| /* |
| * Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| */ |
| |
| #ifndef CONFIG_DEBUG_CLPS711X_UART2 |
| #define CLPS711X_UART_PADDR (0x80000000 + 0x0000) |
| #define CLPS711X_UART_VADDR (0xfeff0000 + 0x0000) |
| #else |
| #define CLPS711X_UART_PADDR (0x80000000 + 0x1000) |
| #define CLPS711X_UART_VADDR (0xfeff0000 + 0x1000) |
| #endif |
| |
| #define SYSFLG (0x0140) |
| #define SYSFLG_UBUSY (1 << 11) |
| #define UARTDR (0x0480) |
| |
| .macro addruart, rp, rv, tmp |
| ldr \rv, =CLPS711X_UART_VADDR |
| ldr \rp, =CLPS711X_UART_PADDR |
| .endm |
| |
| .macro waituart,rd,rx |
| .endm |
| |
| .macro senduart,rd,rx |
| str \rd, [\rx, #UARTDR] |
| .endm |
| |
| .macro busyuart,rd,rx |
| 1001: ldr \rd, [\rx, #SYSFLG] |
| tst \rd, #SYSFLG_UBUSY |
| bne 1001b |
| .endm |
