diff options
Diffstat (limited to 'arch/sh/kernel/process.c')
| -rw-r--r-- | arch/sh/kernel/process.c | 35 |
1 files changed, 31 insertions, 4 deletions
diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c index 6b4cb096b11c..8ba6dd300957 100644 --- a/arch/sh/kernel/process.c +++ b/arch/sh/kernel/process.c @@ -1,4 +1,4 @@ -/* $Id: process.c,v 1.26 2004/02/06 14:14:14 kkojima Exp $ +/* $Id: process.c,v 1.28 2004/05/05 16:54:23 lethal Exp $ * * linux/arch/sh/kernel/process.c * @@ -25,6 +25,11 @@ #include <asm/uaccess.h> #include <asm/mmu_context.h> #include <asm/elf.h> +#if defined(CONFIG_SH_HS7751RVOIP) +#include <asm/hs7751rvoip/hs7751rvoip.h> +#elif defined(CONFIG_SH_RTS7751R2D) +#include <asm/rts7751r2d/rts7751r2d.h> +#endif static int hlt_counter=0; @@ -50,8 +55,14 @@ void default_idle(void) { /* endless idle loop with no priority at all */ while (1) { - while (!need_resched()) - cpu_relax(); + if (hlt_counter) { + while (1) + if (need_resched()) + break; + } else { + while (!need_resched()) + cpu_sleep(); + } schedule(); } @@ -73,14 +84,30 @@ EXPORT_SYMBOL(machine_restart); void machine_halt(void) { +#if defined(CONFIG_SH_HS7751RVOIP) + unsigned short value; + + value = ctrl_inw(PA_OUTPORTR); + ctrl_outw((value & 0xffdf), PA_OUTPORTR); +#elif defined(CONFIG_SH_RTS7751R2D) + ctrl_outw(0x0001, PA_POWOFF); +#endif while (1) - cpu_relax(); + cpu_sleep(); } EXPORT_SYMBOL(machine_halt); void machine_power_off(void) { +#if defined(CONFIG_SH_HS7751RVOIP) + unsigned short value; + + value = ctrl_inw(PA_OUTPORTR); + ctrl_outw((value & 0xffdf), PA_OUTPORTR); +#elif defined(CONFIG_SH_RTS7751R2D) + ctrl_outw(0x0001, PA_POWOFF); +#endif } EXPORT_SYMBOL(machine_power_off); |