Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2007-2008 |
Stelian Pop | 5ee0c7f | 2011-11-01 00:00:39 +0100 | [diff] [blame] | 3 | * Stelian Pop <stelian@popies.net> |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 4 | * Lead Tech Design <www.leadtechdesign.com> |
| 5 | * |
Wolfgang Denk | d79de1d | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 6 | * SPDX-License-Identifier: GPL-2.0+ |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 7 | */ |
| 8 | |
| 9 | #include <common.h> |
Simon Glass | 46ecd23 | 2016-05-05 07:28:17 -0600 | [diff] [blame] | 10 | #include <dm.h> |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 11 | #include <asm/arch/at91_common.h> |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame] | 12 | #include <asm/arch/clk.h> |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 13 | #include <asm/arch/gpio.h> |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 14 | #include <asm/io.h> |
| 15 | |
| 16 | /* |
| 17 | * if CONFIG_AT91_GPIO_PULLUP ist set, keep pullups on on all |
| 18 | * peripheral pins. Good to have if hardware is soldered optionally |
| 19 | * or in case of SPI no slave is selected. Avoid lines to float |
| 20 | * needlessly. Use a short local PUP define. |
| 21 | * |
| 22 | * Due to errata "TXD floats when CTS is inactive" pullups are always |
| 23 | * on for TXD pins. |
| 24 | */ |
| 25 | #ifdef CONFIG_AT91_GPIO_PULLUP |
| 26 | # define PUP CONFIG_AT91_GPIO_PULLUP |
| 27 | #else |
| 28 | # define PUP 0 |
| 29 | #endif |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 30 | |
| 31 | void at91_serial0_hw_init(void) |
| 32 | { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 33 | at91_set_a_periph(AT91_PIO_PORTB, 19, 1); /* TXD0 */ |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 34 | at91_set_a_periph(AT91_PIO_PORTB, 18, PUP); /* RXD0 */ |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame] | 35 | at91_periph_clk_enable(ATMEL_ID_USART0); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 36 | } |
| 37 | |
| 38 | void at91_serial1_hw_init(void) |
| 39 | { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 40 | at91_set_a_periph(AT91_PIO_PORTB, 4, 1); /* TXD1 */ |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 41 | at91_set_a_periph(AT91_PIO_PORTB, 5, PUP); /* RXD1 */ |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame] | 42 | at91_periph_clk_enable(ATMEL_ID_USART1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 43 | } |
| 44 | |
| 45 | void at91_serial2_hw_init(void) |
| 46 | { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 47 | at91_set_a_periph(AT91_PIO_PORTD, 6, 1); /* TXD2 */ |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 48 | at91_set_a_periph(AT91_PIO_PORTD, 7, PUP); /* RXD2 */ |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame] | 49 | at91_periph_clk_enable(ATMEL_ID_USART2); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 50 | } |
| 51 | |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 52 | void at91_seriald_hw_init(void) |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 53 | { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 54 | at91_set_a_periph(AT91_PIO_PORTB, 12, 0); /* DRXD */ |
| 55 | at91_set_a_periph(AT91_PIO_PORTB, 13, 1); /* DTXD */ |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame] | 56 | at91_periph_clk_enable(ATMEL_ID_SYS); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 57 | } |
| 58 | |
Tuomas Tynkkynen | 1b72520 | 2017-10-10 21:59:42 +0300 | [diff] [blame] | 59 | #ifdef CONFIG_ATMEL_SPI |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 60 | void at91_spi0_hw_init(unsigned long cs_mask) |
| 61 | { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 62 | at91_set_a_periph(AT91_PIO_PORTB, 0, PUP); /* SPI0_MISO */ |
| 63 | at91_set_a_periph(AT91_PIO_PORTB, 1, PUP); /* SPI0_MOSI */ |
| 64 | at91_set_a_periph(AT91_PIO_PORTB, 2, PUP); /* SPI0_SPCK */ |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 65 | |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame] | 66 | at91_periph_clk_enable(ATMEL_ID_SPI0); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 67 | |
| 68 | if (cs_mask & (1 << 0)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 69 | at91_set_a_periph(AT91_PIO_PORTB, 3, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 70 | } |
| 71 | if (cs_mask & (1 << 1)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 72 | at91_set_b_periph(AT91_PIO_PORTB, 18, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 73 | } |
| 74 | if (cs_mask & (1 << 2)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 75 | at91_set_b_periph(AT91_PIO_PORTB, 19, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 76 | } |
| 77 | if (cs_mask & (1 << 3)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 78 | at91_set_b_periph(AT91_PIO_PORTD, 27, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 79 | } |
| 80 | if (cs_mask & (1 << 4)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 81 | at91_set_pio_output(AT91_PIO_PORTB, 3, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 82 | } |
| 83 | if (cs_mask & (1 << 5)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 84 | at91_set_pio_output(AT91_PIO_PORTB, 18, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 85 | } |
| 86 | if (cs_mask & (1 << 6)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 87 | at91_set_pio_output(AT91_PIO_PORTB, 19, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 88 | } |
| 89 | if (cs_mask & (1 << 7)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 90 | at91_set_pio_output(AT91_PIO_PORTD, 27, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 91 | } |
| 92 | } |
| 93 | |
| 94 | void at91_spi1_hw_init(unsigned long cs_mask) |
| 95 | { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 96 | at91_set_a_periph(AT91_PIO_PORTB, 14, PUP); /* SPI1_MISO */ |
| 97 | at91_set_a_periph(AT91_PIO_PORTB, 15, PUP); /* SPI1_MOSI */ |
| 98 | at91_set_a_periph(AT91_PIO_PORTB, 16, PUP); /* SPI1_SPCK */ |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 99 | |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame] | 100 | at91_periph_clk_enable(ATMEL_ID_SPI1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 101 | |
| 102 | if (cs_mask & (1 << 0)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 103 | at91_set_a_periph(AT91_PIO_PORTB, 17, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 104 | } |
| 105 | if (cs_mask & (1 << 1)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 106 | at91_set_b_periph(AT91_PIO_PORTD, 28, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 107 | } |
| 108 | if (cs_mask & (1 << 2)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 109 | at91_set_a_periph(AT91_PIO_PORTD, 18, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 110 | } |
| 111 | if (cs_mask & (1 << 3)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 112 | at91_set_a_periph(AT91_PIO_PORTD, 19, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 113 | } |
| 114 | if (cs_mask & (1 << 4)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 115 | at91_set_pio_output(AT91_PIO_PORTB, 17, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 116 | } |
| 117 | if (cs_mask & (1 << 5)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 118 | at91_set_pio_output(AT91_PIO_PORTD, 28, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 119 | } |
| 120 | if (cs_mask & (1 << 6)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 121 | at91_set_pio_output(AT91_PIO_PORTD, 18, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 122 | } |
| 123 | if (cs_mask & (1 << 7)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 124 | at91_set_pio_output(AT91_PIO_PORTD, 19, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 125 | } |
| 126 | |
| 127 | } |
| 128 | #endif |
| 129 | |
| 130 | #ifdef CONFIG_MACB |
| 131 | void at91_macb_hw_init(void) |
| 132 | { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 133 | at91_set_a_periph(AT91_PIO_PORTA, 17, 0); /* ETXCK_EREFCK */ |
| 134 | at91_set_a_periph(AT91_PIO_PORTA, 15, 0); /* ERXDV */ |
| 135 | at91_set_a_periph(AT91_PIO_PORTA, 12, 0); /* ERX0 */ |
| 136 | at91_set_a_periph(AT91_PIO_PORTA, 13, 0); /* ERX1 */ |
| 137 | at91_set_a_periph(AT91_PIO_PORTA, 16, 0); /* ERXER */ |
| 138 | at91_set_a_periph(AT91_PIO_PORTA, 14, 0); /* ETXEN */ |
| 139 | at91_set_a_periph(AT91_PIO_PORTA, 10, 0); /* ETX0 */ |
| 140 | at91_set_a_periph(AT91_PIO_PORTA, 11, 0); /* ETX1 */ |
| 141 | at91_set_a_periph(AT91_PIO_PORTA, 19, 0); /* EMDIO */ |
| 142 | at91_set_a_periph(AT91_PIO_PORTA, 18, 0); /* EMDC */ |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 143 | #ifndef CONFIG_RMII |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 144 | at91_set_b_periph(AT91_PIO_PORTA, 29, 0); /* ECRS */ |
| 145 | at91_set_b_periph(AT91_PIO_PORTA, 30, 0); /* ECOL */ |
| 146 | at91_set_b_periph(AT91_PIO_PORTA, 8, 0); /* ERX2 */ |
| 147 | at91_set_b_periph(AT91_PIO_PORTA, 9, 0); /* ERX3 */ |
| 148 | at91_set_b_periph(AT91_PIO_PORTA, 28, 0); /* ERXCK */ |
| 149 | at91_set_b_periph(AT91_PIO_PORTA, 6, 0); /* ETX2 */ |
| 150 | at91_set_b_periph(AT91_PIO_PORTA, 7, 0); /* ETX3 */ |
| 151 | at91_set_b_periph(AT91_PIO_PORTA, 27, 0); /* ETXER */ |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 152 | #endif |
| 153 | } |
| 154 | #endif |
Wu, Josh | dff665a | 2014-05-21 10:42:15 +0800 | [diff] [blame] | 155 | |
| 156 | #ifdef CONFIG_GENERIC_ATMEL_MCI |
| 157 | void at91_mci_hw_init(void) |
| 158 | { |
Wu, Josh | dff665a | 2014-05-21 10:42:15 +0800 | [diff] [blame] | 159 | at91_set_a_periph(AT91_PIO_PORTA, 0, 0); /* MCI0 CLK */ |
| 160 | at91_set_a_periph(AT91_PIO_PORTA, 1, 0); /* MCI0 CDA */ |
| 161 | at91_set_a_periph(AT91_PIO_PORTA, 2, 0); /* MCI0 DA0 */ |
| 162 | at91_set_a_periph(AT91_PIO_PORTA, 3, 0); /* MCI0 DA1 */ |
| 163 | at91_set_a_periph(AT91_PIO_PORTA, 4, 0); /* MCI0 DA2 */ |
| 164 | at91_set_a_periph(AT91_PIO_PORTA, 5, 0); /* MCI0 DA3 */ |
| 165 | |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame] | 166 | at91_periph_clk_enable(ATMEL_ID_MCI0); |
Wu, Josh | dff665a | 2014-05-21 10:42:15 +0800 | [diff] [blame] | 167 | } |
| 168 | #endif |
Simon Glass | 46ecd23 | 2016-05-05 07:28:17 -0600 | [diff] [blame] | 169 | |
| 170 | /* Platform data for the GPIOs */ |
| 171 | static const struct at91_port_platdata at91sam9260_plat[] = { |
| 172 | { ATMEL_BASE_PIOA, "PA" }, |
| 173 | { ATMEL_BASE_PIOB, "PB" }, |
| 174 | { ATMEL_BASE_PIOC, "PC" }, |
| 175 | { ATMEL_BASE_PIOD, "PD" }, |
| 176 | { ATMEL_BASE_PIOE, "PE" }, |
| 177 | }; |
| 178 | |
| 179 | U_BOOT_DEVICES(at91sam9260_gpios) = { |
| 180 | { "gpio_at91", &at91sam9260_plat[0] }, |
| 181 | { "gpio_at91", &at91sam9260_plat[1] }, |
| 182 | { "gpio_at91", &at91sam9260_plat[2] }, |
| 183 | { "gpio_at91", &at91sam9260_plat[3] }, |
| 184 | { "gpio_at91", &at91sam9260_plat[4] }, |
| 185 | }; |