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/*
* Copyright 2013 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/
#define VF_UART0_BASE_ADDR 0x40027000
#define VF_UART1_BASE_ADDR 0x40028000
#define VF_UART2_BASE_ADDR 0x40029000
#define VF_UART3_BASE_ADDR 0x4002a000
#define VF_UART_BASE_ADDR(n) VF_UART##n##_BASE_ADDR
#define VF_UART_BASE(n) VF_UART_BASE_ADDR(n)
#define VF_UART_PHYSICAL_BASE VF_UART_BASE(CONFIG_DEBUG_VF_UART_PORT)
#define VF_UART_VIRTUAL_BASE 0xfe000000
.macro addruart, rp, rv, tmp
ldr \rp, =VF_UART_PHYSICAL_BASE @ physical
and \rv, \rp, #0xffffff @ offset within 16MB section
add \rv, \rv, #VF_UART_VIRTUAL_BASE
.endm
.macro senduart, rd, rx
strb \rd, [\rx, #0x7] @ Data Register
.endm
.macro busyuart, rd, rx
1001: ldrb \rd, [\rx, #0x4] @ Status Register 1
tst \rd, #1 << 6 @ TC
beq 1001b @ wait until transmit done
.endm
.macro waituart,rd,rx
.endm
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