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diff --git a/arch/arm/mach-at91/board-pcontrol-g20.c b/arch/arm/mach-at91/board-pcontrol-g20.c
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1/*
2 * Copyright (C) 2010 Christian Glindkamp <christian.glindkamp@taskit.de>
3 * taskit GmbH
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19/*
20 * copied and adjusted from board-stamp9g20.c
21 * by Peter Gsellmann <pgsellmann@portner-elektronik.at>
22 */
23
24#include <linux/mm.h>
25#include <linux/platform_device.h>
26#include <linux/gpio.h>
27#include <linux/w1-gpio.h>
28
29#include <asm/mach-types.h>
30#include <asm/mach/arch.h>
31
32#include <mach/board.h>
33#include <mach/at91sam9_smc.h>
34
35#include "sam9_smc.h"
36#include "generic.h"
37
38
39static void __init pcontrol_g20_map_io(void)
40{
41 /* Initialize processor: 18.432 MHz crystal */
42 at91sam9260_initialize(18432000);
43
44 /* DGBU on ttyS0. (Rx, Tx) only TTL -> JTAG connector X7 17,19 ) */
45 at91_register_uart(0, 0, 0);
46
47 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS) piggyback A2 */
48 at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS
49 | ATMEL_UART_RTS);
50
51 /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) isolated RS485 X5 */
52 at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS
53 | ATMEL_UART_RTS);
54
55 /* USART2 on ttyS3. (Rx, Tx) 9bit-Bus Multidrop-mode X4 */
56 at91_register_uart(AT91SAM9260_ID_US4, 3, 0);
57
58 /* set serial console to ttyS0 (ie, DBGU) */
59 at91_set_serial_console(0);
60}
61
62
63static void __init init_irq(void)
64{
65 at91sam9260_init_interrupts(NULL);
66}
67
68
69/*
70 * NAND flash 512MiB 1,8V 8-bit, sector size 128 KiB
71 */
72static struct atmel_nand_data __initdata nand_data = {
73 .ale = 21,
74 .cle = 22,
75 .rdy_pin = AT91_PIN_PC13,
76 .enable_pin = AT91_PIN_PC14,
77};
78
79/*
80 * Bus timings; unit = 7.57ns
81 */
82static struct sam9_smc_config __initdata nand_smc_config = {
83 .ncs_read_setup = 0,
84 .nrd_setup = 2,
85 .ncs_write_setup = 0,
86 .nwe_setup = 2,
87
88 .ncs_read_pulse = 4,
89 .nrd_pulse = 4,
90 .ncs_write_pulse = 4,
91 .nwe_pulse = 4,
92
93 .read_cycle = 7,
94 .write_cycle = 7,
95
96 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE
97 | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
98 .tdf_cycles = 3,
99};
100
101static struct sam9_smc_config __initdata pcontrol_smc_config[2] = { {
102 .ncs_read_setup = 16,
103 .nrd_setup = 18,
104 .ncs_write_setup = 16,
105 .nwe_setup = 18,
106
107 .ncs_read_pulse = 63,
108 .nrd_pulse = 55,
109 .ncs_write_pulse = 63,
110 .nwe_pulse = 55,
111
112 .read_cycle = 127,
113 .write_cycle = 127,
114
115 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE
116 | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_SELECT
117 | AT91_SMC_DBW_8 | AT91_SMC_PS_4
118 | AT91_SMC_TDFMODE,
119 .tdf_cycles = 3,
120}, {
121 .ncs_read_setup = 0,
122 .nrd_setup = 0,
123 .ncs_write_setup = 0,
124 .nwe_setup = 1,
125
126 .ncs_read_pulse = 8,
127 .nrd_pulse = 8,
128 .ncs_write_pulse = 5,
129 .nwe_pulse = 4,
130
131 .read_cycle = 8,
132 .write_cycle = 7,
133
134 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE
135 | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_SELECT
136 | AT91_SMC_DBW_16 | AT91_SMC_PS_8
137 | AT91_SMC_TDFMODE,
138 .tdf_cycles = 1,
139} };
140
141static void __init add_device_nand(void)
142{
143 /* configure chip-select 3 (NAND) */
144 sam9_smc_configure(3, &nand_smc_config);
145 at91_add_device_nand(&nand_data);
146}
147
148
149static void __init add_device_pcontrol(void)
150{
151 /* configure chip-select 4 (IO compatible to 8051 X4 ) */
152 sam9_smc_configure(4, &pcontrol_smc_config[0]);
153 /* configure chip-select 7 (FerroRAM 256KiBx16bit MR2A16A D4 ) */
154 sam9_smc_configure(7, &pcontrol_smc_config[1]);
155}
156
157
158/*
159 * MCI (SD/MMC)
160 * det_pin, wp_pin and vcc_pin are not connected
161 */
162#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
163static struct mci_platform_data __initdata mmc_data = {
164 .slot[0] = {
165 .bus_width = 4,
166 },
167};
168#else
169static struct at91_mmc_data __initdata mmc_data = {
170 .wire4 = 1,
171};
172#endif
173
174
175/*
176 * USB Host port
177 */
178static struct at91_usbh_data __initdata usbh_data = {
179 .ports = 2,
180};
181
182
183/*
184 * USB Device port
185 */
186static struct at91_udc_data __initdata pcontrol_g20_udc_data = {
187 .vbus_pin = AT91_PIN_PA22, /* Detect +5V bus voltage */
188 .pullup_pin = AT91_PIN_PA4, /* K-state, active low */
189};
190
191
192/*
193 * MACB Ethernet device
194 */
195static struct at91_eth_data __initdata macb_data = {
196 .phy_irq_pin = AT91_PIN_PA28,
197 .is_rmii = 1,
198};
199
200
201/*
202 * I2C devices: eeprom and phy/switch
203 */
204static struct i2c_board_info __initdata pcontrol_g20_i2c_devices[] = {
205{ /* D7 address width=2, 8KiB */
206 I2C_BOARD_INFO("24c64", 0x50)
207}, { /* D8 address width=1, 1 byte has 32 bits! */
208 I2C_BOARD_INFO("lan9303", 0x0a)
209}, };
210
211
212/*
213 * LEDs
214 */
215static struct gpio_led pcontrol_g20_leds[] = {
216 {
217 .name = "LED1", /* red H5 */
218 .gpio = AT91_PIN_PB18,
219 .active_low = 1,
220 .default_trigger = "none", /* supervisor */
221 }, {
222 .name = "LED2", /* yellow H7 */
223 .gpio = AT91_PIN_PB19,
224 .active_low = 1,
225 .default_trigger = "mmc0", /* SD-card activity */
226 }, {
227 .name = "LED3", /* green H2 */
228 .gpio = AT91_PIN_PB20,
229 .active_low = 1,
230 .default_trigger = "heartbeat", /* blinky */
231 }, {
232 .name = "LED4", /* red H3 */
233 .gpio = AT91_PIN_PC6,
234 .active_low = 1,
235 .default_trigger = "none", /* connection lost */
236 }, {
237 .name = "LED5", /* yellow H6 */
238 .gpio = AT91_PIN_PC7,
239 .active_low = 1,
240 .default_trigger = "none", /* unsent data */
241 }, {
242 .name = "LED6", /* green H1 */
243 .gpio = AT91_PIN_PC9,
244 .active_low = 1,
245 .default_trigger = "none", /* snafu */
246 }
247};
248
249
250/*
251 * SPI devices
252 */
253static struct spi_board_info pcontrol_g20_spi_devices[] = {
254 {
255 .modalias = "spidev", /* HMI port X4 */
256 .chip_select = 1,
257 .max_speed_hz = 50 * 1000 * 1000,
258 .bus_num = 0,
259 }, {
260 .modalias = "spidev", /* piggyback A2 */
261 .chip_select = 0,
262 .max_speed_hz = 50 * 1000 * 1000,
263 .bus_num = 1,
264 },
265};
266
267
268/*
269 * Dallas 1-Wire DS2431
270 */
271static struct w1_gpio_platform_data w1_gpio_pdata = {
272 .pin = AT91_PIN_PA29,
273 .is_open_drain = 1,
274};
275
276static struct platform_device w1_device = {
277 .name = "w1-gpio",
278 .id = -1,
279 .dev.platform_data = &w1_gpio_pdata,
280};
281
282static void add_wire1(void)
283{
284 at91_set_GPIO_periph(w1_gpio_pdata.pin, 1);
285 at91_set_multi_drive(w1_gpio_pdata.pin, 1);
286 platform_device_register(&w1_device);
287}
288
289
290static void __init pcontrol_g20_board_init(void)
291{
292 at91_add_device_serial();
293 add_device_nand();
294#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
295 at91_add_device_mci(0, &mmc_data);
296#else
297 at91_add_device_mmc(0, &mmc_data);
298#endif
299 at91_add_device_usbh(&usbh_data);
300 at91_add_device_eth(&macb_data);
301 at91_add_device_i2c(pcontrol_g20_i2c_devices,
302 ARRAY_SIZE(pcontrol_g20_i2c_devices));
303 add_wire1();
304 add_device_pcontrol();
305 at91_add_device_spi(pcontrol_g20_spi_devices,
306 ARRAY_SIZE(pcontrol_g20_spi_devices));
307 at91_add_device_udc(&pcontrol_g20_udc_data);
308 at91_gpio_leds(pcontrol_g20_leds,
309 ARRAY_SIZE(pcontrol_g20_leds));
310 /* piggyback A2 */
311 at91_set_gpio_output(AT91_PIN_PB31, 1);
312}
313
314
315MACHINE_START(PCONTROL_G20, "PControl G20")
316 /* Maintainer: pgsellmann@portner-elektronik.at */
317 .boot_params = AT91_SDRAM_BASE + 0x100,
318 .timer = &at91sam926x_timer,
319 .map_io = pcontrol_g20_map_io,
320 .init_irq = init_irq,
321 .init_machine = pcontrol_g20_board_init,
322MACHINE_END
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-16 04:36:11 -0400