[src/trunk]: src/sys/dev/sdmmc Handle cards that are already in low voltage (...

[jmcneill <jmcneill%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/b7fbe1c0d7cd
branches:  trunk
changeset: 809838:b7fbe1c0d7cd
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Mon Aug 03 19:17:35 2015 +0000

description:
Handle cards that are already in low voltage (1.8V) mode. Test correct
bit when determining the best SD transfer mode.

diffstat:

 sys/dev/sdmmc/sdmmc_mem.c |  15 ++++++++-------
 1 files changed, 8 insertions(+), 7 deletions(-)

diffs (53 lines):

diff -r 43949871bb2b -r b7fbe1c0d7cd sys/dev/sdmmc/sdmmc_mem.c
--- a/sys/dev/sdmmc/sdmmc_mem.c Mon Aug 03 17:33:54 2015 +0000
+++ b/sys/dev/sdmmc/sdmmc_mem.c Mon Aug 03 19:17:35 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: sdmmc_mem.c,v 1.41 2015/08/03 12:10:29 jmcneill Exp $  */
+/*     $NetBSD: sdmmc_mem.c,v 1.42 2015/08/03 19:17:35 jmcneill Exp $  */
 /*     $OpenBSD: sdmmc_mem.c,v 1.10 2009/01/09 10:55:22 jsg Exp $      */
 
 /*
@@ -45,7 +45,7 @@
 /* Routines for SD/MMC memory cards. */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sdmmc_mem.c,v 1.41 2015/08/03 12:10:29 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sdmmc_mem.c,v 1.42 2015/08/03 19:17:35 jmcneill Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_sdmmc.h"
@@ -269,7 +269,8 @@
                        goto out;
 
                delay(1000);
-
+       }
+       if (ISSET(host_ocr, MMC_OCR_S18A)) {
                SET(sc->sc_flags, SMF_UHS_MODE);
        }
 
@@ -699,20 +700,20 @@
 {
        if (ISSET(sc->sc_flags, SMF_UHS_MODE)) {
                if (ISSET(sc->sc_caps, SMC_CAPS_UHS_SDR104) &&
-                   ISSET(support_func, SD_ACCESS_MODE_SDR104)) {
+                   ISSET(support_func, 1 << SD_ACCESS_MODE_SDR104)) {
                        return SD_ACCESS_MODE_SDR104;
                }
                if (ISSET(sc->sc_caps, SMC_CAPS_UHS_DDR50) &&
-                   ISSET(support_func, SD_ACCESS_MODE_DDR50)) {
+                   ISSET(support_func, 1 << SD_ACCESS_MODE_DDR50)) {
                        return SD_ACCESS_MODE_DDR50;
                }
                if (ISSET(sc->sc_caps, SMC_CAPS_UHS_SDR50) &&
-                   ISSET(support_func, SD_ACCESS_MODE_SDR50)) {
+                   ISSET(support_func, 1 << SD_ACCESS_MODE_SDR50)) {
                        return SD_ACCESS_MODE_SDR50;
                }
        }
        if (ISSET(sc->sc_caps, SMC_CAPS_SD_HIGHSPEED) &&
-           ISSET(support_func, SD_ACCESS_MODE_SDR25)) {
+           ISSET(support_func, 1 << SD_ACCESS_MODE_SDR25)) {
                return SD_ACCESS_MODE_SDR25;
        }
        return SD_ACCESS_MODE_SDR12;