]> git.ipfire.org Git - thirdparty/u-boot.git/blame - arch/arm/mach-at91/arm926ejs/at91sam9m10g45_devices.c
SPDX: Convert all of our single license tags to Linux Kernel style
[thirdparty/u-boot.git] / arch / arm / mach-at91 / arm926ejs / at91sam9m10g45_devices.c
CommitLineData
83d290c5 1// SPDX-License-Identifier: GPL-2.0+
22ee6473
SG
2/*
3 * (C) Copyright 2007-2008
c9e798d3 4 * Stelian Pop <stelian@popies.net>
22ee6473 5 * Lead Tech Design <www.leadtechdesign.com>
22ee6473
SG
6 */
7
8#include <common.h>
b3ab0fc7 9#include <dm.h>
22ee6473 10#include <asm/arch/at91_common.h>
eced5a7e 11#include <asm/arch/clk.h>
22ee6473 12#include <asm/arch/gpio.h>
58fb6020
TP
13#include <asm/io.h>
14
15/*
16 * if CONFIG_AT91_GPIO_PULLUP ist set, keep pullups on on all
17 * peripheral pins. Good to have if hardware is soldered optionally
18 * or in case of SPI no slave is selected. Avoid lines to float
19 * needlessly. Use a short local PUP define.
20 *
21 * Due to errata "TXD floats when CTS is inactive" pullups are always
22 * on for TXD pins.
23 */
24#ifdef CONFIG_AT91_GPIO_PULLUP
25# define PUP CONFIG_AT91_GPIO_PULLUP
26#else
27# define PUP 0
28#endif
22ee6473
SG
29
30void at91_serial0_hw_init(void)
31{
7f9e8633 32 at91_set_a_periph(AT91_PIO_PORTB, 19, 1); /* TXD0 */
58fb6020 33 at91_set_a_periph(AT91_PIO_PORTB, 18, PUP); /* RXD0 */
eced5a7e 34 at91_periph_clk_enable(ATMEL_ID_USART0);
22ee6473
SG
35}
36
37void at91_serial1_hw_init(void)
38{
7f9e8633 39 at91_set_a_periph(AT91_PIO_PORTB, 4, 1); /* TXD1 */
58fb6020 40 at91_set_a_periph(AT91_PIO_PORTB, 5, PUP); /* RXD1 */
eced5a7e 41 at91_periph_clk_enable(ATMEL_ID_USART1);
22ee6473
SG
42}
43
44void at91_serial2_hw_init(void)
45{
7f9e8633 46 at91_set_a_periph(AT91_PIO_PORTD, 6, 1); /* TXD2 */
58fb6020 47 at91_set_a_periph(AT91_PIO_PORTD, 7, PUP); /* RXD2 */
eced5a7e 48 at91_periph_clk_enable(ATMEL_ID_USART2);
22ee6473
SG
49}
50
58fb6020 51void at91_seriald_hw_init(void)
22ee6473 52{
7f9e8633
JS
53 at91_set_a_periph(AT91_PIO_PORTB, 12, 0); /* DRXD */
54 at91_set_a_periph(AT91_PIO_PORTB, 13, 1); /* DTXD */
eced5a7e 55 at91_periph_clk_enable(ATMEL_ID_SYS);
22ee6473
SG
56}
57
c68c03f5 58#ifdef CONFIG_ATMEL_SPI
22ee6473
SG
59void at91_spi0_hw_init(unsigned long cs_mask)
60{
58fb6020
TP
61 at91_set_a_periph(AT91_PIO_PORTB, 0, PUP); /* SPI0_MISO */
62 at91_set_a_periph(AT91_PIO_PORTB, 1, PUP); /* SPI0_MOSI */
63 at91_set_a_periph(AT91_PIO_PORTB, 2, PUP); /* SPI0_SPCK */
22ee6473 64
eced5a7e 65 at91_periph_clk_enable(ATMEL_ID_SPI0);
22ee6473
SG
66
67 if (cs_mask & (1 << 0)) {
58fb6020 68 at91_set_a_periph(AT91_PIO_PORTB, 3, 1);
22ee6473
SG
69 }
70 if (cs_mask & (1 << 1)) {
58fb6020 71 at91_set_b_periph(AT91_PIO_PORTB, 18, 1);
22ee6473
SG
72 }
73 if (cs_mask & (1 << 2)) {
58fb6020 74 at91_set_b_periph(AT91_PIO_PORTB, 19, 1);
22ee6473
SG
75 }
76 if (cs_mask & (1 << 3)) {
58fb6020 77 at91_set_b_periph(AT91_PIO_PORTD, 27, 1);
22ee6473
SG
78 }
79 if (cs_mask & (1 << 4)) {
58fb6020 80 at91_set_pio_output(AT91_PIO_PORTB, 3, 1);
22ee6473
SG
81 }
82 if (cs_mask & (1 << 5)) {
58fb6020 83 at91_set_pio_output(AT91_PIO_PORTB, 18, 1);
22ee6473
SG
84 }
85 if (cs_mask & (1 << 6)) {
58fb6020 86 at91_set_pio_output(AT91_PIO_PORTB, 19, 1);
22ee6473
SG
87 }
88 if (cs_mask & (1 << 7)) {
58fb6020 89 at91_set_pio_output(AT91_PIO_PORTD, 27, 1);
22ee6473
SG
90 }
91}
92
93void at91_spi1_hw_init(unsigned long cs_mask)
94{
58fb6020
TP
95 at91_set_a_periph(AT91_PIO_PORTB, 14, PUP); /* SPI1_MISO */
96 at91_set_a_periph(AT91_PIO_PORTB, 15, PUP); /* SPI1_MOSI */
97 at91_set_a_periph(AT91_PIO_PORTB, 16, PUP); /* SPI1_SPCK */
22ee6473 98
eced5a7e 99 at91_periph_clk_enable(ATMEL_ID_SPI1);
22ee6473
SG
100
101 if (cs_mask & (1 << 0)) {
58fb6020 102 at91_set_a_periph(AT91_PIO_PORTB, 17, 1);
22ee6473
SG
103 }
104 if (cs_mask & (1 << 1)) {
58fb6020 105 at91_set_b_periph(AT91_PIO_PORTD, 28, 1);
22ee6473
SG
106 }
107 if (cs_mask & (1 << 2)) {
58fb6020 108 at91_set_a_periph(AT91_PIO_PORTD, 18, 1);
22ee6473
SG
109 }
110 if (cs_mask & (1 << 3)) {
58fb6020 111 at91_set_a_periph(AT91_PIO_PORTD, 19, 1);
22ee6473
SG
112 }
113 if (cs_mask & (1 << 4)) {
58fb6020 114 at91_set_pio_output(AT91_PIO_PORTB, 17, 1);
22ee6473
SG
115 }
116 if (cs_mask & (1 << 5)) {
58fb6020 117 at91_set_pio_output(AT91_PIO_PORTD, 28, 1);
22ee6473
SG
118 }
119 if (cs_mask & (1 << 6)) {
58fb6020 120 at91_set_pio_output(AT91_PIO_PORTD, 18, 1);
22ee6473
SG
121 }
122 if (cs_mask & (1 << 7)) {
58fb6020 123 at91_set_pio_output(AT91_PIO_PORTD, 19, 1);
22ee6473
SG
124 }
125
126}
127#endif
128
129#ifdef CONFIG_MACB
130void at91_macb_hw_init(void)
131{
7f9e8633
JS
132 at91_set_a_periph(AT91_PIO_PORTA, 17, 0); /* ETXCK_EREFCK */
133 at91_set_a_periph(AT91_PIO_PORTA, 15, 0); /* ERXDV */
134 at91_set_a_periph(AT91_PIO_PORTA, 12, 0); /* ERX0 */
135 at91_set_a_periph(AT91_PIO_PORTA, 13, 0); /* ERX1 */
136 at91_set_a_periph(AT91_PIO_PORTA, 16, 0); /* ERXER */
137 at91_set_a_periph(AT91_PIO_PORTA, 14, 0); /* ETXEN */
138 at91_set_a_periph(AT91_PIO_PORTA, 10, 0); /* ETX0 */
139 at91_set_a_periph(AT91_PIO_PORTA, 11, 0); /* ETX1 */
140 at91_set_a_periph(AT91_PIO_PORTA, 19, 0); /* EMDIO */
141 at91_set_a_periph(AT91_PIO_PORTA, 18, 0); /* EMDC */
22ee6473 142#ifndef CONFIG_RMII
7f9e8633
JS
143 at91_set_b_periph(AT91_PIO_PORTA, 29, 0); /* ECRS */
144 at91_set_b_periph(AT91_PIO_PORTA, 30, 0); /* ECOL */
145 at91_set_b_periph(AT91_PIO_PORTA, 8, 0); /* ERX2 */
146 at91_set_b_periph(AT91_PIO_PORTA, 9, 0); /* ERX3 */
147 at91_set_b_periph(AT91_PIO_PORTA, 28, 0); /* ERXCK */
148 at91_set_b_periph(AT91_PIO_PORTA, 6, 0); /* ETX2 */
149 at91_set_b_periph(AT91_PIO_PORTA, 7, 0); /* ETX3 */
150 at91_set_b_periph(AT91_PIO_PORTA, 27, 0); /* ETXER */
22ee6473
SG
151#endif
152}
153#endif
cf874c19
WJ
154
155#ifdef CONFIG_GENERIC_ATMEL_MCI
156void at91_mci_hw_init(void)
157{
cf874c19
WJ
158 at91_set_a_periph(AT91_PIO_PORTA, 0, 0); /* MCI0 CLK */
159 at91_set_a_periph(AT91_PIO_PORTA, 1, 0); /* MCI0 CDA */
160 at91_set_a_periph(AT91_PIO_PORTA, 2, 0); /* MCI0 DA0 */
161 at91_set_a_periph(AT91_PIO_PORTA, 3, 0); /* MCI0 DA1 */
162 at91_set_a_periph(AT91_PIO_PORTA, 4, 0); /* MCI0 DA2 */
163 at91_set_a_periph(AT91_PIO_PORTA, 5, 0); /* MCI0 DA3 */
164
eced5a7e 165 at91_periph_clk_enable(ATMEL_ID_MCI0);
cf874c19
WJ
166}
167#endif
b3ab0fc7
SG
168
169/* Platform data for the GPIOs */
170static const struct at91_port_platdata at91sam9260_plat[] = {
171 { ATMEL_BASE_PIOA, "PA" },
172 { ATMEL_BASE_PIOB, "PB" },
173 { ATMEL_BASE_PIOC, "PC" },
174 { ATMEL_BASE_PIOD, "PD" },
175 { ATMEL_BASE_PIOE, "PE" },
176};
177
178U_BOOT_DEVICES(at91sam9260_gpios) = {
179 { "gpio_at91", &at91sam9260_plat[0] },
180 { "gpio_at91", &at91sam9260_plat[1] },
181 { "gpio_at91", &at91sam9260_plat[2] },
182 { "gpio_at91", &at91sam9260_plat[3] },
183 { "gpio_at91", &at91sam9260_plat[4] },
184};