diff options
Diffstat (limited to 'arch/arm/include/debug')
| -rw-r--r-- | arch/arm/include/debug/ks8695.S | 40 | ||||
| -rw-r--r-- | arch/arm/include/debug/netx.S | 36 |
2 files changed, 76 insertions, 0 deletions
diff --git a/arch/arm/include/debug/ks8695.S b/arch/arm/include/debug/ks8695.S new file mode 100644 index 000000000000..961da1f32ab3 --- /dev/null +++ b/arch/arm/include/debug/ks8695.S @@ -0,0 +1,40 @@ +/* + * arch/arm/include/debug/ks8695.S + * + * Copyright (C) 2006 Ben Dooks <ben@simtec.co.uk> + * Copyright (C) 2006 Simtec Electronics + * + * KS8695 - Debug macros + * + * 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. + */ + +#define KS8695_UART_PA 0x03ffe000 +#define KS8695_UART_VA 0xf00fe000 +#define KS8695_URTH (0x04) +#define KS8695_URLS (0x14) +#define URLS_URTE (1 << 6) +#define URLS_URTHRE (1 << 5) + + .macro addruart, rp, rv, tmp + ldr \rp, =KS8695_UART_PA @ physical base address + ldr \rv, =KS8695_UART_VA @ virtual base address + .endm + + .macro senduart, rd, rx + str \rd, [\rx, #KS8695_URTH] @ Write to Transmit Holding Register + .endm + + .macro busyuart, rd, rx +1001: ldr \rd, [\rx, #KS8695_URLS] @ Read Line Status Register + tst \rd, #URLS_URTE @ Holding & Shift registers empty? + beq 1001b + .endm + + .macro waituart, rd, rx +1001: ldr \rd, [\rx, #KS8695_URLS] @ Read Line Status Register + tst \rd, #URLS_URTHRE @ Holding Register empty? + beq 1001b + .endm diff --git a/arch/arm/include/debug/netx.S b/arch/arm/include/debug/netx.S new file mode 100644 index 000000000000..81e1b2af70f7 --- /dev/null +++ b/arch/arm/include/debug/netx.S @@ -0,0 +1,36 @@ +/* + * 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. + * +*/ + +#define UART_DATA 0 +#define UART_FLAG 0x18 +#define UART_FLAG_BUSY (1 << 3) + + .macro addruart, rp, rv, tmp + ldr \rp, =CONFIG_DEBUG_UART_PHYS + ldr \rv, =CONFIG_DEBUG_UART_VIRT + .endm + + .macro senduart,rd,rx + str \rd, [\rx, #UART_DATA] + .endm + + .macro busyuart,rd,rx +1002: ldr \rd, [\rx, #UART_FLAG] + tst \rd, #UART_FLAG_BUSY + bne 1002b + .endm + + .macro waituart,rd,rx +1001: ldr \rd, [\rx, #UART_FLAG] + tst \rd, #UART_FLAG_BUSY + bne 1001b + .endm |