*
* Author: Nicolas Pitre <nico@cam.org>
* Copyright (C) 2001 MontaVista Software, Inc.
+ * Copyright (C) 2004 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify
* 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/mm.h>
#include <linux/init.h>
+#include <linux/config.h>
#include <linux/major.h>
#include <linux/fs.h>
+#include <linux/platform_device.h>
+#include <linux/serial.h>
+#include <linux/tty.h>
+#include <linux/serial_core.h>
+#include <asm/io.h>
+#include <asm/pgtable.h>
+#include <asm/page.h>
+#include <asm/mach/map.h>
#include <asm/setup.h>
#include <asm/system.h>
#include <asm/memory.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
+#define IOP321_UART_XTAL 1843200
+
+/*
+ * Standard IO mapping for all IOP321 based systems
+ */
+static struct map_desc iop321_std_desc[] __initdata = {
+ { /* mem mapped registers */
+ .virtual = IOP321_VIRT_MEM_BASE,
+ .pfn = __phys_to_pfn(IOP321_PHYS_MEM_BASE),
+ .length = 0x00002000,
+ .type = MT_DEVICE
+ }, { /* PCI IO space */
+ .virtual = IOP321_PCI_LOWER_IO_VA,
+ .pfn = __phys_to_pfn(IOP321_PCI_LOWER_IO_PA),
+ .length = IOP321_PCI_IO_WINDOW_SIZE,
+ .type = MT_DEVICE
+ }
+};
+
+#ifdef CONFIG_ARCH_IQ80321
+#define UARTBASE IQ80321_UART
+#define IRQ_UART IRQ_IQ80321_UART
+#endif
+
+#ifdef CONFIG_ARCH_IQ31244
+#define UARTBASE IQ31244_UART
+#define IRQ_UART IRQ_IQ31244_UART
+#endif
+
+static struct uart_port iop321_serial_ports[] = {
+ {
+ .membase = (char*)(UARTBASE),
+ .mapbase = (UARTBASE),
+ .irq = IRQ_UART,
+ .flags = UPF_SKIP_TEST,
+ .iotype = UPIO_MEM,
+ .regshift = 0,
+ .uartclk = IOP321_UART_XTAL,
+ .line = 0,
+ .type = PORT_16550A,
+ .fifosize = 16
+ }
+};
+
+static struct resource iop32x_i2c_0_resources[] = {
+ [0] = {
+ .start = 0xfffff680,
+ .end = 0xfffff698,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_IOP321_I2C_0,
+ .end = IRQ_IOP321_I2C_0,
+ .flags = IORESOURCE_IRQ
+ }
+};
+
+static struct resource iop32x_i2c_1_resources[] = {
+ [0] = {
+ .start = 0xfffff6a0,
+ .end = 0xfffff6b8,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_IOP321_I2C_1,
+ .end = IRQ_IOP321_I2C_1,
+ .flags = IORESOURCE_IRQ
+ }
+};
+
+static struct platform_device iop32x_i2c_0_controller = {
+ .name = "IOP3xx-I2C",
+ .id = 0,
+ .num_resources = 2,
+ .resource = iop32x_i2c_0_resources
+};
+
+static struct platform_device iop32x_i2c_1_controller = {
+ .name = "IOP3xx-I2C",
+ .id = 1,
+ .num_resources = 2,
+ .resource = iop32x_i2c_1_resources
+};
+
+static struct platform_device *iop32x_devices[] __initdata = {
+ &iop32x_i2c_0_controller,
+ &iop32x_i2c_1_controller
+};
+
+void __init iop32x_init(void)
+{
+ if(iop_is_321())
+ {
+ platform_add_devices(iop32x_devices,
+ ARRAY_SIZE(iop32x_devices));
+ }
+}
+
+void __init iop321_map_io(void)
+{
+ iotable_init(iop321_std_desc, ARRAY_SIZE(iop321_std_desc));
+ early_serial_setup(&iop321_serial_ports[0]);
+}
+
#ifdef CONFIG_ARCH_IQ80321
extern void iq80321_map_io(void);
-extern void iop321_init_irq(void);
+extern struct sys_timer iop321_timer;
extern void iop321_init_time(void);
#endif
#ifdef CONFIG_ARCH_IQ31244
extern void iq31244_map_io(void);
-extern void iop321_init_irq(void);
+extern struct sys_timer iop321_timer;
extern void iop321_init_time(void);
#endif
-static void __init
-fixup_iop321(struct machine_desc *desc, struct tag *tags,
- char **cmdline, struct meminfo *mi)
-{
-}
-
#if defined(CONFIG_ARCH_IQ80321)
MACHINE_START(IQ80321, "Intel IQ80321")
- MAINTAINER("Intel Corporation")
- BOOT_MEM(PHYS_OFFSET, IQ80321_UART, 0xfe800000)
- FIXUP(fixup_iop321)
- MAPIO(iq80321_map_io)
- INITIRQ(iop321_init_irq)
- INITTIME(iop321_init_time)
- BOOT_PARAMS(0xa0000100)
+ /* Maintainer: Intel Corporation */
+ .phys_io = IQ80321_UART,
+ .io_pg_offst = ((IQ80321_UART) >> 18) & 0xfffc,
+ .map_io = iq80321_map_io,
+ .init_irq = iop321_init_irq,
+ .timer = &iop321_timer,
+ .boot_params = 0xa0000100,
+ .init_machine = iop32x_init,
MACHINE_END
#elif defined(CONFIG_ARCH_IQ31244)
- MACHINE_START(IQ31244, "Intel IQ31244")
- MAINTAINER("Intel Corp.")
- BOOT_MEM(PHYS_OFFSET, IQ31244_UART, IQ31244_UART)
- MAPIO(iq31244_map_io)
- INITIRQ(iop321_init_irq)
- INITTIME(iop321_init_time)
- BOOT_PARAMS(0xa0000100)
+MACHINE_START(IQ31244, "Intel IQ31244")
+ /* Maintainer: Intel Corp. */
+ .phys_io = IQ31244_UART,
+ .io_pg_offst = ((IQ31244_UART) >> 18) & 0xfffc,
+ .map_io = iq31244_map_io,
+ .init_irq = iop321_init_irq,
+ .timer = &iop321_timer,
+ .boot_params = 0xa0000100,
+ .init_machine = iop32x_init,
MACHINE_END
#else
#error No machine descriptor defined for this IOP3XX implementation
git://git.onelab.eu / linux-2.6.git / blobdiff