2b548a4255
This is an empty shell with the XSCOM bus and cores. The chip controllers will come later. Signed-off-by: Cédric Le Goater <clg@kaod.org> Message-Id: <20191205184454.10722-3-clg@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
122 lines
4.0 KiB
C
122 lines
4.0 KiB
C
/*
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* QEMU PowerPC PowerNV XSCOM bus definitions
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*
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* Copyright (c) 2016, 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_XSCOM_H
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#define PPC_PNV_XSCOM_H
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#include "qom/object.h"
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typedef struct PnvXScomInterface {
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Object parent;
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} PnvXScomInterface;
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#define TYPE_PNV_XSCOM_INTERFACE "pnv-xscom-interface"
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#define PNV_XSCOM_INTERFACE(obj) \
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OBJECT_CHECK(PnvXScomInterface, (obj), TYPE_PNV_XSCOM_INTERFACE)
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#define PNV_XSCOM_INTERFACE_CLASS(klass) \
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OBJECT_CLASS_CHECK(PnvXScomInterfaceClass, (klass), \
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TYPE_PNV_XSCOM_INTERFACE)
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#define PNV_XSCOM_INTERFACE_GET_CLASS(obj) \
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OBJECT_GET_CLASS(PnvXScomInterfaceClass, (obj), TYPE_PNV_XSCOM_INTERFACE)
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typedef struct PnvXScomInterfaceClass {
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InterfaceClass parent;
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int (*dt_xscom)(PnvXScomInterface *dev, void *fdt, int offset);
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} PnvXScomInterfaceClass;
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/*
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* Layout of the XSCOM PCB addresses of EX core 1 (POWER 8)
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*
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* GPIO 0x1100xxxx
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* SCOM 0x1101xxxx
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* OHA 0x1102xxxx
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* CLOCK CTL 0x1103xxxx
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* FIR 0x1104xxxx
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* THERM 0x1105xxxx
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* <reserved> 0x1106xxxx
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* ..
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* 0x110Exxxx
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* PCB SLAVE 0x110Fxxxx
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*/
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#define PNV_XSCOM_EX_CORE_BASE 0x10000000ull
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#define PNV_XSCOM_EX_BASE(core) \
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(PNV_XSCOM_EX_CORE_BASE | ((uint64_t)(core) << 24))
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#define PNV_XSCOM_EX_SIZE 0x100000
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#define PNV_XSCOM_LPC_BASE 0xb0020
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#define PNV_XSCOM_LPC_SIZE 0x4
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#define PNV_XSCOM_PSIHB_BASE 0x2010900
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#define PNV_XSCOM_PSIHB_SIZE 0x20
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#define PNV_XSCOM_OCC_BASE 0x0066000
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#define PNV_XSCOM_OCC_SIZE 0x6000
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/*
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* Layout of the XSCOM PCB addresses (POWER 9)
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*/
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#define PNV9_XSCOM_EC_BASE(core) \
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((uint64_t)(((core) & 0x1F) + 0x20) << 24)
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#define PNV9_XSCOM_EC_SIZE 0x100000
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#define PNV9_XSCOM_EQ_BASE(core) \
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((uint64_t)(((core) & 0x1C) + 0x40) << 22)
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#define PNV9_XSCOM_EQ_SIZE 0x100000
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#define PNV9_XSCOM_OCC_BASE PNV_XSCOM_OCC_BASE
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#define PNV9_XSCOM_OCC_SIZE 0x8000
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#define PNV9_XSCOM_PSIHB_BASE 0x5012900
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#define PNV9_XSCOM_PSIHB_SIZE 0x100
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#define PNV9_XSCOM_XIVE_BASE 0x5013000
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#define PNV9_XSCOM_XIVE_SIZE 0x300
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/*
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* Layout of the XSCOM PCB addresses (POWER 10)
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*/
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#define PNV10_XSCOM_EQ_CHIPLET(core) (0x20 + ((core) >> 2))
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#define PNV10_XSCOM_EQ(chiplet) ((chiplet) << 24)
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#define PNV10_XSCOM_EC(proc) \
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((0x2 << 16) | ((1 << (3 - (proc))) << 12))
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#define PNV10_XSCOM_EQ_BASE(core) \
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((uint64_t) PNV10_XSCOM_EQ(PNV10_XSCOM_EQ_CHIPLET(core)))
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#define PNV10_XSCOM_EQ_SIZE 0x100000
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#define PNV10_XSCOM_EC_BASE(core) \
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((uint64_t) PNV10_XSCOM_EQ_BASE(core) | PNV10_XSCOM_EC(core & 0x3))
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#define PNV10_XSCOM_EC_SIZE 0x100000
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extern void pnv_xscom_realize(PnvChip *chip, uint64_t size, Error **errp);
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extern int pnv_dt_xscom(PnvChip *chip, void *fdt, int offset);
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extern void pnv_xscom_add_subregion(PnvChip *chip, hwaddr offset,
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MemoryRegion *mr);
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extern void pnv_xscom_region_init(MemoryRegion *mr,
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struct Object *owner,
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const MemoryRegionOps *ops,
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void *opaque,
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const char *name,
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uint64_t size);
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#endif /* PPC_PNV_XSCOM_H */
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