xref: /openbmc/u-boot/board/ti/am43xx/mux.c (revision c346e466)
1 /*
2  * mux.c
3  *
4  * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
5  *
6  * SPDX-License-Identifier:	GPL-2.0+
7  */
8 
9 #include <common.h>
10 #include <asm/arch/sys_proto.h>
11 #include <asm/arch/mux.h>
12 #include "board.h"
13 
14 static struct module_pin_mux rmii1_pin_mux[] = {
15 	{OFFSET(mii1_txen), MODE(1)},			/* RMII1_TXEN */
16 	{OFFSET(mii1_txd1), MODE(1)},			/* RMII1_TD1 */
17 	{OFFSET(mii1_txd0), MODE(1)},			/* RMII1_TD0 */
18 	{OFFSET(mii1_rxd1), MODE(1) | RXACTIVE},	/* RMII1_RD1 */
19 	{OFFSET(mii1_rxd0), MODE(1) | RXACTIVE},	/* RMII1_RD0 */
20 	{OFFSET(mii1_rxdv), MODE(1) | RXACTIVE},	/* RMII1_RXDV */
21 	{OFFSET(mii1_crs), MODE(1) | RXACTIVE},		/* RMII1_CRS_DV */
22 	{OFFSET(mii1_rxerr), MODE(1) | RXACTIVE},	/* RMII1_RXERR */
23 	{OFFSET(rmii1_refclk), MODE(0) | RXACTIVE},	/* RMII1_refclk */
24 	{-1},
25 };
26 
27 static struct module_pin_mux rgmii1_pin_mux[] = {
28 	{OFFSET(mii1_txen), MODE(2)},			/* RGMII1_TCTL */
29 	{OFFSET(mii1_rxdv), MODE(2) | RXACTIVE},	/* RGMII1_RCTL */
30 	{OFFSET(mii1_txd3), MODE(2)},			/* RGMII1_TD3 */
31 	{OFFSET(mii1_txd2), MODE(2)},			/* RGMII1_TD2 */
32 	{OFFSET(mii1_txd1), MODE(2)},			/* RGMII1_TD1 */
33 	{OFFSET(mii1_txd0), MODE(2)},			/* RGMII1_TD0 */
34 	{OFFSET(mii1_txclk), MODE(2)},			/* RGMII1_TCLK */
35 	{OFFSET(mii1_rxclk), MODE(2) | RXACTIVE},	/* RGMII1_RCLK */
36 	{OFFSET(mii1_rxd3), MODE(2) | RXACTIVE},	/* RGMII1_RD3 */
37 	{OFFSET(mii1_rxd2), MODE(2) | RXACTIVE},	/* RGMII1_RD2 */
38 	{OFFSET(mii1_rxd1), MODE(2) | RXACTIVE},	/* RGMII1_RD1 */
39 	{OFFSET(mii1_rxd0), MODE(2) | RXACTIVE},	/* RGMII1_RD0 */
40 	{-1},
41 };
42 
43 static struct module_pin_mux mdio_pin_mux[] = {
44 	{OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN},/* MDIO_DATA */
45 	{OFFSET(mdio_clk), MODE(0) | PULLUP_EN},	/* MDIO_CLK */
46 	{-1},
47 };
48 
49 static struct module_pin_mux uart0_pin_mux[] = {
50 	{OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE | SLEWCTRL)},
51 	{OFFSET(uart0_txd), (MODE(0) | PULLUDDIS | PULLUP_EN | SLEWCTRL)},
52 	{-1},
53 };
54 
55 static struct module_pin_mux mmc0_pin_mux[] = {
56 	{OFFSET(mmc0_clk), (MODE(0) | PULLUDDIS | RXACTIVE)},  /* MMC0_CLK */
57 	{OFFSET(mmc0_cmd), (MODE(0) | PULLUP_EN | RXACTIVE)},  /* MMC0_CMD */
58 	{OFFSET(mmc0_dat0), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* MMC0_DAT0 */
59 	{OFFSET(mmc0_dat1), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* MMC0_DAT1 */
60 	{OFFSET(mmc0_dat2), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* MMC0_DAT2 */
61 	{OFFSET(mmc0_dat3), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* MMC0_DAT3 */
62 	{-1},
63 };
64 
65 static struct module_pin_mux i2c0_pin_mux[] = {
66 	{OFFSET(i2c0_sda), (MODE(0) | PULLUP_EN | RXACTIVE | SLEWCTRL)},
67 	{OFFSET(i2c0_scl), (MODE(0) | PULLUP_EN | RXACTIVE | SLEWCTRL)},
68 	{-1},
69 };
70 
71 static struct module_pin_mux gpio5_7_pin_mux[] = {
72 	{OFFSET(spi0_cs0), (MODE(7) | PULLUP_EN)},	/* GPIO5_7 */
73 	{-1},
74 };
75 
76 static struct module_pin_mux qspi_pin_mux[] = {
77 	{OFFSET(gpmc_csn0), (MODE(3) | PULLUP_EN | RXACTIVE)}, /* QSPI_CS0 */
78 	{OFFSET(gpmc_csn3), (MODE(2) | PULLUP_EN | RXACTIVE)}, /* QSPI_CLK */
79 	{OFFSET(gpmc_advn_ale), (MODE(3) | PULLUP_EN | RXACTIVE)}, /* QSPI_D0 */
80 	{OFFSET(gpmc_oen_ren), (MODE(3) | PULLUP_EN | RXACTIVE)}, /* QSPI_D1 */
81 	{OFFSET(gpmc_wen), (MODE(3) | PULLUP_EN | RXACTIVE)}, /* QSPI_D2 */
82 	{OFFSET(gpmc_be0n_cle), (MODE(3) | PULLUP_EN | RXACTIVE)}, /* QSPI_D3 */
83 	{-1},
84 };
85 
86 void enable_uart0_pin_mux(void)
87 {
88 	configure_module_pin_mux(uart0_pin_mux);
89 }
90 
91 void enable_board_pin_mux(void)
92 {
93 	configure_module_pin_mux(mmc0_pin_mux);
94 	configure_module_pin_mux(i2c0_pin_mux);
95 	configure_module_pin_mux(mdio_pin_mux);
96 
97 	if (board_is_gpevm()) {
98 		configure_module_pin_mux(gpio5_7_pin_mux);
99 		configure_module_pin_mux(rgmii1_pin_mux);
100 	} else if (board_is_eposevm()) {
101 		configure_module_pin_mux(rmii1_pin_mux);
102 		configure_module_pin_mux(qspi_pin_mux);
103 	}
104 }
105 
106 void enable_i2c0_pin_mux(void)
107 {
108 	configure_module_pin_mux(i2c0_pin_mux);
109 }
110