arm: am57xx: cl-som-am57x: add initial board support
Features supported :
* Serial console
* SPI Flash
* MMC/SD Card
* eMMC storage
* SATA
* PCA9555 - GPIO expander over I2C5 bus
* USB
Use spl alternate boot device feature to define fallback to
the main boot device as it is defined by hardware.
Signed-off-by: Dmitry Lifshitz <lifshitz@compulab.co.il>
[uri.mashiach@compulab.co.il: Adjust to v2016.11]
Signed-off-by: Uri Mashiach <uri.mashiach@compulab.co.il>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
diff --git a/board/compulab/cl-som-am57x/mux.c b/board/compulab/cl-som-am57x/mux.c
new file mode 100644
index 0000000..625cbc1
--- /dev/null
+++ b/board/compulab/cl-som-am57x/mux.c
@@ -0,0 +1,100 @@
+/*
+ * Pinmux configuration for CompuLab CL-SOM-AM57x board
+ *
+ * (C) Copyright 2016 CompuLab, Ltd. http://compulab.co.il/
+ *
+ * Author: Dmitry Lifshitz <lifshitz@compulab.co.il>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/mux_dra7xx.h>
+
+/* Serial console */
+static const struct pad_conf_entry cl_som_am57x_padconf_console[] = {
+ {UART3_RXD, (FSC | IEN | PDIS | PTU | M0)}, /* UART3_RXD */
+ {UART3_TXD, (FSC | IEN | PDIS | PTU | M0)}, /* UART3_TXD */
+};
+
+/* PMIC I2C */
+static const struct pad_conf_entry cl_som_am57x_padconf_pmic[] = {
+ {MCASP1_ACLKR, (IEN | PEN | M10)}, /* MCASP1_ACLKR.I2C4_SDA */
+ {MCASP1_FSR, (IEN | PEN | M10)}, /* MCASP1_FSR.I2C4_SCL */
+};
+
+/* Green GPIO led */
+static const struct pad_conf_entry cl_som_am57x_padconf_green_led[] = {
+ {GPMC_A15, (IDIS | PDIS | PTD | M14)}, /* GPMC_A15.GPIO2_5 */
+};
+
+/* MMC/SD Card */
+static const struct pad_conf_entry cl_som_am57x_padconf_sd_card[] = {
+ {MMC1_CLK, (IEN | PDIS | PTU | M0) }, /* MMC1_CLK */
+ {MMC1_CMD, (IEN | PDIS | PTU | M0) }, /* MMC1_CMD */
+ {MMC1_DAT0, (IEN | PDIS | PTU | M0) }, /* MMC1_DAT0 */
+ {MMC1_DAT1, (IEN | PDIS | PTU | M0) }, /* MMC1_DAT1 */
+ {MMC1_DAT2, (IEN | PDIS | PTU | M0) }, /* MMC1_DAT2 */
+ {MMC1_DAT3, (IEN | PDIS | PTU | M0) }, /* MMC1_DAT3 */
+ {MMC1_SDCD, (IEN | PEN | M14)}, /* MMC1_SDCD */
+ {MMC1_SDWP, (IEN | PEN | M14)}, /* MMC1_SDWP */
+};
+
+/* WiFi - must be in the safe mode on boot */
+static const struct pad_conf_entry cl_som_am57x_padconf_wifi[] = {
+ {UART1_CTSN, (IEN | M15)}, /* UART1_CTSN */
+ {UART1_RTSN, (IEN | M15)}, /* UART1_RTSN */
+ {UART2_RXD, (IEN | M15)}, /* UART2_RXD */
+ {UART2_TXD, (IEN | M15)}, /* UART2_TXD */
+ {UART2_CTSN, (IEN | M15)}, /* UART2_CTSN */
+ {UART2_RTSN, (IEN | M15)}, /* UART2_RTSN */
+};
+
+/* QSPI */
+static const struct pad_conf_entry cl_som_am57x_padconf_qspi[] = {
+ {GPMC_A13, (IEN | PEN | M1)}, /* GPMC_A13.QSPI1_RTCLK */
+ {GPMC_A18, (IEN | PEN | M1)}, /* GPMC_A18.QSPI1_SCLK */
+ {GPMC_A16, (IEN | PEN | M1)}, /* GPMC_A16.QSPI1_D0 */
+ {GPMC_A17, (IEN | PEN | M1)}, /* GPMC_A17.QSPI1_D1 */
+ {GPMC_CS2, (IEN | PDIS | PTU | M1)}, /* GPMC_CS2.QSPI1_CS0 */
+};
+
+/* GPIO Expander I2C */
+static const struct pad_conf_entry cl_som_am57x_padconf_i2c_gpio[] = {
+ {MCASP1_AXR0, (IEN | PEN | M10)}, /* MCASP1_AXR0.I2C5_SDA */
+ {MCASP1_AXR1, (IEN | PEN | M10)}, /* MCASP1_AXR1.I2C5_SCL */
+};
+
+/* eMMC internal storage */
+static const struct pad_conf_entry cl_som_am57x_padconf_emmc[] = {
+ {GPMC_A19, (IEN | PDIS | PTU | M1)}, /* GPMC_A19.MMC2_DAT4 */
+ {GPMC_A20, (IEN | PDIS | PTU | M1)}, /* GPMC_A20.MMC2_DAT5 */
+ {GPMC_A21, (IEN | PDIS | PTU | M1)}, /* GPMC_A21.MMC2_DAT6 */
+ {GPMC_A22, (IEN | PDIS | PTU | M1)}, /* GPMC_A22.MMC2_DAT7 */
+ {GPMC_A23, (IEN | PDIS | PTU | M1)}, /* GPMC_A23.MMC2_CLK */
+ {GPMC_A24, (IEN | PDIS | PTU | M1)}, /* GPMC_A24.MMC2_DAT0 */
+ {GPMC_A25, (IEN | PDIS | PTU | M1)}, /* GPMC_A25.MMC2_DAT1 */
+ {GPMC_A26, (IEN | PDIS | PTU | M1)}, /* GPMC_A26.MMC2_DAT2 */
+ {GPMC_A27, (IEN | PDIS | PTU | M1)}, /* GPMC_A27.MMC2_DAT3 */
+ {GPMC_CS1, (IEN | PDIS | PTU | M1)}, /* GPMC_CS1.MMC2_CMD */
+};
+
+/* usb1_drvvbus */
+static const struct pad_conf_entry cl_som_am57x_padconf_usb[] = {
+ {USB1_DRVVBUS, (M0 | FSC) }, /* USB1_DRVVBUS.USB1_DRVVBUS */
+};
+
+#define SET_MUX(mux_array) do_set_mux32((*ctrl)->control_padconf_core_base, \
+ mux_array, ARRAY_SIZE(mux_array))
+
+void set_muxconf_regs(void)
+{
+ SET_MUX(cl_som_am57x_padconf_console);
+ SET_MUX(cl_som_am57x_padconf_pmic);
+ SET_MUX(cl_som_am57x_padconf_green_led);
+ SET_MUX(cl_som_am57x_padconf_sd_card);
+ SET_MUX(cl_som_am57x_padconf_wifi);
+ SET_MUX(cl_som_am57x_padconf_qspi);
+ SET_MUX(cl_som_am57x_padconf_i2c_gpio);
+ SET_MUX(cl_som_am57x_padconf_emmc);
+ SET_MUX(cl_som_am57x_padconf_usb);
+}