#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
+#include <linux/irq.h>
#include <linux/list.h>
-#include <linux/timer.h>
+#include <linux/sched.h>
#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/serial_8250.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
+#include <asm/mach/time.h>
#include <asm/hardware.h>
#include <asm/hardware/iomd.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
+unsigned int vram_size;
+
static void cl7500_ack_irq_a(unsigned int irq)
{
unsigned int val, mask;
iomd_writeb(val | mask, IOMD_IRQMASKA);
}
-static struct irqchip clps7500_a_chip = {
+static struct irq_chip clps7500_a_chip = {
.ack = cl7500_ack_irq_a,
.mask = cl7500_mask_irq_a,
.unmask = cl7500_unmask_irq_a,
iomd_writeb(val | mask, IOMD_IRQMASKB);
}
-static struct irqchip clps7500_b_chip = {
+static struct irq_chip clps7500_b_chip = {
.ack = cl7500_mask_irq_b,
.mask = cl7500_mask_irq_b,
.unmask = cl7500_unmask_irq_b,
iomd_writeb(val | mask, IOMD_IRQMASKC);
}
-static struct irqchip clps7500_c_chip = {
+static struct irq_chip clps7500_c_chip = {
.ack = cl7500_mask_irq_c,
.mask = cl7500_mask_irq_c,
.unmask = cl7500_unmask_irq_c,
iomd_writeb(val | mask, IOMD_IRQMASKD);
}
-static struct irqchip clps7500_d_chip = {
+static struct irq_chip clps7500_d_chip = {
.ack = cl7500_mask_irq_d,
.mask = cl7500_mask_irq_d,
.unmask = cl7500_unmask_irq_d,
iomd_writeb(val | mask, IOMD_DMAMASK);
}
-static struct irqchip clps7500_dma_chip = {
+static struct irq_chip clps7500_dma_chip = {
.ack = cl7500_mask_irq_dma,
.mask = cl7500_mask_irq_dma,
.unmask = cl7500_unmask_irq_dma,
iomd_writeb(val | mask, IOMD_FIQMASK);
}
-static struct irqchip clps7500_fiq_chip = {
+static struct irq_chip clps7500_fiq_chip = {
.ack = cl7500_mask_irq_fiq,
.mask = cl7500_mask_irq_fiq,
.unmask = cl7500_unmask_irq_fiq,
{
}
-static struct irqchip clps7500_no_chip = {
+static struct irq_chip clps7500_no_chip = {
.ack = cl7500_no_action,
.mask = cl7500_no_action,
.unmask = cl7500_no_action,
};
-static struct irqaction irq_isa = { no_action, 0, 0, "isa", NULL, NULL };
+static struct irqaction irq_isa = { no_action, 0, CPU_MASK_NONE, "isa", NULL, NULL };
static void __init clps7500_init_irq(void)
{
switch (irq) {
case 0 ... 7:
set_irq_chip(irq, &clps7500_a_chip);
- set_irq_handler(irq, do_level_IRQ);
+ set_irq_handler(irq, handle_level_irq);
set_irq_flags(irq, flags);
break;
case 8 ... 15:
set_irq_chip(irq, &clps7500_b_chip);
- set_irq_handler(irq, do_level_IRQ);
+ set_irq_handler(irq, handle_level_irq);
set_irq_flags(irq, flags);
break;
case 16 ... 22:
set_irq_chip(irq, &clps7500_dma_chip);
- set_irq_handler(irq, do_level_IRQ);
+ set_irq_handler(irq, handle_level_irq);
set_irq_flags(irq, flags);
break;
case 24 ... 31:
set_irq_chip(irq, &clps7500_c_chip);
- set_irq_handler(irq, do_level_IRQ);
+ set_irq_handler(irq, handle_level_irq);
set_irq_flags(irq, flags);
break;
case 40 ... 47:
set_irq_chip(irq, &clps7500_d_chip);
- set_irq_handler(irq, do_level_IRQ);
+ set_irq_handler(irq, handle_level_irq);
set_irq_flags(irq, flags);
break;
case 48 ... 55:
set_irq_chip(irq, &clps7500_no_chip);
- set_irq_handler(irq, do_level_IRQ);
+ set_irq_handler(irq, handle_level_irq);
set_irq_flags(irq, flags);
break;
case 64 ... 72:
set_irq_chip(irq, &clps7500_fiq_chip);
- set_irq_handler(irq, do_level_IRQ);
+ set_irq_handler(irq, handle_level_irq);
set_irq_flags(irq, flags);
break;
}
}
static struct map_desc cl7500_io_desc[] __initdata = {
- { IO_BASE, IO_START, IO_SIZE, MT_DEVICE }, /* IO space */
- { ISA_BASE, ISA_START, ISA_SIZE, MT_DEVICE }, /* ISA space */
- { FLASH_BASE, FLASH_START, FLASH_SIZE, MT_DEVICE }, /* Flash */
- { LED_BASE, LED_START, LED_SIZE, MT_DEVICE } /* LED */
+ { /* IO space */
+ .virtual = (unsigned long)IO_BASE,
+ .pfn = __phys_to_pfn(IO_START),
+ .length = IO_SIZE,
+ .type = MT_DEVICE
+ }, { /* ISA space */
+ .virtual = ISA_BASE,
+ .pfn = __phys_to_pfn(ISA_START),
+ .length = ISA_SIZE,
+ .type = MT_DEVICE
+ }, { /* Flash */
+ .virtual = FLASH_BASE,
+ .pfn = __phys_to_pfn(FLASH_START),
+ .length = FLASH_SIZE,
+ .type = MT_DEVICE
+ }, { /* LED */
+ .virtual = LED_BASE,
+ .pfn = __phys_to_pfn(LED_START),
+ .length = LED_SIZE,
+ .type = MT_DEVICE
+ }
};
static void __init clps7500_map_io(void)
iotable_init(cl7500_io_desc, ARRAY_SIZE(cl7500_io_desc));
}
+extern void ioctime_init(void);
+extern unsigned long ioc_timer_gettimeoffset(void);
+
+static irqreturn_t
+clps7500_timer_interrupt(int irq, void *dev_id)
+{
+ write_seqlock(&xtime_lock);
+
+ timer_tick();
+
+ /* Why not using do_leds interface?? */
+ {
+ /* Twinkle the lights. */
+ static int count, state = 0xff00;
+ if (count-- == 0) {
+ state ^= 0x100;
+ count = 25;
+ *((volatile unsigned int *)LED_ADDRESS) = state;
+ }
+ }
+
+ write_sequnlock(&xtime_lock);
+
+ return IRQ_HANDLED;
+}
+
+static struct irqaction clps7500_timer_irq = {
+ .name = "CLPS7500 Timer Tick",
+ .flags = IRQF_DISABLED | IRQF_TIMER,
+ .handler = clps7500_timer_interrupt,
+};
+
+/*
+ * Set up timer interrupt.
+ */
+static void __init clps7500_timer_init(void)
+{
+ ioctime_init();
+ setup_irq(IRQ_TIMER, &clps7500_timer_irq);
+}
+
+static struct sys_timer clps7500_timer = {
+ .init = clps7500_timer_init,
+ .offset = ioc_timer_gettimeoffset,
+};
+
+static struct plat_serial8250_port serial_platform_data[] = {
+ {
+ .mapbase = 0x03010fe0,
+ .irq = 10,
+ .uartclk = 1843200,
+ .regshift = 2,
+ .iotype = UPIO_MEM,
+ .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP | UPF_SKIP_TEST,
+ },
+ {
+ .mapbase = 0x03010be0,
+ .irq = 0,
+ .uartclk = 1843200,
+ .regshift = 2,
+ .iotype = UPIO_MEM,
+ .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP | UPF_SKIP_TEST,
+ },
+ {
+ .iobase = ISASLOT_IO + 0x2e8,
+ .irq = 41,
+ .uartclk = 1843200,
+ .regshift = 0,
+ .iotype = UPIO_PORT,
+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
+ },
+ {
+ .iobase = ISASLOT_IO + 0x3e8,
+ .irq = 40,
+ .uartclk = 1843200,
+ .regshift = 0,
+ .iotype = UPIO_PORT,
+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
+ },
+ { },
+};
+
+static struct platform_device serial_device = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM,
+ .dev = {
+ .platform_data = serial_platform_data,
+ },
+};
+
+static void __init clps7500_init(void)
+{
+ platform_device_register(&serial_device);
+}
+
MACHINE_START(CLPS7500, "CL-PS7500")
- MAINTAINER("Philip Blundell")
- BOOT_MEM(0x10000000, 0x03000000, 0xe0000000)
- MAPIO(clps7500_map_io)
- INITIRQ(clps7500_init_irq)
+ /* Maintainer: Philip Blundell */
+ .phys_io = 0x03000000,
+ .io_pg_offst = ((0xe0000000) >> 18) & 0xfffc,
+ .map_io = clps7500_map_io,
+ .init_irq = clps7500_init_irq,
+ .init_machine = clps7500_init,
+ .timer = &clps7500_timer,
MACHINE_END
git://git.onelab.eu / linux-2.6.git / blobdiff