1 /* 2 * QEMU PowerPC PowerNV LPC controller 3 * 4 * Copyright (c) 2016, IBM Corporation. 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #ifndef PPC_PNV_LPC_H 21 #define PPC_PNV_LPC_H 22 23 #include "hw/ppc/pnv_psi.h" 24 25 #define TYPE_PNV_LPC "pnv-lpc" 26 #define PNV_LPC(obj) \ 27 OBJECT_CHECK(PnvLpcController, (obj), TYPE_PNV_LPC) 28 #define TYPE_PNV8_LPC TYPE_PNV_LPC "-POWER8" 29 #define PNV8_LPC(obj) OBJECT_CHECK(PnvLpcController, (obj), TYPE_PNV8_LPC) 30 31 #define TYPE_PNV9_LPC TYPE_PNV_LPC "-POWER9" 32 #define PNV9_LPC(obj) OBJECT_CHECK(PnvLpcController, (obj), TYPE_PNV9_LPC) 33 34 #define TYPE_PNV10_LPC TYPE_PNV_LPC "-POWER10" 35 #define PNV10_LPC(obj) OBJECT_CHECK(PnvLpcController, (obj), TYPE_PNV10_LPC) 36 37 typedef struct PnvLpcController { 38 DeviceState parent; 39 40 uint64_t eccb_stat_reg; 41 uint32_t eccb_data_reg; 42 43 /* OPB bus */ 44 MemoryRegion opb_mr; 45 AddressSpace opb_as; 46 47 /* ISA IO and Memory space */ 48 MemoryRegion isa_io; 49 MemoryRegion isa_mem; 50 MemoryRegion isa_fw; 51 52 /* Windows from OPB to ISA (aliases) */ 53 MemoryRegion opb_isa_io; 54 MemoryRegion opb_isa_mem; 55 MemoryRegion opb_isa_fw; 56 57 /* Registers */ 58 MemoryRegion lpc_hc_regs; 59 MemoryRegion opb_master_regs; 60 61 /* OPB Master LS registers */ 62 uint32_t opb_irq_route0; 63 uint32_t opb_irq_route1; 64 uint32_t opb_irq_stat; 65 uint32_t opb_irq_mask; 66 uint32_t opb_irq_pol; 67 uint32_t opb_irq_input; 68 69 /* LPC HC registers */ 70 uint32_t lpc_hc_fw_seg_idsel; 71 uint32_t lpc_hc_fw_rd_acc_size; 72 uint32_t lpc_hc_irqser_ctrl; 73 uint32_t lpc_hc_irqmask; 74 uint32_t lpc_hc_irqstat; 75 uint32_t lpc_hc_error_addr; 76 77 /* XSCOM registers */ 78 MemoryRegion xscom_regs; 79 80 /* PSI to generate interrupts */ 81 PnvPsi *psi; 82 } PnvLpcController; 83 84 #define PNV_LPC_CLASS(klass) \ 85 OBJECT_CLASS_CHECK(PnvLpcClass, (klass), TYPE_PNV_LPC) 86 #define PNV_LPC_GET_CLASS(obj) \ 87 OBJECT_GET_CLASS(PnvLpcClass, (obj), TYPE_PNV_LPC) 88 89 typedef struct PnvLpcClass { 90 DeviceClass parent_class; 91 92 int psi_irq; 93 94 DeviceRealize parent_realize; 95 } PnvLpcClass; 96 97 /* 98 * Old compilers error on typdef forward declarations. Keep them happy. 99 */ 100 struct PnvChip; 101 102 ISABus *pnv_lpc_isa_create(PnvLpcController *lpc, bool use_cpld, Error **errp); 103 int pnv_dt_lpc(struct PnvChip *chip, void *fdt, int root_offset, 104 uint64_t lpcm_addr, uint64_t lpcm_size); 105 106 #endif /* PPC_PNV_LPC_H */ 107