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>
27 #include <linux/bootmem.h>
29 #include <asm/machdep.h>
30 #include <asm/firmware.h>
32 #include <asm/iommu.h>
35 #include <asm/lv1call.h>
40 #define DBG udbg_printf
45 #if !defined(CONFIG_SMP)
46 static void smp_send_stop(void) {}
49 static union ps3_firmware_version ps3_firmware_version;
51 void ps3_get_firmware_version(union ps3_firmware_version *v)
53 *v = ps3_firmware_version;
55 EXPORT_SYMBOL_GPL(ps3_get_firmware_version);
57 int ps3_compare_firmware_version(u16 major, u16 minor, u16 rev)
59 union ps3_firmware_version x;
66 return (ps3_firmware_version.raw - x.raw);
68 EXPORT_SYMBOL_GPL(ps3_compare_firmware_version);
70 static void ps3_power_save(void)
73 * lv1_pause() puts the PPE thread into inactive state until an
74 * irq on an unmasked plug exists. MSR[EE] has no effect.
75 * flags: 0 = wake on DEC interrupt, 1 = ignore DEC interrupt.
81 static void ps3_restart(char *cmd)
83 DBG("%s:%d cmd '%s'\n", __func__, __LINE__, cmd);
86 ps3_sys_manager_restart(); /* never returns */
89 static void ps3_power_off(void)
91 DBG("%s:%d\n", __func__, __LINE__);
94 ps3_sys_manager_power_off(); /* never returns */
97 static void ps3_panic(char *str)
99 DBG("%s:%d %s\n", __func__, __LINE__, str);
103 printk(" System does not reboot automatically.\n");
104 printk(" Please press POWER button.\n");
110 #if defined(CONFIG_FB_PS3) || defined(CONFIG_FB_PS3_MODULE)
111 static void prealloc(struct ps3_prealloc *p)
116 p->address = __alloc_bootmem(p->size, p->align, __pa(MAX_DMA_ADDRESS));
118 printk(KERN_ERR "%s: Cannot allocate %s\n", __FUNCTION__,
123 printk(KERN_INFO "%s: %lu bytes at %p\n", p->name, p->size,
127 struct ps3_prealloc ps3fb_videomemory = {
128 .name = "ps3fb videomemory",
129 .size = CONFIG_FB_PS3_DEFAULT_SIZE_M*1024*1024,
130 .align = 1024*1024 /* the GPU requires 1 MiB alignment */
132 EXPORT_SYMBOL_GPL(ps3fb_videomemory);
133 #define prealloc_ps3fb_videomemory() prealloc(&ps3fb_videomemory)
135 static int __init early_parse_ps3fb(char *p)
140 ps3fb_videomemory.size = _ALIGN_UP(memparse(p, &p),
141 ps3fb_videomemory.align);
144 early_param("ps3fb", early_parse_ps3fb);
146 #define prealloc_ps3fb_videomemory() do { } while (0)
149 static int ps3_set_dabr(u64 dabr)
151 enum {DABR_USER = 1, DABR_KERNEL = 2,};
153 return lv1_set_dabr(dabr, DABR_KERNEL | DABR_USER) ? -1 : 0;
156 static void __init ps3_setup_arch(void)
159 DBG(" -> %s:%d\n", __func__, __LINE__);
161 lv1_get_version_info(&ps3_firmware_version.raw);
162 printk(KERN_INFO "PS3 firmware version %u.%u.%u\n",
163 ps3_firmware_version.major, ps3_firmware_version.minor,
164 ps3_firmware_version.rev);
166 ps3_spu_set_platform();
173 #ifdef CONFIG_DUMMY_CONSOLE
174 conswitchp = &dummy_con;
177 prealloc_ps3fb_videomemory();
178 ppc_md.power_save = ps3_power_save;
180 DBG(" <- %s:%d\n", __func__, __LINE__);
183 static void __init ps3_progress(char *s, unsigned short hex)
185 printk("*** %04x : %s\n", hex, s ? s : "");
188 static int __init ps3_probe(void)
190 unsigned long htab_size;
191 unsigned long dt_root;
193 DBG(" -> %s:%d\n", __func__, __LINE__);
195 dt_root = of_get_flat_dt_root();
196 if (!of_flat_dt_is_compatible(dt_root, "sony,ps3"))
199 powerpc_firmware_features |= FW_FEATURE_PS3_POSSIBLE;
203 ps3_mm_vas_create(&htab_size);
204 ps3_hpte_init(htab_size);
206 DBG(" <- %s:%d\n", __func__, __LINE__);
210 #if defined(CONFIG_KEXEC)
211 static void ps3_kexec_cpu_down(int crash_shutdown, int secondary)
213 int cpu = smp_processor_id();
215 DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu);
217 ps3_smp_cleanup_cpu(cpu);
218 ps3_shutdown_IRQ(cpu);
220 DBG(" <- %s:%d\n", __func__, __LINE__);
224 define_machine(ps3) {
227 .setup_arch = ps3_setup_arch,
228 .init_IRQ = ps3_init_IRQ,
230 .get_boot_time = ps3_get_boot_time,
231 .set_rtc_time = ps3_set_rtc_time,
232 .get_rtc_time = ps3_get_rtc_time,
233 .set_dabr = ps3_set_dabr,
234 .calibrate_decr = ps3_calibrate_decr,
235 .progress = ps3_progress,
236 .restart = ps3_restart,
237 .power_off = ps3_power_off,
238 #if defined(CONFIG_KEXEC)
239 .kexec_cpu_down = ps3_kexec_cpu_down,
240 .machine_kexec = default_machine_kexec,
241 .machine_kexec_prepare = default_machine_kexec_prepare,
242 .machine_crash_shutdown = default_machine_crash_shutdown,