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mvebu SoC suspend changes for v3.19

Browse source 
- Armada 370/XP suspend/resume support
 
  - mvebu SoC driver suspend/resume support
     - irqchip
     - clocksource
     - mbus
     - clk
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Merge tag 'mvebu-soc-suspend-3.19' of git://git.infradead.org/linux-mvebu into next/soc

Pull "mvebu SoC suspend changes for v3.19" from Jason Cooper:

 - Armada 370/XP suspend/resume support

 - mvebu SoC driver suspend/resume support
    - irqchip
    - clocksource
    - mbus
    - clk

* tag 'mvebu-soc-suspend-3.19' of git://git.infradead.org/linux-mvebu:
  ARM: mvebu: add SDRAM controller description for Armada XP
  ARM: mvebu: adjust mbus controller description on Armada 370/XP
  ARM: mvebu: add suspend/resume DT information for Armada XP GP
  ARM: mvebu: synchronize secondary CPU clocks on resume
  ARM: mvebu: make sure MMU is disabled in armada_370_xp_cpu_resume
  ARM: mvebu: Armada XP GP specific suspend/resume code
  ARM: mvebu: reserve the first 10 KB of each memory bank for suspend/resume
  ARM: mvebu: implement suspend/resume support for Armada XP
  clk: mvebu: add suspend/resume for gatable clocks
  bus: mvebu-mbus: provide a mechanism to save SDRAM window configuration
  bus: mvebu-mbus: suspend/resume support
  clocksource: time-armada-370-xp: add suspend/resume support
  irqchip: armada-370-xp: Add suspend/resume support
  Documentation: dt-bindings: minimal documentation for MVEBU SDRAM controller

Signed-off-by: Arnd Bergmann <[email protected]>
This commit is contained in:
Arnd Bergmann 2014-12-04 16:46:43 +01:00
commit ab64920c37
18 changed files with 777 additions and 32 deletions
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25
drivers/clocksource/time-armada-370-xp.c
View file

@ -43,6 +43,7 @@
#include <linux/module.h>
#include <linux/sched_clock.h>
#include <linux/percpu.h>
#include <linux/syscore_ops.h>
/*
* Timer block registers.
@ -223,6 +224,28 @@ static struct notifier_block armada_370_xp_timer_cpu_nb = {
.notifier_call = armada_370_xp_timer_cpu_notify,
};
static u32 timer0_ctrl_reg, timer0_local_ctrl_reg;
static int armada_370_xp_timer_suspend(void)
{
timer0_ctrl_reg = readl(timer_base + TIMER_CTRL_OFF);
timer0_local_ctrl_reg = readl(local_base + TIMER_CTRL_OFF);
return 0;
}
static void armada_370_xp_timer_resume(void)
{
writel(0xffffffff, timer_base + TIMER0_VAL_OFF);
writel(0xffffffff, timer_base + TIMER0_RELOAD_OFF);
writel(timer0_ctrl_reg, timer_base + TIMER_CTRL_OFF);
writel(timer0_local_ctrl_reg, local_base + TIMER_CTRL_OFF);
}
struct syscore_ops armada_370_xp_timer_syscore_ops = {
.suspend = armada_370_xp_timer_suspend,
.resume = armada_370_xp_timer_resume,
};
static void __init armada_370_xp_timer_common_init(struct device_node *np)
{
u32 clr = 0, set = 0;
@ -285,6 +308,8 @@ static void __init armada_370_xp_timer_common_init(struct device_node *np)
/* Immediately configure the timer on the boot CPU */
if (!res)
armada_370_xp_timer_setup(this_cpu_ptr(armada_370_xp_evt));
register_syscore_ops(&armada_370_xp_timer_syscore_ops);
}
static void __init armada_xp_timer_init(struct device_node *np)