Module Name: src
Committed By: jmcneill
Date: Fri Jul 21 01:00:58 UTC 2017
Modified Files:
src/sys/arch/arm/nvidia: tegra_sdhc.c
Log Message:
Disable UHS modes if signaling voltage regulator is unavailable.
To generate a diff of this commit:
cvs rdiff -u -r1.20 -r1.21 src/sys/arch/arm/nvidia/tegra_sdhc.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/arm/nvidia/tegra_sdhc.c
diff -u src/sys/arch/arm/nvidia/tegra_sdhc.c:1.20 src/sys/arch/arm/nvidia/tegra_sdhc.c:1.21
--- src/sys/arch/arm/nvidia/tegra_sdhc.c:1.20 Thu May 25 23:53:50 2017
+++ src/sys/arch/arm/nvidia/tegra_sdhc.c Fri Jul 21 01:00:58 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: tegra_sdhc.c,v 1.20 2017/05/25 23:53:50 jmcneill Exp $ */
+/* $NetBSD: tegra_sdhc.c,v 1.21 2017/07/21 01:00:58 jmcneill Exp $ */
/*-
* Copyright (c) 2015 Jared D. McNeill <[email protected]>
@@ -31,7 +31,7 @@
#include "locators.h"
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: tegra_sdhc.c,v 1.20 2017/05/25 23:53:50 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: tegra_sdhc.c,v 1.21 2017/07/21 01:00:58 jmcneill Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -165,6 +165,14 @@ tegra_sdhc_attach(device_t parent, devic
"vqmmc-supply");
if (sc->sc_reg_vqmmc) {
sc->sc.sc_vendor_signal_voltage = tegra_sdhc_signal_voltage;
+ } else {
+ /* Regulator required for UHS signaling */
+ sc->sc.sc_flags |= SDHC_FLAG_HOSTCAPS;
+ sc->sc.sc_caps = bus_space_read_4(sc->sc_bst, sc->sc_bsh,
+ SDHC_CAPABILITIES);
+ sc->sc.sc_caps2 = bus_space_read_4(sc->sc_bst, sc->sc_bsh,
+ SDHC_CAPABILITIES2);
+ sc->sc.sc_caps2 &= ~(SDHC_SDR50_SUPP|SDHC_SDR104_SUPP|SDHC_DDR50_SUPP);
}
sc->sc_clk = fdtbus_clock_get_index(faa->faa_phandle, 0);
