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Tom Rini10e47792018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Bo Shen42aafb32012-07-05 17:21:46 +00002/*
3 * Copyright (C) 2012 Atmel Corporation
Bo Shen42aafb32012-07-05 17:21:46 +00004 */
5
6#include <common.h>
7#include <asm/arch/at91_common.h>
Wenyou Yang57b7f292016-02-03 10:16:49 +08008#include <asm/arch/clk.h>
Bo Shen42aafb32012-07-05 17:21:46 +00009#include <asm/arch/gpio.h>
10#include <asm/io.h>
11
12unsigned int get_chip_id(void)
13{
14 /* The 0x40 is the offset of cidr in DBGU */
15 return readl(ATMEL_BASE_DBGU + 0x40) & ~ARCH_ID_VERSION_MASK;
16}
17
18unsigned int get_extension_chip_id(void)
19{
20 /* The 0x44 is the offset of exid in DBGU */
21 return readl(ATMEL_BASE_DBGU + 0x44);
22}
23
24unsigned int has_emac1()
25{
26 return cpu_is_at91sam9x25();
27}
28
29unsigned int has_emac0()
30{
31 return !(cpu_is_at91sam9g15());
32}
33
34unsigned int has_lcdc()
35{
36 return cpu_is_at91sam9g15() || cpu_is_at91sam9g35()
37 || cpu_is_at91sam9x35();
38}
39
40char *get_cpu_name()
41{
42 unsigned int extension_id = get_extension_chip_id();
43
44 if (cpu_is_at91sam9x5()) {
45 switch (extension_id) {
46 case ARCH_EXID_AT91SAM9G15:
Bo Shenc3575b32013-03-07 21:23:22 +000047 return "AT91SAM9G15";
Bo Shen42aafb32012-07-05 17:21:46 +000048 case ARCH_EXID_AT91SAM9G25:
Bo Shenc3575b32013-03-07 21:23:22 +000049 return "AT91SAM9G25";
Bo Shen42aafb32012-07-05 17:21:46 +000050 case ARCH_EXID_AT91SAM9G35:
Bo Shenc3575b32013-03-07 21:23:22 +000051 return "AT91SAM9G35";
Bo Shen42aafb32012-07-05 17:21:46 +000052 case ARCH_EXID_AT91SAM9X25:
Bo Shenc3575b32013-03-07 21:23:22 +000053 return "AT91SAM9X25";
Bo Shen42aafb32012-07-05 17:21:46 +000054 case ARCH_EXID_AT91SAM9X35:
Bo Shenc3575b32013-03-07 21:23:22 +000055 return "AT91SAM9X35";
Bo Shen42aafb32012-07-05 17:21:46 +000056 default:
Bo Shenc3575b32013-03-07 21:23:22 +000057 return "Unknown CPU type";
Bo Shen42aafb32012-07-05 17:21:46 +000058 }
59 } else {
Bo Shenc3575b32013-03-07 21:23:22 +000060 return "Unknown CPU type";
Bo Shen42aafb32012-07-05 17:21:46 +000061 }
62}
63
64void at91_seriald_hw_init(void)
65{
Wenyou Yang4a92a3e2017-03-23 12:44:36 +080066 at91_pio3_set_a_periph(AT91_PIO_PORTA, 9, 0); /* DRXD */
67 at91_pio3_set_a_periph(AT91_PIO_PORTA, 10, 1); /* DTXD */
Bo Shen42aafb32012-07-05 17:21:46 +000068
Wenyou Yang57b7f292016-02-03 10:16:49 +080069 at91_periph_clk_enable(ATMEL_ID_SYS);
Bo Shen42aafb32012-07-05 17:21:46 +000070}
71
72void at91_serial0_hw_init(void)
73{
Wenyou Yang4a92a3e2017-03-23 12:44:36 +080074 at91_pio3_set_a_periph(AT91_PIO_PORTA, 0, 1); /* TXD */
75 at91_pio3_set_a_periph(AT91_PIO_PORTA, 1, 0); /* RXD */
Bo Shen42aafb32012-07-05 17:21:46 +000076
Wenyou Yang57b7f292016-02-03 10:16:49 +080077 at91_periph_clk_enable(ATMEL_ID_USART0);
Bo Shen42aafb32012-07-05 17:21:46 +000078}
79
80void at91_serial1_hw_init(void)
81{
Wenyou Yang4a92a3e2017-03-23 12:44:36 +080082 at91_pio3_set_a_periph(AT91_PIO_PORTA, 5, 1); /* TXD */
83 at91_pio3_set_a_periph(AT91_PIO_PORTA, 6, 0); /* RXD */
Bo Shen42aafb32012-07-05 17:21:46 +000084
Wenyou Yang57b7f292016-02-03 10:16:49 +080085 at91_periph_clk_enable(ATMEL_ID_USART1);
Bo Shen42aafb32012-07-05 17:21:46 +000086}
87
88void at91_serial2_hw_init(void)
89{
Wenyou Yang4a92a3e2017-03-23 12:44:36 +080090 at91_pio3_set_a_periph(AT91_PIO_PORTA, 7, 1); /* TXD */
91 at91_pio3_set_a_periph(AT91_PIO_PORTA, 8, 0); /* RXD */
Bo Shen42aafb32012-07-05 17:21:46 +000092
Wenyou Yang57b7f292016-02-03 10:16:49 +080093 at91_periph_clk_enable(ATMEL_ID_USART2);
Bo Shen42aafb32012-07-05 17:21:46 +000094}
95
Wu, Joshe32c6612012-09-13 22:22:05 +000096void at91_mci_hw_init(void)
97{
98 /* Initialize the MCI0 */
Wenyou Yang4a92a3e2017-03-23 12:44:36 +080099 at91_pio3_set_a_periph(AT91_PIO_PORTA, 17, 1); /* MCCK */
100 at91_pio3_set_a_periph(AT91_PIO_PORTA, 16, 1); /* MCCDA */
101 at91_pio3_set_a_periph(AT91_PIO_PORTA, 15, 1); /* MCDA0 */
102 at91_pio3_set_a_periph(AT91_PIO_PORTA, 18, 1); /* MCDA1 */
103 at91_pio3_set_a_periph(AT91_PIO_PORTA, 19, 1); /* MCDA2 */
104 at91_pio3_set_a_periph(AT91_PIO_PORTA, 20, 1); /* MCDA3 */
Wu, Joshe32c6612012-09-13 22:22:05 +0000105
Wenyou Yang57b7f292016-02-03 10:16:49 +0800106 at91_periph_clk_enable(ATMEL_ID_HSMCI0);
Wu, Joshe32c6612012-09-13 22:22:05 +0000107}
108
Bo Shen42aafb32012-07-05 17:21:46 +0000109#ifdef CONFIG_ATMEL_SPI
110void at91_spi0_hw_init(unsigned long cs_mask)
111{
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800112 at91_pio3_set_a_periph(AT91_PIO_PORTA, 11, 0); /* SPI0_MISO */
113 at91_pio3_set_a_periph(AT91_PIO_PORTA, 12, 0); /* SPI0_MOSI */
114 at91_pio3_set_a_periph(AT91_PIO_PORTA, 13, 0); /* SPI0_SPCK */
Bo Shen42aafb32012-07-05 17:21:46 +0000115
Wenyou Yang57b7f292016-02-03 10:16:49 +0800116 at91_periph_clk_enable(ATMEL_ID_SPI0);
Bo Shen42aafb32012-07-05 17:21:46 +0000117
118 if (cs_mask & (1 << 0))
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800119 at91_pio3_set_a_periph(AT91_PIO_PORTA, 14, 0);
Bo Shen42aafb32012-07-05 17:21:46 +0000120 if (cs_mask & (1 << 1))
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800121 at91_pio3_set_b_periph(AT91_PIO_PORTA, 7, 0);
Bo Shen42aafb32012-07-05 17:21:46 +0000122 if (cs_mask & (1 << 2))
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800123 at91_pio3_set_b_periph(AT91_PIO_PORTA, 1, 0);
Bo Shen42aafb32012-07-05 17:21:46 +0000124 if (cs_mask & (1 << 3))
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800125 at91_pio3_set_b_periph(AT91_PIO_PORTB, 3, 0);
Bo Shen42aafb32012-07-05 17:21:46 +0000126 if (cs_mask & (1 << 4))
127 at91_set_pio_output(AT91_PIO_PORTA, 14, 0);
128 if (cs_mask & (1 << 5))
129 at91_set_pio_output(AT91_PIO_PORTA, 7, 0);
130 if (cs_mask & (1 << 6))
131 at91_set_pio_output(AT91_PIO_PORTA, 1, 0);
132 if (cs_mask & (1 << 7))
133 at91_set_pio_output(AT91_PIO_PORTB, 3, 0);
134}
135
136void at91_spi1_hw_init(unsigned long cs_mask)
137{
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800138 at91_pio3_set_b_periph(AT91_PIO_PORTA, 21, 0); /* SPI1_MISO */
139 at91_pio3_set_b_periph(AT91_PIO_PORTA, 22, 0); /* SPI1_MOSI */
140 at91_pio3_set_b_periph(AT91_PIO_PORTA, 23, 0); /* SPI1_SPCK */
Bo Shen42aafb32012-07-05 17:21:46 +0000141
Wenyou Yang57b7f292016-02-03 10:16:49 +0800142 at91_periph_clk_enable(ATMEL_ID_SPI1);
Bo Shen42aafb32012-07-05 17:21:46 +0000143
144 if (cs_mask & (1 << 0))
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800145 at91_pio3_set_b_periph(AT91_PIO_PORTA, 8, 0);
Bo Shen42aafb32012-07-05 17:21:46 +0000146 if (cs_mask & (1 << 1))
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800147 at91_pio3_set_b_periph(AT91_PIO_PORTA, 0, 0);
Bo Shen42aafb32012-07-05 17:21:46 +0000148 if (cs_mask & (1 << 2))
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800149 at91_pio3_set_b_periph(AT91_PIO_PORTA, 31, 0);
Bo Shen42aafb32012-07-05 17:21:46 +0000150 if (cs_mask & (1 << 3))
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800151 at91_pio3_set_b_periph(AT91_PIO_PORTA, 30, 0);
Bo Shen42aafb32012-07-05 17:21:46 +0000152 if (cs_mask & (1 << 4))
153 at91_set_pio_output(AT91_PIO_PORTA, 8, 0);
154 if (cs_mask & (1 << 5))
155 at91_set_pio_output(AT91_PIO_PORTA, 0, 0);
156 if (cs_mask & (1 << 6))
157 at91_set_pio_output(AT91_PIO_PORTA, 31, 0);
158 if (cs_mask & (1 << 7))
159 at91_set_pio_output(AT91_PIO_PORTA, 30, 0);
160}
161#endif
162
Tom Riniceed5d22017-05-12 22:33:27 -0400163#if defined(CONFIG_USB_OHCI_NEW) || defined(CONFIG_USB_EHCI_HCD)
Richard Genoudb762a9c2012-11-29 23:18:32 +0000164void at91_uhp_hw_init(void)
165{
166 /* Enable VBus on UHP ports */
167 at91_set_pio_output(AT91_PIO_PORTD, 18, 0); /* port A */
168 at91_set_pio_output(AT91_PIO_PORTD, 19, 0); /* port B */
169#if defined(CONFIG_USB_OHCI_NEW)
170 /* port C is OHCI only */
171 at91_set_pio_output(AT91_PIO_PORTD, 20, 0); /* port C */
172#endif
173}
174#endif
175
Bo Shen42aafb32012-07-05 17:21:46 +0000176#ifdef CONFIG_MACB
177void at91_macb_hw_init(void)
178{
Bo Shen42aafb32012-07-05 17:21:46 +0000179 if (has_emac0()) {
180 /* Enable EMAC0 clock */
Wenyou Yang57b7f292016-02-03 10:16:49 +0800181 at91_periph_clk_enable(ATMEL_ID_EMAC0);
Bo Shen42aafb32012-07-05 17:21:46 +0000182 /* EMAC0 pins setup */
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800183 at91_pio3_set_a_periph(AT91_PIO_PORTB, 4, 0); /* ETXCK */
184 at91_pio3_set_a_periph(AT91_PIO_PORTB, 3, 0); /* ERXDV */
185 at91_pio3_set_a_periph(AT91_PIO_PORTB, 0, 0); /* ERX0 */
186 at91_pio3_set_a_periph(AT91_PIO_PORTB, 1, 0); /* ERX1 */
187 at91_pio3_set_a_periph(AT91_PIO_PORTB, 2, 0); /* ERXER */
188 at91_pio3_set_a_periph(AT91_PIO_PORTB, 7, 0); /* ETXEN */
189 at91_pio3_set_a_periph(AT91_PIO_PORTB, 9, 0); /* ETX0 */
190 at91_pio3_set_a_periph(AT91_PIO_PORTB, 10, 0); /* ETX1 */
191 at91_pio3_set_a_periph(AT91_PIO_PORTB, 5, 0); /* EMDIO */
192 at91_pio3_set_a_periph(AT91_PIO_PORTB, 6, 0); /* EMDC */
Bo Shen42aafb32012-07-05 17:21:46 +0000193 }
194
195 if (has_emac1()) {
196 /* Enable EMAC1 clock */
Wenyou Yang57b7f292016-02-03 10:16:49 +0800197 at91_periph_clk_enable(ATMEL_ID_EMAC1);
Bo Shen42aafb32012-07-05 17:21:46 +0000198 /* EMAC1 pins setup */
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800199 at91_pio3_set_b_periph(AT91_PIO_PORTC, 29, 0); /* ETXCK */
200 at91_pio3_set_b_periph(AT91_PIO_PORTC, 28, 0); /* ECRSDV */
201 at91_pio3_set_b_periph(AT91_PIO_PORTC, 20, 0); /* ERXO */
202 at91_pio3_set_b_periph(AT91_PIO_PORTC, 21, 0); /* ERX1 */
203 at91_pio3_set_b_periph(AT91_PIO_PORTC, 16, 0); /* ERXER */
204 at91_pio3_set_b_periph(AT91_PIO_PORTC, 27, 0); /* ETXEN */
205 at91_pio3_set_b_periph(AT91_PIO_PORTC, 18, 0); /* ETX0 */
206 at91_pio3_set_b_periph(AT91_PIO_PORTC, 19, 0); /* ETX1 */
207 at91_pio3_set_b_periph(AT91_PIO_PORTC, 31, 0); /* EMDIO */
208 at91_pio3_set_b_periph(AT91_PIO_PORTC, 30, 0); /* EMDC */
Bo Shen42aafb32012-07-05 17:21:46 +0000209 }
210
211#ifndef CONFIG_RMII
212 /* Only emac0 support MII */
213 if (has_emac0()) {
Wenyou Yang4a92a3e2017-03-23 12:44:36 +0800214 at91_pio3_set_a_periph(AT91_PIO_PORTB, 16, 0); /* ECRS */
215 at91_pio3_set_a_periph(AT91_PIO_PORTB, 17, 0); /* ECOL */
216 at91_pio3_set_a_periph(AT91_PIO_PORTB, 13, 0); /* ERX2 */
217 at91_pio3_set_a_periph(AT91_PIO_PORTB, 14, 0); /* ERX3 */
218 at91_pio3_set_a_periph(AT91_PIO_PORTB, 15, 0); /* ERXCK */
219 at91_pio3_set_a_periph(AT91_PIO_PORTB, 11, 0); /* ETX2 */
220 at91_pio3_set_a_periph(AT91_PIO_PORTB, 12, 0); /* ETX3 */
221 at91_pio3_set_a_periph(AT91_PIO_PORTB, 8, 0); /* ETXER */
Bo Shen42aafb32012-07-05 17:21:46 +0000222 }
223#endif
224}
225#endif