Date: Wed, 26 Apr 2006 23:27:54 GMT From: Marcel Moolenaar <marcel@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 96170 for review Message-ID: <200604262327.k3QNRsam015497@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=96170 Change 96170 by marcel@marcel_nfs on 2006/04/26 23:26:58 Save the final value of the SPR register in the least significant bits. That allows us easy access from within the interrupt handler. Affected files ... .. //depot/projects/uart/dev/puc/pucdata.c#29 edit Differences ... ==== //depot/projects/uart/dev/puc/pucdata.c#29 (text+ko) ==== @@ -743,7 +743,7 @@ /* Clear DLAB in the LCR register of UART 0. */ bus_write_1(bar->b_res, 3, 0); /* Save the two values read-back from the SPR register. */ - sc->sc_cfg_data = (v1 << 8) | v0; + sc->sc_cfg_data = (v0 << 8) | v1; if (v0 == 0 && v1 == 0x80 + -cfg->clock) { /* * The SPR register echoed the two values written @@ -779,8 +779,8 @@ "%d selected\n", 1 << -cfg->clock); return (0); case PUC_CFG_GET_CLOCK: - v0 = sc->sc_cfg_data & 0xff; - v1 = (sc->sc_cfg_data >> 8) & 0xff; + v0 = (sc->sc_cfg_data >> 8) & 0xff; + v1 = sc->sc_cfg_data & 0xff; if (v0 == 0 && v1 == 0x80 + -cfg->clock) { /* * XXX With the SPAD jumper applied, there's no @@ -801,8 +801,8 @@ *res = DEFAULT_RCLK << v0; return (0); case PUC_CFG_GET_ILR: - v0 = sc->sc_cfg_data & 0xff; - v1 = (sc->sc_cfg_data >> 8) & 0xff; + v0 = (sc->sc_cfg_data >> 8) & 0xff; + v1 = sc->sc_cfg_data & 0xff; *res = (v0 == 0 && v1 == 0x80 + -cfg->clock) ? PUC_ILR_NONE : PUC_ILR_QUATECH; return (0);
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