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authorKukjin Kim <kgene.kim@samsung.com>2014-07-02 07:50:15 +0900
committerKukjin Kim <kgene.kim@samsung.com>2014-07-08 07:06:19 +0900
commit070b8b436b5510a213b7f38e120ff6cc4d0e89a1 (patch)
treea3d6d00de3aa812b09ffc79d2b9df81c55dfd018 /arch/arm/mach-s5p64x0/pm.c
parenta497c3ba1d97fc69c1e78e7b96435ba8c2cb42ee (diff)
ARM: S5P64X0: no more support S5P6440 and S5P6450 SoCs
This patch removes supporting codes for s5p6440 and s5p6450 because seems no more used now. And if its supporting is required, DT based codes should be supprted next time. Acked-by: Arnd Bergmann <arnd@arndb.de> Cc: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/mach-s5p64x0/pm.c')
-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);