Release 4.17 arch/arm/mach-mv78xx0/irq.c
/*
* arch/arm/mach-mv78xx0/irq.c
*
* MV78xx0 IRQ handling.
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/irq.h>
#include <linux/io.h>
#include <asm/exception.h>
#include <plat/orion-gpio.h>
#include <plat/irq.h>
#include "bridge-regs.h"
#include "common.h"
static int __initdata gpio0_irqs[4] = {
IRQ_MV78XX0_GPIO_0_7,
IRQ_MV78XX0_GPIO_8_15,
IRQ_MV78XX0_GPIO_16_23,
IRQ_MV78XX0_GPIO_24_31,
};
static void __iomem *mv78xx0_irq_base = IRQ_VIRT_BASE;
static asmlinkage void
__exception_irq_entry mv78xx0_legacy_handle_irq(struct pt_regs *regs)
{
u32 stat;
stat = readl_relaxed(mv78xx0_irq_base + IRQ_CAUSE_LOW_OFF);
stat &= readl_relaxed(mv78xx0_irq_base + IRQ_MASK_LOW_OFF);
if (stat) {
unsigned int hwirq = __fls(stat);
handle_IRQ(hwirq, regs);
return;
}
stat = readl_relaxed(mv78xx0_irq_base + IRQ_CAUSE_HIGH_OFF);
stat &= readl_relaxed(mv78xx0_irq_base + IRQ_MASK_HIGH_OFF);
if (stat) {
unsigned int hwirq = 32 + __fls(stat);
handle_IRQ(hwirq, regs);
return;
}
stat = readl_relaxed(mv78xx0_irq_base + IRQ_CAUSE_ERR_OFF);
stat &= readl_relaxed(mv78xx0_irq_base + IRQ_MASK_ERR_OFF);
if (stat) {
unsigned int hwirq = 64 + __fls(stat);
handle_IRQ(hwirq, regs);
return;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Arnd Bergmann | 143 | 100.00% | 1 | 100.00% |
| Total | 143 | 100.00% | 1 | 100.00% |
void __init mv78xx0_init_irq(void)
{
orion_irq_init(0, IRQ_VIRT_BASE + IRQ_MASK_LOW_OFF);
orion_irq_init(32, IRQ_VIRT_BASE + IRQ_MASK_HIGH_OFF);
orion_irq_init(64, IRQ_VIRT_BASE + IRQ_MASK_ERR_OFF);
set_handle_irq(mv78xx0_legacy_handle_irq);
/*
* Initialize gpiolib for GPIOs 0-31. (The GPIO interrupt mask
* registers for core #1 are at an offset of 0x18 from those of
* core #0.)
*/
orion_gpio_init(NULL, 0, 32, GPIO_VIRT_BASE,
mv78xx0_core_index() ? 0x18 : 0,
IRQ_MV78XX0_GPIO_START, gpio0_irqs);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Lennert Buytenhek | 29 | 46.03% | 3 | 50.00% |
| Stanislav Samsonov | 26 | 41.27% | 1 | 16.67% |
| Arnd Bergmann | 5 | 7.94% | 1 | 16.67% |
| Andrew Lunn | 3 | 4.76% | 1 | 16.67% |
| Total | 63 | 100.00% | 6 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Arnd Bergmann | 162 | 62.31% | 2 | 20.00% |
| Stanislav Samsonov | 38 | 14.62% | 1 | 10.00% |
| Lennert Buytenhek | 36 | 13.85% | 3 | 30.00% |
| Andrew Lunn | 16 | 6.15% | 1 | 10.00% |
| Russell King | 3 | 1.15% | 1 | 10.00% |
| Thomas Petazzoni | 3 | 1.15% | 1 | 10.00% |
| Rob Herring | 2 | 0.77% | 1 | 10.00% |
| Total | 260 | 100.00% | 10 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.