diff options
Diffstat (limited to 'arch/arm/mach-clps711x/board-p720t.c')
-rw-r--r-- | arch/arm/mach-clps711x/board-p720t.c | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/arch/arm/mach-clps711x/board-p720t.c b/arch/arm/mach-clps711x/board-p720t.c new file mode 100644 index 000000000000..1518fc83babd --- /dev/null +++ b/arch/arm/mach-clps711x/board-p720t.c | |||
@@ -0,0 +1,232 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mach-clps711x/p720t.c | ||
3 | * | ||
4 | * Copyright (C) 2000-2001 Deep Blue Solutions Ltd | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License | ||
17 | * along with this program; if not, write to the Free Software | ||
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
19 | */ | ||
20 | #include <linux/kernel.h> | ||
21 | #include <linux/init.h> | ||
22 | #include <linux/types.h> | ||
23 | #include <linux/string.h> | ||
24 | #include <linux/mm.h> | ||
25 | #include <linux/io.h> | ||
26 | #include <linux/slab.h> | ||
27 | #include <linux/leds.h> | ||
28 | #include <linux/sizes.h> | ||
29 | #include <linux/backlight.h> | ||
30 | #include <linux/platform_device.h> | ||
31 | #include <linux/mtd/partitions.h> | ||
32 | #include <linux/mtd/nand-gpio.h> | ||
33 | |||
34 | #include <mach/hardware.h> | ||
35 | #include <asm/pgtable.h> | ||
36 | #include <asm/page.h> | ||
37 | #include <asm/setup.h> | ||
38 | #include <asm/mach-types.h> | ||
39 | #include <asm/mach/arch.h> | ||
40 | #include <asm/mach/map.h> | ||
41 | #include <mach/syspld.h> | ||
42 | |||
43 | #include <video/platform_lcd.h> | ||
44 | |||
45 | #include "common.h" | ||
46 | |||
47 | #define P720T_USERLED CLPS711X_GPIO(3, 0) | ||
48 | #define P720T_NAND_CLE CLPS711X_GPIO(4, 0) | ||
49 | #define P720T_NAND_ALE CLPS711X_GPIO(4, 1) | ||
50 | #define P720T_NAND_NCE CLPS711X_GPIO(4, 2) | ||
51 | |||
52 | #define P720T_NAND_BASE (CLPS711X_SDRAM1_BASE) | ||
53 | |||
54 | static struct resource p720t_nand_resource[] __initdata = { | ||
55 | DEFINE_RES_MEM(P720T_NAND_BASE, SZ_4), | ||
56 | }; | ||
57 | |||
58 | static struct mtd_partition p720t_nand_parts[] __initdata = { | ||
59 | { | ||
60 | .name = "Flash partition 1", | ||
61 | .offset = 0, | ||
62 | .size = SZ_2M, | ||
63 | }, | ||
64 | { | ||
65 | .name = "Flash partition 2", | ||
66 | .offset = MTDPART_OFS_APPEND, | ||
67 | .size = MTDPART_SIZ_FULL, | ||
68 | }, | ||
69 | }; | ||
70 | |||
71 | static struct gpio_nand_platdata p720t_nand_pdata __initdata = { | ||
72 | .gpio_rdy = -1, | ||
73 | .gpio_nce = P720T_NAND_NCE, | ||
74 | .gpio_ale = P720T_NAND_ALE, | ||
75 | .gpio_cle = P720T_NAND_CLE, | ||
76 | .gpio_nwp = -1, | ||
77 | .chip_delay = 15, | ||
78 | .parts = p720t_nand_parts, | ||
79 | .num_parts = ARRAY_SIZE(p720t_nand_parts), | ||
80 | }; | ||
81 | |||
82 | static struct platform_device p720t_nand_pdev __initdata = { | ||
83 | .name = "gpio-nand", | ||
84 | .id = -1, | ||
85 | .resource = p720t_nand_resource, | ||
86 | .num_resources = ARRAY_SIZE(p720t_nand_resource), | ||
87 | .dev = { | ||
88 | .platform_data = &p720t_nand_pdata, | ||
89 | }, | ||
90 | }; | ||
91 | |||
92 | static void p720t_lcd_power_set(struct plat_lcd_data *pd, unsigned int power) | ||
93 | { | ||
94 | if (power) { | ||
95 | PLD_LCDEN = PLD_LCDEN_EN; | ||
96 | PLD_PWR |= PLD_S4_ON | PLD_S2_ON | PLD_S1_ON; | ||
97 | } else { | ||
98 | PLD_PWR &= ~(PLD_S4_ON | PLD_S2_ON | PLD_S1_ON); | ||
99 | PLD_LCDEN = 0; | ||
100 | } | ||
101 | } | ||
102 | |||
103 | static struct plat_lcd_data p720t_lcd_power_pdata = { | ||
104 | .set_power = p720t_lcd_power_set, | ||
105 | }; | ||
106 | |||
107 | static void p720t_lcd_backlight_set_intensity(int intensity) | ||
108 | { | ||
109 | if (intensity) | ||
110 | PLD_PWR |= PLD_S3_ON; | ||
111 | else | ||
112 | PLD_PWR = 0; | ||
113 | } | ||
114 | |||
115 | static struct generic_bl_info p720t_lcd_backlight_pdata = { | ||
116 | .name = "lcd-backlight.0", | ||
117 | .default_intensity = 0x01, | ||
118 | .max_intensity = 0x01, | ||
119 | .set_bl_intensity = p720t_lcd_backlight_set_intensity, | ||
120 | }; | ||
121 | |||
122 | /* | ||
123 | * Map the P720T system PLD. It occupies two address spaces: | ||
124 | * 0x10000000 and 0x10400000. We map both regions as one. | ||
125 | */ | ||
126 | static struct map_desc p720t_io_desc[] __initdata = { | ||
127 | { | ||
128 | .virtual = SYSPLD_VIRT_BASE, | ||
129 | .pfn = __phys_to_pfn(SYSPLD_PHYS_BASE), | ||
130 | .length = SZ_8M, | ||
131 | .type = MT_DEVICE, | ||
132 | }, | ||
133 | }; | ||
134 | |||
135 | static void __init | ||
136 | fixup_p720t(struct tag *tag, char **cmdline, struct meminfo *mi) | ||
137 | { | ||
138 | /* | ||
139 | * Our bootloader doesn't setup any tags (yet). | ||
140 | */ | ||
141 | if (tag->hdr.tag != ATAG_CORE) { | ||
142 | tag->hdr.tag = ATAG_CORE; | ||
143 | tag->hdr.size = tag_size(tag_core); | ||
144 | tag->u.core.flags = 0; | ||
145 | tag->u.core.pagesize = PAGE_SIZE; | ||
146 | tag->u.core.rootdev = 0x0100; | ||
147 | |||
148 | tag = tag_next(tag); | ||
149 | tag->hdr.tag = ATAG_MEM; | ||
150 | tag->hdr.size = tag_size(tag_mem32); | ||
151 | tag->u.mem.size = 4096; | ||
152 | tag->u.mem.start = PHYS_OFFSET; | ||
153 | |||
154 | tag = tag_next(tag); | ||
155 | tag->hdr.tag = ATAG_NONE; | ||
156 | tag->hdr.size = 0; | ||
157 | } | ||
158 | } | ||
159 | |||
160 | static void __init p720t_map_io(void) | ||
161 | { | ||
162 | clps711x_map_io(); | ||
163 | iotable_init(p720t_io_desc, ARRAY_SIZE(p720t_io_desc)); | ||
164 | } | ||
165 | |||
166 | static void __init p720t_init_early(void) | ||
167 | { | ||
168 | /* | ||
169 | * Power down as much as possible in case we don't | ||
170 | * have the drivers loaded. | ||
171 | */ | ||
172 | PLD_LCDEN = 0; | ||
173 | PLD_PWR &= ~(PLD_S4_ON|PLD_S3_ON|PLD_S2_ON|PLD_S1_ON); | ||
174 | |||
175 | PLD_KBD = 0; | ||
176 | PLD_IO = 0; | ||
177 | PLD_IRDA = 0; | ||
178 | PLD_CODEC = 0; | ||
179 | PLD_TCH = 0; | ||
180 | PLD_SPI = 0; | ||
181 | if (!IS_ENABLED(CONFIG_DEBUG_LL)) { | ||
182 | PLD_COM2 = 0; | ||
183 | PLD_COM1 = 0; | ||
184 | } | ||
185 | } | ||
186 | |||
187 | static struct gpio_led p720t_gpio_leds[] = { | ||
188 | { | ||
189 | .name = "User LED", | ||
190 | .default_trigger = "heartbeat", | ||
191 | .gpio = P720T_USERLED, | ||
192 | }, | ||
193 | }; | ||
194 | |||
195 | static struct gpio_led_platform_data p720t_gpio_led_pdata __initdata = { | ||
196 | .leds = p720t_gpio_leds, | ||
197 | .num_leds = ARRAY_SIZE(p720t_gpio_leds), | ||
198 | }; | ||
199 | |||
200 | static void __init p720t_init(void) | ||
201 | { | ||
202 | platform_device_register(&p720t_nand_pdev); | ||
203 | platform_device_register_data(&platform_bus, "platform-lcd", 0, | ||
204 | &p720t_lcd_power_pdata, | ||
205 | sizeof(p720t_lcd_power_pdata)); | ||
206 | platform_device_register_data(&platform_bus, "generic-bl", 0, | ||
207 | &p720t_lcd_backlight_pdata, | ||
208 | sizeof(p720t_lcd_backlight_pdata)); | ||
209 | platform_device_register_simple("video-clps711x", 0, NULL, 0); | ||
210 | } | ||
211 | |||
212 | static void __init p720t_init_late(void) | ||
213 | { | ||
214 | platform_device_register_data(&platform_bus, "leds-gpio", 0, | ||
215 | &p720t_gpio_led_pdata, | ||
216 | sizeof(p720t_gpio_led_pdata)); | ||
217 | } | ||
218 | |||
219 | MACHINE_START(P720T, "ARM-Prospector720T") | ||
220 | /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ | ||
221 | .atag_offset = 0x100, | ||
222 | .nr_irqs = CLPS711X_NR_IRQS, | ||
223 | .fixup = fixup_p720t, | ||
224 | .map_io = p720t_map_io, | ||
225 | .init_early = p720t_init_early, | ||
226 | .init_irq = clps711x_init_irq, | ||
227 | .timer = &clps711x_timer, | ||
228 | .init_machine = p720t_init, | ||
229 | .init_late = p720t_init_late, | ||
230 | .handle_irq = clps711x_handle_irq, | ||
231 | .restart = clps711x_restart, | ||
232 | MACHINE_END | ||