summaryrefslogtreecommitdiff
path: root/drivers/mmc/ftsdc021_sdhci.c
diff options
context:
space:
mode:
authorKuo-Jung Su <dantesu@faraday-tech.com>2013-11-25 10:51:41 +0800
committerPantelis Antoniou <panto@antoniou-consulting.com>2013-12-08 14:23:05 +0200
commitadebb98ba12008021e75a2881deb424db0184770 (patch)
treea70efe059a19e9c307739343aa64e1be14985465 /drivers/mmc/ftsdc021_sdhci.c
parent4520a2f28eade14b97618b37148ac615e78783df (diff)
downloadu-boot-imx-adebb98ba12008021e75a2881deb424db0184770.zip
u-boot-imx-adebb98ba12008021e75a2881deb424db0184770.tar.gz
u-boot-imx-adebb98ba12008021e75a2881deb424db0184770.tar.bz2
mmc: add Faraday FTSDC021 SDHCI controller support
Faraday FTSDC021 is a controller which is compliant with SDHCI v3.0, SDIO v2.0 and MMC v4.3. However this driver is only verified with SD memory cards. Signed-off-by: Kuo-Jung Su <dantesu@faraday-tech.com> Acked-by: Pantelis Antoniou <panto@antoniou-consulting.com> CC: Andy Fleming <afleming@gmail.com>
Diffstat (limited to 'drivers/mmc/ftsdc021_sdhci.c')
-rw-r--r--drivers/mmc/ftsdc021_sdhci.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/mmc/ftsdc021_sdhci.c b/drivers/mmc/ftsdc021_sdhci.c
new file mode 100644
index 0000000..1f6cdba
--- /dev/null
+++ b/drivers/mmc/ftsdc021_sdhci.c
@@ -0,0 +1,33 @@
+/*
+ * (C) Copyright 2013 Faraday Technology
+ * Kuo-Jung Su <dantesu@faraday-tech.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <malloc.h>
+#include <sdhci.h>
+
+#ifndef CONFIG_FTSDC021_CLOCK
+#define CONFIG_FTSDC021_CLOCK clk_get_rate("MMC")
+#endif
+
+int ftsdc021_sdhci_init(u32 regbase)
+{
+ struct sdhci_host *host = NULL;
+ uint32_t freq = CONFIG_FTSDC021_CLOCK;
+
+ host = calloc(1, sizeof(struct sdhci_host));
+ if (!host) {
+ puts("sdh_host malloc fail!\n");
+ return 1;
+ }
+
+ host->name = "FTSDC021";
+ host->ioaddr = (void __iomem *)regbase;
+ host->quirks = 0;
+ add_sdhci(host, freq, 0);
+
+ return 0;
+}