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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
Bo Shen60f3dd32013-05-12 22:40:54 +00007#include <asm/arch/sama5d3.h>
8#include <asm/arch/at91_common.h>
Bo Shen60f3dd32013-05-12 22:40:54 +00009#include <asm/arch/clk.h>
10#include <asm/arch/gpio.h>
11#include <asm/io.h>
12
13unsigned int has_emac()
14{
Wu, Joshd0f0c7d2013-11-05 15:07:46 +080015 return cpu_is_sama5d31() || cpu_is_sama5d35() || cpu_is_sama5d36();
Bo Shen60f3dd32013-05-12 22:40:54 +000016}
17
18unsigned int has_gmac()
19{
20 return !cpu_is_sama5d31();
21}
22
23unsigned int has_lcdc()
24{
25 return !cpu_is_sama5d35();
26}
27
28char *get_cpu_name()
29{
30 unsigned int extension_id = get_extension_chip_id();
31
32 if (cpu_is_sama5d3())
33 switch (extension_id) {
34 case ARCH_EXID_SAMA5D31:
35 return "SAMA5D31";
36 case ARCH_EXID_SAMA5D33:
37 return "SAMA5D33";
38 case ARCH_EXID_SAMA5D34:
39 return "SAMA5D34";
40 case ARCH_EXID_SAMA5D35:
41 return "SAMA5D35";
Wu, Joshd0f0c7d2013-11-05 15:07:46 +080042 case ARCH_EXID_SAMA5D36:
43 return "SAMA5D36";
Bo Shen60f3dd32013-05-12 22:40:54 +000044 default:
45 return "Unknown CPU type";
46 }
47 else
48 return "Unknown CPU type";
49}
50
51void at91_serial0_hw_init(void)
52{
Wenyou Yang4a92a3e2017-03-23 12:44:36 +080053 at91_pio3_set_a_periph(AT91_PIO_PORTD, 18, 1); /* TXD0 */
54 at91_pio3_set_a_periph(AT91_PIO_PORTD, 17, 0); /* RXD0 */
Bo Shen60f3dd32013-05-12 22:40:54 +000055
56 /* Enable clock */
57 at91_periph_clk_enable(ATMEL_ID_USART0);
58}
59
60void at91_serial1_hw_init(void)
61{
Wenyou Yang4a92a3e2017-03-23 12:44:36 +080062 at91_pio3_set_a_periph(AT91_PIO_PORTB, 29, 1); /* TXD1 */
63 at91_pio3_set_a_periph(AT91_PIO_PORTB, 28, 0); /* RXD1 */
Bo Shen60f3dd32013-05-12 22:40:54 +000064
65 /* Enable clock */
66 at91_periph_clk_enable(ATMEL_ID_USART1);
67}
68
69void at91_serial2_hw_init(void)
70{
Wenyou Yang4a92a3e2017-03-23 12:44:36 +080071 at91_pio3_set_b_periph(AT91_PIO_PORTE, 26, 1); /* TXD2 */
72 at91_pio3_set_b_periph(AT91_PIO_PORTE, 25, 0); /* RXD2 */
Bo Shen60f3dd32013-05-12 22:40:54 +000073
74 /* Enable clock */
75 at91_periph_clk_enable(ATMEL_ID_USART2);
76}
77
78void at91_seriald_hw_init(void)
79{
Wenyou Yang4a92a3e2017-03-23 12:44:36 +080080 at91_pio3_set_a_periph(AT91_PIO_PORTB, 31, 1); /* DTXD */
81 at91_pio3_set_a_periph(AT91_PIO_PORTB, 30, 0); /* DRXD */
Bo Shen60f3dd32013-05-12 22:40:54 +000082
83 /* Enable clock */
Bo Shenf2afc3b2013-11-15 11:12:32 +080084 at91_periph_clk_enable(ATMEL_ID_DBGU);
Bo Shen60f3dd32013-05-12 22:40:54 +000085}
86
87#if defined(CONFIG_ATMEL_SPI)
88void at91_spi0_hw_init(unsigned long cs_mask)
89{
Wenyou Yang4a92a3e2017-03-23 12:44:36 +080090 at91_pio3_set_a_periph(AT91_PIO_PORTD, 10, 0); /* SPI0_MISO */
91 at91_pio3_set_a_periph(AT91_PIO_PORTD, 11, 0); /* SPI0_MOSI */
92 at91_pio3_set_a_periph(AT91_PIO_PORTD, 12, 0); /* SPI0_SPCK */
Bo Shen60f3dd32013-05-12 22:40:54 +000093
94 if (cs_mask & (1 << 0))
95 at91_set_pio_output(AT91_PIO_PORTD, 13, 1);
96 if (cs_mask & (1 << 1))
97 at91_set_pio_output(AT91_PIO_PORTD, 14, 1);
98 if (cs_mask & (1 << 2))
99 at91_set_pio_output(AT91_PIO_PORTD, 15, 1);
100 if (cs_mask & (1 << 3))
101 at91_set_pio_output(AT91_PIO_PORTD, 16, 1);
102
103 /* Enable clock */
104 at91_periph_clk_enable(ATMEL_ID_SPI0);
105}
106#endif
107
108#ifdef CONFIG_GENERIC_ATMEL_MCI
109void at91_mci_hw_init(void)
110{
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800111 at91_pio3_set_a_periph(AT91_PIO_PORTD, 0, 0); /* MCI0 CMD */
112 at91_pio3_set_a_periph(AT91_PIO_PORTD, 1, 0); /* MCI0 DA0 */
113 at91_pio3_set_a_periph(AT91_PIO_PORTD, 2, 0); /* MCI0 DA1 */
114 at91_pio3_set_a_periph(AT91_PIO_PORTD, 3, 0); /* MCI0 DA2 */
115 at91_pio3_set_a_periph(AT91_PIO_PORTD, 4, 0); /* MCI0 DA3 */
Bo Shen60f3dd32013-05-12 22:40:54 +0000116#ifdef CONFIG_ATMEL_MCI_8BIT
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800117 at91_pio3_set_a_periph(AT91_PIO_PORTD, 5, 0); /* MCI0 DA4 */
118 at91_pio3_set_a_periph(AT91_PIO_PORTD, 6, 0); /* MCI0 DA5 */
119 at91_pio3_set_a_periph(AT91_PIO_PORTD, 7, 0); /* MCI0 DA6 */
120 at91_pio3_set_a_periph(AT91_PIO_PORTD, 8, 0); /* MCI0 DA7 */
Bo Shen60f3dd32013-05-12 22:40:54 +0000121#endif
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800122 at91_pio3_set_a_periph(AT91_PIO_PORTD, 9, 0); /* MCI0 CLK */
Bo Shen60f3dd32013-05-12 22:40:54 +0000123
124 /* Enable clock */
125 at91_periph_clk_enable(ATMEL_ID_MCI0);
126}
127#endif
128
129#ifdef CONFIG_MACB
130void at91_macb_hw_init(void)
131{
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800132 at91_pio3_set_a_periph(AT91_PIO_PORTC, 7, 0); /* ETXCK_EREFCK */
133 at91_pio3_set_a_periph(AT91_PIO_PORTC, 5, 0); /* ERXDV */
134 at91_pio3_set_a_periph(AT91_PIO_PORTC, 2, 0); /* ERX0 */
135 at91_pio3_set_a_periph(AT91_PIO_PORTC, 3, 0); /* ERX1 */
136 at91_pio3_set_a_periph(AT91_PIO_PORTC, 6, 0); /* ERXER */
137 at91_pio3_set_a_periph(AT91_PIO_PORTC, 4, 0); /* ETXEN */
138 at91_pio3_set_a_periph(AT91_PIO_PORTC, 0, 0); /* ETX0 */
139 at91_pio3_set_a_periph(AT91_PIO_PORTC, 1, 0); /* ETX1 */
140 at91_pio3_set_a_periph(AT91_PIO_PORTC, 9, 0); /* EMDIO */
141 at91_pio3_set_a_periph(AT91_PIO_PORTC, 8, 0); /* EMDC */
Bo Shen60f3dd32013-05-12 22:40:54 +0000142
143 /* Enable clock */
144 at91_periph_clk_enable(ATMEL_ID_EMAC);
145}
Bo Shen6f6afad2013-06-26 10:11:06 +0800146
147void at91_gmac_hw_init(void)
148{
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800149 at91_pio3_set_a_periph(AT91_PIO_PORTB, 0, 0); /* GTX0 */
150 at91_pio3_set_a_periph(AT91_PIO_PORTB, 1, 0); /* GTX1 */
151 at91_pio3_set_a_periph(AT91_PIO_PORTB, 2, 0); /* GTX2 */
152 at91_pio3_set_a_periph(AT91_PIO_PORTB, 3, 0); /* GTX3 */
153 at91_pio3_set_a_periph(AT91_PIO_PORTB, 4, 0); /* GRX0 */
154 at91_pio3_set_a_periph(AT91_PIO_PORTB, 5, 0); /* GRX1 */
155 at91_pio3_set_a_periph(AT91_PIO_PORTB, 6, 0); /* GRX2 */
156 at91_pio3_set_a_periph(AT91_PIO_PORTB, 7, 0); /* GRX3 */
157 at91_pio3_set_a_periph(AT91_PIO_PORTB, 8, 0); /* GTXCK */
158 at91_pio3_set_a_periph(AT91_PIO_PORTB, 9, 0); /* GTXEN */
Bo Shen6f6afad2013-06-26 10:11:06 +0800159
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800160 at91_pio3_set_a_periph(AT91_PIO_PORTB, 11, 0); /* GRXCK */
161 at91_pio3_set_a_periph(AT91_PIO_PORTB, 13, 0); /* GRXER */
Bo Shen6f6afad2013-06-26 10:11:06 +0800162
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800163 at91_pio3_set_a_periph(AT91_PIO_PORTB, 16, 0); /* GMDC */
164 at91_pio3_set_a_periph(AT91_PIO_PORTB, 17, 0); /* GMDIO */
165 at91_pio3_set_a_periph(AT91_PIO_PORTB, 18, 0); /* G125CK */
Bo Shen6f6afad2013-06-26 10:11:06 +0800166
167 /* Enable clock */
168 at91_periph_clk_enable(ATMEL_ID_GMAC);
169}
Bo Shen60f3dd32013-05-12 22:40:54 +0000170#endif
171
Bo Shenf9623df2013-09-11 18:24:51 +0800172#ifdef CONFIG_USB_GADGET_ATMEL_USBA
173void at91_udp_hw_init(void)
174{
Bo Shenf9623df2013-09-11 18:24:51 +0800175 /* Enable UPLL clock */
Wenyou Yangb5d886a2016-02-02 11:11:52 +0800176 at91_upll_clk_enable();
Bo Shenf9623df2013-09-11 18:24:51 +0800177 /* Enable UDPHS clock */
178 at91_periph_clk_enable(ATMEL_ID_UDPHS);
179}
180#endif