Date: Sat, 5 Jun 2004 19:17:43 GMT From: Scott Long <scottl@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 54235 for review Message-ID: <200406051917.i55JHhPj084857@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=54235 Change 54235 by scottl@scottl-esp-sparc64 on 2004/06/05 19:17:16 Create a parent DMA tag for the lsi64854 attachment. These are mostly all dummy values. busdma should really learn about newbus and be able to pass bus/parent contraints through it via an inherited parent tag. Affected files ... .. //depot/projects/scottl-esp/src/sys/dev/esp/esp_sbus.c#10 edit Differences ... ==== //depot/projects/scottl-esp/src/sys/dev/esp/esp_sbus.c#10 (text+ko) ==== @@ -199,6 +199,22 @@ lsc->sc_regt = rman_get_bustag(lsc->sc_res); lsc->sc_regh = rman_get_bushandle(lsc->sc_res); + /* Create a parent DMA tag based on this bus */ + if (bus_dma_tag_create(NULL, /* parent */ + PAGE_SIZE, 0, /* algnmnt, boundary */ + BUS_SPACE_MAXADDR, /* lowaddr */ + BUS_SPACE_MAXADDR, /* highaddr */ + NULL, NULL, /* filter, filterarg */ + BUS_SPACE_MAXSIZE_32BIT,/* maxsize */ + 0, /* nsegments */ + BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ + 0, /* flags */ + NULL, NULL, /* No locking */ + &lsc->sc_parent_dmat)) { + device_printf(dev, "cannot allocate parent DMA tag\n"); + free(lsc, M_DEVBUF); + return (ENOMEM); + } burst = sbus_get_burstsz(dev); #if ESP_SBUS_DEBUG
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