#include <linux/serial.h>
#include <linux/sched.h>
#include <linux/tty.h>
+#include <linux/platform_device.h>
#include <linux/serial_core.h>
#include <linux/bootmem.h>
#include <linux/interrupt.h>
static struct map_desc ixp4xx_io_desc[] __initdata = {
{ /* UART, Interrupt ctrl, GPIO, timers, NPEs, MACs, USB .... */
.virtual = IXP4XX_PERIPHERAL_BASE_VIRT,
- .physical = IXP4XX_PERIPHERAL_BASE_PHYS,
+ .pfn = __phys_to_pfn(IXP4XX_PERIPHERAL_BASE_PHYS),
.length = IXP4XX_PERIPHERAL_REGION_SIZE,
.type = MT_DEVICE
}, { /* Expansion Bus Config Registers */
.virtual = IXP4XX_EXP_CFG_BASE_VIRT,
- .physical = IXP4XX_EXP_CFG_BASE_PHYS,
+ .pfn = __phys_to_pfn(IXP4XX_EXP_CFG_BASE_PHYS),
.length = IXP4XX_EXP_CFG_REGION_SIZE,
.type = MT_DEVICE
}, { /* PCI Registers */
.virtual = IXP4XX_PCI_CFG_BASE_VIRT,
- .physical = IXP4XX_PCI_CFG_BASE_PHYS,
+ .pfn = __phys_to_pfn(IXP4XX_PCI_CFG_BASE_PHYS),
.length = IXP4XX_PCI_CFG_REGION_SIZE,
.type = MT_DEVICE
},
#ifdef CONFIG_DEBUG_LL
{ /* Debug UART mapping */
.virtual = IXP4XX_DEBUG_UART_BASE_VIRT,
- .physical = IXP4XX_DEBUG_UART_BASE_PHYS,
+ .pfn = __phys_to_pfn(IXP4XX_DEBUG_UART_BASE_PHYS),
.length = IXP4XX_DEBUG_UART_REGION_SIZE,
.type = MT_DEVICE
}
*int_reg &= ~(IXP4XX_GPIO_STYLE_CLEAR <<
(line * IXP4XX_GPIO_STYLE_SIZE));
+ *IXP4XX_GPIO_GPISR = (1 << line);
+
/* Set the new style */
*int_reg |= (int_style << (line * IXP4XX_GPIO_STYLE_SIZE));
int line = (irq < 32) ? irq2gpio[irq] : -1;
if (line >= 0)
- gpio_line_isr_clear(line);
+ *IXP4XX_GPIO_GPISR = (1 << line);
}
/*
&ixp46x_i2c_controller
};
+unsigned long ixp4xx_exp_bus_size;
+
void __init ixp4xx_sys_init(void)
{
+ ixp4xx_exp_bus_size = SZ_16M;
+
if (cpu_is_ixp46x()) {
+ int region;
+
platform_add_devices(ixp46x_devices,
ARRAY_SIZE(ixp46x_devices));
+
+ for (region = 0; region < 7; region++) {
+ if((*(IXP4XX_EXP_REG(0x4 * region)) & 0x200)) {
+ ixp4xx_exp_bus_size = SZ_32M;
+ break;
+ }
+ }
}
+
+ printk("IXP4xx: Using %uMiB expansion bus window size\n",
+ ixp4xx_exp_bus_size >> 20);
}