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-rw-r--r--arch/arm/mach-s5p64x0/pm.c202
1 files changed, 0 insertions, 202 deletions
diff --git a/arch/arm/mach-s5p64x0/pm.c b/arch/arm/mach-s5p64x0/pm.c
deleted file mode 100644
index ec8229cee716..000000000000
--- a/arch/arm/mach-s5p64x0/pm.c
+++ /dev/null
@@ -1,202 +0,0 @@
-/* linux/arch/arm/mach-s5p64x0/pm.c
- *
- * Copyright (c) 2011 Samsung Electronics Co., Ltd.
- * http://www.samsung.com
- *
- * S5P64X0 Power Management Support
- *
- * Based on arch/arm/mach-s3c64xx/pm.c by Ben Dooks
- *
- * 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 <linux/suspend.h>
-#include <linux/syscore_ops.h>
-#include <linux/io.h>
-
-#include <plat/cpu.h>
-#include <plat/pm.h>
-#include <plat/wakeup-mask.h>
-
-#include <mach/regs-clock.h>
-#include <mach/regs-gpio.h>
-
-static struct sleep_save s5p64x0_core_save[] = {
- SAVE_ITEM(S5P64X0_APLL_CON),
- SAVE_ITEM(S5P64X0_MPLL_CON),
- SAVE_ITEM(S5P64X0_EPLL_CON),
- SAVE_ITEM(S5P64X0_EPLL_CON_K),
- SAVE_ITEM(S5P64X0_CLK_SRC0),
- SAVE_ITEM(S5P64X0_CLK_SRC1),
- SAVE_ITEM(S5P64X0_CLK_DIV0),
- SAVE_ITEM(S5P64X0_CLK_DIV1),
- SAVE_ITEM(S5P64X0_CLK_DIV2),
- SAVE_ITEM(S5P64X0_CLK_DIV3),
- SAVE_ITEM(S5P64X0_CLK_GATE_MEM0),
- SAVE_ITEM(S5P64X0_CLK_GATE_HCLK1),
- SAVE_ITEM(S5P64X0_CLK_GATE_SCLK1),
-};
-
-static struct sleep_save s5p64x0_misc_save[] = {
- SAVE_ITEM(S5P64X0_AHB_CON0),
- SAVE_ITEM(S5P64X0_SPCON0),
- SAVE_ITEM(S5P64X0_SPCON1),
- SAVE_ITEM(S5P64X0_MEM0CONSLP0),
- SAVE_ITEM(S5P64X0_MEM0CONSLP1),
- SAVE_ITEM(S5P64X0_MEM0DRVCON),
- SAVE_ITEM(S5P64X0_MEM1DRVCON),
-};
-
-/* DPLL is present only in S5P6450 */
-static struct sleep_save s5p6450_core_save[] = {
- SAVE_ITEM(S5P6450_DPLL_CON),
- SAVE_ITEM(S5P6450_DPLL_CON_K),
-};
-
-void s3c_pm_configure_extint(void)
-{
- __raw_writel(s3c_irqwake_eintmask, S5P64X0_EINT_WAKEUP_MASK);
-}
-
-void s3c_pm_restore_core(void)
-{
- __raw_writel(0, S5P64X0_EINT_WAKEUP_MASK);
-
- s3c_pm_do_restore_core(s5p64x0_core_save,
- ARRAY_SIZE(s5p64x0_core_save));
-
- if (soc_is_s5p6450())
- s3c_pm_do_restore_core(s5p6450_core_save,
- ARRAY_SIZE(s5p6450_core_save));
-
- s3c_pm_do_restore(s5p64x0_misc_save, ARRAY_SIZE(s5p64x0_misc_save));
-}
-
-void s3c_pm_save_core(void)
-{
- s3c_pm_do_save(s5p64x0_misc_save, ARRAY_SIZE(s5p64x0_misc_save));
-
- if (soc_is_s5p6450())
- s3c_pm_do_save(s5p6450_core_save,
- ARRAY_SIZE(s5p6450_core_save));
-
- s3c_pm_do_save(s5p64x0_core_save, ARRAY_SIZE(s5p64x0_core_save));
-}
-
-static int s5p64x0_cpu_suspend(unsigned long arg)
-{
- unsigned long tmp = 0;
-
- /*
- * Issue the standby signal into the pm unit. Note, we
- * issue a write-buffer drain just in case.
- */
- asm("b 1f\n\t"
- ".align 5\n\t"
- "1:\n\t"
- "mcr p15, 0, %0, c7, c10, 5\n\t"
- "mcr p15, 0, %0, c7, c10, 4\n\t"
- "mcr p15, 0, %0, c7, c0, 4" : : "r" (tmp));
-
- pr_info("Failed to suspend the system\n");
- return 1; /* Aborting suspend */
-}
-
-/* mapping of interrupts to parts of the wakeup mask */
-static struct samsung_wakeup_mask s5p64x0_wake_irqs[] = {
- { .irq = IRQ_RTC_ALARM, .bit = S5P64X0_PWR_CFG_RTC_ALRM_DISABLE, },
- { .irq = IRQ_RTC_TIC, .bit = S5P64X0_PWR_CFG_RTC_TICK_DISABLE, },
- { .irq = IRQ_HSMMC0, .bit = S5P64X0_PWR_CFG_MMC0_DISABLE, },
- { .irq = IRQ_HSMMC1, .bit = S5P64X0_PWR_CFG_MMC1_DISABLE, },
-};
-
-static void s5p64x0_pm_prepare(void)
-{
- u32 tmp;
-
- samsung_sync_wakemask(S5P64X0_PWR_CFG,
- s5p64x0_wake_irqs, ARRAY_SIZE(s5p64x0_wake_irqs));
-
- /* store the resume address in INFORM0 register */
- __raw_writel(virt_to_phys(s3c_cpu_resume), S5P64X0_INFORM0);
-
- /* setup clock gating for FIMGVG block */
- __raw_writel((__raw_readl(S5P64X0_CLK_GATE_HCLK1) | \
- (S5P64X0_CLK_GATE_HCLK1_FIMGVG)), S5P64X0_CLK_GATE_HCLK1);
- __raw_writel((__raw_readl(S5P64X0_CLK_GATE_SCLK1) | \
- (S5P64X0_CLK_GATE_SCLK1_FIMGVG)), S5P64X0_CLK_GATE_SCLK1);
-
- /* Configure the stabilization counter with wait time required */
- __raw_writel(S5P64X0_PWR_STABLE_PWR_CNT_VAL4, S5P64X0_PWR_STABLE);
-
- /* set WFI to SLEEP mode configuration */
- tmp = __raw_readl(S5P64X0_SLEEP_CFG);
- tmp &= ~(S5P64X0_SLEEP_CFG_OSC_EN);
- __raw_writel(tmp, S5P64X0_SLEEP_CFG);
-
- tmp = __raw_readl(S5P64X0_PWR_CFG);
- tmp &= ~(S5P64X0_PWR_CFG_WFI_MASK);
- tmp |= S5P64X0_PWR_CFG_WFI_SLEEP;
- __raw_writel(tmp, S5P64X0_PWR_CFG);
-
- /*
- * set OTHERS register to disable interrupt before going to
- * sleep. This bit is present only in S5P6450, it is reserved
- * in S5P6440.
- */
- if (soc_is_s5p6450()) {
- tmp = __raw_readl(S5P64X0_OTHERS);
- tmp |= S5P6450_OTHERS_DISABLE_INT;
- __raw_writel(tmp, S5P64X0_OTHERS);
- }
-
- /* ensure previous wakeup state is cleared before sleeping */
- __raw_writel(__raw_readl(S5P64X0_WAKEUP_STAT), S5P64X0_WAKEUP_STAT);
-
-}
-
-static int s5p64x0_pm_add(struct device *dev, struct subsys_interface *sif)
-{
- pm_cpu_prep = s5p64x0_pm_prepare;
- pm_cpu_sleep = s5p64x0_cpu_suspend;
-
- return 0;
-}
-
-static struct subsys_interface s5p64x0_pm_interface = {
- .name = "s5p64x0_pm",
- .subsys = &s5p64x0_subsys,
- .add_dev = s5p64x0_pm_add,
-};
-
-static __init int s5p64x0_pm_drvinit(void)
-{
- s3c_pm_init();
-
- return subsys_interface_register(&s5p64x0_pm_interface);
-}
-arch_initcall(s5p64x0_pm_drvinit);
-
-static void s5p64x0_pm_resume(void)
-{
- u32 tmp;
-
- tmp = __raw_readl(S5P64X0_OTHERS);
- tmp |= (S5P64X0_OTHERS_RET_MMC0 | S5P64X0_OTHERS_RET_MMC1 | \
- S5P64X0_OTHERS_RET_UART);
- __raw_writel(tmp , S5P64X0_OTHERS);
-}
-
-static struct syscore_ops s5p64x0_pm_syscore_ops = {
- .resume = s5p64x0_pm_resume,
-};
-
-static __init int s5p64x0_pm_syscore_init(void)
-{
- register_syscore_ops(&s5p64x0_pm_syscore_ops);
-
- return 0;
-}
-arch_initcall(s5p64x0_pm_syscore_init);