| /* |
| * linux/arch/powerpc/platforms/cell/cell_setup.c |
| * |
| * Copyright (C) 1995 Linus Torvalds |
| * Adapted from 'alpha' version by Gary Thomas |
| * Modified by Cort Dougan (cort@cs.nmt.edu) |
| * Modified by PPC64 Team, IBM Corp |
| * Modified by Cell Team, IBM Deutschland Entwicklung GmbH |
| * |
| * 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. |
| */ |
| #undef DEBUG |
| |
| #include <linux/sched.h> |
| #include <linux/kernel.h> |
| #include <linux/mm.h> |
| #include <linux/stddef.h> |
| #include <linux/unistd.h> |
| #include <linux/slab.h> |
| #include <linux/user.h> |
| #include <linux/reboot.h> |
| #include <linux/init.h> |
| #include <linux/delay.h> |
| #include <linux/irq.h> |
| #include <linux/seq_file.h> |
| #include <linux/root_dev.h> |
| #include <linux/console.h> |
| #include <linux/mutex.h> |
| #include <linux/memory_hotplug.h> |
| |
| #include <asm/mmu.h> |
| #include <asm/processor.h> |
| #include <asm/io.h> |
| #include <asm/kexec.h> |
| #include <asm/pgtable.h> |
| #include <asm/prom.h> |
| #include <asm/rtas.h> |
| #include <asm/pci-bridge.h> |
| #include <asm/iommu.h> |
| #include <asm/dma.h> |
| #include <asm/machdep.h> |
| #include <asm/time.h> |
| #include <asm/nvram.h> |
| #include <asm/cputable.h> |
| #include <asm/ppc-pci.h> |
| #include <asm/irq.h> |
| #include <asm/spu.h> |
| #include <asm/spu_priv1.h> |
| |
| #include "interrupt.h" |
| #include "iommu.h" |
| #include "cbe_regs.h" |
| #include "pervasive.h" |
| #include "ras.h" |
| |
| #ifdef DEBUG |
| #define DBG(fmt...) udbg_printf(fmt) |
| #else |
| #define DBG(fmt...) |
| #endif |
| |
| static void cell_show_cpuinfo(struct seq_file *m) |
| { |
| struct device_node *root; |
| const char *model = ""; |
| |
| root = of_find_node_by_path("/"); |
| if (root) |
| model = get_property(root, "model", NULL); |
| seq_printf(m, "machine\t\t: CHRP %s\n", model); |
| of_node_put(root); |
| } |
| |
| static void cell_progress(char *s, unsigned short hex) |
| { |
| printk("*** %04x : %s\n", hex, s ? s : ""); |
| } |
| |
| static void __init cell_setup_arch(void) |
| { |
| ppc_md.init_IRQ = iic_init_IRQ; |
| ppc_md.get_irq = iic_get_irq; |
| #ifdef CONFIG_SPU_BASE |
| spu_priv1_ops = &spu_priv1_mmio_ops; |
| #endif |
| |
| cbe_regs_init(); |
| |
| #ifdef CONFIG_CBE_RAS |
| cbe_ras_init(); |
| #endif |
| |
| #ifdef CONFIG_SMP |
| smp_init_cell(); |
| #endif |
| |
| /* init to some ~sane value until calibrate_delay() runs */ |
| loops_per_jiffy = 50000000; |
| |
| if (ROOT_DEV == 0) { |
| printk("No ramdisk, default root is /dev/hda2\n"); |
| ROOT_DEV = Root_HDA2; |
| } |
| |
| /* Find and initialize PCI host bridges */ |
| init_pci_config_tokens(); |
| find_and_init_phbs(); |
| spider_init_IRQ(); |
| cbe_pervasive_init(); |
| #ifdef CONFIG_DUMMY_CONSOLE |
| conswitchp = &dummy_con; |
| #endif |
| |
| mmio_nvram_init(); |
| } |
| |
| /* |
| * Early initialization. Relocation is on but do not reference unbolted pages |
| */ |
| static void __init cell_init_early(void) |
| { |
| DBG(" -> cell_init_early()\n"); |
| |
| cell_init_iommu(); |
| |
| ppc64_interrupt_controller = IC_CELL_PIC; |
| |
| DBG(" <- cell_init_early()\n"); |
| } |
| |
| |
| static int __init cell_probe(void) |
| { |
| unsigned long root = of_get_flat_dt_root(); |
| |
| if (!of_flat_dt_is_compatible(root, "IBM,CBEA") && |
| !of_flat_dt_is_compatible(root, "IBM,CPBW-1.0")) |
| return 0; |
| |
| #ifdef CONFIG_UDBG_RTAS_CONSOLE |
| udbg_init_rtas_console(); |
| #endif |
| |
| hpte_init_native(); |
| |
| return 1; |
| } |
| |
| /* |
| * Cell has no legacy IO; anything calling this function has to |
| * fail or bad things will happen |
| */ |
| static int cell_check_legacy_ioport(unsigned int baseport) |
| { |
| return -ENODEV; |
| } |
| |
| define_machine(cell) { |
| .name = "Cell", |
| .probe = cell_probe, |
| .setup_arch = cell_setup_arch, |
| .init_early = cell_init_early, |
| .show_cpuinfo = cell_show_cpuinfo, |
| .restart = rtas_restart, |
| .power_off = rtas_power_off, |
| .halt = rtas_halt, |
| .get_boot_time = rtas_get_boot_time, |
| .get_rtc_time = rtas_get_rtc_time, |
| .set_rtc_time = rtas_set_rtc_time, |
| .calibrate_decr = generic_calibrate_decr, |
| .check_legacy_ioport = cell_check_legacy_ioport, |
| .progress = cell_progress, |
| #ifdef CONFIG_KEXEC |
| .machine_kexec = default_machine_kexec, |
| .machine_kexec_prepare = default_machine_kexec_prepare, |
| .machine_crash_shutdown = default_machine_crash_shutdown, |
| #endif |
| }; |