| /* |
| * QEMU PowerPC PowerNV machine model |
| * |
| * Copyright (c) 2016, IBM Corporation. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "qemu/datadir.h" |
| #include "qemu/units.h" |
| #include "qemu/cutils.h" |
| #include "qapi/error.h" |
| #include "sysemu/qtest.h" |
| #include "sysemu/sysemu.h" |
| #include "sysemu/numa.h" |
| #include "sysemu/reset.h" |
| #include "sysemu/runstate.h" |
| #include "sysemu/cpus.h" |
| #include "sysemu/device_tree.h" |
| #include "sysemu/hw_accel.h" |
| #include "target/ppc/cpu.h" |
| #include "hw/ppc/fdt.h" |
| #include "hw/ppc/ppc.h" |
| #include "hw/ppc/pnv.h" |
| #include "hw/ppc/pnv_core.h" |
| #include "hw/loader.h" |
| #include "hw/nmi.h" |
| #include "qapi/visitor.h" |
| #include "monitor/monitor.h" |
| #include "hw/intc/intc.h" |
| #include "hw/ipmi/ipmi.h" |
| #include "target/ppc/mmu-hash64.h" |
| #include "hw/pci/msi.h" |
| #include "hw/pci-host/pnv_phb.h" |
| #include "hw/pci-host/pnv_phb3.h" |
| #include "hw/pci-host/pnv_phb4.h" |
| |
| #include "hw/ppc/xics.h" |
| #include "hw/qdev-properties.h" |
| #include "hw/ppc/pnv_chip.h" |
| #include "hw/ppc/pnv_xscom.h" |
| #include "hw/ppc/pnv_pnor.h" |
| |
| #include "hw/isa/isa.h" |
| #include "hw/char/serial.h" |
| #include "hw/rtc/mc146818rtc.h" |
| |
| #include <libfdt.h> |
| |
| #define FDT_MAX_SIZE (1 * MiB) |
| |
| #define FW_FILE_NAME "skiboot.lid" |
| #define FW_LOAD_ADDR 0x0 |
| #define FW_MAX_SIZE (16 * MiB) |
| |
| #define KERNEL_LOAD_ADDR 0x20000000 |
| #define KERNEL_MAX_SIZE (128 * MiB) |
| #define INITRD_LOAD_ADDR 0x28000000 |
| #define INITRD_MAX_SIZE (128 * MiB) |
| |
| static const char *pnv_chip_core_typename(const PnvChip *o) |
| { |
| const char *chip_type = object_class_get_name(object_get_class(OBJECT(o))); |
| int len = strlen(chip_type) - strlen(PNV_CHIP_TYPE_SUFFIX); |
| char *s = g_strdup_printf(PNV_CORE_TYPE_NAME("%.*s"), len, chip_type); |
| const char *core_type = object_class_get_name(object_class_by_name(s)); |
| g_free(s); |
| return core_type; |
| } |
| |
| /* |
| * On Power Systems E880 (POWER8), the max cpus (threads) should be : |
| * 4 * 4 sockets * 12 cores * 8 threads = 1536 |
| * Let's make it 2^11 |
| */ |
| #define MAX_CPUS 2048 |
| |
| /* |
| * Memory nodes are created by hostboot, one for each range of memory |
| * that has a different "affinity". In practice, it means one range |
| * per chip. |
| */ |
| static void pnv_dt_memory(void *fdt, int chip_id, hwaddr start, hwaddr size) |
| { |
| char *mem_name; |
| uint64_t mem_reg_property[2]; |
| int off; |
| |
| mem_reg_property[0] = cpu_to_be64(start); |
| mem_reg_property[1] = cpu_to_be64(size); |
| |
| mem_name = g_strdup_printf("memory@%"HWADDR_PRIx, start); |
| off = fdt_add_subnode(fdt, 0, mem_name); |
| g_free(mem_name); |
| |
| _FDT((fdt_setprop_string(fdt, off, "device_type", "memory"))); |
| _FDT((fdt_setprop(fdt, off, "reg", mem_reg_property, |
| sizeof(mem_reg_property)))); |
| _FDT((fdt_setprop_cell(fdt, off, "ibm,chip-id", chip_id))); |
| } |
| |
| static int get_cpus_node(void *fdt) |
| { |
| int cpus_offset = fdt_path_offset(fdt, "/cpus"); |
| |
| if (cpus_offset < 0) { |
| cpus_offset = fdt_add_subnode(fdt, 0, "cpus"); |
| if (cpus_offset) { |
| _FDT((fdt_setprop_cell(fdt, cpus_offset, "#address-cells", 0x1))); |
| _FDT((fdt_setprop_cell(fdt, cpus_offset, "#size-cells", 0x0))); |
| } |
| } |
| _FDT(cpus_offset); |
| return cpus_offset; |
| } |
| |
| /* |
| * The PowerNV cores (and threads) need to use real HW ids and not an |
| * incremental index like it has been done on other platforms. This HW |
| * id is stored in the CPU PIR, it is used to create cpu nodes in the |
| * device tree, used in XSCOM to address cores and in interrupt |
| * servers. |
| */ |
| static int pnv_dt_core(PnvChip *chip, PnvCore *pc, void *fdt) |
| { |
| PowerPCCPU *cpu = pc->threads[0]; |
| CPUState *cs = CPU(cpu); |
| DeviceClass *dc = DEVICE_GET_CLASS(cs); |
| int smt_threads = CPU_CORE(pc)->nr_threads; |
| CPUPPCState *env = &cpu->env; |
| PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs); |
| PnvChipClass *pnv_cc = PNV_CHIP_GET_CLASS(chip); |
| g_autofree uint32_t *servers_prop = g_new(uint32_t, smt_threads); |
| int i; |
| uint32_t pir; |
| uint32_t segs[] = {cpu_to_be32(28), cpu_to_be32(40), |
| 0xffffffff, 0xffffffff}; |
| uint32_t tbfreq = PNV_TIMEBASE_FREQ; |
| uint32_t cpufreq = 1000000000; |
| uint32_t page_sizes_prop[64]; |
| size_t page_sizes_prop_size; |
| int offset; |
| char *nodename; |
| int cpus_offset = get_cpus_node(fdt); |
| |
| pir = pnv_cc->chip_pir(chip, pc->hwid, 0); |
| |
| nodename = g_strdup_printf("%s@%x", dc->fw_name, pir); |
| offset = fdt_add_subnode(fdt, cpus_offset, nodename); |
| _FDT(offset); |
| g_free(nodename); |
| |
| _FDT((fdt_setprop_cell(fdt, offset, "ibm,chip-id", chip->chip_id))); |
| |
| _FDT((fdt_setprop_cell(fdt, offset, "reg", pir))); |
| _FDT((fdt_setprop_cell(fdt, offset, "ibm,pir", pir))); |
| _FDT((fdt_setprop_string(fdt, offset, "device_type", "cpu"))); |
| |
| _FDT((fdt_setprop_cell(fdt, offset, "cpu-version", env->spr[SPR_PVR]))); |
| _FDT((fdt_setprop_cell(fdt, offset, "d-cache-block-size", |
| env->dcache_line_size))); |
| _FDT((fdt_setprop_cell(fdt, offset, "d-cache-line-size", |
| env->dcache_line_size))); |
| _FDT((fdt_setprop_cell(fdt, offset, "i-cache-block-size", |
| env->icache_line_size))); |
| _FDT((fdt_setprop_cell(fdt, offset, "i-cache-line-size", |
| env->icache_line_size))); |
| |
| if (pcc->l1_dcache_size) { |
| _FDT((fdt_setprop_cell(fdt, offset, "d-cache-size", |
| pcc->l1_dcache_size))); |
| } else { |
| warn_report("Unknown L1 dcache size for cpu"); |
| } |
| if (pcc->l1_icache_size) { |
| _FDT((fdt_setprop_cell(fdt, offset, "i-cache-size", |
| pcc->l1_icache_size))); |
| } else { |
| warn_report("Unknown L1 icache size for cpu"); |
| } |
| |
| _FDT((fdt_setprop_cell(fdt, offset, "timebase-frequency", tbfreq))); |
| _FDT((fdt_setprop_cell(fdt, offset, "clock-frequency", cpufreq))); |
| _FDT((fdt_setprop_cell(fdt, offset, "ibm,slb-size", |
| cpu->hash64_opts->slb_size))); |
| _FDT((fdt_setprop_string(fdt, offset, "status", "okay"))); |
| _FDT((fdt_setprop(fdt, offset, "64-bit", NULL, 0))); |
| |
| if (ppc_has_spr(cpu, SPR_PURR)) { |
| _FDT((fdt_setprop(fdt, offset, "ibm,purr", NULL, 0))); |
| } |
| |
| if (ppc_hash64_has(cpu, PPC_HASH64_1TSEG)) { |
| _FDT((fdt_setprop(fdt, offset, "ibm,processor-segment-sizes", |
| segs, sizeof(segs)))); |
| } |
| |
| /* |
| * Advertise VMX/VSX (vector extensions) if available |
| * 0 / no property == no vector extensions |
| * 1 == VMX / Altivec available |
| * 2 == VSX available |
| */ |
| if (env->insns_flags & PPC_ALTIVEC) { |
| uint32_t vmx = (env->insns_flags2 & PPC2_VSX) ? 2 : 1; |
| |
| _FDT((fdt_setprop_cell(fdt, offset, "ibm,vmx", vmx))); |
| } |
| |
| /* |
| * Advertise DFP (Decimal Floating Point) if available |
| * 0 / no property == no DFP |
| * 1 == DFP available |
| */ |
| if (env->insns_flags2 & PPC2_DFP) { |
| _FDT((fdt_setprop_cell(fdt, offset, "ibm,dfp", 1))); |
| } |
| |
| page_sizes_prop_size = ppc_create_page_sizes_prop(cpu, page_sizes_prop, |
| sizeof(page_sizes_prop)); |
| if (page_sizes_prop_size) { |
| _FDT((fdt_setprop(fdt, offset, "ibm,segment-page-sizes", |
| page_sizes_prop, page_sizes_prop_size))); |
| } |
| |
| /* Build interrupt servers properties */ |
| for (i = 0; i < smt_threads; i++) { |
| servers_prop[i] = cpu_to_be32(pnv_cc->chip_pir(chip, pc->hwid, i)); |
| } |
| _FDT((fdt_setprop(fdt, offset, "ibm,ppc-interrupt-server#s", |
| servers_prop, sizeof(*servers_prop) * smt_threads))); |
| |
| return offset; |
| } |
| |
| static void pnv_dt_icp(PnvChip *chip, void *fdt, uint32_t hwid, |
| uint32_t nr_threads) |
| { |
| PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip); |
| uint32_t pir = pcc->chip_pir(chip, hwid, 0); |
| uint64_t addr = PNV_ICP_BASE(chip) | (pir << 12); |
| char *name; |
| const char compat[] = "IBM,power8-icp\0IBM,ppc-xicp"; |
| uint32_t irange[2], i, rsize; |
| uint64_t *reg; |
| int offset; |
| |
| irange[0] = cpu_to_be32(pir); |
| irange[1] = cpu_to_be32(nr_threads); |
| |
| rsize = sizeof(uint64_t) * 2 * nr_threads; |
| reg = g_malloc(rsize); |
| for (i = 0; i < nr_threads; i++) { |
| /* We know P8 PIR is linear with thread id */ |
| reg[i * 2] = cpu_to_be64(addr | ((pir + i) * 0x1000)); |
| reg[i * 2 + 1] = cpu_to_be64(0x1000); |
| } |
| |
| name = g_strdup_printf("interrupt-controller@%"PRIX64, addr); |
| offset = fdt_add_subnode(fdt, 0, name); |
| _FDT(offset); |
| g_free(name); |
| |
| _FDT((fdt_setprop(fdt, offset, "compatible", compat, sizeof(compat)))); |
| _FDT((fdt_setprop(fdt, offset, "reg", reg, rsize))); |
| _FDT((fdt_setprop_string(fdt, offset, "device_type", |
| "PowerPC-External-Interrupt-Presentation"))); |
| _FDT((fdt_setprop(fdt, offset, "interrupt-controller", NULL, 0))); |
| _FDT((fdt_setprop(fdt, offset, "ibm,interrupt-server-ranges", |
| irange, sizeof(irange)))); |
| _FDT((fdt_setprop_cell(fdt, offset, "#interrupt-cells", 1))); |
| _FDT((fdt_setprop_cell(fdt, offset, "#address-cells", 0))); |
| g_free(reg); |
| } |
| |
| /* |
| * Adds a PnvPHB to the chip on P8. |
| * Implemented here, like for defaults PHBs |
| */ |
| PnvChip *pnv_chip_add_phb(PnvChip *chip, PnvPHB *phb) |
| { |
| Pnv8Chip *chip8 = PNV8_CHIP(chip); |
| |
| phb->chip = chip; |
| |
| chip8->phbs[chip8->num_phbs] = phb; |
| chip8->num_phbs++; |
| return chip; |
| } |
| |
| /* |
| * Same as spapr pa_features_207 except pnv always enables CI largepages bit. |
| * HTM is always enabled because TCG does implement HTM, it's just a |
| * degenerate implementation. |
| */ |
| static const uint8_t pa_features_207[] = { 24, 0, |
| 0xf6, 0x3f, 0xc7, 0xc0, 0x00, 0xf0, |
| 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, |
| 0x80, 0x00, 0x80, 0x00, 0x80, 0x00 }; |
| |
| static void pnv_chip_power8_dt_populate(PnvChip *chip, void *fdt) |
| { |
| static const char compat[] = "ibm,power8-xscom\0ibm,xscom"; |
| int i; |
| |
| pnv_dt_xscom(chip, fdt, 0, |
| cpu_to_be64(PNV_XSCOM_BASE(chip)), |
| cpu_to_be64(PNV_XSCOM_SIZE), |
| compat, sizeof(compat)); |
| |
| for (i = 0; i < chip->nr_cores; i++) { |
| PnvCore *pnv_core = chip->cores[i]; |
| int offset; |
| |
| offset = pnv_dt_core(chip, pnv_core, fdt); |
| |
| _FDT((fdt_setprop(fdt, offset, "ibm,pa-features", |
| pa_features_207, sizeof(pa_features_207)))); |
| |
| /* Interrupt Control Presenters (ICP). One per core. */ |
| pnv_dt_icp(chip, fdt, pnv_core->hwid, CPU_CORE(pnv_core)->nr_threads); |
| } |
| |
| if (chip->ram_size) { |
| pnv_dt_memory(fdt, chip->chip_id, chip->ram_start, chip->ram_size); |
| } |
| } |
| |
| /* |
| * Same as spapr pa_features_300 except pnv always enables CI largepages bit. |
| */ |
| static const uint8_t pa_features_300[] = { 66, 0, |
| /* 0: MMU|FPU|SLB|RUN|DABR|NX, 1: CILRG|fri[nzpm]|DABRX|SPRG3|SLB0|PP110 */ |
| /* 2: VPM|DS205|PPR|DS202|DS206, 3: LSD|URG, 5: LE|CFAR|EB|LSQ */ |
| 0xf6, 0x3f, 0xc7, 0xc0, 0x00, 0xf0, /* 0 - 5 */ |
| /* 6: DS207 */ |
| 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, /* 6 - 11 */ |
| /* 16: Vector */ |
| 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, /* 12 - 17 */ |
| /* 18: Vec. Scalar, 20: Vec. XOR, 22: HTM */ |
| 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 18 - 23 */ |
| /* 24: Ext. Dec, 26: 64 bit ftrs, 28: PM ftrs */ |
| 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 24 - 29 */ |
| /* 32: LE atomic, 34: EBB + ext EBB */ |
| 0x00, 0x00, 0x80, 0x00, 0xC0, 0x00, /* 30 - 35 */ |
| /* 40: Radix MMU */ |
| 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, /* 36 - 41 */ |
| /* 42: PM, 44: PC RA, 46: SC vec'd */ |
| 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 42 - 47 */ |
| /* 48: SIMD, 50: QP BFP, 52: String */ |
| 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 48 - 53 */ |
| /* 54: DecFP, 56: DecI, 58: SHA */ |
| 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 54 - 59 */ |
| /* 60: NM atomic, 62: RNG */ |
| 0x80, 0x00, 0x80, 0x00, 0x00, 0x00, /* 60 - 65 */ |
| }; |
| |
| static void pnv_chip_power9_dt_populate(PnvChip *chip, void *fdt) |
| { |
| static const char compat[] = "ibm,power9-xscom\0ibm,xscom"; |
| int i; |
| |
| pnv_dt_xscom(chip, fdt, 0, |
| cpu_to_be64(PNV9_XSCOM_BASE(chip)), |
| cpu_to_be64(PNV9_XSCOM_SIZE), |
| compat, sizeof(compat)); |
| |
| for (i = 0; i < chip->nr_cores; i++) { |
| PnvCore *pnv_core = chip->cores[i]; |
| int offset; |
| |
| offset = pnv_dt_core(chip, pnv_core, fdt); |
| |
| _FDT((fdt_setprop(fdt, offset, "ibm,pa-features", |
| pa_features_300, sizeof(pa_features_300)))); |
| } |
| |
| if (chip->ram_size) { |
| pnv_dt_memory(fdt, chip->chip_id, chip->ram_start, chip->ram_size); |
| } |
| |
| pnv_dt_lpc(chip, fdt, 0, PNV9_LPCM_BASE(chip), PNV9_LPCM_SIZE); |
| } |
| |
| /* |
| * Same as spapr pa_features_31 except pnv always enables CI largepages bit, |
| * always disables copy/paste. |
| */ |
| static const uint8_t pa_features_31[] = { 74, 0, |
| /* 0: MMU|FPU|SLB|RUN|DABR|NX, 1: CILRG|fri[nzpm]|DABRX|SPRG3|SLB0|PP110 */ |
| /* 2: VPM|DS205|PPR|DS202|DS206, 3: LSD|URG, 5: LE|CFAR|EB|LSQ */ |
| 0xf6, 0x3f, 0xc7, 0xc0, 0x00, 0xf0, /* 0 - 5 */ |
| /* 6: DS207 */ |
| 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, /* 6 - 11 */ |
| /* 16: Vector */ |
| 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, /* 12 - 17 */ |
| /* 18: Vec. Scalar, 20: Vec. XOR */ |
| 0x80, 0x00, 0x80, 0x00, 0x00, 0x00, /* 18 - 23 */ |
| /* 24: Ext. Dec, 26: 64 bit ftrs, 28: PM ftrs */ |
| 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 24 - 29 */ |
| /* 32: LE atomic, 34: EBB + ext EBB */ |
| 0x00, 0x00, 0x80, 0x00, 0xC0, 0x00, /* 30 - 35 */ |
| /* 40: Radix MMU */ |
| 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, /* 36 - 41 */ |
| /* 42: PM, 44: PC RA, 46: SC vec'd */ |
| 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 42 - 47 */ |
| /* 48: SIMD, 50: QP BFP, 52: String */ |
| 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 48 - 53 */ |
| /* 54: DecFP, 56: DecI, 58: SHA */ |
| 0x80, 0x00, 0x80, 0x00, 0x80, 0x00, /* 54 - 59 */ |
| /* 60: NM atomic, 62: RNG */ |
| 0x80, 0x00, 0x80, 0x00, 0x00, 0x00, /* 60 - 65 */ |
| /* 68: DEXCR[SBHE|IBRTPDUS|SRAPD|NPHIE|PHIE] */ |
| 0x00, 0x00, 0xce, 0x00, 0x00, 0x00, /* 66 - 71 */ |
| /* 72: [P]HASHST/[P]HASHCHK */ |
| 0x80, 0x00, /* 72 - 73 */ |
| }; |
| |
| static void pnv_chip_power10_dt_populate(PnvChip *chip, void *fdt) |
| { |
| static const char compat[] = "ibm,power10-xscom\0ibm,xscom"; |
| int i; |
| |
| pnv_dt_xscom(chip, fdt, 0, |
| cpu_to_be64(PNV10_XSCOM_BASE(chip)), |
| cpu_to_be64(PNV10_XSCOM_SIZE), |
| compat, sizeof(compat)); |
| |
| for (i = 0; i < chip->nr_cores; i++) { |
| PnvCore *pnv_core = chip->cores[i]; |
| int offset; |
| |
| offset = pnv_dt_core(chip, pnv_core, fdt); |
| |
| _FDT((fdt_setprop(fdt, offset, "ibm,pa-features", |
| pa_features_31, sizeof(pa_features_31)))); |
| } |
| |
| if (chip->ram_size) { |
| pnv_dt_memory(fdt, chip->chip_id, chip->ram_start, chip->ram_size); |
| } |
| |
| pnv_dt_lpc(chip, fdt, 0, PNV10_LPCM_BASE(chip), PNV10_LPCM_SIZE); |
| } |
| |
| static void pnv_dt_rtc(ISADevice *d, void *fdt, int lpc_off) |
| { |
| uint32_t io_base = d->ioport_id; |
| uint32_t io_regs[] = { |
| cpu_to_be32(1), |
| cpu_to_be32(io_base), |
| cpu_to_be32(2) |
| }; |
| char *name; |
| int node; |
| |
| name = g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d)), io_base); |
| node = fdt_add_subnode(fdt, lpc_off, name); |
| _FDT(node); |
| g_free(name); |
| |
| _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs)))); |
| _FDT((fdt_setprop_string(fdt, node, "compatible", "pnpPNP,b00"))); |
| } |
| |
| static void pnv_dt_serial(ISADevice *d, void *fdt, int lpc_off) |
| { |
| const char compatible[] = "ns16550\0pnpPNP,501"; |
| uint32_t io_base = d->ioport_id; |
| uint32_t io_regs[] = { |
| cpu_to_be32(1), |
| cpu_to_be32(io_base), |
| cpu_to_be32(8) |
| }; |
| uint32_t irq; |
| char *name; |
| int node; |
| |
| irq = object_property_get_uint(OBJECT(d), "irq", &error_fatal); |
| |
| name = g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d)), io_base); |
| node = fdt_add_subnode(fdt, lpc_off, name); |
| _FDT(node); |
| g_free(name); |
| |
| _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs)))); |
| _FDT((fdt_setprop(fdt, node, "compatible", compatible, |
| sizeof(compatible)))); |
| |
| _FDT((fdt_setprop_cell(fdt, node, "clock-frequency", 1843200))); |
| _FDT((fdt_setprop_cell(fdt, node, "current-speed", 115200))); |
| _FDT((fdt_setprop_cell(fdt, node, "interrupts", irq))); |
| _FDT((fdt_setprop_cell(fdt, node, "interrupt-parent", |
| fdt_get_phandle(fdt, lpc_off)))); |
| |
| /* This is needed by Linux */ |
| _FDT((fdt_setprop_string(fdt, node, "device_type", "serial"))); |
| } |
| |
| static void pnv_dt_ipmi_bt(ISADevice *d, void *fdt, int lpc_off) |
| { |
| const char compatible[] = "bt\0ipmi-bt"; |
| uint32_t io_base; |
| uint32_t io_regs[] = { |
| cpu_to_be32(1), |
| 0, /* 'io_base' retrieved from the 'ioport' property of 'isa-ipmi-bt' */ |
| cpu_to_be32(3) |
| }; |
| uint32_t irq; |
| char *name; |
| int node; |
| |
| io_base = object_property_get_int(OBJECT(d), "ioport", &error_fatal); |
| io_regs[1] = cpu_to_be32(io_base); |
| |
| irq = object_property_get_int(OBJECT(d), "irq", &error_fatal); |
| |
| name = g_strdup_printf("%s@i%x", qdev_fw_name(DEVICE(d)), io_base); |
| node = fdt_add_subnode(fdt, lpc_off, name); |
| _FDT(node); |
| g_free(name); |
| |
| _FDT((fdt_setprop(fdt, node, "reg", io_regs, sizeof(io_regs)))); |
| _FDT((fdt_setprop(fdt, node, "compatible", compatible, |
| sizeof(compatible)))); |
| |
| /* Mark it as reserved to avoid Linux trying to claim it */ |
| _FDT((fdt_setprop_string(fdt, node, "status", "reserved"))); |
| _FDT((fdt_setprop_cell(fdt, node, "interrupts", irq))); |
| _FDT((fdt_setprop_cell(fdt, node, "interrupt-parent", |
| fdt_get_phandle(fdt, lpc_off)))); |
| } |
| |
| typedef struct ForeachPopulateArgs { |
| void *fdt; |
| int offset; |
| } ForeachPopulateArgs; |
| |
| static int pnv_dt_isa_device(DeviceState *dev, void *opaque) |
| { |
| ForeachPopulateArgs *args = opaque; |
| ISADevice *d = ISA_DEVICE(dev); |
| |
| if (object_dynamic_cast(OBJECT(dev), TYPE_MC146818_RTC)) { |
| pnv_dt_rtc(d, args->fdt, args->offset); |
| } else if (object_dynamic_cast(OBJECT(dev), TYPE_ISA_SERIAL)) { |
| pnv_dt_serial(d, args->fdt, args->offset); |
| } else if (object_dynamic_cast(OBJECT(dev), "isa-ipmi-bt")) { |
| pnv_dt_ipmi_bt(d, args->fdt, args->offset); |
| } else { |
| error_report("unknown isa device %s@i%x", qdev_fw_name(dev), |
| d->ioport_id); |
| } |
| |
| return 0; |
| } |
| |
| /* |
| * The default LPC bus of a multichip system is on chip 0. It's |
| * recognized by the firmware (skiboot) using a "primary" property. |
| */ |
| static void pnv_dt_isa(PnvMachineState *pnv, void *fdt) |
| { |
| int isa_offset = fdt_path_offset(fdt, pnv->chips[0]->dt_isa_nodename); |
| ForeachPopulateArgs args = { |
| .fdt = fdt, |
| .offset = isa_offset, |
| }; |
| uint32_t phandle; |
| |
| _FDT((fdt_setprop(fdt, isa_offset, "primary", NULL, 0))); |
| |
| phandle = qemu_fdt_alloc_phandle(fdt); |
| assert(phandle > 0); |
| _FDT((fdt_setprop_cell(fdt, isa_offset, "phandle", phandle))); |
| |
| /* |
| * ISA devices are not necessarily parented to the ISA bus so we |
| * can not use object_child_foreach() |
| */ |
| qbus_walk_children(BUS(pnv->isa_bus), pnv_dt_isa_device, NULL, NULL, NULL, |
| &args); |
| } |
| |
| static void pnv_dt_power_mgt(PnvMachineState *pnv, void *fdt) |
| { |
| int off; |
| |
| off = fdt_add_subnode(fdt, 0, "ibm,opal"); |
| off = fdt_add_subnode(fdt, off, "power-mgt"); |
| |
| _FDT(fdt_setprop_cell(fdt, off, "ibm,enabled-stop-levels", 0xc0000000)); |
| } |
| |
| static void *pnv_dt_create(MachineState *machine) |
| { |
| PnvMachineClass *pmc = PNV_MACHINE_GET_CLASS(machine); |
| PnvMachineState *pnv = PNV_MACHINE(machine); |
| void *fdt; |
| char *buf; |
| int off; |
| int i; |
| |
| fdt = g_malloc0(FDT_MAX_SIZE); |
| _FDT((fdt_create_empty_tree(fdt, FDT_MAX_SIZE))); |
| |
| /* /qemu node */ |
| _FDT((fdt_add_subnode(fdt, 0, "qemu"))); |
| |
| /* Root node */ |
| _FDT((fdt_setprop_cell(fdt, 0, "#address-cells", 0x2))); |
| _FDT((fdt_setprop_cell(fdt, 0, "#size-cells", 0x2))); |
| _FDT((fdt_setprop_string(fdt, 0, "model", |
| "IBM PowerNV (emulated by qemu)"))); |
| _FDT((fdt_setprop(fdt, 0, "compatible", pmc->compat, pmc->compat_size))); |
| |
| buf = qemu_uuid_unparse_strdup(&qemu_uuid); |
| _FDT((fdt_setprop_string(fdt, 0, "vm,uuid", buf))); |
| if (qemu_uuid_set) { |
| _FDT((fdt_setprop_string(fdt, 0, "system-id", buf))); |
| } |
| g_free(buf); |
| |
| off = fdt_add_subnode(fdt, 0, "chosen"); |
| if (machine->kernel_cmdline) { |
| _FDT((fdt_setprop_string(fdt, off, "bootargs", |
| machine->kernel_cmdline))); |
| } |
| |
| if (pnv->initrd_size) { |
| uint32_t start_prop = cpu_to_be32(pnv->initrd_base); |
| uint32_t end_prop = cpu_to_be32(pnv->initrd_base + pnv->initrd_size); |
| |
| _FDT((fdt_setprop(fdt, off, "linux,initrd-start", |
| &start_prop, sizeof(start_prop)))); |
| _FDT((fdt_setprop(fdt, off, "linux,initrd-end", |
| &end_prop, sizeof(end_prop)))); |
| } |
| |
| /* Populate device tree for each chip */ |
| for (i = 0; i < pnv->num_chips; i++) { |
| PNV_CHIP_GET_CLASS(pnv->chips[i])->dt_populate(pnv->chips[i], fdt); |
| } |
| |
| /* Populate ISA devices on chip 0 */ |
| pnv_dt_isa(pnv, fdt); |
| |
| if (pnv->bmc) { |
| pnv_dt_bmc_sensors(pnv->bmc, fdt); |
| } |
| |
| /* Create an extra node for power management on machines that support it */ |
| if (pmc->dt_power_mgt) { |
| pmc->dt_power_mgt(pnv, fdt); |
| } |
| |
| return fdt; |
| } |
| |
| static void pnv_powerdown_notify(Notifier *n, void *opaque) |
| { |
| PnvMachineState *pnv = container_of(n, PnvMachineState, powerdown_notifier); |
| |
| if (pnv->bmc) { |
| pnv_bmc_powerdown(pnv->bmc); |
| } |
| } |
| |
| static void pnv_reset(MachineState *machine, ShutdownCause reason) |
| { |
| PnvMachineState *pnv = PNV_MACHINE(machine); |
| IPMIBmc *bmc; |
| void *fdt; |
| |
| qemu_devices_reset(reason); |
| |
| /* |
| * The machine should provide by default an internal BMC simulator. |
| * If not, try to use the BMC device that was provided on the command |
| * line. |
| */ |
| bmc = pnv_bmc_find(&error_fatal); |
| if (!pnv->bmc) { |
| if (!bmc) { |
| if (!qtest_enabled()) { |
| warn_report("machine has no BMC device. Use '-device " |
| "ipmi-bmc-sim,id=bmc0 -device isa-ipmi-bt,bmc=bmc0,irq=10' " |
| "to define one"); |
| } |
| } else { |
| pnv_bmc_set_pnor(bmc, pnv->pnor); |
| pnv->bmc = bmc; |
| } |
| } |
| |
| fdt = pnv_dt_create(machine); |
| |
| /* Pack resulting tree */ |
| _FDT((fdt_pack(fdt))); |
| |
| qemu_fdt_dumpdtb(fdt, fdt_totalsize(fdt)); |
| cpu_physical_memory_write(PNV_FDT_ADDR, fdt, fdt_totalsize(fdt)); |
| |
| /* |
| * Set machine->fdt for 'dumpdtb' QMP/HMP command. Free |
| * the existing machine->fdt to avoid leaking it during |
| * a reset. |
| */ |
| g_free(machine->fdt); |
| machine->fdt = fdt; |
| } |
| |
| static ISABus *pnv_chip_power8_isa_create(PnvChip *chip, Error **errp) |
| { |
| Pnv8Chip *chip8 = PNV8_CHIP(chip); |
| qemu_irq irq = qdev_get_gpio_in(DEVICE(&chip8->psi), PSIHB_IRQ_EXTERNAL); |
| |
| qdev_connect_gpio_out(DEVICE(&chip8->lpc), 0, irq); |
| return pnv_lpc_isa_create(&chip8->lpc, true, errp); |
| } |
| |
| static ISABus *pnv_chip_power8nvl_isa_create(PnvChip *chip, Error **errp) |
| { |
| Pnv8Chip *chip8 = PNV8_CHIP(chip); |
| qemu_irq irq = qdev_get_gpio_in(DEVICE(&chip8->psi), PSIHB_IRQ_LPC_I2C); |
| |
| qdev_connect_gpio_out(DEVICE(&chip8->lpc), 0, irq); |
| return pnv_lpc_isa_create(&chip8->lpc, false, errp); |
| } |
| |
| static ISABus *pnv_chip_power9_isa_create(PnvChip *chip, Error **errp) |
| { |
| Pnv9Chip *chip9 = PNV9_CHIP(chip); |
| qemu_irq irq = qdev_get_gpio_in(DEVICE(&chip9->psi), PSIHB9_IRQ_LPCHC); |
| |
| qdev_connect_gpio_out(DEVICE(&chip9->lpc), 0, irq); |
| return pnv_lpc_isa_create(&chip9->lpc, false, errp); |
| } |
| |
| static ISABus *pnv_chip_power10_isa_create(PnvChip *chip, Error **errp) |
| { |
| Pnv10Chip *chip10 = PNV10_CHIP(chip); |
| qemu_irq irq = qdev_get_gpio_in(DEVICE(&chip10->psi), PSIHB9_IRQ_LPCHC); |
| |
| qdev_connect_gpio_out(DEVICE(&chip10->lpc), 0, irq); |
| return pnv_lpc_isa_create(&chip10->lpc, false, errp); |
| } |
| |
| static ISABus *pnv_isa_create(PnvChip *chip, Error **errp) |
| { |
| return PNV_CHIP_GET_CLASS(chip)->isa_create(chip, errp); |
| } |
| |
| static void pnv_chip_power8_pic_print_info(PnvChip *chip, Monitor *mon) |
| { |
| Pnv8Chip *chip8 = PNV8_CHIP(chip); |
| int i; |
| |
| ics_pic_print_info(&chip8->psi.ics, mon); |
| |
| for (i = 0; i < chip8->num_phbs; i++) { |
| PnvPHB *phb = chip8->phbs[i]; |
| PnvPHB3 *phb3 = PNV_PHB3(phb->backend); |
| |
| pnv_phb3_msi_pic_print_info(&phb3->msis, mon); |
| ics_pic_print_info(&phb3->lsis, mon); |
| } |
| } |
| |
| static int pnv_chip_power9_pic_print_info_child(Object *child, void *opaque) |
| { |
| Monitor *mon = opaque; |
| PnvPHB *phb = (PnvPHB *) object_dynamic_cast(child, TYPE_PNV_PHB); |
| |
| if (!phb) { |
| return 0; |
| } |
| |
| pnv_phb4_pic_print_info(PNV_PHB4(phb->backend), mon); |
| |
| return 0; |
| } |
| |
| static void pnv_chip_power9_pic_print_info(PnvChip *chip, Monitor *mon) |
| { |
| Pnv9Chip *chip9 = PNV9_CHIP(chip); |
| |
| pnv_xive_pic_print_info(&chip9->xive, mon); |
| pnv_psi_pic_print_info(&chip9->psi, mon); |
| |
| object_child_foreach_recursive(OBJECT(chip), |
| pnv_chip_power9_pic_print_info_child, mon); |
| } |
| |
| static uint64_t pnv_chip_power8_xscom_core_base(PnvChip *chip, |
| uint32_t core_id) |
| { |
| return PNV_XSCOM_EX_BASE(core_id); |
| } |
| |
| static uint64_t pnv_chip_power9_xscom_core_base(PnvChip *chip, |
| uint32_t core_id) |
| { |
| return PNV9_XSCOM_EC_BASE(core_id); |
| } |
| |
| static uint64_t pnv_chip_power10_xscom_core_base(PnvChip *chip, |
| uint32_t core_id) |
| { |
| return PNV10_XSCOM_EC_BASE(core_id); |
| } |
| |
| static bool pnv_match_cpu(const char *default_type, const char *cpu_type) |
| { |
| PowerPCCPUClass *ppc_default = |
| POWERPC_CPU_CLASS(object_class_by_name(default_type)); |
| PowerPCCPUClass *ppc = |
| POWERPC_CPU_CLASS(object_class_by_name(cpu_type)); |
| |
| return ppc_default->pvr_match(ppc_default, ppc->pvr, false); |
| } |
| |
| static void pnv_ipmi_bt_init(ISABus *bus, IPMIBmc *bmc, uint32_t irq) |
| { |
| ISADevice *dev = isa_new("isa-ipmi-bt"); |
| |
| object_property_set_link(OBJECT(dev), "bmc", OBJECT(bmc), &error_fatal); |
| object_property_set_int(OBJECT(dev), "irq", irq, &error_fatal); |
| isa_realize_and_unref(dev, bus, &error_fatal); |
| } |
| |
| static void pnv_chip_power10_pic_print_info(PnvChip *chip, Monitor *mon) |
| { |
| Pnv10Chip *chip10 = PNV10_CHIP(chip); |
| |
| pnv_xive2_pic_print_info(&chip10->xive, mon); |
| pnv_psi_pic_print_info(&chip10->psi, mon); |
| |
| object_child_foreach_recursive(OBJECT(chip), |
| pnv_chip_power9_pic_print_info_child, mon); |
| } |
| |
| /* Always give the first 1GB to chip 0 else we won't boot */ |
| static uint64_t pnv_chip_get_ram_size(PnvMachineState *pnv, int chip_id) |
| { |
| MachineState *machine = MACHINE(pnv); |
| uint64_t ram_per_chip; |
| |
| assert(machine->ram_size >= 1 * GiB); |
| |
| ram_per_chip = machine->ram_size / pnv->num_chips; |
| if (ram_per_chip >= 1 * GiB) { |
| return QEMU_ALIGN_DOWN(ram_per_chip, 1 * MiB); |
| } |
| |
| assert(pnv->num_chips > 1); |
| |
| ram_per_chip = (machine->ram_size - 1 * GiB) / (pnv->num_chips - 1); |
| return chip_id == 0 ? 1 * GiB : QEMU_ALIGN_DOWN(ram_per_chip, 1 * MiB); |
| } |
| |
| static void pnv_init(MachineState *machine) |
| { |
| const char *bios_name = machine->firmware ?: FW_FILE_NAME; |
| PnvMachineState *pnv = PNV_MACHINE(machine); |
| MachineClass *mc = MACHINE_GET_CLASS(machine); |
| PnvMachineClass *pmc = PNV_MACHINE_GET_CLASS(machine); |
| char *fw_filename; |
| long fw_size; |
| uint64_t chip_ram_start = 0; |
| int i; |
| char *chip_typename; |
| DriveInfo *pnor = drive_get(IF_MTD, 0, 0); |
| DeviceState *dev; |
| |
| if (kvm_enabled()) { |
| error_report("machine %s does not support the KVM accelerator", |
| mc->name); |
| exit(EXIT_FAILURE); |
| } |
| |
| /* allocate RAM */ |
| if (machine->ram_size < mc->default_ram_size) { |
| char *sz = size_to_str(mc->default_ram_size); |
| error_report("Invalid RAM size, should be bigger than %s", sz); |
| g_free(sz); |
| exit(EXIT_FAILURE); |
| } |
| memory_region_add_subregion(get_system_memory(), 0, machine->ram); |
| |
| /* |
| * Create our simple PNOR device |
| */ |
| dev = qdev_new(TYPE_PNV_PNOR); |
| if (pnor) { |
| qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(pnor)); |
| } |
| sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); |
| pnv->pnor = PNV_PNOR(dev); |
| |
| /* load skiboot firmware */ |
| fw_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); |
| if (!fw_filename) { |
| error_report("Could not find OPAL firmware '%s'", bios_name); |
| exit(1); |
| } |
| |
| fw_size = load_image_targphys(fw_filename, pnv->fw_load_addr, FW_MAX_SIZE); |
| if (fw_size < 0) { |
| error_report("Could not load OPAL firmware '%s'", fw_filename); |
| exit(1); |
| } |
| g_free(fw_filename); |
| |
| /* load kernel */ |
| if (machine->kernel_filename) { |
| long kernel_size; |
| |
| kernel_size = load_image_targphys(machine->kernel_filename, |
| KERNEL_LOAD_ADDR, KERNEL_MAX_SIZE); |
| if (kernel_size < 0) { |
| error_report("Could not load kernel '%s'", |
| machine->kernel_filename); |
| exit(1); |
| } |
| } |
| |
| /* load initrd */ |
| if (machine->initrd_filename) { |
| pnv->initrd_base = INITRD_LOAD_ADDR; |
| pnv->initrd_size = load_image_targphys(machine->initrd_filename, |
| pnv->initrd_base, INITRD_MAX_SIZE); |
| if (pnv->initrd_size < 0) { |
| error_report("Could not load initial ram disk '%s'", |
| machine->initrd_filename); |
| exit(1); |
| } |
| } |
| |
| /* MSIs are supported on this platform */ |
| msi_nonbroken = true; |
| |
| /* |
| * Check compatibility of the specified CPU with the machine |
| * default. |
| */ |
| if (!pnv_match_cpu(mc->default_cpu_type, machine->cpu_type)) { |
| error_report("invalid CPU model '%s' for %s machine", |
| machine->cpu_type, mc->name); |
| exit(1); |
| } |
| |
| /* Create the processor chips */ |
| i = strlen(machine->cpu_type) - strlen(POWERPC_CPU_TYPE_SUFFIX); |
| chip_typename = g_strdup_printf(PNV_CHIP_TYPE_NAME("%.*s"), |
| i, machine->cpu_type); |
| if (!object_class_by_name(chip_typename)) { |
| error_report("invalid chip model '%.*s' for %s machine", |
| i, machine->cpu_type, mc->name); |
| exit(1); |
| } |
| |
| pnv->num_chips = |
| machine->smp.max_cpus / (machine->smp.cores * machine->smp.threads); |
| |
| if (machine->smp.threads > 8) { |
| error_report("Cannot support more than 8 threads/core " |
| "on a powernv machine"); |
| exit(1); |
| } |
| if (!is_power_of_2(machine->smp.threads)) { |
| error_report("Cannot support %d threads/core on a powernv" |
| "machine because it must be a power of 2", |
| machine->smp.threads); |
| exit(1); |
| } |
| /* |
| * TODO: should we decide on how many chips we can create based |
| * on #cores and Venice vs. Murano vs. Naples chip type etc..., |
| */ |
| if (!is_power_of_2(pnv->num_chips) || pnv->num_chips > 16) { |
| error_report("invalid number of chips: '%d'", pnv->num_chips); |
| error_printf( |
| "Try '-smp sockets=N'. Valid values are : 1, 2, 4, 8 and 16.\n"); |
| exit(1); |
| } |
| |
| pnv->chips = g_new0(PnvChip *, pnv->num_chips); |
| for (i = 0; i < pnv->num_chips; i++) { |
| char chip_name[32]; |
| Object *chip = OBJECT(qdev_new(chip_typename)); |
| uint64_t chip_ram_size = pnv_chip_get_ram_size(pnv, i); |
| |
| pnv->chips[i] = PNV_CHIP(chip); |
| |
| /* Distribute RAM among the chips */ |
| object_property_set_int(chip, "ram-start", chip_ram_start, |
| &error_fatal); |
| object_property_set_int(chip, "ram-size", chip_ram_size, |
| &error_fatal); |
| chip_ram_start += chip_ram_size; |
| |
| snprintf(chip_name, sizeof(chip_name), "chip[%d]", i); |
| object_property_add_child(OBJECT(pnv), chip_name, chip); |
| object_property_set_int(chip, "chip-id", i, &error_fatal); |
| object_property_set_int(chip, "nr-cores", machine->smp.cores, |
| &error_fatal); |
| object_property_set_int(chip, "nr-threads", machine->smp.threads, |
| &error_fatal); |
| /* |
| * The POWER8 machine use the XICS interrupt interface. |
| * Propagate the XICS fabric to the chip and its controllers. |
| */ |
| if (object_dynamic_cast(OBJECT(pnv), TYPE_XICS_FABRIC)) { |
| object_property_set_link(chip, "xics", OBJECT(pnv), &error_abort); |
| } |
| if (object_dynamic_cast(OBJECT(pnv), TYPE_XIVE_FABRIC)) { |
| object_property_set_link(chip, "xive-fabric", OBJECT(pnv), |
| &error_abort); |
| } |
| sysbus_realize_and_unref(SYS_BUS_DEVICE(chip), &error_fatal); |
| } |
| g_free(chip_typename); |
| |
| /* Instantiate ISA bus on chip 0 */ |
| pnv->isa_bus = pnv_isa_create(pnv->chips[0], &error_fatal); |
| |
| /* Create serial port */ |
| serial_hds_isa_init(pnv->isa_bus, 0, MAX_ISA_SERIAL_PORTS); |
| |
| /* Create an RTC ISA device too */ |
| mc146818_rtc_init(pnv->isa_bus, 2000, NULL); |
| |
| /* |
| * Create the machine BMC simulator and the IPMI BT device for |
| * communication with the BMC |
| */ |
| if (defaults_enabled()) { |
| pnv->bmc = pnv_bmc_create(pnv->pnor); |
| pnv_ipmi_bt_init(pnv->isa_bus, pnv->bmc, 10); |
| } |
| |
| /* |
| * The PNOR is mapped on the LPC FW address space by the BMC. |
| * Since we can not reach the remote BMC machine with LPC memops, |
| * map it always for now. |
| */ |
| memory_region_add_subregion(pnv->chips[0]->fw_mr, PNOR_SPI_OFFSET, |
| &pnv->pnor->mmio); |
| |
| /* |
| * OpenPOWER systems use a IPMI SEL Event message to notify the |
| * host to powerdown |
| */ |
| pnv->powerdown_notifier.notify = pnv_powerdown_notify; |
| qemu_register_powerdown_notifier(&pnv->powerdown_notifier); |
| |
| /* |
| * Create/Connect any machine-specific I2C devices |
| */ |
| if (pmc->i2c_init) { |
| pmc->i2c_init(pnv); |
| } |
| } |
| |
| /* |
| * 0:21 Reserved - Read as zeros |
| * 22:24 Chip ID |
| * 25:28 Core number |
| * 29:31 Thread ID |
| */ |
| static uint32_t pnv_chip_pir_p8(PnvChip *chip, uint32_t core_id, |
| uint32_t thread_id) |
| { |
| return (chip->chip_id << 7) | (core_id << 3) | thread_id; |
| } |
| |
| static void pnv_chip_power8_intc_create(PnvChip *chip, PowerPCCPU *cpu, |
| Error **errp) |
| { |
| Pnv8Chip *chip8 = PNV8_CHIP(chip); |
| Error *local_err = NULL; |
| Object *obj; |
| PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); |
| |
| obj = icp_create(OBJECT(cpu), TYPE_PNV_ICP, chip8->xics, &local_err); |
| if (local_err) { |
| error_propagate(errp, local_err); |
| return; |
| } |
| |
| pnv_cpu->intc = obj; |
| } |
| |
| |
| static void pnv_chip_power8_intc_reset(PnvChip *chip, PowerPCCPU *cpu) |
| { |
| PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); |
| |
| icp_reset(ICP(pnv_cpu->intc)); |
| } |
| |
| static void pnv_chip_power8_intc_destroy(PnvChip *chip, PowerPCCPU *cpu) |
| { |
| PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); |
| |
| icp_destroy(ICP(pnv_cpu->intc)); |
| pnv_cpu->intc = NULL; |
| } |
| |
| static void pnv_chip_power8_intc_print_info(PnvChip *chip, PowerPCCPU *cpu, |
| Monitor *mon) |
| { |
| icp_pic_print_info(ICP(pnv_cpu_state(cpu)->intc), mon); |
| } |
| |
| /* |
| * 0:48 Reserved - Read as zeroes |
| * 49:52 Node ID |
| * 53:55 Chip ID |
| * 56 Reserved - Read as zero |
| * 57:61 Core number |
| * 62:63 Thread ID |
| * |
| * We only care about the lower bits. uint32_t is fine for the moment. |
| */ |
| static uint32_t pnv_chip_pir_p9(PnvChip *chip, uint32_t core_id, |
| uint32_t thread_id) |
| { |
| if (chip->nr_threads == 8) { |
| return (chip->chip_id << 8) | ((thread_id & 1) << 2) | (core_id << 3) | |
| (thread_id >> 1); |
| } else { |
| return (chip->chip_id << 8) | (core_id << 2) | thread_id; |
| } |
| } |
| |
| /* |
| * 0:48 Reserved - Read as zeroes |
| * 49:52 Node ID |
| * 53:55 Chip ID |
| * 56 Reserved - Read as zero |
| * 57:59 Quad ID |
| * 60 Core Chiplet Pair ID |
| * 61:63 Thread/Core Chiplet ID t0-t2 |
| * |
| * We only care about the lower bits. uint32_t is fine for the moment. |
| */ |
| static uint32_t pnv_chip_pir_p10(PnvChip *chip, uint32_t core_id, |
| uint32_t thread_id) |
| { |
| if (chip->nr_threads == 8) { |
| return (chip->chip_id << 8) | ((core_id / 4) << 4) | |
| ((core_id % 2) << 3) | thread_id; |
| } else { |
| return (chip->chip_id << 8) | (core_id << 2) | thread_id; |
| } |
| } |
| |
| static void pnv_chip_power9_intc_create(PnvChip *chip, PowerPCCPU *cpu, |
| Error **errp) |
| { |
| Pnv9Chip *chip9 = PNV9_CHIP(chip); |
| Error *local_err = NULL; |
| Object *obj; |
| PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); |
| |
| /* |
| * The core creates its interrupt presenter but the XIVE interrupt |
| * controller object is initialized afterwards. Hopefully, it's |
| * only used at runtime. |
| */ |
| obj = xive_tctx_create(OBJECT(cpu), XIVE_PRESENTER(&chip9->xive), |
| &local_err); |
| if (local_err) { |
| error_propagate(errp, local_err); |
| return; |
| } |
| |
| pnv_cpu->intc = obj; |
| } |
| |
| static void pnv_chip_power9_intc_reset(PnvChip *chip, PowerPCCPU *cpu) |
| { |
| PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); |
| |
| xive_tctx_reset(XIVE_TCTX(pnv_cpu->intc)); |
| } |
| |
| static void pnv_chip_power9_intc_destroy(PnvChip *chip, PowerPCCPU *cpu) |
| { |
| PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); |
| |
| xive_tctx_destroy(XIVE_TCTX(pnv_cpu->intc)); |
| pnv_cpu->intc = NULL; |
| } |
| |
| static void pnv_chip_power9_intc_print_info(PnvChip *chip, PowerPCCPU *cpu, |
| Monitor *mon) |
| { |
| xive_tctx_pic_print_info(XIVE_TCTX(pnv_cpu_state(cpu)->intc), mon); |
| } |
| |
| static void pnv_chip_power10_intc_create(PnvChip *chip, PowerPCCPU *cpu, |
| Error **errp) |
| { |
| Pnv10Chip *chip10 = PNV10_CHIP(chip); |
| Error *local_err = NULL; |
| Object *obj; |
| PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); |
| |
| /* |
| * The core creates its interrupt presenter but the XIVE2 interrupt |
| * controller object is initialized afterwards. Hopefully, it's |
| * only used at runtime. |
| */ |
| obj = xive_tctx_create(OBJECT(cpu), XIVE_PRESENTER(&chip10->xive), |
| &local_err); |
| if (local_err) { |
| error_propagate(errp, local_err); |
| return; |
| } |
| |
| pnv_cpu->intc = obj; |
| } |
| |
| static void pnv_chip_power10_intc_reset(PnvChip *chip, PowerPCCPU *cpu) |
| { |
| PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); |
| |
| xive_tctx_reset(XIVE_TCTX(pnv_cpu->intc)); |
| } |
| |
| static void pnv_chip_power10_intc_destroy(PnvChip *chip, PowerPCCPU *cpu) |
| { |
| PnvCPUState *pnv_cpu = pnv_cpu_state(cpu); |
| |
| xive_tctx_destroy(XIVE_TCTX(pnv_cpu->intc)); |
| pnv_cpu->intc = NULL; |
| } |
| |
| static void pnv_chip_power10_intc_print_info(PnvChip *chip, PowerPCCPU *cpu, |
| Monitor *mon) |
| { |
| xive_tctx_pic_print_info(XIVE_TCTX(pnv_cpu_state(cpu)->intc), mon); |
| } |
| |
| /* |
| * Allowed core identifiers on a POWER8 Processor Chip : |
| * |
| * <EX0 reserved> |
| * EX1 - Venice only |
| * EX2 - Venice only |
| * EX3 - Venice only |
| * EX4 |
| * EX5 |
| * EX6 |
| * <EX7,8 reserved> <reserved> |
| * EX9 - Venice only |
| * EX10 - Venice only |
| * EX11 - Venice only |
| * EX12 |
| * EX13 |
| * EX14 |
| * <EX15 reserved> |
| */ |
| #define POWER8E_CORE_MASK (0x7070ull) |
| #define POWER8_CORE_MASK (0x7e7eull) |
| |
| /* |
| * POWER9 has 24 cores, ids starting at 0x0 |
| */ |
| #define POWER9_CORE_MASK (0xffffffffffffffull) |
| |
| |
| #define POWER10_CORE_MASK (0xffffffffffffffull) |
| |
| static void pnv_chip_power8_instance_init(Object *obj) |
| { |
| Pnv8Chip *chip8 = PNV8_CHIP(obj); |
| PnvChipClass *pcc = PNV_CHIP_GET_CLASS(obj); |
| int i; |
| |
| object_property_add_link(obj, "xics", TYPE_XICS_FABRIC, |
| (Object **)&chip8->xics, |
| object_property_allow_set_link, |
| OBJ_PROP_LINK_STRONG); |
| |
| object_initialize_child(obj, "psi", &chip8->psi, TYPE_PNV8_PSI); |
| |
| object_initialize_child(obj, "lpc", &chip8->lpc, TYPE_PNV8_LPC); |
| |
| object_initialize_child(obj, "occ", &chip8->occ, TYPE_PNV8_OCC); |
| |
| object_initialize_child(obj, "homer", &chip8->homer, TYPE_PNV8_HOMER); |
| |
| if (defaults_enabled()) { |
| chip8->num_phbs = pcc->num_phbs; |
| |
| for (i = 0; i < chip8->num_phbs; i++) { |
| Object *phb = object_new(TYPE_PNV_PHB); |
| |
| /* |
| * We need the chip to parent the PHB to allow the DT |
| * to build correctly (via pnv_xscom_dt()). |
| * |
| * TODO: the PHB should be parented by a PEC device that, at |
| * this moment, is not modelled powernv8/phb3. |
| */ |
| object_property_add_child(obj, "phb[*]", phb); |
| chip8->phbs[i] = PNV_PHB(phb); |
| } |
| } |
| |
| } |
| |
| static void pnv_chip_icp_realize(Pnv8Chip *chip8, Error **errp) |
| { |
| PnvChip *chip = PNV_CHIP(chip8); |
| PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip); |
| int i, j; |
| char *name; |
| |
| name = g_strdup_printf("icp-%x", chip->chip_id); |
| memory_region_init(&chip8->icp_mmio, OBJECT(chip), name, PNV_ICP_SIZE); |
| g_free(name); |
| memory_region_add_subregion(get_system_memory(), PNV_ICP_BASE(chip), |
| &chip8->icp_mmio); |
| |
| /* Map the ICP registers for each thread */ |
| for (i = 0; i < chip->nr_cores; i++) { |
| PnvCore *pnv_core = chip->cores[i]; |
| int core_hwid = CPU_CORE(pnv_core)->core_id; |
| |
| for (j = 0; j < CPU_CORE(pnv_core)->nr_threads; j++) { |
| uint32_t pir = pcc->chip_pir(chip, core_hwid, j); |
| PnvICPState *icp = PNV_ICP(xics_icp_get(chip8->xics, pir)); |
| |
| memory_region_add_subregion(&chip8->icp_mmio, pir << 12, |
| &icp->mmio); |
| } |
| } |
| } |
| |
| static void pnv_chip_power8_realize(DeviceState *dev, Error **errp) |
| { |
| PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev); |
| PnvChip *chip = PNV_CHIP(dev); |
| Pnv8Chip *chip8 = PNV8_CHIP(dev); |
| Pnv8Psi *psi8 = &chip8->psi; |
| Error *local_err = NULL; |
| int i; |
| |
| assert(chip8->xics); |
| |
| /* XSCOM bridge is first */ |
| pnv_xscom_init(chip, PNV_XSCOM_SIZE, PNV_XSCOM_BASE(chip)); |
| |
| pcc->parent_realize(dev, &local_err); |
| if (local_err) { |
| error_propagate(errp, local_err); |
| return; |
| } |
| |
| /* Processor Service Interface (PSI) Host Bridge */ |
| object_property_set_int(OBJECT(psi8), "bar", PNV_PSIHB_BASE(chip), |
| &error_fatal); |
| object_property_set_link(OBJECT(psi8), ICS_PROP_XICS, |
| OBJECT(chip8->xics), &error_abort); |
| if (!qdev_realize(DEVICE(psi8), NULL, errp)) { |
| return; |
| } |
| pnv_xscom_add_subregion(chip, PNV_XSCOM_PSIHB_BASE, |
| &PNV_PSI(psi8)->xscom_regs); |
| |
| /* Create LPC controller */ |
| qdev_realize(DEVICE(&chip8->lpc), NULL, &error_fatal); |
| pnv_xscom_add_subregion(chip, PNV_XSCOM_LPC_BASE, &chip8->lpc.xscom_regs); |
| |
| chip->fw_mr = &chip8->lpc.isa_fw; |
| chip->dt_isa_nodename = g_strdup_printf("/xscom@%" PRIx64 "/isa@%x", |
| (uint64_t) PNV_XSCOM_BASE(chip), |
| PNV_XSCOM_LPC_BASE); |
| |
| /* |
| * Interrupt Management Area. This is the memory region holding |
| * all the Interrupt Control Presenter (ICP) registers |
| */ |
| pnv_chip_icp_realize(chip8, &local_err); |
| if (local_err) { |
| error_propagate(errp, local_err); |
| return; |
| } |
| |
| /* Create the simplified OCC model */ |
| if (!qdev_realize(DEVICE(&chip8->occ), NULL, errp)) { |
| return; |
| } |
| pnv_xscom_add_subregion(chip, PNV_XSCOM_OCC_BASE, &chip8->occ.xscom_regs); |
| qdev_connect_gpio_out(DEVICE(&chip8->occ), 0, |
| qdev_get_gpio_in(DEVICE(psi8), PSIHB_IRQ_OCC)); |
| |
| /* OCC SRAM model */ |
| memory_region_add_subregion(get_system_memory(), PNV_OCC_SENSOR_BASE(chip), |
| &chip8->occ.sram_regs); |
| |
| /* HOMER */ |
| object_property_set_link(OBJECT(&chip8->homer), "chip", OBJECT(chip), |
| &error_abort); |
| if (!qdev_realize(DEVICE(&chip8->homer), NULL, errp)) { |
| return; |
| } |
| /* Homer Xscom region */ |
| pnv_xscom_add_subregion(chip, PNV_XSCOM_PBA_BASE, &chip8->homer.pba_regs); |
| |
| /* Homer mmio region */ |
| memory_region_add_subregion(get_system_memory(), PNV_HOMER_BASE(chip), |
| &chip8->homer.regs); |
| |
| /* PHB controllers */ |
| for (i = 0; i < chip8->num_phbs; i++) { |
| PnvPHB *phb = chip8->phbs[i]; |
| |
| object_property_set_int(OBJECT(phb), "index", i, &error_fatal); |
| object_property_set_int(OBJECT(phb), "chip-id", chip->chip_id, |
| &error_fatal); |
| object_property_set_link(OBJECT(phb), "chip", OBJECT(chip), |
| &error_fatal); |
| if (!sysbus_realize(SYS_BUS_DEVICE(phb), errp)) { |
| return; |
| } |
| } |
| } |
| |
| static uint32_t pnv_chip_power8_xscom_pcba(PnvChip *chip, uint64_t addr) |
| { |
| addr &= (PNV_XSCOM_SIZE - 1); |
| return ((addr >> 4) & ~0xfull) | ((addr >> 3) & 0xf); |
| } |
| |
| static void pnv_chip_power8e_class_init(ObjectClass *klass, void *data) |
| { |
| DeviceClass *dc = DEVICE_CLASS(klass); |
| PnvChipClass *k = PNV_CHIP_CLASS(klass); |
| |
| k->chip_cfam_id = 0x221ef04980000000ull; /* P8 Murano DD2.1 */ |
| k->cores_mask = POWER8E_CORE_MASK; |
| k->num_phbs = 3; |
| k->chip_pir = pnv_chip_pir_p8; |
| k->intc_create = pnv_chip_power8_intc_create; |
| k->intc_reset = pnv_chip_power8_intc_reset; |
| k->intc_destroy = pnv_chip_power8_intc_destroy; |
| k->intc_print_info = pnv_chip_power8_intc_print_info; |
| k->isa_create = pnv_chip_power8_isa_create; |
| k->dt_populate = pnv_chip_power8_dt_populate; |
| k->pic_print_info = pnv_chip_power8_pic_print_info; |
| k->xscom_core_base = pnv_chip_power8_xscom_core_base; |
| k->xscom_pcba = pnv_chip_power8_xscom_pcba; |
| dc->desc = "PowerNV Chip POWER8E"; |
| |
| device_class_set_parent_realize(dc, pnv_chip_power8_realize, |
| &k->parent_realize); |
| } |
| |
| static void pnv_chip_power8_class_init(ObjectClass *klass, void *data) |
| { |
| DeviceClass *dc = DEVICE_CLASS(klass); |
| PnvChipClass *k = PNV_CHIP_CLASS(klass); |
| |
| k->chip_cfam_id = 0x220ea04980000000ull; /* P8 Venice DD2.0 */ |
| k->cores_mask = POWER8_CORE_MASK; |
| k->num_phbs = 3; |
| k->chip_pir = pnv_chip_pir_p8; |
| k->intc_create = pnv_chip_power8_intc_create; |
| k->intc_reset = pnv_chip_power8_intc_reset; |
| k->intc_destroy = pnv_chip_power8_intc_destroy; |
| k->intc_print_info = pnv_chip_power8_intc_print_info; |
| k->isa_create = pnv_chip_power8_isa_create; |
| k->dt_populate = pnv_chip_power8_dt_populate; |
| k->pic_print_info = pnv_chip_power8_pic_print_info; |
| k->xscom_core_base = pnv_chip_power8_xscom_core_base; |
| k->xscom_pcba = pnv_chip_power8_xscom_pcba; |
| dc->desc = "PowerNV Chip POWER8"; |
| |
| device_class_set_parent_realize(dc, pnv_chip_power8_realize, |
| &k->parent_realize); |
| } |
| |
| static void pnv_chip_power8nvl_class_init(ObjectClass *klass, void *data) |
| { |
| DeviceClass *dc = DEVICE_CLASS(klass); |
| PnvChipClass *k = PNV_CHIP_CLASS(klass); |
| |
| k->chip_cfam_id = 0x120d304980000000ull; /* P8 Naples DD1.0 */ |
| k->cores_mask = POWER8_CORE_MASK; |
| k->num_phbs = 4; |
| k->chip_pir = pnv_chip_pir_p8; |
| k->intc_create = pnv_chip_power8_intc_create; |
| k->intc_reset = pnv_chip_power8_intc_reset; |
| k->intc_destroy = pnv_chip_power8_intc_destroy; |
| k->intc_print_info = pnv_chip_power8_intc_print_info; |
| k->isa_create = pnv_chip_power8nvl_isa_create; |
| k->dt_populate = pnv_chip_power8_dt_populate; |
| k->pic_print_info = pnv_chip_power8_pic_print_info; |
| k->xscom_core_base = pnv_chip_power8_xscom_core_base; |
| k->xscom_pcba = pnv_chip_power8_xscom_pcba; |
| dc->desc = "PowerNV Chip POWER8NVL"; |
| |
| device_class_set_parent_realize(dc, pnv_chip_power8_realize, |
| &k->parent_realize); |
| } |
| |
| static void pnv_chip_power9_instance_init(Object *obj) |
| { |
| PnvChip *chip = PNV_CHIP(obj); |
| Pnv9Chip *chip9 = PNV9_CHIP(obj); |
| PnvChipClass *pcc = PNV_CHIP_GET_CLASS(obj); |
| int i; |
| |
| object_initialize_child(obj, "xive", &chip9->xive, TYPE_PNV_XIVE); |
| object_property_add_alias(obj, "xive-fabric", OBJECT(&chip9->xive), |
| "xive-fabric"); |
| |
| object_initialize_child(obj, "psi", &chip9->psi, TYPE_PNV9_PSI); |
| |
| object_initialize_child(obj, "lpc", &chip9->lpc, TYPE_PNV9_LPC); |
| |
| object_initialize_child(obj, "chiptod", &chip9->chiptod, TYPE_PNV9_CHIPTOD); |
| |
| object_initialize_child(obj, "occ", &chip9->occ, TYPE_PNV9_OCC); |
| |
| object_initialize_child(obj, "sbe", &chip9->sbe, TYPE_PNV9_SBE); |
| |
| object_initialize_child(obj, "homer", &chip9->homer, TYPE_PNV9_HOMER); |
| |
| /* Number of PECs is the chip default */ |
| chip->num_pecs = pcc->num_pecs; |
| |
| for (i = 0; i < chip->num_pecs; i++) { |
| object_initialize_child(obj, "pec[*]", &chip9->pecs[i], |
| TYPE_PNV_PHB4_PEC); |
| } |
| |
| for (i = 0; i < pcc->i2c_num_engines; i++) { |
| object_initialize_child(obj, "i2c[*]", &chip9->i2c[i], TYPE_PNV_I2C); |
| } |
| } |
| |
| static void pnv_chip_quad_realize_one(PnvChip *chip, PnvQuad *eq, |
| PnvCore *pnv_core, |
| const char *type) |
| { |
| char eq_name[32]; |
| int core_id = CPU_CORE(pnv_core)->core_id; |
| |
| snprintf(eq_name, sizeof(eq_name), "eq[%d]", core_id); |
| object_initialize_child_with_props(OBJECT(chip), eq_name, eq, |
| sizeof(*eq), type, |
| &error_fatal, NULL); |
| |
| object_property_set_int(OBJECT(eq), "quad-id", core_id, &error_fatal); |
| qdev_realize(DEVICE(eq), NULL, &error_fatal); |
| } |
| |
| static void pnv_chip_quad_realize(Pnv9Chip *chip9, Error **errp) |
| { |
| PnvChip *chip = PNV_CHIP(chip9); |
| int i; |
| |
| chip9->nr_quads = DIV_ROUND_UP(chip->nr_cores, 4); |
| chip9->quads = g_new0(PnvQuad, chip9->nr_quads); |
| |
| for (i = 0; i < chip9->nr_quads; i++) { |
| PnvQuad *eq = &chip9->quads[i]; |
| |
| pnv_chip_quad_realize_one(chip, eq, chip->cores[i * 4], |
| PNV_QUAD_TYPE_NAME("power9")); |
| |
| pnv_xscom_add_subregion(chip, PNV9_XSCOM_EQ_BASE(eq->quad_id), |
| &eq->xscom_regs); |
| } |
| } |
| |
| static void pnv_chip_power9_pec_realize(PnvChip *chip, Error **errp) |
| { |
| Pnv9Chip *chip9 = PNV9_CHIP(chip); |
| int i; |
| |
| for (i = 0; i < chip->num_pecs; i++) { |
| PnvPhb4PecState *pec = &chip9->pecs[i]; |
| PnvPhb4PecClass *pecc = PNV_PHB4_PEC_GET_CLASS(pec); |
| uint32_t pec_nest_base; |
| uint32_t pec_pci_base; |
| |
| object_property_set_int(OBJECT(pec), "index", i, &error_fatal); |
| object_property_set_int(OBJECT(pec), "chip-id", chip->chip_id, |
| &error_fatal); |
| object_property_set_link(OBJECT(pec), "chip", OBJECT(chip), |
| &error_fatal); |
| if (!qdev_realize(DEVICE(pec), NULL, errp)) { |
| return; |
| } |
| |
| pec_nest_base = pecc->xscom_nest_base(pec); |
| pec_pci_base = pecc->xscom_pci_base(pec); |
| |
| pnv_xscom_add_subregion(chip, pec_nest_base, &pec->nest_regs_mr); |
| pnv_xscom_add_subregion(chip, pec_pci_base, &pec->pci_regs_mr); |
| } |
| } |
| |
| static void pnv_chip_power9_realize(DeviceState *dev, Error **errp) |
| { |
| PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev); |
| Pnv9Chip *chip9 = PNV9_CHIP(dev); |
| PnvChip *chip = PNV_CHIP(dev); |
| Pnv9Psi *psi9 = &chip9->psi; |
| Error *local_err = NULL; |
| int i; |
| |
| /* XSCOM bridge is first */ |
| pnv_xscom_init(chip, PNV9_XSCOM_SIZE, PNV9_XSCOM_BASE(chip)); |
| |
| pcc->parent_realize(dev, &local_err); |
| if (local_err) { |
| error_propagate(errp, local_err); |
| return; |
| } |
| |
| pnv_chip_quad_realize(chip9, &local_err); |
| if (local_err) { |
| error_propagate(errp, local_err); |
| return; |
| } |
| |
| /* XIVE interrupt controller (POWER9) */ |
| object_property_set_int(OBJECT(&chip9->xive), "ic-bar", |
| PNV9_XIVE_IC_BASE(chip), &error_fatal); |
| object_property_set_int(OBJECT(&chip9->xive), "vc-bar", |
| PNV9_XIVE_VC_BASE(chip), &error_fatal); |
| object_property_set_int(OBJECT(&chip9->xive), "pc-bar", |
| PNV9_XIVE_PC_BASE(chip), &error_fatal); |
| object_property_set_int(OBJECT(&chip9->xive), "tm-bar", |
| PNV9_XIVE_TM_BASE(chip), &error_fatal); |
| object_property_set_link(OBJECT(&chip9->xive), "chip", OBJECT(chip), |
| &error_abort); |
| if (!sysbus_realize(SYS_BUS_DEVICE(&chip9->xive), errp)) { |
| return; |
| } |
| pnv_xscom_add_subregion(chip, PNV9_XSCOM_XIVE_BASE, |
| &chip9->xive.xscom_regs); |
| |
| /* Processor Service Interface (PSI) Host Bridge */ |
| object_property_set_int(OBJECT(psi9), "bar", PNV9_PSIHB_BASE(chip), |
| &error_fatal); |
| /* This is the only device with 4k ESB pages */ |
| object_property_set_int(OBJECT(psi9), "shift", XIVE_ESB_4K, |
| &error_fatal); |
| if (!qdev_realize(DEVICE(psi9), NULL, errp)) { |
| return; |
| } |
| pnv_xscom_add_subregion(chip, PNV9_XSCOM_PSIHB_BASE, |
| &PNV_PSI(psi9)->xscom_regs); |
| |
| /* LPC */ |
| if (!qdev_realize(DEVICE(&chip9->lpc), NULL, errp)) { |
| return; |
| } |
| memory_region_add_subregion(get_system_memory(), PNV9_LPCM_BASE(chip), |
| &chip9->lpc.xscom_regs); |
| |
| chip->fw_mr = &chip9->lpc.isa_fw; |
| chip->dt_isa_nodename = g_strdup_printf("/lpcm-opb@%" PRIx64 "/lpc@0", |
| (uint64_t) PNV9_LPCM_BASE(chip)); |
| |
| /* ChipTOD */ |
| object_property_set_bool(OBJECT(&chip9->chiptod), "primary", |
| chip->chip_id == 0, &error_abort); |
| object_property_set_bool(OBJECT(&chip9->chiptod), "secondary", |
| chip->chip_id == 1, &error_abort); |
| object_property_set_link(OBJECT(&chip9->chiptod), "chip", OBJECT(chip), |
| &error_abort); |
| if (!qdev_realize(DEVICE(&chip9->chiptod), NULL, errp)) { |
| return; |
| } |
| pnv_xscom_add_subregion(chip, PNV9_XSCOM_CHIPTOD_BASE, |
| &chip9->chiptod.xscom_regs); |
| |
| /* Create the simplified OCC model */ |
| if (!qdev_realize(DEVICE(&chip9->occ), NULL, errp)) { |
| return; |
| } |
| pnv_xscom_add_subregion(chip, PNV9_XSCOM_OCC_BASE, &chip9->occ.xscom_regs); |
| qdev_connect_gpio_out(DEVICE(&chip9->occ), 0, qdev_get_gpio_in( |
| DEVICE(psi9), PSIHB9_IRQ_OCC)); |
| |
| /* OCC SRAM model */ |
| memory_region_add_subregion(get_system_memory(), PNV9_OCC_SENSOR_BASE(chip), |
| &chip9->occ.sram_regs); |
| |
| /* SBE */ |
| if (!qdev_realize(DEVICE(&chip9->sbe), NULL, errp)) { |
| return; |
| } |
| pnv_xscom_add_subregion(chip, PNV9_XSCOM_SBE_CTRL_BASE, |
| &chip9->sbe.xscom_ctrl_regs); |
| pnv_xscom_add_subregion(chip, PNV9_XSCOM_SBE_MBOX_BASE, |
| &chip9->sbe.xscom_mbox_regs); |
| qdev_connect_gpio_out(DEVICE(&chip9->sbe), 0, qdev_get_gpio_in( |
| DEVICE(psi9), PSIHB9_IRQ_PSU)); |
| |
| /* HOMER */ |
| object_property_set_link(OBJECT(&chip9->homer), "chip", OBJECT(chip), |
| &error_abort); |
| if (!qdev_realize(DEVICE(&chip9->homer), NULL, errp)) { |
| return; |
| } |
| /* Homer Xscom region */ |
| pnv_xscom_add_subregion(chip, PNV9_XSCOM_PBA_BASE, &chip9->homer.pba_regs); |
| |
| /* Homer mmio region */ |
| memory_region_add_subregion(get_system_memory(), PNV9_HOMER_BASE(chip), |
| &chip9->homer.regs); |
| |
| /* PEC PHBs */ |
| pnv_chip_power9_pec_realize(chip, &local_err); |
| if (local_err) { |
| error_propagate(errp, local_err); |
| return; |
| } |
| |
| /* |
| * I2C |
| */ |
| for (i = 0; i < pcc->i2c_num_engines; i++) { |
| Object *obj = OBJECT(&chip9->i2c[i]); |
| |
| object_property_set_int(obj, "engine", i + 1, &error_fatal); |
| object_property_set_int(obj, "num-busses", |
| pcc->i2c_ports_per_engine[i], |
| &error_fatal); |
| object_property_set_link(obj, "chip", OBJECT(chip), &error_abort); |
| if (!qdev_realize(DEVICE(obj), NULL, errp)) { |
| return; |
| } |
| pnv_xscom_add_subregion(chip, PNV9_XSCOM_I2CM_BASE + |
| (chip9->i2c[i].engine - 1) * |
| PNV9_XSCOM_I2CM_SIZE, |
| &chip9->i2c[i].xscom_regs); |
| qdev_connect_gpio_out(DEVICE(&chip9->i2c[i]), 0, |
| qdev_get_gpio_in(DEVICE(psi9), |
| PSIHB9_IRQ_SBE_I2C)); |
| } |
| } |
| |
| static uint32_t pnv_chip_power9_xscom_pcba(PnvChip *chip, uint64_t addr) |
| { |
| addr &= (PNV9_XSCOM_SIZE - 1); |
| return addr >> 3; |
| } |
| |
| static void pnv_chip_power9_class_init(ObjectClass *klass, void *data) |
| { |
| DeviceClass *dc = DEVICE_CLASS(klass); |
| PnvChipClass *k = PNV_CHIP_CLASS(klass); |
| static const int i2c_ports_per_engine[PNV9_CHIP_MAX_I2C] = {2, 13, 2, 2}; |
| |
| k->chip_cfam_id = 0x220d104900008000ull; /* P9 Nimbus DD2.0 */ |
| k->cores_mask = POWER9_CORE_MASK; |
| k->chip_pir = pnv_chip_pir_p9; |
| k->intc_create = pnv_chip_power9_intc_create; |
| k->intc_reset = pnv_chip_power9_intc_reset; |
| k->intc_destroy = pnv_chip_power9_intc_destroy; |
| k->intc_print_info = pnv_chip_power9_intc_print_info; |
| k->isa_create = pnv_chip_power9_isa_create; |
| k->dt_populate = pnv_chip_power9_dt_populate; |
| k->pic_print_info = pnv_chip_power9_pic_print_info; |
| k->xscom_core_base = pnv_chip_power9_xscom_core_base; |
| k->xscom_pcba = pnv_chip_power9_xscom_pcba; |
| dc->desc = "PowerNV Chip POWER9"; |
| k->num_pecs = PNV9_CHIP_MAX_PEC; |
| k->i2c_num_engines = PNV9_CHIP_MAX_I2C; |
| k->i2c_ports_per_engine = i2c_ports_per_engine; |
| |
| device_class_set_parent_realize(dc, pnv_chip_power9_realize, |
| &k->parent_realize); |
| } |
| |
| static void pnv_chip_power10_instance_init(Object *obj) |
| { |
| PnvChip *chip = PNV_CHIP(obj); |
| Pnv10Chip *chip10 = PNV10_CHIP(obj); |
| PnvChipClass *pcc = PNV_CHIP_GET_CLASS(obj); |
| int i; |
| |
| object_initialize_child(obj, "xive", &chip10->xive, TYPE_PNV_XIVE2); |
| object_property_add_alias(obj, "xive-fabric", OBJECT(&chip10->xive), |
| "xive-fabric"); |
| object_initialize_child(obj, "psi", &chip10->psi, TYPE_PNV10_PSI); |
| object_initialize_child(obj, "lpc", &chip10->lpc, TYPE_PNV10_LPC); |
| object_initialize_child(obj, "chiptod", &chip10->chiptod, |
| TYPE_PNV10_CHIPTOD); |
| object_initialize_child(obj, "occ", &chip10->occ, TYPE_PNV10_OCC); |
| object_initialize_child(obj, "sbe", &chip10->sbe, TYPE_PNV10_SBE); |
| object_initialize_child(obj, "homer", &chip10->homer, TYPE_PNV10_HOMER); |
| object_initialize_child(obj, "n1-chiplet", &chip10->n1_chiplet, |
| TYPE_PNV_N1_CHIPLET); |
| |
| chip->num_pecs = pcc->num_pecs; |
| |
| for (i = 0; i < chip->num_pecs; i++) { |
| object_initialize_child(obj, "pec[*]", &chip10->pecs[i], |
| TYPE_PNV_PHB5_PEC); |
| } |
| |
| for (i = 0; i < pcc->i2c_num_engines; i++) { |
| object_initialize_child(obj, "i2c[*]", &chip10->i2c[i], TYPE_PNV_I2C); |
| } |
| } |
| |
| static void pnv_chip_power10_quad_realize(Pnv10Chip *chip10, Error **errp) |
| { |
| PnvChip *chip = PNV_CHIP(chip10); |
| int i; |
| |
| chip10->nr_quads = DIV_ROUND_UP(chip->nr_cores, 4); |
| chip10->quads = g_new0(PnvQuad, chip10->nr_quads); |
| |
| for (i = 0; i < chip10->nr_quads; i++) { |
| PnvQuad *eq = &chip10->quads[i]; |
| |
| pnv_chip_quad_realize_one(chip, eq, chip->cores[i * 4], |
| PNV_QUAD_TYPE_NAME("power10")); |
| |
| pnv_xscom_add_subregion(chip, PNV10_XSCOM_EQ_BASE(eq->quad_id), |
| &eq->xscom_regs); |
| |
| pnv_xscom_add_subregion(chip, PNV10_XSCOM_QME_BASE(eq->quad_id), |
| &eq->xscom_qme_regs); |
| } |
| } |
| |
| static void pnv_chip_power10_phb_realize(PnvChip *chip, Error **errp) |
| { |
| Pnv10Chip *chip10 = PNV10_CHIP(chip); |
| int i; |
| |
| for (i = 0; i < chip->num_pecs; i++) { |
| PnvPhb4PecState *pec = &chip10->pecs[i]; |
| PnvPhb4PecClass *pecc = PNV_PHB4_PEC_GET_CLASS(pec); |
| uint32_t pec_nest_base; |
| uint32_t pec_pci_base; |
| |
| object_property_set_int(OBJECT(pec), "index", i, &error_fatal); |
| object_property_set_int(OBJECT(pec), "chip-id", chip->chip_id, |
| &error_fatal); |
| object_property_set_link(OBJECT(pec), "chip", OBJECT(chip), |
| &error_fatal); |
| if (!qdev_realize(DEVICE(pec), NULL, errp)) { |
| return; |
| } |
| |
| pec_nest_base = pecc->xscom_nest_base(pec); |
| pec_pci_base = pecc->xscom_pci_base(pec); |
| |
| pnv_xscom_add_subregion(chip, pec_nest_base, &pec->nest_regs_mr); |
| pnv_xscom_add_subregion(chip, pec_pci_base, &pec->pci_regs_mr); |
| } |
| } |
| |
| static void pnv_chip_power10_realize(DeviceState *dev, Error **errp) |
| { |
| PnvChipClass *pcc = PNV_CHIP_GET_CLASS(dev); |
| PnvChip *chip = PNV_CHIP(dev); |
| Pnv10Chip *chip10 = PNV10_CHIP(dev); |
| Error *local_err = NULL; |
| int i; |
| |
| /* XSCOM bridge is first */ |
| pnv_xscom_init(chip, PNV10_XSCOM_SIZE, PNV10_XSCOM_BASE(chip)); |
| |
| pcc->parent_realize(dev, &local_err); |
| if (local_err) { |
| error_propagate(errp, local_err); |
| return; |
| } |
| |
| pnv_chip_power10_quad_realize(chip10, &local_err); |
| if (local_err) { |
| error_propagate(errp, local_err); |
| return; |
| } |
| |
| /* XIVE2 interrupt controller (POWER10) */ |
| object_property_set_int(OBJECT(&chip10->xive), "ic-bar", |
| PNV10_XIVE2_IC_BASE(chip), &error_fatal); |
| object_property_set_int(OBJECT(&chip10->xive), "esb-bar", |
| PNV10_XIVE2_ESB_BASE(chip), &error_fatal); |
| object_property_set_int(OBJECT(&chip10->xive), "end-bar", |
| PNV10_XIVE2_END_BASE(chip), &error_fatal); |
| object_property_set_int(OBJECT(&chip10->xive), "nvpg-bar", |
| PNV10_XIVE2_NVPG_BASE(chip), &error_fatal); |
| object_property_set_int(OBJECT(&chip10->xive), "nvc-bar", |
| PNV10_XIVE2_NVC_BASE(chip), &error_fatal); |
| object_property_set_int(OBJECT(&chip10->xive), "tm-bar", |
| PNV10_XIVE2_TM_BASE(chip), &error_fatal); |
| object_property_set_link(OBJECT(&chip10->xive), "chip", OBJECT(chip), |
| &error_abort); |
| if (!sysbus_realize(SYS_BUS_DEVICE(&chip10->xive), errp)) { |
| return; |
| } |
| pnv_xscom_add_subregion(chip, PNV10_XSCOM_XIVE2_BASE, |
| &chip10->xive.xscom_regs); |
| |
| /* Processor Service Interface (PSI) Host Bridge */ |
| object_property_set_int(OBJECT(&chip10->psi), "bar", |
| PNV10_PSIHB_BASE(chip), &error_fatal); |
| /* PSI can now be configured to use 64k ESB pages on POWER10 */ |
| object_property_set_int(OBJECT(&chip10->psi), "shift", XIVE_ESB_64K, |
| &error_fatal); |
| if (!qdev_realize(DEVICE(&chip10->psi), NULL, errp)) { |
| return; |
| } |
| pnv_xscom_add_subregion(chip, PNV10_XSCOM_PSIHB_BASE, |
| &PNV_PSI(&chip10->psi)->xscom_regs); |
| |
| /* LPC */ |
| if (!qdev_realize(DEVICE(&chip10->lpc), NULL, errp)) { |
| return; |
| } |
| memory_region_add_subregion(get_system_memory(), PNV10_LPCM_BASE(chip), |
| &chip10->lpc.xscom_regs); |
| |
| chip->fw_mr = &chip10->lpc.isa_fw; |
| chip->dt_isa_nodename = g_strdup_printf("/lpcm-opb@%" PRIx64 "/lpc@0", |
| (uint64_t) PNV10_LPCM_BASE(chip)); |
| |
| /* ChipTOD */ |
| object_property_set_bool(OBJECT(&chip10->chiptod), "primary", |
| chip->chip_id == 0, &error_abort); |
| object_property_set_bool(OBJECT(&chip10->chiptod), "secondary", |
| chip->chip_id == 1, &error_abort); |
| object_property_set_link(OBJECT(&chip10->chiptod), "chip", OBJECT(chip), |
| &error_abort); |
| if (!qdev_realize(DEVICE(&chip10->chiptod), NULL, errp)) { |
| return; |
| } |
| pnv_xscom_add_subregion(chip, PNV10_XSCOM_CHIPTOD_BASE, |
| &chip10->chiptod.xscom_regs); |
| |
| /* Create the simplified OCC model */ |
| if (!qdev_realize(DEVICE(&chip10->occ), NULL, errp)) { |
| return; |
| } |
| pnv_xscom_add_subregion(chip, PNV10_XSCOM_OCC_BASE, |
| &chip10->occ.xscom_regs); |
| qdev_connect_gpio_out(DEVICE(&chip10->occ), 0, qdev_get_gpio_in( |
| DEVICE(&chip10->psi), PSIHB9_IRQ_OCC)); |
| |
| /* OCC SRAM model */ |
| memory_region_add_subregion(get_system_memory(), |
| PNV10_OCC_SENSOR_BASE(chip), |
| &chip10->occ.sram_regs); |
| |
| /* SBE */ |
| if (!qdev_realize(DEVICE(&chip10->sbe), NULL, errp)) { |
| return; |
| } |
| pnv_xscom_add_subregion(chip, PNV10_XSCOM_SBE_CTRL_BASE, |
| &chip10->sbe.xscom_ctrl_regs); |
| pnv_xscom_add_subregion(chip, PNV10_XSCOM_SBE_MBOX_BASE, |
| &chip10->sbe.xscom_mbox_regs); |
| qdev_connect_gpio_out(DEVICE(&chip10->sbe), 0, qdev_get_gpio_in( |
| DEVICE(&chip10->psi), PSIHB9_IRQ_PSU)); |
| |
| /* HOMER */ |
| object_property_set_link(OBJECT(&chip10->homer), "chip", OBJECT(chip), |
| &error_abort); |
| if (!qdev_realize(DEVICE(&chip10->homer), NULL, errp)) { |
| return; |
| } |
| /* Homer Xscom region */ |
| pnv_xscom_add_subregion(chip, PNV10_XSCOM_PBA_BASE, |
| &chip10->homer.pba_regs); |
| |
| /* Homer mmio region */ |
| memory_region_add_subregion(get_system_memory(), PNV10_HOMER_BASE(chip), |
| &chip10->homer.regs); |
| |
| /* N1 chiplet */ |
| if (!qdev_realize(DEVICE(&chip10->n1_chiplet), NULL, errp)) { |
| return; |
| } |
| pnv_xscom_add_subregion(chip, PNV10_XSCOM_N1_CHIPLET_CTRL_REGS_BASE, |
| &chip10->n1_chiplet.nest_pervasive.xscom_ctrl_regs_mr); |
| |
| pnv_xscom_add_subregion(chip, PNV10_XSCOM_N1_PB_SCOM_EQ_BASE, |
| &chip10->n1_chiplet.xscom_pb_eq_mr); |
| |
| pnv_xscom_add_subregion(chip, PNV10_XSCOM_N1_PB_SCOM_ES_BASE, |
| &chip10->n1_chiplet.xscom_pb_es_mr); |
| |
| /* PHBs */ |
| pnv_chip_power10_phb_realize(chip, &local_err); |
| if (local_err) { |
| error_propagate(errp, local_err); |
| return; |
| } |
| |
| |
| /* |
| * I2C |
| */ |
| for (i = 0; i < pcc->i2c_num_engines; i++) { |
| Object *obj = OBJECT(&chip10->i2c[i]); |
| |
| object_property_set_int(obj, "engine", i + 1, &error_fatal); |
| object_property_set_int(obj, "num-busses", |
| pcc->i2c_ports_per_engine[i], |
| &error_fatal); |
| object_property_set_link(obj, "chip", OBJECT(chip), &error_abort); |
| if (!qdev_realize(DEVICE(obj), NULL, errp)) { |
| return; |
| } |
| pnv_xscom_add_subregion(chip, PNV10_XSCOM_I2CM_BASE + |
| (chip10->i2c[i].engine - 1) * |
| PNV10_XSCOM_I2CM_SIZE, |
| &chip10->i2c[i].xscom_regs); |
| qdev_connect_gpio_out(DEVICE(&chip10->i2c[i]), 0, |
| qdev_get_gpio_in(DEVICE(&chip10->psi), |
| PSIHB9_IRQ_SBE_I2C)); |
| } |
| |
| } |
| |
| static void pnv_rainier_i2c_init(PnvMachineState *pnv) |
| { |
| int i; |
| for (i = 0; i < pnv->num_chips; i++) { |
| Pnv10Chip *chip10 = PNV10_CHIP(pnv->chips[i]); |
| |
| /* |
| * Add a PCA9552 I2C device for PCIe hotplug control |
| * to engine 2, bus 1, address 0x63 |
| */ |
| I2CSlave *dev = i2c_slave_create_simple(chip10->i2c[2].busses[1], |
| "pca9552", 0x63); |
| |
| /* |
| * Connect PCA9552 GPIO pins 0-4 (SLOTx_EN) outputs to GPIO pins 5-9 |
| * (SLOTx_PG) inputs in order to fake the pgood state of PCIe slots |
| * after hypervisor code sets a SLOTx_EN pin high. |
| */ |
| qdev_connect_gpio_out(DEVICE(dev), 0, qdev_get_gpio_in(DEVICE(dev), 5)); |
| qdev_connect_gpio_out(DEVICE(dev), 1, qdev_get_gpio_in(DEVICE(dev), 6)); |
| qdev_connect_gpio_out(DEVICE(dev), 2, qdev_get_gpio_in(DEVICE(dev), 7)); |
| qdev_connect_gpio_out(DEVICE(dev), 3, qdev_get_gpio_in(DEVICE(dev), 8)); |
| qdev_connect_gpio_out(DEVICE(dev), 4, qdev_get_gpio_in(DEVICE(dev), 9)); |
| |
| /* |
| * Add a PCA9554 I2C device for cable card presence detection |
| * to engine 2, bus 1, address 0x25 |
| */ |
| i2c_slave_create_simple(chip10->i2c[2].busses[1], "pca9554", 0x25); |
| } |
| } |
| |
| static uint32_t pnv_chip_power10_xscom_pcba(PnvChip *chip, uint64_t addr) |
| { |
| addr &= (PNV10_XSCOM_SIZE - 1); |
| return addr >> 3; |
| } |
| |
| static void pnv_chip_power10_class_init(ObjectClass *klass, void *data) |
| { |
| DeviceClass *dc = DEVICE_CLASS(klass); |
| PnvChipClass *k = PNV_CHIP_CLASS(klass); |
| static const int i2c_ports_per_engine[PNV10_CHIP_MAX_I2C] = {14, 14, 2, 16}; |
| |
| k->chip_cfam_id = 0x120da04900008000ull; /* P10 DD1.0 (with NX) */ |
| k->cores_mask = POWER10_CORE_MASK; |
| k->chip_pir = pnv_chip_pir_p10; |
| k->intc_create = pnv_chip_power10_intc_create; |
| k->intc_reset = pnv_chip_power10_intc_reset; |
| k->intc_destroy = pnv_chip_power10_intc_destroy; |
| k->intc_print_info = pnv_chip_power10_intc_print_info; |
| k->isa_create = pnv_chip_power10_isa_create; |
| k->dt_populate = pnv_chip_power10_dt_populate; |
| k->pic_print_info = pnv_chip_power10_pic_print_info; |
| k->xscom_core_base = pnv_chip_power10_xscom_core_base; |
| k->xscom_pcba = pnv_chip_power10_xscom_pcba; |
| dc->desc = "PowerNV Chip POWER10"; |
| k->num_pecs = PNV10_CHIP_MAX_PEC; |
| k->i2c_num_engines = PNV10_CHIP_MAX_I2C; |
| k->i2c_ports_per_engine = i2c_ports_per_engine; |
| |
| device_class_set_parent_realize(dc, pnv_chip_power10_realize, |
| &k->parent_realize); |
| } |
| |
| static void pnv_chip_core_sanitize(PnvChip *chip, Error **errp) |
| { |
| PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip); |
| int cores_max; |
| |
| /* |
| * No custom mask for this chip, let's use the default one from * |
| * the chip class |
| */ |
| if (!chip->cores_mask) { |
| chip->cores_mask = pcc->cores_mask; |
| } |
| |
| /* filter alien core ids ! some are reserved */ |
| if ((chip->cores_mask & pcc->cores_mask) != chip->cores_mask) { |
| error_setg(errp, "warning: invalid core mask for chip Ox%"PRIx64" !", |
| chip->cores_mask); |
| return; |
| } |
| chip->cores_mask &= pcc->cores_mask; |
| |
| /* now that we have a sane layout, let check the number of cores */ |
| cores_max = ctpop64(chip->cores_mask); |
| if (chip->nr_cores > cores_max) { |
| error_setg(errp, "warning: too many cores for chip ! Limit is %d", |
| cores_max); |
| return; |
| } |
| } |
| |
| static void pnv_chip_core_realize(PnvChip *chip, Error **errp) |
| { |
| Error *error = NULL; |
| PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip); |
| const char *typename = pnv_chip_core_typename(chip); |
| int i, core_hwid; |
| PnvMachineState *pnv = PNV_MACHINE(qdev_get_machine()); |
| |
| if (!object_class_by_name(typename)) { |
| error_setg(errp, "Unable to find PowerNV CPU Core '%s'", typename); |
| return; |
| } |
| |
| /* Cores */ |
| pnv_chip_core_sanitize(chip, &error); |
| if (error) { |
| error_propagate(errp, error); |
| return; |
| } |
| |
| chip->cores = g_new0(PnvCore *, chip->nr_cores); |
| |
| for (i = 0, core_hwid = 0; (core_hwid < sizeof(chip->cores_mask) * 8) |
| && (i < chip->nr_cores); core_hwid++) { |
| char core_name[32]; |
| PnvCore *pnv_core; |
| uint64_t xscom_core_base; |
| |
| if (!(chip->cores_mask & (1ull << core_hwid))) { |
| continue; |
| } |
| |
| pnv_core = PNV_CORE(object_new(typename)); |
| |
| snprintf(core_name, sizeof(core_name), "core[%d]", core_hwid); |
| object_property_add_child(OBJECT(chip), core_name, OBJECT(pnv_core)); |
| chip->cores[i] = pnv_core; |
| object_property_set_int(OBJECT(pnv_core), "nr-threads", |
| chip->nr_threads, &error_fatal); |
| object_property_set_int(OBJECT(pnv_core), CPU_CORE_PROP_CORE_ID, |
| core_hwid, &error_fatal); |
| object_property_set_int(OBJECT(pnv_core), "hwid", core_hwid, |
| &error_fatal); |
| object_property_set_int(OBJECT(pnv_core), "hrmor", pnv->fw_load_addr, |
| &error_fatal); |
| object_property_set_link(OBJECT(pnv_core), "chip", OBJECT(chip), |
| &error_abort); |
| qdev_realize(DEVICE(pnv_core), NULL, &error_fatal); |
| |
| /* Each core has an XSCOM MMIO region */ |
| xscom_core_base = pcc->xscom_core_base(chip, core_hwid); |
| |
| pnv_xscom_add_subregion(chip, xscom_core_base, |
| &pnv_core->xscom_regs); |
| i++; |
| } |
| } |
| |
| static void pnv_chip_realize(DeviceState *dev, Error **errp) |
| { |
| PnvChip *chip = PNV_CHIP(dev); |
| Error *error = NULL; |
| |
| /* Cores */ |
| pnv_chip_core_realize(chip, &error); |
| if (error) { |
| error_propagate(errp, error); |
| return; |
| } |
| } |
| |
| static Property pnv_chip_properties[] = { |
| DEFINE_PROP_UINT32("chip-id", PnvChip, chip_id, 0), |
| DEFINE_PROP_UINT64("ram-start", PnvChip, ram_start, 0), |
| DEFINE_PROP_UINT64("ram-size", PnvChip, ram_size, 0), |
| DEFINE_PROP_UINT32("nr-cores", PnvChip, nr_cores, 1), |
| DEFINE_PROP_UINT64("cores-mask", PnvChip, cores_mask, 0x0), |
| DEFINE_PROP_UINT32("nr-threads", PnvChip, nr_threads, 1), |
| DEFINE_PROP_END_OF_LIST(), |
| }; |
| |
| static void pnv_chip_class_init(ObjectClass *klass, void *data) |
| { |
| DeviceClass *dc = DEVICE_CLASS(klass); |
| |
| set_bit(DEVICE_CATEGORY_CPU, dc->categories); |
| dc->realize = pnv_chip_realize; |
| device_class_set_props(dc, pnv_chip_properties); |
| dc->desc = "PowerNV Chip"; |
| } |
| |
| PnvCore *pnv_chip_find_core(PnvChip *chip, uint32_t core_id) |
| { |
| int i; |
| |
| for (i = 0; i < chip->nr_cores; i++) { |
| PnvCore *pc = chip->cores[i]; |
| CPUCore *cc = CPU_CORE(pc); |
| |
| if (cc->core_id == core_id) { |
| return pc; |
| } |
| } |
| return NULL; |
| } |
| |
| PowerPCCPU *pnv_chip_find_cpu(PnvChip *chip, uint32_t pir) |
| { |
| int i, j; |
| |
| for (i = 0; i < chip->nr_cores; i++) { |
| PnvCore *pc = chip->cores[i]; |
| CPUCore *cc = CPU_CORE(pc); |
| |
| for (j = 0; j < cc->nr_threads; j++) { |
| if (ppc_cpu_pir(pc->threads[j]) == pir) { |
| return pc->threads[j]; |
| } |
| } |
| } |
| return NULL; |
| } |
| |
| static ICSState *pnv_ics_get(XICSFabric *xi, int irq) |
| { |
| PnvMachineState *pnv = PNV_MACHINE(xi); |
| int i, j; |
| |
| for (i = 0; i < pnv->num_chips; i++) { |
| Pnv8Chip *chip8 = PNV8_CHIP(pnv->chips[i]); |
| |
| if (ics_valid_irq(&chip8->psi.ics, irq)) { |
| return &chip8->psi.ics; |
| } |
| |
| for (j = 0; j < chip8->num_phbs; j++) { |
| PnvPHB *phb = chip8->phbs[j]; |
| PnvPHB3 *phb3 = PNV_PHB3(phb->backend); |
| |
| if (ics_valid_irq(&phb3->lsis, irq)) { |
| return &phb3->lsis; |
| } |
| |
| if (ics_valid_irq(ICS(&phb3->msis), irq)) { |
| return ICS(&phb3->msis); |
| } |
| } |
| } |
| return NULL; |
| } |
| |
| PnvChip *pnv_get_chip(PnvMachineState *pnv, uint32_t chip_id) |
| { |
| int i; |
| |
| for (i = 0; i < pnv->num_chips; i++) { |
| PnvChip *chip = pnv->chips[i]; |
| if (chip->chip_id == chip_id) { |
| return chip; |
| } |
| } |
| return NULL; |
| } |
| |
| static void pnv_ics_resend(XICSFabric *xi) |
| { |
| PnvMachineState *pnv = PNV_MACHINE(xi); |
| int i, j; |
| |
| for (i = 0; i < pnv->num_chips; i++) { |
| Pnv8Chip *chip8 = PNV8_CHIP(pnv->chips[i]); |
| |
| ics_resend(&chip8->psi.ics); |
| |
| for (j = 0; j < chip8->num_phbs; j++) { |
| PnvPHB *phb = chip8->phbs[j]; |
| PnvPHB3 *phb3 = PNV_PHB3(phb->backend); |
| |
| ics_resend(&phb3->lsis); |
| ics_resend(ICS(&phb3->msis)); |
| } |
| } |
| } |
| |
| static ICPState *pnv_icp_get(XICSFabric *xi, int pir) |
| { |
| PowerPCCPU *cpu = ppc_get_vcpu_by_pir(pir); |
| |
| return cpu ? ICP(pnv_cpu_state(cpu)->intc) : NULL; |
| } |
| |
| static void pnv_pic_print_info(InterruptStatsProvider *obj, |
| Monitor *mon) |
| { |
| PnvMachineState *pnv = PNV_MACHINE(obj); |
| int i; |
| CPUState *cs; |
| |
| CPU_FOREACH(cs) { |
| PowerPCCPU *cpu = POWERPC_CPU(cs); |
| |
| /* XXX: loop on each chip/core/thread instead of CPU_FOREACH() */ |
| PNV_CHIP_GET_CLASS(pnv->chips[0])->intc_print_info(pnv->chips[0], cpu, |
| mon); |
| } |
| |
| for (i = 0; i < pnv->num_chips; i++) { |
| PNV_CHIP_GET_CLASS(pnv->chips[i])->pic_print_info(pnv->chips[i], mon); |
| } |
| } |
| |
| static int pnv_match_nvt(XiveFabric *xfb, uint8_t format, |
| uint8_t nvt_blk, uint32_t nvt_idx, |
| bool cam_ignore, uint8_t priority, |
| uint32_t logic_serv, |
| XiveTCTXMatch *match) |
| { |
| PnvMachineState *pnv = PNV_MACHINE(xfb); |
| int total_count = 0; |
| int i; |
| |
| for (i = 0; i < pnv->num_chips; i++) { |
| Pnv9Chip *chip9 = PNV9_CHIP(pnv->chips[i]); |
| XivePresenter *xptr = XIVE_PRESENTER(&chip9->xive); |
| XivePresenterClass *xpc = XIVE_PRESENTER_GET_CLASS(xptr); |
| int count; |
| |
| count = xpc->match_nvt(xptr, format, nvt_blk, nvt_idx, cam_ignore, |
| priority, logic_serv, match); |
| |
| if (count < 0) { |
| return count; |
| } |
| |
| total_count += count; |
| } |
| |
| return total_count; |
| } |
| |
| static int pnv10_xive_match_nvt(XiveFabric *xfb, uint8_t format, |
| uint8_t nvt_blk, uint32_t nvt_idx, |
| bool cam_ignore, uint8_t priority, |
| uint32_t logic_serv, |
| XiveTCTXMatch *match) |
| { |
| PnvMachineState *pnv = PNV_MACHINE(xfb); |
| int total_count = 0; |
| int i; |
| |
| for (i = 0; i < pnv->num_chips; i++) { |
| Pnv10Chip *chip10 = PNV10_CHIP(pnv->chips[i]); |
| XivePresenter *xptr = XIVE_PRESENTER(&chip10->xive); |
| XivePresenterClass *xpc = XIVE_PRESENTER_GET_CLASS(xptr); |
| int count; |
| |
| count = xpc->match_nvt(xptr, format, nvt_blk, nvt_idx, cam_ignore, |
| priority, logic_serv, match); |
| |
| if (count < 0) { |
| return count; |
| } |
| |
| total_count += count; |
| } |
| |
| return total_count; |
| } |
| |
| static void pnv_machine_power8_class_init(ObjectClass *oc, void *data) |
| { |
| MachineClass *mc = MACHINE_CLASS(oc); |
| XICSFabricClass *xic = XICS_FABRIC_CLASS(oc); |
| PnvMachineClass *pmc = PNV_MACHINE_CLASS(oc); |
| static const char compat[] = "qemu,powernv8\0qemu,powernv\0ibm,powernv"; |
| |
| static GlobalProperty phb_compat[] = { |
| { TYPE_PNV_PHB, "version", "3" }, |
| { TYPE_PNV_PHB_ROOT_PORT, "version", "3" }, |
| }; |
| |
| mc->desc = "IBM PowerNV (Non-Virtualized) POWER8"; |
| mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power8_v2.0"); |
| compat_props_add(mc->compat_props, phb_compat, G_N_ELEMENTS(phb_compat)); |
| |
| xic->icp_get = pnv_icp_get; |
| xic->ics_get = pnv_ics_get; |
| xic->ics_resend = pnv_ics_resend; |
| |
| pmc->compat = compat; |
| pmc->compat_size = sizeof(compat); |
| |
| machine_class_allow_dynamic_sysbus_dev(mc, TYPE_PNV_PHB); |
| } |
| |
| static void pnv_machine_power9_class_init(ObjectClass *oc, void *data) |
| { |
| MachineClass *mc = MACHINE_CLASS(oc); |
| XiveFabricClass *xfc = XIVE_FABRIC_CLASS(oc); |
| PnvMachineClass *pmc = PNV_MACHINE_CLASS(oc); |
| static const char compat[] = "qemu,powernv9\0ibm,powernv"; |
| |
| static GlobalProperty phb_compat[] = { |
| { TYPE_PNV_PHB, "version", "4" }, |
| { TYPE_PNV_PHB_ROOT_PORT, "version", "4" }, |
| }; |
| |
| mc->desc = "IBM PowerNV (Non-Virtualized) POWER9"; |
| mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power9_v2.2"); |
| compat_props_add(mc->compat_props, phb_compat, G_N_ELEMENTS(phb_compat)); |
| |
| xfc->match_nvt = pnv_match_nvt; |
| |
| pmc->compat = compat; |
| pmc->compat_size = sizeof(compat); |
| pmc->dt_power_mgt = pnv_dt_power_mgt; |
| |
| machine_class_allow_dynamic_sysbus_dev(mc, TYPE_PNV_PHB); |
| } |
| |
| static void pnv_machine_p10_common_class_init(ObjectClass *oc, void *data) |
| { |
| MachineClass *mc = MACHINE_CLASS(oc); |
| PnvMachineClass *pmc = PNV_MACHINE_CLASS(oc); |
| XiveFabricClass *xfc = XIVE_FABRIC_CLASS(oc); |
| static const char compat[] = "qemu,powernv10\0ibm,powernv"; |
| |
| static GlobalProperty phb_compat[] = { |
| { TYPE_PNV_PHB, "version", "5" }, |
| { TYPE_PNV_PHB_ROOT_PORT, "version", "5" }, |
| }; |
| |
| mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power10_v2.0"); |
| compat_props_add(mc->compat_props, phb_compat, G_N_ELEMENTS(phb_compat)); |
| |
| mc->alias = "powernv"; |
| |
| pmc->compat = compat; |
| pmc->compat_size = sizeof(compat); |
| pmc->dt_power_mgt = pnv_dt_power_mgt; |
| |
| xfc->match_nvt = pnv10_xive_match_nvt; |
| |
| machine_class_allow_dynamic_sysbus_dev(mc, TYPE_PNV_PHB); |
| } |
| |
| static void pnv_machine_power10_class_init(ObjectClass *oc, void *data) |
| { |
| MachineClass *mc = MACHINE_CLASS(oc); |
| |
| pnv_machine_p10_common_class_init(oc, data); |
| mc->desc = "IBM PowerNV (Non-Virtualized) POWER10"; |
| } |
| |
| static void pnv_machine_p10_rainier_class_init(ObjectClass *oc, void *data) |
| { |
| MachineClass *mc = MACHINE_CLASS(oc); |
| PnvMachineClass *pmc = PNV_MACHINE_CLASS(oc); |
| |
| pnv_machine_p10_common_class_init(oc, data); |
| mc->desc = "IBM PowerNV (Non-Virtualized) POWER10 Rainier"; |
| pmc->i2c_init = pnv_rainier_i2c_init; |
| } |
| |
| static bool pnv_machine_get_hb(Object *obj, Error **errp) |
| { |
| PnvMachineState *pnv = PNV_MACHINE(obj); |
| |
| return !!pnv->fw_load_addr; |
| } |
| |
| static void pnv_machine_set_hb(Object *obj, bool value, Error **errp) |
| { |
| PnvMachineState *pnv = PNV_MACHINE(obj); |
| |
| if (value) { |
| pnv->fw_load_addr = 0x8000000; |
| } |
| } |
| |
| static void pnv_cpu_do_nmi_on_cpu(CPUState *cs, run_on_cpu_data arg) |
| { |
| CPUPPCState *env = cpu_env(cs); |
| |
| cpu_synchronize_state(cs); |
| ppc_cpu_do_system_reset(cs); |
| if (env->spr[SPR_SRR1] & SRR1_WAKESTATE) { |
| /* |
| * Power-save wakeups, as indicated by non-zero SRR1[46:47] put the |
| * wakeup reason in SRR1[42:45], system reset is indicated with 0b0100 |
| * (PPC_BIT(43)). |
| */ |
| if (!(env->spr[SPR_SRR1] & SRR1_WAKERESET)) { |
| warn_report("ppc_cpu_do_system_reset does not set system reset wakeup reason"); |
| env->spr[SPR_SRR1] |= SRR1_WAKERESET; |
| } |
| } else { |
| /* |
| * For non-powersave system resets, SRR1[42:45] are defined to be |
| * implementation-dependent. The POWER9 User Manual specifies that |
| * an external (SCOM driven, which may come from a BMC nmi command or |
| * another CPU requesting a NMI IPI) system reset exception should be |
| * 0b0010 (PPC_BIT(44)). |
| */ |
| env->spr[SPR_SRR1] |= SRR1_WAKESCOM; |
| } |
| } |
| |
| static void pnv_nmi(NMIState *n, int cpu_index, Error **errp) |
| { |
| CPUState *cs; |
| |
| CPU_FOREACH(cs) { |
| async_run_on_cpu(cs, pnv_cpu_do_nmi_on_cpu, RUN_ON_CPU_NULL); |
| } |
| } |
| |
| static void pnv_machine_class_init(ObjectClass *oc, void *data) |
| { |
| MachineClass *mc = MACHINE_CLASS(oc); |
| InterruptStatsProviderClass *ispc = INTERRUPT_STATS_PROVIDER_CLASS(oc); |
| NMIClass *nc = NMI_CLASS(oc); |
| |
| mc->desc = "IBM PowerNV (Non-Virtualized)"; |
| mc->init = pnv_init; |
| mc->reset = pnv_reset; |
| mc->max_cpus = MAX_CPUS; |
| /* Pnv provides a AHCI device for storage */ |
| mc->block_default_type = IF_IDE; |
| mc->no_parallel = 1; |
| mc->default_boot_order = NULL; |
| /* |
| * RAM defaults to less than 2048 for 32-bit hosts, and large |
| * enough to fit the maximum initrd size at it's load address |
| */ |
| mc->default_ram_size = 1 * GiB; |
| mc->default_ram_id = "pnv.ram"; |
| ispc->print_info = pnv_pic_print_info; |
| nc->nmi_monitor_handler = pnv_nmi; |
| |
| object_class_property_add_bool(oc, "hb-mode", |
| pnv_machine_get_hb, pnv_machine_set_hb); |
| object_class_property_set_description(oc, "hb-mode", |
| "Use a hostboot like boot loader"); |
| } |
| |
| #define DEFINE_PNV8_CHIP_TYPE(type, class_initfn) \ |
| { \ |
| .name = type, \ |
| .class_init = class_initfn, \ |
| .parent = TYPE_PNV8_CHIP, \ |
| } |
| |
| #define DEFINE_PNV9_CHIP_TYPE(type, class_initfn) \ |
| { \ |
| .name = type, \ |
| .class_init = class_initfn, \ |
| .parent = TYPE_PNV9_CHIP, \ |
| } |
| |
| #define DEFINE_PNV10_CHIP_TYPE(type, class_initfn) \ |
| { \ |
| .name = type, \ |
| .class_init = class_initfn, \ |
| .parent = TYPE_PNV10_CHIP, \ |
| } |
| |
| static const TypeInfo types[] = { |
| { |
| .name = MACHINE_TYPE_NAME("powernv10-rainier"), |
| .parent = MACHINE_TYPE_NAME("powernv10"), |
| .class_init = pnv_machine_p10_rainier_class_init, |
| }, |
| { |
| .name = MACHINE_TYPE_NAME("powernv10"), |
| .parent = TYPE_PNV_MACHINE, |
| .class_init = pnv_machine_power10_class_init, |
| .interfaces = (InterfaceInfo[]) { |
| { TYPE_XIVE_FABRIC }, |
| { }, |
| }, |
| }, |
| { |
| .name = MACHINE_TYPE_NAME("powernv9"), |
| .parent = TYPE_PNV_MACHINE, |
| .class_init = pnv_machine_power9_class_init, |
| .interfaces = (InterfaceInfo[]) { |
| { TYPE_XIVE_FABRIC }, |
| { }, |
| }, |
| }, |
| { |
| .name = MACHINE_TYPE_NAME("powernv8"), |
| .parent = TYPE_PNV_MACHINE, |
| .class_init = pnv_machine_power8_class_init, |
| .interfaces = (InterfaceInfo[]) { |
| { TYPE_XICS_FABRIC }, |
| { }, |
| }, |
| }, |
| { |
| .name = TYPE_PNV_MACHINE, |
| .parent = TYPE_MACHINE, |
| .abstract = true, |
| .instance_size = sizeof(PnvMachineState), |
| .class_init = pnv_machine_class_init, |
| .class_size = sizeof(PnvMachineClass), |
| .interfaces = (InterfaceInfo[]) { |
| { TYPE_INTERRUPT_STATS_PROVIDER }, |
| { TYPE_NMI }, |
| { }, |
| }, |
| }, |
| { |
| .name = TYPE_PNV_CHIP, |
| .parent = TYPE_SYS_BUS_DEVICE, |
| .class_init = pnv_chip_class_init, |
| .instance_size = sizeof(PnvChip), |
| .class_size = sizeof(PnvChipClass), |
| .abstract = true, |
| }, |
| |
| /* |
| * P10 chip and variants |
| */ |
| { |
| .name = TYPE_PNV10_CHIP, |
| .parent = TYPE_PNV_CHIP, |
| .instance_init = pnv_chip_power10_instance_init, |
| .instance_size = sizeof(Pnv10Chip), |
| }, |
| DEFINE_PNV10_CHIP_TYPE(TYPE_PNV_CHIP_POWER10, pnv_chip_power10_class_init), |
| |
| /* |
| * P9 chip and variants |
| */ |
| { |
| .name = TYPE_PNV9_CHIP, |
| .parent = TYPE_PNV_CHIP, |
| .instance_init = pnv_chip_power9_instance_init, |
| .instance_size = sizeof(Pnv9Chip), |
| }, |
| DEFINE_PNV9_CHIP_TYPE(TYPE_PNV_CHIP_POWER9, pnv_chip_power9_class_init), |
| |
| /* |
| * P8 chip and variants |
| */ |
| { |
| .name = TYPE_PNV8_CHIP, |
| .parent = TYPE_PNV_CHIP, |
| .instance_init = pnv_chip_power8_instance_init, |
| .instance_size = sizeof(Pnv8Chip), |
| }, |
| DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8, pnv_chip_power8_class_init), |
| DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8E, pnv_chip_power8e_class_init), |
| DEFINE_PNV8_CHIP_TYPE(TYPE_PNV_CHIP_POWER8NVL, |
| pnv_chip_power8nvl_class_init), |
| }; |
| |
| DEFINE_TYPES(types) |