Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 2 | /* |
| 3 | * (C) Copyright 2007-2008 |
Stelian Pop | 5ee0c7f | 2011-11-01 00:00:39 +0100 | [diff] [blame] | 4 | * Stelian Pop <stelian@popies.net> |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 5 | * Lead Tech Design <www.leadtechdesign.com> |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 6 | */ |
| 7 | |
Simon Glass | 46ecd23 | 2016-05-05 07:28:17 -0600 | [diff] [blame] | 8 | #include <dm.h> |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 9 | #include <asm/arch/at91_common.h> |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame] | 10 | #include <asm/arch/clk.h> |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 11 | #include <asm/arch/gpio.h> |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 12 | #include <asm/io.h> |
| 13 | |
| 14 | /* |
| 15 | * if CONFIG_AT91_GPIO_PULLUP ist set, keep pullups on on all |
| 16 | * peripheral pins. Good to have if hardware is soldered optionally |
| 17 | * or in case of SPI no slave is selected. Avoid lines to float |
| 18 | * needlessly. Use a short local PUP define. |
| 19 | * |
| 20 | * Due to errata "TXD floats when CTS is inactive" pullups are always |
| 21 | * on for TXD pins. |
| 22 | */ |
| 23 | #ifdef CONFIG_AT91_GPIO_PULLUP |
| 24 | # define PUP CONFIG_AT91_GPIO_PULLUP |
| 25 | #else |
| 26 | # define PUP 0 |
| 27 | #endif |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 28 | |
| 29 | void at91_serial0_hw_init(void) |
| 30 | { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 31 | at91_set_a_periph(AT91_PIO_PORTB, 19, 1); /* TXD0 */ |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 32 | at91_set_a_periph(AT91_PIO_PORTB, 18, PUP); /* RXD0 */ |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame] | 33 | at91_periph_clk_enable(ATMEL_ID_USART0); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 34 | } |
| 35 | |
| 36 | void at91_serial1_hw_init(void) |
| 37 | { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 38 | at91_set_a_periph(AT91_PIO_PORTB, 4, 1); /* TXD1 */ |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 39 | at91_set_a_periph(AT91_PIO_PORTB, 5, PUP); /* RXD1 */ |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame] | 40 | at91_periph_clk_enable(ATMEL_ID_USART1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 41 | } |
| 42 | |
| 43 | void at91_serial2_hw_init(void) |
| 44 | { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 45 | at91_set_a_periph(AT91_PIO_PORTD, 6, 1); /* TXD2 */ |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 46 | at91_set_a_periph(AT91_PIO_PORTD, 7, PUP); /* RXD2 */ |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame] | 47 | at91_periph_clk_enable(ATMEL_ID_USART2); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 48 | } |
| 49 | |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 50 | void at91_seriald_hw_init(void) |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 51 | { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 52 | at91_set_a_periph(AT91_PIO_PORTB, 12, 0); /* DRXD */ |
| 53 | at91_set_a_periph(AT91_PIO_PORTB, 13, 1); /* DTXD */ |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame] | 54 | at91_periph_clk_enable(ATMEL_ID_SYS); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 55 | } |
| 56 | |
Tuomas Tynkkynen | 1b72520 | 2017-10-10 21:59:42 +0300 | [diff] [blame] | 57 | #ifdef CONFIG_ATMEL_SPI |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 58 | void at91_spi0_hw_init(unsigned long cs_mask) |
| 59 | { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 60 | at91_set_a_periph(AT91_PIO_PORTB, 0, PUP); /* SPI0_MISO */ |
| 61 | at91_set_a_periph(AT91_PIO_PORTB, 1, PUP); /* SPI0_MOSI */ |
| 62 | at91_set_a_periph(AT91_PIO_PORTB, 2, PUP); /* SPI0_SPCK */ |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 63 | |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame] | 64 | at91_periph_clk_enable(ATMEL_ID_SPI0); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 65 | |
| 66 | if (cs_mask & (1 << 0)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 67 | at91_set_a_periph(AT91_PIO_PORTB, 3, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 68 | } |
| 69 | if (cs_mask & (1 << 1)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 70 | at91_set_b_periph(AT91_PIO_PORTB, 18, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 71 | } |
| 72 | if (cs_mask & (1 << 2)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 73 | at91_set_b_periph(AT91_PIO_PORTB, 19, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 74 | } |
| 75 | if (cs_mask & (1 << 3)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 76 | at91_set_b_periph(AT91_PIO_PORTD, 27, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 77 | } |
| 78 | if (cs_mask & (1 << 4)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 79 | at91_set_pio_output(AT91_PIO_PORTB, 3, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 80 | } |
| 81 | if (cs_mask & (1 << 5)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 82 | at91_set_pio_output(AT91_PIO_PORTB, 18, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 83 | } |
| 84 | if (cs_mask & (1 << 6)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 85 | at91_set_pio_output(AT91_PIO_PORTB, 19, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 86 | } |
| 87 | if (cs_mask & (1 << 7)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 88 | at91_set_pio_output(AT91_PIO_PORTD, 27, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 89 | } |
| 90 | } |
| 91 | |
| 92 | void at91_spi1_hw_init(unsigned long cs_mask) |
| 93 | { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 94 | at91_set_a_periph(AT91_PIO_PORTB, 14, PUP); /* SPI1_MISO */ |
| 95 | at91_set_a_periph(AT91_PIO_PORTB, 15, PUP); /* SPI1_MOSI */ |
| 96 | at91_set_a_periph(AT91_PIO_PORTB, 16, PUP); /* SPI1_SPCK */ |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 97 | |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame] | 98 | at91_periph_clk_enable(ATMEL_ID_SPI1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 99 | |
| 100 | if (cs_mask & (1 << 0)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 101 | at91_set_a_periph(AT91_PIO_PORTB, 17, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 102 | } |
| 103 | if (cs_mask & (1 << 1)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 104 | at91_set_b_periph(AT91_PIO_PORTD, 28, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 105 | } |
| 106 | if (cs_mask & (1 << 2)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 107 | at91_set_a_periph(AT91_PIO_PORTD, 18, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 108 | } |
| 109 | if (cs_mask & (1 << 3)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 110 | at91_set_a_periph(AT91_PIO_PORTD, 19, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 111 | } |
| 112 | if (cs_mask & (1 << 4)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 113 | at91_set_pio_output(AT91_PIO_PORTB, 17, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 114 | } |
| 115 | if (cs_mask & (1 << 5)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 116 | at91_set_pio_output(AT91_PIO_PORTD, 28, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 117 | } |
| 118 | if (cs_mask & (1 << 6)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 119 | at91_set_pio_output(AT91_PIO_PORTD, 18, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 120 | } |
| 121 | if (cs_mask & (1 << 7)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 122 | at91_set_pio_output(AT91_PIO_PORTD, 19, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 123 | } |
| 124 | |
| 125 | } |
| 126 | #endif |
| 127 | |
| 128 | #ifdef CONFIG_MACB |
| 129 | void at91_macb_hw_init(void) |
| 130 | { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 131 | at91_set_a_periph(AT91_PIO_PORTA, 17, 0); /* ETXCK_EREFCK */ |
| 132 | at91_set_a_periph(AT91_PIO_PORTA, 15, 0); /* ERXDV */ |
| 133 | at91_set_a_periph(AT91_PIO_PORTA, 12, 0); /* ERX0 */ |
| 134 | at91_set_a_periph(AT91_PIO_PORTA, 13, 0); /* ERX1 */ |
| 135 | at91_set_a_periph(AT91_PIO_PORTA, 16, 0); /* ERXER */ |
| 136 | at91_set_a_periph(AT91_PIO_PORTA, 14, 0); /* ETXEN */ |
| 137 | at91_set_a_periph(AT91_PIO_PORTA, 10, 0); /* ETX0 */ |
| 138 | at91_set_a_periph(AT91_PIO_PORTA, 11, 0); /* ETX1 */ |
| 139 | at91_set_a_periph(AT91_PIO_PORTA, 19, 0); /* EMDIO */ |
| 140 | at91_set_a_periph(AT91_PIO_PORTA, 18, 0); /* EMDC */ |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 141 | #ifndef CONFIG_RMII |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 142 | at91_set_b_periph(AT91_PIO_PORTA, 29, 0); /* ECRS */ |
| 143 | at91_set_b_periph(AT91_PIO_PORTA, 30, 0); /* ECOL */ |
| 144 | at91_set_b_periph(AT91_PIO_PORTA, 8, 0); /* ERX2 */ |
| 145 | at91_set_b_periph(AT91_PIO_PORTA, 9, 0); /* ERX3 */ |
| 146 | at91_set_b_periph(AT91_PIO_PORTA, 28, 0); /* ERXCK */ |
| 147 | at91_set_b_periph(AT91_PIO_PORTA, 6, 0); /* ETX2 */ |
| 148 | at91_set_b_periph(AT91_PIO_PORTA, 7, 0); /* ETX3 */ |
| 149 | at91_set_b_periph(AT91_PIO_PORTA, 27, 0); /* ETXER */ |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 150 | #endif |
| 151 | } |
| 152 | #endif |
Wu, Josh | dff665a | 2014-05-21 10:42:15 +0800 | [diff] [blame] | 153 | |
| 154 | #ifdef CONFIG_GENERIC_ATMEL_MCI |
| 155 | void at91_mci_hw_init(void) |
| 156 | { |
Wu, Josh | dff665a | 2014-05-21 10:42:15 +0800 | [diff] [blame] | 157 | at91_set_a_periph(AT91_PIO_PORTA, 0, 0); /* MCI0 CLK */ |
| 158 | at91_set_a_periph(AT91_PIO_PORTA, 1, 0); /* MCI0 CDA */ |
| 159 | at91_set_a_periph(AT91_PIO_PORTA, 2, 0); /* MCI0 DA0 */ |
| 160 | at91_set_a_periph(AT91_PIO_PORTA, 3, 0); /* MCI0 DA1 */ |
| 161 | at91_set_a_periph(AT91_PIO_PORTA, 4, 0); /* MCI0 DA2 */ |
| 162 | at91_set_a_periph(AT91_PIO_PORTA, 5, 0); /* MCI0 DA3 */ |
| 163 | |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame] | 164 | at91_periph_clk_enable(ATMEL_ID_MCI0); |
Wu, Josh | dff665a | 2014-05-21 10:42:15 +0800 | [diff] [blame] | 165 | } |
| 166 | #endif |
Simon Glass | 46ecd23 | 2016-05-05 07:28:17 -0600 | [diff] [blame] | 167 | |
| 168 | /* Platform data for the GPIOs */ |
Simon Glass | b75b15b | 2020-12-03 16:55:23 -0700 | [diff] [blame] | 169 | static const struct at91_port_plat at91sam9260_plat[] = { |
Simon Glass | 46ecd23 | 2016-05-05 07:28:17 -0600 | [diff] [blame] | 170 | { ATMEL_BASE_PIOA, "PA" }, |
| 171 | { ATMEL_BASE_PIOB, "PB" }, |
| 172 | { ATMEL_BASE_PIOC, "PC" }, |
| 173 | { ATMEL_BASE_PIOD, "PD" }, |
| 174 | { ATMEL_BASE_PIOE, "PE" }, |
| 175 | }; |
| 176 | |
Simon Glass | 1d8364a | 2020-12-28 20:34:54 -0700 | [diff] [blame] | 177 | U_BOOT_DRVINFOS(at91sam9260_gpios) = { |
Walter Lozano | 2901ac6 | 2020-06-25 01:10:04 -0300 | [diff] [blame] | 178 | { "atmel_at91rm9200_gpio", &at91sam9260_plat[0] }, |
| 179 | { "atmel_at91rm9200_gpio", &at91sam9260_plat[1] }, |
| 180 | { "atmel_at91rm9200_gpio", &at91sam9260_plat[2] }, |
| 181 | { "atmel_at91rm9200_gpio", &at91sam9260_plat[3] }, |
| 182 | { "atmel_at91rm9200_gpio", &at91sam9260_plat[4] }, |
Simon Glass | 46ecd23 | 2016-05-05 07:28:17 -0600 | [diff] [blame] | 183 | }; |