diff options
Diffstat (limited to 'arch/arm26/machine/latches.c')
| -rw-r--r-- | arch/arm26/machine/latches.c | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/arch/arm26/machine/latches.c b/arch/arm26/machine/latches.c deleted file mode 100644 index 94f05d2a3b2b..000000000000 --- a/arch/arm26/machine/latches.c +++ /dev/null | |||
| @@ -1,72 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * linux/arch/arm26/kernel/latches.c | ||
| 3 | * | ||
| 4 | * Copyright (C) David Alan Gilbert 1995/1996,2000 | ||
| 5 | * Copyright (C) Ian Molton 2003 | ||
| 6 | * | ||
| 7 | * This program is free software; you can redistribute it and/or modify | ||
| 8 | * it under the terms of the GNU General Public License version 2 as | ||
| 9 | * published by the Free Software Foundation. | ||
| 10 | * | ||
| 11 | * Support for the latches on the old Archimedes which control the floppy, | ||
| 12 | * hard disc and printer | ||
| 13 | */ | ||
| 14 | #include <linux/module.h> | ||
| 15 | #include <linux/kernel.h> | ||
| 16 | #include <linux/init.h> | ||
| 17 | #include <linux/sched.h> | ||
| 18 | |||
| 19 | #include <asm/io.h> | ||
| 20 | #include <asm/hardware.h> | ||
| 21 | #include <asm/mach-types.h> | ||
| 22 | #include <asm/oldlatches.h> | ||
| 23 | |||
| 24 | static unsigned char latch_a_copy; | ||
| 25 | static unsigned char latch_b_copy; | ||
| 26 | |||
| 27 | /* newval=(oldval & ~mask)|newdata */ | ||
| 28 | void oldlatch_aupdate(unsigned char mask,unsigned char newdata) | ||
| 29 | { | ||
| 30 | unsigned long flags; | ||
| 31 | |||
| 32 | BUG_ON(!machine_is_archimedes()); | ||
| 33 | |||
| 34 | local_irq_save(flags); //FIXME: was local_save_flags | ||
| 35 | latch_a_copy = (latch_a_copy & ~mask) | newdata; | ||
| 36 | __raw_writeb(latch_a_copy, LATCHA_BASE); | ||
| 37 | local_irq_restore(flags); | ||
| 38 | |||
| 39 | printk("Latch: A = 0x%02x\n", latch_a_copy); | ||
| 40 | } | ||
| 41 | |||
| 42 | |||
| 43 | /* newval=(oldval & ~mask)|newdata */ | ||
| 44 | void oldlatch_bupdate(unsigned char mask,unsigned char newdata) | ||
| 45 | { | ||
| 46 | unsigned long flags; | ||
| 47 | |||
| 48 | BUG_ON(!machine_is_archimedes()); | ||
| 49 | |||
| 50 | |||
| 51 | local_irq_save(flags);//FIXME: was local_save_flags | ||
| 52 | latch_b_copy = (latch_b_copy & ~mask) | newdata; | ||
| 53 | __raw_writeb(latch_b_copy, LATCHB_BASE); | ||
| 54 | local_irq_restore(flags); | ||
| 55 | |||
| 56 | printk("Latch: B = 0x%02x\n", latch_b_copy); | ||
| 57 | } | ||
| 58 | |||
| 59 | static int __init oldlatch_init(void) | ||
| 60 | { | ||
| 61 | if (machine_is_archimedes()) { | ||
| 62 | oldlatch_aupdate(0xff, 0xff); | ||
| 63 | /* Thats no FDC reset...*/ | ||
| 64 | oldlatch_bupdate(0xff, LATCHB_FDCRESET); | ||
| 65 | } | ||
| 66 | return 0; | ||
| 67 | } | ||
| 68 | |||
| 69 | arch_initcall(oldlatch_init); | ||
| 70 | |||
| 71 | EXPORT_SYMBOL(oldlatch_aupdate); | ||
| 72 | EXPORT_SYMBOL(oldlatch_bupdate); | ||
