1 /*
2  * Copyright (C) 2013, ISEE 2007 SL - http://www.isee.biz/
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation version 2.
7  *
8  * This program is distributed "as is" WITHOUT ANY WARRANTY of any
9  * kind, whether express or implied; without even the implied warranty
10  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU General Public License for more details.
12  */
13 
14 #include <common.h>
15 #include <asm/arch/sys_proto.h>
16 #include <asm/arch/hardware.h>
17 #include <asm/arch/mux.h>
18 #include <asm/io.h>
19 #include <i2c.h>
20 #include "board.h"
21 
22 static struct module_pin_mux uart0_pin_mux[] = {
23 	{OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* UART0_RXD */
24 	{OFFSET(uart0_txd), (MODE(0) | PULLUDEN)},		/* UART0_TXD */
25 	{-1},
26 };
27 
28 static struct module_pin_mux mmc0_pin_mux[] = {
29 	{OFFSET(mmc0_dat3), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT3 */
30 	{OFFSET(mmc0_dat2), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT2 */
31 	{OFFSET(mmc0_dat1), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT1 */
32 	{OFFSET(mmc0_dat0), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT0 */
33 	{OFFSET(mmc0_clk), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_CLK */
34 	{OFFSET(mmc0_cmd), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_CMD */
35 	{OFFSET(spi0_cs1), (MODE(5) | RXACTIVE | PULLUP_EN)},	/* MMC0_CD */
36 	{-1},
37 };
38 
39 static struct module_pin_mux nand_pin_mux[] = {
40 	{OFFSET(gpmc_ad0), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD0 */
41 	{OFFSET(gpmc_ad1), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD1 */
42 	{OFFSET(gpmc_ad2), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD2 */
43 	{OFFSET(gpmc_ad3), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD3 */
44 	{OFFSET(gpmc_ad4), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD4 */
45 	{OFFSET(gpmc_ad5), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD5 */
46 	{OFFSET(gpmc_ad6), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD6 */
47 	{OFFSET(gpmc_ad7), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD7 */
48 	{OFFSET(gpmc_wait0), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* NAND WAIT */
49 	{OFFSET(gpmc_wpn), (MODE(7) | PULLUP_EN | RXACTIVE)},	/* NAND_WPN */
50 	{OFFSET(gpmc_csn0), (MODE(0) | PULLUDEN)},		/* NAND_CS0 */
51 	{OFFSET(gpmc_advn_ale), (MODE(0) | PULLUDEN)},	/* NAND_ADV_ALE */
52 	{OFFSET(gpmc_oen_ren), (MODE(0) | PULLUDEN)},	/* NAND_OE */
53 	{OFFSET(gpmc_wen), (MODE(0) | PULLUDEN)},	/* NAND_WEN */
54 	{OFFSET(gpmc_be0n_cle), (MODE(0) | PULLUDEN)},	/* NAND_BE_CLE */
55 	{-1},
56 };
57 
58 static struct module_pin_mux rmii1_pin_mux[] = {
59 	{OFFSET(mii1_txen), MODE(1)},			/* RMII1_TXEN */
60 	{OFFSET(mii1_rxerr), MODE(1) | RXACTIVE},	/* RMII1_RXERR */
61 	{OFFSET(mii1_crs), MODE(1) | RXACTIVE},		/* RMII1_CRS_DV */
62 	{OFFSET(mii1_rxd0), MODE(1) | RXACTIVE},	/* RMII1_RXD0 */
63 	{OFFSET(mii1_rxd1), MODE(1) | RXACTIVE},	/* RMII1_RXD1 */
64 	{OFFSET(mii1_txd0), MODE(1)},			/* RMII1_TXD0 */
65 	{OFFSET(mii1_txd1), MODE(1)},			/* RMII1_TXD1 */
66 	{OFFSET(rmii1_refclk), MODE(0) | RXACTIVE},	/* RMII1_REF_CLK */
67 	{OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN},	/* MDIO_DATA */
68 	{OFFSET(mdio_clk), MODE(0) | PULLUP_EN},	/* MDIO_CLK */
69 	{-1},
70 };
71 
72 static struct module_pin_mux gpio_pin_mux[] = {
73 	{OFFSET(gpmc_ad10), (MODE(7) | RXACTIVE | PULLUP_EN)},	/* GPIO0_26 */
74 	{OFFSET(gpmc_ad11), (MODE(7) | RXACTIVE | PULLUP_EN)},	/* GPIO0_27 */
75 	{-1},
76 };
77 
enable_uart0_pin_mux(void)78 void enable_uart0_pin_mux(void)
79 {
80 	configure_module_pin_mux(uart0_pin_mux);
81 }
82 
83 /*
84  * Do board-specific muxes.
85  */
enable_board_pin_mux(void)86 void enable_board_pin_mux(void)
87 {
88 	/* NAND Flash */
89 	configure_module_pin_mux(nand_pin_mux);
90 	/* SD Card */
91 	configure_module_pin_mux(mmc0_pin_mux);
92 	/* Ethernet pinmux. */
93 	configure_module_pin_mux(rmii1_pin_mux);
94 	/* GPIO pinmux. */
95 	configure_module_pin_mux(gpio_pin_mux);
96 }
97