diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-at91/include/mach/debug-macro.S')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-at91/include/mach/debug-macro.S | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-at91/include/mach/debug-macro.S b/ANDROID_3.4.5/arch/arm/mach-at91/include/mach/debug-macro.S new file mode 100644 index 00000000..c6bb9e2d --- /dev/null +++ b/ANDROID_3.4.5/arch/arm/mach-at91/include/mach/debug-macro.S @@ -0,0 +1,43 @@ +/* + * arch/arm/mach-at91/include/mach/debug-macro.S + * + * Copyright (C) 2003-2005 SAN People + * + * Debugging macro include header + * + * 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 <mach/hardware.h> +#include <mach/at91_dbgu.h> + +#if defined(CONFIG_AT91_DEBUG_LL_DBGU0) +#define AT91_DBGU AT91_BASE_DBGU0 +#else +#define AT91_DBGU AT91_BASE_DBGU1 +#endif + + .macro addruart, rp, rv, tmp + ldr \rp, =AT91_DBGU @ System peripherals (phys address) + ldr \rv, =AT91_IO_P2V(AT91_DBGU) @ System peripherals (virt address) + .endm + + .macro senduart,rd,rx + strb \rd, [\rx, #(AT91_DBGU_THR)] @ Write to Transmitter Holding Register + .endm + + .macro waituart,rd,rx +1001: ldr \rd, [\rx, #(AT91_DBGU_SR)] @ Read Status Register + tst \rd, #AT91_DBGU_TXRDY @ DBGU_TXRDY = 1 when ready to transmit + beq 1001b + .endm + + .macro busyuart,rd,rx +1001: ldr \rd, [\rx, #(AT91_DBGU_SR)] @ Read Status Register + tst \rd, #AT91_DBGU_TXEMPTY @ DBGU_TXEMPTY = 1 when transmission complete + beq 1001b + .endm + |