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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> | |
c20b4dd3 | 34 | #include <mach/stamp9g20.h> |
abf0c1bc PG |
35 | |
36 | #include "sam9_smc.h" | |
37 | #include "generic.h" | |
38 | ||
39 | ||
40 | static void __init pcontrol_g20_map_io(void) | |
41 | { | |
c20b4dd3 | 42 | stamp9g20_map_io(); |
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43 | |
44 | /* USART0 on ttyS1. (Rx, Tx, CTS, RTS) piggyback A2 */ | |
45 | at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | |
46 | | ATMEL_UART_RTS); | |
47 | ||
48 | /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) isolated RS485 X5 */ | |
49 | at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | |
50 | | ATMEL_UART_RTS); | |
51 | ||
52 | /* USART2 on ttyS3. (Rx, Tx) 9bit-Bus Multidrop-mode X4 */ | |
53 | at91_register_uart(AT91SAM9260_ID_US4, 3, 0); | |
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54 | } |
55 | ||
56 | ||
57 | static void __init init_irq(void) | |
58 | { | |
59 | at91sam9260_init_interrupts(NULL); | |
60 | } | |
61 | ||
62 | ||
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63 | static struct sam9_smc_config __initdata pcontrol_smc_config[2] = { { |
64 | .ncs_read_setup = 16, | |
65 | .nrd_setup = 18, | |
66 | .ncs_write_setup = 16, | |
67 | .nwe_setup = 18, | |
68 | ||
69 | .ncs_read_pulse = 63, | |
70 | .nrd_pulse = 55, | |
71 | .ncs_write_pulse = 63, | |
72 | .nwe_pulse = 55, | |
73 | ||
74 | .read_cycle = 127, | |
75 | .write_cycle = 127, | |
76 | ||
77 | .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | |
78 | | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_SELECT | |
79 | | AT91_SMC_DBW_8 | AT91_SMC_PS_4 | |
80 | | AT91_SMC_TDFMODE, | |
81 | .tdf_cycles = 3, | |
82 | }, { | |
83 | .ncs_read_setup = 0, | |
84 | .nrd_setup = 0, | |
85 | .ncs_write_setup = 0, | |
86 | .nwe_setup = 1, | |
87 | ||
88 | .ncs_read_pulse = 8, | |
89 | .nrd_pulse = 8, | |
90 | .ncs_write_pulse = 5, | |
91 | .nwe_pulse = 4, | |
92 | ||
93 | .read_cycle = 8, | |
94 | .write_cycle = 7, | |
95 | ||
96 | .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | |
97 | | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_SELECT | |
98 | | AT91_SMC_DBW_16 | AT91_SMC_PS_8 | |
99 | | AT91_SMC_TDFMODE, | |
100 | .tdf_cycles = 1, | |
101 | } }; | |
102 | ||
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103 | static void __init add_device_pcontrol(void) |
104 | { | |
105 | /* configure chip-select 4 (IO compatible to 8051 X4 ) */ | |
106 | sam9_smc_configure(4, &pcontrol_smc_config[0]); | |
107 | /* configure chip-select 7 (FerroRAM 256KiBx16bit MR2A16A D4 ) */ | |
108 | sam9_smc_configure(7, &pcontrol_smc_config[1]); | |
109 | } | |
110 | ||
111 | ||
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112 | /* |
113 | * USB Host port | |
114 | */ | |
115 | static struct at91_usbh_data __initdata usbh_data = { | |
116 | .ports = 2, | |
117 | }; | |
118 | ||
119 | ||
120 | /* | |
121 | * USB Device port | |
122 | */ | |
123 | static struct at91_udc_data __initdata pcontrol_g20_udc_data = { | |
124 | .vbus_pin = AT91_PIN_PA22, /* Detect +5V bus voltage */ | |
125 | .pullup_pin = AT91_PIN_PA4, /* K-state, active low */ | |
126 | }; | |
127 | ||
128 | ||
129 | /* | |
130 | * MACB Ethernet device | |
131 | */ | |
132 | static struct at91_eth_data __initdata macb_data = { | |
133 | .phy_irq_pin = AT91_PIN_PA28, | |
134 | .is_rmii = 1, | |
135 | }; | |
136 | ||
137 | ||
138 | /* | |
139 | * I2C devices: eeprom and phy/switch | |
140 | */ | |
141 | static struct i2c_board_info __initdata pcontrol_g20_i2c_devices[] = { | |
142 | { /* D7 address width=2, 8KiB */ | |
143 | I2C_BOARD_INFO("24c64", 0x50) | |
144 | }, { /* D8 address width=1, 1 byte has 32 bits! */ | |
145 | I2C_BOARD_INFO("lan9303", 0x0a) | |
146 | }, }; | |
147 | ||
148 | ||
149 | /* | |
150 | * LEDs | |
151 | */ | |
152 | static struct gpio_led pcontrol_g20_leds[] = { | |
153 | { | |
154 | .name = "LED1", /* red H5 */ | |
155 | .gpio = AT91_PIN_PB18, | |
156 | .active_low = 1, | |
157 | .default_trigger = "none", /* supervisor */ | |
158 | }, { | |
159 | .name = "LED2", /* yellow H7 */ | |
160 | .gpio = AT91_PIN_PB19, | |
161 | .active_low = 1, | |
162 | .default_trigger = "mmc0", /* SD-card activity */ | |
163 | }, { | |
164 | .name = "LED3", /* green H2 */ | |
165 | .gpio = AT91_PIN_PB20, | |
166 | .active_low = 1, | |
167 | .default_trigger = "heartbeat", /* blinky */ | |
168 | }, { | |
169 | .name = "LED4", /* red H3 */ | |
170 | .gpio = AT91_PIN_PC6, | |
171 | .active_low = 1, | |
172 | .default_trigger = "none", /* connection lost */ | |
173 | }, { | |
174 | .name = "LED5", /* yellow H6 */ | |
175 | .gpio = AT91_PIN_PC7, | |
176 | .active_low = 1, | |
177 | .default_trigger = "none", /* unsent data */ | |
178 | }, { | |
179 | .name = "LED6", /* green H1 */ | |
180 | .gpio = AT91_PIN_PC9, | |
181 | .active_low = 1, | |
182 | .default_trigger = "none", /* snafu */ | |
183 | } | |
184 | }; | |
185 | ||
186 | ||
187 | /* | |
188 | * SPI devices | |
189 | */ | |
190 | static struct spi_board_info pcontrol_g20_spi_devices[] = { | |
191 | { | |
192 | .modalias = "spidev", /* HMI port X4 */ | |
193 | .chip_select = 1, | |
194 | .max_speed_hz = 50 * 1000 * 1000, | |
195 | .bus_num = 0, | |
196 | }, { | |
197 | .modalias = "spidev", /* piggyback A2 */ | |
198 | .chip_select = 0, | |
199 | .max_speed_hz = 50 * 1000 * 1000, | |
200 | .bus_num = 1, | |
201 | }, | |
202 | }; | |
203 | ||
204 | ||
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205 | static void __init pcontrol_g20_board_init(void) |
206 | { | |
c20b4dd3 | 207 | stamp9g20_board_init(); |
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208 | at91_add_device_usbh(&usbh_data); |
209 | at91_add_device_eth(&macb_data); | |
210 | at91_add_device_i2c(pcontrol_g20_i2c_devices, | |
211 | ARRAY_SIZE(pcontrol_g20_i2c_devices)); | |
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212 | add_device_pcontrol(); |
213 | at91_add_device_spi(pcontrol_g20_spi_devices, | |
214 | ARRAY_SIZE(pcontrol_g20_spi_devices)); | |
215 | at91_add_device_udc(&pcontrol_g20_udc_data); | |
216 | at91_gpio_leds(pcontrol_g20_leds, | |
217 | ARRAY_SIZE(pcontrol_g20_leds)); | |
218 | /* piggyback A2 */ | |
219 | at91_set_gpio_output(AT91_PIN_PB31, 1); | |
220 | } | |
221 | ||
222 | ||
223 | MACHINE_START(PCONTROL_G20, "PControl G20") | |
224 | /* Maintainer: pgsellmann@portner-elektronik.at */ | |
225 | .boot_params = AT91_SDRAM_BASE + 0x100, | |
226 | .timer = &at91sam926x_timer, | |
227 | .map_io = pcontrol_g20_map_io, | |
228 | .init_irq = init_irq, | |
229 | .init_machine = pcontrol_g20_board_init, | |
230 | MACHINE_END |