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1 /*
2 * mux.c
3 *
4 * (C) Copyright 2016
5 * Heiko Schocher, DENX Software Engineering, hs@denx.de.
6 *
7 * Based on:
8 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
9 *
10 * SPDX-License-Identifier: GPL-2.0+
11 */
12
13 #include <common.h>
14 #include <asm/arch/sys_proto.h>
15 #include <asm/arch/hardware.h>
16 #include <asm/arch/mux.h>
17 #include <asm/io.h>
18 #include <i2c.h>
19 #include "board.h"
20
21 static struct module_pin_mux uart0_pin_mux[] = {
22 {OFFSET(uart0_rxd), (MODE(0) | PULLUDEN | RXACTIVE)}, /* UART0_RXD */
23 {OFFSET(uart0_txd), (MODE(0) | PULLUDDIS)}, /* UART0_TXD */
24 {OFFSET(uart0_ctsn), (MODE(0) | PULLUDEN | RXACTIVE)}, /* UART0_CTS */
25 {OFFSET(uart0_rtsn), (MODE(0) | PULLUDDIS)}, /* UART0_RTS */
26 {-1},
27 };
28
29 static struct module_pin_mux uart1_pin_mux[] = {
30 {OFFSET(uart1_rxd), (MODE(0) | PULLUDDIS | RXACTIVE)}, /* UART1_RXD */
31 {OFFSET(uart1_txd), (MODE(0) | PULLUDDIS)}, /* UART1_TXD */
32 {OFFSET(uart1_ctsn), (MODE(0) | PULLUDEN | RXACTIVE)}, /* UART1_CTS */
33 {OFFSET(uart1_rtsn), (MODE(0) | PULLUDDIS)}, /* UART1_RTS */
34 {-1},
35 };
36
37 static struct module_pin_mux uart2_pin_mux[] = {
38 {OFFSET(spi0_sclk), (MODE(1) | PULLUDDIS | RXACTIVE)}, /* UART2_RXD */
39 {OFFSET(spi0_d0), (MODE(1) | PULLUDDIS)}, /* UART2_TXD */
40 {-1},
41 };
42
43 static struct module_pin_mux spi1_pin_mux[] = {
44 {OFFSET(mcasp0_aclkx), (MODE(3) | PULLUDEN | RXACTIVE)},/* SPI1_SCLK */
45 {OFFSET(mcasp0_fsx), (MODE(3) | PULLUDEN | RXACTIVE)},/* SPI1_D0 */
46 {OFFSET(mcasp0_axr0), (MODE(3) | PULLUDEN | RXACTIVE)},/* SPI1_D1 */
47 {OFFSET(mcasp0_ahclkr), (MODE(3) | PULLUDEN | RXACTIVE)},/* SPI1_CS0 */
48 {-1},
49 };
50
51 static struct module_pin_mux uart4_pin_mux[] = {
52 {OFFSET(gpmc_wait0), (MODE(6) | PULLUP_EN | RXACTIVE)}, /* UART4_RXD */
53 {OFFSET(gpmc_wpn), (MODE(6) | PULLUP_EN)}, /* UART4_TXD */
54 {-1},
55 };
56
57 static struct module_pin_mux mmc0_pin_mux[] = {
58 {OFFSET(mmc0_dat3), (MODE(0) | RXACTIVE | PULLUDDIS)}, /* MMC0_DAT3 */
59 {OFFSET(mmc0_dat2), (MODE(0) | RXACTIVE | PULLUDDIS)}, /* MMC0_DAT2 */
60 {OFFSET(mmc0_dat1), (MODE(0) | RXACTIVE | PULLUDDIS)}, /* MMC0_DAT1 */
61 {OFFSET(mmc0_dat0), (MODE(0) | RXACTIVE | PULLUDDIS)}, /* MMC0_DAT0 */
62 {OFFSET(mmc0_clk), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_CLK */
63 {OFFSET(mmc0_cmd), (MODE(0) | RXACTIVE | PULLUDDIS)}, /* MMC0_CMD */
64 {OFFSET(spi0_cs1), (MODE(5) | RXACTIVE | PULLUDDIS)}, /* MMC0_CD */
65 {-1},
66 };
67
68 static struct module_pin_mux mmc1_pin_mux[] = {
69 {OFFSET(gpmc_ad7), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT3 */
70 {OFFSET(gpmc_ad6), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT3 */
71 {OFFSET(gpmc_ad5), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT3 */
72 {OFFSET(gpmc_ad4), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT3 */
73 {OFFSET(gpmc_ad3), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT3 */
74 {OFFSET(gpmc_ad2), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT2 */
75 {OFFSET(gpmc_ad1), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT1 */
76 {OFFSET(gpmc_ad0), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT0 */
77 {OFFSET(gpmc_csn1), (MODE(2) | RXACTIVE | PULLUDDIS)}, /* MMC1_CLK */
78 {OFFSET(gpmc_csn2), (MODE(2) | RXACTIVE | PULLUP_EN)}, /* MMC1_CMD */
79 {-1},
80 };
81
82 static struct module_pin_mux mmc2_pin_mux[] = {
83 {OFFSET(gpmc_ad12), (MODE(3) | PULLUDDIS | RXACTIVE)}, /* MMC2_DAT0 */
84 {OFFSET(gpmc_ad13), (MODE(3) | PULLUDDIS | RXACTIVE)}, /* MMC2_DAT1 */
85 {OFFSET(gpmc_ad14), (MODE(3) | PULLUDDIS | RXACTIVE)}, /* MMC2_DAT2 */
86 {OFFSET(gpmc_ad15), (MODE(3) | PULLUDDIS | RXACTIVE)}, /* MMC2_DAT3 */
87 {OFFSET(gpmc_csn3), (MODE(3) | RXACTIVE | PULLUDDIS)}, /* MMC2_CMD */
88 {OFFSET(gpmc_clk), (MODE(3) | RXACTIVE | PULLUDDIS)}, /* MMC2_CLK */
89 {-1},
90 };
91 static struct module_pin_mux i2c0_pin_mux[] = {
92 {OFFSET(i2c0_sda), (MODE(0) | RXACTIVE | PULLUDDIS)}, /* I2C_DATA */
93 {OFFSET(i2c0_scl), (MODE(0) | RXACTIVE | PULLUDDIS)}, /* I2C_SCLK */
94 {-1},
95 };
96
97 static struct module_pin_mux gpio0_7_pin_mux[] = {
98 {OFFSET(ecap0_in_pwm0_out), (MODE(7) | PULLUP_EN)}, /* GPIO0_7 */
99 {-1},
100 };
101
102 static struct module_pin_mux jtag_pin_mux[] = {
103 {OFFSET(xdma_event_intr0), (MODE(6) | RXACTIVE | PULLUDDIS)},
104 {OFFSET(xdma_event_intr1), (MODE(6) | RXACTIVE | PULLUDDIS)},
105 {OFFSET(nresetin_out), (MODE(0) | RXACTIVE | PULLUDDIS)},
106 {OFFSET(nnmi), (MODE(0) | RXACTIVE | PULLUDDIS)},
107 {OFFSET(tms), (MODE(0) | RXACTIVE | PULLUP_EN)},
108 {OFFSET(tdi), (MODE(0) | RXACTIVE | PULLUP_EN)},
109 {OFFSET(tdo), (MODE(0) | PULLUP_EN)},
110 {OFFSET(tck), (MODE(0) | RXACTIVE | PULLUP_EN)},
111 {OFFSET(ntrst), (MODE(0) | RXACTIVE)},
112 {OFFSET(emu0), (MODE(0) | RXACTIVE | PULLUP_EN)},
113 {OFFSET(emu1), (MODE(0) | RXACTIVE | PULLUP_EN)},
114 {OFFSET(pmic_power_en), (MODE(0) | PULLUP_EN)},
115 {OFFSET(rsvd2), (MODE(0) | PULLUP_EN)},
116 {OFFSET(rtc_porz), (MODE(0) | RXACTIVE | PULLUDDIS)},
117 {OFFSET(ext_wakeup), (MODE(0) | RXACTIVE)},
118 {OFFSET(enz_kaldo_1p8v), (MODE(0) | RXACTIVE | PULLUDDIS)},
119 {OFFSET(usb0_drvvbus), (MODE(0) | PULLUDEN)},
120 {OFFSET(usb1_drvvbus), (MODE(0) | PULLUDDIS)},
121 {-1},
122 };
123
124 static struct module_pin_mux gpio_pin_mux[] = {
125 {OFFSET(gpmc_ad8), (MODE(7) | PULLUDDIS)}, /* gpio0[22] - LED_PWR_BL (external pull-down) */
126 {OFFSET(gpmc_ad9), (MODE(7) | PULLUDDIS)}, /* gpio0[23] - LED_PWR_RD (external pull-down) */
127 {OFFSET(gpmc_ad10), (MODE(7) | PULLUDDIS)}, /* gpio0[26] - LED_LAN_RD (external pull-down) */
128 {OFFSET(gpmc_ad11), (MODE(7) | PULLUDDIS)}, /* gpio0[27] - #WIFI_RST (external pull-down) */
129 {OFFSET(gpmc_a0), (MODE(7) | PULLUDDIS)}, /* gpio1[16] - WIFI_REGEN */
130 {OFFSET(gpmc_a1), (MODE(7) | PULLUDDIS)}, /* gpio1[17] - LED_LAN_BL */
131 {OFFSET(gpmc_a2), (MODE(7) | PULLUDDIS)}, /* gpio1[18] - LED_Cloud_BL */
132 {OFFSET(gpmc_a3), (MODE(7) | PULLUDDIS)}, /* gpio1[19] - LED_PWM as GPIO */
133 {OFFSET(gpmc_a4), (MODE(7))}, /* gpio1[20] - #eMMC_RST */
134 {OFFSET(gpmc_a5), (MODE(7) | PULLUDDIS)}, /* gpio1[21] - #Z-Wave_RST */
135 {OFFSET(gpmc_a6), (MODE(7) | PULLUDDIS)}, /* gpio1[22] - ENOC_RST */
136 {OFFSET(gpmc_a7), (MODE(7) | PULLUP_EN)}, /* gpio1[23] - WIFI_MODE */
137 {OFFSET(gpmc_a8), (MODE(7) | RXACTIVE | PULLUDDIS)}, /* gpio1[24] - #BIDCOS_RST */
138 {OFFSET(gpmc_a9), (MODE(7) | RXACTIVE | PULLUDDIS)}, /* gpio1[25] - USR_BUTTON */
139 {OFFSET(gpmc_a10), (MODE(7) | RXACTIVE | PULLUDDIS)}, /* gpio1[26] - #USB1_OC */
140 {OFFSET(gpmc_a11), (MODE(7) | RXACTIVE | PULLUDDIS)}, /* gpio1[27] - BIDCOS_PROG */
141 {OFFSET(gpmc_be1n), (MODE(7) | PULLUP_EN)}, /* gpio1[28] - ZIGBEE_PC7 */
142 {OFFSET(gpmc_csn0), (MODE(7) | RXACTIVE | PULLUDDIS)}, /* gpio1[29] - RESET_BUTTON */
143 {OFFSET(gpmc_advn_ale), (MODE(7) | PULLUDDIS)}, /* gpio2[2] - LED_Cloud_RD */
144 {OFFSET(gpmc_oen_ren), (MODE(7) | PULLUDDIS | RXACTIVE)}, /* gpio2[3] - #WIFI_POR */
145 {OFFSET(gpmc_wen), (MODE(7) | PULLUDDIS)}, /* gpio2[4] - N/C */
146 {OFFSET(gpmc_be0n_cle), (MODE(7) | PULLUDDIS)}, /* gpio2[5] - EEPROM_WP */
147 {OFFSET(lcd_data0), (MODE(7) | PULLUDDIS)}, /* gpio2[6] */
148 {OFFSET(lcd_data1), (MODE(7) | PULLUDDIS)}, /* gpio2[7] */
149 {OFFSET(lcd_data2), (MODE(7) | PULLUDDIS)}, /* gpio2[8] */
150 {OFFSET(lcd_data3), (MODE(7) | PULLUDDIS)}, /* gpio2[9] */
151 {OFFSET(lcd_data4), (MODE(7) | PULLUDDIS)}, /* gpio2[10] */
152 {OFFSET(lcd_data5), (MODE(7) | PULLUDDIS)}, /* gpio2[11] */
153 {OFFSET(lcd_data6), (MODE(7) | PULLUDDIS)}, /* gpio2[12] */
154 {OFFSET(lcd_data7), (MODE(7) | PULLUDDIS)}, /* gpio2[13] */
155 {OFFSET(lcd_data8), (MODE(7) | PULLUDDIS)}, /* gpio2[14] */
156 {OFFSET(lcd_data9), (MODE(7) | PULLUDDIS)}, /* gpio2[15] */
157 {OFFSET(lcd_data10), (MODE(7) | PULLUDDIS)}, /* gpio2[16] */
158 {OFFSET(lcd_data11), (MODE(7) | PULLUDDIS)}, /* gpio2[17] */
159 {OFFSET(lcd_data12), (MODE(7) | PULLUDDIS)}, /* gpio0[8] */
160 {OFFSET(lcd_data13), (MODE(7) | PULLUDDIS)}, /* gpio0[9] */
161 {OFFSET(lcd_data14), (MODE(7) | PULLUDDIS)}, /* gpio0[10] */
162 {OFFSET(lcd_data15), (MODE(7) | PULLUDDIS)}, /* gpio0[11] */
163 {OFFSET(lcd_vsync), (MODE(7) | PULLUDDIS)}, /* gpio2[22] */
164 {OFFSET(lcd_hsync), (MODE(7) | PULLUDDIS)}, /* gpio2[23] */
165 {OFFSET(lcd_pclk), (MODE(7) | PULLUDDIS)}, /* gpio2[24] */
166 {OFFSET(lcd_ac_bias_en), (MODE(7) | PULLUDDIS)},/* gpio2[25] */
167 {OFFSET(spi0_d1), (MODE(7) | PULLUDDIS)}, /* gpio0[4] */
168 {OFFSET(spi0_cs0), (MODE(7) | PULLUDDIS)}, /* gpio0[5] */
169 {OFFSET(mcasp0_aclkr), (MODE(7) | PULLUDDIS)}, /* gpio3[18] - #ZIGBEE_RST */
170 {OFFSET(mcasp0_fsr), (MODE(7)) | PULLUDDIS}, /* gpio3[19] - ZIGBEE_BOOT */
171 {OFFSET(mcasp0_axr1), (MODE(7) | RXACTIVE)}, /* gpio3[19] - ZIGBEE_BOOT */
172 {OFFSET(mcasp0_ahclkx), (MODE(7) | RXACTIVE | PULLUP_EN)},/* gpio3[21] - ZIGBEE_PC5 */
173 {-1},
174 };
175
176 static struct module_pin_mux mii1_pin_mux[] = {
177 {OFFSET(mii1_col), MODE(0) | RXACTIVE},
178 {OFFSET(mii1_crs), MODE(0) | RXACTIVE},
179 {OFFSET(mii1_rxerr), MODE(0) | RXACTIVE},
180 {OFFSET(mii1_txen), MODE(0)},
181 {OFFSET(mii1_rxdv), MODE(0) | RXACTIVE},
182 {OFFSET(mii1_txd3), MODE(0)},
183 {OFFSET(mii1_txd2), MODE(0)},
184 {OFFSET(mii1_txd1), MODE(0) | RXACTIVE},
185 {OFFSET(mii1_txd0), MODE(0) | RXACTIVE},
186 {OFFSET(mii1_txclk), MODE(0) | RXACTIVE},
187 {OFFSET(mii1_rxclk), MODE(0) | RXACTIVE},
188 {OFFSET(mii1_rxd3), MODE(0) | RXACTIVE},
189 {OFFSET(mii1_rxd2), MODE(0) | RXACTIVE},
190 {OFFSET(mii1_rxd1), MODE(0) | RXACTIVE},
191 {OFFSET(mii1_rxd0), MODE(0) | RXACTIVE},
192 {OFFSET(rmii1_refclk), MODE(7) | RXACTIVE},
193 {OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN},
194 {OFFSET(mdio_clk), MODE(0) | PULLUP_EN},
195 {-1},
196 };
197
198 static struct module_pin_mux pwm_pin_mux[] = {
199 {OFFSET(gpmc_a3), (MODE(6) | PULLUDDIS)},
200 {-1},
201 };
202
203 void enable_uart0_pin_mux(void)
204 {
205 configure_module_pin_mux(uart0_pin_mux);
206 }
207
208 void enable_uart1_pin_mux(void)
209 {
210 configure_module_pin_mux(uart1_pin_mux);
211 }
212
213 void enable_uart2_pin_mux(void)
214 {
215 configure_module_pin_mux(uart2_pin_mux);
216 }
217
218 void enable_uart3_pin_mux(void)
219 {
220 }
221
222 void enable_uart4_pin_mux(void)
223 {
224 configure_module_pin_mux(uart4_pin_mux);
225 }
226
227 void enable_uart5_pin_mux(void)
228 {
229 }
230
231 void enable_i2c0_pin_mux(void)
232 {
233 configure_module_pin_mux(i2c0_pin_mux);
234 }
235
236 void enable_shc_board_pwm_pin_mux(void)
237 {
238 configure_module_pin_mux(pwm_pin_mux);
239 }
240
241 void enable_shc_board_pin_mux(void)
242 {
243 /* Do board-specific muxes. */
244 if (board_is_c3_sample() || board_is_series()) {
245 configure_module_pin_mux(mii1_pin_mux);
246 configure_module_pin_mux(mmc0_pin_mux);
247 configure_module_pin_mux(mmc1_pin_mux);
248 configure_module_pin_mux(mmc2_pin_mux);
249 configure_module_pin_mux(i2c0_pin_mux);
250 configure_module_pin_mux(gpio0_7_pin_mux);
251 configure_module_pin_mux(gpio_pin_mux);
252 configure_module_pin_mux(uart1_pin_mux);
253 configure_module_pin_mux(uart2_pin_mux);
254 configure_module_pin_mux(uart4_pin_mux);
255 configure_module_pin_mux(spi1_pin_mux);
256 configure_module_pin_mux(jtag_pin_mux);
257 } else {
258 puts("Unknown board, cannot configure pinmux.");
259 hang();
260 }
261 }