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> |
| 10 | #include <asm/arch/at91_common.h> |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame^] | 11 | #include <asm/arch/clk.h> |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 12 | #include <asm/arch/gpio.h> |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 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 |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 29 | |
| 30 | void at91_serial0_hw_init(void) |
| 31 | { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 32 | at91_set_a_periph(AT91_PIO_PORTB, 19, 1); /* TXD0 */ |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 33 | at91_set_a_periph(AT91_PIO_PORTB, 18, PUP); /* RXD0 */ |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame^] | 34 | at91_periph_clk_enable(ATMEL_ID_USART0); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 35 | } |
| 36 | |
| 37 | void at91_serial1_hw_init(void) |
| 38 | { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 39 | at91_set_a_periph(AT91_PIO_PORTB, 4, 1); /* TXD1 */ |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 40 | at91_set_a_periph(AT91_PIO_PORTB, 5, PUP); /* RXD1 */ |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame^] | 41 | at91_periph_clk_enable(ATMEL_ID_USART1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 42 | } |
| 43 | |
| 44 | void at91_serial2_hw_init(void) |
| 45 | { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 46 | at91_set_a_periph(AT91_PIO_PORTD, 6, 1); /* TXD2 */ |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 47 | at91_set_a_periph(AT91_PIO_PORTD, 7, PUP); /* RXD2 */ |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame^] | 48 | at91_periph_clk_enable(ATMEL_ID_USART2); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 49 | } |
| 50 | |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 51 | void at91_seriald_hw_init(void) |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 52 | { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 53 | at91_set_a_periph(AT91_PIO_PORTB, 12, 0); /* DRXD */ |
| 54 | at91_set_a_periph(AT91_PIO_PORTB, 13, 1); /* DTXD */ |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame^] | 55 | at91_periph_clk_enable(ATMEL_ID_SYS); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 56 | } |
| 57 | |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 58 | #if defined(CONFIG_HAS_DATAFLASH) || defined(CONFIG_ATMEL_SPI) |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 59 | void at91_spi0_hw_init(unsigned long cs_mask) |
| 60 | { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 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 */ |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 64 | |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame^] | 65 | at91_periph_clk_enable(ATMEL_ID_SPI0); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 66 | |
| 67 | if (cs_mask & (1 << 0)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 68 | at91_set_a_periph(AT91_PIO_PORTB, 3, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 69 | } |
| 70 | if (cs_mask & (1 << 1)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 71 | at91_set_b_periph(AT91_PIO_PORTB, 18, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 72 | } |
| 73 | if (cs_mask & (1 << 2)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 74 | at91_set_b_periph(AT91_PIO_PORTB, 19, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 75 | } |
| 76 | if (cs_mask & (1 << 3)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 77 | at91_set_b_periph(AT91_PIO_PORTD, 27, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 78 | } |
| 79 | if (cs_mask & (1 << 4)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 80 | at91_set_pio_output(AT91_PIO_PORTB, 3, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 81 | } |
| 82 | if (cs_mask & (1 << 5)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 83 | at91_set_pio_output(AT91_PIO_PORTB, 18, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 84 | } |
| 85 | if (cs_mask & (1 << 6)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 86 | at91_set_pio_output(AT91_PIO_PORTB, 19, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 87 | } |
| 88 | if (cs_mask & (1 << 7)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 89 | at91_set_pio_output(AT91_PIO_PORTD, 27, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 90 | } |
| 91 | } |
| 92 | |
| 93 | void at91_spi1_hw_init(unsigned long cs_mask) |
| 94 | { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 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 */ |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 98 | |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame^] | 99 | at91_periph_clk_enable(ATMEL_ID_SPI1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 100 | |
| 101 | if (cs_mask & (1 << 0)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 102 | at91_set_a_periph(AT91_PIO_PORTB, 17, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 103 | } |
| 104 | if (cs_mask & (1 << 1)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 105 | at91_set_b_periph(AT91_PIO_PORTD, 28, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 106 | } |
| 107 | if (cs_mask & (1 << 2)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 108 | at91_set_a_periph(AT91_PIO_PORTD, 18, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 109 | } |
| 110 | if (cs_mask & (1 << 3)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 111 | at91_set_a_periph(AT91_PIO_PORTD, 19, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 112 | } |
| 113 | if (cs_mask & (1 << 4)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 114 | at91_set_pio_output(AT91_PIO_PORTB, 17, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 115 | } |
| 116 | if (cs_mask & (1 << 5)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 117 | at91_set_pio_output(AT91_PIO_PORTD, 28, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 118 | } |
| 119 | if (cs_mask & (1 << 6)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 120 | at91_set_pio_output(AT91_PIO_PORTD, 18, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 121 | } |
| 122 | if (cs_mask & (1 << 7)) { |
Thomas Petazzoni | b0263c5 | 2011-08-04 08:53:29 +0000 | [diff] [blame] | 123 | at91_set_pio_output(AT91_PIO_PORTD, 19, 1); |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 124 | } |
| 125 | |
| 126 | } |
| 127 | #endif |
| 128 | |
| 129 | #ifdef CONFIG_MACB |
| 130 | void at91_macb_hw_init(void) |
| 131 | { |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 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 */ |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 142 | #ifndef CONFIG_RMII |
Jens Scharsig | b49d15c | 2010-02-03 22:46:46 +0100 | [diff] [blame] | 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 */ |
Sedji Gaouaou | 538566d | 2009-07-09 10:16:29 +0200 | [diff] [blame] | 151 | #endif |
| 152 | } |
| 153 | #endif |
Wu, Josh | dff665a | 2014-05-21 10:42:15 +0800 | [diff] [blame] | 154 | |
| 155 | #ifdef CONFIG_GENERIC_ATMEL_MCI |
| 156 | void at91_mci_hw_init(void) |
| 157 | { |
Wu, Josh | dff665a | 2014-05-21 10:42:15 +0800 | [diff] [blame] | 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 | |
Wenyou Yang | 57b7f29 | 2016-02-03 10:16:49 +0800 | [diff] [blame^] | 165 | at91_periph_clk_enable(ATMEL_ID_MCI0); |
Wu, Josh | dff665a | 2014-05-21 10:42:15 +0800 | [diff] [blame] | 166 | } |
| 167 | #endif |