diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-07-18 22:00:54 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-18 22:00:54 +0200 |
commit | bb2c018b09b681d43f5e08124b83e362647ea82b (patch) | |
tree | d794902c78f9fdd04ed88a4b8d451ed6f9292ec0 /arch/powerpc/platforms/85xx/mpc8536_ds.c | |
parent | 82638844d9a8581bbf33201cc209a14876eca167 (diff) | |
parent | 5b664cb235e97afbf34db9c4d77f08ebd725335e (diff) |
Merge branch 'linus' into cpus4096
Conflicts:
drivers/acpi/processor_throttling.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/powerpc/platforms/85xx/mpc8536_ds.c')
-rw-r--r-- | arch/powerpc/platforms/85xx/mpc8536_ds.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/85xx/mpc8536_ds.c b/arch/powerpc/platforms/85xx/mpc8536_ds.c new file mode 100644 index 00000000000..6b846aa1ced --- /dev/null +++ b/arch/powerpc/platforms/85xx/mpc8536_ds.c @@ -0,0 +1,125 @@ +/* + * MPC8536 DS Board Setup + * + * Copyright 2008 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/kdev_t.h> +#include <linux/delay.h> +#include <linux/seq_file.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 mpc8536_ds_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, + 0, 256, " OpenPIC "); + BUG_ON(mpic == NULL); + of_node_put(np); + + mpic_init(mpic); +} + +/* + * Setup the architecture + */ +static void __init mpc8536_ds_setup_arch(void) +{ +#ifdef CONFIG_PCI + struct device_node *np; +#endif + + if (ppc_md.progress) + ppc_md.progress("mpc8536_ds_setup_arch()", 0); + +#ifdef CONFIG_PCI + for_each_node_by_type(np, "pci") { + if (of_device_is_compatible(np, "fsl,mpc8540-pci") || + of_device_is_compatible(np, "fsl,mpc8548-pcie")) { + struct resource rsrc; + of_address_to_resource(np, 0, &rsrc); + if ((rsrc.start & 0xfffff) == 0x8000) + fsl_add_bridge(np, 1); + else + fsl_add_bridge(np, 0); + } + } + +#endif + + printk("MPC8536 DS board from Freescale Semiconductor\n"); +} + +static struct of_device_id __initdata mpc8536_ds_ids[] = { + { .type = "soc", }, + { .compatible = "soc", }, + {}, +}; + +static int __init mpc8536_ds_publish_devices(void) +{ + return of_platform_bus_probe(NULL, mpc8536_ds_ids, NULL); +} +machine_device_initcall(mpc8536_ds, mpc8536_ds_publish_devices); + +/* + * Called very early, device-tree isn't unflattened + */ +static int __init mpc8536_ds_probe(void) +{ + unsigned long root = of_get_flat_dt_root(); + + return of_flat_dt_is_compatible(root, "fsl,mpc8536ds"); +} + +define_machine(mpc8536_ds) { + .name = "MPC8536 DS", + .probe = mpc8536_ds_probe, + .setup_arch = mpc8536_ds_setup_arch, + .init_IRQ = mpc8536_ds_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, +}; |