1 // SPDX-License-Identifier: GPL-2.0
2 // linux/arch/arm/mach-s3c2440/mach-smdk2440.c
3 //
4 // Copyright (c) 2004-2005 Simtec Electronics
5 // Ben Dooks <ben@simtec.co.uk>
6 //
7 // http://www.fluff.org/ben/smdk2440/
8 //
9 // Thanks to Dimity Andric and TomTom for the loan of an SMDK2440.
10
11 #include <linux/kernel.h>
12 #include <linux/types.h>
13 #include <linux/interrupt.h>
14 #include <linux/list.h>
15 #include <linux/timer.h>
16 #include <linux/init.h>
17 #include <linux/serial_core.h>
18 #include <linux/serial_s3c.h>
19 #include <linux/platform_device.h>
20 #include <linux/io.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/irq.h>
28 #include <asm/mach-types.h>
29
30 #include <mach/regs-gpio.h>
31 #include <mach/regs-lcd.h>
32
33 #include <mach/fb.h>
34 #include <linux/platform_data/i2c-s3c2410.h>
35
36 #include <plat/devs.h>
37 #include <plat/cpu.h>
38 #include <plat/samsung-time.h>
39
40 #include "common.h"
41 #include "common-smdk.h"
42
43 static struct map_desc smdk2440_iodesc[] __initdata = {
44 /* ISA IO Space map (memory space selected by A24) */
45
46 {
47 .virtual = (u32)S3C24XX_VA_ISA_WORD,
48 .pfn = __phys_to_pfn(S3C2410_CS2),
49 .length = 0x10000,
50 .type = MT_DEVICE,
51 }, {
52 .virtual = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
53 .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
54 .length = SZ_4M,
55 .type = MT_DEVICE,
56 }, {
57 .virtual = (u32)S3C24XX_VA_ISA_BYTE,
58 .pfn = __phys_to_pfn(S3C2410_CS2),
59 .length = 0x10000,
60 .type = MT_DEVICE,
61 }, {
62 .virtual = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
63 .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
64 .length = SZ_4M,
65 .type = MT_DEVICE,
66 }
67 };
68
69 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
70 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
71 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
72
73 static struct s3c2410_uartcfg smdk2440_uartcfgs[] __initdata = {
74 [0] = {
75 .hwport = 0,
76 .flags = 0,
77 .ucon = 0x3c5,
78 .ulcon = 0x03,
79 .ufcon = 0x51,
80 },
81 [1] = {
82 .hwport = 1,
83 .flags = 0,
84 .ucon = 0x3c5,
85 .ulcon = 0x03,
86 .ufcon = 0x51,
87 },
88 /* IR port */
89 [2] = {
90 .hwport = 2,
91 .flags = 0,
92 .ucon = 0x3c5,
93 .ulcon = 0x43,
94 .ufcon = 0x51,
95 }
96 };
97
98 /* LCD driver info */
99
100 static struct s3c2410fb_display smdk2440_lcd_cfg __initdata = {
101
102 .lcdcon5 = S3C2410_LCDCON5_FRM565 |
103 S3C2410_LCDCON5_INVVLINE |
104 S3C2410_LCDCON5_INVVFRAME |
105 S3C2410_LCDCON5_PWREN |
106 S3C2410_LCDCON5_HWSWP,
107
108 .type = S3C2410_LCDCON1_TFT,
109
110 .width = 240,
111 .height = 320,
112
113 .pixclock = 166667, /* HCLK 60 MHz, divisor 10 */
114 .xres = 240,
115 .yres = 320,
116 .bpp = 16,
117 .left_margin = 20,
118 .right_margin = 8,
119 .hsync_len = 4,
120 .upper_margin = 8,
121 .lower_margin = 7,
122 .vsync_len = 4,
123 };
124
125 static struct s3c2410fb_mach_info smdk2440_fb_info __initdata = {
126 .displays = &smdk2440_lcd_cfg,
127 .num_displays = 1,
128 .default_display = 0,
129
130 #if 0
131 /* currently setup by downloader */
132 .gpccon = 0xaa940659,
133 .gpccon_mask = 0xffffffff,
134 .gpcup = 0x0000ffff,
135 .gpcup_mask = 0xffffffff,
136 .gpdcon = 0xaa84aaa0,
137 .gpdcon_mask = 0xffffffff,
138 .gpdup = 0x0000faff,
139 .gpdup_mask = 0xffffffff,
140 #endif
141
142 .lpcsel = ((0xCE6) & ~7) | 1<<4,
143 };
144
145 static struct platform_device *smdk2440_devices[] __initdata = {
146 &s3c_device_ohci,
147 &s3c_device_lcd,
148 &s3c_device_wdt,
149 &s3c_device_i2c0,
150 &s3c_device_iis,
151 };
152
smdk2440_map_io(void)153 static void __init smdk2440_map_io(void)
154 {
155 s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc));
156 s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs));
157 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
158 }
159
smdk2440_init_time(void)160 static void __init smdk2440_init_time(void)
161 {
162 s3c2440_init_clocks(16934400);
163 samsung_timer_init();
164 }
165
smdk2440_machine_init(void)166 static void __init smdk2440_machine_init(void)
167 {
168 s3c24xx_fb_set_platdata(&smdk2440_fb_info);
169 s3c_i2c0_set_platdata(NULL);
170
171 platform_add_devices(smdk2440_devices, ARRAY_SIZE(smdk2440_devices));
172 smdk_machine_init();
173 }
174
175 MACHINE_START(S3C2440, "SMDK2440")
176 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
177 .atag_offset = 0x100,
178
179 .init_irq = s3c2440_init_irq,
180 .map_io = smdk2440_map_io,
181 .init_machine = smdk2440_machine_init,
182 .init_time = smdk2440_init_time,
183 MACHINE_END
184