arm: imx7d: add support for Compulab cl-som-imx7

[u-boot] / board / compulab / cl-som-imx7 / common.c

diff --git a/board/compulab/cl-som-imx7/common.c b/board/compulab/cl-som-imx7/common.c
new file mode 100644 (file)
index 0000000..5ee688a
--- /dev/null
+++ b/board/compulab/cl-som-imx7/common.c
@@ -0,0 +1,46 @@
+/*
+ * SPL/U-Boot common functions for CompuLab CL-SOM-iMX7 module
+ *
+ * (C) Copyright 2017 CompuLab, Ltd. http://www.compulab.com
+ *
+ * Author: Uri Mashiach <uri.mashiach@compulab.co.il>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <fsl_esdhc.h>
+#include <asm-generic/gpio.h>
+#include "common.h"
+
+#ifdef CONFIG_SPI
+
+#define CL_SOM_IMX7_GPIO_SPI_CS        IMX_GPIO_NR(4, 19)
+
+int board_spi_cs_gpio(unsigned int bus, unsigned int cs)
+{
+       return CL_SOM_IMX7_GPIO_SPI_CS;
+}
+
+#endif /* CONFIG_SPI */
+
+#ifdef CONFIG_FSL_ESDHC
+
+int board_mmc_getcd(struct mmc *mmc)
+{
+       struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+       int ret = 0;
+
+       switch (cfg->esdhc_base) {
+       case USDHC1_BASE_ADDR:
+               ret = !gpio_get_value(CL_SOM_IMX7_GPIO_USDHC1_CD);
+               break;
+       case USDHC3_BASE_ADDR:
+               ret = 1; /* Assume uSDHC3 emmc is always present */
+               break;
+       }
+
+       return ret;
+}
+
+#endif /* CONFIG_FSL_ESDHC */