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/machine.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 <asm/hardware/iomd.h>
27 #include <asm/setup.h>
28 #include <asm/irq.h>
29 #include <asm/mach-types.h>
30
31 //#include <asm/debug-ll.h>
32 #include "hardware-s3c24xx.h"
33 #include "regs-gpio.h"
34
35 #include <linux/platform_data/usb-s3c2410_udc.h>
36 #include <linux/platform_data/i2c-s3c2410.h>
37 #include <linux/platform_data/fb-s3c2410.h>
38 #include "gpio-samsung.h"
39 #include "gpio-cfg.h"
40
41 #include "devs.h"
42 #include "cpu.h"
43
44 #include "s3c24xx.h"
45 #include "common-smdk-s3c24xx.h"
46
47 static struct map_desc smdk2413_iodesc[] __initdata = {
48 };
49
50 static struct s3c2410_uartcfg smdk2413_uartcfgs[] __initdata = {
51 [0] = {
52 .hwport = 0,
53 .flags = 0,
54 .ucon = 0x3c5,
55 .ulcon = 0x03,
56 .ufcon = 0x51,
57 },
58 [1] = {
59 .hwport = 1,
60 .flags = 0,
61 .ucon = 0x3c5,
62 .ulcon = 0x03,
63 .ufcon = 0x51,
64 },
65 /* IR port */
66 [2] = {
67 .hwport = 2,
68 .flags = 0,
69 .ucon = 0x3c5,
70 .ulcon = 0x43,
71 .ufcon = 0x51,
72 }
73 };
74
75
76 static struct s3c2410_udc_mach_info smdk2413_udc_cfg __initdata = {
77 };
78
79 static struct gpiod_lookup_table smdk2413_udc_gpio_table = {
80 .dev_id = "s3c2410-usbgadget",
81 .table = {
82 GPIO_LOOKUP("GPIOF", 2, "pullup", GPIO_ACTIVE_HIGH),
83 { },
84 },
85 };
86
87 static struct platform_device *smdk2413_devices[] __initdata = {
88 &s3c_device_ohci,
89 &s3c_device_wdt,
90 &s3c_device_i2c0,
91 &s3c_device_iis,
92 &s3c_device_usbgadget,
93 &s3c2412_device_dma,
94 };
95
smdk2413_fixup(struct tag * tags,char ** cmdline)96 static void __init smdk2413_fixup(struct tag *tags, char **cmdline)
97 {
98 if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
99 memblock_add(0x30000000, SZ_64M);
100 }
101 }
102
smdk2413_map_io(void)103 static void __init smdk2413_map_io(void)
104 {
105 s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc));
106 s3c24xx_init_uarts(smdk2413_uartcfgs, ARRAY_SIZE(smdk2413_uartcfgs));
107 s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
108 }
109
smdk2413_init_time(void)110 static void __init smdk2413_init_time(void)
111 {
112 s3c2412_init_clocks(12000000);
113 s3c24xx_timer_init();
114 }
115
smdk2413_machine_init(void)116 static void __init smdk2413_machine_init(void)
117 { /* Turn off suspend on both USB ports, and switch the
118 * selectable USB port to USB device mode. */
119
120 s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
121 S3C2410_MISCCR_USBSUSPND0 |
122 S3C2410_MISCCR_USBSUSPND1, 0x0);
123
124 gpiod_add_lookup_table(&smdk2413_udc_gpio_table);
125 s3c24xx_udc_set_platdata(&smdk2413_udc_cfg);
126 s3c_i2c0_set_platdata(NULL);
127 /* Configure the I2S pins (GPE0...GPE4) in correct mode */
128 s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
129 S3C_GPIO_PULL_NONE);
130
131 platform_add_devices(smdk2413_devices, ARRAY_SIZE(smdk2413_devices));
132 smdk_machine_init();
133 }
134
135 MACHINE_START(S3C2413, "S3C2413")
136 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
137 .atag_offset = 0x100,
138 .nr_irqs = NR_IRQS_S3C2412,
139
140 .fixup = smdk2413_fixup,
141 .init_irq = s3c2412_init_irq,
142 .map_io = smdk2413_map_io,
143 .init_machine = smdk2413_machine_init,
144 .init_time = s3c24xx_timer_init,
145 MACHINE_END
146
147 MACHINE_START(SMDK2412, "SMDK2412")
148 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
149 .atag_offset = 0x100,
150 .nr_irqs = NR_IRQS_S3C2412,
151
152 .fixup = smdk2413_fixup,
153 .init_irq = s3c2412_init_irq,
154 .map_io = smdk2413_map_io,
155 .init_machine = smdk2413_machine_init,
156 .init_time = s3c24xx_timer_init,
157 MACHINE_END
158
159 MACHINE_START(SMDK2413, "SMDK2413")
160 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
161 .atag_offset = 0x100,
162 .nr_irqs = NR_IRQS_S3C2412,
163
164 .fixup = smdk2413_fixup,
165 .init_irq = s3c2412_init_irq,
166 .map_io = smdk2413_map_io,
167 .init_machine = smdk2413_machine_init,
168 .init_time = smdk2413_init_time,
169 MACHINE_END
170
