nds32: Remove the architecture

[linux-2.6-microblaze.git] / arch / nds32 / kernel / pm.c

diff --git a/arch/nds32/kernel/pm.c b/arch/nds32/kernel/pm.c
deleted file mode 100644 (file)
index e25700e..0000000
--- a/arch/nds32/kernel/pm.c
+++ /dev/null
@@ -1,80 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-// Copyright (C) 2008-2017 Andes Technology Corporation
-
-#include <linux/init.h>
-#include <linux/suspend.h>
-#include <linux/device.h>
-#include <linux/printk.h>
-#include <asm/suspend.h>
-#include <nds32_intrinsic.h>
-
-unsigned int resume_addr;
-unsigned int *phy_addr_sp_tmp;
-
-static void nds32_suspend2ram(void)
-{
-       pgd_t *pgdv;
-       p4d_t *p4dv;
-       pud_t *pudv;
-       pmd_t *pmdv;
-       pte_t *ptev;
-
-       pgdv = (pgd_t *)__va((__nds32__mfsr(NDS32_SR_L1_PPTB) &
-               L1_PPTB_mskBASE)) + pgd_index((unsigned int)cpu_resume);
-
-       p4dv = p4d_offset(pgdv, (unsigned int)cpu_resume);
-       pudv = pud_offset(p4dv, (unsigned int)cpu_resume);
-       pmdv = pmd_offset(pudv, (unsigned int)cpu_resume);
-       ptev = pte_offset_map(pmdv, (unsigned int)cpu_resume);
-
-       resume_addr = ((*ptev) & TLB_DATA_mskPPN)
-                       | ((unsigned int)cpu_resume & 0x00000fff);
-
-       suspend2ram();
-}
-
-static void nds32_suspend_cpu(void)
-{
-       while (!(__nds32__mfsr(NDS32_SR_INT_PEND) & wake_mask))
-               __asm__ volatile ("standby no_wake_grant\n\t");
-}
-
-static int nds32_pm_valid(suspend_state_t state)
-{
-       switch (state) {
-       case PM_SUSPEND_ON:
-       case PM_SUSPEND_STANDBY:
-       case PM_SUSPEND_MEM:
-               return 1;
-       default:
-               return 0;
-       }
-}
-
-static int nds32_pm_enter(suspend_state_t state)
-{
-       pr_debug("%s:state:%d\n", __func__, state);
-       switch (state) {
-       case PM_SUSPEND_STANDBY:
-               nds32_suspend_cpu();
-               return 0;
-       case PM_SUSPEND_MEM:
-               nds32_suspend2ram();
-               return 0;
-       default:
-               return -EINVAL;
-       }
-}
-
-static const struct platform_suspend_ops nds32_pm_ops = {
-       .valid = nds32_pm_valid,
-       .enter = nds32_pm_enter,
-};
-
-static int __init nds32_pm_init(void)
-{
-       pr_debug("Enter %s\n", __func__);
-       suspend_set_ops(&nds32_pm_ops);
-       return 0;
-}
-late_initcall(nds32_pm_init);