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-rw-r--r--arch/arm/mach-msm/Kconfig5
-rw-r--r--arch/arm/mach-msm/Makefile4
-rw-r--r--arch/arm/mach-msm/board-trout-gpio.c42
-rw-r--r--arch/arm/mach-msm/gpio.c48
-rw-r--r--arch/arm/mach-msm/headsmp.S40
-rw-r--r--arch/arm/mach-msm/hotplug.c91
-rw-r--r--arch/arm/mach-msm/include/mach/entry-macro-qgic.S2
-rw-r--r--arch/arm/mach-msm/include/mach/msm_iomap-8x60.h6
-rw-r--r--arch/arm/mach-msm/io.c3
-rw-r--r--arch/arm/mach-msm/irq-vic.c65
-rw-r--r--arch/arm/mach-msm/irq.c45
-rw-r--r--arch/arm/mach-msm/platsmp.c166
-rw-r--r--arch/arm/mach-msm/scm-boot.c39
-rw-r--r--arch/arm/mach-msm/scm-boot.h38
-rw-r--r--arch/arm/mach-msm/scm.c287
-rw-r--r--arch/arm/mach-msm/scm.h41
-rw-r--r--arch/arm/mach-msm/sirc.c39
-rw-r--r--arch/arm/mach-msm/timer.c125
18 files changed, 939 insertions, 147 deletions
diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig
index fae931ac2e56..5d3d9ade12fb 100644
--- a/arch/arm/mach-msm/Kconfig
+++ b/arch/arm/mach-msm/Kconfig
@@ -40,11 +40,13 @@ config ARCH_MSM8X60
bool "MSM8X60"
select MACH_MSM8X60_SURF if (!MACH_MSM8X60_RUMI3 && !MACH_MSM8X60_SIM \
&& !MACH_MSM8X60_FFA)
+ select ARCH_MSM_SCORPIONMP
select ARM_GIC
select CPU_V7
select MSM_V2_TLMM
select MSM_GPIOMUX
select IOMMU_API
+ select MSM_SCM if SMP
endchoice
@@ -172,4 +174,7 @@ config MSM_V2_TLMM
config IOMMU_API
bool
+
+config MSM_SCM
+ bool
endif
diff --git a/arch/arm/mach-msm/Makefile b/arch/arm/mach-msm/Makefile
index 59646bbd6195..94195c190e13 100644
--- a/arch/arm/mach-msm/Makefile
+++ b/arch/arm/mach-msm/Makefile
@@ -18,6 +18,10 @@ obj-$(CONFIG_MSM_PROC_COMM) += clock.o
obj-$(CONFIG_ARCH_QSD8X50) += sirc.o
obj-$(CONFIG_MSM_SMD) += smd.o smd_debug.o
obj-$(CONFIG_MSM_SMD) += last_radio_log.o
+obj-$(CONFIG_MSM_SCM) += scm.o scm-boot.o
+
+obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
+obj-$(CONFIG_SMP) += headsmp.o platsmp.o
obj-$(CONFIG_MACH_TROUT) += board-trout.o board-trout-gpio.o board-trout-mmc.o devices-msm7x00.o
obj-$(CONFIG_MACH_TROUT) += board-trout.o board-trout-gpio.o board-trout-mmc.o board-trout-panel.o devices-msm7x00.o
diff --git a/arch/arm/mach-msm/board-trout-gpio.c b/arch/arm/mach-msm/board-trout-gpio.c
index f8c09ef6666f..a604ec1e44bf 100644
--- a/arch/arm/mach-msm/board-trout-gpio.c
+++ b/arch/arm/mach-msm/board-trout-gpio.c
@@ -113,52 +113,52 @@ static struct msm_gpio_chip msm_gpio_banks[] = {
TROUT_GPIO_BANK("VIRTUAL", 0x12, TROUT_GPIO_VIRTUAL_BASE, 0),
};
-static void trout_gpio_irq_ack(unsigned int irq)
+static void trout_gpio_irq_ack(struct irq_data *d)
{
- int bank = TROUT_INT_TO_BANK(irq);
- uint8_t mask = TROUT_INT_TO_MASK(irq);
+ int bank = TROUT_INT_TO_BANK(d->irq);
+ uint8_t mask = TROUT_INT_TO_MASK(d->irq);
int reg = TROUT_BANK_TO_STAT_REG(bank);
- /*printk(KERN_INFO "trout_gpio_irq_ack irq %d\n", irq);*/
+ /*printk(KERN_INFO "trout_gpio_irq_ack irq %d\n", d->irq);*/
writeb(mask, TROUT_CPLD_BASE + reg);
}
-static void trout_gpio_irq_mask(unsigned int irq)
+static void trout_gpio_irq_mask(struct irq_data *d)
{
unsigned long flags;
uint8_t reg_val;
- int bank = TROUT_INT_TO_BANK(irq);
- uint8_t mask = TROUT_INT_TO_MASK(irq);
+ int bank = TROUT_INT_TO_BANK(d->irq);
+ uint8_t mask = TROUT_INT_TO_MASK(d->irq);
int reg = TROUT_BANK_TO_MASK_REG(bank);
local_irq_save(flags);
reg_val = trout_int_mask[bank] |= mask;
/*printk(KERN_INFO "trout_gpio_irq_mask irq %d => %d:%02x\n",
- irq, bank, reg_val);*/
+ d->irq, bank, reg_val);*/
writeb(reg_val, TROUT_CPLD_BASE + reg);
local_irq_restore(flags);
}
-static void trout_gpio_irq_unmask(unsigned int irq)
+static void trout_gpio_irq_unmask(struct irq_data *d)
{
unsigned long flags;
uint8_t reg_val;
- int bank = TROUT_INT_TO_BANK(irq);
- uint8_t mask = TROUT_INT_TO_MASK(irq);
+ int bank = TROUT_INT_TO_BANK(d->irq);
+ uint8_t mask = TROUT_INT_TO_MASK(d->irq);
int reg = TROUT_BANK_TO_MASK_REG(bank);
local_irq_save(flags);
reg_val = trout_int_mask[bank] &= ~mask;
/*printk(KERN_INFO "trout_gpio_irq_unmask irq %d => %d:%02x\n",
- irq, bank, reg_val);*/
+ d->irq, bank, reg_val);*/
writeb(reg_val, TROUT_CPLD_BASE + reg);
local_irq_restore(flags);
}
-int trout_gpio_irq_set_wake(unsigned int irq, unsigned int on)
+int trout_gpio_irq_set_wake(struct irq_data *d, unsigned int on)
{
unsigned long flags;
- int bank = TROUT_INT_TO_BANK(irq);
- uint8_t mask = TROUT_INT_TO_MASK(irq);
+ int bank = TROUT_INT_TO_BANK(d->irq);
+ uint8_t mask = TROUT_INT_TO_MASK(d->irq);
local_irq_save(flags);
if(on)
@@ -198,15 +198,15 @@ static void trout_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
}
int_base += TROUT_INT_BANK0_COUNT;
}
- desc->chip->ack(irq);
+ desc->irq_data.chip->irq_ack(&desc->irq_data);
}
static struct irq_chip trout_gpio_irq_chip = {
- .name = "troutgpio",
- .ack = trout_gpio_irq_ack,
- .mask = trout_gpio_irq_mask,
- .unmask = trout_gpio_irq_unmask,
- .set_wake = trout_gpio_irq_set_wake,
+ .name = "troutgpio",
+ .irq_ack = trout_gpio_irq_ack,
+ .irq_mask = trout_gpio_irq_mask,
+ .irq_unmask = trout_gpio_irq_unmask,
+ .irq_set_wake = trout_gpio_irq_set_wake,
};
/*
diff --git a/arch/arm/mach-msm/gpio.c b/arch/arm/mach-msm/gpio.c
index 33051b509e88..176af9dcb8ee 100644
--- a/arch/arm/mach-msm/gpio.c
+++ b/arch/arm/mach-msm/gpio.c
@@ -225,21 +225,21 @@ struct msm_gpio_chip msm_gpio_chips[] = {
#endif
};
-static void msm_gpio_irq_ack(unsigned int irq)
+static void msm_gpio_irq_ack(struct irq_data *d)
{
unsigned long irq_flags;
- struct msm_gpio_chip *msm_chip = get_irq_chip_data(irq);
+ struct msm_gpio_chip *msm_chip = irq_data_get_irq_chip_data(d);
spin_lock_irqsave(&msm_chip->lock, irq_flags);
msm_gpio_clear_detect_status(msm_chip,
- irq - gpio_to_irq(msm_chip->chip.base));
+ d->irq - gpio_to_irq(msm_chip->chip.base));
spin_unlock_irqrestore(&msm_chip->lock, irq_flags);
}
-static void msm_gpio_irq_mask(unsigned int irq)
+static void msm_gpio_irq_mask(struct irq_data *d)
{
unsigned long irq_flags;
- struct msm_gpio_chip *msm_chip = get_irq_chip_data(irq);
- unsigned offset = irq - gpio_to_irq(msm_chip->chip.base);
+ struct msm_gpio_chip *msm_chip = irq_data_get_irq_chip_data(d);
+ unsigned offset = d->irq - gpio_to_irq(msm_chip->chip.base);
spin_lock_irqsave(&msm_chip->lock, irq_flags);
/* level triggered interrupts are also latched */
@@ -250,11 +250,11 @@ static void msm_gpio_irq_mask(unsigned int irq)
spin_unlock_irqrestore(&msm_chip->lock, irq_flags);
}
-static void msm_gpio_irq_unmask(unsigned int irq)
+static void msm_gpio_irq_unmask(struct irq_data *d)
{
unsigned long irq_flags;
- struct msm_gpio_chip *msm_chip = get_irq_chip_data(irq);
- unsigned offset = irq - gpio_to_irq(msm_chip->chip.base);
+ struct msm_gpio_chip *msm_chip = irq_data_get_irq_chip_data(d);
+ unsigned offset = d->irq - gpio_to_irq(msm_chip->chip.base);
spin_lock_irqsave(&msm_chip->lock, irq_flags);
/* level triggered interrupts are also latched */
@@ -265,11 +265,11 @@ static void msm_gpio_irq_unmask(unsigned int irq)
spin_unlock_irqrestore(&msm_chip->lock, irq_flags);
}
-static int msm_gpio_irq_set_wake(unsigned int irq, unsigned int on)
+static int msm_gpio_irq_set_wake(struct irq_data *d, unsigned int on)
{
unsigned long irq_flags;
- struct msm_gpio_chip *msm_chip = get_irq_chip_data(irq);
- unsigned offset = irq - gpio_to_irq(msm_chip->chip.base);
+ struct msm_gpio_chip *msm_chip = irq_data_get_irq_chip_data(d);
+ unsigned offset = d->irq - gpio_to_irq(msm_chip->chip.base);
spin_lock_irqsave(&msm_chip->lock, irq_flags);
@@ -282,21 +282,21 @@ static int msm_gpio_irq_set_wake(unsigned int irq, unsigned int on)
return 0;
}
-static int msm_gpio_irq_set_type(unsigned int irq, unsigned int flow_type)
+static int msm_gpio_irq_set_type(struct irq_data *d, unsigned int flow_type)
{
unsigned long irq_flags;
- struct msm_gpio_chip *msm_chip = get_irq_chip_data(irq);
- unsigned offset = irq - gpio_to_irq(msm_chip->chip.base);
+ struct msm_gpio_chip *msm_chip = irq_data_get_irq_chip_data(d);
+ unsigned offset = d->irq - gpio_to_irq(msm_chip->chip.base);
unsigned val, mask = BIT(offset);
spin_lock_irqsave(&msm_chip->lock, irq_flags);
val = readl(msm_chip->regs.int_edge);
if (flow_type & IRQ_TYPE_EDGE_BOTH) {
writel(val | mask, msm_chip->regs.int_edge);
- irq_desc[irq].handle_irq = handle_edge_irq;
+ irq_desc[d->irq].handle_irq = handle_edge_irq;
} else {
writel(val & ~mask, msm_chip->regs.int_edge);
- irq_desc[irq].handle_irq = handle_level_irq;
+ irq_desc[d->irq].handle_irq = handle_level_irq;
}
if ((flow_type & IRQ_TYPE_EDGE_BOTH) == IRQ_TYPE_EDGE_BOTH) {
msm_chip->both_edge_detect |= mask;
@@ -333,16 +333,16 @@ static void msm_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
msm_chip->chip.base + j);
}
}
- desc->chip->ack(irq);
+ desc->irq_data.chip->irq_ack(&desc->irq_data);
}
static struct irq_chip msm_gpio_irq_chip = {
- .name = "msmgpio",
- .ack = msm_gpio_irq_ack,
- .mask = msm_gpio_irq_mask,
- .unmask = msm_gpio_irq_unmask,
- .set_wake = msm_gpio_irq_set_wake,
- .set_type = msm_gpio_irq_set_type,
+ .name = "msmgpio",
+ .irq_ack = msm_gpio_irq_ack,
+ .irq_mask = msm_gpio_irq_mask,
+ .irq_unmask = msm_gpio_irq_unmask,
+ .irq_set_wake = msm_gpio_irq_set_wake,
+ .irq_set_type = msm_gpio_irq_set_type,
};
static int __init msm_init_gpio(void)
diff --git a/arch/arm/mach-msm/headsmp.S b/arch/arm/mach-msm/headsmp.S
new file mode 100644
index 000000000000..d0c214338df9
--- /dev/null
+++ b/arch/arm/mach-msm/headsmp.S
@@ -0,0 +1,40 @@
+/*
+ * linux/arch/arm/mach-realview/headsmp.S
+ *
+ * Copyright (c) 2003 ARM Limited
+ * All Rights Reserved
+ *
+ * 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/linkage.h>
+#include <linux/init.h>
+
+ __INIT
+
+/*
+ * MSM specific entry point for secondary CPUs. This provides
+ * a "holding pen" into which all secondary cores are held until we're
+ * ready for them to initialise.
+ */
+ENTRY(msm_secondary_startup)
+ mrc p15, 0, r0, c0, c0, 5
+ and r0, r0, #15
+ adr r4, 1f
+ ldmia r4, {r5, r6}
+ sub r4, r4, r5
+ add r6, r6, r4
+pen: ldr r7, [r6]
+ cmp r7, r0
+ bne pen
+
+ /*
+ * we've been released from the holding pen: secondary_stack
+ * should now contain the SVC stack for this core
+ */
+ b secondary_startup
+
+ .align
+1: .long .
+ .long pen_release
diff --git a/arch/arm/mach-msm/hotplug.c b/arch/arm/mach-msm/hotplug.c
new file mode 100644
index 000000000000..5a31f70dfb8e
--- /dev/null
+++ b/arch/arm/mach-msm/hotplug.c
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2002 ARM Ltd.
+ * All Rights Reserved
+ *
+ * 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/kernel.h>
+#include <linux/errno.h>
+#include <linux/smp.h>
+
+#include <asm/cacheflush.h>
+
+extern volatile int pen_release;
+
+static inline void cpu_enter_lowpower(void)
+{
+ /* Just flush the cache. Changing the coherency is not yet
+ * available on msm. */
+ flush_cache_all();
+}
+
+static inline void cpu_leave_lowpower(void)
+{
+}
+
+static inline void platform_do_lowpower(unsigned int cpu)
+{
+ /* Just enter wfi for now. TODO: Properly shut off the cpu. */
+ for (;;) {
+ /*
+ * here's the WFI
+ */
+ asm("wfi"
+ :
+ :
+ : "memory", "cc");
+
+ if (pen_release == cpu) {
+ /*
+ * OK, proper wakeup, we're done
+ */
+ break;
+ }
+
+ /*
+ * getting here, means that we have come out of WFI without
+ * having been woken up - this shouldn't happen
+ *
+ * The trouble is, letting people know about this is not really
+ * possible, since we are currently running incoherently, and
+ * therefore cannot safely call printk() or anything else
+ */
+ pr_debug("CPU%u: spurious wakeup call\n", cpu);
+ }
+}
+
+int platform_cpu_kill(unsigned int cpu)
+{
+ return 1;
+}
+
+/*
+ * platform-specific code to shutdown a CPU
+ *
+ * Called with IRQs disabled
+ */
+void platform_cpu_die(unsigned int cpu)
+{
+ /*
+ * we're ready for shutdown now, so do it
+ */
+ cpu_enter_lowpower();
+ platform_do_lowpower(cpu);
+
+ /*
+ * bring this CPU back into the world of cache
+ * coherency, and then restore interrupts
+ */
+ cpu_leave_lowpower();
+}
+
+int platform_cpu_disable(unsigned int cpu)
+{
+ /*
+ * we don't allow CPU 0 to be shutdown (it is still too special
+ * e.g. clock tick interrupts)
+ */
+ return cpu == 0 ? -EPERM : 0;
+}
diff --git a/arch/arm/mach-msm/include/mach/entry-macro-qgic.S b/arch/arm/mach-msm/include/mach/entry-macro-qgic.S
index 4dc99aa65d07..12467157afb9 100644
--- a/arch/arm/mach-msm/include/mach/entry-macro-qgic.S
+++ b/arch/arm/mach-msm/include/mach/entry-macro-qgic.S
@@ -26,7 +26,7 @@
* The interrupt numbering scheme is defined in the
* interrupt controller spec. To wit:
*
- * Migrated the code from ARM MP port to be more consistant
+ * Migrated the code from ARM MP port to be more consistent
* with interrupt processing , the following still holds true
* however, all interrupts are treated the same regardless of
* if they are local IPI or PPI
diff --git a/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h b/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h
index 7c43a9bff1a9..a54e33b0882e 100644
--- a/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h
+++ b/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h
@@ -60,7 +60,11 @@
#define MSM_TMR_BASE IOMEM(0xF0200000)
#define MSM_TMR_PHYS 0x02000000
-#define MSM_TMR_SIZE (SZ_1M)
+#define MSM_TMR_SIZE SZ_4K
+
+#define MSM_TMR0_BASE IOMEM(0xF0201000)
+#define MSM_TMR0_PHYS 0x02040000
+#define MSM_TMR0_SIZE SZ_4K
#define MSM_GPT_BASE (MSM_TMR_BASE + 0x4)
#define MSM_DGT_BASE (MSM_TMR_BASE + 0x24)
diff --git a/arch/arm/mach-msm/io.c b/arch/arm/mach-msm/io.c
index f912d7bf1889..1260007a9dd1 100644
--- a/arch/arm/mach-msm/io.c
+++ b/arch/arm/mach-msm/io.c
@@ -105,6 +105,7 @@ static struct map_desc msm8x60_io_desc[] __initdata = {
MSM_DEVICE(QGIC_DIST),
MSM_DEVICE(QGIC_CPU),
MSM_DEVICE(TMR),
+ MSM_DEVICE(TMR0),
MSM_DEVICE(ACC),
MSM_DEVICE(GCC),
};
@@ -153,7 +154,7 @@ __msm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype)
{
if (mtype == MT_DEVICE) {
/* The peripherals in the 88000000 - D0000000 range
- * are only accessable by type MT_DEVICE_NONSHARED.
+ * are only accessible by type MT_DEVICE_NONSHARED.
* Adjust mtype as necessary to make this "just work."
*/
if ((phys_addr >= 0x88000000) && (phys_addr < 0xD0000000))
diff --git a/arch/arm/mach-msm/irq-vic.c b/arch/arm/mach-msm/irq-vic.c
index 99f2c3473033..68c28bbdc969 100644
--- a/arch/arm/mach-msm/irq-vic.c
+++ b/arch/arm/mach-msm/irq-vic.c
@@ -226,19 +226,18 @@ static inline void msm_irq_write_all_regs(void __iomem *base, unsigned int val)
writel(val, base + (i * 4));
}
-static void msm_irq_ack(unsigned int irq)
+static void msm_irq_ack(struct irq_data *d)
{
- void __iomem *reg = VIC_INT_TO_REG_ADDR(VIC_INT_CLEAR0, irq);
- irq = 1 << (irq & 31);
- writel(irq, reg);
+ void __iomem *reg = VIC_INT_TO_REG_ADDR(VIC_INT_CLEAR0, d->irq);
+ writel(1 << (d->irq & 31), reg);
}
-static void msm_irq_mask(unsigned int irq)
+static void msm_irq_mask(struct irq_data *d)
{
- void __iomem *reg = VIC_INT_TO_REG_ADDR(VIC_INT_ENCLEAR0, irq);
- unsigned index = VIC_INT_TO_REG_INDEX(irq);
- uint32_t mask = 1UL << (irq & 31);
- int smsm_irq = msm_irq_to_smsm[irq];
+ void __iomem *reg = VIC_INT_TO_REG_ADDR(VIC_INT_ENCLEAR0, d->irq);
+ unsigned index = VIC_INT_TO_REG_INDEX(d->irq);
+ uint32_t mask = 1UL << (d->irq & 31);
+ int smsm_irq = msm_irq_to_smsm[d->irq];
msm_irq_shadow_reg[index].int_en[0] &= ~mask;
writel(mask, reg);
@@ -250,12 +249,12 @@ static void msm_irq_mask(unsigned int irq)
}
}
-static void msm_irq_unmask(unsigned int irq)
+static void msm_irq_unmask(struct irq_data *d)
{
- void __iomem *reg = VIC_INT_TO_REG_ADDR(VIC_INT_ENSET0, irq);
- unsigned index = VIC_INT_TO_REG_INDEX(irq);
- uint32_t mask = 1UL << (irq & 31);
- int smsm_irq = msm_irq_to_smsm[irq];
+ void __iomem *reg = VIC_INT_TO_REG_ADDR(VIC_INT_ENSET0, d->irq);
+ unsigned index = VIC_INT_TO_REG_INDEX(d->irq);
+ uint32_t mask = 1UL << (d->irq & 31);
+ int smsm_irq = msm_irq_to_smsm[d->irq];
msm_irq_shadow_reg[index].int_en[0] |= mask;
writel(mask, reg);
@@ -268,14 +267,14 @@ static void msm_irq_unmask(unsigned int irq)
}
}
-static int msm_irq_set_wake(unsigned int irq, unsigned int on)
+static int msm_irq_set_wake(struct irq_data *d, unsigned int on)
{
- unsigned index = VIC_INT_TO_REG_INDEX(irq);
- uint32_t mask = 1UL << (irq & 31);
- int smsm_irq = msm_irq_to_smsm[irq];
+ unsigned index = VIC_INT_TO_REG_INDEX(d->irq);
+ uint32_t mask = 1UL << (d->irq & 31);
+ int smsm_irq = msm_irq_to_smsm[d->irq];
if (smsm_irq == 0) {
- printk(KERN_ERR "msm_irq_set_wake: bad wakeup irq %d\n", irq);
+ printk(KERN_ERR "msm_irq_set_wake: bad wakeup irq %d\n", d->irq);
return -EINVAL;
}
if (on)
@@ -294,12 +293,12 @@ static int msm_irq_set_wake(unsigned int irq, unsigned int on)
return 0;
}
-static int msm_irq_set_type(unsigned int irq, unsigned int flow_type)
+static int msm_irq_set_type(struct irq_data *d, unsigned int flow_type)
{
- void __iomem *treg = VIC_INT_TO_REG_ADDR(VIC_INT_TYPE0, irq);
- void __iomem *preg = VIC_INT_TO_REG_ADDR(VIC_INT_POLARITY0, irq);
- unsigned index = VIC_INT_TO_REG_INDEX(irq);
- int b = 1 << (irq & 31);
+ void __iomem *treg = VIC_INT_TO_REG_ADDR(VIC_INT_TYPE0, d->irq);
+ void __iomem *preg = VIC_INT_TO_REG_ADDR(VIC_INT_POLARITY0, d->irq);
+ unsigned index = VIC_INT_TO_REG_INDEX(d->irq);
+ int b = 1 << (d->irq & 31);
uint32_t polarity;
uint32_t type;
@@ -314,11 +313,11 @@ static int msm_irq_set_type(unsigned int irq, unsigned int flow_type)
type = msm_irq_shadow_reg[index].int_type;
if (flow_type & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING)) {
type |= b;
- irq_desc[irq].handle_irq = handle_edge_irq;
+ irq_desc[d->irq].handle_irq = handle_edge_irq;
}
if (flow_type & (IRQF_TRIGGER_HIGH | IRQF_TRIGGER_LOW)) {
type &= ~b;
- irq_desc[irq].handle_irq = handle_level_irq;
+ irq_desc[d->irq].handle_irq = handle_level_irq;
}
writel(type, treg);
msm_irq_shadow_reg[index].int_type = type;
@@ -326,13 +325,13 @@ static int msm_irq_set_type(unsigned int irq, unsigned int flow_type)
}
static struct irq_chip msm_irq_chip = {
- .name = "msm",
- .disable = msm_irq_mask,
- .ack = msm_irq_ack,
- .mask = msm_irq_mask,
- .unmask = msm_irq_unmask,
- .set_wake = msm_irq_set_wake,
- .set_type = msm_irq_set_type,
+ .name = "msm",
+ .irq_disable = msm_irq_mask,
+ .irq_ack = msm_irq_ack,
+ .irq_mask = msm_irq_mask,
+ .irq_unmask = msm_irq_unmask,
+ .irq_set_wake = msm_irq_set_wake,
+ .irq_set_type = msm_irq_set_type,
};
void __init msm_init_irq(void)
diff --git a/arch/arm/mach-msm/irq.c b/arch/arm/mach-msm/irq.c
index 6c8d5f8caef3..0b27d899f40e 100644
--- a/arch/arm/mach-msm/irq.c
+++ b/arch/arm/mach-msm/irq.c
@@ -64,35 +64,34 @@
#define VIC_VECTPRIORITY(n) VIC_REG(0x0200+((n) * 4))
#define VIC_VECTADDR(n) VIC_REG(0x0400+((n) * 4))
-static void msm_irq_ack(unsigned int irq)
+static void msm_irq_ack(struct irq_data *d)
{
- void __iomem *reg = VIC_INT_CLEAR0 + ((irq & 32) ? 4 : 0);
- irq = 1 << (irq & 31);
- writel(irq, reg);
+ void __iomem *reg = VIC_INT_CLEAR0 + ((d->irq & 32) ? 4 : 0);
+ writel(1 << (d->irq & 31), reg);
}
-static void msm_irq_mask(unsigned int irq)
+static void msm_irq_mask(struct irq_data *d)
{
- void __iomem *reg = VIC_INT_ENCLEAR0 + ((irq & 32) ? 4 : 0);
- writel(1 << (irq & 31), reg);
+ void __iomem *reg = VIC_INT_ENCLEAR0 + ((d->irq & 32) ? 4 : 0);
+ writel(1 << (d->irq & 31), reg);
}
-static void msm_irq_unmask(unsigned int irq)
+static void msm_irq_unmask(struct irq_data *d)
{
- void __iomem *reg = VIC_INT_ENSET0 + ((irq & 32) ? 4 : 0);
- writel(1 << (irq & 31), reg);
+ void __iomem *reg = VIC_INT_ENSET0 + ((d->irq & 32) ? 4 : 0);
+ writel(1 << (d->irq & 31), reg);
}
-static int msm_irq_set_wake(unsigned int irq, unsigned int on)
+static int msm_irq_set_wake(struct irq_data *d, unsigned int on)
{
return -EINVAL;
}
-static int msm_irq_set_type(unsigned int irq, unsigned int flow_type)
+static int msm_irq_set_type(struct irq_data *d, unsigned int flow_type)
{
- void __iomem *treg = VIC_INT_TYPE0 + ((irq & 32) ? 4 : 0);
- void __iomem *preg = VIC_INT_POLARITY0 + ((irq & 32) ? 4 : 0);
- int b = 1 << (irq & 31);
+ void __iomem *treg = VIC_INT_TYPE0 + ((d->irq & 32) ? 4 : 0);
+ void __iomem *preg = VIC_INT_POLARITY0 + ((d->irq & 32) ? 4 : 0);
+ int b = 1 << (d->irq & 31);
if (flow_type & (IRQF_TRIGGER_FALLING | IRQF_TRIGGER_LOW))
writel(readl(preg) | b, preg);
@@ -101,22 +100,22 @@ static int msm_irq_set_type(unsigned int irq, unsigned int flow_type)
if (flow_type & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING)) {
writel(readl(treg) | b, treg);
- irq_desc[irq].handle_irq = handle_edge_irq;
+ irq_desc[d->irq].handle_irq = handle_edge_irq;
}
if (flow_type & (IRQF_TRIGGER_HIGH | IRQF_TRIGGER_LOW)) {
writel(readl(treg) & (~b), treg);
- irq_desc[irq].handle_irq = handle_level_irq;
+ irq_desc[d->irq].handle_irq = handle_level_irq;
}
return 0;
}
static struct irq_chip msm_irq_chip = {
- .name = "msm",
- .ack = msm_irq_ack,
- .mask = msm_irq_mask,
- .unmask = msm_irq_unmask,
- .set_wake = msm_irq_set_wake,
- .set_type = msm_irq_set_type,
+ .name = "msm",
+ .irq_ack = msm_irq_ack,
+ .irq_mask = msm_irq_mask,
+ .irq_unmask = msm_irq_unmask,
+ .irq_set_wake = msm_irq_set_wake,
+ .irq_set_type = msm_irq_set_type,
};
void __init msm_init_irq(void)
diff --git a/arch/arm/mach-msm/platsmp.c b/arch/arm/mach-msm/platsmp.c
new file mode 100644
index 000000000000..0f427bc94447
--- /dev/null
+++ b/arch/arm/mach-msm/platsmp.c
@@ -0,0 +1,166 @@
+/*
+ * Copyright (C) 2002 ARM Ltd.
+ * All Rights Reserved
+ * Copyright (c) 2010, Code Aurora Forum. All rights reserved.
+ *
+ * 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/init.h>
+#include <linux/errno.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/jiffies.h>
+#include <linux/smp.h>
+#include <linux/io.h>
+
+#include <asm/hardware/gic.h>
+#include <asm/cacheflush.h>
+#include <asm/mach-types.h>
+
+#include <mach/msm_iomap.h>
+
+#include "scm-boot.h"
+
+#define VDD_SC1_ARRAY_CLAMP_GFS_CTL 0x15A0
+#define SCSS_CPU1CORE_RESET 0xD80
+#define SCSS_DBG_STATUS_CORE_PWRDUP 0xE64
+
+/* Mask for edge trigger PPIs except AVS_SVICINT and AVS_SVICINTSWDONE */
+#define GIC_PPI_EDGE_MASK 0xFFFFD7FF
+
+extern void msm_secondary_startup(void);
+/*
+ * control for which core is the next to come out of the secondary
+ * boot "holding pen".
+ */
+volatile int pen_release = -1;
+
+static DEFINE_SPINLOCK(boot_lock);
+
+void __cpuinit platform_secondary_init(unsigned int cpu)
+{
+ /* Configure edge-triggered PPIs */
+ writel(GIC_PPI_EDGE_MASK, MSM_QGIC_DIST_BASE + GIC_DIST_CONFIG + 4);
+
+ /*
+ * if any interrupts are already enabled for the primary
+ * core (e.g. timer irq), then they will not have been enabled
+ * for us: do so
+ */
+ gic_secondary_init(0);
+
+ /*
+ * let the primary processor know we're out of the
+ * pen, then head off into the C entry point
+ */
+ pen_release = -1;
+ smp_wmb();
+
+ /*
+ * Synchronise with the boot thread.
+ */
+ spin_lock(&boot_lock);
+ spin_unlock(&boot_lock);
+}
+
+static __cpuinit void prepare_cold_cpu(unsigned int cpu)
+{
+ int ret;
+ ret = scm_set_boot_addr(virt_to_phys(msm_secondary_startup),
+ SCM_FLAG_COLDBOOT_CPU1);
+ if (ret == 0) {
+ void *sc1_base_ptr;
+ sc1_base_ptr = ioremap_nocache(0x00902000, SZ_4K*2);
+ if (sc1_base_ptr) {
+ writel(0, sc1_base_ptr + VDD_SC1_ARRAY_CLAMP_GFS_CTL);
+ writel(0, sc1_base_ptr + SCSS_CPU1CORE_RESET);
+ writel(3, sc1_base_ptr + SCSS_DBG_STATUS_CORE_PWRDUP);
+ iounmap(sc1_base_ptr);
+ }
+ } else
+ printk(KERN_DEBUG "Failed to set secondary core boot "
+ "address\n");
+}
+
+int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
+{
+ unsigned long timeout;
+ static int cold_boot_done;
+
+ /* Only need to bring cpu out of reset this way once */
+ if (cold_boot_done == false) {
+ prepare_cold_cpu(cpu);
+ cold_boot_done = true;
+ }
+
+ /*
+ * set synchronisation state between this boot processor
+ * and the secondary one
+ */
+ spin_lock(&boot_lock);
+
+ /*
+ * The secondary processor is waiting to be released from
+ * the holding pen - release it, then wait for it to flag
+ * that it has been released by resetting pen_release.
+ *
+ * Note that "pen_release" is the hardware CPU ID, whereas
+ * "cpu" is Linux's internal ID.
+ */
+ pen_release = cpu;
+ __cpuc_flush_dcache_area((void *)&pen_release, sizeof(pen_release));
+ outer_clean_range(__pa(&pen_release), __pa(&pen_release + 1));
+
+ /*
+ * Send the secondary CPU a soft interrupt, thereby causing
+ * the boot monitor to read the system wide flags register,
+ * and branch to the address found there.
+ */
+ smp_cross_call(cpumask_of(cpu), 1);
+
+ timeout = jiffies + (1 * HZ);
+ while (time_before(jiffies, timeout)) {
+ smp_rmb();
+ if (pen_release == -1)
+ break;
+
+ udelay(10);
+ }
+
+ /*
+ * now the secondary core is starting up let it run its
+ * calibrations, then wait for it to finish
+ */
+ spin_unlock(&boot_lock);
+
+ return pen_release != -1 ? -ENOSYS : 0;
+}
+
+/*
+ * Initialise the CPU possible map early - this describes the CPUs
+ * which may be present or become present in the system. The msm8x60
+ * does not support the ARM SCU, so just set the possible cpu mask to
+ * NR_CPUS.
+ */
+void __init smp_init_cpus(void)
+{
+ unsigned int i;
+
+ for (i = 0; i < NR_CPUS; i++)
+ set_cpu_possible(i, true);
+}
+
+void __init platform_smp_prepare_cpus(unsigned int max_cpus)
+{
+ int i;
+
+ /*
+ * Initialise the present map, which describes the set of CPUs
+ * actually populated at the present time.
+ */
+ for (i = 0; i < max_cpus; i++)
+ set_cpu_present(i, true);
+}
diff --git a/arch/arm/mach-msm/scm-boot.c b/arch/arm/mach-msm/scm-boot.c
new file mode 100644
index 000000000000..45cee3e469a5
--- /dev/null
+++ b/arch/arm/mach-msm/scm-boot.c
@@ -0,0 +1,39 @@
+/* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/slab.h>
+
+#include "scm.h"
+#include "scm-boot.h"
+
+/*
+ * Set the cold/warm boot address for one of the CPU cores.
+ */
+int scm_set_boot_addr(phys_addr_t addr, int flags)
+{
+ struct {
+ unsigned int flags;
+ phys_addr_t addr;
+ } cmd;
+
+ cmd.addr = addr;
+ cmd.flags = flags;
+ return scm_call(SCM_SVC_BOOT, SCM_BOOT_ADDR,
+ &cmd, sizeof(cmd), NULL, 0);
+}
+EXPORT_SYMBOL(scm_set_boot_addr);
diff --git a/arch/arm/mach-msm/scm-boot.h b/arch/arm/mach-msm/scm-boot.h
new file mode 100644
index 000000000000..68f9b6153d74
--- /dev/null
+++ b/arch/arm/mach-msm/scm-boot.h
@@ -0,0 +1,38 @@
+/* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ * * Neither the name of Code Aurora Forum, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef __MACH_SCM_BOOT_H
+#define __MACH_SCM_BOOT_H
+
+#define SCM_BOOT_ADDR 0x1
+#define SCM_FLAG_COLDBOOT_CPU1 0x1
+#define SCM_FLAG_WARMBOOT_CPU1 0x2
+#define SCM_FLAG_WARMBOOT_CPU0 0x4
+
+int scm_set_boot_addr(phys_addr_t addr, int flags);
+
+#endif
diff --git a/arch/arm/mach-msm/scm.c b/arch/arm/mach-msm/scm.c
new file mode 100644
index 000000000000..f4b9bc90d6a7
--- /dev/null
+++ b/arch/arm/mach-msm/scm.c
@@ -0,0 +1,287 @@
+/* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+
+#include <asm/cacheflush.h>
+
+#include "scm.h"
+
+/* Cache line size for msm8x60 */
+#define CACHELINESIZE 32
+
+#define SCM_ENOMEM -5
+#define SCM_EOPNOTSUPP -4
+#define SCM_EINVAL_ADDR -3
+#define SCM_EINVAL_ARG -2
+#define SCM_ERROR -1
+#define SCM_INTERRUPTED 1
+
+static DEFINE_MUTEX(scm_lock);
+
+/**
+ * struct scm_command - one SCM command buffer
+ * @len: total available memory for command and response
+ * @buf_offset: start of command buffer
+ * @resp_hdr_offset: start of response buffer
+ * @id: command to be executed
+ * @buf: buffer returned from scm_get_command_buffer()
+ *
+ * An SCM command is layed out in memory as follows:
+ *
+ * ------------------- <--- struct scm_command
+ * | command header |
+ * ------------------- <--- scm_get_command_buffer()
+ * | command buffer |
+ * ------------------- <--- struct scm_response and
+ * | response header | scm_command_to_response()
+ * ------------------- <--- scm_get_response_buffer()
+ * | response buffer |
+ * -------------------
+ *
+ * There can be arbitrary padding between the headers and buffers so
+ * you should always use the appropriate scm_get_*_buffer() routines
+ * to access the buffers in a safe manner.
+ */
+struct scm_command {
+ u32 len;
+ u32 buf_offset;
+ u32 resp_hdr_offset;
+ u32 id;
+ u32 buf[0];
+};
+
+/**
+ * struct scm_response - one SCM response buffer
+ * @len: total available memory for response
+ * @buf_offset: start of response data relative to start of scm_response
+ * @is_complete: indicates if the command has finished processing
+ */
+struct scm_response {
+ u32 len;
+ u32 buf_offset;
+ u32 is_complete;
+};
+
+/**
+ * alloc_scm_command() - Allocate an SCM command
+ * @cmd_size: size of the command buffer
+ * @resp_size: size of the response buffer
+ *
+ * Allocate an SCM command, including enough room for the command
+ * and response headers as well as the command and response buffers.
+ *
+ * Returns a valid &scm_command on success or %NULL if the allocation fails.
+ */
+static struct scm_command *alloc_scm_command(size_t cmd_size, size_t resp_size)
+{
+ struct scm_command *cmd;
+ size_t len = sizeof(*cmd) + sizeof(struct scm_response) + cmd_size +
+ resp_size;
+
+ cmd = kzalloc(PAGE_ALIGN(len), GFP_KERNEL);
+ if (cmd) {
+ cmd->len = len;
+ cmd->buf_offset = offsetof(struct scm_command, buf);
+ cmd->resp_hdr_offset = cmd->buf_offset + cmd_size;
+ }
+ return cmd;
+}
+
+/**
+ * free_scm_command() - Free an SCM command
+ * @cmd: command to free
+ *
+ * Free an SCM command.
+ */
+static inline void free_scm_command(struct scm_command *cmd)
+{
+ kfree(cmd);
+}
+
+/**
+ * scm_command_to_response() - Get a pointer to a scm_response
+ * @cmd: command
+ *
+ * Returns a pointer to a response for a command.
+ */
+static inline struct scm_response *scm_command_to_response(
+ const struct scm_command *cmd)
+{
+ return (void *)cmd + cmd->resp_hdr_offset;
+}
+
+/**
+ * scm_get_command_buffer() - Get a pointer to a command buffer
+ * @cmd: command
+ *
+ * Returns a pointer to the command buffer of a command.
+ */
+static inline void *scm_get_command_buffer(const struct scm_command *cmd)
+{
+ return (void *)cmd->buf;
+}
+
+/**
+ * scm_get_response_buffer() - Get a pointer to a response buffer
+ * @rsp: response
+ *
+ * Returns a pointer to a response buffer of a response.
+ */
+static inline void *scm_get_response_buffer(const struct scm_response *rsp)
+{
+ return (void *)rsp + rsp->buf_offset;
+}
+
+static int scm_remap_error(int err)
+{
+ switch (err) {
+ case SCM_ERROR:
+ return -EIO;
+ case SCM_EINVAL_ADDR:
+ case SCM_EINVAL_ARG:
+ return -EINVAL;
+ case SCM_EOPNOTSUPP:
+ return -EOPNOTSUPP;
+ case SCM_ENOMEM:
+ return -ENOMEM;
+ }
+ return -EINVAL;
+}
+
+static u32 smc(u32 cmd_addr)
+{
+ int context_id;
+ register u32 r0 asm("r0") = 1;
+ register u32 r1 asm("r1") = (u32)&context_id;
+ register u32 r2 asm("r2") = cmd_addr;
+ asm(
+ __asmeq("%0", "r0")
+ __asmeq("%1", "r0")
+ __asmeq("%2", "r1")
+ __asmeq("%3", "r2")
+ "smc #0 @ switch to secure world\n"
+ : "=r" (r0)
+ : "r" (r0), "r" (r1), "r" (r2)
+ : "r3");
+ return r0;
+}
+
+static int __scm_call(const struct scm_command *cmd)
+{
+ int ret;
+ u32 cmd_addr = virt_to_phys(cmd);
+
+ /*
+ * Flush the entire cache here so callers don't have to remember
+ * to flush the cache when passing physical addresses to the secure
+ * side in the buffer.
+ */
+ flush_cache_all();
+ do {
+ ret = smc(cmd_addr);
+ if (ret < 0) {
+ ret = scm_remap_error(ret);
+ break;
+ }
+ } while (ret == SCM_INTERRUPTED);
+
+ return ret;
+}
+
+/**
+ * scm_call() - Send an SCM command
+ * @svc_id: service identifier
+ * @cmd_id: command identifier
+ * @cmd_buf: command buffer
+ * @cmd_len: length of the command buffer
+ * @resp_buf: response buffer
+ * @resp_len: length of the response buffer
+ *
+ * Sends a command to the SCM and waits for the command to finish processing.
+ */
+int scm_call(u32 svc_id, u32 cmd_id, const void *cmd_buf, size_t cmd_len,
+ void *resp_buf, size_t resp_len)
+{
+ int ret;
+ struct scm_command *cmd;
+ struct scm_response *rsp;
+
+ cmd = alloc_scm_command(cmd_len, resp_len);
+ if (!cmd)
+ return -ENOMEM;
+
+ cmd->id = (svc_id << 10) | cmd_id;
+ if (cmd_buf)
+ memcpy(scm_get_command_buffer(cmd), cmd_buf, cmd_len);
+
+ mutex_lock(&scm_lock);
+ ret = __scm_call(cmd);
+ mutex_unlock(&scm_lock);
+ if (ret)
+ goto out;
+
+ rsp = scm_command_to_response(cmd);
+ do {
+ u32 start = (u32)rsp;
+ u32 end = (u32)scm_get_response_buffer(rsp) + resp_len;
+ start &= ~(CACHELINESIZE - 1);
+ while (start < end) {
+ asm ("mcr p15, 0, %0, c7, c6, 1" : : "r" (start)
+ : "memory");
+ start += CACHELINESIZE;
+ }
+ } while (!rsp->is_complete);
+
+ if (resp_buf)
+ memcpy(resp_buf, scm_get_response_buffer(rsp), resp_len);
+out:
+ free_scm_command(cmd);
+ return ret;
+}
+EXPORT_SYMBOL(scm_call);
+
+u32 scm_get_version(void)
+{
+ int context_id;
+ static u32 version = -1;
+ register u32 r0 asm("r0") = 0x1 << 8;
+ register u32 r1 asm("r1") = (u32)&context_id;
+
+ if (version != -1)
+ return version;
+
+ mutex_lock(&scm_lock);
+ asm(
+ __asmeq("%0", "r1")
+ __asmeq("%1", "r0")
+ __asmeq("%2", "r1")
+ "smc #0 @ switch to secure world\n"
+ : "=r" (r1)
+ : "r" (r0), "r" (r1)
+ : "r2", "r3");
+ version = r1;
+ mutex_unlock(&scm_lock);
+
+ return version;
+}
+EXPORT_SYMBOL(scm_get_version);
diff --git a/arch/arm/mach-msm/scm.h b/arch/arm/mach-msm/scm.h
new file mode 100644
index 000000000000..261786be11c5
--- /dev/null
+++ b/arch/arm/mach-msm/scm.h
@@ -0,0 +1,41 @@
+/* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ * * Neither the name of Code Aurora Forum, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef __MACH_SCM_H
+#define __MACH_SCM_H
+
+#define SCM_SVC_BOOT 0x1
+#define SCM_SVC_PIL 0x2
+
+extern int scm_call(u32 svc_id, u32 cmd_id, const void *cmd_buf, size_t cmd_len,
+ void *resp_buf, size_t resp_len);
+
+#define SCM_VERSION(major, minor) (((major) << 16) | ((minor) & 0xFF))
+
+extern u32 scm_get_version(void);
+
+#endif
diff --git a/arch/arm/mach-msm/sirc.c b/arch/arm/mach-msm/sirc.c
index 152eefda3ce6..11b54c7aeb09 100644
--- a/arch/arm/mach-msm/sirc.c
+++ b/arch/arm/mach-msm/sirc.c
@@ -42,12 +42,11 @@ static struct sirc_cascade_regs sirc_reg_table[] = {
/* Mask off the given interrupt. Keep the int_enable mask in sync with
the enable reg, so it can be restored after power collapse. */
-static void sirc_irq_mask(unsigned int irq)
+static void sirc_irq_mask(struct irq_data *d)
{
unsigned int mask;
-
- mask = 1 << (irq - FIRST_SIRC_IRQ);
+ mask = 1 << (d->irq - FIRST_SIRC_IRQ);
writel(mask, sirc_regs.int_enable_clear);
int_enable &= ~mask;
return;
@@ -55,31 +54,31 @@ static void sirc_irq_mask(unsigned int irq)
/* Unmask the given interrupt. Keep the int_enable mask in sync with
the enable reg, so it can be restored after power collapse. */
-static void sirc_irq_unmask(unsigned int irq)
+static void sirc_irq_unmask(struct irq_data *d)
{
unsigned int mask;
- mask = 1 << (irq - FIRST_SIRC_IRQ);
+ mask = 1 << (d->irq - FIRST_SIRC_IRQ);
writel(mask, sirc_regs.int_enable_set);
int_enable |= mask;
return;
}
-static void sirc_irq_ack(unsigned int irq)
+static void sirc_irq_ack(struct irq_data *d)
{
unsigned int mask;
- mask = 1 << (irq - FIRST_SIRC_IRQ);
+ mask = 1 << (d->irq - FIRST_SIRC_IRQ);
writel(mask, sirc_regs.int_clear);
return;
}
-static int sirc_irq_set_wake(unsigned int irq, unsigned int on)
+static int sirc_irq_set_wake(struct irq_data *d, unsigned int on)
{
unsigned int mask;
/* Used to set the interrupt enable mask during power collapse. */
- mask = 1 << (irq - FIRST_SIRC_IRQ);
+ mask = 1 << (d->irq - FIRST_SIRC_IRQ);
if (on)
wake_enable |= mask;
else
@@ -88,12 +87,12 @@ static int sirc_irq_set_wake(unsigned int irq, unsigned int on)
return 0;
}
-static int sirc_irq_set_type(unsigned int irq, unsigned int flow_type)
+static int sirc_irq_set_type(struct irq_data *d, unsigned int flow_type)
{
unsigned int mask;
unsigned int val;
- mask = 1 << (irq - FIRST_SIRC_IRQ);
+ mask = 1 << (d->irq - FIRST_SIRC_IRQ);
val = readl(sirc_regs.int_polarity);
if (flow_type & (IRQF_TRIGGER_LOW | IRQF_TRIGGER_FALLING))
@@ -106,10 +105,10 @@ static int sirc_irq_set_type(unsigned int irq, unsigned int flow_type)
val = readl(sirc_regs.int_type);
if (flow_type & (IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING)) {
val |= mask;
- irq_desc[irq].handle_irq = handle_edge_irq;
+ irq_desc[d->irq].handle_irq = handle_edge_irq;
} else {
val &= ~mask;
- irq_desc[irq].handle_irq = handle_level_irq;
+ irq_desc[d->irq].handle_irq = handle_level_irq;
}
writel(val, sirc_regs.int_type);
@@ -139,16 +138,16 @@ static void sirc_irq_handler(unsigned int irq, struct irq_desc *desc)
;
generic_handle_irq(sirq+FIRST_SIRC_IRQ);
- desc->chip->ack(irq);
+ desc->irq_data.chip->irq_ack(&desc->irq_data);
}
static struct irq_chip sirc_irq_chip = {
- .name = "sirc",
- .ack = sirc_irq_ack,
- .mask = sirc_irq_mask,
- .unmask = sirc_irq_unmask,
- .set_wake = sirc_irq_set_wake,
- .set_type = sirc_irq_set_type,
+ .name = "sirc",
+ .irq_ack = sirc_irq_ack,
+ .irq_mask = sirc_irq_mask,
+ .irq_unmask = sirc_irq_unmask,
+ .irq_set_wake = sirc_irq_set_wake,
+ .irq_set_type = sirc_irq_set_type,
};
void __init msm_init_sirc(void)
diff --git a/arch/arm/mach-msm/timer.c b/arch/arm/mach-msm/timer.c
index 595be7fea31a..c105d28b53e3 100644
--- a/arch/arm/mach-msm/timer.c
+++ b/arch/arm/mach-msm/timer.c
@@ -47,6 +47,19 @@ enum {
#define GPT_HZ 32768
+enum timer_location {
+ LOCAL_TIMER = 0,
+ GLOBAL_TIMER = 1,
+};
+
+#ifdef MSM_TMR0_BASE
+#define MSM_TMR_GLOBAL (MSM_TMR0_BASE - MSM_TMR_BASE)
+#else
+#define MSM_TMR_GLOBAL 0
+#endif
+
+#define MSM_GLOBAL_TIMER MSM_CLOCK_DGT
+
#if defined(CONFIG_ARCH_QSD8X50)
#define DGT_HZ (19200000 / 4) /* 19.2 MHz / 4 by default */
#define MSM_DGT_SHIFT (0)
@@ -65,49 +78,67 @@ struct msm_clock {
void __iomem *regbase;
uint32_t freq;
uint32_t shift;
+ void __iomem *global_counter;
+ void __iomem *local_counter;
+};
+
+enum {
+ MSM_CLOCK_GPT,
+ MSM_CLOCK_DGT,
+ NR_TIMERS,
};
+
+static struct msm_clock msm_clocks[];
+static struct clock_event_device *local_clock_event;
+
static irqreturn_t msm_timer_interrupt(int irq, void *dev_id)
{
struct clock_event_device *evt = dev_id;
+ if (smp_processor_id() != 0)
+ evt = local_clock_event;
+ if (evt->event_handler == NULL)
+ return IRQ_HANDLED;
evt->event_handler(evt);
return IRQ_HANDLED;
}
-static cycle_t msm_gpt_read(struct clocksource *cs)
+static cycle_t msm_read_timer_count(struct clocksource *cs)
{
- return readl(MSM_GPT_BASE + TIMER_COUNT_VAL);
+ struct msm_clock *clk = container_of(cs, struct msm_clock, clocksource);
+
+ return readl(clk->global_counter);
}
-static cycle_t msm_dgt_read(struct clocksource *cs)
+static struct msm_clock *clockevent_to_clock(struct clock_event_device *evt)
{
- return readl(MSM_DGT_BASE + TIMER_COUNT_VAL) >> MSM_DGT_SHIFT;
+#ifdef CONFIG_SMP
+ int i;
+ for (i = 0; i < NR_TIMERS; i++)
+ if (evt == &(msm_clocks[i].clockevent))
+ return &msm_clocks[i];
+ return &msm_clocks[MSM_GLOBAL_TIMER];
+#else
+ return container_of(evt, struct msm_clock, clockevent);
+#endif
}
static int msm_timer_set_next_event(unsigned long cycles,
struct clock_event_device *evt)
{
- struct msm_clock *clock = container_of(evt, struct msm_clock, clockevent);
- uint32_t now = readl(clock->regbase + TIMER_COUNT_VAL);
+ struct msm_clock *clock = clockevent_to_clock(evt);
+ uint32_t now = readl(clock->local_counter);
uint32_t alarm = now + (cycles << clock->shift);
- int late;
writel(alarm, clock->regbase + TIMER_MATCH_VAL);
- now = readl(clock->regbase + TIMER_COUNT_VAL);
- late = now - alarm;
- if (late >= (-2 << clock->shift) && late < DGT_HZ*5) {
- printk(KERN_NOTICE "msm_timer_set_next_event(%lu) clock %s, "
- "alarm already expired, now %x, alarm %x, late %d\n",
- cycles, clock->clockevent.name, now, alarm, late);
- return -ETIME;
- }
return 0;
}
static void msm_timer_set_mode(enum clock_event_mode mode,
struct clock_event_device *evt)
{
- struct msm_clock *clock = container_of(evt, struct msm_clock, clockevent);
+ struct msm_clock *clock = clockevent_to_clock(evt);
+
switch (mode) {
case CLOCK_EVT_MODE_RESUME:
case CLOCK_EVT_MODE_PERIODIC:
@@ -123,7 +154,7 @@ static void msm_timer_set_mode(enum clock_event_mode mode,
}
static struct msm_clock msm_clocks[] = {
- {
+ [MSM_CLOCK_GPT] = {
.clockevent = {
.name = "gp_timer",
.features = CLOCK_EVT_FEAT_ONESHOT,
@@ -135,7 +166,7 @@ static struct msm_clock msm_clocks[] = {
.clocksource = {
.name = "gp_timer",
.rating = 200,
- .read = msm_gpt_read,
+ .read = msm_read_timer_count,
.mask = CLOCKSOURCE_MASK(32),
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
},
@@ -147,9 +178,12 @@ static struct msm_clock msm_clocks[] = {
.irq = INT_GP_TIMER_EXP
},
.regbase = MSM_GPT_BASE,
- .freq = GPT_HZ
+ .freq = GPT_HZ,
+ .local_counter = MSM_GPT_BASE + TIMER_COUNT_VAL,
+ .global_counter = MSM_GPT_BASE + TIMER_COUNT_VAL +
+ MSM_TMR_GLOBAL,
},
- {
+ [MSM_CLOCK_DGT] = {
.clockevent = {
.name = "dg_timer",
.features = CLOCK_EVT_FEAT_ONESHOT,
@@ -161,7 +195,7 @@ static struct msm_clock msm_clocks[] = {
.clocksource = {
.name = "dg_timer",
.rating = 300,
- .read = msm_dgt_read,
+ .read = msm_read_timer_count,
.mask = CLOCKSOURCE_MASK((32 - MSM_DGT_SHIFT)),
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
},
@@ -174,7 +208,10 @@ static struct msm_clock msm_clocks[] = {
},
.regbase = MSM_DGT_BASE,
.freq = DGT_HZ >> MSM_DGT_SHIFT,
- .shift = MSM_DGT_SHIFT
+ .shift = MSM_DGT_SHIFT,
+ .local_counter = MSM_DGT_BASE + TIMER_COUNT_VAL,
+ .global_counter = MSM_DGT_BASE + TIMER_COUNT_VAL +
+ MSM_TMR_GLOBAL,
}
};
@@ -183,7 +220,7 @@ static void __init msm_timer_init(void)
int i;
int res;
-#ifdef CONFIG_ARCH_MSM8X60
+#ifdef CONFIG_ARCH_MSM_SCORPIONMP
writel(DGT_CLK_CTL_DIV_4, MSM_TMR_BASE + DGT_CLK_CTL);
#endif
@@ -217,6 +254,48 @@ static void __init msm_timer_init(void)
}
}
+#ifdef CONFIG_SMP
+void __cpuinit local_timer_setup(struct clock_event_device *evt)
+{
+ struct msm_clock *clock = &msm_clocks[MSM_GLOBAL_TIMER];
+
+ /* Use existing clock_event for cpu 0 */
+ if (!smp_processor_id())
+ return;
+
+ writel(DGT_CLK_CTL_DIV_4, MSM_TMR_BASE + DGT_CLK_CTL);
+
+ if (!local_clock_event) {
+ writel(0, clock->regbase + TIMER_ENABLE);
+ writel(0, clock->regbase + TIMER_CLEAR);
+ writel(~0, clock->regbase + TIMER_MATCH_VAL);
+ }
+ evt->irq = clock->irq.irq;
+ evt->name = "local_timer";
+ evt->features = CLOCK_EVT_FEAT_ONESHOT;
+ evt->rating = clock->clockevent.rating;
+ evt->set_mode = msm_timer_set_mode;
+ evt->set_next_event = msm_timer_set_next_event;
+ evt->shift = clock->clockevent.shift;
+ evt->mult = div_sc(clock->freq, NSEC_PER_SEC, evt->shift);
+ evt->max_delta_ns =
+ clockevent_delta2ns(0xf0000000 >> clock->shift, evt);
+ evt->min_delta_ns = clockevent_delta2ns(4, evt);
+
+ local_clock_event = evt;
+
+ gic_enable_ppi(clock->irq.irq);
+
+ clockevents_register_device(evt);
+}
+
+inline int local_timer_ack(void)
+{
+ return 1;
+}
+
+#endif
+
struct sys_timer msm_timer = {
.init = msm_timer_init
};
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-27 14:11:29 +0300