Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
Bo Shen | 60f3dd3 | 2013-05-12 22:40:54 +0000 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (C) 2012-2013 Atmel Corporation |
| 4 | * Bo Shen <voice.shen@atmel.com> |
Bo Shen | 60f3dd3 | 2013-05-12 22:40:54 +0000 | [diff] [blame] | 5 | */ |
| 6 | |
Bo Shen | 60f3dd3 | 2013-05-12 22:40:54 +0000 | [diff] [blame] | 7 | #include <asm/arch/sama5d3.h> |
| 8 | #include <asm/arch/at91_common.h> |
Bo Shen | 60f3dd3 | 2013-05-12 22:40:54 +0000 | [diff] [blame] | 9 | #include <asm/arch/clk.h> |
| 10 | #include <asm/arch/gpio.h> |
| 11 | #include <asm/io.h> |
| 12 | |
| 13 | unsigned int has_emac() |
| 14 | { |
Wu, Josh | d0f0c7d | 2013-11-05 15:07:46 +0800 | [diff] [blame] | 15 | return cpu_is_sama5d31() || cpu_is_sama5d35() || cpu_is_sama5d36(); |
Bo Shen | 60f3dd3 | 2013-05-12 22:40:54 +0000 | [diff] [blame] | 16 | } |
| 17 | |
| 18 | unsigned int has_gmac() |
| 19 | { |
| 20 | return !cpu_is_sama5d31(); |
| 21 | } |
| 22 | |
| 23 | unsigned int has_lcdc() |
| 24 | { |
| 25 | return !cpu_is_sama5d35(); |
| 26 | } |
| 27 | |
| 28 | char *get_cpu_name() |
| 29 | { |
| 30 | unsigned int extension_id = get_extension_chip_id(); |
| 31 | |
| 32 | if (cpu_is_sama5d3()) |
| 33 | switch (extension_id) { |
| 34 | case ARCH_EXID_SAMA5D31: |
| 35 | return "SAMA5D31"; |
| 36 | case ARCH_EXID_SAMA5D33: |
| 37 | return "SAMA5D33"; |
| 38 | case ARCH_EXID_SAMA5D34: |
| 39 | return "SAMA5D34"; |
| 40 | case ARCH_EXID_SAMA5D35: |
| 41 | return "SAMA5D35"; |
Wu, Josh | d0f0c7d | 2013-11-05 15:07:46 +0800 | [diff] [blame] | 42 | case ARCH_EXID_SAMA5D36: |
| 43 | return "SAMA5D36"; |
Bo Shen | 60f3dd3 | 2013-05-12 22:40:54 +0000 | [diff] [blame] | 44 | default: |
| 45 | return "Unknown CPU type"; |
| 46 | } |
| 47 | else |
| 48 | return "Unknown CPU type"; |
| 49 | } |
| 50 | |
| 51 | void at91_serial0_hw_init(void) |
| 52 | { |
Wenyou Yang | 4a92a3e | 2017-03-23 12:44:36 +0800 | [diff] [blame] | 53 | at91_pio3_set_a_periph(AT91_PIO_PORTD, 18, 1); /* TXD0 */ |
| 54 | at91_pio3_set_a_periph(AT91_PIO_PORTD, 17, 0); /* RXD0 */ |
Bo Shen | 60f3dd3 | 2013-05-12 22:40:54 +0000 | [diff] [blame] | 55 | |
| 56 | /* Enable clock */ |
| 57 | at91_periph_clk_enable(ATMEL_ID_USART0); |
| 58 | } |
| 59 | |
| 60 | void at91_serial1_hw_init(void) |
| 61 | { |
Wenyou Yang | 4a92a3e | 2017-03-23 12:44:36 +0800 | [diff] [blame] | 62 | at91_pio3_set_a_periph(AT91_PIO_PORTB, 29, 1); /* TXD1 */ |
| 63 | at91_pio3_set_a_periph(AT91_PIO_PORTB, 28, 0); /* RXD1 */ |
Bo Shen | 60f3dd3 | 2013-05-12 22:40:54 +0000 | [diff] [blame] | 64 | |
| 65 | /* Enable clock */ |
| 66 | at91_periph_clk_enable(ATMEL_ID_USART1); |
| 67 | } |
| 68 | |
| 69 | void at91_serial2_hw_init(void) |
| 70 | { |
Wenyou Yang | 4a92a3e | 2017-03-23 12:44:36 +0800 | [diff] [blame] | 71 | at91_pio3_set_b_periph(AT91_PIO_PORTE, 26, 1); /* TXD2 */ |
| 72 | at91_pio3_set_b_periph(AT91_PIO_PORTE, 25, 0); /* RXD2 */ |
Bo Shen | 60f3dd3 | 2013-05-12 22:40:54 +0000 | [diff] [blame] | 73 | |
| 74 | /* Enable clock */ |
| 75 | at91_periph_clk_enable(ATMEL_ID_USART2); |
| 76 | } |
| 77 | |
| 78 | void at91_seriald_hw_init(void) |
| 79 | { |
Wenyou Yang | 4a92a3e | 2017-03-23 12:44:36 +0800 | [diff] [blame] | 80 | at91_pio3_set_a_periph(AT91_PIO_PORTB, 31, 1); /* DTXD */ |
| 81 | at91_pio3_set_a_periph(AT91_PIO_PORTB, 30, 0); /* DRXD */ |
Bo Shen | 60f3dd3 | 2013-05-12 22:40:54 +0000 | [diff] [blame] | 82 | |
| 83 | /* Enable clock */ |
Bo Shen | f2afc3b | 2013-11-15 11:12:32 +0800 | [diff] [blame] | 84 | at91_periph_clk_enable(ATMEL_ID_DBGU); |
Bo Shen | 60f3dd3 | 2013-05-12 22:40:54 +0000 | [diff] [blame] | 85 | } |
| 86 | |
| 87 | #if defined(CONFIG_ATMEL_SPI) |
| 88 | void at91_spi0_hw_init(unsigned long cs_mask) |
| 89 | { |
Wenyou Yang | 4a92a3e | 2017-03-23 12:44:36 +0800 | [diff] [blame] | 90 | at91_pio3_set_a_periph(AT91_PIO_PORTD, 10, 0); /* SPI0_MISO */ |
| 91 | at91_pio3_set_a_periph(AT91_PIO_PORTD, 11, 0); /* SPI0_MOSI */ |
| 92 | at91_pio3_set_a_periph(AT91_PIO_PORTD, 12, 0); /* SPI0_SPCK */ |
Bo Shen | 60f3dd3 | 2013-05-12 22:40:54 +0000 | [diff] [blame] | 93 | |
| 94 | if (cs_mask & (1 << 0)) |
| 95 | at91_set_pio_output(AT91_PIO_PORTD, 13, 1); |
| 96 | if (cs_mask & (1 << 1)) |
| 97 | at91_set_pio_output(AT91_PIO_PORTD, 14, 1); |
| 98 | if (cs_mask & (1 << 2)) |
| 99 | at91_set_pio_output(AT91_PIO_PORTD, 15, 1); |
| 100 | if (cs_mask & (1 << 3)) |
| 101 | at91_set_pio_output(AT91_PIO_PORTD, 16, 1); |
| 102 | |
| 103 | /* Enable clock */ |
| 104 | at91_periph_clk_enable(ATMEL_ID_SPI0); |
| 105 | } |
| 106 | #endif |
| 107 | |
| 108 | #ifdef CONFIG_GENERIC_ATMEL_MCI |
| 109 | void at91_mci_hw_init(void) |
| 110 | { |
Wenyou Yang | 4a92a3e | 2017-03-23 12:44:36 +0800 | [diff] [blame] | 111 | at91_pio3_set_a_periph(AT91_PIO_PORTD, 0, 0); /* MCI0 CMD */ |
| 112 | at91_pio3_set_a_periph(AT91_PIO_PORTD, 1, 0); /* MCI0 DA0 */ |
| 113 | at91_pio3_set_a_periph(AT91_PIO_PORTD, 2, 0); /* MCI0 DA1 */ |
| 114 | at91_pio3_set_a_periph(AT91_PIO_PORTD, 3, 0); /* MCI0 DA2 */ |
| 115 | at91_pio3_set_a_periph(AT91_PIO_PORTD, 4, 0); /* MCI0 DA3 */ |
Bo Shen | 60f3dd3 | 2013-05-12 22:40:54 +0000 | [diff] [blame] | 116 | #ifdef CONFIG_ATMEL_MCI_8BIT |
Wenyou Yang | 4a92a3e | 2017-03-23 12:44:36 +0800 | [diff] [blame] | 117 | at91_pio3_set_a_periph(AT91_PIO_PORTD, 5, 0); /* MCI0 DA4 */ |
| 118 | at91_pio3_set_a_periph(AT91_PIO_PORTD, 6, 0); /* MCI0 DA5 */ |
| 119 | at91_pio3_set_a_periph(AT91_PIO_PORTD, 7, 0); /* MCI0 DA6 */ |
| 120 | at91_pio3_set_a_periph(AT91_PIO_PORTD, 8, 0); /* MCI0 DA7 */ |
Bo Shen | 60f3dd3 | 2013-05-12 22:40:54 +0000 | [diff] [blame] | 121 | #endif |
Wenyou Yang | 4a92a3e | 2017-03-23 12:44:36 +0800 | [diff] [blame] | 122 | at91_pio3_set_a_periph(AT91_PIO_PORTD, 9, 0); /* MCI0 CLK */ |
Bo Shen | 60f3dd3 | 2013-05-12 22:40:54 +0000 | [diff] [blame] | 123 | |
| 124 | /* Enable clock */ |
| 125 | at91_periph_clk_enable(ATMEL_ID_MCI0); |
| 126 | } |
| 127 | #endif |
| 128 | |
| 129 | #ifdef CONFIG_MACB |
| 130 | void at91_macb_hw_init(void) |
| 131 | { |
Wenyou Yang | 4a92a3e | 2017-03-23 12:44:36 +0800 | [diff] [blame] | 132 | at91_pio3_set_a_periph(AT91_PIO_PORTC, 7, 0); /* ETXCK_EREFCK */ |
| 133 | at91_pio3_set_a_periph(AT91_PIO_PORTC, 5, 0); /* ERXDV */ |
| 134 | at91_pio3_set_a_periph(AT91_PIO_PORTC, 2, 0); /* ERX0 */ |
| 135 | at91_pio3_set_a_periph(AT91_PIO_PORTC, 3, 0); /* ERX1 */ |
| 136 | at91_pio3_set_a_periph(AT91_PIO_PORTC, 6, 0); /* ERXER */ |
| 137 | at91_pio3_set_a_periph(AT91_PIO_PORTC, 4, 0); /* ETXEN */ |
| 138 | at91_pio3_set_a_periph(AT91_PIO_PORTC, 0, 0); /* ETX0 */ |
| 139 | at91_pio3_set_a_periph(AT91_PIO_PORTC, 1, 0); /* ETX1 */ |
| 140 | at91_pio3_set_a_periph(AT91_PIO_PORTC, 9, 0); /* EMDIO */ |
| 141 | at91_pio3_set_a_periph(AT91_PIO_PORTC, 8, 0); /* EMDC */ |
Bo Shen | 60f3dd3 | 2013-05-12 22:40:54 +0000 | [diff] [blame] | 142 | |
| 143 | /* Enable clock */ |
| 144 | at91_periph_clk_enable(ATMEL_ID_EMAC); |
| 145 | } |
Bo Shen | 6f6afad | 2013-06-26 10:11:06 +0800 | [diff] [blame] | 146 | |
| 147 | void at91_gmac_hw_init(void) |
| 148 | { |
Wenyou Yang | 4a92a3e | 2017-03-23 12:44:36 +0800 | [diff] [blame] | 149 | at91_pio3_set_a_periph(AT91_PIO_PORTB, 0, 0); /* GTX0 */ |
| 150 | at91_pio3_set_a_periph(AT91_PIO_PORTB, 1, 0); /* GTX1 */ |
| 151 | at91_pio3_set_a_periph(AT91_PIO_PORTB, 2, 0); /* GTX2 */ |
| 152 | at91_pio3_set_a_periph(AT91_PIO_PORTB, 3, 0); /* GTX3 */ |
| 153 | at91_pio3_set_a_periph(AT91_PIO_PORTB, 4, 0); /* GRX0 */ |
| 154 | at91_pio3_set_a_periph(AT91_PIO_PORTB, 5, 0); /* GRX1 */ |
| 155 | at91_pio3_set_a_periph(AT91_PIO_PORTB, 6, 0); /* GRX2 */ |
| 156 | at91_pio3_set_a_periph(AT91_PIO_PORTB, 7, 0); /* GRX3 */ |
| 157 | at91_pio3_set_a_periph(AT91_PIO_PORTB, 8, 0); /* GTXCK */ |
| 158 | at91_pio3_set_a_periph(AT91_PIO_PORTB, 9, 0); /* GTXEN */ |
Bo Shen | 6f6afad | 2013-06-26 10:11:06 +0800 | [diff] [blame] | 159 | |
Wenyou Yang | 4a92a3e | 2017-03-23 12:44:36 +0800 | [diff] [blame] | 160 | at91_pio3_set_a_periph(AT91_PIO_PORTB, 11, 0); /* GRXCK */ |
| 161 | at91_pio3_set_a_periph(AT91_PIO_PORTB, 13, 0); /* GRXER */ |
Bo Shen | 6f6afad | 2013-06-26 10:11:06 +0800 | [diff] [blame] | 162 | |
Wenyou Yang | 4a92a3e | 2017-03-23 12:44:36 +0800 | [diff] [blame] | 163 | at91_pio3_set_a_periph(AT91_PIO_PORTB, 16, 0); /* GMDC */ |
| 164 | at91_pio3_set_a_periph(AT91_PIO_PORTB, 17, 0); /* GMDIO */ |
| 165 | at91_pio3_set_a_periph(AT91_PIO_PORTB, 18, 0); /* G125CK */ |
Bo Shen | 6f6afad | 2013-06-26 10:11:06 +0800 | [diff] [blame] | 166 | |
| 167 | /* Enable clock */ |
| 168 | at91_periph_clk_enable(ATMEL_ID_GMAC); |
| 169 | } |
Bo Shen | 60f3dd3 | 2013-05-12 22:40:54 +0000 | [diff] [blame] | 170 | #endif |
| 171 | |
Bo Shen | f9623df | 2013-09-11 18:24:51 +0800 | [diff] [blame] | 172 | #ifdef CONFIG_USB_GADGET_ATMEL_USBA |
| 173 | void at91_udp_hw_init(void) |
| 174 | { |
Bo Shen | f9623df | 2013-09-11 18:24:51 +0800 | [diff] [blame] | 175 | /* Enable UPLL clock */ |
Wenyou Yang | b5d886a | 2016-02-02 11:11:52 +0800 | [diff] [blame] | 176 | at91_upll_clk_enable(); |
Bo Shen | f9623df | 2013-09-11 18:24:51 +0800 | [diff] [blame] | 177 | /* Enable UDPHS clock */ |
| 178 | at91_periph_clk_enable(ATMEL_ID_UDPHS); |
| 179 | } |
| 180 | #endif |