1
2
3
4
5
6
7
8
9
10#include <linux/clk.h>
11#include <linux/err.h>
12#include <linux/init.h>
13#include <linux/kernel.h>
14#include <linux/platform_device.h>
15#include <linux/string.h>
16#include <linux/types.h>
17
18#include <linux/spi/at73c213.h>
19#include <linux/spi/spi.h>
20#include <linux/atmel-mci.h>
21
22#include <asm/setup.h>
23
24#include <mach/at32ap700x.h>
25#include <mach/board.h>
26#include <mach/init.h>
27#include <mach/portmux.h>
28
29#include "atstk1000.h"
30
31
32unsigned long at32_board_osc_rates[3] = {
33 [0] = 32768,
34 [1] = 20000000,
35 [2] = 12000000,
36};
37
38#ifdef CONFIG_BOARD_ATSTK1000_EXTDAC
39static struct at73c213_board_info at73c213_data = {
40 .ssc_id = 0,
41 .shortname = "AVR32 STK1000 external DAC",
42};
43#endif
44
45#ifndef CONFIG_BOARD_ATSTK100X_SW1_CUSTOM
46static struct spi_board_info spi0_board_info[] __initdata = {
47#ifdef CONFIG_BOARD_ATSTK1000_EXTDAC
48 {
49
50 .modalias = "at73c213",
51 .max_speed_hz = 200000,
52 .chip_select = 0,
53 .mode = SPI_MODE_1,
54 .platform_data = &at73c213_data,
55 },
56#endif
57
58
59
60
61};
62#endif
63
64#ifdef CONFIG_BOARD_ATSTK100X_SPI1
65static struct spi_board_info spi1_board_info[] __initdata = { {
66
67} };
68#endif
69
70#ifndef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
71static struct mci_platform_data __initdata mci0_data = {
72 .slot[0] = {
73 .bus_width = 4,
74 .detect_pin = -ENODEV,
75 .wp_pin = -ENODEV,
76 },
77};
78#endif
79
80#ifdef CONFIG_BOARD_ATSTK1000_EXTDAC
81static void __init atstk1003_setup_extdac(void)
82{
83 struct clk *gclk;
84 struct clk *pll;
85
86 gclk = clk_get(NULL, "gclk0");
87 if (IS_ERR(gclk))
88 goto err_gclk;
89 pll = clk_get(NULL, "pll0");
90 if (IS_ERR(pll))
91 goto err_pll;
92
93 if (clk_set_parent(gclk, pll)) {
94 pr_debug("STK1000: failed to set pll0 as parent for DAC clock\n");
95 goto err_set_clk;
96 }
97
98 at32_select_periph(GPIO_PIOA_BASE, (1 << 30), GPIO_PERIPH_A, 0);
99 at73c213_data.dac_clk = gclk;
100
101err_set_clk:
102 clk_put(pll);
103err_pll:
104 clk_put(gclk);
105err_gclk:
106 return;
107}
108#else
109static void __init atstk1003_setup_extdac(void)
110{
111
112}
113#endif
114
115void __init setup_board(void)
116{
117#ifdef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
118 at32_map_usart(0, 1, 0);
119#else
120 at32_map_usart(1, 0, 0);
121#endif
122
123 at32_map_usart(3, 2, 0);
124
125 at32_setup_serial_console(0);
126}
127
128static int __init atstk1003_init(void)
129{
130
131
132
133
134 at32_reserve_pin(GPIO_PIOE_BASE, ATMEL_EBI_PE_DATA_ALL);
135
136#ifdef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
137 at32_add_device_usart(1);
138#else
139 at32_add_device_usart(0);
140#endif
141 at32_add_device_usart(2);
142
143#ifndef CONFIG_BOARD_ATSTK100X_SW1_CUSTOM
144 at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
145#endif
146#ifdef CONFIG_BOARD_ATSTK100X_SPI1
147 at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
148#endif
149#ifndef CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
150 at32_add_device_mci(0, &mci0_data);
151#endif
152 at32_add_device_usba(0, NULL);
153#ifndef CONFIG_BOARD_ATSTK100X_SW3_CUSTOM
154 at32_add_device_ssc(0, ATMEL_SSC_TX);
155#endif
156
157 atstk1000_setup_j2_leds();
158 atstk1003_setup_extdac();
159
160 return 0;
161}
162postcore_initcall(atstk1003_init);
163