4 * (C) Copyright 2006-2007 TOSHIBA CORPORATION
6 * This code is based on arch/powerpc/platforms/cell/setup.c:
7 * Copyright (C) 1995 Linus Torvalds
8 * Adapted from 'alpha' version by Gary Thomas
9 * Modified by Cort Dougan (cort@cs.nmt.edu)
10 * Modified by PPC64 Team, IBM Corp
11 * Modified by Cell Team, IBM Deutschland Entwicklung GmbH
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License along
24 * with this program; if not, write to the Free Software Foundation, Inc.,
25 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
30 #include <linux/cpu.h>
31 #include <linux/sched.h>
32 #include <linux/kernel.h>
34 #include <linux/stddef.h>
35 #include <linux/unistd.h>
36 #include <linux/reboot.h>
37 #include <linux/init.h>
38 #include <linux/delay.h>
39 #include <linux/irq.h>
40 #include <linux/seq_file.h>
41 #include <linux/root_dev.h>
42 #include <linux/console.h>
43 #include <linux/of_platform.h>
46 #include <asm/processor.h>
48 #include <asm/kexec.h>
50 #include <asm/machdep.h>
51 #include <asm/cputable.h>
54 #include <asm/spu_priv1.h>
55 #include <asm/firmware.h>
57 #include <asm/cell-regs.h>
59 #include "interrupt.h"
60 #include "beat_wrapper.h"
63 #include "../cell/interrupt.h"
64 #include "../cell/pervasive.h"
65 #include "../cell/ras.h"
67 static char celleb_machine_type[128] = "Celleb";
69 static void celleb_show_cpuinfo(struct seq_file *m)
71 struct device_node *root;
72 const char *model = "";
74 root = of_find_node_by_path("/");
76 model = of_get_property(root, "model", NULL);
77 /* using "CHRP" is to trick anaconda into installing FCx into Celleb */
78 seq_printf(m, "machine\t\t: %s %s\n", celleb_machine_type, model);
82 static int __init celleb_machine_type_hack(char *ptr)
84 strncpy(celleb_machine_type, ptr, sizeof(celleb_machine_type));
85 celleb_machine_type[sizeof(celleb_machine_type)-1] = 0;
89 __setup("celleb_machine_type_hack=", celleb_machine_type_hack);
91 static void celleb_progress(char *s, unsigned short hex)
93 printk("*** %04x : %s\n", hex, s ? s : "");
96 static void __init celleb_setup_arch_common(void)
98 /* init to some ~sane value until calibrate_delay() runs */
99 loops_per_jiffy = 50000000;
101 #ifdef CONFIG_DUMMY_CONSOLE
102 conswitchp = &dummy_con;
106 static struct of_device_id celleb_bus_ids[] __initdata = {
108 { .type = "ioif", }, /* old style */
112 static int __init celleb_publish_devices(void)
114 if (!machine_is(celleb_beat) &&
115 !machine_is(celleb_native))
118 /* Publish OF platform devices for southbridge IOs */
119 of_platform_bus_probe(NULL, celleb_bus_ids, NULL);
121 celleb_pci_workaround_init();
125 device_initcall(celleb_publish_devices);
129 * functions for Celleb-Beat
131 static void __init celleb_setup_arch_beat(void)
133 #ifdef CONFIG_SPU_BASE
134 spu_priv1_ops = &spu_priv1_beat_ops;
135 spu_management_ops = &spu_management_of_ops;
142 celleb_setup_arch_common();
145 static int __init celleb_probe_beat(void)
147 unsigned long root = of_get_flat_dt_root();
149 if (!of_flat_dt_is_compatible(root, "Beat"))
152 powerpc_firmware_features |= FW_FEATURE_CELLEB_ALWAYS
153 | FW_FEATURE_BEAT | FW_FEATURE_LPAR;
161 * functions for Celleb-native
163 static void __init celleb_init_IRQ_native(void)
169 static void __init celleb_setup_arch_native(void)
171 #ifdef CONFIG_SPU_BASE
172 spu_priv1_ops = &spu_priv1_mmio_ops;
173 spu_management_ops = &spu_management_of_ops;
178 #ifdef CONFIG_CBE_RAS
186 cbe_pervasive_init();
188 /* XXX: nvram initialization should be added */
190 celleb_setup_arch_common();
193 static int __init celleb_probe_native(void)
195 unsigned long root = of_get_flat_dt_root();
197 if (of_flat_dt_is_compatible(root, "Beat") ||
198 !of_flat_dt_is_compatible(root, "TOSHIBA,Celleb"))
201 powerpc_firmware_features |= FW_FEATURE_CELLEB_ALWAYS;
209 * machine definitions
211 define_machine(celleb_beat) {
212 .name = "Cell Reference Set (Beat)",
213 .probe = celleb_probe_beat,
214 .setup_arch = celleb_setup_arch_beat,
215 .show_cpuinfo = celleb_show_cpuinfo,
216 .restart = beat_restart,
217 .power_off = beat_power_off,
219 .get_rtc_time = beat_get_rtc_time,
220 .set_rtc_time = beat_set_rtc_time,
221 .calibrate_decr = generic_calibrate_decr,
222 .progress = celleb_progress,
223 .power_save = beat_power_save,
224 .nvram_size = beat_nvram_get_size,
225 .nvram_read = beat_nvram_read,
226 .nvram_write = beat_nvram_write,
227 .set_dabr = beat_set_xdabr,
228 .init_IRQ = beatic_init_IRQ,
229 .get_irq = beatic_get_irq,
230 .pci_probe_mode = celleb_pci_probe_mode,
231 .pci_setup_phb = celleb_setup_phb,
233 .kexec_cpu_down = beat_kexec_cpu_down,
234 .machine_kexec = default_machine_kexec,
235 .machine_kexec_prepare = default_machine_kexec_prepare,
236 .machine_crash_shutdown = default_machine_crash_shutdown,
240 define_machine(celleb_native) {
241 .name = "Cell Reference Set (native)",
242 .probe = celleb_probe_native,
243 .setup_arch = celleb_setup_arch_native,
244 .show_cpuinfo = celleb_show_cpuinfo,
245 .restart = rtas_restart,
246 .power_off = rtas_power_off,
248 .get_boot_time = rtas_get_boot_time,
249 .get_rtc_time = rtas_get_rtc_time,
250 .set_rtc_time = rtas_set_rtc_time,
251 .calibrate_decr = generic_calibrate_decr,
252 .progress = celleb_progress,
253 .pci_probe_mode = celleb_pci_probe_mode,
254 .pci_setup_phb = celleb_setup_phb,
255 .init_IRQ = celleb_init_IRQ_native,
257 .machine_kexec = default_machine_kexec,
258 .machine_kexec_prepare = default_machine_kexec_prepare,
259 .machine_crash_shutdown = default_machine_crash_shutdown,