* your option) any later version.
*/
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/spinlock.h>
#include <linux/time.h>
#include <linux/timex.h>
#include <linux/delay.h>
+#include <linux/termios.h>
#include <linux/amba/bus.h>
+#include <linux/amba/serial.h>
#include <asm/types.h>
#include <asm/setup.h>
write_seqlock(&xtime_lock);
__raw_writel(1, EP93XX_TIMER1_CLEAR);
- while (__raw_readl(EP93XX_TIMER4_VALUE_LOW) - last_jiffy_time
+ while ((signed long)
+ (__raw_readl(EP93XX_TIMER4_VALUE_LOW) - last_jiffy_time)
>= TIMER4_TICKS_PER_JIFFY) {
last_jiffy_time += TIMER4_TICKS_PER_JIFFY;
timer_tick(regs);
static struct irqaction ep93xx_timer_irq = {
.name = "ep93xx timer",
- .flags = SA_INTERRUPT | SA_TIMER,
+ .flags = IRQF_DISABLED | IRQF_TIMER,
.handler = ep93xx_timer_interrupt,
};
{
/* Enable periodic HZ timer. */
__raw_writel(0x48, EP93XX_TIMER1_CONTROL);
- __raw_writel((508000 / HZ) - 1, EP93XX_TIMER1_LOAD);
+ __raw_writel((508469 / HZ) - 1, EP93XX_TIMER1_LOAD);
__raw_writel(0xc8, EP93XX_TIMER1_CONTROL);
/* Enable lost jiffy timer. */
/*************************************************************************
* EP93xx peripheral handling
*************************************************************************/
+#define EP93XX_UART_MCR_OFFSET (0x0100)
+
+static void ep93xx_uart_set_mctrl(struct amba_device *dev,
+ void __iomem *base, unsigned int mctrl)
+{
+ unsigned int mcr;
+
+ mcr = 0;
+ if (!(mctrl & TIOCM_RTS))
+ mcr |= 2;
+ if (!(mctrl & TIOCM_DTR))
+ mcr |= 1;
+
+ __raw_writel(mcr, base + EP93XX_UART_MCR_OFFSET);
+}
+
+static struct amba_pl010_data ep93xx_uart_data = {
+ .set_mctrl = ep93xx_uart_set_mctrl,
+};
+
+static struct amba_device uart1_device = {
+ .dev = {
+ .bus_id = "apb:uart1",
+ .platform_data = &ep93xx_uart_data,
+ },
+ .res = {
+ .start = EP93XX_UART1_PHYS_BASE,
+ .end = EP93XX_UART1_PHYS_BASE + 0x0fff,
+ .flags = IORESOURCE_MEM,
+ },
+ .irq = { IRQ_EP93XX_UART1, NO_IRQ },
+ .periphid = 0x00041010,
+};
+
+static struct amba_device uart2_device = {
+ .dev = {
+ .bus_id = "apb:uart2",
+ .platform_data = &ep93xx_uart_data,
+ },
+ .res = {
+ .start = EP93XX_UART2_PHYS_BASE,
+ .end = EP93XX_UART2_PHYS_BASE + 0x0fff,
+ .flags = IORESOURCE_MEM,
+ },
+ .irq = { IRQ_EP93XX_UART2, NO_IRQ },
+ .periphid = 0x00041010,
+};
+
+static struct amba_device uart3_device = {
+ .dev = {
+ .bus_id = "apb:uart3",
+ .platform_data = &ep93xx_uart_data,
+ },
+ .res = {
+ .start = EP93XX_UART3_PHYS_BASE,
+ .end = EP93XX_UART3_PHYS_BASE + 0x0fff,
+ .flags = IORESOURCE_MEM,
+ },
+ .irq = { IRQ_EP93XX_UART3, NO_IRQ },
+ .periphid = 0x00041010,
+};
+
+
+static struct platform_device ep93xx_rtc_device = {
+ .name = "ep93xx-rtc",
+ .id = -1,
+ .num_resources = 0,
+};
+
+
+static struct resource ep93xx_ohci_resources[] = {
+ [0] = {
+ .start = EP93XX_USB_PHYS_BASE,
+ .end = EP93XX_USB_PHYS_BASE + 0x0fff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_EP93XX_USB,
+ .end = IRQ_EP93XX_USB,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device ep93xx_ohci_device = {
+ .name = "ep93xx-ohci",
+ .id = -1,
+ .dev = {
+ .dma_mask = (void *)0xffffffff,
+ .coherent_dma_mask = 0xffffffff,
+ },
+ .num_resources = ARRAY_SIZE(ep93xx_ohci_resources),
+ .resource = ep93xx_ohci_resources,
+};
+
+
void __init ep93xx_init_devices(void)
{
unsigned int v;
+ ep93xx_clock_init();
+
/*
* Disallow access to MaverickCrunch initially.
*/
v &= ~EP93XX_SYSCON_DEVICE_CONFIG_CRUNCH_ENABLE;
__raw_writel(0xaa, EP93XX_SYSCON_SWLOCK);
__raw_writel(v, EP93XX_SYSCON_DEVICE_CONFIG);
+
+ amba_device_register(&uart1_device, &iomem_resource);
+ amba_device_register(&uart2_device, &iomem_resource);
+ amba_device_register(&uart3_device, &iomem_resource);
+
+ platform_device_register(&ep93xx_rtc_device);
+ platform_device_register(&ep93xx_ohci_device);
}