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sys/powerpc/pseries/platform_chrp.c
| Show First 20 Lines • Show All 349 Lines • ▼ Show 20 Lines | chrp_smp_get_bsp(platform_t plat, struct cpuref *cpuref) | ||||
| return (0); | return (0); | ||||
| } | } | ||||
| static int | static int | ||||
| chrp_cpuref_init(void) | chrp_cpuref_init(void) | ||||
| { | { | ||||
| phandle_t cpu, dev; | phandle_t cpu, dev; | ||||
| char buf[32]; | char buf[32]; | ||||
| int a, res; | int a, res, res2; | ||||
| uint32_t reg, addr_cells, size_cells; | |||||
| cell_t interrupt_servers[32]; | cell_t interrupt_servers[32]; | ||||
| uint64_t bsp; | uint64_t bsp; | ||||
| if (platform_cpuref_valid) | if (platform_cpuref_valid) | ||||
| return (0); | return (0); | ||||
| dev = OF_peer(0); | dev = OF_peer(0); | ||||
| dev = OF_child(dev); | dev = OF_child(dev); | ||||
| while (dev != 0) { | while (dev != 0) { | ||||
| res = OF_getprop(dev, "name", buf, sizeof(buf)); | res = OF_getprop(dev, "name", buf, sizeof(buf)); | ||||
| if (res > 0 && strcmp(buf, "cpus") == 0) | if (res > 0 && strcmp(buf, "cpus") == 0) | ||||
| break; | break; | ||||
| dev = OF_peer(dev); | dev = OF_peer(dev); | ||||
| } | } | ||||
| res = OF_getproplen(dev, "#address-cells"); | |||||
| res2 = OF_getproplen(dev, "#size-cells"); | |||||
| if (res != res2 || res != sizeof(uint32_t)) | |||||
| panic("CPU properties #address-cells and #size-cells not found on Open Firmware\n"); | |||||
| OF_getencprop(dev, "#address-cells", &addr_cells, sizeof(addr_cells)); | |||||
| OF_getencprop(dev, "#size-cells", &size_cells, sizeof(size_cells)); | |||||
| if (addr_cells != 1 || size_cells != 0) | |||||
| panic("Unexpected values for CPU properties #address-cells and #size-cells on Open Firmware\n"); | |||||
| bsp = 0; | bsp = 0; | ||||
| for (cpu = OF_child(dev); cpu != 0; cpu = OF_peer(cpu)) { | for (cpu = OF_child(dev); cpu != 0; cpu = OF_peer(cpu)) { | ||||
| res = OF_getprop(cpu, "device_type", buf, sizeof(buf)); | res = OF_getprop(cpu, "device_type", buf, sizeof(buf)); | ||||
| if (res > 0 && strcmp(buf, "cpu") == 0) { | if (res > 0 && strcmp(buf, "cpu") == 0) { | ||||
| res = OF_getproplen(cpu, "ibm,ppc-interrupt-server#s"); | res = OF_getproplen(cpu, "ibm,ppc-interrupt-server#s"); | ||||
| if (res > 0) { | if (res > 0) { | ||||
| OF_getencprop(cpu, "ibm,ppc-interrupt-server#s", | OF_getencprop(cpu, "ibm,ppc-interrupt-server#s", | ||||
| interrupt_servers, res); | interrupt_servers, res); | ||||
| res2 = OF_getproplen(cpu, "reg"); | |||||
| if (res2 != sizeof(uint32_t)) | |||||
| panic("Unexpected length for CPU property reg on Open Firmware\n"); | |||||
| OF_getencprop(cpu, "reg", ®, res2); | |||||
| if (reg + res/sizeof(cell_t) > MAXCPU) | |||||
| panic("Invalid CPU ID found on Open Firmware\n"); | |||||
| for (a = 0; a < res/sizeof(cell_t); a++) { | for (a = 0; a < res/sizeof(cell_t); a++) { | ||||
| platform_cpuref[platform_cpuref_cnt].cr_hwref = interrupt_servers[a]; | platform_cpuref[reg + a].cr_hwref = interrupt_servers[a]; | ||||
| platform_cpuref[platform_cpuref_cnt].cr_cpuid = platform_cpuref_cnt; | platform_cpuref[reg + a].cr_cpuid = reg + a; | ||||
| platform_cpuref_cnt++; | platform_cpuref_cnt++; | ||||
| } | } | ||||
| } | } | ||||
| } | } | ||||
| } | } | ||||
| for (a = 0; a < platform_cpuref_cnt; a++) | |||||
| if (platform_cpuref[a].cr_cpuid != a) | |||||
| panic("Invalid CPU ID found on Open Firmware\n"); | |||||
| platform_cpuref_valid = 1; | platform_cpuref_valid = 1; | ||||
| return (0); | return (0); | ||||
| } | } | ||||
| #ifdef SMP | #ifdef SMP | ||||
| ▲ Show 20 Lines • Show All 112 Lines • Show Last 20 Lines | |||||