diff options
| -rw-r--r-- | sys/arch/arm64/dev/pciecam.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/sys/arch/arm64/dev/pciecam.c b/sys/arch/arm64/dev/pciecam.c index 11958dd20b6..0480a6c1595 100644 --- a/sys/arch/arm64/dev/pciecam.c +++ b/sys/arch/arm64/dev/pciecam.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pciecam.c,v 1.10 2020/07/14 15:42:19 patrick Exp $ */ +/* $OpenBSD: pciecam.c,v 1.11 2020/11/19 17:42:19 kettenis Exp $ */ /* * Copyright (c) 2013,2017 Patrick Wildt <patrick@blueri.se> * @@ -106,6 +106,7 @@ void *pciecam_intr_establish(void *, pci_intr_handle_t, int, struct cpu_info *, int (*func)(void *), void *, char *); void pciecam_intr_disestablish(void *, void *); int pciecam_bs_map(bus_space_tag_t, bus_addr_t, bus_size_t, int, bus_space_handle_t *); +paddr_t pciecam_bs_mmap(bus_space_tag_t, bus_addr_t, off_t, int, int); struct cfattach pciecam_ca = { sizeof (struct pciecam_softc), pciecam_match, pciecam_attach @@ -217,6 +218,7 @@ pciecam_attach(struct device *parent, struct device *self, void *aux) memcpy(&sc->sc_bus, sc->sc_iot, sizeof(sc->sc_bus)); sc->sc_bus.bus_private = sc; sc->sc_bus._space_map = pciecam_bs_map; + sc->sc_bus._space_mmap = pciecam_bs_mmap; sc->sc_pc.pc_conf_v = sc; sc->sc_pc.pc_attach_hook = pciecam_attach_hook; @@ -413,3 +415,24 @@ pciecam_bs_map(bus_space_tag_t t, bus_addr_t bpa, bus_size_t size, return ENXIO; } + +paddr_t +pciecam_bs_mmap(bus_space_tag_t t, bus_addr_t bpa, off_t off, + int prot, int flags) +{ + struct pciecam_softc *sc = t->bus_private; + uint64_t physbase, pcibase, psize; + int i; + + for (i = 0; i < sc->sc_pcirangeslen; i++) { + physbase = sc->sc_pciranges[i].phys_base; + pcibase = sc->sc_pciranges[i].pci_base; + psize = sc->sc_pciranges[i].size; + + if (bpa >= pcibase && bpa < pcibase + psize) + return bus_space_mmap(sc->sc_iot, + bpa - pcibase + physbase, off, prot, flags); + } + + return -1; +} |