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Commit b35b55e7 authored by Bartosz Golaszewski's avatar Bartosz Golaszewski Committed by Sekhar Nori
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ARM: davinci: cp-intc: use a common prefix for all symbols 

In preparation for moving the driver to drivers/irqchip do some
cleanup: use a common prefix for all symbols.
Signed-off-by: default avatarBartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: default avatarDavid Lechner <david@lechnology.com>
Signed-off-by: default avatarSekhar Nori <nsekhar@ti.com>
parent 47b7c619
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Showing with 77 additions and 73 deletions
arch/arm/mach-davinci/cp_intc.c
View file @ b35b55e7
......@@ -22,63 +22,67 @@
#include <asm/exception.h>
#include <mach/common.h>
#define CP_INTC_CTRL 0x04
#define CP_INTC_HOST_CTRL 0x0C
#define CP_INTC_GLOBAL_ENABLE 0x10
#define CP_INTC_SYS_STAT_IDX_CLR 0x24
#define CP_INTC_SYS_ENABLE_IDX_SET 0x28
#define CP_INTC_SYS_ENABLE_IDX_CLR 0x2C
#define CP_INTC_HOST_ENABLE_IDX_SET 0x34
#define CP_INTC_HOST_ENABLE_IDX_CLR 0x38
#define CP_INTC_PRIO_IDX 0x80
#define CP_INTC_SYS_STAT_CLR(n) (0x0280 + (n << 2))
#define CP_INTC_SYS_ENABLE_CLR(n) (0x0380 + (n << 2))
#define CP_INTC_CHAN_MAP(n) (0x0400 + (n << 2))
#define CP_INTC_SYS_POLARITY(n) (0x0D00 + (n << 2))
#define CP_INTC_SYS_TYPE(n) (0x0D80 + (n << 2))
#define CP_INTC_HOST_ENABLE(n) (0x1500 + (n << 2))
#define DAVINCI_CP_INTC_CTRL 0x04
#define DAVINCI_CP_INTC_HOST_CTRL 0x0C
#define DAVINCI_CP_INTC_GLOBAL_ENABLE 0x10
#define DAVINCI_CP_INTC_SYS_STAT_IDX_CLR 0x24
#define DAVINCI_CP_INTC_SYS_ENABLE_IDX_SET 0x28
#define DAVINCI_CP_INTC_SYS_ENABLE_IDX_CLR 0x2C
#define DAVINCI_CP_INTC_HOST_ENABLE_IDX_SET 0x34
#define DAVINCI_CP_INTC_HOST_ENABLE_IDX_CLR 0x38
#define DAVINCI_CP_INTC_PRIO_IDX 0x80
#define DAVINCI_CP_INTC_SYS_STAT_CLR(n) (0x0280 + (n << 2))
#define DAVINCI_CP_INTC_SYS_ENABLE_CLR(n) (0x0380 + (n << 2))
#define DAVINCI_CP_INTC_CHAN_MAP(n) (0x0400 + (n << 2))
#define DAVINCI_CP_INTC_SYS_POLARITY(n) (0x0D00 + (n << 2))
#define DAVINCI_CP_INTC_SYS_TYPE(n) (0x0D80 + (n << 2))
#define DAVINCI_CP_INTC_HOST_ENABLE(n) (0x1500 + (n << 2))
#define DAVINCI_CP_INTC_PRI_INDX_MASK GENMASK(9, 0)
#define DAVINCI_CP_INTC_GPIR_NONE BIT(31)
static void __iomem *davinci_intc_base;
static void __iomem *davinci_cp_intc_base;
static struct irq_domain *davinci_cp_intc_irq_domain;
static inline unsigned int cp_intc_read(unsigned offset)
static inline unsigned int davinci_cp_intc_read(unsigned int offset)
{
return __raw_readl(davinci_intc_base + offset);
return __raw_readl(davinci_cp_intc_base + offset);
}
static inline void cp_intc_write(unsigned long value, unsigned offset)
static inline void davinci_cp_intc_write(unsigned long value,
unsigned int offset)
{
__raw_writel(value, davinci_intc_base + offset);
__raw_writel(value, davinci_cp_intc_base + offset);
}
static void cp_intc_ack_irq(struct irq_data *d)
static void davinci_cp_intc_ack_irq(struct irq_data *d)
{
cp_intc_write(d->hwirq, CP_INTC_SYS_STAT_IDX_CLR);
davinci_cp_intc_write(d->hwirq, DAVINCI_CP_INTC_SYS_STAT_IDX_CLR);
}
/* Disable interrupt */
static void cp_intc_mask_irq(struct irq_data *d)
static void davinci_cp_intc_mask_irq(struct irq_data *d)
{
/* XXX don't know why we need to disable nIRQ here... */
cp_intc_write(1, CP_INTC_HOST_ENABLE_IDX_CLR);
cp_intc_write(d->hwirq, CP_INTC_SYS_ENABLE_IDX_CLR);
cp_intc_write(1, CP_INTC_HOST_ENABLE_IDX_SET);
davinci_cp_intc_write(1, DAVINCI_CP_INTC_HOST_ENABLE_IDX_CLR);
davinci_cp_intc_write(d->hwirq, DAVINCI_CP_INTC_SYS_ENABLE_IDX_CLR);
davinci_cp_intc_write(1, DAVINCI_CP_INTC_HOST_ENABLE_IDX_SET);
}
/* Enable interrupt */
static void cp_intc_unmask_irq(struct irq_data *d)
static void davinci_cp_intc_unmask_irq(struct irq_data *d)
{
cp_intc_write(d->hwirq, CP_INTC_SYS_ENABLE_IDX_SET);
davinci_cp_intc_write(d->hwirq, DAVINCI_CP_INTC_SYS_ENABLE_IDX_SET);
}
static int cp_intc_set_irq_type(struct irq_data *d, unsigned int flow_type)
static int davinci_cp_intc_set_irq_type(struct irq_data *d,
unsigned int flow_type)
{
unsigned reg = BIT_WORD(d->hwirq);
unsigned mask = BIT_MASK(d->hwirq);
unsigned polarity = cp_intc_read(CP_INTC_SYS_POLARITY(reg));
unsigned type = cp_intc_read(CP_INTC_SYS_TYPE(reg));
unsigned polarity = davinci_cp_intc_read(
DAVINCI_CP_INTC_SYS_POLARITY(reg));
unsigned type = davinci_cp_intc_read(
DAVINCI_CP_INTC_SYS_TYPE(reg));
switch (flow_type) {
case IRQ_TYPE_EDGE_RISING:
......@@ -101,25 +105,23 @@ static int cp_intc_set_irq_type(struct irq_data *d, unsigned int flow_type)
return -EINVAL;
}
cp_intc_write(polarity, CP_INTC_SYS_POLARITY(reg));
cp_intc_write(type, CP_INTC_SYS_TYPE(reg));
davinci_cp_intc_write(polarity, DAVINCI_CP_INTC_SYS_POLARITY(reg));
davinci_cp_intc_write(type, DAVINCI_CP_INTC_SYS_TYPE(reg));
return 0;
}
static struct irq_chip cp_intc_irq_chip = {
static struct irq_chip davinci_cp_intc_irq_chip = {
.name = "cp_intc",
.irq_ack = cp_intc_ack_irq,
.irq_mask = cp_intc_mask_irq,
.irq_unmask = cp_intc_unmask_irq,
.irq_set_type = cp_intc_set_irq_type,
.irq_ack = davinci_cp_intc_ack_irq,
.irq_mask = davinci_cp_intc_mask_irq,
.irq_unmask = davinci_cp_intc_unmask_irq,
.irq_set_type = davinci_cp_intc_set_irq_type,
.flags = IRQCHIP_SKIP_SET_WAKE,
};
static struct irq_domain *cp_intc_domain;
static asmlinkage void __exception_irq_entry
cp_intc_handle_irq(struct pt_regs *regs)
davinci_cp_intc_handle_irq(struct pt_regs *regs)
{
int gpir, irqnr, none;
......@@ -128,7 +130,7 @@ cp_intc_handle_irq(struct pt_regs *regs)
* indicates a spurious irq.
*/
gpir = cp_intc_read(CP_INTC_PRIO_IDX);
gpir = davinci_cp_intc_read(DAVINCI_CP_INTC_PRIO_IDX);
irqnr = gpir & DAVINCI_CP_INTC_PRI_INDX_MASK;
none = gpir & DAVINCI_CP_INTC_GPIR_NONE;
......@@ -137,27 +139,27 @@ cp_intc_handle_irq(struct pt_regs *regs)
return;
}
handle_domain_irq(cp_intc_domain, irqnr, regs);
handle_domain_irq(davinci_cp_intc_irq_domain, irqnr, regs);
}
static int cp_intc_host_map(struct irq_domain *h, unsigned int virq,
static int davinci_cp_intc_host_map(struct irq_domain *h, unsigned int virq,
irq_hw_number_t hw)
{
pr_debug("cp_intc_host_map(%d, 0x%lx)\n", virq, hw);
irq_set_chip(virq, &cp_intc_irq_chip);
irq_set_chip(virq, &davinci_cp_intc_irq_chip);
irq_set_probe(virq);
irq_set_handler(virq, handle_edge_irq);
return 0;
}
static const struct irq_domain_ops cp_intc_host_ops = {
.map = cp_intc_host_map,
static const struct irq_domain_ops davinci_cp_intc_irq_domain_ops = {
.map = davinci_cp_intc_host_map,
.xlate = irq_domain_xlate_onetwocell,
};
static int __init cp_intc_of_init(struct device_node *node,
struct device_node *parent)
static int __init davinci_cp_intc_of_init(struct device_node *node,
struct device_node *parent)
{
u32 num_irq = davinci_soc_info.intc_irq_num;
u8 *irq_prio = davinci_soc_info.intc_irq_prios;
......@@ -165,35 +167,35 @@ static int __init cp_intc_of_init(struct device_node *node,
int i, irq_base;
if (node) {
davinci_intc_base = of_iomap(node, 0);
davinci_cp_intc_base = of_iomap(node, 0);
if (of_property_read_u32(node, "ti,intc-size", &num_irq))
pr_warn("unable to get intc-size, default to %d\n",
num_irq);
} else {
davinci_intc_base = ioremap(davinci_soc_info.intc_base, SZ_8K);
davinci_cp_intc_base = ioremap(davinci_soc_info.intc_base, SZ_8K);
}
if (WARN_ON(!davinci_intc_base))
if (WARN_ON(!davinci_cp_intc_base))
return -EINVAL;
cp_intc_write(0, CP_INTC_GLOBAL_ENABLE);
davinci_cp_intc_write(0, DAVINCI_CP_INTC_GLOBAL_ENABLE);
/* Disable all host interrupts */
cp_intc_write(0, CP_INTC_HOST_ENABLE(0));
davinci_cp_intc_write(0, DAVINCI_CP_INTC_HOST_ENABLE(0));
/* Disable system interrupts */
for (i = 0; i < num_reg; i++)
cp_intc_write(~0, CP_INTC_SYS_ENABLE_CLR(i));
davinci_cp_intc_write(~0, DAVINCI_CP_INTC_SYS_ENABLE_CLR(i));
/* Set to normal mode, no nesting, no priority hold */
cp_intc_write(0, CP_INTC_CTRL);
cp_intc_write(0, CP_INTC_HOST_CTRL);
davinci_cp_intc_write(0, DAVINCI_CP_INTC_CTRL);
davinci_cp_intc_write(0, DAVINCI_CP_INTC_HOST_CTRL);
/* Clear system interrupt status */
for (i = 0; i < num_reg; i++)
cp_intc_write(~0, CP_INTC_SYS_STAT_CLR(i));
davinci_cp_intc_write(~0, DAVINCI_CP_INTC_SYS_STAT_CLR(i));
/* Enable nIRQ (what about nFIQ?) */
cp_intc_write(1, CP_INTC_HOST_ENABLE_IDX_SET);
davinci_cp_intc_write(1, DAVINCI_CP_INTC_HOST_ENABLE_IDX_SET);
/*
* Priority is determined by host channel: lower channel number has
......@@ -212,7 +214,7 @@ static int __init cp_intc_of_init(struct device_node *node,
val |= irq_prio[k] << 24;
}
cp_intc_write(val, CP_INTC_CHAN_MAP(i));
davinci_cp_intc_write(val, DAVINCI_CP_INTC_CHAN_MAP(i));
}
} else {
/*
......@@ -221,7 +223,8 @@ static int __init cp_intc_of_init(struct device_node *node,
* are mapped to nIRQ.
*/
for (i = 0; i < num_reg; i++)
cp_intc_write(0x0f0f0f0f, CP_INTC_CHAN_MAP(i));
davinci_cp_intc_write(0x0f0f0f0f,
DAVINCI_CP_INTC_CHAN_MAP(i));
}
irq_base = irq_alloc_descs(-1, 0, num_irq, 0);
......@@ -231,25 +234,26 @@ static int __init cp_intc_of_init(struct device_node *node,
}
/* create a legacy host */
cp_intc_domain = irq_domain_add_legacy(node, num_irq,
irq_base, 0, &cp_intc_host_ops, NULL);
davinci_cp_intc_irq_domain = irq_domain_add_legacy(
node, num_irq, irq_base, 0,
&davinci_cp_intc_irq_domain_ops, NULL);
if (!cp_intc_domain) {
if (!davinci_cp_intc_irq_domain) {
pr_err("cp_intc: failed to allocate irq host!\n");
return -EINVAL;
}
set_handle_irq(cp_intc_handle_irq);
set_handle_irq(davinci_cp_intc_handle_irq);
/* Enable global interrupt */
cp_intc_write(1, CP_INTC_GLOBAL_ENABLE);
davinci_cp_intc_write(1, DAVINCI_CP_INTC_GLOBAL_ENABLE);
return 0;
}
void __init cp_intc_init(void)
void __init davinci_cp_intc_init(void)
{
cp_intc_of_init(NULL, NULL);
davinci_cp_intc_of_init(NULL, NULL);
}
IRQCHIP_DECLARE(cp_intc, "ti,cp-intc", cp_intc_of_init);
IRQCHIP_DECLARE(cp_intc, "ti,cp-intc", davinci_cp_intc_of_init);
arch/arm/mach-davinci/da830.c
View file @ b35b55e7
......@@ -833,7 +833,7 @@ static const struct davinci_cp_intc_config da830_cp_intc_config = {
void __init da830_init_irq(void)
{
cp_intc_init();
davinci_cp_intc_init();
}
void __init da830_init_time(void)
......
arch/arm/mach-davinci/da850.c
View file @ b35b55e7
......@@ -771,7 +771,7 @@ static const struct davinci_cp_intc_config da850_cp_intc_config = {
void __init da850_init_irq(void)
{
cp_intc_init();
davinci_cp_intc_init();
}
void __init da850_init_time(void)
......
arch/arm/mach-davinci/include/mach/common.h
View file @ b35b55e7
......@@ -22,7 +22,7 @@
#define DAVINCI_INTC_START NR_IRQS
#define DAVINCI_INTC_IRQ(_irqnum) (DAVINCI_INTC_START + (_irqnum))
void cp_intc_init(void);
void davinci_cp_intc_init(void);
void davinci_timer_init(struct clk *clk);
struct davinci_timer_instance {
......
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