cm-t54: add cm-t54 board support

Add cm-t54 board directory, config file. Enable build.

Basic support includes:

Serial console
SD/MMC
eMMC
USB
Ethernet

Signed-off-by: Dmitry Lifshitz <lifshitz@compulab.co.il>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
diff --git a/board/compulab/cm_t54/mux.c b/board/compulab/cm_t54/mux.c
new file mode 100644
index 0000000..da35383
--- /dev/null
+++ b/board/compulab/cm_t54/mux.c
@@ -0,0 +1,94 @@
+/*
+ * Pinmux configuration for Compulab CM-T54 board
+ *
+ * Copyright (C) 2014, Compulab Ltd - http://compulab.co.il/
+ *
+ * Author: Dmitry Lifshitz <lifshitz@compulab.co.il>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _CM_T54_MUX_DATA_H
+#define _CM_T54_MUX_DATA_H
+
+#include <asm/arch/mux_omap5.h>
+#include <asm/arch/sys_proto.h>
+
+const struct pad_conf_entry core_padconf_array_essential[] = {
+	/* MMC1 - SD CARD */
+	{SDCARD_CLK, (PTU | IEN | M0)},			/* SDCARD_CLK */
+	{SDCARD_CMD, (PTU | IEN | M0)},			/* SDCARD_CMD */
+	{SDCARD_DATA0, (PTU | IEN | M0)},		/* SDCARD_DATA0 */
+	{SDCARD_DATA1, (PTU | IEN | M0)},		/* SDCARD_DATA1 */
+	{SDCARD_DATA2, (PTU | IEN | M0)},		/* SDCARD_DATA2 */
+	{SDCARD_DATA3, (PTU | IEN | M0)},		/* SDCARD_DATA3 */
+
+	/* SD CARD CD and WP GPIOs*/
+	{TIMER5_PWM_EVT, (PTU | IEN | M6)},		/* GPIO8_228 */
+	{TIMER6_PWM_EVT, (PTU | IEN | M6)},		/* GPIO8_229 */
+
+	/* MMC2 - eMMC */
+	{EMMC_CLK, (PTU | IEN | M0)},			/* EMMC_CLK */
+	{EMMC_CMD, (PTU | IEN | M0)},			/* EMMC_CMD */
+	{EMMC_DATA0, (PTU | IEN | M0)},			/* EMMC_DATA0 */
+	{EMMC_DATA1, (PTU | IEN | M0)},			/* EMMC_DATA1 */
+	{EMMC_DATA2, (PTU | IEN | M0)},			/* EMMC_DATA2 */
+	{EMMC_DATA3, (PTU | IEN | M0)},			/* EMMC_DATA3 */
+	{EMMC_DATA4, (PTU | IEN | M0)},			/* EMMC_DATA4 */
+	{EMMC_DATA5, (PTU | IEN | M0)},			/* EMMC_DATA5 */
+	{EMMC_DATA6, (PTU | IEN | M0)},			/* EMMC_DATA6 */
+	{EMMC_DATA7, (PTU | IEN | M0)},			/* EMMC_DATA7 */
+
+	/* UART4 */
+	{I2C5_SCL, (PTU | IEN | M2)},			/* UART4_RX */
+	{I2C5_SDA, (M2)},				/* UART4_TX */
+
+	/* Led */
+	{HSI2_CAFLAG, (PTU | M6)},			/* GPIO3_80 */
+
+	/* I2C1 */
+	{I2C1_PMIC_SCL, (PTU | IEN | M0)},		/* I2C1_PMIC_SCL */
+	{I2C1_PMIC_SDA, (PTU | IEN | M0)},		/* I2C1_PMIC_SDA */
+
+	/* USBB2, USBB3 */
+	{USBB2_HSIC_STROBE, (PTU | IEN | M0)},		/* USBB2_HSIC_STROBE */
+	{USBB2_HSIC_DATA, (PTU | IEN | M0)},		/* USBB2_HSIC_DATA */
+	{USBB3_HSIC_STROBE, (PTU | IEN | M0)},		/* USBB3_HSIC_STROBE */
+	{USBB3_HSIC_DATA, (PTU | IEN | M0)},		/* USBB3_HSIC_DATA */
+
+	/* USB Hub and USB Eth reset GPIOs */
+	{HSI2_CAREADY, (PTD | M6)},			/* GPIO3_76 */
+	{HSI2_ACDATA, (PTD | M6)},			/* GPIO3_83 */
+
+	/* I2C4 */
+	{I2C4_SCL, (PTU | IEN | M0)},			/* I2C4_SCL  */
+	{I2C4_SDA, (PTU | IEN | M0)},			/* I2C4_SDA  */
+};
+
+const struct pad_conf_entry wkup_padconf_array_essential[] = {
+	{SR_PMIC_SCL, (PTU | IEN | M0)},		/* SR_PMIC_SCL */
+	{SR_PMIC_SDA, (PTU | IEN | M0)},		/* SR_PMIC_SDA */
+	{SYS_32K, (IEN | M0)},				/* SYS_32K */
+
+	/* USB Hub clock */
+	{FREF_CLK1_OUT, (PTD | IEN | M0)},		/* FREF_CLK1_OUT  */
+};
+
+/*
+ * Routine: set_muxconf_regs_essential
+ * Description: setup board pinmux configuration.
+ */
+void set_muxconf_regs_essential(void)
+{
+	do_set_mux((*ctrl)->control_padconf_core_base,
+		   core_padconf_array_essential,
+		   sizeof(core_padconf_array_essential) /
+		   sizeof(struct pad_conf_entry));
+
+	do_set_mux((*ctrl)->control_padconf_wkup_base,
+		   wkup_padconf_array_essential,
+		   sizeof(wkup_padconf_array_essential) /
+		   sizeof(struct pad_conf_entry));
+}
+
+#endif /* _CM_T54_MUX_DATA_H */