am335x: pepper: Add Gumstix Pepper AM335x-based machine
This adds the Gumstix Pepper[1] single-board computer based on the
TI AM335x processor. Schematics are available [2].
[1] https://store.gumstix.com/index.php/products/344/
[2] https://pubs.gumstix.com/boards/PEPPER/
Signed-off-by: Ash Charles <ash@gumstix.com>
[trini: Move 'cdev' in board.c down to under #ifdef's where it's used]
Signed-off-by: Tom Rini <trini@ti.com>
diff --git a/board/gumstix/pepper/mux.c b/board/gumstix/pepper/mux.c
new file mode 100644
index 0000000..50b1266
--- /dev/null
+++ b/board/gumstix/pepper/mux.c
@@ -0,0 +1,78 @@
+/*
+ * Muxing for Gumstix Pepper and AM335x-based boards
+ *
+ * Copyright (C) 2014, Gumstix, Incorporated - http://www.gumstix.com/
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#include <common.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/mux.h>
+#include <asm/io.h>
+#include <i2c.h>
+#include "board.h"
+
+static struct module_pin_mux uart0_pin_mux[] = {
+ {OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* UART0_RXD */
+ {OFFSET(uart0_txd), (MODE(0) | PULLUDEN)}, /* UART0_TXD */
+ {-1},
+};
+
+static struct module_pin_mux mmc0_pin_mux[] = {
+ {OFFSET(mmc0_dat3), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT3 */
+ {OFFSET(mmc0_dat2), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT2 */
+ {OFFSET(mmc0_dat1), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT1 */
+ {OFFSET(mmc0_dat0), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT0 */
+ {OFFSET(mmc0_clk), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_CLK */
+ {OFFSET(mmc0_cmd), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_CMD */
+ {OFFSET(spi0_cs1), (MODE(5) | RXACTIVE | PULLUP_EN)}, /* MMC0_CD */
+ {-1},
+};
+
+static struct module_pin_mux i2c0_pin_mux[] = {
+ /* I2C_DATA */
+ {OFFSET(i2c0_sda), (MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL)},
+ /* I2C_SCLK */
+ {OFFSET(i2c0_scl), (MODE(0) | RXACTIVE | PULLUDEN | SLEWCTRL)},
+ {-1},
+};
+
+static struct module_pin_mux rgmii1_pin_mux[] = {
+ {OFFSET(mii1_txen), MODE(2)}, /* RGMII1_TCTL */
+ {OFFSET(mii1_rxdv), MODE(2) | RXACTIVE}, /* RGMII1_RCTL */
+ {OFFSET(mii1_txd3), MODE(2)}, /* RGMII1_TD3 */
+ {OFFSET(mii1_txd2), MODE(2)}, /* RGMII1_TD2 */
+ {OFFSET(mii1_txd1), MODE(2)}, /* RGMII1_TD1 */
+ {OFFSET(mii1_txd0), MODE(2)}, /* RGMII1_TD0 */
+ {OFFSET(mii1_txclk), MODE(2)}, /* RGMII1_TCLK */
+ {OFFSET(mii1_rxclk), MODE(2) | RXACTIVE}, /* RGMII1_RCLK */
+ {OFFSET(mii1_rxd3), MODE(2) | RXACTIVE}, /* RGMII1_RD3 */
+ {OFFSET(mii1_rxd2), MODE(2) | RXACTIVE}, /* RGMII1_RD2 */
+ {OFFSET(mii1_rxd1), MODE(2) | RXACTIVE}, /* RGMII1_RD1 */
+ {OFFSET(mii1_rxd0), MODE(2) | RXACTIVE}, /* RGMII1_RD0 */
+ {OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN},/* MDIO_DATA */
+ {OFFSET(mdio_clk), MODE(0) | PULLUP_EN}, /* MDIO_CLK */
+ {OFFSET(rmii1_refclk), MODE(7) | RXACTIVE}, /* ETH_INT */
+ {OFFSET(mii1_col), MODE(7) | PULLUP_EN}, /* PHY_NRESET */
+ {OFFSET(xdma_event_intr1), MODE(3)},
+ {-1},
+};
+
+void enable_uart0_pin_mux(void)
+{
+ configure_module_pin_mux(uart0_pin_mux);
+}
+
+/*
+ * Do board-specific muxes.
+ */
+void enable_board_pin_mux(void)
+{
+ /* I2C0 */
+ configure_module_pin_mux(i2c0_pin_mux);
+ /* SD Card */
+ configure_module_pin_mux(mmc0_pin_mux);
+ /* Ethernet pinmux. */
+ configure_module_pin_mux(rgmii1_pin_mux);
+}