[ARM] 3559/1: S3C2442: core and serial port

Patch from Ben Dooks

Core support for the Samsung S3C2442, and the
serial port driver update to allow the serial
port blocks to be used.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 2 insertions, 75 deletions

diff --git a/arch/arm/mach-s3c2410/s3c2440-irq.c b/arch/arm/mach-s3c2410/s3c2440-irq.c
index 278d0044c85d..acfe3870727b 100644
--- a/arch/arm/mach-s3c2410/s3c2440-irq.c
+++ b/arch/arm/mach-s3c2410/s3c2440-irq.c
@@ -100,73 +100,12 @@ static struct irqchip s3c_irq_wdtac97 = {
         .ack        = s3c_irq_wdtac97_ack,
 };
 
-/* camera irq */
-
-static void s3c_irq_demux_cam(unsigned int irq,
-                              struct irqdesc *desc,
-                              struct pt_regs *regs)
-{
-        unsigned int subsrc, submsk;
-        struct irqdesc *mydesc;
-
-        /* read the current pending interrupts, and the mask
-         * for what it is available */
-
-        subsrc = __raw_readl(S3C2410_SUBSRCPND);
-        submsk = __raw_readl(S3C2410_INTSUBMSK);
-
-        subsrc &= ~submsk;
-        subsrc >>= 11;
-        subsrc &= 3;
-
-        if (subsrc != 0) {
-                if (subsrc & 1) {
-                        mydesc = irq_desc + IRQ_S3C2440_CAM_C;
-                        desc_handle_irq(IRQ_S3C2440_CAM_C, mydesc, regs);
-                }
-                if (subsrc & 2) {
-                        mydesc = irq_desc + IRQ_S3C2440_CAM_P;
-                        desc_handle_irq(IRQ_S3C2440_CAM_P, mydesc, regs);
-                }
-        }
-}
-
-#define INTMSK_CAM (1UL << (IRQ_CAM - IRQ_EINT0))
-
-static void
-s3c_irq_cam_mask(unsigned int irqno)
-{
-        s3c_irqsub_mask(irqno, INTMSK_CAM, 3<<11);
-}
-
-static void
-s3c_irq_cam_unmask(unsigned int irqno)
-{
-        s3c_irqsub_unmask(irqno, INTMSK_CAM);
-}
-
-static void
-s3c_irq_cam_ack(unsigned int irqno)
-{
-        s3c_irqsub_maskack(irqno, INTMSK_CAM, 3<<11);
-}
-
-static struct irqchip s3c_irq_cam = {
-        .mask       = s3c_irq_cam_mask,
-        .unmask     = s3c_irq_cam_unmask,
-        .ack        = s3c_irq_cam_ack,
-};
-
 static int s3c2440_irq_add(struct sys_device *sysdev)
 {
         unsigned int irqno;
 
         printk("S3C2440: IRQ Support\n");
 
-        set_irq_chip(IRQ_NFCON, &s3c_irq_level_chip);
-        set_irq_handler(IRQ_NFCON, do_level_IRQ);
-        set_irq_flags(IRQ_NFCON, IRQF_VALID);
-
         /* add new chained handler for wdt, ac7 */
 
         set_irq_chip(IRQ_WDT, &s3c_irq_level_chip);
@@ -179,18 +118,6 @@ static int s3c2440_irq_add(struct sys_device *sysdev)
                 set_irq_flags(irqno, IRQF_VALID);
         }
 
-        /* add chained handler for camera */
-
-        set_irq_chip(IRQ_CAM, &s3c_irq_level_chip);
-        set_irq_handler(IRQ_CAM, do_level_IRQ);
-        set_irq_chained_handler(IRQ_CAM, s3c_irq_demux_cam);
-
-        for (irqno = IRQ_S3C2440_CAM_C; irqno <= IRQ_S3C2440_CAM_P; irqno++) {
-                set_irq_chip(irqno, &s3c_irq_cam);
-                set_irq_handler(irqno, do_level_IRQ);
-                set_irq_flags(irqno, IRQF_VALID);
-        }
-
         return 0;
 }
 
@@ -198,10 +125,10 @@ static struct sysdev_driver s3c2440_irq_driver = {
         .add    = s3c2440_irq_add,
 };
 
-static int s3c24xx_irq_driver(void)
+static int s3c2440_irq_init(void)
 {
         return sysdev_driver_register(&s3c2440_sysclass, &s3c2440_irq_driver);
 }
 
-arch_initcall(s3c24xx_irq_driver);
+arch_initcall(s3c2440_irq_init);