* arch/arm/mach-h720x/include/mach/debug-macro.S + * + * Debugging macro include header + * + * Copyright (C) 1994-1999 Russell King + * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks + * + * 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. + * +*/ + + .equ io_virt, IO_BASE + .equ io_phys, IO_START + + .macro addruart,rx + mrc p15, 0, \rx, c1, c0 + tst \rx, #1 @ MMU enabled? + moveq \rx, #io_phys @ physical base address + movne \rx, #io_virt @ virtual address + add \rx, \rx, #0x00020000 @ UART1 + .endm + + .macro senduart,rd,rx + str \rd, [\rx, #0x0] @ UARTDR + + .endm + + .macro waituart,rd,rx +1001: ldr \rd, [\rx, #0x18] @ UARTFLG + tst \rd, #1 << 5 @ UARTFLGUTXFF - 1 when full + bne 1001b + .endm + + .macro busyuart,rd,rx +1001: ldr \rd, [\rx, #0x18] @ UARTFLG + tst \rd, #1 << 3 @ UARTFLGUBUSY - 1 when busy + bne 1001b + .endm |