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>

diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile
index 1d6faa2a9249b023e265681086804570855655fe..fb6b502dcaa2188b907ef2ab76801adbdf048b62 100644 (file)
--- a/drivers/mmc/Makefile
+++ b/drivers/mmc/Makefile
@@ -46,6 +46,7 @@ COBJS-$(CONFIG_SDHCI) += sdhci.o
 COBJS-$(CONFIG_BCM2835_SDHCI) += bcm2835_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-$(CONFIG_DWMMC) += dw_mmc.o
 COBJS-$(CONFIG_EXYNOS_DWMMC) += exynos_dw_mmc.o

diff --git a/drivers/mmc/spear_sdhci.c b/drivers/mmc/spear_sdhci.c
new file mode 100644 (file)
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;
+}