/* * arch/arm/mach-iop32x/iq80321.c * * Board support code for the Intel IQ80321 platform. * * Author: Rory Bolt <rorybolt@pacbell.net> * Copyright (C) 2002 Rory Bolt * Copyright (C) 2004 Intel Corp. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. */ #include <linux/mm.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/pci.h> #include <linux/string.h> #include <linux/serial_core.h> #include <linux/serial_8250.h> #include <linux/mtd/physmap.h> #include <linux/platform_device.h> #include <linux/io.h> #include <mach/hardware.h> #include <asm/irq.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/pci.h> #include <asm/mach/time.h> #include <asm/mach-types.h> #include <asm/page.h> #include <asm/pgtable.h> #include <mach/time.h> /* * IQ80321 timer tick configuration. */ static void __init iq80321_timer_init(void) { /* 33.333 MHz crystal. */ iop_init_time(200000000); } static struct sys_timer iq80321_timer = { .init = iq80321_timer_init, }; /* * IQ80321 I/O. */ static struct map_desc iq80321_io_desc[] __initdata = { { /* on-board devices */ .virtual = IQ80321_UART, .pfn = __phys_to_pfn(IQ80321_UART), .length = 0x00100000, .type = MT_DEVICE, }, }; void __init iq80321_map_io(void) { iop3xx_map_io(); iotable_init(iq80321_io_desc, ARRAY_SIZE(iq80321_io_desc)); } /* * IQ80321 PCI. */ static int __init iq80321_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { int irq; if ((slot == 2 || slot == 6) && pin == 1) { /* PCI-X Slot INTA */ irq = IRQ_IOP32X_XINT2; } else if ((slot == 2 || slot == 6) && pin == 2) { /* PCI-X Slot INTA */ irq = IRQ_IOP32X_XINT3; } else if ((slot == 2 || slot == 6) && pin == 3) { /* PCI-X Slot INTA */ irq = IRQ_IOP32X_XINT0; } else if ((slot == 2 || slot == 6) && pin == 4) { /* PCI-X Slot INTA */ irq = IRQ_IOP32X_XINT1; } else if (slot == 4 || slot == 8) { /* Gig-E */ irq = IRQ_IOP32X_XINT0; } else { printk(KERN_ERR "iq80321_pci_map_irq() called for unknown " "device PCI:%d:%d:%d\n", dev->bus->number, PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn)); irq = -1; } return irq; } static struct hw_pci iq80321_pci __initdata = { .nr_controllers = 1, .ops = &iop3xx_ops, .setup = iop3xx_pci_setup, .preinit = iop3xx_pci_preinit_cond, .map_irq = iq80321_pci_map_irq, }; static int __init iq80321_pci_init(void) { if ((iop3xx_get_init_atu() == IOP3XX_INIT_ATU_ENABLE) && machine_is_iq80321()) pci_common_init(&iq80321_pci); return 0; } subsys_initcall(iq80321_pci_init); /* * IQ80321 machine initialisation. */ static struct physmap_flash_data iq80321_flash_data = { .width = 1, }; static struct resource iq80321_flash_resource = { .start = 0xf0000000, .end = 0xf07fffff, .flags = IORESOURCE_MEM, }; static struct platform_device iq80321_flash_device = { .name = "physmap-flash", .id = 0, .dev = { .platform_data = &iq80321_flash_data, }, .num_resources = 1, .resource = &iq80321_flash_resource, }; static struct plat_serial8250_port iq80321_serial_port[] = { { .mapbase = IQ80321_UART, .membase = (char *)IQ80321_UART, .irq = IRQ_IOP32X_XINT1, .flags = UPF_SKIP_TEST, .iotype = UPIO_MEM, .regshift = 0, .uartclk = 1843200, }, { }, }; static struct resource iq80321_uart_resource = { .start = IQ80321_UART, .end = IQ80321_UART + 7, .flags = IORESOURCE_MEM, }; static struct platform_device iq80321_serial_device = { .name = "serial8250", .id = PLAT8250_DEV_PLATFORM, .dev = { .platform_data = iq80321_serial_port, }, .num_resources = 1, .resource = &iq80321_uart_resource, }; static void __init iq80321_init_machine(void) { platform_device_register(&iop3xx_i2c0_device); platform_device_register(&iop3xx_i2c1_device); platform_device_register(&iq80321_flash_device); platform_device_register(&iq80321_serial_device); platform_device_register(&iop3xx_dma_0_channel); platform_device_register(&iop3xx_dma_1_channel); platform_device_register(&iop3xx_aau_channel); } MACHINE_START(IQ80321, "Intel IQ80321") /* Maintainer: Intel Corp. */ .atag_offset = 0x100, .map_io = iq80321_map_io, .init_irq = iop32x_init_irq, .timer = &iq80321_timer, .init_machine = iq80321_init_machine, .restart = iop3xx_restart, MACHINE_END