1 /*
2 * Copyright (C) 2005 SAN People
3 * Copyright (C) 2007 Atmel Corporation
4 *
5 * This file is subject to the terms and conditions of the GNU General Public
6 * License. See the file COPYING in the main directory of this archive for
7 * more details.
8 */
9
10 #include <linux/types.h>
11 #include <linux/init.h>
12 #include <linux/mm.h>
13 #include <linux/module.h>
14 #include <linux/platform_device.h>
15 #include <linux/spi/spi.h>
16 #include <linux/fb.h>
17 #include <linux/clk.h>
18
19 #include <video/atmel_lcdc.h>
20
21 #include <asm/setup.h>
22 #include <asm/mach-types.h>
23 #include <asm/irq.h>
24
25 #include <asm/mach/arch.h>
26 #include <asm/mach/map.h>
27 #include <asm/mach/irq.h>
28
29 #include <mach/hardware.h>
30 #include <mach/board.h>
31 #include <mach/gpio.h>
32 #include <mach/at91sam9_smc.h>
33 #include <mach/at91_shdwc.h>
34
35 #include "sam9_smc.h"
36 #include "generic.h"
37
38
39 static void __init ek_map_io(void)
40 {
41 /* Initialize processor: 12.000 MHz crystal */
42 at91sam9rl_initialize(12000000);
43
44 /* DGBU on ttyS0. (Rx & Tx only) */
45 at91_register_uart(0, 0, 0);
46
47 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS) */
48 at91_register_uart(AT91SAM9RL_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS);
49
50 /* set serial console to ttyS0 (ie, DBGU) */
51 at91_set_serial_console(0);
52 }
53
54 static void __init ek_init_irq(void)
55 {
56 at91sam9rl_init_interrupts(NULL);
57 }
58
59
60 /*
61 * USB HS Device port
62 */
63 static struct usba_platform_data __initdata ek_usba_udc_data = {
64 .vbus_pin = AT91_PIN_PA8,
65 };
66
67
68 /*
69 * MCI (SD/MMC)
70 */
71 static struct at91_mmc_data __initdata ek_mmc_data = {
72 .wire4 = 1,
73 .det_pin = AT91_PIN_PA15,
74 // .wp_pin = ... not connected
75 // .vcc_pin = ... not connected
76 };
77
78
79 /*
80 * NAND flash
81 */
82 static struct mtd_partition __initdata ek_nand_partition[] = {
83 {
84 .name = "Partition 1",
85 .offset = 0,
86 .size = SZ_256K,
87 },
88 {
89 .name = "Partition 2",
90 .offset = MTDPART_OFS_NXTBLK,
91 .size = MTDPART_SIZ_FULL,
92 },
93 };
94
95 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
96 {
97 *num_partitions = ARRAY_SIZE(ek_nand_partition);
98 return ek_nand_partition;
99 }
100
101 static struct atmel_nand_data __initdata ek_nand_data = {
102 .ale = 21,
103 .cle = 22,
104 // .det_pin = ... not connected
105 .rdy_pin = AT91_PIN_PD17,
106 .enable_pin = AT91_PIN_PB6,
107 .partition_info = nand_partitions,
108 };
109
110 static struct sam9_smc_config __initdata ek_nand_smc_config = {
111 .ncs_read_setup = 0,
112 .nrd_setup = 1,
113 .ncs_write_setup = 0,
114 .nwe_setup = 1,
115
116 .ncs_read_pulse = 3,
117 .nrd_pulse = 3,
118 .ncs_write_pulse = 3,
119 .nwe_pulse = 3,
120
121 .read_cycle = 5,
122 .write_cycle = 5,
123
124 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
125 .tdf_cycles = 2,
126 };
127
128 static void __init ek_add_device_nand(void)
129 {
130 /* configure chip-select 3 (NAND) */
131 sam9_smc_configure(3, &ek_nand_smc_config);
132
133 at91_add_device_nand(&ek_nand_data);
134 }
135
136
137 /*
138 * SPI devices
139 */
140 static struct spi_board_info ek_spi_devices[] = {
141 { /* DataFlash chip */
142 .modalias = "mtd_dataflash",
143 .chip_select = 0,
144 .max_speed_hz = 15 * 1000 * 1000,
145 .bus_num = 0,
146 },
147 };
148
149
150 /*
151 * LCD Controller
152 */
153 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
154 static struct fb_videomode at91_tft_vga_modes[] = {
155 {
156 .name = "TX09D50VM1CCA @ 60",
157 .refresh = 60,
158 .xres = 240, .yres = 320,
159 .pixclock = KHZ2PICOS(4965),
160
161 .left_margin = 1, .right_margin = 33,
162 .upper_margin = 1, .lower_margin = 0,
163 .hsync_len = 5, .vsync_len = 1,
164
165 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
166 .vmode = FB_VMODE_NONINTERLACED,
167 },
168 };
169
170 static struct fb_monspecs at91fb_default_monspecs = {
171 .manufacturer = "HIT",
172 .monitor = "TX09D50VM1CCA",
173
174 .modedb = at91_tft_vga_modes,
175 .modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
176 .hfmin = 15000,
177 .hfmax = 64000,
178 .vfmin = 50,
179 .vfmax = 150,
180 };
181
182 #define AT91SAM9RL_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
183 | ATMEL_LCDC_DISTYPE_TFT \
184 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
185
186 static void at91_lcdc_power_control(int on)
187 {
188 if (on)
189 at91_set_gpio_value(AT91_PIN_PC1, 0); /* power up */
190 else
191 at91_set_gpio_value(AT91_PIN_PC1, 1); /* power down */
192 }
193
194 /* Driver datas */
195 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
196 .lcdcon_is_backlight = true,
197 .default_bpp = 16,
198 .default_dmacon = ATMEL_LCDC_DMAEN,
199 .default_lcdcon2 = AT91SAM9RL_DEFAULT_LCDCON2,
200 .default_monspecs = &at91fb_default_monspecs,
201 .atmel_lcdfb_power_control = at91_lcdc_power_control,
202 .guard_time = 1,
203 .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
204 };
205
206 #else
207 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
208 #endif
209
210
211 static void __init ek_board_init(void)
212 {
213 /* Serial */
214 at91_add_device_serial();
215 /* USB HS */
216 at91_add_device_usba(&ek_usba_udc_data);
217 /* I2C */
218 at91_add_device_i2c(NULL, 0);
219 /* NAND */
220 ek_add_device_nand();
221 /* SPI */
222 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
223 /* MMC */
224 at91_add_device_mmc(0, &ek_mmc_data);
225 /* LCD Controller */
226 at91_add_device_lcdc(&ek_lcdc_data);
227 /* Touch Screen Controller */
228 at91_add_device_tsadcc();
229 }
230
231 MACHINE_START(AT91SAM9RLEK, "Atmel AT91SAM9RL-EK")
232 /* Maintainer: Atmel */
233 .phys_io = AT91_BASE_SYS,
234 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
235 .boot_params = AT91_SDRAM_BASE + 0x100,
236 .timer = &at91sam926x_timer,
237 .map_io = ek_map_io,
238 .init_irq = ek_init_irq,
239 .init_machine = ek_board_init,
240 MACHINE_END
241
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