diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 5b894d6..d9a61ca 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -348,6 +348,7 @@ config ARCH_BCM2709
select MACH_BCM2709
select VC4
select FIQ
+ select IPIPE_ARM_KUSER_TSC if IPIPE
help
This enables support for Broadcom BCM2709 boards.
diff --git a/arch/arm/mach-bcm2709/armctrl.c
b/arch/arm/mach-bcm2709/armctrl.c
index 90805a6..2e681d0 100644
--- a/arch/arm/mach-bcm2709/armctrl.c
+++ b/arch/arm/mach-bcm2709/armctrl.c
@@ -348,6 +348,10 @@ static struct irq_chip armctrl_chip = {
.irq_mask = armctrl_mask_irq,
.irq_unmask = armctrl_unmask_irq,
.irq_set_wake = armctrl_set_wake,
+#ifdef CONFIG_IPIPE
+ .irq_hold = armctrl_mask_irq,
+ .irq_release = armctrl_unmask_irq,
+#endif
};
/**
diff --git a/arch/arm/mach-bcm2709/bcm2708_gpio.c
b/arch/arm/mach-bcm2709/bcm2708_gpio.c
index e33265d..be827b4 100644
--- a/arch/arm/mach-bcm2709/bcm2708_gpio.c
+++ b/arch/arm/mach-bcm2709/bcm2708_gpio.c
@@ -24,6 +24,7 @@
#include <linux/pinctrl/consumer.h>
#include <linux/platform_data/bcm2708.h>
+#include <linux/ipipe.h>
#define BCM_GPIO_DRIVER_NAME "bcm2708_gpio"
#define DRIVER_NAME BCM_GPIO_DRIVER_NAME
@@ -56,7 +57,8 @@ enum { GPIO_FSEL_INPUT, GPIO_FSEL_OUTPUT,
* the GPIO code. This also makes the case of a GPIO routine call from
* the IRQ code simpler.
*/
-static DEFINE_SPINLOCK(lock); /* GPIO registers */
+static IPIPE_DEFINE_SPINLOCK(lock); /* GPIO registers */
+
struct bcm2708_gpio {
struct list_head list;
@@ -294,7 +296,7 @@ static irqreturn_t bcm2708_gpio_interrupt(int irq, void *dev_id)
if (!(level_bits & (1<<i)))
writel(1<<i,
__io_address(GPIO_BASE) + GPIOEDS(bank));
- generic_handle_irq(gpio_to_irq(gpio));
+ ipipe_handle_demuxed_irq(gpio_to_irq(gpio));
/* ack level triggered IRQ after handling them */
if (level_bits & (1<<i))
writel(1<<i,
diff --git a/arch/arm/mach-bcm2709/bcm2709.c
b/arch/arm/mach-bcm2709/bcm2709.c
index e1934dc..fc66fce 100644
--- a/arch/arm/mach-bcm2709/bcm2709.c
+++ b/arch/arm/mach-bcm2709/bcm2709.c
@@ -1104,11 +1104,13 @@ static void __init bcm2709_timer_init(void)
static void __init bcm2709_timer_init(void)
{
extern void dc4_arch_timer_init(void);
+#ifndef CONFIG_IPIPE
// timer control
writel(0, __io_address(ARM_LOCAL_CONTROL));
// timer pre_scaler
writel(0x80000000, __io_address(ARM_LOCAL_PRESCALER)); // 19.2MHz
//writel(0x06AAAAAB, __io_address(ARM_LOCAL_PRESCALER)); // 1MHz
+#endif
if (use_dt)
{
@@ -1117,6 +1119,13 @@ static void __init bcm2709_timer_init(void)
}
else
dc4_arch_timer_init();
+
+#ifdef CONFIG_IPIPE
+ // timer control
+ writel(0, __io_address(ARM_LOCAL_CONTROL));
+ // timer pre_scaler
+ writel(0x80000000, __io_address(ARM_LOCAL_PRESCALER)); // 19.2MHz
+#endif
}
#endif
diff --git a/arch/arm/mach-bcm2709/include/mach/entry-macro.S
b/arch/arm/mach-bcm2709/include/mach/entry-macro.S
index 08d184c..53d3c46 100644
--- a/arch/arm/mach-bcm2709/include/mach/entry-macro.S
+++ b/arch/arm/mach-bcm2709/include/mach/entry-macro.S
@@ -52,8 +52,12 @@
dsb
mov r1, sp
adr lr, BSYM(1b)
+#ifdef CONFIG_IPIPE
+ b __ipipe_grab_ipi
+#else
b do_IPI
#endif
+#endif
1030:
/* check gpu interrupt */
tst \tmp, #0x100
@@ -107,7 +111,11 @@
@ routine called with r0 = irq number, r1 = struct pt_regs *
@
adr lr, BSYM(1b)
+#ifdef CONFIG_IPIPE
+ b __ipipe_grab_irq
+#else
b asm_do_IRQ
+#endif
1020: @ EQ will be set if no irqs pending
.endm