diff options
Diffstat (limited to 'kernel/arch/arm/mach-iop33x/iq80331.c')
| -rw-r--r-- | kernel/arch/arm/mach-iop33x/iq80331.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-iop33x/iq80331.c b/kernel/arch/arm/mach-iop33x/iq80331.c new file mode 100644 index 000000000..e2cb65cfb --- /dev/null +++ b/kernel/arch/arm/mach-iop33x/iq80331.c @@ -0,0 +1,152 @@ +/* + * arch/arm/mach-iop33x/iq80331.c + * + * Board support code for the Intel IQ80331 platform. + * + * Author: Dave Jiang <dave.jiang@intel.com> + * Copyright (C) 2003 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> + +/* + * IQ80331 timer tick configuration. + */ +static void __init iq80331_timer_init(void) +{ + /* D-Step parts run at a higher internal bus frequency */ + if (*IOP3XX_ATURID >= 0xa) + iop_init_time(333000000); + else + iop_init_time(266000000); +} + + +/* + * IQ80331 PCI. + */ +static int __init +iq80331_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + int irq; + + if (slot == 1 && pin == 1) { + /* PCI-X Slot INTA */ + irq = IRQ_IOP33X_XINT1; + } else if (slot == 1 && pin == 2) { + /* PCI-X Slot INTB */ + irq = IRQ_IOP33X_XINT2; + } else if (slot == 1 && pin == 3) { + /* PCI-X Slot INTC */ + irq = IRQ_IOP33X_XINT3; + } else if (slot == 1 && pin == 4) { + /* PCI-X Slot INTD */ + irq = IRQ_IOP33X_XINT0; + } else if (slot == 2) { + /* GigE */ + irq = IRQ_IOP33X_XINT2; + } else { + printk(KERN_ERR "iq80331_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 iq80331_pci __initdata = { + .nr_controllers = 1, + .ops = &iop3xx_ops, + .setup = iop3xx_pci_setup, + .preinit = iop3xx_pci_preinit_cond, + .map_irq = iq80331_pci_map_irq, +}; + +static int __init iq80331_pci_init(void) +{ + if ((iop3xx_get_init_atu() == IOP3XX_INIT_ATU_ENABLE) && + machine_is_iq80331()) + pci_common_init(&iq80331_pci); + + return 0; +} + +subsys_initcall(iq80331_pci_init); + + +/* + * IQ80331 machine initialisation. + */ +static struct physmap_flash_data iq80331_flash_data = { + .width = 1, +}; + +static struct resource iq80331_flash_resource = { + .start = 0xc0000000, + .end = 0xc07fffff, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device iq80331_flash_device = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &iq80331_flash_data, + }, + .num_resources = 1, + .resource = &iq80331_flash_resource, +}; + +static struct resource iq80331_gpio_res[] = { + DEFINE_RES_MEM((IOP3XX_PERIPHERAL_PHYS_BASE + 0x1780), 0x10), +}; + +static void __init iq80331_init_machine(void) +{ + platform_device_register_simple("gpio-iop", 0, + iq80331_gpio_res, + ARRAY_SIZE(iq80331_gpio_res)); + platform_device_register(&iop3xx_i2c0_device); + platform_device_register(&iop3xx_i2c1_device); + platform_device_register(&iop33x_uart0_device); + platform_device_register(&iop33x_uart1_device); + platform_device_register(&iq80331_flash_device); + platform_device_register(&iop3xx_dma_0_channel); + platform_device_register(&iop3xx_dma_1_channel); + platform_device_register(&iop3xx_aau_channel); +} + +MACHINE_START(IQ80331, "Intel IQ80331") + /* Maintainer: Intel Corp. */ + .atag_offset = 0x100, + .map_io = iop3xx_map_io, + .init_irq = iop33x_init_irq, + .init_time = iq80331_timer_init, + .init_machine = iq80331_init_machine, + .restart = iop3xx_restart, +MACHINE_END |