diff options
Diffstat (limited to 'board/gumstix/pepper/mux.c')
| -rw-r--r-- | board/gumstix/pepper/mux.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/board/gumstix/pepper/mux.c b/board/gumstix/pepper/mux.c new file mode 100644 index 0000000000..50b12666d6 --- /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); +} |
