Geoff Levand | f58a9d1 | 2006-11-23 00:46:51 +0100 | [diff] [blame] | 1 | /* |
| 2 | * PS3 platform setup routines. |
| 3 | * |
| 4 | * Copyright (C) 2006 Sony Computer Entertainment Inc. |
| 5 | * Copyright 2006 Sony Corp. |
| 6 | * |
| 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. |
| 10 | * |
| 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. |
| 15 | * |
| 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 |
| 19 | */ |
| 20 | |
| 21 | #include <linux/kernel.h> |
| 22 | #include <linux/delay.h> |
| 23 | #include <linux/fs.h> |
| 24 | #include <linux/root_dev.h> |
| 25 | #include <linux/console.h> |
| 26 | #include <linux/kexec.h> |
Geert Uytterhoeven | fbdb3e5b | 2007-02-12 00:55:22 -0800 | [diff] [blame] | 27 | #include <linux/bootmem.h> |
Geoff Levand | f58a9d1 | 2006-11-23 00:46:51 +0100 | [diff] [blame] | 28 | |
| 29 | #include <asm/machdep.h> |
| 30 | #include <asm/firmware.h> |
| 31 | #include <asm/time.h> |
| 32 | #include <asm/iommu.h> |
| 33 | #include <asm/udbg.h> |
| 34 | #include <asm/prom.h> |
| 35 | #include <asm/lv1call.h> |
| 36 | |
| 37 | #include "platform.h" |
| 38 | |
| 39 | #if defined(DEBUG) |
| 40 | #define DBG(fmt...) udbg_printf(fmt) |
| 41 | #else |
| 42 | #define DBG(fmt...) do{if(0)printk(fmt);}while(0) |
| 43 | #endif |
| 44 | |
Geoff Levand | fde5efd | 2007-02-07 12:20:01 -0800 | [diff] [blame] | 45 | #if !defined(CONFIG_SMP) |
| 46 | static void smp_send_stop(void) {} |
| 47 | #endif |
| 48 | |
Masakazu Mokuno | 1322810 | 2007-06-16 07:18:48 +1000 | [diff] [blame^] | 49 | static union ps3_firmware_version ps3_firmware_version; |
| 50 | |
| 51 | void ps3_get_firmware_version(union ps3_firmware_version *v) |
Geoff Levand | 66b4495 | 2007-01-26 19:08:21 -0800 | [diff] [blame] | 52 | { |
Masakazu Mokuno | 1322810 | 2007-06-16 07:18:48 +1000 | [diff] [blame^] | 53 | *v = ps3_firmware_version; |
Geoff Levand | 66b4495 | 2007-01-26 19:08:21 -0800 | [diff] [blame] | 54 | } |
| 55 | EXPORT_SYMBOL_GPL(ps3_get_firmware_version); |
| 56 | |
Masakazu Mokuno | 1322810 | 2007-06-16 07:18:48 +1000 | [diff] [blame^] | 57 | int ps3_compare_firmware_version(u16 major, u16 minor, u16 rev) |
| 58 | { |
| 59 | union ps3_firmware_version x; |
| 60 | |
| 61 | x.pad = 0; |
| 62 | x.major = major; |
| 63 | x.minor = minor; |
| 64 | x.rev = rev; |
| 65 | |
| 66 | return (ps3_firmware_version.raw - x.raw); |
| 67 | } |
| 68 | EXPORT_SYMBOL_GPL(ps3_compare_firmware_version); |
| 69 | |
Geoff Levand | f58a9d1 | 2006-11-23 00:46:51 +0100 | [diff] [blame] | 70 | static void ps3_power_save(void) |
| 71 | { |
| 72 | /* |
| 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. |
| 76 | */ |
| 77 | |
| 78 | lv1_pause(0); |
| 79 | } |
| 80 | |
Geoff Levand | fde5efd | 2007-02-07 12:20:01 -0800 | [diff] [blame] | 81 | static void ps3_restart(char *cmd) |
| 82 | { |
| 83 | DBG("%s:%d cmd '%s'\n", __func__, __LINE__, cmd); |
| 84 | |
| 85 | smp_send_stop(); |
| 86 | ps3_sys_manager_restart(); /* never returns */ |
| 87 | } |
| 88 | |
| 89 | static void ps3_power_off(void) |
| 90 | { |
| 91 | DBG("%s:%d\n", __func__, __LINE__); |
| 92 | |
| 93 | smp_send_stop(); |
| 94 | ps3_sys_manager_power_off(); /* never returns */ |
| 95 | } |
| 96 | |
Geoff Levand | f58a9d1 | 2006-11-23 00:46:51 +0100 | [diff] [blame] | 97 | static void ps3_panic(char *str) |
| 98 | { |
| 99 | DBG("%s:%d %s\n", __func__, __LINE__, str); |
| 100 | |
Geoff Levand | f58a9d1 | 2006-11-23 00:46:51 +0100 | [diff] [blame] | 101 | smp_send_stop(); |
Geoff Levand | f58a9d1 | 2006-11-23 00:46:51 +0100 | [diff] [blame] | 102 | printk("\n"); |
| 103 | printk(" System does not reboot automatically.\n"); |
| 104 | printk(" Please press POWER button.\n"); |
| 105 | printk("\n"); |
| 106 | |
Geoff Levand | fde5efd | 2007-02-07 12:20:01 -0800 | [diff] [blame] | 107 | while(1); |
Geoff Levand | f58a9d1 | 2006-11-23 00:46:51 +0100 | [diff] [blame] | 108 | } |
| 109 | |
Stephen Rothwell | 435e0b2 | 2007-05-11 15:42:44 +1000 | [diff] [blame] | 110 | #ifdef CONFIG_FB_PS3 |
Geert Uytterhoeven | fbdb3e5b | 2007-02-12 00:55:22 -0800 | [diff] [blame] | 111 | static void prealloc(struct ps3_prealloc *p) |
| 112 | { |
| 113 | if (!p->size) |
| 114 | return; |
| 115 | |
| 116 | p->address = __alloc_bootmem(p->size, p->align, __pa(MAX_DMA_ADDRESS)); |
| 117 | if (!p->address) { |
| 118 | printk(KERN_ERR "%s: Cannot allocate %s\n", __FUNCTION__, |
| 119 | p->name); |
| 120 | return; |
| 121 | } |
| 122 | |
| 123 | printk(KERN_INFO "%s: %lu bytes at %p\n", p->name, p->size, |
| 124 | p->address); |
| 125 | } |
| 126 | |
Geert Uytterhoeven | fbdb3e5b | 2007-02-12 00:55:22 -0800 | [diff] [blame] | 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 */ |
| 131 | }; |
| 132 | #define prealloc_ps3fb_videomemory() prealloc(&ps3fb_videomemory) |
| 133 | |
| 134 | static int __init early_parse_ps3fb(char *p) |
| 135 | { |
| 136 | if (!p) |
| 137 | return 1; |
| 138 | |
| 139 | ps3fb_videomemory.size = _ALIGN_UP(memparse(p, &p), |
| 140 | ps3fb_videomemory.align); |
| 141 | return 0; |
| 142 | } |
| 143 | early_param("ps3fb", early_parse_ps3fb); |
| 144 | #else |
| 145 | #define prealloc_ps3fb_videomemory() do { } while (0) |
| 146 | #endif |
| 147 | |
Geoff Levand | f0a1d02 | 2007-05-01 07:00:50 +1000 | [diff] [blame] | 148 | static int ps3_set_dabr(u64 dabr) |
| 149 | { |
| 150 | enum {DABR_USER = 1, DABR_KERNEL = 2,}; |
| 151 | |
| 152 | return lv1_set_dabr(dabr, DABR_KERNEL | DABR_USER) ? -1 : 0; |
| 153 | } |
Geert Uytterhoeven | fbdb3e5b | 2007-02-12 00:55:22 -0800 | [diff] [blame] | 154 | |
Geoff Levand | f58a9d1 | 2006-11-23 00:46:51 +0100 | [diff] [blame] | 155 | static void __init ps3_setup_arch(void) |
| 156 | { |
Geoff Levand | 66b4495 | 2007-01-26 19:08:21 -0800 | [diff] [blame] | 157 | |
Geoff Levand | f58a9d1 | 2006-11-23 00:46:51 +0100 | [diff] [blame] | 158 | DBG(" -> %s:%d\n", __func__, __LINE__); |
| 159 | |
Masakazu Mokuno | 1322810 | 2007-06-16 07:18:48 +1000 | [diff] [blame^] | 160 | lv1_get_version_info(&ps3_firmware_version.raw); |
| 161 | printk(KERN_INFO "PS3 firmware version %u.%u.%u\n", |
| 162 | ps3_firmware_version.major, ps3_firmware_version.minor, |
| 163 | ps3_firmware_version.rev); |
Geoff Levand | 66b4495 | 2007-01-26 19:08:21 -0800 | [diff] [blame] | 164 | |
Geoff Levand | f58a9d1 | 2006-11-23 00:46:51 +0100 | [diff] [blame] | 165 | ps3_spu_set_platform(); |
| 166 | ps3_map_htab(); |
| 167 | |
| 168 | #ifdef CONFIG_SMP |
| 169 | smp_init_ps3(); |
| 170 | #endif |
| 171 | |
| 172 | #ifdef CONFIG_DUMMY_CONSOLE |
| 173 | conswitchp = &dummy_con; |
| 174 | #endif |
| 175 | |
Geert Uytterhoeven | fbdb3e5b | 2007-02-12 00:55:22 -0800 | [diff] [blame] | 176 | prealloc_ps3fb_videomemory(); |
Geoff Levand | f58a9d1 | 2006-11-23 00:46:51 +0100 | [diff] [blame] | 177 | ppc_md.power_save = ps3_power_save; |
| 178 | |
| 179 | DBG(" <- %s:%d\n", __func__, __LINE__); |
| 180 | } |
| 181 | |
| 182 | static void __init ps3_progress(char *s, unsigned short hex) |
| 183 | { |
| 184 | printk("*** %04x : %s\n", hex, s ? s : ""); |
| 185 | } |
| 186 | |
| 187 | static int __init ps3_probe(void) |
| 188 | { |
| 189 | unsigned long htab_size; |
| 190 | unsigned long dt_root; |
| 191 | |
| 192 | DBG(" -> %s:%d\n", __func__, __LINE__); |
| 193 | |
| 194 | dt_root = of_get_flat_dt_root(); |
| 195 | if (!of_flat_dt_is_compatible(dt_root, "PS3")) |
| 196 | return 0; |
| 197 | |
Arnd Bergmann | e22ba7e | 2006-11-27 19:18:57 +0100 | [diff] [blame] | 198 | powerpc_firmware_features |= FW_FEATURE_PS3_POSSIBLE; |
Geoff Levand | f58a9d1 | 2006-11-23 00:46:51 +0100 | [diff] [blame] | 199 | |
| 200 | ps3_os_area_init(); |
| 201 | ps3_mm_init(); |
| 202 | ps3_mm_vas_create(&htab_size); |
| 203 | ps3_hpte_init(htab_size); |
| 204 | |
| 205 | DBG(" <- %s:%d\n", __func__, __LINE__); |
| 206 | return 1; |
| 207 | } |
| 208 | |
| 209 | #if defined(CONFIG_KEXEC) |
| 210 | static void ps3_kexec_cpu_down(int crash_shutdown, int secondary) |
| 211 | { |
| 212 | DBG(" -> %s:%d\n", __func__, __LINE__); |
| 213 | |
| 214 | if (secondary) { |
| 215 | int cpu; |
| 216 | for_each_online_cpu(cpu) |
| 217 | if (cpu) |
| 218 | ps3_smp_cleanup_cpu(cpu); |
| 219 | } else |
| 220 | ps3_smp_cleanup_cpu(0); |
| 221 | |
| 222 | DBG(" <- %s:%d\n", __func__, __LINE__); |
| 223 | } |
| 224 | |
| 225 | static void ps3_machine_kexec(struct kimage *image) |
| 226 | { |
| 227 | unsigned long ppe_id; |
| 228 | |
| 229 | DBG(" -> %s:%d\n", __func__, __LINE__); |
| 230 | |
| 231 | lv1_get_logical_ppe_id(&ppe_id); |
| 232 | lv1_configure_irq_state_bitmap(ppe_id, 0, 0); |
| 233 | ps3_mm_shutdown(); |
| 234 | ps3_mm_vas_destroy(); |
| 235 | |
| 236 | default_machine_kexec(image); |
| 237 | |
| 238 | DBG(" <- %s:%d\n", __func__, __LINE__); |
| 239 | } |
| 240 | #endif |
| 241 | |
| 242 | define_machine(ps3) { |
| 243 | .name = "PS3", |
| 244 | .probe = ps3_probe, |
| 245 | .setup_arch = ps3_setup_arch, |
Geoff Levand | f58a9d1 | 2006-11-23 00:46:51 +0100 | [diff] [blame] | 246 | .init_IRQ = ps3_init_IRQ, |
| 247 | .panic = ps3_panic, |
| 248 | .get_boot_time = ps3_get_boot_time, |
| 249 | .set_rtc_time = ps3_set_rtc_time, |
| 250 | .get_rtc_time = ps3_get_rtc_time, |
Geoff Levand | f0a1d02 | 2007-05-01 07:00:50 +1000 | [diff] [blame] | 251 | .set_dabr = ps3_set_dabr, |
Geoff Levand | f58a9d1 | 2006-11-23 00:46:51 +0100 | [diff] [blame] | 252 | .calibrate_decr = ps3_calibrate_decr, |
| 253 | .progress = ps3_progress, |
Geoff Levand | fde5efd | 2007-02-07 12:20:01 -0800 | [diff] [blame] | 254 | .restart = ps3_restart, |
| 255 | .power_off = ps3_power_off, |
Geoff Levand | f58a9d1 | 2006-11-23 00:46:51 +0100 | [diff] [blame] | 256 | #if defined(CONFIG_KEXEC) |
| 257 | .kexec_cpu_down = ps3_kexec_cpu_down, |
| 258 | .machine_kexec = ps3_machine_kexec, |
| 259 | .machine_kexec_prepare = default_machine_kexec_prepare, |
| 260 | .machine_crash_shutdown = default_machine_crash_shutdown, |
| 261 | #endif |
| 262 | }; |