The XSCOM addresses for the core registers are encoded in a slightly different way on POWER8 and POWER9. Signed-off-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
		
			
				
	
	
		
			130 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			130 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * QEMU PowerPC PowerNV various definitions
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 *
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 * Copyright (c) 2014-2016 BenH, IBM Corporation.
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
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 */
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#ifndef _PPC_PNV_H
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#define _PPC_PNV_H
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#include "hw/boards.h"
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#include "hw/sysbus.h"
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#include "hw/ppc/pnv_lpc.h"
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#define TYPE_PNV_CHIP "powernv-chip"
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#define PNV_CHIP(obj) OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP)
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#define PNV_CHIP_CLASS(klass) \
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     OBJECT_CLASS_CHECK(PnvChipClass, (klass), TYPE_PNV_CHIP)
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#define PNV_CHIP_GET_CLASS(obj) \
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     OBJECT_GET_CLASS(PnvChipClass, (obj), TYPE_PNV_CHIP)
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typedef enum PnvChipType {
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    PNV_CHIP_POWER8E,     /* AKA Murano (default) */
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    PNV_CHIP_POWER8,      /* AKA Venice */
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    PNV_CHIP_POWER8NVL,   /* AKA Naples */
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    PNV_CHIP_POWER9,      /* AKA Nimbus */
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} PnvChipType;
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typedef struct PnvChip {
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    /*< private >*/
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    SysBusDevice parent_obj;
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    /*< public >*/
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    uint32_t     chip_id;
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    uint64_t     ram_start;
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    uint64_t     ram_size;
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    uint32_t     nr_cores;
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    uint64_t     cores_mask;
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    void         *cores;
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    hwaddr       xscom_base;
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    MemoryRegion xscom_mmio;
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    MemoryRegion xscom;
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    AddressSpace xscom_as;
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    PnvLpcController lpc;
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} PnvChip;
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typedef struct PnvChipClass {
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    /*< private >*/
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    SysBusDeviceClass parent_class;
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    /*< public >*/
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    const char *cpu_model;
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    PnvChipType  chip_type;
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    uint64_t     chip_cfam_id;
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    uint64_t     cores_mask;
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    hwaddr       xscom_base;
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    hwaddr       xscom_core_base;
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    uint32_t (*core_pir)(PnvChip *chip, uint32_t core_id);
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} PnvChipClass;
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#define TYPE_PNV_CHIP_POWER8E TYPE_PNV_CHIP "-POWER8E"
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#define PNV_CHIP_POWER8E(obj) \
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    OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8E)
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#define TYPE_PNV_CHIP_POWER8 TYPE_PNV_CHIP "-POWER8"
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#define PNV_CHIP_POWER8(obj) \
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    OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8)
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#define TYPE_PNV_CHIP_POWER8NVL TYPE_PNV_CHIP "-POWER8NVL"
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#define PNV_CHIP_POWER8NVL(obj) \
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    OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8NVL)
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#define TYPE_PNV_CHIP_POWER9 TYPE_PNV_CHIP "-POWER9"
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#define PNV_CHIP_POWER9(obj) \
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    OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER9)
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/*
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 * This generates a HW chip id depending on an index:
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 *
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 *    0x0, 0x1, 0x10, 0x11
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 *
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 * 4 chips should be the maximum
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 */
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#define PNV_CHIP_HWID(i) ((((i) & 0x3e) << 3) | ((i) & 0x1))
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#define TYPE_POWERNV_MACHINE       MACHINE_TYPE_NAME("powernv")
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#define POWERNV_MACHINE(obj) \
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    OBJECT_CHECK(PnvMachineState, (obj), TYPE_POWERNV_MACHINE)
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typedef struct PnvMachineState {
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    /*< private >*/
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    MachineState parent_obj;
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    uint32_t     initrd_base;
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    long         initrd_size;
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    uint32_t     num_chips;
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    PnvChip      **chips;
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    ISABus       *isa_bus;
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} PnvMachineState;
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#define PNV_FDT_ADDR          0x01000000
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#define PNV_TIMEBASE_FREQ     512000000ULL
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/*
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 * POWER8 MMIO base addresses
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 */
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#define PNV_XSCOM_SIZE        0x800000000ull
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#define PNV_XSCOM_BASE(chip)                                            \
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    (chip->xscom_base + ((uint64_t)(chip)->chip_id) * PNV_XSCOM_SIZE)
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#endif /* _PPC_PNV_H */
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