1217044Snwhitehorn/*- 2217044Snwhitehorn * Copyright (c) 2010 Nathan Whitehorn 3217044Snwhitehorn * All rights reserved. 4217044Snwhitehorn * 5217044Snwhitehorn * Redistribution and use in source and binary forms, with or without 6217044Snwhitehorn * modification, are permitted provided that the following conditions 7217044Snwhitehorn * are met: 8217044Snwhitehorn * 9217044Snwhitehorn * 1. Redistributions of source code must retain the above copyright 10217044Snwhitehorn * notice, this list of conditions and the following disclaimer. 11217044Snwhitehorn * 2. Redistributions in binary form must reproduce the above copyright 12217044Snwhitehorn * notice, this list of conditions and the following disclaimer in the 13217044Snwhitehorn * documentation and/or other materials provided with the distribution. 14217044Snwhitehorn * 15217044Snwhitehorn * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16217044Snwhitehorn * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17217044Snwhitehorn * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18217044Snwhitehorn * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19217044Snwhitehorn * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20217044Snwhitehorn * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21217044Snwhitehorn * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22217044Snwhitehorn * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23217044Snwhitehorn * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24217044Snwhitehorn * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25217044Snwhitehorn */ 26217044Snwhitehorn 27217044Snwhitehorn#include <sys/cdefs.h> 28217044Snwhitehorn__FBSDID("$FreeBSD: releng/11.0/sys/powerpc/ps3/platform_ps3.c 295880 2016-02-22 09:02:20Z skra $"); 29217044Snwhitehorn 30217044Snwhitehorn#include <sys/param.h> 31217044Snwhitehorn#include <sys/systm.h> 32217044Snwhitehorn#include <sys/kernel.h> 33217044Snwhitehorn#include <sys/bus.h> 34217044Snwhitehorn#include <sys/pcpu.h> 35217044Snwhitehorn#include <sys/proc.h> 36217044Snwhitehorn#include <sys/reboot.h> 37217044Snwhitehorn#include <sys/smp.h> 38217044Snwhitehorn 39217044Snwhitehorn#include <vm/vm.h> 40217044Snwhitehorn#include <vm/pmap.h> 41217044Snwhitehorn 42217044Snwhitehorn#include <machine/bus.h> 43217044Snwhitehorn#include <machine/cpu.h> 44217044Snwhitehorn#include <machine/hid.h> 45217044Snwhitehorn#include <machine/platform.h> 46217044Snwhitehorn#include <machine/platformvar.h> 47217044Snwhitehorn#include <machine/smp.h> 48217044Snwhitehorn#include <machine/spr.h> 49217044Snwhitehorn#include <machine/vmparam.h> 50217044Snwhitehorn 51276680Snwhitehorn#include <dev/ofw/openfirm.h> 52276680Snwhitehorn 53217044Snwhitehorn#include "platform_if.h" 54217044Snwhitehorn#include "ps3-hvcall.h" 55217044Snwhitehorn 56217044Snwhitehorn#ifdef SMP 57217044Snwhitehornextern void *ap_pcpu; 58217044Snwhitehorn#endif 59217044Snwhitehorn 60217044Snwhitehornstatic int ps3_probe(platform_t); 61217044Snwhitehornstatic int ps3_attach(platform_t); 62258807Snwhitehornstatic void ps3_mem_regions(platform_t, struct mem_region *phys, int *physsz, 63258807Snwhitehorn struct mem_region *avail, int *availsz); 64217044Snwhitehornstatic vm_offset_t ps3_real_maxaddr(platform_t); 65217044Snwhitehornstatic u_long ps3_timebase_freq(platform_t, struct cpuref *cpuref); 66217044Snwhitehorn#ifdef SMP 67217044Snwhitehornstatic int ps3_smp_first_cpu(platform_t, struct cpuref *cpuref); 68217044Snwhitehornstatic int ps3_smp_next_cpu(platform_t, struct cpuref *cpuref); 69217044Snwhitehornstatic int ps3_smp_get_bsp(platform_t, struct cpuref *cpuref); 70217044Snwhitehornstatic int ps3_smp_start_cpu(platform_t, struct pcpu *cpu); 71217044Snwhitehornstatic struct cpu_group *ps3_smp_topo(platform_t); 72217044Snwhitehorn#endif 73217044Snwhitehornstatic void ps3_reset(platform_t); 74247454Sdavidestatic void ps3_cpu_idle(sbintime_t); 75217044Snwhitehorn 76217044Snwhitehornstatic platform_method_t ps3_methods[] = { 77217044Snwhitehorn PLATFORMMETHOD(platform_probe, ps3_probe), 78217044Snwhitehorn PLATFORMMETHOD(platform_attach, ps3_attach), 79217044Snwhitehorn PLATFORMMETHOD(platform_mem_regions, ps3_mem_regions), 80217044Snwhitehorn PLATFORMMETHOD(platform_real_maxaddr, ps3_real_maxaddr), 81217044Snwhitehorn PLATFORMMETHOD(platform_timebase_freq, ps3_timebase_freq), 82217044Snwhitehorn 83217044Snwhitehorn#ifdef SMP 84217044Snwhitehorn PLATFORMMETHOD(platform_smp_first_cpu, ps3_smp_first_cpu), 85217044Snwhitehorn PLATFORMMETHOD(platform_smp_next_cpu, ps3_smp_next_cpu), 86217044Snwhitehorn PLATFORMMETHOD(platform_smp_get_bsp, ps3_smp_get_bsp), 87217044Snwhitehorn PLATFORMMETHOD(platform_smp_start_cpu, ps3_smp_start_cpu), 88217044Snwhitehorn PLATFORMMETHOD(platform_smp_topo, ps3_smp_topo), 89217044Snwhitehorn#endif 90217044Snwhitehorn 91217044Snwhitehorn PLATFORMMETHOD(platform_reset, ps3_reset), 92217044Snwhitehorn 93246732Srpaulo PLATFORMMETHOD_END 94217044Snwhitehorn}; 95217044Snwhitehorn 96217044Snwhitehornstatic platform_def_t ps3_platform = { 97217044Snwhitehorn "ps3", 98217044Snwhitehorn ps3_methods, 99217044Snwhitehorn 0 100217044Snwhitehorn}; 101217044Snwhitehorn 102217044SnwhitehornPLATFORM_DEF(ps3_platform); 103217044Snwhitehorn 104217044Snwhitehornstatic int 105217044Snwhitehornps3_probe(platform_t plat) 106217044Snwhitehorn{ 107276680Snwhitehorn phandle_t root; 108276680Snwhitehorn char compatible[64]; 109217044Snwhitehorn 110276680Snwhitehorn root = OF_finddevice("/"); 111276680Snwhitehorn if (OF_getprop(root, "compatible", compatible, sizeof(compatible)) <= 0) 112276680Snwhitehorn return (BUS_PROBE_NOWILDCARD); 113276680Snwhitehorn 114276680Snwhitehorn if (strncmp(compatible, "sony,ps3", sizeof(compatible)) != 0) 115276680Snwhitehorn return (BUS_PROBE_NOWILDCARD); 116276680Snwhitehorn 117276680Snwhitehorn return (BUS_PROBE_SPECIFIC); 118217044Snwhitehorn} 119217044Snwhitehorn 120217044Snwhitehornstatic int 121217044Snwhitehornps3_attach(platform_t plat) 122217044Snwhitehorn{ 123258807Snwhitehorn 124258807Snwhitehorn pmap_mmu_install("mmu_ps3", BUS_PROBE_SPECIFIC); 125258807Snwhitehorn cpu_idle_hook = ps3_cpu_idle; 126258807Snwhitehorn 127258807Snwhitehorn /* Set a breakpoint to make NULL an invalid address */ 128258807Snwhitehorn lv1_set_dabr(0x7 /* read and write, MMU on */, 2 /* kernel accesses */); 129258807Snwhitehorn 130258807Snwhitehorn return (0); 131258807Snwhitehorn} 132258807Snwhitehorn 133258807Snwhitehornvoid 134258807Snwhitehornps3_mem_regions(platform_t plat, struct mem_region *phys, int *physsz, 135258807Snwhitehorn struct mem_region *avail_regions, int *availsz) 136258807Snwhitehorn{ 137217044Snwhitehorn uint64_t lpar_id, junk, ppe_id; 138217044Snwhitehorn 139217044Snwhitehorn /* Get real mode memory region */ 140217044Snwhitehorn avail_regions[0].mr_start = 0; 141217044Snwhitehorn lv1_get_logical_partition_id(&lpar_id); 142217044Snwhitehorn lv1_get_logical_ppe_id(&ppe_id); 143217044Snwhitehorn lv1_get_repository_node_value(lpar_id, 144217044Snwhitehorn lv1_repository_string("bi") >> 32, lv1_repository_string("pu"), 145217044Snwhitehorn ppe_id, lv1_repository_string("rm_size"), 146217044Snwhitehorn &avail_regions[0].mr_size, &junk); 147217044Snwhitehorn 148217044Snwhitehorn /* Now get extended memory region */ 149217044Snwhitehorn lv1_get_repository_node_value(lpar_id, 150217044Snwhitehorn lv1_repository_string("bi") >> 32, 151217044Snwhitehorn lv1_repository_string("rgntotal"), 0, 0, 152217044Snwhitehorn &avail_regions[1].mr_size, &junk); 153217044Snwhitehorn 154217044Snwhitehorn /* Convert to maximum amount we can allocate in 16 MB pages */ 155217044Snwhitehorn avail_regions[1].mr_size -= avail_regions[0].mr_size; 156217044Snwhitehorn avail_regions[1].mr_size -= avail_regions[1].mr_size % (16*1024*1024); 157268898Snwhitehorn 158268898Snwhitehorn /* Allocate extended memory region */ 159268898Snwhitehorn lv1_allocate_memory(avail_regions[1].mr_size, 24 /* 16 MB pages */, 160268898Snwhitehorn 0, 0x04 /* any address */, &avail_regions[1].mr_start, &junk); 161268898Snwhitehorn 162258807Snwhitehorn *availsz = 2; 163217044Snwhitehorn 164258807Snwhitehorn if (phys != NULL) { 165258807Snwhitehorn memcpy(phys, avail_regions, sizeof(*phys)*2); 166258807Snwhitehorn *physsz = 2; 167258807Snwhitehorn } 168217044Snwhitehorn} 169217044Snwhitehorn 170217044Snwhitehornstatic u_long 171217044Snwhitehornps3_timebase_freq(platform_t plat, struct cpuref *cpuref) 172217044Snwhitehorn{ 173217044Snwhitehorn uint64_t ticks, node_id, junk; 174217044Snwhitehorn 175217044Snwhitehorn lv1_get_repository_node_value(PS3_LPAR_ID_PME, 176217044Snwhitehorn lv1_repository_string("be") >> 32, 0, 0, 0, &node_id, &junk); 177217044Snwhitehorn lv1_get_repository_node_value(PS3_LPAR_ID_PME, 178217044Snwhitehorn lv1_repository_string("be") >> 32, node_id, 179217044Snwhitehorn lv1_repository_string("clock"), 0, &ticks, &junk); 180217044Snwhitehorn 181217044Snwhitehorn return (ticks); 182217044Snwhitehorn} 183217044Snwhitehorn 184217044Snwhitehorn#ifdef SMP 185217044Snwhitehornstatic int 186217044Snwhitehornps3_smp_first_cpu(platform_t plat, struct cpuref *cpuref) 187217044Snwhitehorn{ 188217044Snwhitehorn 189217044Snwhitehorn cpuref->cr_cpuid = 0; 190217044Snwhitehorn cpuref->cr_hwref = cpuref->cr_cpuid; 191217044Snwhitehorn 192217044Snwhitehorn return (0); 193217044Snwhitehorn} 194217044Snwhitehorn 195217044Snwhitehornstatic int 196217044Snwhitehornps3_smp_next_cpu(platform_t plat, struct cpuref *cpuref) 197217044Snwhitehorn{ 198217044Snwhitehorn 199217044Snwhitehorn if (cpuref->cr_cpuid >= 1) 200217044Snwhitehorn return (ENOENT); 201217044Snwhitehorn 202217044Snwhitehorn cpuref->cr_cpuid++; 203217044Snwhitehorn cpuref->cr_hwref = cpuref->cr_cpuid; 204217044Snwhitehorn 205217044Snwhitehorn return (0); 206217044Snwhitehorn} 207217044Snwhitehorn 208217044Snwhitehornstatic int 209217044Snwhitehornps3_smp_get_bsp(platform_t plat, struct cpuref *cpuref) 210217044Snwhitehorn{ 211217044Snwhitehorn 212217044Snwhitehorn cpuref->cr_cpuid = 0; 213217044Snwhitehorn cpuref->cr_hwref = cpuref->cr_cpuid; 214217044Snwhitehorn 215217044Snwhitehorn return (0); 216217044Snwhitehorn} 217217044Snwhitehorn 218217044Snwhitehornstatic int 219217044Snwhitehornps3_smp_start_cpu(platform_t plat, struct pcpu *pc) 220217044Snwhitehorn{ 221217044Snwhitehorn /* loader(8) is spinning on 0x40 == 0 right now */ 222217044Snwhitehorn uint32_t *secondary_spin_sem = (uint32_t *)(0x40); 223217044Snwhitehorn int timeout; 224217044Snwhitehorn 225217044Snwhitehorn if (pc->pc_hwref != 1) 226217044Snwhitehorn return (ENXIO); 227217044Snwhitehorn 228217044Snwhitehorn ap_pcpu = pc; 229217044Snwhitehorn *secondary_spin_sem = 1; 230217044Snwhitehorn powerpc_sync(); 231217044Snwhitehorn DELAY(1); 232217044Snwhitehorn 233217044Snwhitehorn timeout = 10000; 234217044Snwhitehorn while (!pc->pc_awake && timeout--) 235217044Snwhitehorn DELAY(100); 236217044Snwhitehorn 237217044Snwhitehorn return ((pc->pc_awake) ? 0 : EBUSY); 238217044Snwhitehorn} 239217044Snwhitehorn 240217044Snwhitehornstatic struct cpu_group * 241217044Snwhitehornps3_smp_topo(platform_t plat) 242217044Snwhitehorn{ 243217044Snwhitehorn return (smp_topo_1level(CG_SHARE_L1, 2, CG_FLAG_SMT)); 244217044Snwhitehorn} 245217044Snwhitehorn#endif 246217044Snwhitehorn 247217044Snwhitehornstatic void 248217044Snwhitehornps3_reset(platform_t plat) 249217044Snwhitehorn{ 250217044Snwhitehorn lv1_panic(1); 251217044Snwhitehorn} 252217044Snwhitehorn 253217044Snwhitehornstatic vm_offset_t 254217044Snwhitehornps3_real_maxaddr(platform_t plat) 255217044Snwhitehorn{ 256258807Snwhitehorn struct mem_region *phys, *avail; 257258807Snwhitehorn int nphys, navail; 258258807Snwhitehorn 259258807Snwhitehorn mem_regions(&phys, &nphys, &avail, &navail); 260258807Snwhitehorn 261258807Snwhitehorn return (phys[0].mr_start + phys[0].mr_size); 262217044Snwhitehorn} 263217044Snwhitehorn 264217044Snwhitehornstatic void 265247454Sdavideps3_cpu_idle(sbintime_t sbt) 266217044Snwhitehorn{ 267217044Snwhitehorn lv1_pause(0); 268217044Snwhitehorn} 269217044Snwhitehorn 270