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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>
Bo Shen60f3dd32013-05-12 22:40:54 +000011#include <asm/arch/clk.h>
12#include <asm/arch/gpio.h>
13#include <asm/io.h>
14
15unsigned int has_emac()
16{
Wu, Joshd0f0c7d2013-11-05 15:07:46 +080017 return cpu_is_sama5d31() || cpu_is_sama5d35() || cpu_is_sama5d36();
Bo Shen60f3dd32013-05-12 22:40:54 +000018}
19
20unsigned int has_gmac()
21{
22 return !cpu_is_sama5d31();
23}
24
25unsigned int has_lcdc()
26{
27 return !cpu_is_sama5d35();
28}
29
30char *get_cpu_name()
31{
32 unsigned int extension_id = get_extension_chip_id();
33
34 if (cpu_is_sama5d3())
35 switch (extension_id) {
36 case ARCH_EXID_SAMA5D31:
37 return "SAMA5D31";
38 case ARCH_EXID_SAMA5D33:
39 return "SAMA5D33";
40 case ARCH_EXID_SAMA5D34:
41 return "SAMA5D34";
42 case ARCH_EXID_SAMA5D35:
43 return "SAMA5D35";
Wu, Joshd0f0c7d2013-11-05 15:07:46 +080044 case ARCH_EXID_SAMA5D36:
45 return "SAMA5D36";
Bo Shen60f3dd32013-05-12 22:40:54 +000046 default:
47 return "Unknown CPU type";
48 }
49 else
50 return "Unknown CPU type";
51}
52
53void at91_serial0_hw_init(void)
54{
55 at91_set_a_periph(AT91_PIO_PORTD, 18, 1); /* TXD0 */
56 at91_set_a_periph(AT91_PIO_PORTD, 17, 0); /* RXD0 */
57
58 /* Enable clock */
59 at91_periph_clk_enable(ATMEL_ID_USART0);
60}
61
62void at91_serial1_hw_init(void)
63{
64 at91_set_a_periph(AT91_PIO_PORTB, 29, 1); /* TXD1 */
65 at91_set_a_periph(AT91_PIO_PORTB, 28, 0); /* RXD1 */
66
67 /* Enable clock */
68 at91_periph_clk_enable(ATMEL_ID_USART1);
69}
70
71void at91_serial2_hw_init(void)
72{
73 at91_set_b_periph(AT91_PIO_PORTE, 26, 1); /* TXD2 */
74 at91_set_b_periph(AT91_PIO_PORTE, 25, 0); /* RXD2 */
75
76 /* Enable clock */
77 at91_periph_clk_enable(ATMEL_ID_USART2);
78}
79
80void at91_seriald_hw_init(void)
81{
82 at91_set_a_periph(AT91_PIO_PORTB, 31, 1); /* DTXD */
83 at91_set_a_periph(AT91_PIO_PORTB, 30, 0); /* DRXD */
84
85 /* Enable clock */
Bo Shenf2afc3b2013-11-15 11:12:32 +080086 at91_periph_clk_enable(ATMEL_ID_DBGU);
Bo Shen60f3dd32013-05-12 22:40:54 +000087}
88
89#if defined(CONFIG_ATMEL_SPI)
90void at91_spi0_hw_init(unsigned long cs_mask)
91{
92 at91_set_a_periph(AT91_PIO_PORTD, 10, 0); /* SPI0_MISO */
93 at91_set_a_periph(AT91_PIO_PORTD, 11, 0); /* SPI0_MOSI */
94 at91_set_a_periph(AT91_PIO_PORTD, 12, 0); /* SPI0_SPCK */
95
96 if (cs_mask & (1 << 0))
97 at91_set_pio_output(AT91_PIO_PORTD, 13, 1);
98 if (cs_mask & (1 << 1))
99 at91_set_pio_output(AT91_PIO_PORTD, 14, 1);
100 if (cs_mask & (1 << 2))
101 at91_set_pio_output(AT91_PIO_PORTD, 15, 1);
102 if (cs_mask & (1 << 3))
103 at91_set_pio_output(AT91_PIO_PORTD, 16, 1);
104
105 /* Enable clock */
106 at91_periph_clk_enable(ATMEL_ID_SPI0);
107}
108#endif
109
110#ifdef CONFIG_GENERIC_ATMEL_MCI
111void at91_mci_hw_init(void)
112{
113 at91_set_a_periph(AT91_PIO_PORTD, 0, 0); /* MCI0 CMD */
114 at91_set_a_periph(AT91_PIO_PORTD, 1, 0); /* MCI0 DA0 */
115 at91_set_a_periph(AT91_PIO_PORTD, 2, 0); /* MCI0 DA1 */
116 at91_set_a_periph(AT91_PIO_PORTD, 3, 0); /* MCI0 DA2 */
117 at91_set_a_periph(AT91_PIO_PORTD, 4, 0); /* MCI0 DA3 */
118#ifdef CONFIG_ATMEL_MCI_8BIT
119 at91_set_a_periph(AT91_PIO_PORTD, 5, 0); /* MCI0 DA4 */
120 at91_set_a_periph(AT91_PIO_PORTD, 6, 0); /* MCI0 DA5 */
121 at91_set_a_periph(AT91_PIO_PORTD, 7, 0); /* MCI0 DA6 */
122 at91_set_a_periph(AT91_PIO_PORTD, 8, 0); /* MCI0 DA7 */
123#endif
124 at91_set_a_periph(AT91_PIO_PORTD, 9, 0); /* MCI0 CLK */
125
126 /* Enable clock */
127 at91_periph_clk_enable(ATMEL_ID_MCI0);
128}
129#endif
130
131#ifdef CONFIG_MACB
132void at91_macb_hw_init(void)
133{
134 at91_set_a_periph(AT91_PIO_PORTC, 7, 0); /* ETXCK_EREFCK */
135 at91_set_a_periph(AT91_PIO_PORTC, 5, 0); /* ERXDV */
136 at91_set_a_periph(AT91_PIO_PORTC, 2, 0); /* ERX0 */
137 at91_set_a_periph(AT91_PIO_PORTC, 3, 0); /* ERX1 */
138 at91_set_a_periph(AT91_PIO_PORTC, 6, 0); /* ERXER */
139 at91_set_a_periph(AT91_PIO_PORTC, 4, 0); /* ETXEN */
140 at91_set_a_periph(AT91_PIO_PORTC, 0, 0); /* ETX0 */
141 at91_set_a_periph(AT91_PIO_PORTC, 1, 0); /* ETX1 */
142 at91_set_a_periph(AT91_PIO_PORTC, 9, 0); /* EMDIO */
143 at91_set_a_periph(AT91_PIO_PORTC, 8, 0); /* EMDC */
144
145 /* Enable clock */
146 at91_periph_clk_enable(ATMEL_ID_EMAC);
147}
Bo Shen6f6afad2013-06-26 10:11:06 +0800148
149void at91_gmac_hw_init(void)
150{
151 at91_set_a_periph(AT91_PIO_PORTB, 0, 0); /* GTX0 */
152 at91_set_a_periph(AT91_PIO_PORTB, 1, 0); /* GTX1 */
153 at91_set_a_periph(AT91_PIO_PORTB, 2, 0); /* GTX2 */
154 at91_set_a_periph(AT91_PIO_PORTB, 3, 0); /* GTX3 */
155 at91_set_a_periph(AT91_PIO_PORTB, 4, 0); /* GRX0 */
156 at91_set_a_periph(AT91_PIO_PORTB, 5, 0); /* GRX1 */
157 at91_set_a_periph(AT91_PIO_PORTB, 6, 0); /* GRX2 */
158 at91_set_a_periph(AT91_PIO_PORTB, 7, 0); /* GRX3 */
159 at91_set_a_periph(AT91_PIO_PORTB, 8, 0); /* GTXCK */
160 at91_set_a_periph(AT91_PIO_PORTB, 9, 0); /* GTXEN */
161
162 at91_set_a_periph(AT91_PIO_PORTB, 11, 0); /* GRXCK */
163 at91_set_a_periph(AT91_PIO_PORTB, 13, 0); /* GRXER */
164
165 at91_set_a_periph(AT91_PIO_PORTB, 16, 0); /* GMDC */
166 at91_set_a_periph(AT91_PIO_PORTB, 17, 0); /* GMDIO */
167 at91_set_a_periph(AT91_PIO_PORTB, 18, 0); /* G125CK */
168
169 /* Enable clock */
170 at91_periph_clk_enable(ATMEL_ID_GMAC);
171}
Bo Shen60f3dd32013-05-12 22:40:54 +0000172#endif
173
174#ifdef CONFIG_LCD
175void at91_lcd_hw_init(void)
176{
177 at91_set_a_periph(AT91_PIO_PORTA, 24, 0); /* LCDPWM */
178 at91_set_a_periph(AT91_PIO_PORTA, 25, 0); /* LCDDISP */
179 at91_set_a_periph(AT91_PIO_PORTA, 26, 0); /* LCDVSYNC */
180 at91_set_a_periph(AT91_PIO_PORTA, 27, 0); /* LCDHSYNC */
181 at91_set_a_periph(AT91_PIO_PORTA, 28, 0); /* LCDDOTCK */
182 at91_set_a_periph(AT91_PIO_PORTA, 29, 0); /* LCDDEN */
183
184 /* The lower 16-bit of LCD only available on Port A */
185 at91_set_a_periph(AT91_PIO_PORTA, 0, 0); /* LCDD0 */
186 at91_set_a_periph(AT91_PIO_PORTA, 1, 0); /* LCDD1 */
187 at91_set_a_periph(AT91_PIO_PORTA, 2, 0); /* LCDD2 */
188 at91_set_a_periph(AT91_PIO_PORTA, 3, 0); /* LCDD3 */
189 at91_set_a_periph(AT91_PIO_PORTA, 4, 0); /* LCDD4 */
190 at91_set_a_periph(AT91_PIO_PORTA, 5, 0); /* LCDD5 */
191 at91_set_a_periph(AT91_PIO_PORTA, 6, 0); /* LCDD6 */
192 at91_set_a_periph(AT91_PIO_PORTA, 7, 0); /* LCDD7 */
193 at91_set_a_periph(AT91_PIO_PORTA, 8, 0); /* LCDD8 */
194 at91_set_a_periph(AT91_PIO_PORTA, 9, 0); /* LCDD9 */
195 at91_set_a_periph(AT91_PIO_PORTA, 10, 0); /* LCDD10 */
196 at91_set_a_periph(AT91_PIO_PORTA, 11, 0); /* LCDD11 */
197 at91_set_a_periph(AT91_PIO_PORTA, 12, 0); /* LCDD12 */
198 at91_set_a_periph(AT91_PIO_PORTA, 13, 0); /* LCDD13 */
199 at91_set_a_periph(AT91_PIO_PORTA, 14, 0); /* LCDD14 */
200 at91_set_a_periph(AT91_PIO_PORTA, 15, 0); /* LCDD15 */
201
202 /* Enable clock */
203 at91_periph_clk_enable(ATMEL_ID_LCDC);
204}
205#endif
Bo Shenf9623df2013-09-11 18:24:51 +0800206
207#ifdef CONFIG_USB_GADGET_ATMEL_USBA
208void at91_udp_hw_init(void)
209{
Bo Shenf9623df2013-09-11 18:24:51 +0800210 /* Enable UPLL clock */
Wenyou Yangb5d886a2016-02-02 11:11:52 +0800211 at91_upll_clk_enable();
Bo Shenf9623df2013-09-11 18:24:51 +0800212 /* Enable UDPHS clock */
213 at91_periph_clk_enable(ATMEL_ID_UDPHS);
214}
215#endif