1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Board file for the VInCo platform
4 * Based on the the SAMA5-EK board file
5 * Configuration settings for the VInCo platform.
6 * Copyright (C) 2014 Atmel
7 * Bo Shen <voice.shen@atmel.com>
8 * Copyright (C) 2015 Free Electrons
9 * Gregory CLEMENT <gregory.clement@free-electrons.com>
10 */
11
12 #include <common.h>
13 #include <init.h>
14 #include <asm/global_data.h>
15 #include <asm/io.h>
16 #include <asm/arch/at91_common.h>
17 #include <asm/arch/at91_pmc.h>
18 #include <asm/arch/at91_rstc.h>
19 #include <asm/arch/atmel_mpddrc.h>
20 #include <asm/arch/atmel_usba_udc.h>
21 #include <asm/arch/gpio.h>
22 #include <asm/arch/clk.h>
23 #include <asm/arch/sama5d3_smc.h>
24 #include <asm/arch/sama5d4.h>
25 #include <atmel_hlcdc.h>
26 #include <atmel_mci.h>
27 #include <lcd.h>
28 #include <mmc.h>
29 #include <net.h>
30 #include <netdev.h>
31 #include <nand.h>
32 #include <spi.h>
33 #include <version.h>
34
35 DECLARE_GLOBAL_DATA_PTR;
36
37 /* FIXME gpio code here need to handle through DM_GPIO */
38 #if !CONFIG_IS_ENABLED(DM_SPI)
spi_cs_is_valid(unsigned int bus,unsigned int cs)39 int spi_cs_is_valid(unsigned int bus, unsigned int cs)
40 {
41 return bus == 0 && cs == 0;
42 }
43
spi_cs_activate(struct spi_slave * slave)44 void spi_cs_activate(struct spi_slave *slave)
45 {
46 at91_set_pio_output(AT91_PIO_PORTC, 3, 0);
47 }
48
spi_cs_deactivate(struct spi_slave * slave)49 void spi_cs_deactivate(struct spi_slave *slave)
50 {
51 at91_set_pio_output(AT91_PIO_PORTC, 3, 1);
52 }
53
vinco_spi0_hw_init(void)54 static void vinco_spi0_hw_init(void)
55 {
56 at91_pio3_set_a_periph(AT91_PIO_PORTC, 0, 0); /* SPI0_MISO */
57 at91_pio3_set_a_periph(AT91_PIO_PORTC, 1, 0); /* SPI0_MOSI */
58 at91_pio3_set_a_periph(AT91_PIO_PORTC, 2, 0); /* SPI0_SPCK */
59
60 at91_set_pio_output(AT91_PIO_PORTC, 3, 1); /* SPI0_CS0 */
61
62 /* Enable clock */
63 at91_periph_clk_enable(ATMEL_ID_SPI0);
64 }
65 #endif /* CONFIG_ATMEL_SPI */
66
67
68 #ifdef CONFIG_CMD_USB
vinco_usb_hw_init(void)69 static void vinco_usb_hw_init(void)
70 {
71 at91_set_pio_output(AT91_PIO_PORTE, 11, 0);
72 at91_set_pio_output(AT91_PIO_PORTE, 12, 0);
73 at91_set_pio_output(AT91_PIO_PORTE, 10, 0);
74 }
75 #endif
76
77
78 #ifdef CONFIG_GENERIC_ATMEL_MCI
vinco_mci0_hw_init(void)79 void vinco_mci0_hw_init(void)
80 {
81 at91_pio3_set_b_periph(AT91_PIO_PORTC, 5, 1); /* MCI0 CDA */
82 at91_pio3_set_b_periph(AT91_PIO_PORTC, 6, 1); /* MCI0 DA0 */
83 at91_pio3_set_b_periph(AT91_PIO_PORTC, 7, 1); /* MCI0 DA1 */
84 at91_pio3_set_b_periph(AT91_PIO_PORTC, 8, 1); /* MCI0 DA2 */
85 at91_pio3_set_b_periph(AT91_PIO_PORTC, 9, 1); /* MCI0 DA3 */
86 at91_pio3_set_b_periph(AT91_PIO_PORTC, 10, 1); /* MCI0 DA4 */
87 at91_pio3_set_b_periph(AT91_PIO_PORTC, 11, 1); /* MCI0 DA5 */
88 at91_pio3_set_b_periph(AT91_PIO_PORTC, 12, 1); /* MCI0 DA6 */
89 at91_pio3_set_b_periph(AT91_PIO_PORTC, 13, 1); /* MCI0 DA7 */
90 at91_pio3_set_b_periph(AT91_PIO_PORTC, 4, 0); /* MCI0 CLK */
91
92 /*
93 * As the mci io internal pull down is too strong, so if the io needs
94 * external pull up, the pull up resistor will be very small, if so
95 * the power consumption will increase, so disable the interanl pull
96 * down to save the power.
97 */
98 at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 4, 0);
99 at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 5, 0);
100 at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 6, 0);
101 at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 7, 0);
102 at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 8, 0);
103 at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 9, 0);
104 at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 10, 0);
105 at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 11, 0);
106 at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 12, 0);
107 at91_pio3_set_pio_pulldown(AT91_PIO_PORTC, 13, 0);
108
109 /* Enable clock */
110 at91_periph_clk_enable(ATMEL_ID_MCI0);
111 }
112
board_mmc_init(struct bd_info * bis)113 int board_mmc_init(struct bd_info *bis)
114 {
115 /* Enable power for MCI0 interface */
116 at91_set_pio_output(AT91_PIO_PORTE, 7, 1);
117
118 return atmel_mci_init((void *)ATMEL_BASE_MCI0);
119 }
120 #endif /* CONFIG_GENERIC_ATMEL_MCI */
121
122 #ifdef CONFIG_MACB
vinco_macb0_hw_init(void)123 void vinco_macb0_hw_init(void)
124 {
125 at91_pio3_set_a_periph(AT91_PIO_PORTB, 0, 0); /* ETXCK_EREFCK */
126 at91_pio3_set_a_periph(AT91_PIO_PORTB, 6, 0); /* ERXDV */
127 at91_pio3_set_a_periph(AT91_PIO_PORTB, 8, 0); /* ERX0 */
128 at91_pio3_set_a_periph(AT91_PIO_PORTB, 9, 0); /* ERX1 */
129 at91_pio3_set_a_periph(AT91_PIO_PORTB, 7, 0); /* ERXER */
130 at91_pio3_set_a_periph(AT91_PIO_PORTB, 2, 0); /* ETXEN */
131 at91_pio3_set_a_periph(AT91_PIO_PORTB, 12, 0); /* ETX0 */
132 at91_pio3_set_a_periph(AT91_PIO_PORTB, 13, 0); /* ETX1 */
133 at91_pio3_set_a_periph(AT91_PIO_PORTB, 17, 0); /* EMDIO */
134 at91_pio3_set_a_periph(AT91_PIO_PORTB, 16, 0); /* EMDC */
135
136 /* Enable clock */
137 at91_periph_clk_enable(ATMEL_ID_GMAC0);
138
139 /* Enable Phy*/
140 at91_set_pio_output(AT91_PIO_PORTE, 8, 1);
141 }
142 #endif
143
vinco_serial3_hw_init(void)144 static void vinco_serial3_hw_init(void)
145 {
146 at91_pio3_set_b_periph(AT91_PIO_PORTE, 17, 1); /* TXD3 */
147 at91_pio3_set_b_periph(AT91_PIO_PORTE, 16, 0); /* RXD3 */
148
149 /* Enable clock */
150 at91_periph_clk_enable(ATMEL_ID_USART3);
151 }
152
board_early_init_f(void)153 int board_early_init_f(void)
154 {
155 at91_periph_clk_enable(ATMEL_ID_PIOA);
156 at91_periph_clk_enable(ATMEL_ID_PIOB);
157 at91_periph_clk_enable(ATMEL_ID_PIOC);
158 at91_periph_clk_enable(ATMEL_ID_PIOD);
159 at91_periph_clk_enable(ATMEL_ID_PIOE);
160
161 vinco_serial3_hw_init();
162
163 return 0;
164 }
165
board_init(void)166 int board_init(void)
167 {
168 /* adress of boot parameters */
169 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
170
171 #if !CONFIG_IS_ENABLED(DM_SPI)
172 vinco_spi0_hw_init();
173 #endif
174
175 #ifdef CONFIG_GENERIC_ATMEL_MCI
176 vinco_mci0_hw_init();
177 #endif
178 #ifdef CONFIG_MACB
179 vinco_macb0_hw_init();
180 #endif
181 #ifdef CONFIG_CMD_USB
182 vinco_usb_hw_init();
183 #endif
184 #ifdef CONFIG_USB_GADGET_ATMEL_USBA
185 at91_udp_hw_init();
186 #endif
187
188 return 0;
189 }
190
dram_init(void)191 int dram_init(void)
192 {
193 gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
194 CONFIG_SYS_SDRAM_SIZE);
195 return 0;
196 }
197
board_eth_init(struct bd_info * bis)198 int board_eth_init(struct bd_info *bis)
199 {
200 int rc = 0;
201
202 #ifdef CONFIG_MACB
203 rc = macb_eth_initialize(0, (void *)ATMEL_BASE_GMAC0, 0x00);
204 #endif
205
206 #ifdef CONFIG_USB_GADGET_ATMEL_USBA
207 usba_udc_probe(&pdata);
208 #ifdef CONFIG_USB_ETH_RNDIS
209 usb_eth_initialize(bis);
210 #endif
211 #endif
212
213 return rc;
214 }
215