diff options
Diffstat (limited to 'arch/powerpc/platforms/85xx/p1010rdb.c')
-rw-r--r-- | arch/powerpc/platforms/85xx/p1010rdb.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/85xx/p1010rdb.c b/arch/powerpc/platforms/85xx/p1010rdb.c new file mode 100644 index 0000000..d7387fa --- /dev/null +++ b/arch/powerpc/platforms/85xx/p1010rdb.c @@ -0,0 +1,122 @@ +/* + * P1010RDB Board Setup + * + * Copyright 2011 Freescale Semiconductor Inc. + * + * 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/stddef.h> +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/delay.h> +#include <linux/interrupt.h> +#include <linux/of_platform.h> + +#include <asm/system.h> +#include <asm/time.h> +#include <asm/machdep.h> +#include <asm/pci-bridge.h> +#include <mm/mmu_decl.h> +#include <asm/prom.h> +#include <asm/udbg.h> +#include <asm/mpic.h> + +#include <sysdev/fsl_soc.h> +#include <sysdev/fsl_pci.h> + +void __init p1010_rdb_pic_init(void) +{ + struct mpic *mpic; + struct resource r; + struct device_node *np; + + np = of_find_node_by_type(NULL, "open-pic"); + if (np == NULL) { + printk(KERN_ERR "Could not find open-pic node\n"); + return; + } + + if (of_address_to_resource(np, 0, &r)) { + printk(KERN_ERR "Failed to map mpic register space\n"); + of_node_put(np); + return; + } + + mpic = mpic_alloc(np, r.start, MPIC_PRIMARY | MPIC_WANTS_RESET | + MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU, + 0, 256, " OpenPIC "); + + BUG_ON(mpic == NULL); + of_node_put(np); + + mpic_init(mpic); + +} + + +/* + * Setup the architecture + */ +static void __init p1010_rdb_setup_arch(void) +{ +#ifdef CONFIG_PCI + struct device_node *np; +#endif + + if (ppc_md.progress) + ppc_md.progress("p1010_rdb_setup_arch()", 0); + +#ifdef CONFIG_PCI + for_each_node_by_type(np, "pci") { + if (of_device_is_compatible(np, "fsl,p1010-pcie")) + fsl_add_bridge(np, 0); + } + +#endif + + printk(KERN_INFO "P1010 RDB board from Freescale Semiconductor\n"); +} + +static struct of_device_id __initdata p1010rdb_ids[] = { + { .type = "soc", }, + { .compatible = "soc", }, + { .compatible = "simple-bus", }, + {}, +}; + +static int __init p1010rdb_publish_devices(void) +{ + return of_platform_bus_probe(NULL, p1010rdb_ids, NULL); +} +machine_device_initcall(p1010_rdb, p1010rdb_publish_devices); +machine_arch_initcall(p1010_rdb, swiotlb_setup_bus_notifier); + +/* + * Called very early, device-tree isn't unflattened + */ +static int __init p1010_rdb_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + if (of_flat_dt_is_compatible(root, "fsl,P1010RDB")) + return 1; + return 0; +} + +define_machine(p1010_rdb) { + .name = "P1010 RDB", + .probe = p1010_rdb_probe, + .setup_arch = p1010_rdb_setup_arch, + .init_IRQ = p1010_rdb_pic_init, +#ifdef CONFIG_PCI + .pcibios_fixup_bus = fsl_pcibios_fixup_bus, +#endif + .get_irq = mpic_get_irq, + .restart = fsl_rstcr_restart, + .calibrate_decr = generic_calibrate_decr, + .progress = udbg_progress, +}; |