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dd99eef5 AS |
1 | /* |
2 | * Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru> | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | */ | |
9 | ||
10 | #ifndef CONFIG_DEBUG_CLPS711X_UART2 | |
11 | #define CLPS711X_UART_PADDR (0x80000000 + 0x0000) | |
32981ea5 | 12 | #define CLPS711X_UART_VADDR (0xfeff4000 + 0x0000) |
dd99eef5 AS |
13 | #else |
14 | #define CLPS711X_UART_PADDR (0x80000000 + 0x1000) | |
32981ea5 | 15 | #define CLPS711X_UART_VADDR (0xfeff4000 + 0x1000) |
dd99eef5 AS |
16 | #endif |
17 | ||
18 | #define SYSFLG (0x0140) | |
19 | #define SYSFLG_UBUSY (1 << 11) | |
20 | #define UARTDR (0x0480) | |
21 | ||
22 | .macro addruart, rp, rv, tmp | |
23 | ldr \rv, =CLPS711X_UART_VADDR | |
24 | ldr \rp, =CLPS711X_UART_PADDR | |
25 | .endm | |
26 | ||
27 | .macro waituart,rd,rx | |
28 | .endm | |
29 | ||
30 | .macro senduart,rd,rx | |
31 | str \rd, [\rx, #UARTDR] | |
32 | .endm | |
33 | ||
34 | .macro busyuart,rd,rx | |
35 | 1001: ldr \rd, [\rx, #SYSFLG] | |
36 | tst \rd, #SYSFLG_UBUSY | |
37 | bne 1001b | |
38 | .endm |