5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
41 lines
874 B
ArmAsm
41 lines
874 B
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* arch/arm/mach-prima2/include/mach/debug-macro.S
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*
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* Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
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*/
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#define SIRF_LLUART_TXFIFO_STATUS 0x0114
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#define SIRF_LLUART_TXFIFO_DATA 0x0118
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#define SIRF_LLUART_TXFIFO_FULL (1 << 5)
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#ifdef CONFIG_DEBUG_SIRFATLAS7_UART0
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#define SIRF_LLUART_TXFIFO_EMPTY (1 << 8)
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#else
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#define SIRF_LLUART_TXFIFO_EMPTY (1 << 6)
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#endif
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.macro addruart, rp, rv, tmp
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ldr \rp, =CONFIG_DEBUG_UART_PHYS @ physical
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ldr \rv, =CONFIG_DEBUG_UART_VIRT @ virtual
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.endm
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.macro senduart,rd,rx
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str \rd, [\rx, #SIRF_LLUART_TXFIFO_DATA]
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.endm
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.macro busyuart,rd,rx
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.endm
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.macro waituartcts,rd,rx
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.endm
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.macro waituarttxrdy,rd,rx
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1001: ldr \rd, [\rx, #SIRF_LLUART_TXFIFO_STATUS]
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tst \rd, #SIRF_LLUART_TXFIFO_EMPTY
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beq 1001b
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.endm
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