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| author | Patrick McHardy <kaber@trash.net> | 2010-04-20 18:02:01 +0400 |
|---|---|---|
| committer | Patrick McHardy <kaber@trash.net> | 2010-04-20 18:02:01 +0400 |
| commit | 62910554656cdcd6b6f84a5154c4155aae4ca231 (patch) | |
| tree | dcf14004f6fd2ef7154362ff948bfeba0f3ea92d /arch/blackfin/mach-bf561/hotplug.c | |
| parent | 22265a5c3c103cf8c50be62e6c90d045eb649e6d (diff) | |
| parent | ab9304717f7624c41927f442e6b6d418b2d8b3e4 (diff) | |
| download | linux-62910554656cdcd6b6f84a5154c4155aae4ca231.tar.xz | |
Merge branch 'master' of /repos/git/net-next-2.6
Conflicts:
Documentation/feature-removal-schedule.txt
net/ipv6/netfilter/ip6t_REJECT.c
net/netfilter/xt_limit.c
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'arch/blackfin/mach-bf561/hotplug.c')
| -rw-r--r-- | arch/blackfin/mach-bf561/hotplug.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/blackfin/mach-bf561/hotplug.c b/arch/blackfin/mach-bf561/hotplug.c new file mode 100644 index 000000000000..c95169b612dc --- /dev/null +++ b/arch/blackfin/mach-bf561/hotplug.c @@ -0,0 +1,32 @@ +/* + * Copyright 2007-2009 Analog Devices Inc. + * Graff Yang <graf.yang@analog.com> + * + * Licensed under the GPL-2 or later. + */ + +#include <asm/blackfin.h> +#include <asm/smp.h> +#define SIC_SYSIRQ(irq) (irq - (IRQ_CORETMR + 1)) + +int hotplug_coreb; + +void platform_cpu_die(void) +{ + unsigned long iwr[2] = {0, 0}; + unsigned long bank = SIC_SYSIRQ(IRQ_SUPPLE_0) / 32; + unsigned long bit = 1 << (SIC_SYSIRQ(IRQ_SUPPLE_0) % 32); + + hotplug_coreb = 1; + + iwr[bank] = bit; + + /* disable core timer */ + bfin_write_TCNTL(0); + + /* clear ipi interrupt IRQ_SUPPLE_0 */ + bfin_write_SICB_SYSCR(bfin_read_SICB_SYSCR() | (1 << (10 + 1))); + SSYNC(); + + coreb_sleep(iwr[0], iwr[1], 0); +} |