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Bo Shen60f3dd32013-05-12 22:40:54 +00001/*
2 * Copyright (C) 2012-2013 Atmel Corporation
3 * Bo Shen <voice.shen@atmel.com>
4 *
Wolfgang Denkd79de1d2013-07-08 09:37:19 +02005 * SPDX-License-Identifier: GPL-2.0+
Bo Shen60f3dd32013-05-12 22:40:54 +00006 */
7
8#include <common.h>
9#include <asm/arch/sama5d3.h>
10#include <asm/arch/at91_common.h>
11#include <asm/arch/at91_pmc.h>
12#include <asm/arch/clk.h>
13#include <asm/arch/gpio.h>
14#include <asm/io.h>
15
16unsigned int has_emac()
17{
18 return cpu_is_sama5d31() || cpu_is_sama5d35();
19}
20
21unsigned int has_gmac()
22{
23 return !cpu_is_sama5d31();
24}
25
26unsigned int has_lcdc()
27{
28 return !cpu_is_sama5d35();
29}
30
31char *get_cpu_name()
32{
33 unsigned int extension_id = get_extension_chip_id();
34
35 if (cpu_is_sama5d3())
36 switch (extension_id) {
37 case ARCH_EXID_SAMA5D31:
38 return "SAMA5D31";
39 case ARCH_EXID_SAMA5D33:
40 return "SAMA5D33";
41 case ARCH_EXID_SAMA5D34:
42 return "SAMA5D34";
43 case ARCH_EXID_SAMA5D35:
44 return "SAMA5D35";
45 default:
46 return "Unknown CPU type";
47 }
48 else
49 return "Unknown CPU type";
50}
51
52void at91_serial0_hw_init(void)
53{
54 at91_set_a_periph(AT91_PIO_PORTD, 18, 1); /* TXD0 */
55 at91_set_a_periph(AT91_PIO_PORTD, 17, 0); /* RXD0 */
56
57 /* Enable clock */
58 at91_periph_clk_enable(ATMEL_ID_USART0);
59}
60
61void at91_serial1_hw_init(void)
62{
63 at91_set_a_periph(AT91_PIO_PORTB, 29, 1); /* TXD1 */
64 at91_set_a_periph(AT91_PIO_PORTB, 28, 0); /* RXD1 */
65
66 /* Enable clock */
67 at91_periph_clk_enable(ATMEL_ID_USART1);
68}
69
70void at91_serial2_hw_init(void)
71{
72 at91_set_b_periph(AT91_PIO_PORTE, 26, 1); /* TXD2 */
73 at91_set_b_periph(AT91_PIO_PORTE, 25, 0); /* RXD2 */
74
75 /* Enable clock */
76 at91_periph_clk_enable(ATMEL_ID_USART2);
77}
78
79void at91_seriald_hw_init(void)
80{
81 at91_set_a_periph(AT91_PIO_PORTB, 31, 1); /* DTXD */
82 at91_set_a_periph(AT91_PIO_PORTB, 30, 0); /* DRXD */
83
84 /* Enable clock */
85 at91_periph_clk_enable(ATMEL_ID_SYS);
86}
87
88#if defined(CONFIG_ATMEL_SPI)
89void at91_spi0_hw_init(unsigned long cs_mask)
90{
91 at91_set_a_periph(AT91_PIO_PORTD, 10, 0); /* SPI0_MISO */
92 at91_set_a_periph(AT91_PIO_PORTD, 11, 0); /* SPI0_MOSI */
93 at91_set_a_periph(AT91_PIO_PORTD, 12, 0); /* SPI0_SPCK */
94
95 if (cs_mask & (1 << 0))
96 at91_set_pio_output(AT91_PIO_PORTD, 13, 1);
97 if (cs_mask & (1 << 1))
98 at91_set_pio_output(AT91_PIO_PORTD, 14, 1);
99 if (cs_mask & (1 << 2))
100 at91_set_pio_output(AT91_PIO_PORTD, 15, 1);
101 if (cs_mask & (1 << 3))
102 at91_set_pio_output(AT91_PIO_PORTD, 16, 1);
103
104 /* Enable clock */
105 at91_periph_clk_enable(ATMEL_ID_SPI0);
106}
107#endif
108
109#ifdef CONFIG_GENERIC_ATMEL_MCI
110void at91_mci_hw_init(void)
111{
112 at91_set_a_periph(AT91_PIO_PORTD, 0, 0); /* MCI0 CMD */
113 at91_set_a_periph(AT91_PIO_PORTD, 1, 0); /* MCI0 DA0 */
114 at91_set_a_periph(AT91_PIO_PORTD, 2, 0); /* MCI0 DA1 */
115 at91_set_a_periph(AT91_PIO_PORTD, 3, 0); /* MCI0 DA2 */
116 at91_set_a_periph(AT91_PIO_PORTD, 4, 0); /* MCI0 DA3 */
117#ifdef CONFIG_ATMEL_MCI_8BIT
118 at91_set_a_periph(AT91_PIO_PORTD, 5, 0); /* MCI0 DA4 */
119 at91_set_a_periph(AT91_PIO_PORTD, 6, 0); /* MCI0 DA5 */
120 at91_set_a_periph(AT91_PIO_PORTD, 7, 0); /* MCI0 DA6 */
121 at91_set_a_periph(AT91_PIO_PORTD, 8, 0); /* MCI0 DA7 */
122#endif
123 at91_set_a_periph(AT91_PIO_PORTD, 9, 0); /* MCI0 CLK */
124
125 /* Enable clock */
126 at91_periph_clk_enable(ATMEL_ID_MCI0);
127}
128#endif
129
130#ifdef CONFIG_MACB
131void at91_macb_hw_init(void)
132{
133 at91_set_a_periph(AT91_PIO_PORTC, 7, 0); /* ETXCK_EREFCK */
134 at91_set_a_periph(AT91_PIO_PORTC, 5, 0); /* ERXDV */
135 at91_set_a_periph(AT91_PIO_PORTC, 2, 0); /* ERX0 */
136 at91_set_a_periph(AT91_PIO_PORTC, 3, 0); /* ERX1 */
137 at91_set_a_periph(AT91_PIO_PORTC, 6, 0); /* ERXER */
138 at91_set_a_periph(AT91_PIO_PORTC, 4, 0); /* ETXEN */
139 at91_set_a_periph(AT91_PIO_PORTC, 0, 0); /* ETX0 */
140 at91_set_a_periph(AT91_PIO_PORTC, 1, 0); /* ETX1 */
141 at91_set_a_periph(AT91_PIO_PORTC, 9, 0); /* EMDIO */
142 at91_set_a_periph(AT91_PIO_PORTC, 8, 0); /* EMDC */
143
144 /* Enable clock */
145 at91_periph_clk_enable(ATMEL_ID_EMAC);
146}
147#endif
148
149#ifdef CONFIG_LCD
150void at91_lcd_hw_init(void)
151{
152 at91_set_a_periph(AT91_PIO_PORTA, 24, 0); /* LCDPWM */
153 at91_set_a_periph(AT91_PIO_PORTA, 25, 0); /* LCDDISP */
154 at91_set_a_periph(AT91_PIO_PORTA, 26, 0); /* LCDVSYNC */
155 at91_set_a_periph(AT91_PIO_PORTA, 27, 0); /* LCDHSYNC */
156 at91_set_a_periph(AT91_PIO_PORTA, 28, 0); /* LCDDOTCK */
157 at91_set_a_periph(AT91_PIO_PORTA, 29, 0); /* LCDDEN */
158
159 /* The lower 16-bit of LCD only available on Port A */
160 at91_set_a_periph(AT91_PIO_PORTA, 0, 0); /* LCDD0 */
161 at91_set_a_periph(AT91_PIO_PORTA, 1, 0); /* LCDD1 */
162 at91_set_a_periph(AT91_PIO_PORTA, 2, 0); /* LCDD2 */
163 at91_set_a_periph(AT91_PIO_PORTA, 3, 0); /* LCDD3 */
164 at91_set_a_periph(AT91_PIO_PORTA, 4, 0); /* LCDD4 */
165 at91_set_a_periph(AT91_PIO_PORTA, 5, 0); /* LCDD5 */
166 at91_set_a_periph(AT91_PIO_PORTA, 6, 0); /* LCDD6 */
167 at91_set_a_periph(AT91_PIO_PORTA, 7, 0); /* LCDD7 */
168 at91_set_a_periph(AT91_PIO_PORTA, 8, 0); /* LCDD8 */
169 at91_set_a_periph(AT91_PIO_PORTA, 9, 0); /* LCDD9 */
170 at91_set_a_periph(AT91_PIO_PORTA, 10, 0); /* LCDD10 */
171 at91_set_a_periph(AT91_PIO_PORTA, 11, 0); /* LCDD11 */
172 at91_set_a_periph(AT91_PIO_PORTA, 12, 0); /* LCDD12 */
173 at91_set_a_periph(AT91_PIO_PORTA, 13, 0); /* LCDD13 */
174 at91_set_a_periph(AT91_PIO_PORTA, 14, 0); /* LCDD14 */
175 at91_set_a_periph(AT91_PIO_PORTA, 15, 0); /* LCDD15 */
176
177 /* Enable clock */
178 at91_periph_clk_enable(ATMEL_ID_LCDC);
179}
180#endif