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1 /* linux/arch/arm/mach-s3c2412/mach-vstms.c
2  *
3  * (C) 2006 Thomas Gleixner <tglx@linutronix.de>
4  *
5  * Derived from mach-smdk2413.c - (C) 2006 Simtec Electronics
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  */
11 
12 #include <linux/kernel.h>
13 #include <linux/types.h>
14 #include <linux/interrupt.h>
15 #include <linux/list.h>
16 #include <linux/timer.h>
17 #include <linux/init.h>
18 #include <linux/serial_core.h>
19 #include <linux/platform_device.h>
20 #include <linux/io.h>
21 #include <linux/mtd/mtd.h>
22 #include <linux/mtd/nand.h>
23 #include <linux/mtd/nand_ecc.h>
24 #include <linux/mtd/partitions.h>
25 
26 #include <asm/mach/arch.h>
27 #include <asm/mach/map.h>
28 #include <asm/mach/irq.h>
29 
30 #include <mach/hardware.h>
31 #include <asm/setup.h>
32 #include <asm/irq.h>
33 #include <asm/mach-types.h>
34 
35 #include <plat/regs-serial.h>
36 #include <mach/regs-gpio.h>
37 #include <mach/regs-lcd.h>
38 
39 #include <mach/idle.h>
40 #include <mach/fb.h>
41 
42 #include <plat/iic.h>
43 #include <plat/nand.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 
52 static struct map_desc vstms_iodesc[] __initdata = {
53 };
54 
55 static struct s3c2410_uartcfg vstms_uartcfgs[] __initdata = {
56 	[0] = {
57 		.hwport	     = 0,
58 		.flags	     = 0,
59 		.ucon	     = 0x3c5,
60 		.ulcon	     = 0x03,
61 		.ufcon	     = 0x51,
62 	},
63 	[1] = {
64 		.hwport	     = 1,
65 		.flags	     = 0,
66 		.ucon	     = 0x3c5,
67 		.ulcon	     = 0x03,
68 		.ufcon	     = 0x51,
69 	},
70 	[2] = {
71 		.hwport	     = 2,
72 		.flags	     = 0,
73 		.ucon	     = 0x3c5,
74 		.ulcon	     = 0x03,
75 		.ufcon	     = 0x51,
76 	}
77 };
78 
79 static struct mtd_partition __initdata vstms_nand_part[] = {
80 	[0] = {
81 		.name	= "Boot Agent",
82 		.size	= 0x7C000,
83 		.offset	= 0,
84 	},
85 	[1] = {
86 		.name	= "UBoot Config",
87 		.offset = 0x7C000,
88 		.size	= 0x4000,
89 	},
90 	[2] = {
91 		.name	= "Kernel",
92 		.offset = 0x80000,
93 		.size	= 0x200000,
94 	},
95 	[3] = {
96 		.name	= "RFS",
97 		.offset	= 0x280000,
98 		.size	= 0x3d80000,
99 	},
100 };
101 
102 static struct s3c2410_nand_set __initdata vstms_nand_sets[] = {
103 	[0] = {
104 		.name		= "NAND",
105 		.nr_chips	= 1,
106 		.nr_partitions	= ARRAY_SIZE(vstms_nand_part),
107 		.partitions	= vstms_nand_part,
108 	},
109 };
110 
111 /* choose a set of timings which should suit most 512Mbit
112  * chips and beyond.
113 */
114 
115 static struct s3c2410_platform_nand __initdata vstms_nand_info = {
116 	.tacls		= 20,
117 	.twrph0		= 60,
118 	.twrph1		= 20,
119 	.nr_sets	= ARRAY_SIZE(vstms_nand_sets),
120 	.sets		= vstms_nand_sets,
121 };
122 
123 static struct platform_device *vstms_devices[] __initdata = {
124 	&s3c_device_ohci,
125 	&s3c_device_wdt,
126 	&s3c_device_i2c0,
127 	&s3c_device_iis,
128 	&s3c_device_rtc,
129 	&s3c_device_nand,
130 };
131 
vstms_fixup(struct tag * tags,char ** cmdline,struct meminfo * mi)132 static void __init vstms_fixup(struct tag *tags, char **cmdline,
133 			       struct meminfo *mi)
134 {
135 	if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
136 		mi->nr_banks=1;
137 		mi->bank[0].start = 0x30000000;
138 		mi->bank[0].size = SZ_64M;
139 	}
140 }
141 
vstms_map_io(void)142 static void __init vstms_map_io(void)
143 {
144 	s3c24xx_init_io(vstms_iodesc, ARRAY_SIZE(vstms_iodesc));
145 	s3c24xx_init_clocks(12000000);
146 	s3c24xx_init_uarts(vstms_uartcfgs, ARRAY_SIZE(vstms_uartcfgs));
147 }
148 
vstms_init(void)149 static void __init vstms_init(void)
150 {
151 	s3c_i2c0_set_platdata(NULL);
152 	s3c_nand_set_platdata(&vstms_nand_info);
153 
154 	platform_add_devices(vstms_devices, ARRAY_SIZE(vstms_devices));
155 }
156 
157 MACHINE_START(VSTMS, "VSTMS")
158 	.atag_offset	= 0x100,
159 
160 	.fixup		= vstms_fixup,
161 	.init_irq	= s3c24xx_init_irq,
162 	.init_machine	= vstms_init,
163 	.map_io		= vstms_map_io,
164 	.timer		= &s3c24xx_timer,
165 	.restart	= s3c2412_restart,
166 MACHINE_END
167