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