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authorVipin Kumar <vipin.kumar@st.com>2012-12-05 20:44:09 +0000
committerAndy Fleming <afleming@freescale.com>2013-05-06 16:26:24 -0500
commit1f4ca2547c9a3bdaf1e592a08370cba2b139471b (patch)
tree6ce402cd4f3163a4f9d7b5c4c8909a3680a2c071 /drivers/mmc/spear_sdhci.c
parent3ba36d603a6fc2806fc55fd814d8c5cc4ca93547 (diff)
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sdhci: Add sdhci support for spear devices
Signed-off-by: Vipin Kumar <vipin.kumar@st.com> Acked-by: Stefan Roese <sr@denx.de> Acked-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Andy Fleming <afleming@freescale.com>
Diffstat (limited to 'drivers/mmc/spear_sdhci.c')
-rw-r--r--drivers/mmc/spear_sdhci.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/mmc/spear_sdhci.c b/drivers/mmc/spear_sdhci.c
new file mode 100644
index 0000000..23f1f4b
--- /dev/null
+++ b/drivers/mmc/spear_sdhci.c
@@ -0,0 +1,44 @@
+/*
+ * (C) Copyright 2012
+ * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <malloc.h>
+#include <sdhci.h>
+
+int spear_sdhci_init(u32 regbase, u32 max_clk, u32 min_clk, u32 quirks)
+{
+ struct sdhci_host *host = NULL;
+ host = (struct sdhci_host *)malloc(sizeof(struct sdhci_host));
+ if (!host) {
+ printf("sdhci host malloc fail!\n");
+ return 1;
+ }
+
+ host->name = "sdhci";
+ host->ioaddr = (void *)regbase;
+ host->quirks = quirks;
+
+ if (quirks & SDHCI_QUIRK_REG32_RW)
+ host->version = sdhci_readl(host, SDHCI_HOST_VERSION - 2) >> 16;
+ else
+ host->version = sdhci_readw(host, SDHCI_HOST_VERSION);
+
+ add_sdhci(host, max_clk, min_clk);
+ return 0;
+}