1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru> 4 */ 5 6 #ifndef CONFIG_DEBUG_CLPS711X_UART2 7 #define CLPS711X_UART_PADDR (0x80000000 + 0x0000) 8 #define CLPS711X_UART_VADDR (0xfeff4000 + 0x0000) 9 #else 10 #define CLPS711X_UART_PADDR (0x80000000 + 0x1000) 11 #define CLPS711X_UART_VADDR (0xfeff4000 + 0x1000) 12 #endif 13 14 #define SYSFLG (0x0140) 15 #define SYSFLG_UBUSY (1 << 11) 16 #define UARTDR (0x0480) 17 18 .macro addruart, rp, rv, tmp 19 ldr \rv, =CLPS711X_UART_VADDR 20 ldr \rp, =CLPS711X_UART_PADDR 21 .endm 22 23 .macro waituartcts,rd,rx 24 .endm 25 26 .macro waituarttxrdy,rd,rx 27 .endm 28 29 .macro senduart,rd,rx 30 str \rd, [\rx, #UARTDR] 31 .endm 32 33 .macro busyuart,rd,rx 34 1001: ldr \rd, [\rx, #SYSFLG] 35 tst \rd, #SYSFLG_UBUSY 36 bne 1001b 37 .endm
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