[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/mmc/host/sdhci-dove.c b/src/kernel/linux/v4.14/drivers/mmc/host/sdhci-dove.c
new file mode 100644
index 0000000..de9f960
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/mmc/host/sdhci-dove.c
@@ -0,0 +1,132 @@
+/*
+ * sdhci-dove.c Support for SDHCI on Marvell's Dove SoC
+ *
+ * Author: Saeed Bishara <saeed@marvell.com>
+ * Mike Rapoport <mike@compulab.co.il>
+ * Based on sdhci-cns3xxx.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/mmc/host.h>
+#include <linux/module.h>
+#include <linux/of.h>
+
+#include "sdhci-pltfm.h"
+
+static u16 sdhci_dove_readw(struct sdhci_host *host, int reg)
+{
+ u16 ret;
+
+ switch (reg) {
+ case SDHCI_HOST_VERSION:
+ case SDHCI_SLOT_INT_STATUS:
+ /* those registers don't exist */
+ return 0;
+ default:
+ ret = readw(host->ioaddr + reg);
+ }
+ return ret;
+}
+
+static u32 sdhci_dove_readl(struct sdhci_host *host, int reg)
+{
+ u32 ret;
+
+ ret = readl(host->ioaddr + reg);
+
+ switch (reg) {
+ case SDHCI_CAPABILITIES:
+ /* Mask the support for 3.0V */
+ ret &= ~SDHCI_CAN_VDD_300;
+ break;
+ }
+ return ret;
+}
+
+static const struct sdhci_ops sdhci_dove_ops = {
+ .read_w = sdhci_dove_readw,
+ .read_l = sdhci_dove_readl,
+ .set_clock = sdhci_set_clock,
+ .set_bus_width = sdhci_set_bus_width,
+ .reset = sdhci_reset,
+ .set_uhs_signaling = sdhci_set_uhs_signaling,
+};
+
+static const struct sdhci_pltfm_data sdhci_dove_pdata = {
+ .ops = &sdhci_dove_ops,
+ .quirks = SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER |
+ SDHCI_QUIRK_NO_BUSY_IRQ |
+ SDHCI_QUIRK_BROKEN_TIMEOUT_VAL |
+ SDHCI_QUIRK_FORCE_DMA |
+ SDHCI_QUIRK_NO_HISPD_BIT,
+};
+
+static int sdhci_dove_probe(struct platform_device *pdev)
+{
+ struct sdhci_host *host;
+ struct sdhci_pltfm_host *pltfm_host;
+ int ret;
+
+ host = sdhci_pltfm_init(pdev, &sdhci_dove_pdata, 0);
+ if (IS_ERR(host))
+ return PTR_ERR(host);
+
+ pltfm_host = sdhci_priv(host);
+ pltfm_host->clk = devm_clk_get(&pdev->dev, NULL);
+
+ if (!IS_ERR(pltfm_host->clk))
+ clk_prepare_enable(pltfm_host->clk);
+
+ ret = mmc_of_parse(host->mmc);
+ if (ret)
+ goto err_sdhci_add;
+
+ ret = sdhci_add_host(host);
+ if (ret)
+ goto err_sdhci_add;
+
+ return 0;
+
+err_sdhci_add:
+ clk_disable_unprepare(pltfm_host->clk);
+ sdhci_pltfm_free(pdev);
+ return ret;
+}
+
+static const struct of_device_id sdhci_dove_of_match_table[] = {
+ { .compatible = "marvell,dove-sdhci", },
+ {}
+};
+MODULE_DEVICE_TABLE(of, sdhci_dove_of_match_table);
+
+static struct platform_driver sdhci_dove_driver = {
+ .driver = {
+ .name = "sdhci-dove",
+ .pm = &sdhci_pltfm_pmops,
+ .of_match_table = sdhci_dove_of_match_table,
+ },
+ .probe = sdhci_dove_probe,
+ .remove = sdhci_pltfm_unregister,
+};
+
+module_platform_driver(sdhci_dove_driver);
+
+MODULE_DESCRIPTION("SDHCI driver for Dove");
+MODULE_AUTHOR("Saeed Bishara <saeed@marvell.com>, "
+ "Mike Rapoport <mike@compulab.co.il>");
+MODULE_LICENSE("GPL v2");