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-rw-r--r--hw/sd/omap_mmc.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/hw/sd/omap_mmc.c b/hw/sd/omap_mmc.c
index 671264b650..d0c98ca021 100644
--- a/hw/sd/omap_mmc.c
+++ b/hw/sd/omap_mmc.c
@@ -1,6 +1,8 @@
/*
* OMAP on-chip MMC/SD host emulation.
*
+ * Datasheet: TI Multimedia Card (MMC/SD/SDIO) Interface (SPRU765A)
+ *
* Copyright (C) 2006-2007 Andrzej Zaborowski <balrog@zabor.org>
*
* This program is free software; you can redistribute it and/or
@@ -278,6 +280,12 @@ static void omap_mmc_update(void *opaque)
omap_mmc_interrupts_update(s);
}
+static void omap_mmc_pseudo_reset(struct omap_mmc_s *host)
+{
+ host->status = 0;
+ host->fifo_len = 0;
+}
+
void omap_mmc_reset(struct omap_mmc_s *host)
{
host->last_cmd = 0;
@@ -286,11 +294,9 @@ void omap_mmc_reset(struct omap_mmc_s *host)
host->dw = 0;
host->mode = 0;
host->enable = 0;
- host->status = 0;
host->mask = 0;
host->cto = 0;
host->dto = 0;
- host->fifo_len = 0;
host->blen = 0;
host->blen_counter = 0;
host->nblk = 0;
@@ -305,6 +311,8 @@ void omap_mmc_reset(struct omap_mmc_s *host)
qemu_set_irq(host->coverswitch, host->cdet_state);
host->clkdiv = 0;
+ omap_mmc_pseudo_reset(host);
+
/* Since we're still using the legacy SD API the card is not plugged
* into any bus, and we must reset it manually. When omap_mmc is
* QOMified this must move into the QOM reset function.
@@ -459,7 +467,7 @@ static void omap_mmc_write(void *opaque, hwaddr offset,
if (s->dw != 0 && s->lines < 4)
printf("4-bit SD bus enabled\n");
if (!s->enable)
- omap_mmc_reset(s);
+ omap_mmc_pseudo_reset(s);
break;
case 0x10: /* MMC_STAT */