diff options
Diffstat (limited to 'include/asm-arm/arch-omap/debug-macro.S')
| -rw-r--r-- | include/asm-arm/arch-omap/debug-macro.S | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/include/asm-arm/arch-omap/debug-macro.S b/include/asm-arm/arch-omap/debug-macro.S new file mode 100644 index 000000000000..83bb458afd0b --- /dev/null +++ b/include/asm-arm/arch-omap/debug-macro.S @@ -0,0 +1,45 @@ +/* linux/include/asm-arm/arch-omap/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. + * +*/ + + .macro addruart,rx + mrc p15, 0, \rx, c1, c0 + tst \rx, #1 @ MMU enabled? + moveq \rx, #0xff000000 @ physical base address + movne \rx, #0xfe000000 @ virtual base + orr \rx, \rx, #0x00fb0000 +#ifdef CONFIG_OMAP_LL_DEBUG_UART3 + orr \rx, \rx, #0x00009000 @ UART 3 +#endif +#if defined(CONFIG_OMAP_LL_DEBUG_UART2) || defined(CONFIG_OMAP_LL_DEBUG_UART3) + orr \rx, \rx, #0x00000800 @ UART 2 & 3 +#endif + .endm + + .macro senduart,rd,rx + strb \rd, [\rx] + .endm + + .macro busyuart,rd,rx +1001: ldrb \rd, [\rx, #(0x5 << 2)] @ OMAP-1510 and friends + and \rd, \rd, #0x60 + teq \rd, #0x60 + beq 1002f + ldrb \rd, [\rx, #(0x5 << 0)] @ OMAP-730 only + and \rd, \rd, #0x60 + teq \rd, #0x60 + bne 1001b +1002: + .endm + + .macro waituart,rd,rx + .endm |