diff options
Diffstat (limited to 'hw/ppc/spapr_pci.c')
-rw-r--r-- | hw/ppc/spapr_pci.c | 42 |
1 files changed, 7 insertions, 35 deletions
diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c index 7b71ad7c74..c1c9634755 100644 --- a/hw/ppc/spapr_pci.c +++ b/hw/ppc/spapr_pci.c @@ -835,7 +835,7 @@ static char *spapr_phb_get_loc_code(SpaprPhbState *sphb, PCIDevice *pdev) #define b_fff(x) b_x((x), 8, 3) /* function number */ #define b_rrrrrrrr(x) b_x((x), 0, 8) /* register number */ -/* for 'reg'/'assigned-addresses' OF properties */ +/* for 'reg' OF properties */ #define RESOURCE_CELLS_SIZE 2 #define RESOURCE_CELLS_ADDRESS 3 @@ -849,17 +849,14 @@ typedef struct ResourceFields { typedef struct ResourceProps { ResourceFields reg[8]; - ResourceFields assigned[7]; uint32_t reg_len; - uint32_t assigned_len; } ResourceProps; -/* fill in the 'reg'/'assigned-resources' OF properties for +/* fill in the 'reg' OF properties for * a PCI device. 'reg' describes resource requirements for a - * device's IO/MEM regions, 'assigned-addresses' describes the - * actual resource assignments. + * device's IO/MEM regions. * - * the properties are arrays of ('phys-addr', 'size') pairs describing + * the property is an array of ('phys-addr', 'size') pairs describing * the addressable regions of the PCI device, where 'phys-addr' is a * RESOURCE_CELLS_ADDRESS-tuple of 32-bit integers corresponding to * (phys.hi, phys.mid, phys.lo), and 'size' is a @@ -888,18 +885,7 @@ typedef struct ResourceProps { * phys.mid and phys.lo correspond respectively to the hi/lo portions * of the actual address of the region. * - * how the phys-addr/size values are used differ slightly between - * 'reg' and 'assigned-addresses' properties. namely, 'reg' has - * an additional description for the config space region of the - * device, and in the case of QEMU has n=0 and phys.mid=phys.lo=0 - * to describe the region as relocatable, with an address-mapping - * that corresponds directly to the PHB's address space for the - * resource. 'assigned-addresses' always has n=1 set with an absolute - * address assigned for the resource. in general, 'assigned-addresses' - * won't be populated, since addresses for PCI devices are generally - * unmapped initially and left to the guest to assign. - * - * note also that addresses defined in these properties are, at least + * note also that addresses defined in this property are, at least * for PAPR guests, relative to the PHBs IO/MEM windows, and * correspond directly to the addresses in the BARs. * @@ -913,8 +899,8 @@ static void populate_resource_props(PCIDevice *d, ResourceProps *rp) uint32_t dev_id = (b_bbbbbbbb(bus_num) | b_ddddd(PCI_SLOT(d->devfn)) | b_fff(PCI_FUNC(d->devfn))); - ResourceFields *reg, *assigned; - int i, reg_idx = 0, assigned_idx = 0; + ResourceFields *reg; + int i, reg_idx = 0; /* config space region */ reg = &rp->reg[reg_idx++]; @@ -943,21 +929,9 @@ static void populate_resource_props(PCIDevice *d, ResourceProps *rp) reg->phys_lo = 0; reg->size_hi = cpu_to_be32(d->io_regions[i].size >> 32); reg->size_lo = cpu_to_be32(d->io_regions[i].size); - - if (d->io_regions[i].addr == PCI_BAR_UNMAPPED) { - continue; - } - - assigned = &rp->assigned[assigned_idx++]; - assigned->phys_hi = cpu_to_be32(be32_to_cpu(reg->phys_hi) | b_n(1)); - assigned->phys_mid = cpu_to_be32(d->io_regions[i].addr >> 32); - assigned->phys_lo = cpu_to_be32(d->io_regions[i].addr); - assigned->size_hi = reg->size_hi; - assigned->size_lo = reg->size_lo; } rp->reg_len = reg_idx * sizeof(ResourceFields); - rp->assigned_len = assigned_idx * sizeof(ResourceFields); } typedef struct PCIClass PCIClass; @@ -1471,8 +1445,6 @@ static int spapr_dt_pci_device(SpaprPhbState *sphb, PCIDevice *dev, populate_resource_props(dev, &rp); _FDT(fdt_setprop(fdt, offset, "reg", (uint8_t *)rp.reg, rp.reg_len)); - _FDT(fdt_setprop(fdt, offset, "assigned-addresses", - (uint8_t *)rp.assigned, rp.assigned_len)); if (sphb->pcie_ecs && pci_is_express(dev)) { _FDT(fdt_setprop_cell(fdt, offset, "ibm,pci-config-space-type", 0x1)); |