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Diffstat (limited to 'arch/arm/mach-omap2/omap-wakeupgen.c')
-rw-r--r--arch/arm/mach-omap2/omap-wakeupgen.c85
1 files changed, 46 insertions, 39 deletions
diff --git a/arch/arm/mach-omap2/omap-wakeupgen.c b/arch/arm/mach-omap2/omap-wakeupgen.c
index 5d3b4f4f81a..37843a7d363 100644
--- a/arch/arm/mach-omap2/omap-wakeupgen.c
+++ b/arch/arm/mach-omap2/omap-wakeupgen.c
@@ -24,8 +24,7 @@
#include <linux/cpu.h>
#include <linux/notifier.h>
#include <linux/cpu_pm.h>
-
-#include <asm/hardware/gic.h>
+#include <linux/irqchip/arm-gic.h>
#include "omap-wakeupgen.h"
#include "omap-secure.h"
@@ -34,8 +33,12 @@
#include "omap4-sar-layout.h"
#include "common.h"
-#define MAX_NR_REG_BANKS 5
-#define MAX_IRQS 160
+#define AM43XX_NR_REG_BANKS 7
+#define AM43XX_IRQS 224
+#define MAX_NR_REG_BANKS AM43XX_NR_REG_BANKS
+#define MAX_IRQS AM43XX_IRQS
+#define DEFAULT_NR_REG_BANKS 5
+#define DEFAULT_IRQS 160
#define WKG_MASK_ALL 0x00000000
#define WKG_UNMASK_ALL 0xffffffff
#define CPU_ENA_OFFSET 0x400
@@ -46,10 +49,10 @@
static void __iomem *wakeupgen_base;
static void __iomem *sar_base;
-static DEFINE_SPINLOCK(wakeupgen_lock);
+static DEFINE_RAW_SPINLOCK(wakeupgen_lock);
static unsigned int irq_target_cpu[MAX_IRQS];
-static unsigned int irq_banks = MAX_NR_REG_BANKS;
-static unsigned int max_irqs = MAX_IRQS;
+static unsigned int irq_banks = DEFAULT_NR_REG_BANKS;
+static unsigned int max_irqs = DEFAULT_IRQS;
static unsigned int omap_secure_apis;
/*
@@ -57,19 +60,19 @@ static unsigned int omap_secure_apis;
*/
static inline u32 wakeupgen_readl(u8 idx, u32 cpu)
{
- return __raw_readl(wakeupgen_base + OMAP_WKG_ENB_A_0 +
+ return readl_relaxed(wakeupgen_base + OMAP_WKG_ENB_A_0 +
(cpu * CPU_ENA_OFFSET) + (idx * 4));
}
static inline void wakeupgen_writel(u32 val, u8 idx, u32 cpu)
{
- __raw_writel(val, wakeupgen_base + OMAP_WKG_ENB_A_0 +
+ writel_relaxed(val, wakeupgen_base + OMAP_WKG_ENB_A_0 +
(cpu * CPU_ENA_OFFSET) + (idx * 4));
}
static inline void sar_writel(u32 val, u32 offset, u8 idx)
{
- __raw_writel(val, sar_base + offset + (idx * 4));
+ writel_relaxed(val, sar_base + offset + (idx * 4));
}
static inline int _wakeupgen_get_irq_info(u32 irq, u32 *bit_posn, u8 *reg_index)
@@ -134,9 +137,9 @@ static void wakeupgen_mask(struct irq_data *d)
{
unsigned long flags;
- spin_lock_irqsave(&wakeupgen_lock, flags);
- _wakeupgen_clear(d->irq, irq_target_cpu[d->irq]);
- spin_unlock_irqrestore(&wakeupgen_lock, flags);
+ raw_spin_lock_irqsave(&wakeupgen_lock, flags);
+ _wakeupgen_clear(d->hwirq, irq_target_cpu[d->hwirq]);
+ raw_spin_unlock_irqrestore(&wakeupgen_lock, flags);
}
/*
@@ -146,9 +149,9 @@ static void wakeupgen_unmask(struct irq_data *d)
{
unsigned long flags;
- spin_lock_irqsave(&wakeupgen_lock, flags);
- _wakeupgen_set(d->irq, irq_target_cpu[d->irq]);
- spin_unlock_irqrestore(&wakeupgen_lock, flags);
+ raw_spin_lock_irqsave(&wakeupgen_lock, flags);
+ _wakeupgen_set(d->hwirq, irq_target_cpu[d->hwirq]);
+ raw_spin_unlock_irqrestore(&wakeupgen_lock, flags);
}
#ifdef CONFIG_HOTPLUG_CPU
@@ -189,7 +192,7 @@ static void wakeupgen_irqmask_all(unsigned int cpu, unsigned int set)
{
unsigned long flags;
- spin_lock_irqsave(&wakeupgen_lock, flags);
+ raw_spin_lock_irqsave(&wakeupgen_lock, flags);
if (set) {
_wakeupgen_save_masks(cpu);
_wakeupgen_set_all(cpu, WKG_MASK_ALL);
@@ -197,7 +200,7 @@ static void wakeupgen_irqmask_all(unsigned int cpu, unsigned int set)
_wakeupgen_set_all(cpu, WKG_UNMASK_ALL);
_wakeupgen_restore_masks(cpu);
}
- spin_unlock_irqrestore(&wakeupgen_lock, flags);
+ raw_spin_unlock_irqrestore(&wakeupgen_lock, flags);
}
#endif
@@ -228,21 +231,21 @@ static inline void omap4_irq_save_context(void)
}
/* Save AuxBoot* registers */
- val = __raw_readl(wakeupgen_base + OMAP_AUX_CORE_BOOT_0);
- __raw_writel(val, sar_base + AUXCOREBOOT0_OFFSET);
- val = __raw_readl(wakeupgen_base + OMAP_AUX_CORE_BOOT_1);
- __raw_writel(val, sar_base + AUXCOREBOOT1_OFFSET);
+ val = readl_relaxed(wakeupgen_base + OMAP_AUX_CORE_BOOT_0);
+ writel_relaxed(val, sar_base + AUXCOREBOOT0_OFFSET);
+ val = readl_relaxed(wakeupgen_base + OMAP_AUX_CORE_BOOT_1);
+ writel_relaxed(val, sar_base + AUXCOREBOOT1_OFFSET);
/* Save SyncReq generation logic */
- val = __raw_readl(wakeupgen_base + OMAP_PTMSYNCREQ_MASK);
- __raw_writel(val, sar_base + PTMSYNCREQ_MASK_OFFSET);
- val = __raw_readl(wakeupgen_base + OMAP_PTMSYNCREQ_EN);
- __raw_writel(val, sar_base + PTMSYNCREQ_EN_OFFSET);
+ val = readl_relaxed(wakeupgen_base + OMAP_PTMSYNCREQ_MASK);
+ writel_relaxed(val, sar_base + PTMSYNCREQ_MASK_OFFSET);
+ val = readl_relaxed(wakeupgen_base + OMAP_PTMSYNCREQ_EN);
+ writel_relaxed(val, sar_base + PTMSYNCREQ_EN_OFFSET);
/* Set the Backup Bit Mask status */
- val = __raw_readl(sar_base + SAR_BACKUP_STATUS_OFFSET);
+ val = readl_relaxed(sar_base + SAR_BACKUP_STATUS_OFFSET);
val |= SAR_BACKUP_STATUS_WAKEUPGEN;
- __raw_writel(val, sar_base + SAR_BACKUP_STATUS_OFFSET);
+ writel_relaxed(val, sar_base + SAR_BACKUP_STATUS_OFFSET);
}
@@ -261,15 +264,15 @@ static inline void omap5_irq_save_context(void)
}
/* Save AuxBoot* registers */
- val = __raw_readl(wakeupgen_base + OMAP_AUX_CORE_BOOT_0);
- __raw_writel(val, sar_base + OMAP5_AUXCOREBOOT0_OFFSET);
- val = __raw_readl(wakeupgen_base + OMAP_AUX_CORE_BOOT_0);
- __raw_writel(val, sar_base + OMAP5_AUXCOREBOOT1_OFFSET);
+ val = readl_relaxed(wakeupgen_base + OMAP_AUX_CORE_BOOT_0);
+ writel_relaxed(val, sar_base + OMAP5_AUXCOREBOOT0_OFFSET);
+ val = readl_relaxed(wakeupgen_base + OMAP_AUX_CORE_BOOT_0);
+ writel_relaxed(val, sar_base + OMAP5_AUXCOREBOOT1_OFFSET);
/* Set the Backup Bit Mask status */
- val = __raw_readl(sar_base + OMAP5_SAR_BACKUP_STATUS_OFFSET);
+ val = readl_relaxed(sar_base + OMAP5_SAR_BACKUP_STATUS_OFFSET);
val |= SAR_BACKUP_STATUS_WAKEUPGEN;
- __raw_writel(val, sar_base + OMAP5_SAR_BACKUP_STATUS_OFFSET);
+ writel_relaxed(val, sar_base + OMAP5_SAR_BACKUP_STATUS_OFFSET);
}
@@ -303,9 +306,9 @@ static void irq_sar_clear(void)
if (soc_is_omap54xx())
offset = OMAP5_SAR_BACKUP_STATUS_OFFSET;
- val = __raw_readl(sar_base + offset);
+ val = readl_relaxed(sar_base + offset);
val &= ~SAR_BACKUP_STATUS_WAKEUPGEN;
- __raw_writel(val, sar_base + offset);
+ writel_relaxed(val, sar_base + offset);
}
/*
@@ -324,8 +327,8 @@ static void irq_save_secure_context(void)
#endif
#ifdef CONFIG_HOTPLUG_CPU
-static int __cpuinit irq_cpu_hotplug_notify(struct notifier_block *self,
- unsigned long action, void *hcpu)
+static int irq_cpu_hotplug_notify(struct notifier_block *self,
+ unsigned long action, void *hcpu)
{
unsigned int cpu = (unsigned int)hcpu;
@@ -419,12 +422,16 @@ int __init omap_wakeupgen_init(void)
irq_banks = OMAP4_NR_BANKS;
max_irqs = OMAP4_NR_IRQS;
omap_secure_apis = 1;
+ } else if (soc_is_am43xx()) {
+ irq_banks = AM43XX_NR_REG_BANKS;
+ max_irqs = AM43XX_IRQS;
}
/* Clear all IRQ bitmasks at wakeupGen level */
for (i = 0; i < irq_banks; i++) {
wakeupgen_writel(0, i, CPU0_ID);
- wakeupgen_writel(0, i, CPU1_ID);
+ if (!soc_is_am43xx())
+ wakeupgen_writel(0, i, CPU1_ID);
}
/*
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 12:19:36 +0000