Patchwork [U-Boot,Drivers,07/19] sdhci: Add sdhci support for spear devices

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Submitter Vipin Kumar
Date Nov. 2, 2012, 5:39 p.m.
Message ID <f0682d7887c3ba91882fc3227d8094b36b2eaaf5.1351877124.git.vipin.kumar@st.com>
Download mbox | patch
Permalink /patch/196717/
State Superseded
Delegated to: Albert ARIBAUD
Headers show

Comments

Vipin Kumar - Nov. 2, 2012, 5:39 p.m.
Signed-off-by: Vipin Kumar <vipin.kumar@st.com>
---
 drivers/mmc/Makefile      |  1 +
 drivers/mmc/spear_sdhci.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 45 insertions(+)
 create mode 100644 drivers/mmc/spear_sdhci.c

Patch

diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile
index a1dd730..01dd61d 100644
--- a/drivers/mmc/Makefile
+++ b/drivers/mmc/Makefile
@@ -45,6 +45,7 @@  COBJS-$(CONFIG_PXA_MMC_GENERIC) += pxa_mmc_gen.o
 COBJS-$(CONFIG_SDHCI) += sdhci.o
 COBJS-$(CONFIG_S5P_SDHCI) += s5p_sdhci.o
 COBJS-$(CONFIG_SH_MMCIF) += sh_mmcif.o
+COBJS-$(CONFIG_SPEAR_SDHCI) += spear_sdhci.o
 COBJS-$(CONFIG_TEGRA_MMC) += tegra_mmc.o
 COBJS-$(CONFIG_DWMMC) += dw_mmc.o
 
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;
+}