Root/arch/arm/mach-s3c2412/mach-smdk2413.c

1/* linux/arch/arm/mach-s3c2412/mach-smdk2413.c
2 *
3 * Copyright (c) 2006 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 *
6 * Thanks to Dimity Andric (TomTom) and Steven Ryu (Samsung) for the
7 * loans of SMDK2413 to work with.
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12*/
13
14#include <linux/kernel.h>
15#include <linux/types.h>
16#include <linux/interrupt.h>
17#include <linux/list.h>
18#include <linux/timer.h>
19#include <linux/init.h>
20#include <linux/gpio.h>
21#include <linux/serial_core.h>
22#include <linux/platform_device.h>
23#include <linux/io.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 <asm/hardware/iomd.h>
31#include <asm/setup.h>
32#include <asm/irq.h>
33#include <asm/mach-types.h>
34
35//#include <asm/debug-ll.h>
36#include <plat/regs-serial.h>
37#include <mach/regs-gpio.h>
38#include <mach/regs-lcd.h>
39
40#include <mach/idle.h>
41#include <plat/udc.h>
42#include <plat/iic.h>
43#include <mach/fb.h>
44
45#include <plat/s3c2410.h>
46#include <plat/s3c2412.h>
47#include <plat/clock.h>
48#include <plat/devs.h>
49#include <plat/cpu.h>
50
51#include <plat/common-smdk.h>
52
53static struct map_desc smdk2413_iodesc[] __initdata = {
54};
55
56static struct s3c2410_uartcfg smdk2413_uartcfgs[] __initdata = {
57    [0] = {
58        .hwport = 0,
59        .flags = 0,
60        .ucon = 0x3c5,
61        .ulcon = 0x03,
62        .ufcon = 0x51,
63    },
64    [1] = {
65        .hwport = 1,
66        .flags = 0,
67        .ucon = 0x3c5,
68        .ulcon = 0x03,
69        .ufcon = 0x51,
70    },
71    /* IR port */
72    [2] = {
73        .hwport = 2,
74        .flags = 0,
75        .ucon = 0x3c5,
76        .ulcon = 0x43,
77        .ufcon = 0x51,
78    }
79};
80
81static void smdk2413_udc_pullup(enum s3c2410_udc_cmd_e cmd)
82{
83    printk(KERN_DEBUG "udc: pullup(%d)\n",cmd);
84
85    switch (cmd)
86    {
87        case S3C2410_UDC_P_ENABLE :
88            gpio_set_value(S3C2410_GPF(2), 1);
89            break;
90        case S3C2410_UDC_P_DISABLE :
91            gpio_set_value(S3C2410_GPF(2), 0);
92            break;
93        case S3C2410_UDC_P_RESET :
94            break;
95        default:
96            break;
97    }
98}
99
100
101static struct s3c2410_udc_mach_info smdk2413_udc_cfg __initdata = {
102    .udc_command = smdk2413_udc_pullup,
103};
104
105
106static struct platform_device *smdk2413_devices[] __initdata = {
107    &s3c_device_ohci,
108    &s3c_device_wdt,
109    &s3c_device_i2c0,
110    &s3c_device_iis,
111    &s3c_device_usbgadget,
112};
113
114static void __init smdk2413_fixup(struct machine_desc *desc,
115                  struct tag *tags, char **cmdline,
116                  struct meminfo *mi)
117{
118    if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
119        mi->nr_banks=1;
120        mi->bank[0].start = 0x30000000;
121        mi->bank[0].size = SZ_64M;
122    }
123}
124
125static void __init smdk2413_map_io(void)
126{
127    s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc));
128    s3c24xx_init_clocks(12000000);
129    s3c24xx_init_uarts(smdk2413_uartcfgs, ARRAY_SIZE(smdk2413_uartcfgs));
130}
131
132static void __init smdk2413_machine_init(void)
133{ /* Turn off suspend on both USB ports, and switch the
134     * selectable USB port to USB device mode. */
135
136    WARN_ON(gpio_request(S3C2410_GPF(2), "udc pull"));
137    gpio_direction_output(S3C2410_GPF(2), 0);
138
139    s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
140                  S3C2410_MISCCR_USBSUSPND0 |
141                  S3C2410_MISCCR_USBSUSPND1, 0x0);
142
143
144     s3c24xx_udc_set_platdata(&smdk2413_udc_cfg);
145    s3c_i2c0_set_platdata(NULL);
146
147    platform_add_devices(smdk2413_devices, ARRAY_SIZE(smdk2413_devices));
148    smdk_machine_init();
149}
150
151MACHINE_START(S3C2413, "S3C2413")
152    /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
153    .boot_params = S3C2410_SDRAM_PA + 0x100,
154
155    .fixup = smdk2413_fixup,
156    .init_irq = s3c24xx_init_irq,
157    .map_io = smdk2413_map_io,
158    .init_machine = smdk2413_machine_init,
159    .timer = &s3c24xx_timer,
160MACHINE_END
161
162MACHINE_START(SMDK2412, "SMDK2412")
163    /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
164    .boot_params = S3C2410_SDRAM_PA + 0x100,
165
166    .fixup = smdk2413_fixup,
167    .init_irq = s3c24xx_init_irq,
168    .map_io = smdk2413_map_io,
169    .init_machine = smdk2413_machine_init,
170    .timer = &s3c24xx_timer,
171MACHINE_END
172
173MACHINE_START(SMDK2413, "SMDK2413")
174    /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
175    .boot_params = S3C2410_SDRAM_PA + 0x100,
176
177    .fixup = smdk2413_fixup,
178    .init_irq = s3c24xx_init_irq,
179    .map_io = smdk2413_map_io,
180    .init_machine = smdk2413_machine_init,
181    .timer = &s3c24xx_timer,
182MACHINE_END
183

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