mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-11 13:56:30 +00:00
da4105dfcd
This patch add support for the Silica Pengwyn board [1] The board is based on a TI AM3354 CPU [2] All jumpers removed it will boot from the SDcard, the console is on UART1 accessible via the FDTI -> USB. The on board NAND flash is supported and can act as boot medium, depending on jumper settings. USB Host, USB Device and Ethernet are also provided but untested. [1] http://www.silica.com/product/silica-pengwyn-board.html [2] http://www.ti.com/product/am3354 Signed-off-by: Lothar Felten <lothar.felten@gmail.com> [trini: Move CONFIG_BOARD_LATE_INIT into am335x_evm.h, drop unused spi0_pin_mux from Pengwyn support] Signed-off-by: Tom Rini <trini@ti.com>
98 lines
3.7 KiB
C
98 lines
3.7 KiB
C
/*
|
|
* mux.c
|
|
*
|
|
* Copyright (C) 2013 Lothar Felten <lothar.felten@gmail.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 "board.h"
|
|
|
|
/* UART0 pins E15(rx),E16(tx) [E17(rts),E18(cts)] */
|
|
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},
|
|
};
|
|
|
|
/* unused: UART1 pins D15(tx),D16(rx),D17(cts),D18(rts) */
|
|
|
|
/* I2C pins C16(scl)/C17(sda) */
|
|
static struct module_pin_mux i2c0_pin_mux[] = {
|
|
{OFFSET(i2c0_sda), (MODE(0) | RXACTIVE |
|
|
PULLUDEN | SLEWCTRL)}, /* I2C0_DATA */
|
|
{OFFSET(i2c0_scl), (MODE(0) | RXACTIVE |
|
|
PULLUDEN | SLEWCTRL)}, /* I2C0_SCLK */
|
|
{-1},
|
|
};
|
|
|
|
/* MMC0 pins */
|
|
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},
|
|
};
|
|
|
|
/* MII pins */
|
|
static struct module_pin_mux mii1_pin_mux[] = {
|
|
{OFFSET(mii1_rxerr), MODE(0) | RXACTIVE}, /* MII1_RXERR */
|
|
{OFFSET(mii1_txen), MODE(0)}, /* MII1_TXEN */
|
|
{OFFSET(mii1_rxdv), MODE(0) | RXACTIVE}, /* MII1_RXDV */
|
|
{OFFSET(mii1_txd3), MODE(0)}, /* MII1_TXD3 */
|
|
{OFFSET(mii1_txd2), MODE(0)}, /* MII1_TXD2 */
|
|
{OFFSET(mii1_txd1), MODE(0)}, /* MII1_TXD1 */
|
|
{OFFSET(mii1_txd0), MODE(0)}, /* MII1_TXD0 */
|
|
{OFFSET(mii1_txclk), MODE(0) | RXACTIVE}, /* MII1_TXCLK */
|
|
{OFFSET(mii1_rxclk), MODE(0) | RXACTIVE}, /* MII1_RXCLK */
|
|
{OFFSET(mii1_rxd3), MODE(0) | RXACTIVE}, /* MII1_RXD3 */
|
|
{OFFSET(mii1_rxd2), MODE(0) | RXACTIVE}, /* MII1_RXD2 */
|
|
{OFFSET(mii1_rxd1), MODE(0) | RXACTIVE}, /* MII1_RXD1 */
|
|
{OFFSET(mii1_rxd0), MODE(0) | RXACTIVE}, /* MII1_RXD0 */
|
|
{OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN}, /* MDIO_DATA */
|
|
{OFFSET(mdio_clk), MODE(0) | PULLUP_EN}, /* MDIO_CLK */
|
|
{-1},
|
|
};
|
|
|
|
/* NAND pins */
|
|
static struct module_pin_mux nand_pin_mux[] = {
|
|
{OFFSET(gpmc_ad0), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD0 */
|
|
{OFFSET(gpmc_ad1), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD1 */
|
|
{OFFSET(gpmc_ad2), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD2 */
|
|
{OFFSET(gpmc_ad3), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD3 */
|
|
{OFFSET(gpmc_ad4), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD4 */
|
|
{OFFSET(gpmc_ad5), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD5 */
|
|
{OFFSET(gpmc_ad6), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD6 */
|
|
{OFFSET(gpmc_ad7), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD7 */
|
|
{OFFSET(gpmc_wait0), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* NAND WAIT */
|
|
{OFFSET(gpmc_wpn), (MODE(7) | PULLUP_EN | RXACTIVE)}, /* NAND_WPN */
|
|
{OFFSET(gpmc_csn0), (MODE(0) | PULLUDEN)}, /* NAND_CS0 */
|
|
{OFFSET(gpmc_advn_ale), (MODE(0) | PULLUDEN)}, /* NAND_ADV_ALE */
|
|
{OFFSET(gpmc_oen_ren), (MODE(0) | PULLUDEN)}, /* NAND_OE */
|
|
{OFFSET(gpmc_wen), (MODE(0) | PULLUDEN)}, /* NAND_WEN */
|
|
{OFFSET(gpmc_be0n_cle), (MODE(0) | PULLUDEN)}, /* NAND_BE_CLE */
|
|
{-1},
|
|
};
|
|
|
|
void enable_uart0_pin_mux(void)
|
|
{
|
|
configure_module_pin_mux(uart0_pin_mux);
|
|
}
|
|
|
|
void enable_board_pin_mux()
|
|
{
|
|
configure_module_pin_mux(i2c0_pin_mux);
|
|
configure_module_pin_mux(uart0_pin_mux);
|
|
configure_module_pin_mux(mii1_pin_mux);
|
|
configure_module_pin_mux(mmc0_pin_mux);
|
|
configure_module_pin_mux(nand_pin_mux);
|
|
}
|