diff options
Diffstat (limited to 'arch/arm/plat-s3c64xx/irq-pm.c')
| -rw-r--r-- | arch/arm/plat-s3c64xx/irq-pm.c | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/arch/arm/plat-s3c64xx/irq-pm.c b/arch/arm/plat-s3c64xx/irq-pm.c deleted file mode 100644 index ca523b5d4c17..000000000000 --- a/arch/arm/plat-s3c64xx/irq-pm.c +++ /dev/null @@ -1,111 +0,0 @@ -/* arch/arm/plat-s3c64xx/irq-pm.c - * - * Copyright 2008 Openmoko, Inc. - * Copyright 2008 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * http://armlinux.simtec.co.uk/ - * - * S3C64XX - Interrupt handling Power Management - * - * 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/sysdev.h> -#include <linux/interrupt.h> -#include <linux/serial_core.h> -#include <linux/irq.h> -#include <linux/io.h> - -#include <mach/map.h> - -#include <plat/regs-serial.h> -#include <plat/regs-timer.h> -#include <plat/regs-gpio.h> -#include <plat/cpu.h> -#include <plat/pm.h> - -/* We handled all the IRQ types in this code, to save having to make several - * small files to handle each different type separately. Having the EINT_GRP - * code here shouldn't be as much bloat as the IRQ table space needed when - * they are enabled. The added benefit is we ensure that these registers are - * in the same state as we suspended. - */ - -static struct sleep_save irq_save[] = { - SAVE_ITEM(S3C64XX_PRIORITY), - SAVE_ITEM(S3C64XX_EINT0CON0), - SAVE_ITEM(S3C64XX_EINT0CON1), - SAVE_ITEM(S3C64XX_EINT0FLTCON0), - SAVE_ITEM(S3C64XX_EINT0FLTCON1), - SAVE_ITEM(S3C64XX_EINT0FLTCON2), - SAVE_ITEM(S3C64XX_EINT0FLTCON3), - SAVE_ITEM(S3C64XX_EINT0MASK), - SAVE_ITEM(S3C64XX_TINT_CSTAT), -}; - -static struct irq_grp_save { - u32 fltcon; - u32 con; - u32 mask; -} eint_grp_save[5]; - -static u32 irq_uart_mask[CONFIG_SERIAL_SAMSUNG_UARTS]; - -static int s3c64xx_irq_pm_suspend(struct sys_device *dev, pm_message_t state) -{ - struct irq_grp_save *grp = eint_grp_save; - int i; - - S3C_PMDBG("%s: suspending IRQs\n", __func__); - - s3c_pm_do_save(irq_save, ARRAY_SIZE(irq_save)); - - for (i = 0; i < CONFIG_SERIAL_SAMSUNG_UARTS; i++) - irq_uart_mask[i] = __raw_readl(S3C_VA_UARTx(i) + S3C64XX_UINTM); - - for (i = 0; i < ARRAY_SIZE(eint_grp_save); i++, grp++) { - grp->con = __raw_readl(S3C64XX_EINT12CON + (i * 4)); - grp->mask = __raw_readl(S3C64XX_EINT12MASK + (i * 4)); - grp->fltcon = __raw_readl(S3C64XX_EINT12FLTCON + (i * 4)); - } - - return 0; -} - -static int s3c64xx_irq_pm_resume(struct sys_device *dev) -{ - struct irq_grp_save *grp = eint_grp_save; - int i; - - S3C_PMDBG("%s: resuming IRQs\n", __func__); - - s3c_pm_do_restore(irq_save, ARRAY_SIZE(irq_save)); - - for (i = 0; i < CONFIG_SERIAL_SAMSUNG_UARTS; i++) - __raw_writel(irq_uart_mask[i], S3C_VA_UARTx(i) + S3C64XX_UINTM); - - for (i = 0; i < ARRAY_SIZE(eint_grp_save); i++, grp++) { - __raw_writel(grp->con, S3C64XX_EINT12CON + (i * 4)); - __raw_writel(grp->mask, S3C64XX_EINT12MASK + (i * 4)); - __raw_writel(grp->fltcon, S3C64XX_EINT12FLTCON + (i * 4)); - } - - S3C_PMDBG("%s: IRQ configuration restored\n", __func__); - return 0; -} - -static struct sysdev_driver s3c64xx_irq_driver = { - .suspend = s3c64xx_irq_pm_suspend, - .resume = s3c64xx_irq_pm_resume, -}; - -static int __init s3c64xx_irq_pm_init(void) -{ - return sysdev_driver_register(&s3c64xx_sysclass, &s3c64xx_irq_driver); -} - -arch_initcall(s3c64xx_irq_pm_init); - |