mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-21 16:07:57 +07:00
a09e64fbc0
This just leaves include/asm-arm/plat-* to deal with. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
46 lines
1.0 KiB
ArmAsm
46 lines
1.0 KiB
ArmAsm
/*
|
|
* linux/arch/arm/lib/ecard.S
|
|
*
|
|
* Copyright (C) 1995, 1996 Russell King
|
|
*
|
|
* 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.
|
|
*
|
|
* 27/03/03 Ian Molton Clean up CONFIG_CPU
|
|
*
|
|
*/
|
|
#include <linux/linkage.h>
|
|
#include <asm/assembler.h>
|
|
#include <mach/hardware.h>
|
|
|
|
#define CPSR2SPSR(rt) \
|
|
mrs rt, cpsr; \
|
|
msr spsr_cxsf, rt
|
|
|
|
@ Purpose: call an expansion card loader to read bytes.
|
|
@ Proto : char read_loader(int offset, char *card_base, char *loader);
|
|
@ Returns: byte read
|
|
|
|
ENTRY(ecard_loader_read)
|
|
stmfd sp!, {r4 - r12, lr}
|
|
mov r11, r1
|
|
mov r1, r0
|
|
CPSR2SPSR(r0)
|
|
mov lr, pc
|
|
mov pc, r2
|
|
ldmfd sp!, {r4 - r12, pc}
|
|
|
|
@ Purpose: call an expansion card loader to reset the card
|
|
@ Proto : void read_loader(int card_base, char *loader);
|
|
@ Returns: byte read
|
|
|
|
ENTRY(ecard_loader_reset)
|
|
stmfd sp!, {r4 - r12, lr}
|
|
mov r11, r0
|
|
CPSR2SPSR(r0)
|
|
mov lr, pc
|
|
add pc, r1, #8
|
|
ldmfd sp!, {r4 - r12, pc}
|
|
|