2 * Copyright (C) 2000, 2001 Blue Mug, Inc. All Rights Reserved.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
10 #include <linux/init.h>
11 #include <linux/gpio.h>
12 #include <linux/delay.h>
13 #include <linux/memblock.h>
14 #include <linux/types.h>
15 #include <linux/interrupt.h>
16 #include <linux/backlight.h>
17 #include <linux/platform_device.h>
19 #include <linux/mtd/physmap.h>
20 #include <linux/mtd/partitions.h>
22 #include <asm/setup.h>
23 #include <asm/mach/map.h>
24 #include <asm/mach/arch.h>
25 #include <asm/mach-types.h>
27 #include <video/platform_lcd.h>
29 #include <mach/hardware.h>
33 #define VIDEORAM_SIZE SZ_128K
35 #define EDB7211_LCD_DC_DC_EN CLPS711X_GPIO(3, 1)
36 #define EDB7211_LCDEN CLPS711X_GPIO(3, 2)
37 #define EDB7211_LCDBL CLPS711X_GPIO(3, 3)
39 #define EDB7211_FLASH0_BASE (CS0_PHYS_BASE)
40 #define EDB7211_FLASH1_BASE (CS1_PHYS_BASE)
41 #define EDB7211_CS8900_BASE (CS2_PHYS_BASE + 0x300)
42 #define EDB7211_CS8900_IRQ (IRQ_EINT3)
44 static struct resource edb7211_cs8900_resource
[] __initdata
= {
45 DEFINE_RES_MEM(EDB7211_CS8900_BASE
, SZ_1K
),
46 DEFINE_RES_IRQ(EDB7211_CS8900_IRQ
),
49 static struct mtd_partition edb7211_flash_partitions
[] __initdata
= {
53 .size
= MTDPART_SIZ_FULL
,
57 static struct physmap_flash_data edb7211_flash_pdata __initdata
= {
59 .parts
= edb7211_flash_partitions
,
60 .nr_parts
= ARRAY_SIZE(edb7211_flash_partitions
),
63 static struct resource edb7211_flash_resources
[] __initdata
= {
64 DEFINE_RES_MEM(EDB7211_FLASH0_BASE
, SZ_8M
),
65 DEFINE_RES_MEM(EDB7211_FLASH1_BASE
, SZ_8M
),
68 static struct platform_device edb7211_flash_pdev __initdata
= {
69 .name
= "physmap-flash",
71 .resource
= edb7211_flash_resources
,
72 .num_resources
= ARRAY_SIZE(edb7211_flash_resources
),
74 .platform_data
= &edb7211_flash_pdata
,
78 static void edb7211_lcd_power_set(struct plat_lcd_data
*pd
, unsigned int power
)
81 gpio_set_value(EDB7211_LCDEN
, 1);
83 gpio_set_value(EDB7211_LCD_DC_DC_EN
, 1);
85 gpio_set_value(EDB7211_LCD_DC_DC_EN
, 0);
87 gpio_set_value(EDB7211_LCDEN
, 0);
91 static struct plat_lcd_data edb7211_lcd_power_pdata
= {
92 .set_power
= edb7211_lcd_power_set
,
95 static void edb7211_lcd_backlight_set_intensity(int intensity
)
97 gpio_set_value(EDB7211_LCDBL
, intensity
);
100 static struct generic_bl_info edb7211_lcd_backlight_pdata
= {
101 .name
= "lcd-backlight.0",
102 .default_intensity
= 0x01,
103 .max_intensity
= 0x01,
104 .set_bl_intensity
= edb7211_lcd_backlight_set_intensity
,
107 static struct gpio edb7211_gpios
[] __initconst
= {
108 { EDB7211_LCD_DC_DC_EN
, GPIOF_OUT_INIT_LOW
, "LCD DC-DC" },
109 { EDB7211_LCDEN
, GPIOF_OUT_INIT_LOW
, "LCD POWER" },
110 { EDB7211_LCDBL
, GPIOF_OUT_INIT_LOW
, "LCD BACKLIGHT" },
113 static struct map_desc edb7211_io_desc
[] __initdata
= {
114 { /* Memory-mapped extra keyboard row */
115 .virtual = IO_ADDRESS(EP7211_PHYS_EXTKBD
),
116 .pfn
= __phys_to_pfn(EP7211_PHYS_EXTKBD
),
122 void __init
edb7211_map_io(void)
125 iotable_init(edb7211_io_desc
, ARRAY_SIZE(edb7211_io_desc
));
128 /* Reserve screen memory region at the start of main system memory. */
129 static void __init
edb7211_reserve(void)
131 memblock_reserve(PHYS_OFFSET
, VIDEORAM_SIZE
);
135 fixup_edb7211(struct tag
*tags
, char **cmdline
, struct meminfo
*mi
)
138 * Bank start addresses are not present in the information
139 * passed in from the boot loader. We could potentially
140 * detect them, but instead we hard-code them.
142 * Banks sizes _are_ present in the param block, but we're
143 * not using that information yet.
145 mi
->bank
[0].start
= 0xc0000000;
146 mi
->bank
[0].size
= SZ_8M
;
147 mi
->bank
[1].start
= 0xc1000000;
148 mi
->bank
[1].size
= SZ_8M
;
152 static void __init
edb7211_init(void)
154 gpio_request_array(edb7211_gpios
, ARRAY_SIZE(edb7211_gpios
));
156 platform_device_register(&edb7211_flash_pdev
);
157 platform_device_register_data(&platform_bus
, "platform-lcd", 0,
158 &edb7211_lcd_power_pdata
,
159 sizeof(edb7211_lcd_power_pdata
));
160 platform_device_register_data(&platform_bus
, "generic-bl", 0,
161 &edb7211_lcd_backlight_pdata
,
162 sizeof(edb7211_lcd_backlight_pdata
));
163 platform_device_register_simple("video-clps711x", 0, NULL
, 0);
164 platform_device_register_simple("cs89x0", 0, edb7211_cs8900_resource
,
165 ARRAY_SIZE(edb7211_cs8900_resource
));
168 MACHINE_START(EDB7211
, "CL-EDB7211 (EP7211 eval board)")
169 /* Maintainer: Jon McClintock */
170 .atag_offset
= VIDEORAM_SIZE
+ 0x100,
171 .nr_irqs
= CLPS711X_NR_IRQS
,
172 .fixup
= fixup_edb7211
,
173 .reserve
= edb7211_reserve
,
174 .map_io
= edb7211_map_io
,
175 .init_irq
= clps711x_init_irq
,
176 .init_time
= clps711x_timer_init
,
177 .init_machine
= edb7211_init
,
178 .handle_irq
= clps711x_handle_irq
,
179 .restart
= clps711x_restart
,