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Tom Rini10e47792018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Bo Shen60f3dd32013-05-12 22:40:54 +00002/*
3 * Copyright (C) 2012-2013 Atmel Corporation
4 * Bo Shen <voice.shen@atmel.com>
Bo Shen60f3dd32013-05-12 22:40:54 +00005 */
6
7#include <common.h>
8#include <asm/arch/sama5d3.h>
9#include <asm/arch/at91_common.h>
Bo Shen60f3dd32013-05-12 22:40:54 +000010#include <asm/arch/clk.h>
11#include <asm/arch/gpio.h>
12#include <asm/io.h>
13
14unsigned int has_emac()
15{
Wu, Joshd0f0c7d2013-11-05 15:07:46 +080016 return cpu_is_sama5d31() || cpu_is_sama5d35() || cpu_is_sama5d36();
Bo Shen60f3dd32013-05-12 22:40:54 +000017}
18
19unsigned int has_gmac()
20{
21 return !cpu_is_sama5d31();
22}
23
24unsigned int has_lcdc()
25{
26 return !cpu_is_sama5d35();
27}
28
29char *get_cpu_name()
30{
31 unsigned int extension_id = get_extension_chip_id();
32
33 if (cpu_is_sama5d3())
34 switch (extension_id) {
35 case ARCH_EXID_SAMA5D31:
36 return "SAMA5D31";
37 case ARCH_EXID_SAMA5D33:
38 return "SAMA5D33";
39 case ARCH_EXID_SAMA5D34:
40 return "SAMA5D34";
41 case ARCH_EXID_SAMA5D35:
42 return "SAMA5D35";
Wu, Joshd0f0c7d2013-11-05 15:07:46 +080043 case ARCH_EXID_SAMA5D36:
44 return "SAMA5D36";
Bo Shen60f3dd32013-05-12 22:40:54 +000045 default:
46 return "Unknown CPU type";
47 }
48 else
49 return "Unknown CPU type";
50}
51
52void at91_serial0_hw_init(void)
53{
Wenyou Yang4a92a3e2017-03-23 12:44:36 +080054 at91_pio3_set_a_periph(AT91_PIO_PORTD, 18, 1); /* TXD0 */
55 at91_pio3_set_a_periph(AT91_PIO_PORTD, 17, 0); /* RXD0 */
Bo Shen60f3dd32013-05-12 22:40:54 +000056
57 /* Enable clock */
58 at91_periph_clk_enable(ATMEL_ID_USART0);
59}
60
61void at91_serial1_hw_init(void)
62{
Wenyou Yang4a92a3e2017-03-23 12:44:36 +080063 at91_pio3_set_a_periph(AT91_PIO_PORTB, 29, 1); /* TXD1 */
64 at91_pio3_set_a_periph(AT91_PIO_PORTB, 28, 0); /* RXD1 */
Bo Shen60f3dd32013-05-12 22:40:54 +000065
66 /* Enable clock */
67 at91_periph_clk_enable(ATMEL_ID_USART1);
68}
69
70void at91_serial2_hw_init(void)
71{
Wenyou Yang4a92a3e2017-03-23 12:44:36 +080072 at91_pio3_set_b_periph(AT91_PIO_PORTE, 26, 1); /* TXD2 */
73 at91_pio3_set_b_periph(AT91_PIO_PORTE, 25, 0); /* RXD2 */
Bo Shen60f3dd32013-05-12 22:40:54 +000074
75 /* Enable clock */
76 at91_periph_clk_enable(ATMEL_ID_USART2);
77}
78
79void at91_seriald_hw_init(void)
80{
Wenyou Yang4a92a3e2017-03-23 12:44:36 +080081 at91_pio3_set_a_periph(AT91_PIO_PORTB, 31, 1); /* DTXD */
82 at91_pio3_set_a_periph(AT91_PIO_PORTB, 30, 0); /* DRXD */
Bo Shen60f3dd32013-05-12 22:40:54 +000083
84 /* Enable clock */
Bo Shenf2afc3b2013-11-15 11:12:32 +080085 at91_periph_clk_enable(ATMEL_ID_DBGU);
Bo Shen60f3dd32013-05-12 22:40:54 +000086}
87
88#if defined(CONFIG_ATMEL_SPI)
89void at91_spi0_hw_init(unsigned long cs_mask)
90{
Wenyou Yang4a92a3e2017-03-23 12:44:36 +080091 at91_pio3_set_a_periph(AT91_PIO_PORTD, 10, 0); /* SPI0_MISO */
92 at91_pio3_set_a_periph(AT91_PIO_PORTD, 11, 0); /* SPI0_MOSI */
93 at91_pio3_set_a_periph(AT91_PIO_PORTD, 12, 0); /* SPI0_SPCK */
Bo Shen60f3dd32013-05-12 22:40:54 +000094
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{
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800112 at91_pio3_set_a_periph(AT91_PIO_PORTD, 0, 0); /* MCI0 CMD */
113 at91_pio3_set_a_periph(AT91_PIO_PORTD, 1, 0); /* MCI0 DA0 */
114 at91_pio3_set_a_periph(AT91_PIO_PORTD, 2, 0); /* MCI0 DA1 */
115 at91_pio3_set_a_periph(AT91_PIO_PORTD, 3, 0); /* MCI0 DA2 */
116 at91_pio3_set_a_periph(AT91_PIO_PORTD, 4, 0); /* MCI0 DA3 */
Bo Shen60f3dd32013-05-12 22:40:54 +0000117#ifdef CONFIG_ATMEL_MCI_8BIT
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800118 at91_pio3_set_a_periph(AT91_PIO_PORTD, 5, 0); /* MCI0 DA4 */
119 at91_pio3_set_a_periph(AT91_PIO_PORTD, 6, 0); /* MCI0 DA5 */
120 at91_pio3_set_a_periph(AT91_PIO_PORTD, 7, 0); /* MCI0 DA6 */
121 at91_pio3_set_a_periph(AT91_PIO_PORTD, 8, 0); /* MCI0 DA7 */
Bo Shen60f3dd32013-05-12 22:40:54 +0000122#endif
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800123 at91_pio3_set_a_periph(AT91_PIO_PORTD, 9, 0); /* MCI0 CLK */
Bo Shen60f3dd32013-05-12 22:40:54 +0000124
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{
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800133 at91_pio3_set_a_periph(AT91_PIO_PORTC, 7, 0); /* ETXCK_EREFCK */
134 at91_pio3_set_a_periph(AT91_PIO_PORTC, 5, 0); /* ERXDV */
135 at91_pio3_set_a_periph(AT91_PIO_PORTC, 2, 0); /* ERX0 */
136 at91_pio3_set_a_periph(AT91_PIO_PORTC, 3, 0); /* ERX1 */
137 at91_pio3_set_a_periph(AT91_PIO_PORTC, 6, 0); /* ERXER */
138 at91_pio3_set_a_periph(AT91_PIO_PORTC, 4, 0); /* ETXEN */
139 at91_pio3_set_a_periph(AT91_PIO_PORTC, 0, 0); /* ETX0 */
140 at91_pio3_set_a_periph(AT91_PIO_PORTC, 1, 0); /* ETX1 */
141 at91_pio3_set_a_periph(AT91_PIO_PORTC, 9, 0); /* EMDIO */
142 at91_pio3_set_a_periph(AT91_PIO_PORTC, 8, 0); /* EMDC */
Bo Shen60f3dd32013-05-12 22:40:54 +0000143
144 /* Enable clock */
145 at91_periph_clk_enable(ATMEL_ID_EMAC);
146}
Bo Shen6f6afad2013-06-26 10:11:06 +0800147
148void at91_gmac_hw_init(void)
149{
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800150 at91_pio3_set_a_periph(AT91_PIO_PORTB, 0, 0); /* GTX0 */
151 at91_pio3_set_a_periph(AT91_PIO_PORTB, 1, 0); /* GTX1 */
152 at91_pio3_set_a_periph(AT91_PIO_PORTB, 2, 0); /* GTX2 */
153 at91_pio3_set_a_periph(AT91_PIO_PORTB, 3, 0); /* GTX3 */
154 at91_pio3_set_a_periph(AT91_PIO_PORTB, 4, 0); /* GRX0 */
155 at91_pio3_set_a_periph(AT91_PIO_PORTB, 5, 0); /* GRX1 */
156 at91_pio3_set_a_periph(AT91_PIO_PORTB, 6, 0); /* GRX2 */
157 at91_pio3_set_a_periph(AT91_PIO_PORTB, 7, 0); /* GRX3 */
158 at91_pio3_set_a_periph(AT91_PIO_PORTB, 8, 0); /* GTXCK */
159 at91_pio3_set_a_periph(AT91_PIO_PORTB, 9, 0); /* GTXEN */
Bo Shen6f6afad2013-06-26 10:11:06 +0800160
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800161 at91_pio3_set_a_periph(AT91_PIO_PORTB, 11, 0); /* GRXCK */
162 at91_pio3_set_a_periph(AT91_PIO_PORTB, 13, 0); /* GRXER */
Bo Shen6f6afad2013-06-26 10:11:06 +0800163
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800164 at91_pio3_set_a_periph(AT91_PIO_PORTB, 16, 0); /* GMDC */
165 at91_pio3_set_a_periph(AT91_PIO_PORTB, 17, 0); /* GMDIO */
166 at91_pio3_set_a_periph(AT91_PIO_PORTB, 18, 0); /* G125CK */
Bo Shen6f6afad2013-06-26 10:11:06 +0800167
168 /* Enable clock */
169 at91_periph_clk_enable(ATMEL_ID_GMAC);
170}
Bo Shen60f3dd32013-05-12 22:40:54 +0000171#endif
172
Bo Shenf9623df2013-09-11 18:24:51 +0800173#ifdef CONFIG_USB_GADGET_ATMEL_USBA
174void at91_udp_hw_init(void)
175{
Bo Shenf9623df2013-09-11 18:24:51 +0800176 /* Enable UPLL clock */
Wenyou Yangb5d886a2016-02-02 11:11:52 +0800177 at91_upll_clk_enable();
Bo Shenf9623df2013-09-11 18:24:51 +0800178 /* Enable UDPHS clock */
179 at91_periph_clk_enable(ATMEL_ID_UDPHS);
180}
181#endif