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authorOlof Johansson <olof@lixom.net>2012-09-20 21:16:30 -0700
committerOlof Johansson <olof@lixom.net>2012-09-20 21:16:30 -0700
commitb74aae9a2074e1caa2e40bf119f3a633f77c94e4 (patch)
treeba465514cff017a3213e65556674c68be5db29f6 /arch/arm/mach-pnx4008/pm.c
parent5698bd757d55b1bb87edd1a9744ab09c142abfc2 (diff)
parentb97ba3ab4e8ec88164a47c98c91955e90ecd7c6a (diff)
Merge branch 'next/cleanup' into next/multiplatform
* next/cleanup: (358 commits) ARM: tegra: harmony: fix ldo7 regulator-name ARM: OMAP2+: Make omap4-keypad.h local ARM: OMAP2+: Make l4_3xxx.h local ARM: OMAP2+: Make l4_2xxx.h local ARM: OMAP2+: Make l3_3xxx.h local ARM: OMAP2+: Make l3_2xxx.h local ARM: OMAP1: Move irda.h from plat to mach ARM: OMAP2+: Make hdq1w.h local ARM: OMAP2+: Make gpmc-smsc911x.h local ARM: OMAP2+: Make gpmc-smc91x.h local ARM: OMAP1: Move flash.h from plat to mach ARM: OMAP2+: Make debug-devices.h local ARM: OMAP1: Move board-voiceblue.h from plat to mach ARM: OMAP1: Move board-sx1.h from plat to mach ARM: OMAP2+: Make omap-wakeupgen.h local ARM: OMAP2+: Make omap-secure.h local ARM: OMAP2+: Make ctrl_module_wkup_44xx.h local ARM: OMAP2+: Make ctrl_module_pad_wkup_44xx.h local ARM: OMAP2+: Make ctrl_module_pad_core_44xx.h local ARM: OMAP2+: Make ctrl_module_core_44xx.h local ...
Diffstat (limited to 'arch/arm/mach-pnx4008/pm.c')
-rw-r--r--arch/arm/mach-pnx4008/pm.c153
1 files changed, 0 insertions, 153 deletions
diff --git a/arch/arm/mach-pnx4008/pm.c b/arch/arm/mach-pnx4008/pm.c
deleted file mode 100644
index 26f8d06b142..00000000000
--- a/arch/arm/mach-pnx4008/pm.c
+++ /dev/null
@@ -1,153 +0,0 @@
-/*
- * arch/arm/mach-pnx4008/pm.c
- *
- * Power Management driver for PNX4008
- *
- * Authors: Vitaly Wool, Dmitry Chigirev <source@mvista.com>
- *
- * 2005 (c) MontaVista Software, Inc. This file is licensed under
- * the terms of the GNU General Public License version 2. This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
- */
-
-#include <linux/pm.h>
-#include <linux/rtc.h>
-#include <linux/sched.h>
-#include <linux/proc_fs.h>
-#include <linux/suspend.h>
-#include <linux/delay.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-#include <linux/slab.h>
-
-#include <asm/cacheflush.h>
-
-#include <mach/hardware.h>
-#include <mach/pm.h>
-#include <mach/clock.h>
-
-#define SRAM_VA IO_ADDRESS(PNX4008_IRAM_BASE)
-
-static void *saved_sram;
-
-static struct clk *pll4_clk;
-
-static inline void pnx4008_standby(void)
-{
- void (*pnx4008_cpu_standby_ptr) (void);
-
- local_irq_disable();
- local_fiq_disable();
-
- clk_disable(pll4_clk);
-
- /*saving portion of SRAM to be used by suspend function. */
- memcpy(saved_sram, (void *)SRAM_VA, pnx4008_cpu_standby_sz);
-
- /*make sure SRAM copy gets physically written into SDRAM.
- SDRAM will be placed into self-refresh during power down */
- flush_cache_all();
-
- /*copy suspend function into SRAM */
- memcpy((void *)SRAM_VA, pnx4008_cpu_standby, pnx4008_cpu_standby_sz);
-
- /*do suspend */
- pnx4008_cpu_standby_ptr = (void *)SRAM_VA;
- pnx4008_cpu_standby_ptr();
-
- /*restoring portion of SRAM that was used by suspend function */
- memcpy((void *)SRAM_VA, saved_sram, pnx4008_cpu_standby_sz);
-
- clk_enable(pll4_clk);
-
- local_fiq_enable();
- local_irq_enable();
-}
-
-static inline void pnx4008_suspend(void)
-{
- void (*pnx4008_cpu_suspend_ptr) (void);
-
- local_irq_disable();
- local_fiq_disable();
-
- clk_disable(pll4_clk);
-
- __raw_writel(0xffffffff, START_INT_RSR_REG(SE_PIN_BASE_INT));
- __raw_writel(0xffffffff, START_INT_RSR_REG(SE_INT_BASE_INT));
-
- /*saving portion of SRAM to be used by suspend function. */
- memcpy(saved_sram, (void *)SRAM_VA, pnx4008_cpu_suspend_sz);
-
- /*make sure SRAM copy gets physically written into SDRAM.
- SDRAM will be placed into self-refresh during power down */
- flush_cache_all();
-
- /*copy suspend function into SRAM */
- memcpy((void *)SRAM_VA, pnx4008_cpu_suspend, pnx4008_cpu_suspend_sz);
-
- /*do suspend */
- pnx4008_cpu_suspend_ptr = (void *)SRAM_VA;
- pnx4008_cpu_suspend_ptr();
-
- /*restoring portion of SRAM that was used by suspend function */
- memcpy((void *)SRAM_VA, saved_sram, pnx4008_cpu_suspend_sz);
-
- clk_enable(pll4_clk);
-
- local_fiq_enable();
- local_irq_enable();
-}
-
-static int pnx4008_pm_enter(suspend_state_t state)
-{
- switch (state) {
- case PM_SUSPEND_STANDBY:
- pnx4008_standby();
- break;
- case PM_SUSPEND_MEM:
- pnx4008_suspend();
- break;
- }
- return 0;
-}
-
-static int pnx4008_pm_valid(suspend_state_t state)
-{
- return (state == PM_SUSPEND_STANDBY) ||
- (state == PM_SUSPEND_MEM);
-}
-
-static const struct platform_suspend_ops pnx4008_pm_ops = {
- .enter = pnx4008_pm_enter,
- .valid = pnx4008_pm_valid,
-};
-
-int __init pnx4008_pm_init(void)
-{
- u32 sram_size_to_allocate;
-
- pll4_clk = clk_get(0, "ck_pll4");
- if (IS_ERR(pll4_clk)) {
- printk(KERN_ERR
- "PM Suspend cannot acquire ARM(PLL4) clock control\n");
- return PTR_ERR(pll4_clk);
- }
-
- if (pnx4008_cpu_standby_sz > pnx4008_cpu_suspend_sz)
- sram_size_to_allocate = pnx4008_cpu_standby_sz;
- else
- sram_size_to_allocate = pnx4008_cpu_suspend_sz;
-
- saved_sram = kmalloc(sram_size_to_allocate, GFP_ATOMIC);
- if (!saved_sram) {
- printk(KERN_ERR
- "PM Suspend: cannot allocate memory to save portion of SRAM\n");
- clk_put(pll4_clk);
- return -ENOMEM;
- }
-
- suspend_set_ops(&pnx4008_pm_ops);
- return 0;
-}