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/at91sam926x_mc.h>
33
34#include "generic.h"
35
36
37/*
38 * Serial port configuration.
39 *    0 .. 3 = USART0 .. USART3
40 *    4      = DBGU
41 */
42static 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
48static 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
57static void __init ek_init_irq(void)
58{
59	at91sam9rl_init_interrupts(NULL);
60}
61
62
63/*
64 * MCI (SD/MMC)
65 */
66static 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 */
77static 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
90static 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
96static 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 */
110static 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)
124static 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
140static 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
156static 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 */
165static 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
175static struct atmel_lcdfb_info __initdata ek_lcdc_data;
176#endif
177
178
179static void __init ek_board_init(void)
180{
181	/* Serial */
182	at91_add_device_serial();
183	/* I2C */
184	at91_add_device_i2c();
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
195MACHINE_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,
204MACHINE_END
205