diff options
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/sgi/xbow/xbridge.c | 56 |
1 files changed, 15 insertions, 41 deletions
diff --git a/sys/arch/sgi/xbow/xbridge.c b/sys/arch/sgi/xbow/xbridge.c index cbd70b489c2..deada09cff4 100644 --- a/sys/arch/sgi/xbow/xbridge.c +++ b/sys/arch/sgi/xbow/xbridge.c @@ -1,4 +1,4 @@ -/* $OpenBSD: xbridge.c,v 1.62 2009/11/18 19:05:53 miod Exp $ */ +/* $OpenBSD: xbridge.c,v 1.63 2009/11/19 06:07:05 miod Exp $ */ /* * Copyright (c) 2008, 2009 Miodrag Vallat. @@ -1762,20 +1762,17 @@ int xbridge_address_map(struct xbpci_softc *xb, paddr_t pa, bus_addr_t *mapping, bus_addr_t *limit) { +#if 0 struct xbridge_ate *ate; - bus_addr_t ba; uint a; +#endif + bus_addr_t ba; /* * Try the direct DMA window first. */ -#ifdef TGT_OCTANE - if (sys_config.system_type == SGI_OCTANE) - ba = (bus_addr_t)pa - IP30_MEMORY_BASE; - else -#endif - ba = (bus_addr_t)pa; + ba = (bus_addr_t)pa; if (ba < BRIDGE_DMA_DIRECT_LENGTH) { *mapping = ba + BRIDGE_DMA_DIRECT_BASE; @@ -1783,6 +1780,7 @@ xbridge_address_map(struct xbpci_softc *xb, paddr_t pa, bus_addr_t *mapping, return 0; } +#if 0 /* * Did not fit, so now we need to use an ATE. * Check if an existing ATE would do the job; if not, try and @@ -1822,6 +1820,7 @@ xbridge_address_map(struct xbpci_softc *xb, paddr_t pa, bus_addr_t *mapping, #endif mtx_leave(&xb->xb_atemtx); +#endif /* * We could try allocating a bounce buffer here. @@ -1834,8 +1833,10 @@ xbridge_address_map(struct xbpci_softc *xb, paddr_t pa, bus_addr_t *mapping, void xbridge_address_unmap(struct xbpci_softc *xb, bus_addr_t ba, bus_size_t len) { +#if 0 uint a; uint refs; +#endif /* * If this address matches an ATE, unref it, and make it @@ -1844,6 +1845,7 @@ xbridge_address_unmap(struct xbpci_softc *xb, bus_addr_t ba, bus_size_t len) if (ba < BRIDGE_DMA_TRANSLATED_BASE || ba >= BRIDGE_DMA_DIRECT_BASE) return; +#if 0 if (ba & XBRIDGE_DMA_TRANSLATED_SWAP) ba &= ~XBRIDGE_DMA_TRANSLATED_SWAP; @@ -1865,6 +1867,7 @@ xbridge_address_unmap(struct xbpci_softc *xb, bus_addr_t ba, bus_size_t len) mtx_enter(&xb->xb_atemtx); xbridge_ate_unref(xb, a, refs); mtx_leave(&xb->xb_atemtx); +#endif } /* @@ -2032,20 +2035,7 @@ xbridge_dmamem_alloc(bus_dma_tag_t t, bus_size_t size, bus_size_t alignment, * XXX which do not need to restrict themselves to 32 bit DMA * XXX addresses. */ - switch (sys_config.system_type) { - default: -#ifdef TGT_ORIGIN - case SGI_IP27: - case SGI_IP35: - low = 0; - break; -#endif -#ifdef TGT_OCTANE - case SGI_OCTANE: - low = IP30_MEMORY_BASE; - break; -#endif - } + low = 0; high = low + BRIDGE_DMA_DIRECT_LENGTH - 1; return _dmamem_alloc_range(t, size, alignment, boundary, @@ -2063,25 +2053,13 @@ xbridge_dmamem_alloc(bus_dma_tag_t t, bus_size_t size, bus_size_t alignment, bus_addr_t xbridge_pa_to_device(paddr_t pa) { -#ifdef TGT_OCTANE - if (sys_config.system_type == SGI_OCTANE) - pa -= IP30_MEMORY_BASE; -#endif - return pa + BRIDGE_DMA_DIRECT_BASE; } paddr_t xbridge_device_to_pa(bus_addr_t addr) { - paddr_t pa = addr - BRIDGE_DMA_DIRECT_BASE; - -#ifdef TGT_OCTANE - if (sys_config.system_type == SGI_OCTANE) - pa += IP30_MEMORY_BASE; -#endif - - return pa; + return addr - BRIDGE_DMA_DIRECT_BASE; } /* @@ -2139,12 +2117,8 @@ xbridge_setup(struct xbpci_softc *xb) * XXX assumes masternasid is 0 */ - if (sys_config.system_type == SGI_OCTANE) - xbridge_write_reg(xb, BRIDGE_DIR_MAP, BRIDGE_DIRMAP_ADD_512MB | - (xbow_intr_widget << BRIDGE_DIRMAP_WIDGET_SHIFT)); - else - xbridge_write_reg(xb, BRIDGE_DIR_MAP, - xbow_intr_widget << BRIDGE_DIRMAP_WIDGET_SHIFT); + xbridge_write_reg(xb, BRIDGE_DIR_MAP, + xbow_intr_widget << BRIDGE_DIRMAP_WIDGET_SHIFT); /* * Figure out how many ATE we can use for non-direct DMA, and |