diff options
author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-05 16:14:15 +0100 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-07 09:55:48 +0100 |
commit | a09e64fbc0094e3073dbb09c3b4bfe4ab669244b (patch) | |
tree | 69689f467179891b498bd7423fcf61925173db31 /arch/arm/mach-footbridge/include/mach/system.h | |
parent | a1b81a84fff05dbfef45b7012c26e1fee9973e5d (diff) |
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
This just leaves include/asm-arm/plat-* to deal with.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-footbridge/include/mach/system.h')
-rw-r--r-- | arch/arm/mach-footbridge/include/mach/system.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/arch/arm/mach-footbridge/include/mach/system.h b/arch/arm/mach-footbridge/include/mach/system.h new file mode 100644 index 00000000000..01c9f407f49 --- /dev/null +++ b/arch/arm/mach-footbridge/include/mach/system.h @@ -0,0 +1,69 @@ +/* + * arch/arm/mach-footbridge/include/mach/system.h + * + * Copyright (C) 1996-1999 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 <asm/hardware/dec21285.h> +#include <asm/io.h> +#include <mach/hardware.h> +#include <asm/leds.h> +#include <asm/mach-types.h> + +static inline void arch_idle(void) +{ + cpu_do_idle(); +} + +static inline void arch_reset(char mode) +{ + if (mode == 's') { + /* + * Jump into the ROM + */ + cpu_reset(0x41000000); + } else { + if (machine_is_netwinder()) { + /* open up the SuperIO chip + */ + outb(0x87, 0x370); + outb(0x87, 0x370); + + /* aux function group 1 (logical device 7) + */ + outb(0x07, 0x370); + outb(0x07, 0x371); + + /* set GP16 for WD-TIMER output + */ + outb(0xe6, 0x370); + outb(0x00, 0x371); + + /* set a RED LED and toggle WD_TIMER for rebooting + */ + outb(0xc4, 0x338); + } else { + /* + * Force the watchdog to do a CPU reset. + * + * After making sure that the watchdog is disabled + * (so we can change the timer registers) we first + * enable the timer to autoreload itself. Next, the + * timer interval is set really short and any + * current interrupt request is cleared (so we can + * see an edge transition). Finally, TIMER4 is + * enabled as the watchdog. + */ + *CSR_SA110_CNTL &= ~(1 << 13); + *CSR_TIMER4_CNTL = TIMER_CNTL_ENABLE | + TIMER_CNTL_AUTORELOAD | + TIMER_CNTL_DIV16; + *CSR_TIMER4_LOAD = 0x2; + *CSR_TIMER4_CLR = 0; + *CSR_SA110_CNTL |= (1 << 13); + } + } +} |