blob: c17ac5c9e5f37c18399c675120da7a31cf9c6431 [file] [log] [blame]
* Copyright (C) 2014 Alexander Shiyan <>
* 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.
#define CLPS711X_UART_PADDR (0x80000000 + 0x0000)
#define CLPS711X_UART_VADDR (0xfeff4000 + 0x0000)
#define CLPS711X_UART_PADDR (0x80000000 + 0x1000)
#define CLPS711X_UART_VADDR (0xfeff4000 + 0x1000)
#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
.macro waituart,rd,rx
.macro senduart,rd,rx
str \rd, [\rx, #UARTDR]
.macro busyuart,rd,rx
1001: ldr \rd, [\rx, #SYSFLG]
tst \rd, #SYSFLG_UBUSY
bne 1001b