Merge tag 'sched-urgent-2020-12-27' of git://git.kernel.org/pub/scm/linux/kernel...
[linux/fpc-iii.git] / arch / arm / include / debug / vf.S
blob035bcbf117ab3877621cee71c2a06e0a7ae4d1ac
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright 2013 Freescale Semiconductor, Inc.
4  */
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##_BASE_ADDR
11 #define VF_UART_BASE(n)         VF_UART_BASE_ADDR(n)
12 #define VF_UART_PHYSICAL_BASE   VF_UART_BASE(CONFIG_DEBUG_VF_UART_PORT)
14 #define VF_UART_VIRTUAL_BASE    0xfe000000
16         .macro  addruart, rp, rv, tmp
17         ldr     \rp, =VF_UART_PHYSICAL_BASE     @ physical
18         and     \rv, \rp, #0xffffff             @ offset within 16MB section
19         add     \rv, \rv, #VF_UART_VIRTUAL_BASE
20         .endm
22         .macro  senduart, rd, rx
23         strb    \rd, [\rx, #0x7]        @ Data Register
24         .endm
26         .macro  busyuart, rd, rx
27 1001:   ldrb    \rd, [\rx, #0x4]        @ Status Register 1
28         tst     \rd, #1 << 6            @ TC
29         beq     1001b                   @ wait until transmit done
30         .endm
32         .macro  waituartcts,rd,rx
33         .endm
35         .macro  waituarttxrdy,rd,rx
36         .endm