| /* SPDX-License-Identifier: GPL-2.0-or-later */ | |
| /* | |
| * Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru> | |
| */ | |
| #ifndef CONFIG_DEBUG_CLPS711X_UART2 | |
| #define CLPS711X_UART_PADDR (0x80000000 + 0x0000) | |
| #define CLPS711X_UART_VADDR (0xfeff4000 + 0x0000) | |
| #else | |
| #define CLPS711X_UART_PADDR (0x80000000 + 0x1000) | |
| #define CLPS711X_UART_VADDR (0xfeff4000 + 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 waituartcts,rd,rx | |
| .endm | |
| .macro waituarttxrdy,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 |