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mach-vstms.c
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1 /* linux/arch/arm/mach-s3c2412/mach-vstms.c
2  *
3  * (C) 2006 Thomas Gleixner <[email protected]>
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 
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 = {
130 };
131 
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 
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 
149 static void __init vstms_init(void)
150 {
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,