hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

sh: mach-systemh: irq_data conversion. 

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2010-10-27 15:09:31 +09:00
parent 949bf16648
commit 5f01038473
1 changed files with 27 additions and 42 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

69
arch/sh/boards/mach-systemh/irq.c
View File

@ -23,54 +23,39 @@
static unsigned long *systemh_irq_mask_register = (unsigned long *)0xB3F10004;
static unsigned long *systemh_irq_request_register = (unsigned long *)0xB3F10000;
/* forward declaration */
static void enable_systemh_irq(unsigned int irq);
static void disable_systemh_irq(unsigned int irq);
static void mask_and_ack_systemh(unsigned int);
static void disable_systemh_irq(struct irq_data *data)
{
unsigned long val, mask = 0x01 << 1;
/* Clear the "irq"th bit in the mask and set it in the request */
val = __raw_readl((unsigned long)systemh_irq_mask_register);
val &= ~mask;
__raw_writel(val, (unsigned long)systemh_irq_mask_register);
val = __raw_readl((unsigned long)systemh_irq_request_register);
val |= mask;
__raw_writel(val, (unsigned long)systemh_irq_request_register);
}
static void enable_systemh_irq(struct irq_data *data)
{
unsigned long val, mask = 0x01 << 1;
/* Set "irq"th bit in the mask register */
val = __raw_readl((unsigned long)systemh_irq_mask_register);
val |= mask;
__raw_writel(val, (unsigned long)systemh_irq_mask_register);
}
static struct irq_chip systemh_irq_type = {
.name = " SystemH Register",
.unmask = enable_systemh_irq,
.mask = disable_systemh_irq,
.ack = mask_and_ack_systemh,
.name = "SystemH Register",
.irq_unmask = enable_systemh_irq,
.irq_mask = disable_systemh_irq,
};
static void disable_systemh_irq(unsigned int irq)
{
if (systemh_irq_mask_register) {
unsigned long val, mask = 0x01 << 1;
/* Clear the "irq"th bit in the mask and set it in the request */
val = __raw_readl((unsigned long)systemh_irq_mask_register);
val &= ~mask;
__raw_writel(val, (unsigned long)systemh_irq_mask_register);
val = __raw_readl((unsigned long)systemh_irq_request_register);
val |= mask;
__raw_writel(val, (unsigned long)systemh_irq_request_register);
}
}
static void enable_systemh_irq(unsigned int irq)
{
if (systemh_irq_mask_register) {
unsigned long val, mask = 0x01 << 1;
/* Set "irq"th bit in the mask register */
val = __raw_readl((unsigned long)systemh_irq_mask_register);
val |= mask;
__raw_writel(val, (unsigned long)systemh_irq_mask_register);
}
}
static void mask_and_ack_systemh(unsigned int irq)
{
disable_systemh_irq(irq);
}
void make_systemh_irq(unsigned int irq)
{
disable_irq_nosync(irq);
set_irq_chip_and_handler(irq, &systemh_irq_type, handle_level_irq);
disable_systemh_irq(irq);
disable_systemh_irq(irq_get_irq_data(irq));
}