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ARM: cpu: at91: clean up peripheral clock code
[J-u-boot.git] / arch / arm / mach-at91 / arm926ejs / at91sam9n12_devices.c
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1/*
2 * (C) Copyright 2013 Atmel Corporation
3 * Josh Wu <[email protected]>
4 *
1a459660 5 * SPDX-License-Identifier: GPL-2.0+
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6 */
7
8#include <common.h>
9#include <asm/io.h>
10#include <asm/arch/at91_common.h>
9e336903 11#include <asm/arch/at91_pio.h>
eced5a7e 12#include <asm/arch/clk.h>
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13
14unsigned int has_lcdc()
15{
16 return 1;
17}
18
19void at91_serial0_hw_init(void)
20{
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21 at91_set_a_periph(AT91_PIO_PORTA, 0, 1); /* TXD0 */
22 at91_set_a_periph(AT91_PIO_PORTA, 1, 0); /* RXD0 */
eced5a7e 23 at91_periph_clk_enable(ATMEL_ID_USART0);
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24}
25
26void at91_serial1_hw_init(void)
27{
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28 at91_set_a_periph(AT91_PIO_PORTA, 5, 1); /* TXD1 */
29 at91_set_a_periph(AT91_PIO_PORTA, 6, 0); /* RXD1 */
eced5a7e 30 at91_periph_clk_enable(ATMEL_ID_USART1);
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31}
32
33void at91_serial2_hw_init(void)
34{
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35 at91_set_a_periph(AT91_PIO_PORTA, 7, 1); /* TXD2 */
36 at91_set_a_periph(AT91_PIO_PORTA, 8, 0); /* RXD2 */
eced5a7e 37 at91_periph_clk_enable(ATMEL_ID_USART2);
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38}
39
40void at91_serial3_hw_init(void)
41{
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42 at91_set_b_periph(AT91_PIO_PORTC, 22, 1); /* TXD3 */
43 at91_set_b_periph(AT91_PIO_PORTC, 23, 0); /* RXD3 */
eced5a7e 44 at91_periph_clk_enable(ATMEL_ID_USART3);
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45}
46
47void at91_seriald_hw_init(void)
48{
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49 at91_set_a_periph(AT91_PIO_PORTA, 10, 1); /* DTXD */
50 at91_set_a_periph(AT91_PIO_PORTA, 9, 0); /* DRXD */
eced5a7e 51 at91_periph_clk_enable(ATMEL_ID_SYS);
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52}
53
54#ifdef CONFIG_ATMEL_SPI
55void at91_spi0_hw_init(unsigned long cs_mask)
56{
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57 at91_set_a_periph(AT91_PIO_PORTA, 11, 0); /* SPI0_MISO */
58 at91_set_a_periph(AT91_PIO_PORTA, 12, 0); /* SPI0_MOSI */
59 at91_set_a_periph(AT91_PIO_PORTA, 13, 0); /* SPI0_SPCK */
60
eced5a7e 61 at91_periph_clk_enable(ATMEL_ID_SPI0);
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62
63 if (cs_mask & (1 << 0))
64 at91_set_pio_output(AT91_PIO_PORTA, 14, 1);
65 if (cs_mask & (1 << 1))
66 at91_set_pio_output(AT91_PIO_PORTA, 7, 1);
67 if (cs_mask & (1 << 2))
68 at91_set_pio_output(AT91_PIO_PORTA, 1, 1);
69 if (cs_mask & (1 << 3))
70 at91_set_pio_output(AT91_PIO_PORTB, 3, 1);
71}
72
73void at91_spi1_hw_init(unsigned long cs_mask)
74{
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75 at91_set_b_periph(AT91_PIO_PORTA, 21, 0); /* SPI1_MISO */
76 at91_set_b_periph(AT91_PIO_PORTA, 22, 0); /* SPI1_MOSI */
77 at91_set_b_periph(AT91_PIO_PORTA, 23, 0); /* SPI1_SPCK */
78
eced5a7e 79 at91_periph_clk_enable(ATMEL_ID_SPI1);
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80
81 if (cs_mask & (1 << 0))
82 at91_set_pio_output(AT91_PIO_PORTA, 8, 1);
83 if (cs_mask & (1 << 1))
84 at91_set_pio_output(AT91_PIO_PORTA, 0, 1);
85 if (cs_mask & (1 << 2))
86 at91_set_pio_output(AT91_PIO_PORTA, 31, 1);
87 if (cs_mask & (1 << 3))
88 at91_set_pio_output(AT91_PIO_PORTA, 30, 1);
89}
90#endif
91
92void at91_mci_hw_init(void)
93{
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94 at91_set_a_periph(AT91_PIO_PORTA, 17, 0); /* MCCK */
95 at91_set_a_periph(AT91_PIO_PORTA, 16, 0); /* MCCDA */
96 at91_set_a_periph(AT91_PIO_PORTA, 15, 0); /* MCDA0 */
97 at91_set_a_periph(AT91_PIO_PORTA, 18, 0); /* MCDA1 */
98 at91_set_a_periph(AT91_PIO_PORTA, 19, 0); /* MCDA2 */
99 at91_set_a_periph(AT91_PIO_PORTA, 20, 0); /* MCDA3 */
100
eced5a7e 101 at91_periph_clk_enable(ATMEL_ID_HSMCI0);
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102}
103
104#ifdef CONFIG_LCD
105void at91_lcd_hw_init(void)
106{
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107 at91_set_a_periph(AT91_PIO_PORTC, 24, 0); /* LCDDPWR */
108 at91_set_a_periph(AT91_PIO_PORTC, 26, 0); /* LCDVSYNC */
109 at91_set_a_periph(AT91_PIO_PORTC, 27, 0); /* LCDHSYNC */
110 at91_set_a_periph(AT91_PIO_PORTC, 28, 0); /* LCDDOTCK */
111 at91_set_a_periph(AT91_PIO_PORTC, 29, 0); /* LCDDEN */
112 at91_set_a_periph(AT91_PIO_PORTC, 30, 0); /* LCDDOTCK */
113
114 at91_set_a_periph(AT91_PIO_PORTC, 0, 0); /* LCDD0 */
115 at91_set_a_periph(AT91_PIO_PORTC, 1, 0); /* LCDD1 */
116 at91_set_a_periph(AT91_PIO_PORTC, 2, 0); /* LCDD2 */
117 at91_set_a_periph(AT91_PIO_PORTC, 3, 0); /* LCDD3 */
118 at91_set_a_periph(AT91_PIO_PORTC, 4, 0); /* LCDD4 */
119 at91_set_a_periph(AT91_PIO_PORTC, 5, 0); /* LCDD5 */
120 at91_set_a_periph(AT91_PIO_PORTC, 6, 0); /* LCDD6 */
121 at91_set_a_periph(AT91_PIO_PORTC, 7, 0); /* LCDD7 */
122 at91_set_a_periph(AT91_PIO_PORTC, 8, 0); /* LCDD8 */
123 at91_set_a_periph(AT91_PIO_PORTC, 9, 0); /* LCDD9 */
124 at91_set_a_periph(AT91_PIO_PORTC, 10, 0); /* LCDD10 */
125 at91_set_a_periph(AT91_PIO_PORTC, 11, 0); /* LCDD11 */
126 at91_set_a_periph(AT91_PIO_PORTC, 12, 0); /* LCDD12 */
127 at91_set_a_periph(AT91_PIO_PORTC, 13, 0); /* LCDD13 */
128 at91_set_a_periph(AT91_PIO_PORTC, 14, 0); /* LCDD14 */
129 at91_set_a_periph(AT91_PIO_PORTC, 15, 0); /* LCDD15 */
130 at91_set_a_periph(AT91_PIO_PORTC, 16, 0); /* LCDD16 */
131 at91_set_a_periph(AT91_PIO_PORTC, 17, 0); /* LCDD17 */
132 at91_set_a_periph(AT91_PIO_PORTC, 18, 0); /* LCDD18 */
133 at91_set_a_periph(AT91_PIO_PORTC, 19, 0); /* LCDD19 */
134 at91_set_a_periph(AT91_PIO_PORTC, 20, 0); /* LCDD20 */
135 at91_set_a_periph(AT91_PIO_PORTC, 21, 0); /* LCDD21 */
136 at91_set_a_periph(AT91_PIO_PORTC, 22, 0); /* LCDD22 */
137 at91_set_a_periph(AT91_PIO_PORTC, 23, 0); /* LCDD23 */
138
eced5a7e 139 at91_periph_clk_enable(ATMEL_ID_LCDC);
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140}
141#endif
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