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when resetting controller, dont preserve DWC_MMC_CTRL_REG state. makes this work on my radxa lite

This commit is contained in:
jmcneill 2015-01-22 17:06:15 +00:00
parent 74a044786f
commit 947353a9f3
1 changed files with 3 additions and 4 deletions
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7
sys/dev/ic/dwc_mmc.c
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@ -1,4 +1,4 @@
/* $NetBSD: dwc_mmc.c,v 1.5 2015/01/17 19:10:18 jmcneill Exp $ */
/* $NetBSD: dwc_mmc.c,v 1.6 2015/01/22 17:06:15 jmcneill Exp $ */
/*-
* Copyright (c) 2014 Jared D. McNeill <jmcneill@invisible.ca>
@ -29,7 +29,7 @@
#include "opt_dwc_mmc.h"
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: dwc_mmc.c,v 1.5 2015/01/17 19:10:18 jmcneill Exp $");
__KERNEL_RCSID(0, "$NetBSD: dwc_mmc.c,v 1.6 2015/01/22 17:06:15 jmcneill Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@ -290,8 +290,7 @@ dwc_mmc_host_reset(sdmmc_chipset_handle_t sch)
MMC_WRITE(sc, DWC_MMC_PWREN_REG, DWC_MMC_PWREN_POWER_ENABLE);
}
MMC_WRITE(sc, DWC_MMC_CTRL_REG,
MMC_READ(sc, DWC_MMC_CTRL_REG) | DWC_MMC_CTRL_RESET_ALL);
MMC_WRITE(sc, DWC_MMC_CTRL_REG, DWC_MMC_CTRL_RESET_ALL);
while (--retry > 0) {
ctrl = MMC_READ(sc, DWC_MMC_CTRL_REG);
if ((ctrl & DWC_MMC_CTRL_RESET_ALL) == 0)