2 * linux/arch/ppc/kernel/bpa_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 BPA 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/pgtable.h>
39 #include <asm/pci-bridge.h>
40 #include <asm/iommu.h>
42 #include <asm/machdep.h>
44 #include <asm/nvram.h>
45 #include <asm/cputable.h>
49 #include "bpa_iommu.h"
52 #define DBG(fmt...) udbg_printf(fmt)
57 void bpa_get_cpuinfo(struct seq_file *m)
59 struct device_node *root;
60 const char *model = "";
62 root = of_find_node_by_path("/");
64 model = get_property(root, "model", NULL);
65 seq_printf(m, "machine\t\t: BPA %s\n", model);
69 static void bpa_progress(char *s, unsigned short hex)
71 printk("*** %04x : %s\n", hex, s ? s : "");
74 static void __init bpa_setup_arch(void)
76 ppc_md.init_IRQ = iic_init_IRQ;
77 ppc_md.get_irq = iic_get_irq;
83 /* init to some ~sane value until calibrate_delay() runs */
84 loops_per_jiffy = 50000000;
87 printk("No ramdisk, default root is /dev/hda2\n");
91 /* Find and initialize PCI host bridges */
92 init_pci_config_tokens();
95 #ifdef CONFIG_DUMMY_CONSOLE
96 conswitchp = &dummy_con;
103 * Early initialization. Relocation is on but do not reference unbolted pages
105 static void __init bpa_init_early(void)
107 DBG(" -> bpa_init_early()\n");
113 ppc64_interrupt_controller = IC_BPA_IIC;
115 DBG(" <- bpa_init_early()\n");
119 static int __init bpa_probe(int platform)
121 if (platform != PLATFORM_BPA)
127 struct machdep_calls __initdata bpa_md = {
129 .setup_arch = bpa_setup_arch,
130 .init_early = bpa_init_early,
131 .get_cpuinfo = bpa_get_cpuinfo,
132 .restart = rtas_restart,
133 .power_off = rtas_power_off,
135 .get_boot_time = rtas_get_boot_time,
136 .get_rtc_time = rtas_get_rtc_time,
137 .set_rtc_time = rtas_set_rtc_time,
138 .calibrate_decr = generic_calibrate_decr,
139 .progress = bpa_progress,