qemu-e2k/include/hw/ppc/pnv.h
Cédric Le Goater 5509db4aec ppc/pnv: add a helper to calculate MMIO addresses registers
Some controllers (ICP, PSI) have a base register address which is
calculated using the chip id.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2017-04-26 12:00:42 +10:00

140 lines
4.0 KiB
C

/*
* QEMU PowerPC PowerNV various definitions
*
* Copyright (c) 2014-2016 BenH, 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 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/>.
*/
#ifndef _PPC_PNV_H
#define _PPC_PNV_H
#include "hw/boards.h"
#include "hw/sysbus.h"
#include "hw/ppc/pnv_lpc.h"
#define TYPE_PNV_CHIP "powernv-chip"
#define PNV_CHIP(obj) OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP)
#define PNV_CHIP_CLASS(klass) \
OBJECT_CLASS_CHECK(PnvChipClass, (klass), TYPE_PNV_CHIP)
#define PNV_CHIP_GET_CLASS(obj) \
OBJECT_GET_CLASS(PnvChipClass, (obj), TYPE_PNV_CHIP)
typedef enum PnvChipType {
PNV_CHIP_POWER8E, /* AKA Murano (default) */
PNV_CHIP_POWER8, /* AKA Venice */
PNV_CHIP_POWER8NVL, /* AKA Naples */
PNV_CHIP_POWER9, /* AKA Nimbus */
} PnvChipType;
typedef struct PnvChip {
/*< private >*/
SysBusDevice parent_obj;
/*< public >*/
uint32_t chip_id;
uint64_t ram_start;
uint64_t ram_size;
uint32_t nr_cores;
uint64_t cores_mask;
void *cores;
hwaddr xscom_base;
MemoryRegion xscom_mmio;
MemoryRegion xscom;
AddressSpace xscom_as;
PnvLpcController lpc;
} PnvChip;
typedef struct PnvChipClass {
/*< private >*/
SysBusDeviceClass parent_class;
/*< public >*/
const char *cpu_model;
PnvChipType chip_type;
uint64_t chip_cfam_id;
uint64_t cores_mask;
hwaddr xscom_base;
hwaddr xscom_core_base;
uint32_t (*core_pir)(PnvChip *chip, uint32_t core_id);
} PnvChipClass;
#define TYPE_PNV_CHIP_POWER8E TYPE_PNV_CHIP "-POWER8E"
#define PNV_CHIP_POWER8E(obj) \
OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8E)
#define TYPE_PNV_CHIP_POWER8 TYPE_PNV_CHIP "-POWER8"
#define PNV_CHIP_POWER8(obj) \
OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8)
#define TYPE_PNV_CHIP_POWER8NVL TYPE_PNV_CHIP "-POWER8NVL"
#define PNV_CHIP_POWER8NVL(obj) \
OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER8NVL)
#define TYPE_PNV_CHIP_POWER9 TYPE_PNV_CHIP "-POWER9"
#define PNV_CHIP_POWER9(obj) \
OBJECT_CHECK(PnvChip, (obj), TYPE_PNV_CHIP_POWER9)
/*
* This generates a HW chip id depending on an index, as found on a
* two socket system with dual chip modules :
*
* 0x0, 0x1, 0x10, 0x11
*
* 4 chips should be the maximum
*
* TODO: use a machine property to define the chip ids
*/
#define PNV_CHIP_HWID(i) ((((i) & 0x3e) << 3) | ((i) & 0x1))
/*
* Converts back a HW chip id to an index. This is useful to calculate
* the MMIO addresses of some controllers which depend on the chip id.
*/
#define PNV_CHIP_INDEX(chip) \
(((chip)->chip_id >> 2) * 2 + ((chip)->chip_id & 0x3))
#define TYPE_POWERNV_MACHINE MACHINE_TYPE_NAME("powernv")
#define POWERNV_MACHINE(obj) \
OBJECT_CHECK(PnvMachineState, (obj), TYPE_POWERNV_MACHINE)
typedef struct PnvMachineState {
/*< private >*/
MachineState parent_obj;
uint32_t initrd_base;
long initrd_size;
uint32_t num_chips;
PnvChip **chips;
ISABus *isa_bus;
} PnvMachineState;
#define PNV_FDT_ADDR 0x01000000
#define PNV_TIMEBASE_FREQ 512000000ULL
/*
* POWER8 MMIO base addresses
*/
#define PNV_XSCOM_SIZE 0x800000000ull
#define PNV_XSCOM_BASE(chip) \
(chip->xscom_base + ((uint64_t)(chip)->chip_id) * PNV_XSCOM_SIZE)
#endif /* _PPC_PNV_H */