2 * linux/arch/powerpc/platforms/cell/cell_setup.c
4 * Copyright (C) 1995 Linus Torvalds
5 * Adapted from 'alpha' version by Gary Thomas
6 * Modified by Cort Dougan (cort@cs.nmt.edu)
7 * Modified by PPC64 Team, IBM Corp
8 * Modified by Cell Team, IBM Deutschland Entwicklung GmbH
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version
13 * 2 of the License, or (at your option) any later version.
17 #include <linux/config.h>
18 #include <linux/sched.h>
19 #include <linux/kernel.h>
21 #include <linux/stddef.h>
22 #include <linux/unistd.h>
23 #include <linux/slab.h>
24 #include <linux/user.h>
25 #include <linux/reboot.h>
26 #include <linux/init.h>
27 #include <linux/delay.h>
28 #include <linux/irq.h>
29 #include <linux/seq_file.h>
30 #include <linux/root_dev.h>
31 #include <linux/console.h>
34 #include <asm/processor.h>
36 #include <asm/kexec.h>
37 #include <asm/pgtable.h>
40 #include <asm/pci-bridge.h>
41 #include <asm/iommu.h>
43 #include <asm/machdep.h>
45 #include <asm/nvram.h>
46 #include <asm/cputable.h>
47 #include <asm/ppc-pci.h>
50 #include "interrupt.h"
54 #define DBG(fmt...) udbg_printf(fmt)
59 void cell_show_cpuinfo(struct seq_file *m)
61 struct device_node *root;
62 const char *model = "";
64 root = of_find_node_by_path("/");
66 model = get_property(root, "model", NULL);
67 seq_printf(m, "machine\t\t: CHRP %s\n", model);
71 static void cell_progress(char *s, unsigned short hex)
73 printk("*** %04x : %s\n", hex, s ? s : "");
76 static void __init cell_setup_arch(void)
78 ppc_md.init_IRQ = iic_init_IRQ;
79 ppc_md.get_irq = iic_get_irq;
85 /* init to some ~sane value until calibrate_delay() runs */
86 loops_per_jiffy = 50000000;
89 printk("No ramdisk, default root is /dev/hda2\n");
93 /* Find and initialize PCI host bridges */
94 init_pci_config_tokens();
97 #ifdef CONFIG_DUMMY_CONSOLE
98 conswitchp = &dummy_con;
105 * Early initialization. Relocation is on but do not reference unbolted pages
107 static void __init cell_init_early(void)
109 DBG(" -> cell_init_early()\n");
115 ppc64_interrupt_controller = IC_CELL_PIC;
117 DBG(" <- cell_init_early()\n");
121 static int __init cell_probe(int platform)
123 if (platform != PLATFORM_CELL)
129 struct machdep_calls __initdata cell_md = {
131 .setup_arch = cell_setup_arch,
132 .init_early = cell_init_early,
133 .show_cpuinfo = cell_show_cpuinfo,
134 .restart = rtas_restart,
135 .power_off = rtas_power_off,
137 .get_boot_time = rtas_get_boot_time,
138 .get_rtc_time = rtas_get_rtc_time,
139 .set_rtc_time = rtas_set_rtc_time,
140 .calibrate_decr = generic_calibrate_decr,
141 .progress = cell_progress,
143 .machine_kexec = default_machine_kexec,
144 .machine_kexec_prepare = default_machine_kexec_prepare,