diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-wmt/wmt_reset.c')
| -rwxr-xr-x | ANDROID_3.4.5/arch/arm/mach-wmt/wmt_reset.c | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-wmt/wmt_reset.c b/ANDROID_3.4.5/arch/arm/mach-wmt/wmt_reset.c deleted file mode 100755 index 57b5c2b3..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-wmt/wmt_reset.c +++ /dev/null @@ -1,122 +0,0 @@ -/*++ -linux/arch/arm/mach-wmt/wmt_reset.c - -Copyright (c) 2008 WonderMedia Technologies, Inc. - -This program is free software: you can redistribute it and/or modify it under the -terms of the GNU General Public License as published by the Free Software Foundation, -either version 2 of the License, or (at your option) any later version. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A -PARTICULAR PURPOSE. See the GNU General Public License for more details. -You should have received a copy of the GNU General Public License along with -this program. If not, see <http://www.gnu.org/licenses/>. - -WonderMedia Technologies, Inc. -10F, 529, Chung-Cheng Road, Hsin-Tien, Taipei 231, R.O.C. ---*/ -#include <linux/module.h> -#include <mach/hardware.h> -#include <asm/system.h> -#include <asm/cacheflush.h> - -extern void setup_mm_for_reboot(void); -extern void call_with_stack(void (*fn)(void *), void *arg, void *sp); - -/* - * A temporary stack to use for CPU reset. This is static so that we - * don't clobber it with the identity mapping. When running with this - * stack, any references to the current task *will not work* so you - * should really do as little as possible before jumping to your reset - * code. - */ -static u64 soft_restart_stack[16]; - -void check_busy(void) { - unsigned int tmp, tmp1 = 0x1000000; - while (tmp1) { - tmp = PMCS2_VAL; - if (!(tmp & 0x7F0038)) - break; - - tmp1--; - if (!tmp1) - printk("wait PLL divisor ready fail -- check busy halted\n"); - } -} - -static void wmt__soft_restart(void *addr) -{ - unsigned int tmp; - //phys_reset_t phys_reset; - - /* Take out a flat memory mapping. */ - setup_mm_for_reboot(); - - /* Clean and invalidate caches */ - flush_cache_all(); - - /* Turn off caching */ - cpu_proc_fin(); - - /* Push out any further dirty data, and ensure cache is empty */ - flush_cache_all(); - - /* Switch to the identity mapping. */ - /*phys_reset = (phys_reset_t)(unsigned long)virt_to_phys(cpu_reset); - phys_reset((unsigned long)addr);*/ - - check_busy(); - PMPMC_VAL = 0x00170003; - - check_busy(); - tmp = (STRAP_STATUS_VAL>>12)&3; - - check_busy(); - PMARM_VAL = 2; - - check_busy(); - tmp = (STRAP_STATUS_VAL>>12)&3; - if (tmp == 2) - PMPMA_VAL = 0x00520101;//996 - else if (tmp == 1) - PMPMA_VAL = 0x00420101;//804 - else //if (tmp == 0) - PMPMA_VAL = 0x00420102;//402 - check_busy(); - - /* Use on-chip reset capability */ - PMSR_VAL = PMSR_SWR; - - /* Should never get here. */ - BUG(); -} - -void wmt_soft_restart(unsigned long addr) -{ - u64 *stack = soft_restart_stack + ARRAY_SIZE(soft_restart_stack); - - /* Disable interrupts first */ - local_irq_disable(); - local_fiq_disable(); - - /* Disable the L2 if we're the last man standing. */ - if (num_online_cpus() == 1) - outer_disable(); - - /* Change to the new stack and continue with the reset. */ - call_with_stack(wmt__soft_restart, (void *)addr, (void *)stack); - - /* Should never get here. */ - BUG(); -} - -void wmt_restart(char mode, const char *cmd) -{ - wmt_soft_restart(mode); - - /* Should never get here. */ - BUG(); -} -EXPORT_SYMBOL(wmt_restart);
\ No newline at end of file |