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-rw-r--r--arch/arm/include/asm/arch-hi6220/dwmmc.h8
-rw-r--r--drivers/mmc/Makefile1
-rw-r--r--drivers/mmc/hi6220_dw_mmc.c56
3 files changed, 65 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-hi6220/dwmmc.h b/arch/arm/include/asm/arch-hi6220/dwmmc.h
new file mode 100644
index 0000000..c747383
--- /dev/null
+++ b/arch/arm/include/asm/arch-hi6220/dwmmc.h
@@ -0,0 +1,8 @@
+/*
+ * (C) Copyright 2015 Linaro
+ * Peter Griffin <peter.griffin@linaro.org>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+int hi6220_dwmci_add_port(int index, u32 regbase, int bus_width);
diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile
index 286df2f..cae207c 100644
--- a/drivers/mmc/Makefile
+++ b/drivers/mmc/Makefile
@@ -13,6 +13,7 @@ obj-$(CONFIG_BFIN_SDH) += bfin_sdh.o
obj-$(CONFIG_DAVINCI_MMC) += davinci_mmc.o
obj-$(CONFIG_DWMMC) += dw_mmc.o
obj-$(CONFIG_EXYNOS_DWMMC) += exynos_dw_mmc.o
+obj-$(CONFIG_HIKEY_DWMMC) += hi6220_dw_mmc.o
obj-$(CONFIG_FSL_ESDHC) += fsl_esdhc.o
obj-$(CONFIG_FTSDC010) += ftsdc010_mci.o
obj-$(CONFIG_FTSDC021) += ftsdc021_sdhci.o
diff --git a/drivers/mmc/hi6220_dw_mmc.c b/drivers/mmc/hi6220_dw_mmc.c
new file mode 100644
index 0000000..731458c
--- /dev/null
+++ b/drivers/mmc/hi6220_dw_mmc.c
@@ -0,0 +1,56 @@
+/*
+ * (C) Copyright 2015 Linaro
+ * peter.griffin <peter.griffin@linaro.org>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <dwmmc.h>
+#include <malloc.h>
+#include <asm-generic/errno.h>
+
+#define DWMMC_MAX_CH_NUM 4
+
+#define DWMMC_MAX_FREQ 50000000
+#define DWMMC_MIN_FREQ 400000
+
+/* Source clock is configured to 100MHz by ATF bl1*/
+#define MMC0_DEFAULT_FREQ 100000000
+
+static int hi6220_dwmci_core_init(struct dwmci_host *host, int index)
+{
+ host->name = "HiKey DWMMC";
+
+ host->dev_index = index;
+
+ /* Add the mmc channel to be registered with mmc core */
+ if (add_dwmci(host, DWMMC_MAX_FREQ, DWMMC_MIN_FREQ)) {
+ printf("DWMMC%d registration failed\n", index);
+ return -1;
+ }
+ return 0;
+}
+
+/*
+ * This function adds the mmc channel to be registered with mmc core.
+ * index - mmc channel number.
+ * regbase - register base address of mmc channel specified in 'index'.
+ * bus_width - operating bus width of mmc channel specified in 'index'.
+ */
+int hi6220_dwmci_add_port(int index, u32 regbase, int bus_width)
+{
+ struct dwmci_host *host = NULL;
+
+ host = calloc(1, sizeof(struct dwmci_host));
+ if (!host) {
+ error("dwmci_host calloc failed!\n");
+ return -ENOMEM;
+ }
+
+ host->ioaddr = (void *)regbase;
+ host->buswidth = bus_width;
+ host->bus_hz = MMC0_DEFAULT_FREQ;
+
+ return hi6220_dwmci_core_init(host, index);
+}