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 #ifndef _PPC_PNV_LPC_H 20 #define _PPC_PNV_LPC_H 21 22 #include "hw/ppc/pnv_psi.h" 23 24 #define TYPE_PNV_LPC "pnv-lpc" 25 #define PNV_LPC(obj) \ 26 OBJECT_CHECK(PnvLpcController, (obj), TYPE_PNV_LPC) 27 28 typedef struct PnvLpcController { 29 DeviceState parent; 30 31 uint64_t eccb_stat_reg; 32 uint32_t eccb_data_reg; 33 34 /* OPB bus */ 35 MemoryRegion opb_mr; 36 AddressSpace opb_as; 37 38 /* ISA IO and Memory space */ 39 MemoryRegion isa_io; 40 MemoryRegion isa_mem; 41 42 /* Windows from OPB to ISA (aliases) */ 43 MemoryRegion opb_isa_io; 44 MemoryRegion opb_isa_mem; 45 MemoryRegion opb_isa_fw; 46 47 /* Registers */ 48 MemoryRegion lpc_hc_regs; 49 MemoryRegion opb_master_regs; 50 51 /* OPB Master LS registers */ 52 uint32_t opb_irq_stat; 53 uint32_t opb_irq_mask; 54 uint32_t opb_irq_pol; 55 uint32_t opb_irq_input; 56 57 /* LPC HC registers */ 58 uint32_t lpc_hc_fw_seg_idsel; 59 uint32_t lpc_hc_fw_rd_acc_size; 60 uint32_t lpc_hc_irqser_ctrl; 61 uint32_t lpc_hc_irqmask; 62 uint32_t lpc_hc_irqstat; 63 uint32_t lpc_hc_error_addr; 64 65 /* XSCOM registers */ 66 MemoryRegion xscom_regs; 67 68 /* PSI to generate interrupts */ 69 PnvPsi *psi; 70 } PnvLpcController; 71 72 qemu_irq *pnv_lpc_isa_irq_create(PnvLpcController *lpc, int chip_type, 73 int nirqs); 74 75 #endif /* _PPC_PNV_LPC_H */ 76