[ARM] 4902/1: [AT91] SAM9/CAP9 memory controller header
[linux-2.6] / arch / arm / mach-at91 / board-sam9rlek.c
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/hardware.h>
22 #include <asm/setup.h>
23 #include <asm/mach-types.h>
24 #include <asm/irq.h>
25
26 #include <asm/mach/arch.h>
27 #include <asm/mach/map.h>
28 #include <asm/mach/irq.h>
29
30 #include <asm/arch/board.h>
31 #include <asm/arch/gpio.h>
32 #include <asm/arch/at91sam9_smc.h>
33
34 #include "generic.h"
35
36
37 /*
38  * Serial port configuration.
39  *    0 .. 3 = USART0 .. USART3
40  *    4      = DBGU
41  */
42 static struct at91_uart_config __initdata ek_uart_config = {
43         .console_tty    = 0,                            /* ttyS0 */
44         .nr_tty         = 2,
45         .tty_map        = { 4, 0, -1, -1, -1 }          /* ttyS0, ..., ttyS4 */
46 };
47
48 static void __init ek_map_io(void)
49 {
50         /* Initialize processor: 12.000 MHz crystal */
51         at91sam9rl_initialize(12000000);
52
53         /* Setup the serial ports and console */
54         at91_init_serial(&ek_uart_config);
55 }
56
57 static void __init ek_init_irq(void)
58 {
59         at91sam9rl_init_interrupts(NULL);
60 }
61
62
63 /*
64  * MCI (SD/MMC)
65  */
66 static struct at91_mmc_data __initdata ek_mmc_data = {
67         .wire4          = 1,
68         .det_pin        = AT91_PIN_PA15,
69 //      .wp_pin         = ... not connected
70 //      .vcc_pin        = ... not connected
71 };
72
73
74 /*
75  * NAND flash
76  */
77 static struct mtd_partition __initdata ek_nand_partition[] = {
78         {
79                 .name   = "Partition 1",
80                 .offset = 0,
81                 .size   = 256 * 1024,
82         },
83         {
84                 .name   = "Partition 2",
85                 .offset = 256 * 1024 ,
86                 .size   = MTDPART_SIZ_FULL,
87         },
88 };
89
90 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
91 {
92         *num_partitions = ARRAY_SIZE(ek_nand_partition);
93         return ek_nand_partition;
94 }
95
96 static struct at91_nand_data __initdata ek_nand_data = {
97         .ale            = 21,
98         .cle            = 22,
99 //      .det_pin        = ... not connected
100         .rdy_pin        = AT91_PIN_PD17,
101         .enable_pin     = AT91_PIN_PB6,
102         .partition_info = nand_partitions,
103         .bus_width_16   = 0,
104 };
105
106
107 /*
108  * SPI devices
109  */
110 static struct spi_board_info ek_spi_devices[] = {
111         {       /* DataFlash chip */
112                 .modalias       = "mtd_dataflash",
113                 .chip_select    = 0,
114                 .max_speed_hz   = 15 * 1000 * 1000,
115                 .bus_num        = 0,
116         },
117 };
118
119
120 /*
121  * LCD Controller
122  */
123 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
124 static struct fb_videomode at91_tft_vga_modes[] = {
125         {
126                 .name           = "TX09D50VM1CCA @ 60",
127                 .refresh        = 60,
128                 .xres           = 240,          .yres           = 320,
129                 .pixclock       = KHZ2PICOS(4965),
130
131                 .left_margin    = 1,            .right_margin   = 33,
132                 .upper_margin   = 1,            .lower_margin   = 0,
133                 .hsync_len      = 5,            .vsync_len      = 1,
134
135                 .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
136                 .vmode          = FB_VMODE_NONINTERLACED,
137         },
138 };
139
140 static struct fb_monspecs at91fb_default_monspecs = {
141         .manufacturer   = "HIT",
142         .monitor        = "TX09D50VM1CCA",
143
144         .modedb         = at91_tft_vga_modes,
145         .modedb_len     = ARRAY_SIZE(at91_tft_vga_modes),
146         .hfmin          = 15000,
147         .hfmax          = 64000,
148         .vfmin          = 50,
149         .vfmax          = 150,
150 };
151
152 #define AT91SAM9RL_DEFAULT_LCDCON2      (ATMEL_LCDC_MEMOR_LITTLE \
153                                         | ATMEL_LCDC_DISTYPE_TFT \
154                                         | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
155
156 static void at91_lcdc_power_control(int on)
157 {
158         if (on)
159                 at91_set_gpio_value(AT91_PIN_PA30, 0);  /* power up */
160         else
161                 at91_set_gpio_value(AT91_PIN_PA30, 1);  /* power down */
162 }
163
164 /* Driver datas */
165 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
166         .default_bpp                    = 16,
167         .default_dmacon                 = ATMEL_LCDC_DMAEN,
168         .default_lcdcon2                = AT91SAM9RL_DEFAULT_LCDCON2,
169         .default_monspecs               = &at91fb_default_monspecs,
170         .atmel_lcdfb_power_control      = at91_lcdc_power_control,
171         .guard_time                     = 1,
172 };
173
174 #else
175 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
176 #endif
177
178
179 static void __init ek_board_init(void)
180 {
181         /* Serial */
182         at91_add_device_serial();
183         /* I2C */
184         at91_add_device_i2c(NULL, 0);
185         /* NAND */
186         at91_add_device_nand(&ek_nand_data);
187         /* SPI */
188         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
189         /* MMC */
190         at91_add_device_mmc(0, &ek_mmc_data);
191         /* LCD Controller */
192         at91_add_device_lcdc(&ek_lcdc_data);
193 }
194
195 MACHINE_START(AT91SAM9RLEK, "Atmel AT91SAM9RL-EK")
196         /* Maintainer: Atmel */
197         .phys_io        = AT91_BASE_SYS,
198         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
199         .boot_params    = AT91_SDRAM_BASE + 0x100,
200         .timer          = &at91sam926x_timer,
201         .map_io         = ek_map_io,
202         .init_irq       = ek_init_irq,
203         .init_machine   = ek_board_init,
204 MACHINE_END