ProPeler
Home
Console
Upload
information
Create File
Create Folder
About
Tools
:
/
usr
/
src
/
linux-headers-5.4.0-215-generic
/
arch
/
arm
/
include
/
debug
/
Filename :
vf.S
back
Copy
/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright 2013 Freescale Semiconductor, Inc. */ #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