1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright 2013 Freescale Semiconductor, Inc
4 */
5
6 #define VF_UART0_BASE_ADDR 0x40027000
7 #define VF_UART1_BASE_ADDR 0x40028000
8 #define VF_UART2_BASE_ADDR 0x40029000
9 #define VF_UART3_BASE_ADDR 0x4002a000
10 #define VF_UART_BASE_ADDR(n) VF_UART##n##_B
11 #define VF_UART_BASE(n) VF_UART_BASE_A
12 #define VF_UART_PHYSICAL_BASE VF_UART_BASE(C
13
14 #define VF_UART_VIRTUAL_BASE 0xfe000000
15
16 .macro addruart, rp, rv, tmp
17 ldr \rp, =VF_UART_PHYSICAL_BASE
18 and \rv, \rp, #0xffffff
19 add \rv, \rv, #VF_UART_VIRTUAL_BAS
20 .endm
21
22 .macro senduart, rd, rx
23 strb \rd, [\rx, #0x7] @ Data
24 .endm
25
26 .macro busyuart, rd, rx
27 1001: ldrb \rd, [\rx, #0x4] @ Stat
28 tst \rd, #1 << 6 @ TC
29 beq 1001b @ wait
30 .endm
31
32 .macro waituartcts,rd,rx
33 .endm
34
35 .macro waituarttxrdy,rd,rx
36 .endm
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