1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // (C) 2006 Thomas Gleixner <tglx@linutronix.de>
4 //
5 // Derived from mach-smdk2413.c - (C) 2006 Simtec Electronics
6
7 #include <linux/kernel.h>
8 #include <linux/types.h>
9 #include <linux/interrupt.h>
10 #include <linux/list.h>
11 #include <linux/timer.h>
12 #include <linux/init.h>
13 #include <linux/serial_core.h>
14 #include <linux/serial_s3c.h>
15 #include <linux/platform_device.h>
16 #include <linux/io.h>
17 #include <linux/mtd/mtd.h>
18 #include <linux/mtd/rawnand.h>
19 #include <linux/mtd/nand_ecc.h>
20 #include <linux/mtd/partitions.h>
21 #include <linux/memblock.h>
22
23 #include <asm/mach/arch.h>
24 #include <asm/mach/map.h>
25 #include <asm/mach/irq.h>
26
27 #include <mach/hardware.h>
28 #include <asm/setup.h>
29 #include <asm/irq.h>
30 #include <asm/mach-types.h>
31
32 #include <mach/regs-gpio.h>
33 #include <mach/regs-lcd.h>
34
35 #include <mach/fb.h>
36
37 #include <linux/platform_data/i2c-s3c2410.h>
38 #include <linux/platform_data/mtd-nand-s3c2410.h>
39
40 #include <plat/devs.h>
41 #include <plat/cpu.h>
42 #include <plat/samsung-time.h>
43
44 #include "common.h"
45
46 static struct map_desc vstms_iodesc[] __initdata = {
47 };
48
49 static struct s3c2410_uartcfg vstms_uartcfgs[] __initdata = {
50 [0] = {
51 .hwport = 0,
52 .flags = 0,
53 .ucon = 0x3c5,
54 .ulcon = 0x03,
55 .ufcon = 0x51,
56 },
57 [1] = {
58 .hwport = 1,
59 .flags = 0,
60 .ucon = 0x3c5,
61 .ulcon = 0x03,
62 .ufcon = 0x51,
63 },
64 [2] = {
65 .hwport = 2,
66 .flags = 0,
67 .ucon = 0x3c5,
68 .ulcon = 0x03,
69 .ufcon = 0x51,
70 }
71 };
72
73 static struct mtd_partition __initdata vstms_nand_part[] = {
74 [0] = {
75 .name = "Boot Agent",
76 .size = 0x7C000,
77 .offset = 0,
78 },
79 [1] = {
80 .name = "UBoot Config",
81 .offset = 0x7C000,
82 .size = 0x4000,
83 },
84 [2] = {
85 .name = "Kernel",
86 .offset = 0x80000,
87 .size = 0x200000,
88 },
89 [3] = {
90 .name = "RFS",
91 .offset = 0x280000,
92 .size = 0x3d80000,
93 },
94 };
95
96 static struct s3c2410_nand_set __initdata vstms_nand_sets[] = {
97 [0] = {
98 .name = "NAND",
99 .nr_chips = 1,
100 .nr_partitions = ARRAY_SIZE(vstms_nand_part),
101 .partitions = vstms_nand_part,
102 },
103 };
104
105 /* choose a set of timings which should suit most 512Mbit
106 * chips and beyond.
107 */
108
109 static struct s3c2410_platform_nand __initdata vstms_nand_info = {
110 .tacls = 20,
111 .twrph0 = 60,
112 .twrph1 = 20,
113 .nr_sets = ARRAY_SIZE(vstms_nand_sets),
114 .sets = vstms_nand_sets,
115 .ecc_mode = NAND_ECC_SOFT,
116 };
117
118 static struct platform_device *vstms_devices[] __initdata = {
119 &s3c_device_ohci,
120 &s3c_device_wdt,
121 &s3c_device_i2c0,
122 &s3c_device_iis,
123 &s3c_device_rtc,
124 &s3c_device_nand,
125 &s3c2412_device_dma,
126 };
127
vstms_fixup(struct tag * tags,char ** cmdline)128 static void __init vstms_fixup(struct tag *tags, char **cmdline)
129 {
130 if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
131 memblock_add(0x30000000, SZ_64M);
132 }
133 }
134
vstms_map_io(void)135 static void __init vstms_map_io(void)
136 {
137 s3c24xx_init_io(vstms_iodesc, ARRAY_SIZE(vstms_iodesc));
138 s3c24xx_init_uarts(vstms_uartcfgs, ARRAY_SIZE(vstms_uartcfgs));
139 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
140 }
141
vstms_init_time(void)142 static void __init vstms_init_time(void)
143 {
144 s3c2412_init_clocks(12000000);
145 samsung_timer_init();
146 }
147
vstms_init(void)148 static void __init vstms_init(void)
149 {
150 s3c_i2c0_set_platdata(NULL);
151 s3c_nand_set_platdata(&vstms_nand_info);
152
153 platform_add_devices(vstms_devices, ARRAY_SIZE(vstms_devices));
154 }
155
156 MACHINE_START(VSTMS, "VSTMS")
157 .atag_offset = 0x100,
158
159 .fixup = vstms_fixup,
160 .init_irq = s3c2412_init_irq,
161 .init_machine = vstms_init,
162 .map_io = vstms_map_io,
163 .init_time = vstms_init_time,
164 MACHINE_END
165