platform_powermac.c (209853) | platform_powermac.c (212054) |
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1/*- 2 * Copyright (c) 2008 Marcel Moolenaar 3 * Copyright (c) 2009 Nathan Whitehorn 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 12 unchanged lines hidden (view full) --- 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2008 Marcel Moolenaar 3 * Copyright (c) 2009 Nathan Whitehorn 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 12 unchanged lines hidden (view full) --- 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h> |
29__FBSDID("$FreeBSD: head/sys/powerpc/aim/platform_chrp.c 209853 2010-07-09 14:04:16Z nwhitehorn $"); | 29__FBSDID("$FreeBSD: head/sys/powerpc/powermac/platform_powermac.c 212054 2010-08-31 15:27:46Z nwhitehorn $"); |
30 31#include <sys/param.h> 32#include <sys/systm.h> 33#include <sys/kernel.h> 34#include <sys/bus.h> 35#include <sys/pcpu.h> 36#include <sys/proc.h> 37#include <sys/smp.h> --- 12 unchanged lines hidden (view full) --- 50#include <machine/ofw_machdep.h> 51 52#include "platform_if.h" 53 54#ifdef SMP 55extern void *ap_pcpu; 56#endif 57 | 30 31#include <sys/param.h> 32#include <sys/systm.h> 33#include <sys/kernel.h> 34#include <sys/bus.h> 35#include <sys/pcpu.h> 36#include <sys/proc.h> 37#include <sys/smp.h> --- 12 unchanged lines hidden (view full) --- 50#include <machine/ofw_machdep.h> 51 52#include "platform_if.h" 53 54#ifdef SMP 55extern void *ap_pcpu; 56#endif 57 |
58static int chrp_probe(platform_t); 59void chrp_mem_regions(platform_t, struct mem_region **phys, int *physsz, | 58static int powermac_probe(platform_t); 59void powermac_mem_regions(platform_t, struct mem_region **phys, int *physsz, |
60 struct mem_region **avail, int *availsz); | 60 struct mem_region **avail, int *availsz); |
61static u_long chrp_timebase_freq(platform_t, struct cpuref *cpuref); 62static int chrp_smp_first_cpu(platform_t, struct cpuref *cpuref); 63static int chrp_smp_next_cpu(platform_t, struct cpuref *cpuref); 64static int chrp_smp_get_bsp(platform_t, struct cpuref *cpuref); 65static int chrp_smp_start_cpu(platform_t, struct pcpu *cpu); | 61static u_long powermac_timebase_freq(platform_t, struct cpuref *cpuref); 62static int powermac_smp_first_cpu(platform_t, struct cpuref *cpuref); 63static int powermac_smp_next_cpu(platform_t, struct cpuref *cpuref); 64static int powermac_smp_get_bsp(platform_t, struct cpuref *cpuref); 65static int powermac_smp_start_cpu(platform_t, struct pcpu *cpu); 66static void powermac_reset(platform_t); |
66 | 67 |
67static platform_method_t chrp_methods[] = { 68 PLATFORMMETHOD(platform_probe, chrp_probe), 69 PLATFORMMETHOD(platform_mem_regions, chrp_mem_regions), 70 PLATFORMMETHOD(platform_timebase_freq, chrp_timebase_freq), | 68static platform_method_t powermac_methods[] = { 69 PLATFORMMETHOD(platform_probe, powermac_probe), 70 PLATFORMMETHOD(platform_mem_regions, powermac_mem_regions), 71 PLATFORMMETHOD(platform_timebase_freq, powermac_timebase_freq), |
71 | 72 |
72 PLATFORMMETHOD(platform_smp_first_cpu, chrp_smp_first_cpu), 73 PLATFORMMETHOD(platform_smp_next_cpu, chrp_smp_next_cpu), 74 PLATFORMMETHOD(platform_smp_get_bsp, chrp_smp_get_bsp), 75 PLATFORMMETHOD(platform_smp_start_cpu, chrp_smp_start_cpu), | 73 PLATFORMMETHOD(platform_smp_first_cpu, powermac_smp_first_cpu), 74 PLATFORMMETHOD(platform_smp_next_cpu, powermac_smp_next_cpu), 75 PLATFORMMETHOD(platform_smp_get_bsp, powermac_smp_get_bsp), 76 PLATFORMMETHOD(platform_smp_start_cpu, powermac_smp_start_cpu), |
76 | 77 |
78 PLATFORMMETHOD(platform_reset, powermac_reset), 79 |
|
77 { 0, 0 } 78}; 79 | 80 { 0, 0 } 81}; 82 |
80static platform_def_t chrp_platform = { 81 "chrp", 82 chrp_methods, | 83static platform_def_t powermac_platform = { 84 "powermac", 85 powermac_methods, |
83 0 84}; 85 | 86 0 87}; 88 |
86PLATFORM_DEF(chrp_platform); | 89PLATFORM_DEF(powermac_platform); |
87 88static int | 90 91static int |
89chrp_probe(platform_t plat) | 92powermac_probe(platform_t plat) |
90{ 91 if (OF_finddevice("/memory") != -1 || OF_finddevice("/memory@0") != -1) 92 return (BUS_PROBE_GENERIC); 93 94 return (ENXIO); 95} 96 97void | 93{ 94 if (OF_finddevice("/memory") != -1 || OF_finddevice("/memory@0") != -1) 95 return (BUS_PROBE_GENERIC); 96 97 return (ENXIO); 98} 99 100void |
98chrp_mem_regions(platform_t plat, struct mem_region **phys, int *physsz, | 101powermac_mem_regions(platform_t plat, struct mem_region **phys, int *physsz, |
99 struct mem_region **avail, int *availsz) 100{ 101 ofw_mem_regions(phys,physsz,avail,availsz); 102} 103 104static u_long | 102 struct mem_region **avail, int *availsz) 103{ 104 ofw_mem_regions(phys,physsz,avail,availsz); 105} 106 107static u_long |
105chrp_timebase_freq(platform_t plat, struct cpuref *cpuref) | 108powermac_timebase_freq(platform_t plat, struct cpuref *cpuref) |
106{ 107 phandle_t phandle; 108 int32_t ticks = -1; 109 110 phandle = cpuref->cr_hwref; 111 112 OF_getprop(phandle, "timebase-frequency", &ticks, sizeof(ticks)); 113 114 if (ticks <= 0) 115 panic("Unable to determine timebase frequency!"); 116 117 return (ticks); 118} 119 120 121static int | 109{ 110 phandle_t phandle; 111 int32_t ticks = -1; 112 113 phandle = cpuref->cr_hwref; 114 115 OF_getprop(phandle, "timebase-frequency", &ticks, sizeof(ticks)); 116 117 if (ticks <= 0) 118 panic("Unable to determine timebase frequency!"); 119 120 return (ticks); 121} 122 123 124static int |
122chrp_smp_fill_cpuref(struct cpuref *cpuref, phandle_t cpu) | 125powermac_smp_fill_cpuref(struct cpuref *cpuref, phandle_t cpu) |
123{ 124 cell_t cpuid, res; 125 126 cpuref->cr_hwref = cpu; 127 res = OF_getprop(cpu, "reg", &cpuid, sizeof(cpuid)); 128 129 /* 130 * psim doesn't have a reg property, so assume 0 as for the 131 * uniprocessor case in the CHRP spec. 132 */ 133 if (res < 0) { 134 cpuid = 0; 135 } 136 137 cpuref->cr_cpuid = cpuid & 0xff; 138 return (0); 139} 140 141static int | 126{ 127 cell_t cpuid, res; 128 129 cpuref->cr_hwref = cpu; 130 res = OF_getprop(cpu, "reg", &cpuid, sizeof(cpuid)); 131 132 /* 133 * psim doesn't have a reg property, so assume 0 as for the 134 * uniprocessor case in the CHRP spec. 135 */ 136 if (res < 0) { 137 cpuid = 0; 138 } 139 140 cpuref->cr_cpuid = cpuid & 0xff; 141 return (0); 142} 143 144static int |
142chrp_smp_first_cpu(platform_t plat, struct cpuref *cpuref) | 145powermac_smp_first_cpu(platform_t plat, struct cpuref *cpuref) |
143{ 144 char buf[8]; 145 phandle_t cpu, dev, root; 146 int res; 147 148 root = OF_peer(0); 149 150 dev = OF_child(root); --- 19 unchanged lines hidden (view full) --- 170 res = OF_getprop(cpu, "device_type", buf, sizeof(buf)); 171 if (res > 0 && strcmp(buf, "cpu") == 0) 172 break; 173 cpu = OF_peer(cpu); 174 } 175 if (cpu == 0) 176 return (ENOENT); 177 | 146{ 147 char buf[8]; 148 phandle_t cpu, dev, root; 149 int res; 150 151 root = OF_peer(0); 152 153 dev = OF_child(root); --- 19 unchanged lines hidden (view full) --- 173 res = OF_getprop(cpu, "device_type", buf, sizeof(buf)); 174 if (res > 0 && strcmp(buf, "cpu") == 0) 175 break; 176 cpu = OF_peer(cpu); 177 } 178 if (cpu == 0) 179 return (ENOENT); 180 |
178 return (chrp_smp_fill_cpuref(cpuref, cpu)); | 181 return (powermac_smp_fill_cpuref(cpuref, cpu)); |
179} 180 181static int | 182} 183 184static int |
182chrp_smp_next_cpu(platform_t plat, struct cpuref *cpuref) | 185powermac_smp_next_cpu(platform_t plat, struct cpuref *cpuref) |
183{ 184 char buf[8]; 185 phandle_t cpu; 186 int res; 187 188 cpu = OF_peer(cpuref->cr_hwref); 189 while (cpu != 0) { 190 res = OF_getprop(cpu, "device_type", buf, sizeof(buf)); 191 if (res > 0 && strcmp(buf, "cpu") == 0) 192 break; 193 cpu = OF_peer(cpu); 194 } 195 if (cpu == 0) 196 return (ENOENT); 197 | 186{ 187 char buf[8]; 188 phandle_t cpu; 189 int res; 190 191 cpu = OF_peer(cpuref->cr_hwref); 192 while (cpu != 0) { 193 res = OF_getprop(cpu, "device_type", buf, sizeof(buf)); 194 if (res > 0 && strcmp(buf, "cpu") == 0) 195 break; 196 cpu = OF_peer(cpu); 197 } 198 if (cpu == 0) 199 return (ENOENT); 200 |
198 return (chrp_smp_fill_cpuref(cpuref, cpu)); | 201 return (powermac_smp_fill_cpuref(cpuref, cpu)); |
199} 200 201static int | 202} 203 204static int |
202chrp_smp_get_bsp(platform_t plat, struct cpuref *cpuref) | 205powermac_smp_get_bsp(platform_t plat, struct cpuref *cpuref) |
203{ 204 ihandle_t inst; 205 phandle_t bsp, chosen; 206 int res; 207 208 chosen = OF_finddevice("/chosen"); 209 if (chosen == 0) 210 return (ENXIO); 211 212 res = OF_getprop(chosen, "cpu", &inst, sizeof(inst)); 213 if (res < 0) 214 return (ENXIO); 215 216 bsp = OF_instance_to_package(inst); | 206{ 207 ihandle_t inst; 208 phandle_t bsp, chosen; 209 int res; 210 211 chosen = OF_finddevice("/chosen"); 212 if (chosen == 0) 213 return (ENXIO); 214 215 res = OF_getprop(chosen, "cpu", &inst, sizeof(inst)); 216 if (res < 0) 217 return (ENXIO); 218 219 bsp = OF_instance_to_package(inst); |
217 return (chrp_smp_fill_cpuref(cpuref, bsp)); | 220 return (powermac_smp_fill_cpuref(cpuref, bsp)); |
218} 219 220static int | 221} 222 223static int |
221chrp_smp_start_cpu(platform_t plat, struct pcpu *pc) | 224powermac_smp_start_cpu(platform_t plat, struct pcpu *pc) |
222{ 223#ifdef SMP 224 phandle_t cpu; 225 volatile uint8_t *rstvec; 226 static volatile uint8_t *rstvec_virtbase = NULL; 227 int res, reset, timeout; 228 229 cpu = pc->pc_hwref; --- 42 unchanged lines hidden (view full) --- 272 273 return ((pc->pc_awake) ? 0 : EBUSY); 274#else 275 /* No SMP support */ 276 return (ENXIO); 277#endif 278} 279 | 225{ 226#ifdef SMP 227 phandle_t cpu; 228 volatile uint8_t *rstvec; 229 static volatile uint8_t *rstvec_virtbase = NULL; 230 int res, reset, timeout; 231 232 cpu = pc->pc_hwref; --- 42 unchanged lines hidden (view full) --- 275 276 return ((pc->pc_awake) ? 0 : EBUSY); 277#else 278 /* No SMP support */ 279 return (ENXIO); 280#endif 281} 282 |
283static void 284powermac_reset(platform_t platform) 285{ 286 OF_reboot(); 287} 288 |
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