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authorBen Dooks <ben-linux@fluff.org>2010-01-26 11:07:23 +0900
committerBen Dooks <ben-linux@fluff.org>2010-02-20 22:32:00 +0000
commited618aff8a952f712caf1d475e0947a32a8b6606 (patch)
treed106f5b5c24e42c6498c3a8a7340ba74ba62a4a3 /arch/arm/plat-s3c64xx/irq-pm.c
parent3501c9ae9fc5414d09c9a8d3a5452d2b167db916 (diff)
downloadop-kernel-dev-ed618aff8a952f712caf1d475e0947a32a8b6606.zip
op-kernel-dev-ed618aff8a952f712caf1d475e0947a32a8b6606.tar.gz
ARM: S3C64XX: Move IRQ support into mach-s3c64xx
Move IRQ support to mach-s3c64xx as it is unlikely to be re-used outside this machine. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/plat-s3c64xx/irq-pm.c')
-rw-r--r--arch/arm/plat-s3c64xx/irq-pm.c111
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 da1bec6..0000000
--- 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 <mach/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);
-
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