2 * PS3 platform setup routines.
4 * Copyright (C) 2006 Sony Computer Entertainment Inc.
5 * Copyright 2006 Sony Corp.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 2 of the License.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include <linux/kernel.h>
22 #include <linux/delay.h>
24 #include <linux/root_dev.h>
25 #include <linux/console.h>
26 #include <linux/kexec.h>
28 #include <asm/machdep.h>
29 #include <asm/firmware.h>
31 #include <asm/iommu.h>
34 #include <asm/lv1call.h>
39 #define DBG(fmt...) udbg_printf(fmt)
41 #define DBG(fmt...) do{if(0)printk(fmt);}while(0)
44 static void ps3_power_save(void)
47 * lv1_pause() puts the PPE thread into inactive state until an
48 * irq on an unmasked plug exists. MSR[EE] has no effect.
49 * flags: 0 = wake on DEC interrupt, 1 = ignore DEC interrupt.
55 static void ps3_panic(char *str)
57 DBG("%s:%d %s\n", __func__, __LINE__, str);
63 printk(" System does not reboot automatically.\n");
64 printk(" Please press POWER button.\n");
70 static void __init ps3_setup_arch(void)
72 DBG(" -> %s:%d\n", __func__, __LINE__);
74 ps3_spu_set_platform();
81 #ifdef CONFIG_DUMMY_CONSOLE
82 conswitchp = &dummy_con;
85 ppc_md.power_save = ps3_power_save;
87 DBG(" <- %s:%d\n", __func__, __LINE__);
90 static void __init ps3_progress(char *s, unsigned short hex)
92 printk("*** %04x : %s\n", hex, s ? s : "");
95 static int __init ps3_probe(void)
97 unsigned long htab_size;
98 unsigned long dt_root;
100 DBG(" -> %s:%d\n", __func__, __LINE__);
102 dt_root = of_get_flat_dt_root();
103 if (!of_flat_dt_is_compatible(dt_root, "PS3"))
106 powerpc_firmware_features |= FW_FEATURE_PS3_POSSIBLE;
110 ps3_mm_vas_create(&htab_size);
111 ps3_hpte_init(htab_size);
113 DBG(" <- %s:%d\n", __func__, __LINE__);
117 #if defined(CONFIG_KEXEC)
118 static void ps3_kexec_cpu_down(int crash_shutdown, int secondary)
120 DBG(" -> %s:%d\n", __func__, __LINE__);
124 for_each_online_cpu(cpu)
126 ps3_smp_cleanup_cpu(cpu);
128 ps3_smp_cleanup_cpu(0);
130 DBG(" <- %s:%d\n", __func__, __LINE__);
133 static void ps3_machine_kexec(struct kimage *image)
135 unsigned long ppe_id;
137 DBG(" -> %s:%d\n", __func__, __LINE__);
139 lv1_get_logical_ppe_id(&ppe_id);
140 lv1_configure_irq_state_bitmap(ppe_id, 0, 0);
142 ps3_mm_vas_destroy();
144 default_machine_kexec(image);
146 DBG(" <- %s:%d\n", __func__, __LINE__);
150 define_machine(ps3) {
153 .setup_arch = ps3_setup_arch,
154 .init_IRQ = ps3_init_IRQ,
156 .get_boot_time = ps3_get_boot_time,
157 .set_rtc_time = ps3_set_rtc_time,
158 .get_rtc_time = ps3_get_rtc_time,
159 .calibrate_decr = ps3_calibrate_decr,
160 .progress = ps3_progress,
161 #if defined(CONFIG_KEXEC)
162 .kexec_cpu_down = ps3_kexec_cpu_down,
163 .machine_kexec = ps3_machine_kexec,
164 .machine_kexec_prepare = default_machine_kexec_prepare,
165 .machine_crash_shutdown = default_machine_crash_shutdown,