Files
erofs-linux/arch/arm/include/debug/sirf.S
T
Thomas Gleixner a636cd6c42 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 4
Based on 1 normalized pattern(s):

  licensed under gplv2 or later

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 118 file(s).

Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Jilayne Lovejoy <[email protected]>
Reviewed-by: Steve Winslow <[email protected]>
Reviewed-by: Allison Randal <[email protected]>
Reviewed-by: Kate Stewart <[email protected]>
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
2019-05-21 11:28:40 +02:00

38 lines
835 B
ArmAsm

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* arch/arm/mach-prima2/include/mach/debug-macro.S
*
* Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
*/
#define SIRF_LLUART_TXFIFO_STATUS 0x0114
#define SIRF_LLUART_TXFIFO_DATA 0x0118
#define SIRF_LLUART_TXFIFO_FULL (1 << 5)
#ifdef CONFIG_DEBUG_SIRFATLAS7_UART0
#define SIRF_LLUART_TXFIFO_EMPTY (1 << 8)
#else
#define SIRF_LLUART_TXFIFO_EMPTY (1 << 6)
#endif
.macro addruart, rp, rv, tmp
ldr \rp, =CONFIG_DEBUG_UART_PHYS @ physical
ldr \rv, =CONFIG_DEBUG_UART_VIRT @ virtual
.endm
.macro senduart,rd,rx
str \rd, [\rx, #SIRF_LLUART_TXFIFO_DATA]
.endm
.macro busyuart,rd,rx
.endm
.macro waituart,rd,rx
1001: ldr \rd, [\rx, #SIRF_LLUART_TXFIFO_STATUS]
tst \rd, #SIRF_LLUART_TXFIFO_EMPTY
beq 1001b
.endm