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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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d2912cb15b
Based on 2 normalized pattern(s): 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 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 # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
34 lines
884 B
ArmAsm
34 lines
884 B
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright 2013 Freescale Semiconductor, Inc.
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*/
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#define VF_UART0_BASE_ADDR 0x40027000
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#define VF_UART1_BASE_ADDR 0x40028000
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#define VF_UART2_BASE_ADDR 0x40029000
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#define VF_UART3_BASE_ADDR 0x4002a000
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#define VF_UART_BASE_ADDR(n) VF_UART##n##_BASE_ADDR
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#define VF_UART_BASE(n) VF_UART_BASE_ADDR(n)
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#define VF_UART_PHYSICAL_BASE VF_UART_BASE(CONFIG_DEBUG_VF_UART_PORT)
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#define VF_UART_VIRTUAL_BASE 0xfe000000
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.macro addruart, rp, rv, tmp
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ldr \rp, =VF_UART_PHYSICAL_BASE @ physical
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and \rv, \rp, #0xffffff @ offset within 16MB section
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add \rv, \rv, #VF_UART_VIRTUAL_BASE
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.endm
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.macro senduart, rd, rx
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strb \rd, [\rx, #0x7] @ Data Register
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.endm
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.macro busyuart, rd, rx
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1001: ldrb \rd, [\rx, #0x4] @ Status Register 1
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tst \rd, #1 << 6 @ TC
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beq 1001b @ wait until transmit done
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.endm
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.macro waituart,rd,rx
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.endm
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