Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +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> |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 5 | * Lead Tech Design <www.leadtechdesign.com> |
| 6 | * |
Daniel Gorsulowski | bbe1169 | 2011-01-20 23:12:15 +0000 | [diff] [blame] | 7 | * (C) Copyright 2009-2011 |
Daniel Gorsulowski | 96d1b47 | 2009-06-30 23:03:33 +0200 | [diff] [blame] | 8 | * Daniel Gorsulowski <daniel.gorsulowski@esd.eu> |
| 9 | * esd electronic system design gmbh <www.esd.eu> |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 10 | */ |
| 11 | |
| 12 | #include <common.h> |
Daniel Gorsulowski | bbe1169 | 2011-01-20 23:12:15 +0000 | [diff] [blame] | 13 | #include <asm/io.h> |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 14 | #include <asm/arch/at91_common.h> |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame] | 15 | #include <asm/arch/clk.h> |
Xu, Hong | 4fae89c | 2011-06-10 21:31:25 +0000 | [diff] [blame] | 16 | #include <asm/arch/gpio.h> |
| 17 | |
| 18 | /* |
| 19 | * if CONFIG_AT91_GPIO_PULLUP ist set, keep pullups on on all |
| 20 | * peripheral pins. Good to have if hardware is soldered optionally |
| 21 | * or in case of SPI no slave is selected. Avoid lines to float |
| 22 | * needlessly. Use a short local PUP define. |
| 23 | * |
| 24 | * Due to errata "TXD floats when CTS is inactive" pullups are always |
| 25 | * on for TXD pins. |
| 26 | */ |
| 27 | #ifdef CONFIG_AT91_GPIO_PULLUP |
| 28 | # define PUP CONFIG_AT91_GPIO_PULLUP |
| 29 | #else |
| 30 | # define PUP 0 |
| 31 | #endif |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 32 | |
| 33 | void at91_serial0_hw_init(void) |
| 34 | { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 35 | at91_set_a_periph(AT91_PIO_PORTA, 26, 1); /* TXD0 */ |
Xu, Hong | 4fae89c | 2011-06-10 21:31:25 +0000 | [diff] [blame] | 36 | at91_set_a_periph(AT91_PIO_PORTA, 27, PUP); /* RXD0 */ |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame] | 37 | at91_periph_clk_enable(ATMEL_ID_USART0); |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 38 | } |
| 39 | |
| 40 | void at91_serial1_hw_init(void) |
| 41 | { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 42 | at91_set_a_periph(AT91_PIO_PORTD, 0, 1); /* TXD1 */ |
Xu, Hong | 4fae89c | 2011-06-10 21:31:25 +0000 | [diff] [blame] | 43 | at91_set_a_periph(AT91_PIO_PORTD, 1, PUP); /* RXD1 */ |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame] | 44 | at91_periph_clk_enable(ATMEL_ID_USART1); |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 45 | } |
| 46 | |
| 47 | void at91_serial2_hw_init(void) |
| 48 | { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 49 | at91_set_a_periph(AT91_PIO_PORTD, 2, 1); /* TXD2 */ |
Xu, Hong | 4fae89c | 2011-06-10 21:31:25 +0000 | [diff] [blame] | 50 | at91_set_a_periph(AT91_PIO_PORTD, 3, PUP); /* RXD2 */ |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame] | 51 | at91_periph_clk_enable(ATMEL_ID_USART2); |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 52 | } |
| 53 | |
Daniel Gorsulowski | bbe1169 | 2011-01-20 23:12:15 +0000 | [diff] [blame] | 54 | void at91_seriald_hw_init(void) |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 55 | { |
Xu, Hong | 4fae89c | 2011-06-10 21:31:25 +0000 | [diff] [blame] | 56 | at91_set_a_periph(AT91_PIO_PORTC, 30, PUP); /* DRXD */ |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 57 | at91_set_a_periph(AT91_PIO_PORTC, 31, 1); /* DTXD */ |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame] | 58 | at91_periph_clk_enable(ATMEL_ID_SYS); |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 59 | } |
| 60 | |
Tuomas Tynkkynen | 1b72520 | 2017-10-10 21:59:42 +0300 | [diff] [blame] | 61 | #ifdef CONFIG_ATMEL_SPI |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 62 | void at91_spi0_hw_init(unsigned long cs_mask) |
| 63 | { |
Xu, Hong | 4fae89c | 2011-06-10 21:31:25 +0000 | [diff] [blame] | 64 | at91_set_b_periph(AT91_PIO_PORTA, 0, PUP); /* SPI0_MISO */ |
| 65 | at91_set_b_periph(AT91_PIO_PORTA, 1, PUP); /* SPI0_MOSI */ |
| 66 | at91_set_b_periph(AT91_PIO_PORTA, 2, PUP); /* SPI0_SPCK */ |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 67 | |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame] | 68 | at91_periph_clk_enable(ATMEL_ID_SPI0); |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 69 | |
| 70 | if (cs_mask & (1 << 0)) { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 71 | at91_set_b_periph(AT91_PIO_PORTA, 5, 1); |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 72 | } |
| 73 | if (cs_mask & (1 << 1)) { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 74 | at91_set_b_periph(AT91_PIO_PORTA, 3, 1); |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 75 | } |
| 76 | if (cs_mask & (1 << 2)) { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 77 | at91_set_b_periph(AT91_PIO_PORTA, 4, 1); |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 78 | } |
| 79 | if (cs_mask & (1 << 3)) { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 80 | at91_set_b_periph(AT91_PIO_PORTB, 11, 1); |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 81 | } |
| 82 | if (cs_mask & (1 << 4)) { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 83 | at91_set_pio_output(AT91_PIO_PORTA, 5, 1); |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 84 | } |
| 85 | if (cs_mask & (1 << 5)) { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 86 | at91_set_pio_output(AT91_PIO_PORTA, 3, 1); |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 87 | } |
| 88 | if (cs_mask & (1 << 6)) { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 89 | at91_set_pio_output(AT91_PIO_PORTA, 4, 1); |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 90 | } |
| 91 | if (cs_mask & (1 << 7)) { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 92 | at91_set_pio_output(AT91_PIO_PORTB, 11, 1); |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 93 | } |
| 94 | } |
| 95 | |
| 96 | void at91_spi1_hw_init(unsigned long cs_mask) |
| 97 | { |
Xu, Hong | 4fae89c | 2011-06-10 21:31:25 +0000 | [diff] [blame] | 98 | at91_set_a_periph(AT91_PIO_PORTB, 12, PUP); /* SPI1_MISO */ |
| 99 | at91_set_a_periph(AT91_PIO_PORTB, 13, PUP); /* SPI1_MOSI */ |
| 100 | at91_set_a_periph(AT91_PIO_PORTB, 14, PUP); /* SPI1_SPCK */ |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 101 | |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame] | 102 | at91_periph_clk_enable(ATMEL_ID_SPI1); |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 103 | |
| 104 | if (cs_mask & (1 << 0)) { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 105 | at91_set_a_periph(AT91_PIO_PORTB, 15, 1); |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 106 | } |
| 107 | if (cs_mask & (1 << 1)) { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 108 | at91_set_a_periph(AT91_PIO_PORTB, 16, 1); |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 109 | } |
| 110 | if (cs_mask & (1 << 2)) { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 111 | at91_set_a_periph(AT91_PIO_PORTB, 17, 1); |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 112 | } |
| 113 | if (cs_mask & (1 << 3)) { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 114 | at91_set_a_periph(AT91_PIO_PORTB, 18, 1); |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 115 | } |
| 116 | if (cs_mask & (1 << 4)) { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 117 | at91_set_pio_output(AT91_PIO_PORTB, 15, 1); |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 118 | } |
| 119 | if (cs_mask & (1 << 5)) { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 120 | at91_set_pio_output(AT91_PIO_PORTB, 16, 1); |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 121 | } |
| 122 | if (cs_mask & (1 << 6)) { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 123 | at91_set_pio_output(AT91_PIO_PORTB, 17, 1); |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 124 | } |
| 125 | if (cs_mask & (1 << 7)) { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 126 | at91_set_pio_output(AT91_PIO_PORTB, 18, 1); |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 127 | } |
| 128 | } |
| 129 | #endif |
| 130 | |
Andreas Henriksson | d70d42f | 2014-01-27 19:18:59 +0100 | [diff] [blame] | 131 | #if defined(CONFIG_GENERIC_ATMEL_MCI) |
| 132 | void at91_mci_hw_init(void) |
| 133 | { |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame] | 134 | at91_periph_clk_enable(ATMEL_ID_MCI1); |
Andreas Henriksson | d70d42f | 2014-01-27 19:18:59 +0100 | [diff] [blame] | 135 | |
| 136 | at91_set_a_periph(AT91_PIO_PORTA, 6, PUP); /* MCI1_CK */ |
| 137 | |
| 138 | #if defined(CONFIG_ATMEL_MCI_PORTB) |
| 139 | at91_set_a_periph(AT91_PIO_PORTA, 21, PUP); /* MCI1_CDB */ |
| 140 | at91_set_a_periph(AT91_PIO_PORTA, 22, PUP); /* MCI1_DB0 */ |
| 141 | at91_set_a_periph(AT91_PIO_PORTA, 23, PUP); /* MCI1_DB1 */ |
| 142 | at91_set_a_periph(AT91_PIO_PORTA, 24, PUP); /* MCI1_DB2 */ |
| 143 | at91_set_a_periph(AT91_PIO_PORTA, 25, PUP); /* MCI1_DB3 */ |
| 144 | #else |
| 145 | at91_set_a_periph(AT91_PIO_PORTA, 7, PUP); /* MCI1_CDA */ |
| 146 | at91_set_a_periph(AT91_PIO_PORTA, 8, PUP); /* MCI1_DA0 */ |
| 147 | at91_set_a_periph(AT91_PIO_PORTA, 9, PUP); /* MCI1_DA1 */ |
| 148 | at91_set_a_periph(AT91_PIO_PORTA, 10, PUP); /* MCI1_DA2 */ |
| 149 | at91_set_a_periph(AT91_PIO_PORTA, 11, PUP); /* MCI1_DA3 */ |
| 150 | #endif |
| 151 | } |
| 152 | #endif |
| 153 | |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 154 | #ifdef CONFIG_MACB |
| 155 | void at91_macb_hw_init(void) |
| 156 | { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 157 | at91_set_a_periph(AT91_PIO_PORTE, 21, 0); /* ETXCK_EREFCK */ |
| 158 | at91_set_b_periph(AT91_PIO_PORTC, 25, 0); /* ERXDV */ |
| 159 | at91_set_a_periph(AT91_PIO_PORTE, 25, 0); /* ERX0 */ |
| 160 | at91_set_a_periph(AT91_PIO_PORTE, 26, 0); /* ERX1 */ |
| 161 | at91_set_a_periph(AT91_PIO_PORTE, 27, 0); /* ERXER */ |
| 162 | at91_set_a_periph(AT91_PIO_PORTE, 28, 0); /* ETXEN */ |
| 163 | at91_set_a_periph(AT91_PIO_PORTE, 23, 0); /* ETX0 */ |
| 164 | at91_set_a_periph(AT91_PIO_PORTE, 24, 0); /* ETX1 */ |
| 165 | at91_set_a_periph(AT91_PIO_PORTE, 30, 0); /* EMDIO */ |
| 166 | at91_set_a_periph(AT91_PIO_PORTE, 29, 0); /* EMDC */ |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 167 | |
| 168 | #ifndef CONFIG_RMII |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 169 | at91_set_a_periph(AT91_PIO_PORTE, 22, 0); /* ECRS */ |
| 170 | at91_set_b_periph(AT91_PIO_PORTC, 26, 0); /* ECOL */ |
| 171 | at91_set_b_periph(AT91_PIO_PORTC, 22, 0); /* ERX2 */ |
| 172 | at91_set_b_periph(AT91_PIO_PORTC, 23, 0); /* ERX3 */ |
| 173 | at91_set_b_periph(AT91_PIO_PORTC, 27, 0); /* ERXCK */ |
| 174 | at91_set_b_periph(AT91_PIO_PORTC, 20, 0); /* ETX2 */ |
| 175 | at91_set_b_periph(AT91_PIO_PORTC, 21, 0); /* ETX3 */ |
| 176 | at91_set_b_periph(AT91_PIO_PORTC, 24, 0); /* ETXER */ |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 177 | #endif |
| 178 | } |
| 179 | #endif |
| 180 | |
| 181 | #ifdef CONFIG_USB_OHCI_NEW |
| 182 | void at91_uhp_hw_init(void) |
| 183 | { |
| 184 | /* Enable VBus on UHP ports */ |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 185 | at91_set_pio_output(AT91_PIO_PORTA, 21, 0); |
| 186 | at91_set_pio_output(AT91_PIO_PORTA, 24, 0); |
Jean-Christophe PLAGNIOL-VILLARD | 2495b2d | 2009-05-13 21:01:13 +0200 | [diff] [blame] | 187 | } |
| 188 | #endif |
Daniel Gorsulowski | 96d1b47 | 2009-06-30 23:03:33 +0200 | [diff] [blame] | 189 | |
| 190 | #ifdef CONFIG_AT91_CAN |
| 191 | void at91_can_hw_init(void) |
| 192 | { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 193 | at91_set_a_periph(AT91_PIO_PORTA, 13, 0); /* CAN_TX */ |
| 194 | at91_set_a_periph(AT91_PIO_PORTA, 14, 1); /* CAN_RX */ |
Daniel Gorsulowski | 96d1b47 | 2009-06-30 23:03:33 +0200 | [diff] [blame] | 195 | |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame] | 196 | at91_periph_clk_enable(ATMEL_ID_CAN); |
Daniel Gorsulowski | 96d1b47 | 2009-06-30 23:03:33 +0200 | [diff] [blame] | 197 | } |
| 198 | #endif |