ea87cc5e3c
Separate Power10/11 PHB5 implementation from Power9 PHB4 code for better maintainability and clarity. This is a pure code movement with no functional changes. Signed-off-by: Jishnu Warrier <jishnuvw@linux.ibm.com> Reviewed-by: Aditya Gupta <adityag@linux.ibm.com> Link: https://lore.kernel.org/qemu-devel/20260608093430.2729688-1-jishnuvw@linux.ibm.com Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
78 lines
2.2 KiB
C
78 lines
2.2 KiB
C
/*
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* QEMU PowerPC PowerNV (POWER10) PHB5 PEC model
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*
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* Copyright (c) 2018-2026, IBM Corporation.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "qemu/osdep.h"
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#include "hw/pci-host/pnv_phb4.h"
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#include "hw/ppc/pnv_xscom.h"
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#define XPEC_PCI_CPLT_OFFSET 0x1000000ULL
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/*
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* POWER10 definitions
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*/
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static uint32_t pnv_phb5_pec_xscom_cplt_base(PnvPhb4PecState *pec)
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{
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return PNV10_XSCOM_PEC_NEST_CPLT_BASE + XPEC_PCI_CPLT_OFFSET * pec->index;
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}
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static uint32_t pnv_phb5_pec_xscom_pci_base(PnvPhb4PecState *pec)
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{
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return PNV10_XSCOM_PEC_PCI_BASE + 0x1000000 * pec->index;
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}
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static uint32_t pnv_phb5_pec_xscom_nest_base(PnvPhb4PecState *pec)
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{
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/* index goes down ... */
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return PNV10_XSCOM_PEC_NEST_BASE - 0x1000000 * pec->index;
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}
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/*
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* PEC0 -> 3 stacks
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* PEC1 -> 3 stacks
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*/
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static const uint32_t pnv_phb5_pec_num_stacks[] = { 3, 3 };
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static void pnv_phb5_pec_class_init(ObjectClass *klass, const void *data)
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{
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PnvPhb4PecClass *pecc = PNV_PHB4_PEC_CLASS(klass);
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static const char compat[] = "ibm,power10-pbcq";
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static const char stk_compat[] = "ibm,power10-phb-stack";
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pecc->xscom_cplt_base = pnv_phb5_pec_xscom_cplt_base;
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pecc->xscom_nest_base = pnv_phb5_pec_xscom_nest_base;
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pecc->xscom_pci_base = pnv_phb5_pec_xscom_pci_base;
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pecc->xscom_nest_size = PNV10_XSCOM_PEC_NEST_SIZE;
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pecc->xscom_pci_size = PNV10_XSCOM_PEC_PCI_SIZE;
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pecc->compat = compat;
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pecc->compat_size = sizeof(compat);
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pecc->stk_compat = stk_compat;
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pecc->stk_compat_size = sizeof(stk_compat);
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pecc->version = PNV_PHB5_VERSION;
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pecc->phb_type = TYPE_PNV_PHB5;
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pecc->num_phbs = pnv_phb5_pec_num_stacks;
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}
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static const TypeInfo pnv_phb5_pec_type_info = {
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.name = TYPE_PNV_PHB5_PEC,
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.parent = TYPE_PNV_PHB4_PEC,
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.instance_size = sizeof(PnvPhb4PecState),
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.class_init = pnv_phb5_pec_class_init,
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.class_size = sizeof(PnvPhb4PecClass),
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.interfaces = (const InterfaceInfo[]) {
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{ TYPE_PNV_XSCOM_INTERFACE },
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{ }
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}
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};
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static void pnv_phb5_pec_register_types(void)
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{
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type_register_static(&pnv_phb5_pec_type_info);
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}
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type_init(pnv_phb5_pec_register_types);
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