diff options
Diffstat (limited to 'arch/arm26/lib/ecard.S')
| -rw-r--r-- | arch/arm26/lib/ecard.S | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/arm26/lib/ecard.S b/arch/arm26/lib/ecard.S new file mode 100644 index 00000000000..b4633150f01 --- /dev/null +++ b/arch/arm26/lib/ecard.S @@ -0,0 +1,41 @@ +/* + * linux/arch/arm26/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. + */ +#include <linux/config.h> /* for CONFIG_CPU_nn */ +#include <linux/linkage.h> +#include <asm/assembler.h> +#include <asm/hardware.h> + +#define CPSR2SPSR(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 + LOADREGS(fd, 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 + LOADREGS(fd, sp!, {r4 - r12, pc}) + |