summaryrefslogtreecommitdiffstats
path: root/arch/arm/cpu/arm926ejs/at91/at91sam9n12_devices.c
blob: 6eaeac0fc29d5c7bbfa7c4999fc1ac679c42c61c (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
/*
 * (C) Copyright 2013 Atmel Corporation
 * Josh Wu <josh.wu@atmel.com>
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include <common.h>
#include <asm/io.h>
#include <asm/arch/at91_common.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/at91_pio.h>

unsigned int has_lcdc()
{
	return 1;
}

void at91_serial0_hw_init(void)
{
	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;

	at91_set_a_periph(AT91_PIO_PORTA, 0, 1);		/* TXD0 */
	at91_set_a_periph(AT91_PIO_PORTA, 1, 0);		/* RXD0 */
	writel(1 << ATMEL_ID_USART0, &pmc->pcer);
}

void at91_serial1_hw_init(void)
{
	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;

	at91_set_a_periph(AT91_PIO_PORTA, 5, 1);		/* TXD1 */
	at91_set_a_periph(AT91_PIO_PORTA, 6, 0);		/* RXD1 */
	writel(1 << ATMEL_ID_USART1, &pmc->pcer);
}

void at91_serial2_hw_init(void)
{
	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;

	at91_set_a_periph(AT91_PIO_PORTA, 7, 1);		/* TXD2 */
	at91_set_a_periph(AT91_PIO_PORTA, 8, 0);		/* RXD2 */
	writel(1 << ATMEL_ID_USART2, &pmc->pcer);
}

void at91_serial3_hw_init(void)
{
	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;

	at91_set_b_periph(AT91_PIO_PORTC, 22, 1);		/* TXD3 */
	at91_set_b_periph(AT91_PIO_PORTC, 23, 0);		/* RXD3 */
	writel(1 << ATMEL_ID_USART3, &pmc->pcer);
}

void at91_seriald_hw_init(void)
{
	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;

	at91_set_a_periph(AT91_PIO_PORTA, 10, 1);		/* DTXD */
	at91_set_a_periph(AT91_PIO_PORTA, 9, 0);		/* DRXD */
	writel(1 << ATMEL_ID_SYS, &pmc->pcer);
}

#ifdef CONFIG_ATMEL_SPI
void at91_spi0_hw_init(unsigned long cs_mask)
{
	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;

	at91_set_a_periph(AT91_PIO_PORTA, 11, 0);	/* SPI0_MISO */
	at91_set_a_periph(AT91_PIO_PORTA, 12, 0);	/* SPI0_MOSI */
	at91_set_a_periph(AT91_PIO_PORTA, 13, 0);	/* SPI0_SPCK */

	/* Enable clock */
	writel(1 << ATMEL_ID_SPI0, &pmc->pcer);

	if (cs_mask & (1 << 0))
		at91_set_pio_output(AT91_PIO_PORTA, 14, 1);
	if (cs_mask & (1 << 1))
		at91_set_pio_output(AT91_PIO_PORTA, 7, 1);
	if (cs_mask & (1 << 2))
		at91_set_pio_output(AT91_PIO_PORTA, 1, 1);
	if (cs_mask & (1 << 3))
		at91_set_pio_output(AT91_PIO_PORTB, 3, 1);
}

void at91_spi1_hw_init(unsigned long cs_mask)
{
	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;

	at91_set_b_periph(AT91_PIO_PORTA, 21, 0);	/* SPI1_MISO */
	at91_set_b_periph(AT91_PIO_PORTA, 22, 0);	/* SPI1_MOSI */
	at91_set_b_periph(AT91_PIO_PORTA, 23, 0);	/* SPI1_SPCK */

	/* Enable clock */
	writel(1 << ATMEL_ID_SPI1, &pmc->pcer);

	if (cs_mask & (1 << 0))
		at91_set_pio_output(AT91_PIO_PORTA, 8, 1);
	if (cs_mask & (1 << 1))
		at91_set_pio_output(AT91_PIO_PORTA, 0, 1);
	if (cs_mask & (1 << 2))
		at91_set_pio_output(AT91_PIO_PORTA, 31, 1);
	if (cs_mask & (1 << 3))
		at91_set_pio_output(AT91_PIO_PORTA, 30, 1);
}
#endif

void at91_mci_hw_init(void)
{
	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;

	at91_set_a_periph(AT91_PIO_PORTA, 17, 0);	/* MCCK */
	at91_set_a_periph(AT91_PIO_PORTA, 16, 0);	/* MCCDA */
	at91_set_a_periph(AT91_PIO_PORTA, 15, 0);	/* MCDA0 */
	at91_set_a_periph(AT91_PIO_PORTA, 18, 0);	/* MCDA1 */
	at91_set_a_periph(AT91_PIO_PORTA, 19, 0);	/* MCDA2 */
	at91_set_a_periph(AT91_PIO_PORTA, 20, 0);	/* MCDA3 */

	writel(1 << ATMEL_ID_HSMCI0, &pmc->pcer);
}

#ifdef CONFIG_LCD
void at91_lcd_hw_init(void)
{
	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;

	at91_set_a_periph(AT91_PIO_PORTC, 24, 0);	/* LCDDPWR */
	at91_set_a_periph(AT91_PIO_PORTC, 26, 0);	/* LCDVSYNC */
	at91_set_a_periph(AT91_PIO_PORTC, 27, 0);	/* LCDHSYNC */
	at91_set_a_periph(AT91_PIO_PORTC, 28, 0);	/* LCDDOTCK */
	at91_set_a_periph(AT91_PIO_PORTC, 29, 0);	/* LCDDEN */
	at91_set_a_periph(AT91_PIO_PORTC, 30, 0);	/* LCDDOTCK */

	at91_set_a_periph(AT91_PIO_PORTC, 0, 0);	/* LCDD0 */
	at91_set_a_periph(AT91_PIO_PORTC, 1, 0);	/* LCDD1 */
	at91_set_a_periph(AT91_PIO_PORTC, 2, 0);	/* LCDD2 */
	at91_set_a_periph(AT91_PIO_PORTC, 3, 0);	/* LCDD3 */
	at91_set_a_periph(AT91_PIO_PORTC, 4, 0);	/* LCDD4 */
	at91_set_a_periph(AT91_PIO_PORTC, 5, 0);	/* LCDD5 */
	at91_set_a_periph(AT91_PIO_PORTC, 6, 0);	/* LCDD6 */
	at91_set_a_periph(AT91_PIO_PORTC, 7, 0);	/* LCDD7 */
	at91_set_a_periph(AT91_PIO_PORTC, 8, 0);	/* LCDD8 */
	at91_set_a_periph(AT91_PIO_PORTC, 9, 0);	/* LCDD9 */
	at91_set_a_periph(AT91_PIO_PORTC, 10, 0);	/* LCDD10 */
	at91_set_a_periph(AT91_PIO_PORTC, 11, 0);	/* LCDD11 */
	at91_set_a_periph(AT91_PIO_PORTC, 12, 0);	/* LCDD12 */
	at91_set_a_periph(AT91_PIO_PORTC, 13, 0);	/* LCDD13 */
	at91_set_a_periph(AT91_PIO_PORTC, 14, 0);	/* LCDD14 */
	at91_set_a_periph(AT91_PIO_PORTC, 15, 0);	/* LCDD15 */
	at91_set_a_periph(AT91_PIO_PORTC, 16, 0);	/* LCDD16 */
	at91_set_a_periph(AT91_PIO_PORTC, 17, 0);	/* LCDD17 */
	at91_set_a_periph(AT91_PIO_PORTC, 18, 0);	/* LCDD18 */
	at91_set_a_periph(AT91_PIO_PORTC, 19, 0);	/* LCDD19 */
	at91_set_a_periph(AT91_PIO_PORTC, 20, 0);	/* LCDD20 */
	at91_set_a_periph(AT91_PIO_PORTC, 21, 0);	/* LCDD21 */
	at91_set_a_periph(AT91_PIO_PORTC, 22, 0);	/* LCDD22 */
	at91_set_a_periph(AT91_PIO_PORTC, 23, 0);	/* LCDD23 */

	writel(1 << ATMEL_ID_LCDC, &pmc->pcer);
}
#endif
OpenPOWER on IntegriCloud