| /* 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 |
