diff options
Diffstat (limited to 'sys/arch/arm64')
| -rw-r--r-- | sys/arch/arm64/dev/smmu.c | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/sys/arch/arm64/dev/smmu.c b/sys/arch/arm64/dev/smmu.c index 0b206a63875..aaf07169873 100644 --- a/sys/arch/arm64/dev/smmu.c +++ b/sys/arch/arm64/dev/smmu.c @@ -1,4 +1,4 @@ -/* $OpenBSD: smmu.c,v 1.4 2021/03/02 01:34:43 patrick Exp $ */ +/* $OpenBSD: smmu.c,v 1.5 2021/03/05 00:18:26 patrick Exp $ */ /* * Copyright (c) 2008-2009,2014-2016 Dale Rahn <drahn@dalerahn.com> * Copyright (c) 2021 Patrick Wildt <patrick@blueri.se> @@ -767,23 +767,41 @@ smmu_domain_create(struct smmu_softc *sc, uint32_t sid) M_DEVBUF, NULL, 0, EX_WAITOK | EX_NOCOALESCE); #if 0 - /* FIXME MSI map on */ + /* FIXME MSI map & PCIe address space */ { - paddr_t msi_pa = 0x78020000; /* Ampere */ - paddr_t msi_pa = 0x6020000; /* LX2K */ +#if 0 + /* Reserve and map Ampere MSI */ + paddr_t msi_pa = 0x78020000; size_t msi_len = 0x20000; - paddr_t msi_pa = 0xf0280000; /* 8040 GICv2 */ +#endif +#if 0 + /* Reserve and map LX2K MSI */ + paddr_t msi_pa = 0x6020000; + size_t msi_len = 0x20000; +#endif +#if 1 + /* Reserve and map 8040 GICv2M */ + paddr_t msi_pa = 0xf0280000; size_t msi_len = 0x40000; +#endif + extent_alloc_region(dom->sd_iovamap, msi_pa, msi_len, EX_WAITOK); while (msi_len) { smmu_enter(dom, msi_pa, msi_pa, PROT_READ | PROT_WRITE, PROT_READ | PROT_WRITE, PMAP_CACHE_WB); msi_pa += PAGE_SIZE; msi_len -= PAGE_SIZE; } - msi_pa = 0xf03f0000; /* 8040 GICP */ +#if 1 + /* Reserve and map 8040 GICP */ + msi_pa = 0xf03f0000; msi_len = 0x1000; + extent_alloc_region(dom->sd_iovamap, msi_pa, msi_len, EX_WAITOK); smmu_enter(dom, msi_pa, msi_pa, PROT_READ | PROT_WRITE, PROT_READ | PROT_WRITE, PMAP_CACHE_WB); + /* Reserve 8040 PCI address space */ + extent_alloc_region(dom->sd_iovamap, 0xc0000000, 0x20000000, + EX_WAITOK); +#endif } #endif |