1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * mux.c
4 *
5 * Copyright (C) 2013 Lothar Felten <lothar.felten@gmail.com>
6 */
7
8 #include <common.h>
9 #include <asm/arch/sys_proto.h>
10 #include <asm/arch/hardware.h>
11 #include <asm/arch/mux.h>
12 #include <asm/io.h>
13 #include "board.h"
14
15 /* UART0 pins E15(rx),E16(tx) [E17(rts),E18(cts)] */
16 static struct module_pin_mux uart0_pin_mux[] = {
17 {OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* UART0_RXD */
18 {OFFSET(uart0_txd), (MODE(0) | PULLUDEN)}, /* UART0_TXD */
19 {-1},
20 };
21
22 /* unused: UART1 pins D15(tx),D16(rx),D17(cts),D18(rts) */
23
24 /* I2C pins C16(scl)/C17(sda) */
25 static struct module_pin_mux i2c0_pin_mux[] = {
26 {OFFSET(i2c0_sda), (MODE(0) | RXACTIVE |
27 PULLUDEN | SLEWCTRL)}, /* I2C0_DATA */
28 {OFFSET(i2c0_scl), (MODE(0) | RXACTIVE |
29 PULLUDEN | SLEWCTRL)}, /* I2C0_SCLK */
30 {-1},
31 };
32
33 /* MMC0 pins */
34 static struct module_pin_mux mmc0_pin_mux[] = {
35 {OFFSET(mmc0_dat3), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT3 */
36 {OFFSET(mmc0_dat2), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT2 */
37 {OFFSET(mmc0_dat1), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT1 */
38 {OFFSET(mmc0_dat0), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT0 */
39 {OFFSET(mmc0_clk), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_CLK */
40 {OFFSET(mmc0_cmd), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_CMD */
41 {OFFSET(spi0_cs1), (MODE(5) | RXACTIVE | PULLUP_EN)}, /* MMC0_CD */
42 {-1},
43 };
44
45 /* MII pins */
46 static struct module_pin_mux mii1_pin_mux[] = {
47 {OFFSET(mii1_rxerr), MODE(0) | RXACTIVE}, /* MII1_RXERR */
48 {OFFSET(mii1_txen), MODE(0)}, /* MII1_TXEN */
49 {OFFSET(mii1_rxdv), MODE(0) | RXACTIVE}, /* MII1_RXDV */
50 {OFFSET(mii1_txd3), MODE(0)}, /* MII1_TXD3 */
51 {OFFSET(mii1_txd2), MODE(0)}, /* MII1_TXD2 */
52 {OFFSET(mii1_txd1), MODE(0)}, /* MII1_TXD1 */
53 {OFFSET(mii1_txd0), MODE(0)}, /* MII1_TXD0 */
54 {OFFSET(mii1_txclk), MODE(0) | RXACTIVE}, /* MII1_TXCLK */
55 {OFFSET(mii1_rxclk), MODE(0) | RXACTIVE}, /* MII1_RXCLK */
56 {OFFSET(mii1_rxd3), MODE(0) | RXACTIVE}, /* MII1_RXD3 */
57 {OFFSET(mii1_rxd2), MODE(0) | RXACTIVE}, /* MII1_RXD2 */
58 {OFFSET(mii1_rxd1), MODE(0) | RXACTIVE}, /* MII1_RXD1 */
59 {OFFSET(mii1_rxd0), MODE(0) | RXACTIVE}, /* MII1_RXD0 */
60 {OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN}, /* MDIO_DATA */
61 {OFFSET(mdio_clk), MODE(0) | PULLUP_EN}, /* MDIO_CLK */
62 {-1},
63 };
64
65 /* NAND pins */
66 static struct module_pin_mux nand_pin_mux[] = {
67 {OFFSET(gpmc_ad0), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD0 */
68 {OFFSET(gpmc_ad1), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD1 */
69 {OFFSET(gpmc_ad2), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD2 */
70 {OFFSET(gpmc_ad3), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD3 */
71 {OFFSET(gpmc_ad4), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD4 */
72 {OFFSET(gpmc_ad5), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD5 */
73 {OFFSET(gpmc_ad6), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD6 */
74 {OFFSET(gpmc_ad7), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* NAND AD7 */
75 {OFFSET(gpmc_wait0), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* NAND WAIT */
76 {OFFSET(gpmc_wpn), (MODE(7) | PULLUP_EN | RXACTIVE)}, /* NAND_WPN */
77 {OFFSET(gpmc_csn0), (MODE(0) | PULLUDEN)}, /* NAND_CS0 */
78 {OFFSET(gpmc_advn_ale), (MODE(0) | PULLUDEN)}, /* NAND_ADV_ALE */
79 {OFFSET(gpmc_oen_ren), (MODE(0) | PULLUDEN)}, /* NAND_OE */
80 {OFFSET(gpmc_wen), (MODE(0) | PULLUDEN)}, /* NAND_WEN */
81 {OFFSET(gpmc_be0n_cle), (MODE(0) | PULLUDEN)}, /* NAND_BE_CLE */
82 {-1},
83 };
84
enable_uart0_pin_mux(void)85 void enable_uart0_pin_mux(void)
86 {
87 configure_module_pin_mux(uart0_pin_mux);
88 }
89
enable_board_pin_mux()90 void enable_board_pin_mux()
91 {
92 configure_module_pin_mux(i2c0_pin_mux);
93 configure_module_pin_mux(uart0_pin_mux);
94 configure_module_pin_mux(mii1_pin_mux);
95 configure_module_pin_mux(mmc0_pin_mux);
96 configure_module_pin_mux(nand_pin_mux);
97 }
98