1 // SPDX-License-Identifier: GPL-2.0
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 #include <linux/kernel.h>
10 #include <linux/types.h>
11 #include <linux/interrupt.h>
12 #include <linux/list.h>
13 #include <linux/timer.h>
14 #include <linux/init.h>
15 #include <linux/gpio.h>
16 #include <linux/serial_core.h>
17 #include <linux/serial_s3c.h>
18 #include <linux/platform_device.h>
19 #include <linux/io.h>
20 #include <linux/memblock.h>
21
22 #include <asm/mach/arch.h>
23 #include <asm/mach/map.h>
24 #include <asm/mach/irq.h>
25
26 #include <mach/hardware.h>
27 #include <asm/hardware/iomd.h>
28 #include <asm/setup.h>
29 #include <asm/irq.h>
30 #include <asm/mach-types.h>
31
32 //#include <asm/debug-ll.h>
33 #include <mach/regs-gpio.h>
34 #include <mach/regs-lcd.h>
35
36 #include <linux/platform_data/usb-s3c2410_udc.h>
37 #include <linux/platform_data/i2c-s3c2410.h>
38 #include <mach/gpio-samsung.h>
39 #include <mach/fb.h>
40
41 #include <plat/devs.h>
42 #include <plat/cpu.h>
43 #include <plat/samsung-time.h>
44
45 #include "common.h"
46 #include "common-smdk.h"
47
48 static struct map_desc smdk2413_iodesc[] __initdata = {
49 };
50
51 static struct s3c2410_uartcfg smdk2413_uartcfgs[] __initdata = {
52 [0] = {
53 .hwport = 0,
54 .flags = 0,
55 .ucon = 0x3c5,
56 .ulcon = 0x03,
57 .ufcon = 0x51,
58 },
59 [1] = {
60 .hwport = 1,
61 .flags = 0,
62 .ucon = 0x3c5,
63 .ulcon = 0x03,
64 .ufcon = 0x51,
65 },
66 /* IR port */
67 [2] = {
68 .hwport = 2,
69 .flags = 0,
70 .ucon = 0x3c5,
71 .ulcon = 0x43,
72 .ufcon = 0x51,
73 }
74 };
75
76
77 static struct s3c2410_udc_mach_info smdk2413_udc_cfg __initdata = {
78 .pullup_pin = S3C2410_GPF(2),
79 };
80
81
82 static struct platform_device *smdk2413_devices[] __initdata = {
83 &s3c_device_ohci,
84 &s3c_device_wdt,
85 &s3c_device_i2c0,
86 &s3c_device_iis,
87 &s3c_device_usbgadget,
88 &s3c2412_device_dma,
89 };
90
smdk2413_fixup(struct tag * tags,char ** cmdline)91 static void __init smdk2413_fixup(struct tag *tags, char **cmdline)
92 {
93 if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
94 memblock_add(0x30000000, SZ_64M);
95 }
96 }
97
smdk2413_map_io(void)98 static void __init smdk2413_map_io(void)
99 {
100 s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc));
101 s3c24xx_init_uarts(smdk2413_uartcfgs, ARRAY_SIZE(smdk2413_uartcfgs));
102 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
103 }
104
smdk2413_init_time(void)105 static void __init smdk2413_init_time(void)
106 {
107 s3c2412_init_clocks(12000000);
108 samsung_timer_init();
109 }
110
smdk2413_machine_init(void)111 static void __init smdk2413_machine_init(void)
112 { /* Turn off suspend on both USB ports, and switch the
113 * selectable USB port to USB device mode. */
114
115 s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
116 S3C2410_MISCCR_USBSUSPND0 |
117 S3C2410_MISCCR_USBSUSPND1, 0x0);
118
119
120 s3c24xx_udc_set_platdata(&smdk2413_udc_cfg);
121 s3c_i2c0_set_platdata(NULL);
122
123 platform_add_devices(smdk2413_devices, ARRAY_SIZE(smdk2413_devices));
124 smdk_machine_init();
125 }
126
127 MACHINE_START(S3C2413, "S3C2413")
128 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
129 .atag_offset = 0x100,
130
131 .fixup = smdk2413_fixup,
132 .init_irq = s3c2412_init_irq,
133 .map_io = smdk2413_map_io,
134 .init_machine = smdk2413_machine_init,
135 .init_time = samsung_timer_init,
136 MACHINE_END
137
138 MACHINE_START(SMDK2412, "SMDK2412")
139 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
140 .atag_offset = 0x100,
141
142 .fixup = smdk2413_fixup,
143 .init_irq = s3c2412_init_irq,
144 .map_io = smdk2413_map_io,
145 .init_machine = smdk2413_machine_init,
146 .init_time = samsung_timer_init,
147 MACHINE_END
148
149 MACHINE_START(SMDK2413, "SMDK2413")
150 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
151 .atag_offset = 0x100,
152
153 .fixup = smdk2413_fixup,
154 .init_irq = s3c2412_init_irq,
155 .map_io = smdk2413_map_io,
156 .init_machine = smdk2413_machine_init,
157 .init_time = smdk2413_init_time,
158 MACHINE_END
159