summaryrefslogtreecommitdiff
path: root/board/l+g/vinco/vinco.c
blob: 3d7af092e8396885179735b77c43d61a40fd8952 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
/*
 * Board file for the VInCo platform
 * Based on the the SAMA5-EK board file
 * Configuration settings for the VInCo platform.
 * Copyright (C) 2014 Atmel
 *		      Bo Shen <voice.shen@atmel.com>
 * Copyright (C) 2015 Free Electrons
 *		      Gregory CLEMENT <gregory.clement@free-electrons.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <asm/io.h>
#include <asm/arch/at91_common.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/at91_rstc.h>
#include <asm/arch/atmel_mpddrc.h>
#include <asm/arch/atmel_usba_udc.h>
#include <asm/arch/gpio.h>
#include <asm/arch/clk.h>
#include <asm/arch/sama5d3_smc.h>
#include <asm/arch/sama5d4.h>
#include <atmel_hlcdc.h>
#include <atmel_mci.h>
#include <lcd.h>
#include <mmc.h>
#include <net.h>
#include <netdev.h>
#include <nand.h>
#include <spi.h>
#include <version.h>

DECLARE_GLOBAL_DATA_PTR;

#ifdef CONFIG_ATMEL_SPI
int spi_cs_is_valid(unsigned int bus, unsigned int cs)
{
	return bus == 0 && cs == 0;
}

void spi_cs_activate(struct spi_slave *slave)
{
	at91_set_pio_output(AT91_PIO_PORTC, 3, 0);
}

void spi_cs_deactivate(struct spi_slave *slave)
{
	at91_set_pio_output(AT91_PIO_PORTC, 3, 1);
}

static void vinco_spi0_hw_init(void)
{
	at91_set_a_periph(AT91_PIO_PORTC, 0, 0);	/* SPI0_MISO */
	at91_set_a_periph(AT91_PIO_PORTC, 1, 0);	/* SPI0_MOSI */
	at91_set_a_periph(AT91_PIO_PORTC, 2, 0);	/* SPI0_SPCK */

	at91_set_pio_output(AT91_PIO_PORTC, 3, 1);	/* SPI0_CS0 */

	/* Enable clock */
	at91_periph_clk_enable(ATMEL_ID_SPI0);
}
#endif /* CONFIG_ATMEL_SPI */


#ifdef CONFIG_CMD_USB
static void vinco_usb_hw_init(void)
{
	at91_set_pio_output(AT91_PIO_PORTE, 11, 0);
	at91_set_pio_output(AT91_PIO_PORTE, 12, 0);
	at91_set_pio_output(AT91_PIO_PORTE, 10, 0);
}
#endif


#ifdef CONFIG_GENERIC_ATMEL_MCI
void vinco_mci0_hw_init(void)
{
	at91_set_b_periph(AT91_PIO_PORTC, 5, 1);	/* MCI0 CDA */
	at91_set_b_periph(AT91_PIO_PORTC, 6, 1);	/* MCI0 DA0 */
	at91_set_b_periph(AT91_PIO_PORTC, 7, 1);	/* MCI0 DA1 */
	at91_set_b_periph(AT91_PIO_PORTC, 8, 1);	/* MCI0 DA2 */
	at91_set_b_periph(AT91_PIO_PORTC, 9, 1);	/* MCI0 DA3 */
	at91_set_b_periph(AT91_PIO_PORTC, 10, 1);	/* MCI0 DA4 */
	at91_set_b_periph(AT91_PIO_PORTC, 11, 1);	/* MCI0 DA5 */
	at91_set_b_periph(AT91_PIO_PORTC, 12, 1);	/* MCI0 DA6 */
	at91_set_b_periph(AT91_PIO_PORTC, 13, 1);	/* MCI0 DA7 */
	at91_set_b_periph(AT91_PIO_PORTC, 4, 0);	/* MCI0 CLK */

	/*
	 * As the mci io internal pull down is too strong, so if the io needs
	 * external pull up, the pull up resistor will be very small, if so
	 * the power consumption will increase, so disable the interanl pull
	 * down to save the power.
	 */
	at91_set_pio_pulldown(AT91_PIO_PORTC, 4, 0);
	at91_set_pio_pulldown(AT91_PIO_PORTC, 5, 0);
	at91_set_pio_pulldown(AT91_PIO_PORTC, 6, 0);
	at91_set_pio_pulldown(AT91_PIO_PORTC, 7, 0);
	at91_set_pio_pulldown(AT91_PIO_PORTC, 8, 0);
	at91_set_pio_pulldown(AT91_PIO_PORTC, 9, 0);
	at91_set_pio_pulldown(AT91_PIO_PORTC, 10, 0);
	at91_set_pio_pulldown(AT91_PIO_PORTC, 11, 0);
	at91_set_pio_pulldown(AT91_PIO_PORTC, 12, 0);
	at91_set_pio_pulldown(AT91_PIO_PORTC, 13, 0);

	/* Enable clock */
	at91_periph_clk_enable(ATMEL_ID_MCI0);
}

int board_mmc_init(bd_t *bis)
{
	/* Enable power for MCI0 interface */
	at91_set_pio_output(AT91_PIO_PORTE, 7, 1);

	return atmel_mci_init((void *)ATMEL_BASE_MCI0);
}
#endif /* CONFIG_GENERIC_ATMEL_MCI */

#ifdef CONFIG_MACB
void vinco_macb0_hw_init(void)
{
	at91_set_a_periph(AT91_PIO_PORTB, 0, 0);	/* ETXCK_EREFCK */
	at91_set_a_periph(AT91_PIO_PORTB, 6, 0);	/* ERXDV */
	at91_set_a_periph(AT91_PIO_PORTB, 8, 0);	/* ERX0 */
	at91_set_a_periph(AT91_PIO_PORTB, 9, 0);	/* ERX1 */
	at91_set_a_periph(AT91_PIO_PORTB, 7, 0);	/* ERXER */
	at91_set_a_periph(AT91_PIO_PORTB, 2, 0);	/* ETXEN */
	at91_set_a_periph(AT91_PIO_PORTB, 12, 0);	/* ETX0 */
	at91_set_a_periph(AT91_PIO_PORTB, 13, 0);	/* ETX1 */
	at91_set_a_periph(AT91_PIO_PORTB, 17, 0);	/* EMDIO */
	at91_set_a_periph(AT91_PIO_PORTB, 16, 0);	/* EMDC */

	/* Enable clock */
	at91_periph_clk_enable(ATMEL_ID_GMAC0);

	/* Enable Phy*/
	at91_set_pio_output(AT91_PIO_PORTE, 8, 1);
}
#endif

static void vinco_serial3_hw_init(void)
{
	at91_set_b_periph(AT91_PIO_PORTE, 17, 1);	/* TXD3 */
	at91_set_b_periph(AT91_PIO_PORTE, 16, 0);	/* RXD3 */

	/* Enable clock */
	at91_periph_clk_enable(ATMEL_ID_USART3);
}

int board_early_init_f(void)
{
	at91_periph_clk_enable(ATMEL_ID_PIOA);
	at91_periph_clk_enable(ATMEL_ID_PIOB);
	at91_periph_clk_enable(ATMEL_ID_PIOC);
	at91_periph_clk_enable(ATMEL_ID_PIOD);
	at91_periph_clk_enable(ATMEL_ID_PIOE);

	vinco_serial3_hw_init();

	return 0;
}

int board_init(void)
{
	/* adress of boot parameters */
	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;

#ifdef CONFIG_ATMEL_SPI
	vinco_spi0_hw_init();
#endif

#ifdef CONFIG_GENERIC_ATMEL_MCI
	vinco_mci0_hw_init();
#endif
#ifdef CONFIG_MACB
	vinco_macb0_hw_init();
#endif
#ifdef CONFIG_CMD_USB
	vinco_usb_hw_init();
#endif
#ifdef CONFIG_USB_GADGET_ATMEL_USBA
	at91_udp_hw_init();
#endif

	return 0;
}

int dram_init(void)
{
	gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
				    CONFIG_SYS_SDRAM_SIZE);
	return 0;
}

int board_eth_init(bd_t *bis)
{
	int rc = 0;

#ifdef CONFIG_MACB
	rc = macb_eth_initialize(0, (void *)ATMEL_BASE_GMAC0, 0x00);
#endif

#ifdef CONFIG_USB_GADGET_ATMEL_USBA
	usba_udc_probe(&pdata);
#ifdef CONFIG_USB_ETH_RNDIS
	usb_eth_initialize(bis);
#endif
#endif

	return rc;
}