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- /*
- * arch/arm/include/debug/icedcc.S
- *
- * Copyright (C) 1994-1999 Russell King
- *
- * 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.
- *
- */
- @@ debug using ARM EmbeddedICE DCC channel
- .macro addruart, rp, rv, tmp
- .endm
- #if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K) || defined(CONFIG_CPU_V7)
- .macro senduart, rd, rx
- mcr p14, 0, \rd, c0, c5, 0
- .endm
- .macro busyuart, rd, rx
- 1001:
- mrc p14, 0, \rx, c0, c1, 0
- tst \rx, #0x20000000
- beq 1001b
- .endm
- .macro waituart, rd, rx
- mov \rd, #0x2000000
- 1001:
- subs \rd, \rd, #1
- bmi 1002f
- mrc p14, 0, \rx, c0, c1, 0
- tst \rx, #0x20000000
- bne 1001b
- 1002:
- .endm
- #elif defined(CONFIG_CPU_XSCALE)
- .macro senduart, rd, rx
- mcr p14, 0, \rd, c8, c0, 0
- .endm
- .macro busyuart, rd, rx
- 1001:
- mrc p14, 0, \rx, c14, c0, 0
- tst \rx, #0x10000000
- beq 1001b
- .endm
- .macro waituart, rd, rx
- mov \rd, #0x10000000
- 1001:
- subs \rd, \rd, #1
- bmi 1002f
- mrc p14, 0, \rx, c14, c0, 0
- tst \rx, #0x10000000
- bne 1001b
- 1002:
- .endm
- #else
- .macro senduart, rd, rx
- mcr p14, 0, \rd, c1, c0, 0
- .endm
- .macro busyuart, rd, rx
- 1001:
- mrc p14, 0, \rx, c0, c0, 0
- tst \rx, #2
- beq 1001b
- .endm
- .macro waituart, rd, rx
- mov \rd, #0x2000000
- 1001:
- subs \rd, \rd, #1
- bmi 1002f
- mrc p14, 0, \rx, c0, c0, 0
- tst \rx, #2
- bne 1001b
- 1002:
- .endm
- #endif /* CONFIG_CPU_V6 */
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