* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
+#include <linux/platform_device.h>
#include <linux/list.h>
#include <linux/errno.h>
+#include <linux/dma-mapping.h>
#include <linux/interrupt.h>
#include <linux/timex.h>
#include <linux/signal.h>
+#include <linux/clk.h>
-#include <asm/hardware.h>
+#include <mach/hardware.h>
#include <asm/irq.h>
+#include <asm/sizes.h>
+#include <asm/mach/flash.h>
#include <asm/mach/irq.h>
#include <asm/mach/time.h>
#include <asm/mach/map.h>
+#include "core.h"
+
/*
* Common I/O mapping:
*
* default mapping provided here.
*/
static struct map_desc standard_io_desc[] __initdata = {
- /* virtual physical length type */
- { VIO_APB_BASE, PIO_APB_BASE, IO_APB_LENGTH, MT_DEVICE },
- { VIO_AHB_BASE, PIO_AHB_BASE, IO_AHB_LENGTH, MT_DEVICE }
+ {
+ .virtual = VIO_APB_BASE,
+ .pfn = __phys_to_pfn(PIO_APB_BASE),
+ .length = IO_APB_LENGTH,
+ .type = MT_DEVICE
+ }, {
+ .virtual = VIO_AHB_BASE,
+ .pfn = __phys_to_pfn(PIO_AHB_BASE),
+ .length = IO_AHB_LENGTH,
+ .type = MT_DEVICE
+ }
};
void __init aaec2000_map_io(void)
IRQ_INTENS |= (1 << irq);
}
-static struct irqchip aaec2000_irq_chip = {
+static struct irq_chip aaec2000_irq_chip = {
.ack = aaec2000_int_ack,
.mask = aaec2000_int_mask,
.unmask = aaec2000_int_unmask,
unsigned int i;
for (i = 0; i < NR_IRQS; i++) {
- set_irq_handler(i, do_level_IRQ);
+ set_irq_handler(i, handle_level_irq);
set_irq_chip(i, &aaec2000_irq_chip);
set_irq_flags(i, IRQF_VALID);
}
/* We enter here with IRQs enabled */
static irqreturn_t
-aaec2000_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+aaec2000_timer_interrupt(int irq, void *dev_id)
{
/* TODO: Check timer accuracy */
- write_seqlock(&xtime_lock);
-
- timer_tick(regs);
+ timer_tick();
TIMER1_CLEAR = 1;
- write_sequnlock(&xtime_lock);
-
return IRQ_HANDLED;
}
static struct irqaction aaec2000_timer_irq = {
.name = "AAEC-2000 Timer Tick",
- .flags = SA_INTERRUPT | SA_TIMER,
+ .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
.handler = aaec2000_timer_interrupt,
};
.offset = aaec2000_gettimeoffset,
};
+static struct clcd_panel mach_clcd_panel;
+
+static int aaec2000_clcd_setup(struct clcd_fb *fb)
+{
+ dma_addr_t dma;
+
+ fb->panel = &mach_clcd_panel;
+
+ fb->fb.screen_base = dma_alloc_writecombine(&fb->dev->dev, SZ_1M,
+ &dma, GFP_KERNEL);
+
+ if (!fb->fb.screen_base) {
+ printk(KERN_ERR "CLCD: unable to map framebuffer\n");
+ return -ENOMEM;
+ }
+
+ fb->fb.fix.smem_start = dma;
+ fb->fb.fix.smem_len = SZ_1M;
+
+ return 0;
+}
+
+static int aaec2000_clcd_mmap(struct clcd_fb *fb, struct vm_area_struct *vma)
+{
+ return dma_mmap_writecombine(&fb->dev->dev, vma,
+ fb->fb.screen_base,
+ fb->fb.fix.smem_start,
+ fb->fb.fix.smem_len);
+}
+
+static void aaec2000_clcd_remove(struct clcd_fb *fb)
+{
+ dma_free_writecombine(&fb->dev->dev, fb->fb.fix.smem_len,
+ fb->fb.screen_base, fb->fb.fix.smem_start);
+}
+
+static struct clcd_board clcd_plat_data = {
+ .name = "AAEC-2000",
+ .check = clcdfb_check,
+ .decode = clcdfb_decode,
+ .setup = aaec2000_clcd_setup,
+ .mmap = aaec2000_clcd_mmap,
+ .remove = aaec2000_clcd_remove,
+};
+
+static struct amba_device clcd_device = {
+ .dev = {
+ .init_name = "mb:16",
+ .coherent_dma_mask = ~0,
+ .platform_data = &clcd_plat_data,
+ },
+ .res = {
+ .start = AAEC_CLCD_PHYS,
+ .end = AAEC_CLCD_PHYS + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ .irq = { INT_LCD, NO_IRQ },
+ .periphid = 0x41110,
+};
+
+static struct amba_device *amba_devs[] __initdata = {
+ &clcd_device,
+};
+
+void clk_disable(struct clk *clk)
+{
+}
+
+int clk_set_rate(struct clk *clk, unsigned long rate)
+{
+ return 0;
+}
+
+int clk_enable(struct clk *clk)
+{
+ return 0;
+}
+
+struct clk *clk_get(struct device *dev, const char *id)
+{
+ return dev && strcmp(dev_name(dev), "mb:16") == 0 ? NULL : ERR_PTR(-ENOENT);
+}
+
+void clk_put(struct clk *clk)
+{
+}
+
+void __init aaec2000_set_clcd_plat_data(struct aaec2000_clcd_info *clcd)
+{
+ clcd_plat_data.enable = clcd->enable;
+ clcd_plat_data.disable = clcd->disable;
+ memcpy(&mach_clcd_panel, &clcd->panel, sizeof(struct clcd_panel));
+}
+
+static struct flash_platform_data aaec2000_flash_data = {
+ .map_name = "cfi_probe",
+ .width = 4,
+};
+
+static struct resource aaec2000_flash_resource = {
+ .start = AAEC_FLASH_BASE,
+ .end = AAEC_FLASH_BASE + AAEC_FLASH_SIZE,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device aaec2000_flash_device = {
+ .name = "armflash",
+ .id = 0,
+ .dev = {
+ .platform_data = &aaec2000_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &aaec2000_flash_resource,
+};
+
+static int __init aaec2000_init(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
+ struct amba_device *d = amba_devs[i];
+ amba_device_register(d, &iomem_resource);
+ }
+
+ platform_device_register(&aaec2000_flash_device);
+
+ return 0;
+};
+arch_initcall(aaec2000_init);
+
Code Review / linux-2.6.git / blobdiff