2
0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-25 13:43:55 +08:00
linux-next/arch/arm/include/debug/clps711x.S
Alexander Shiyan 32981ea5b9 ARM: clps711x: Reduce static map size
Last CLPS711X CPU register is PLLR has 0xa5a8 address, so we can reduce
the map to 48k and align the end of the static at VMALLOC_START.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-07-06 17:38:52 +02:00

39 lines
935 B
ArmAsm

/*
* Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef CONFIG_DEBUG_CLPS711X_UART2
#define CLPS711X_UART_PADDR (0x80000000 + 0x0000)
#define CLPS711X_UART_VADDR (0xfeff4000 + 0x0000)
#else
#define CLPS711X_UART_PADDR (0x80000000 + 0x1000)
#define CLPS711X_UART_VADDR (0xfeff4000 + 0x1000)
#endif
#define SYSFLG (0x0140)
#define SYSFLG_UBUSY (1 << 11)
#define UARTDR (0x0480)
.macro addruart, rp, rv, tmp
ldr \rv, =CLPS711X_UART_VADDR
ldr \rp, =CLPS711X_UART_PADDR
.endm
.macro waituart,rd,rx
.endm
.macro senduart,rd,rx
str \rd, [\rx, #UARTDR]
.endm
.macro busyuart,rd,rx
1001: ldr \rd, [\rx, #SYSFLG]
tst \rd, #SYSFLG_UBUSY
bne 1001b
.endm