/* Creates MMIO mappings base..end as well as 4 SPIs from the given base. */
static int xgene_storm_pcie_specific_mapping(struct domain *d,
const struct dt_device_node *node,
paddr_t base, paddr_t end,
int base_spi)
{
int ret;
printk("Mapping additional regions for PCIe device %s\n",
dt_node_full_name(node));
/* Map the PCIe bus resources */
ret = map_one_mmio(d, "PCI MEMORY", paddr_to_pfn(base), paddr_to_pfn(end));
if ( ret )
goto err;
ret = map_one_spi(d, "PCI#INTA", base_spi+0, DT_IRQ_TYPE_LEVEL_HIGH);
if ( ret )
goto err;
ret = map_one_spi(d, "PCI#INTB", base_spi+1, DT_IRQ_TYPE_LEVEL_HIGH);
if ( ret )
goto err;
ret = map_one_spi(d, "PCI#INTC", base_spi+2, DT_IRQ_TYPE_LEVEL_HIGH);
if ( ret )
goto err;
ret = map_one_spi(d, "PCI#INTD", base_spi+3, DT_IRQ_TYPE_LEVEL_HIGH);
if ( ret )
goto err;
ret = 0;
err:
return ret;
}
/*
* Xen does not currently support mapping MMIO regions and interrupt
* for bus child devices (referenced via the "ranges" and
* "interrupt-map" properties to domain 0). Instead for now map the
* necessary resources manually.
*/
static int xgene_storm_specific_mapping(struct domain *d)
{
int ret;
/* Map the PCIe bus resources */
ret = map_one_mmio(d, "PCI MEM REGION", paddr_to_pfn(0xe000000000UL),
paddr_to_pfn(0xe010000000UL));
if ( ret )
goto err;
ret = map_one_mmio(d, "PCI IO REGION", paddr_to_pfn(0xe080000000UL),
paddr_to_pfn(0xe080010000UL));
if ( ret )
goto err;
ret = map_one_mmio(d, "PCI CFG REGION", paddr_to_pfn(0xe0d0000000UL),
paddr_to_pfn(0xe0d0200000UL));
if ( ret )
goto err;
ret = map_one_mmio(d, "PCI MSI REGION", paddr_to_pfn(0xe010000000UL),
paddr_to_pfn(0xe010800000UL));
if ( ret )
goto err;
ret = map_one_spi(d, "PCI#INTA", 0xc2, DT_IRQ_TYPE_LEVEL_HIGH);
if ( ret )
goto err;
ret = map_one_spi(d, "PCI#INTB", 0xc3, DT_IRQ_TYPE_LEVEL_HIGH);
if ( ret )
goto err;
ret = map_one_spi(d, "PCI#INTC", 0xc4, DT_IRQ_TYPE_LEVEL_HIGH);
if ( ret )
goto err;
ret = map_one_spi(d, "PCI#INTD", 0xc5, DT_IRQ_TYPE_LEVEL_HIGH);
if ( ret )
goto err;
ret = 0;
err:
return ret;
}
