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/10.3/sys/powerpc/ps3/platform_ps3.c 271114 2014-09-04 18:28:30Z nwhitehorn $"); 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/pmap.h> 48217044Snwhitehorn#include <machine/smp.h> 49217044Snwhitehorn#include <machine/spr.h> 50217044Snwhitehorn#include <machine/vmparam.h> 51217044Snwhitehorn 52217044Snwhitehorn#include "platform_if.h" 53217044Snwhitehorn#include "ps3-hvcall.h" 54217044Snwhitehorn 55217044Snwhitehorn#ifdef SMP 56217044Snwhitehornextern void *ap_pcpu; 57217044Snwhitehorn#endif 58217044Snwhitehorn 59217044Snwhitehornstatic int ps3_probe(platform_t); 60217044Snwhitehornstatic int ps3_attach(platform_t); 61266020Sianstatic void ps3_mem_regions(platform_t, struct mem_region *phys, int *physsz, 62266020Sian struct mem_region *avail, int *availsz); 63217044Snwhitehornstatic vm_offset_t ps3_real_maxaddr(platform_t); 64217044Snwhitehornstatic u_long ps3_timebase_freq(platform_t, struct cpuref *cpuref); 65217044Snwhitehorn#ifdef SMP 66217044Snwhitehornstatic int ps3_smp_first_cpu(platform_t, struct cpuref *cpuref); 67217044Snwhitehornstatic int ps3_smp_next_cpu(platform_t, struct cpuref *cpuref); 68217044Snwhitehornstatic int ps3_smp_get_bsp(platform_t, struct cpuref *cpuref); 69217044Snwhitehornstatic int ps3_smp_start_cpu(platform_t, struct pcpu *cpu); 70217044Snwhitehornstatic struct cpu_group *ps3_smp_topo(platform_t); 71217044Snwhitehorn#endif 72217044Snwhitehornstatic void ps3_reset(platform_t); 73247454Sdavidestatic void ps3_cpu_idle(sbintime_t); 74217044Snwhitehorn 75217044Snwhitehornstatic platform_method_t ps3_methods[] = { 76217044Snwhitehorn PLATFORMMETHOD(platform_probe, ps3_probe), 77217044Snwhitehorn PLATFORMMETHOD(platform_attach, ps3_attach), 78217044Snwhitehorn PLATFORMMETHOD(platform_mem_regions, ps3_mem_regions), 79217044Snwhitehorn PLATFORMMETHOD(platform_real_maxaddr, ps3_real_maxaddr), 80217044Snwhitehorn PLATFORMMETHOD(platform_timebase_freq, ps3_timebase_freq), 81217044Snwhitehorn 82217044Snwhitehorn#ifdef SMP 83217044Snwhitehorn PLATFORMMETHOD(platform_smp_first_cpu, ps3_smp_first_cpu), 84217044Snwhitehorn PLATFORMMETHOD(platform_smp_next_cpu, ps3_smp_next_cpu), 85217044Snwhitehorn PLATFORMMETHOD(platform_smp_get_bsp, ps3_smp_get_bsp), 86217044Snwhitehorn PLATFORMMETHOD(platform_smp_start_cpu, ps3_smp_start_cpu), 87217044Snwhitehorn PLATFORMMETHOD(platform_smp_topo, ps3_smp_topo), 88217044Snwhitehorn#endif 89217044Snwhitehorn 90217044Snwhitehorn PLATFORMMETHOD(platform_reset, ps3_reset), 91217044Snwhitehorn 92246732Srpaulo PLATFORMMETHOD_END 93217044Snwhitehorn}; 94217044Snwhitehorn 95217044Snwhitehornstatic platform_def_t ps3_platform = { 96217044Snwhitehorn "ps3", 97217044Snwhitehorn ps3_methods, 98217044Snwhitehorn 0 99217044Snwhitehorn}; 100217044Snwhitehorn 101217044SnwhitehornPLATFORM_DEF(ps3_platform); 102217044Snwhitehorn 103217044Snwhitehornstatic int 104217044Snwhitehornps3_probe(platform_t plat) 105217044Snwhitehorn{ 106217044Snwhitehorn 107217044Snwhitehorn return (BUS_PROBE_NOWILDCARD); 108217044Snwhitehorn} 109217044Snwhitehorn 110217044Snwhitehornstatic int 111217044Snwhitehornps3_attach(platform_t plat) 112217044Snwhitehorn{ 113266020Sian 114266020Sian pmap_mmu_install("mmu_ps3", BUS_PROBE_SPECIFIC); 115266020Sian cpu_idle_hook = ps3_cpu_idle; 116266020Sian 117266020Sian /* Set a breakpoint to make NULL an invalid address */ 118266020Sian lv1_set_dabr(0x7 /* read and write, MMU on */, 2 /* kernel accesses */); 119266020Sian 120266020Sian return (0); 121266020Sian} 122266020Sian 123266020Sianvoid 124266020Sianps3_mem_regions(platform_t plat, struct mem_region *phys, int *physsz, 125266020Sian struct mem_region *avail_regions, int *availsz) 126266020Sian{ 127217044Snwhitehorn uint64_t lpar_id, junk, ppe_id; 128217044Snwhitehorn 129217044Snwhitehorn /* Get real mode memory region */ 130217044Snwhitehorn avail_regions[0].mr_start = 0; 131217044Snwhitehorn lv1_get_logical_partition_id(&lpar_id); 132217044Snwhitehorn lv1_get_logical_ppe_id(&ppe_id); 133217044Snwhitehorn lv1_get_repository_node_value(lpar_id, 134217044Snwhitehorn lv1_repository_string("bi") >> 32, lv1_repository_string("pu"), 135217044Snwhitehorn ppe_id, lv1_repository_string("rm_size"), 136217044Snwhitehorn &avail_regions[0].mr_size, &junk); 137217044Snwhitehorn 138217044Snwhitehorn /* Now get extended memory region */ 139217044Snwhitehorn lv1_get_repository_node_value(lpar_id, 140217044Snwhitehorn lv1_repository_string("bi") >> 32, 141217044Snwhitehorn lv1_repository_string("rgntotal"), 0, 0, 142217044Snwhitehorn &avail_regions[1].mr_size, &junk); 143217044Snwhitehorn 144217044Snwhitehorn /* Convert to maximum amount we can allocate in 16 MB pages */ 145217044Snwhitehorn avail_regions[1].mr_size -= avail_regions[0].mr_size; 146217044Snwhitehorn avail_regions[1].mr_size -= avail_regions[1].mr_size % (16*1024*1024); 147271114Snwhitehorn 148271114Snwhitehorn /* Allocate extended memory region */ 149271114Snwhitehorn lv1_allocate_memory(avail_regions[1].mr_size, 24 /* 16 MB pages */, 150271114Snwhitehorn 0, 0x04 /* any address */, &avail_regions[1].mr_start, &junk); 151271114Snwhitehorn 152266020Sian *availsz = 2; 153217044Snwhitehorn 154266020Sian if (phys != NULL) { 155266020Sian memcpy(phys, avail_regions, sizeof(*phys)*2); 156266020Sian *physsz = 2; 157266020Sian } 158217044Snwhitehorn} 159217044Snwhitehorn 160217044Snwhitehornstatic u_long 161217044Snwhitehornps3_timebase_freq(platform_t plat, struct cpuref *cpuref) 162217044Snwhitehorn{ 163217044Snwhitehorn uint64_t ticks, node_id, junk; 164217044Snwhitehorn 165217044Snwhitehorn lv1_get_repository_node_value(PS3_LPAR_ID_PME, 166217044Snwhitehorn lv1_repository_string("be") >> 32, 0, 0, 0, &node_id, &junk); 167217044Snwhitehorn lv1_get_repository_node_value(PS3_LPAR_ID_PME, 168217044Snwhitehorn lv1_repository_string("be") >> 32, node_id, 169217044Snwhitehorn lv1_repository_string("clock"), 0, &ticks, &junk); 170217044Snwhitehorn 171217044Snwhitehorn return (ticks); 172217044Snwhitehorn} 173217044Snwhitehorn 174217044Snwhitehorn#ifdef SMP 175217044Snwhitehornstatic int 176217044Snwhitehornps3_smp_first_cpu(platform_t plat, struct cpuref *cpuref) 177217044Snwhitehorn{ 178217044Snwhitehorn 179217044Snwhitehorn cpuref->cr_cpuid = 0; 180217044Snwhitehorn cpuref->cr_hwref = cpuref->cr_cpuid; 181217044Snwhitehorn 182217044Snwhitehorn return (0); 183217044Snwhitehorn} 184217044Snwhitehorn 185217044Snwhitehornstatic int 186217044Snwhitehornps3_smp_next_cpu(platform_t plat, struct cpuref *cpuref) 187217044Snwhitehorn{ 188217044Snwhitehorn 189217044Snwhitehorn if (cpuref->cr_cpuid >= 1) 190217044Snwhitehorn return (ENOENT); 191217044Snwhitehorn 192217044Snwhitehorn cpuref->cr_cpuid++; 193217044Snwhitehorn cpuref->cr_hwref = cpuref->cr_cpuid; 194217044Snwhitehorn 195217044Snwhitehorn return (0); 196217044Snwhitehorn} 197217044Snwhitehorn 198217044Snwhitehornstatic int 199217044Snwhitehornps3_smp_get_bsp(platform_t plat, struct cpuref *cpuref) 200217044Snwhitehorn{ 201217044Snwhitehorn 202217044Snwhitehorn cpuref->cr_cpuid = 0; 203217044Snwhitehorn cpuref->cr_hwref = cpuref->cr_cpuid; 204217044Snwhitehorn 205217044Snwhitehorn return (0); 206217044Snwhitehorn} 207217044Snwhitehorn 208217044Snwhitehornstatic int 209217044Snwhitehornps3_smp_start_cpu(platform_t plat, struct pcpu *pc) 210217044Snwhitehorn{ 211217044Snwhitehorn /* loader(8) is spinning on 0x40 == 0 right now */ 212217044Snwhitehorn uint32_t *secondary_spin_sem = (uint32_t *)(0x40); 213217044Snwhitehorn int timeout; 214217044Snwhitehorn 215217044Snwhitehorn if (pc->pc_hwref != 1) 216217044Snwhitehorn return (ENXIO); 217217044Snwhitehorn 218217044Snwhitehorn ap_pcpu = pc; 219217044Snwhitehorn *secondary_spin_sem = 1; 220217044Snwhitehorn powerpc_sync(); 221217044Snwhitehorn DELAY(1); 222217044Snwhitehorn 223217044Snwhitehorn timeout = 10000; 224217044Snwhitehorn while (!pc->pc_awake && timeout--) 225217044Snwhitehorn DELAY(100); 226217044Snwhitehorn 227217044Snwhitehorn return ((pc->pc_awake) ? 0 : EBUSY); 228217044Snwhitehorn} 229217044Snwhitehorn 230217044Snwhitehornstatic struct cpu_group * 231217044Snwhitehornps3_smp_topo(platform_t plat) 232217044Snwhitehorn{ 233217044Snwhitehorn return (smp_topo_1level(CG_SHARE_L1, 2, CG_FLAG_SMT)); 234217044Snwhitehorn} 235217044Snwhitehorn#endif 236217044Snwhitehorn 237217044Snwhitehornstatic void 238217044Snwhitehornps3_reset(platform_t plat) 239217044Snwhitehorn{ 240217044Snwhitehorn lv1_panic(1); 241217044Snwhitehorn} 242217044Snwhitehorn 243217044Snwhitehornstatic vm_offset_t 244217044Snwhitehornps3_real_maxaddr(platform_t plat) 245217044Snwhitehorn{ 246266020Sian struct mem_region *phys, *avail; 247266020Sian int nphys, navail; 248266020Sian 249266020Sian mem_regions(&phys, &nphys, &avail, &navail); 250266020Sian 251266020Sian return (phys[0].mr_start + phys[0].mr_size); 252217044Snwhitehorn} 253217044Snwhitehorn 254217044Snwhitehornstatic void 255247454Sdavideps3_cpu_idle(sbintime_t sbt) 256217044Snwhitehorn{ 257217044Snwhitehorn lv1_pause(0); 258217044Snwhitehorn} 259217044Snwhitehorn 260