diff options
Diffstat (limited to 'kernel/arch/arm/mach-iop13xx/iq81340sc.c')
| -rw-r--r-- | kernel/arch/arm/mach-iop13xx/iq81340sc.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-iop13xx/iq81340sc.c b/kernel/arch/arm/mach-iop13xx/iq81340sc.c new file mode 100644 index 000000000..b3ec11cb7 --- /dev/null +++ b/kernel/arch/arm/mach-iop13xx/iq81340sc.c @@ -0,0 +1,99 @@ +/* + * iq81340sc board support + * Copyright (c) 2005-2006, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place - Suite 330, Boston, MA 02111-1307 USA. + * + */ +#include <linux/pci.h> + +#include <mach/hardware.h> +#include <asm/irq.h> +#include <asm/mach/pci.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <mach/pci.h> +#include <asm/mach/time.h> +#include <mach/time.h> + +extern int init_atu; + +static int __init +iq81340sc_atux_map_irq(const struct pci_dev *dev, u8 idsel, u8 pin) +{ + WARN_ON(idsel < 1 || idsel > 2); + + switch (idsel) { + case 1: + switch (pin) { + case 1: return ATUX_INTB; + case 2: return ATUX_INTC; + case 3: return ATUX_INTD; + case 4: return ATUX_INTA; + default: return -1; + } + case 2: + switch (pin) { + case 1: return ATUX_INTC; + case 2: return ATUX_INTC; + case 3: return ATUX_INTC; + case 4: return ATUX_INTC; + default: return -1; + } + default: return -1; + } +} + +static struct hw_pci iq81340sc_pci __initdata = { + .nr_controllers = 0, + .setup = iop13xx_pci_setup, + .scan = iop13xx_scan_bus, + .map_irq = iq81340sc_atux_map_irq, + .preinit = iop13xx_pci_init +}; + +static int __init iq81340sc_pci_init(void) +{ + iop13xx_atu_select(&iq81340sc_pci); + pci_common_init(&iq81340sc_pci); + iop13xx_map_pci_memory(); + + return 0; +} + +static void __init iq81340sc_init(void) +{ + iop13xx_platform_init(); + iq81340sc_pci_init(); + iop13xx_add_tpmi_devices(); +} + +static void __init iq81340sc_timer_init(void) +{ + unsigned long bus_freq = iop13xx_core_freq() / iop13xx_xsi_bus_ratio(); + printk(KERN_DEBUG "%s: bus frequency: %lu\n", __func__, bus_freq); + iop_init_time(bus_freq); +} + +MACHINE_START(IQ81340SC, "Intel IQ81340SC") + /* Maintainer: Dan Williams <dan.j.williams@intel.com> */ + .atag_offset = 0x100, + .init_early = iop13xx_init_early, + .map_io = iop13xx_map_io, + .init_irq = iop13xx_init_irq, + .init_time = iq81340sc_timer_init, + .init_machine = iq81340sc_init, + .restart = iop13xx_restart, + .nr_irqs = NR_IOP13XX_IRQS, +MACHINE_END |