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222 lines
5.0 KiB
222 lines
5.0 KiB
/*
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* linux/arch/arm/mach-iop3xx/iop331-setup.c
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*
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* Author: Dave Jiang (dave.jiang@intel.com)
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* Copyright (C) 2004 Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#include <linux/mm.h>
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#include <linux/init.h>
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#include <linux/config.h>
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#include <linux/major.h>
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#include <linux/fs.h>
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#include <linux/platform_device.h>
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#include <linux/serial.h>
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#include <linux/tty.h>
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#include <linux/serial_8250.h>
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#include <asm/io.h>
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#include <asm/pgtable.h>
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#include <asm/page.h>
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#include <asm/mach/map.h>
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#include <asm/setup.h>
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#include <asm/system.h>
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#include <asm/memory.h>
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#include <asm/hardware.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#define IOP331_UART_XTAL 33334000
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/*
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* Standard IO mapping for all IOP331 based systems
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*/
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static struct map_desc iop331_std_desc[] __initdata = {
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{ /* mem mapped registers */
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.virtual = IOP331_VIRT_MEM_BASE,
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.pfn = __phys_to_pfn(IOP331_PHYS_MEM_BASE),
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.length = 0x00002000,
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.type = MT_DEVICE
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}, { /* PCI IO space */
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.virtual = IOP331_PCI_LOWER_IO_VA,
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.pfn = __phys_to_pfn(IOP331_PCI_LOWER_IO_PA),
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.length = IOP331_PCI_IO_WINDOW_SIZE,
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.type = MT_DEVICE
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}
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};
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static struct resource iop33x_uart0_resources[] = {
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[0] = {
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.start = IOP331_UART0_PHYS,
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.end = IOP331_UART0_PHYS + 0x3f,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_IOP331_UART0,
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.end = IRQ_IOP331_UART0,
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.flags = IORESOURCE_IRQ
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}
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};
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static struct resource iop33x_uart1_resources[] = {
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[0] = {
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.start = IOP331_UART1_PHYS,
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.end = IOP331_UART1_PHYS + 0x3f,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_IOP331_UART1,
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.end = IRQ_IOP331_UART1,
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.flags = IORESOURCE_IRQ
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}
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};
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static struct plat_serial8250_port iop33x_uart0_data[] = {
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{
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.membase = (char*)(IOP331_UART0_VIRT),
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.mapbase = (IOP331_UART0_PHYS),
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.irq = IRQ_IOP331_UART0,
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.uartclk = IOP331_UART_XTAL,
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.regshift = 2,
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.iotype = UPIO_MEM,
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.flags = UPF_SKIP_TEST,
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},
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{ },
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};
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static struct plat_serial8250_port iop33x_uart1_data[] = {
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{
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.membase = (char*)(IOP331_UART1_VIRT),
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.mapbase = (IOP331_UART1_PHYS),
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.irq = IRQ_IOP331_UART1,
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.uartclk = IOP331_UART_XTAL,
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.regshift = 2,
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.iotype = UPIO_MEM,
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.flags = UPF_SKIP_TEST,
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},
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{ },
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};
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static struct platform_device iop33x_uart0 = {
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.name = "serial8250",
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.id = 0,
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.dev.platform_data = iop33x_uart0_data,
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.num_resources = 2,
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.resource = iop33x_uart0_resources,
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};
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static struct platform_device iop33x_uart1 = {
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.name = "serial8250",
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.id = 1,
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.dev.platform_data = iop33x_uart1_data,
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.num_resources = 2,
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.resource = iop33x_uart1_resources,
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};
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static struct resource iop33x_i2c_0_resources[] = {
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[0] = {
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.start = 0xfffff680,
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.end = 0xfffff698,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_IOP331_I2C_0,
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.end = IRQ_IOP331_I2C_0,
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.flags = IORESOURCE_IRQ
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}
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};
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static struct resource iop33x_i2c_1_resources[] = {
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[0] = {
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.start = 0xfffff6a0,
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.end = 0xfffff6b8,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_IOP331_I2C_1,
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.end = IRQ_IOP331_I2C_1,
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.flags = IORESOURCE_IRQ
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}
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};
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static struct platform_device iop33x_i2c_0_controller = {
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.name = "IOP3xx-I2C",
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.id = 0,
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.num_resources = 2,
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.resource = iop33x_i2c_0_resources
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};
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static struct platform_device iop33x_i2c_1_controller = {
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.name = "IOP3xx-I2C",
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.id = 1,
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.num_resources = 2,
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.resource = iop33x_i2c_1_resources
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};
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static struct platform_device *iop33x_devices[] __initdata = {
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&iop33x_uart0,
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&iop33x_uart1,
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&iop33x_i2c_0_controller,
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&iop33x_i2c_1_controller
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};
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void __init iop33x_init(void)
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{
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if(iop_is_331())
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{
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platform_add_devices(iop33x_devices,
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ARRAY_SIZE(iop33x_devices));
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}
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}
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void __init iop331_map_io(void)
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{
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iotable_init(iop331_std_desc, ARRAY_SIZE(iop331_std_desc));
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}
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#ifdef CONFIG_ARCH_IOP331
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extern void iop331_init_irq(void);
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extern struct sys_timer iop331_timer;
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#endif
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#ifdef CONFIG_ARCH_IQ80331
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extern void iq80331_map_io(void);
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#endif
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#ifdef CONFIG_MACH_IQ80332
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extern void iq80332_map_io(void);
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#endif
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#if defined(CONFIG_ARCH_IQ80331)
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MACHINE_START(IQ80331, "Intel IQ80331")
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/* Maintainer: Intel Corp. */
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.phys_io = 0xfefff000,
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.io_pg_offst = ((0xfffff000) >> 18) & 0xfffc, // virtual, physical
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.map_io = iq80331_map_io,
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.init_irq = iop331_init_irq,
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.timer = &iop331_timer,
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.boot_params = 0x0100,
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.init_machine = iop33x_init,
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MACHINE_END
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#elif defined(CONFIG_MACH_IQ80332)
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MACHINE_START(IQ80332, "Intel IQ80332")
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/* Maintainer: Intel Corp. */
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.phys_io = 0xfefff000,
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.io_pg_offst = ((0xfffff000) >> 18) & 0xfffc, // virtual, physical
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.map_io = iq80332_map_io,
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.init_irq = iop331_init_irq,
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.timer = &iop331_timer,
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.boot_params = 0x0100,
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.init_machine = iop33x_init,
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MACHINE_END
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#else
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#error No machine descriptor defined for this IOP3XX implementation
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#endif
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