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1 | /* linux/arch/arm/mach-s5p6442/mach-smdk6442.c |
2 | * | |
3 | * Copyright (c) 2010 Samsung Electronics Co., Ltd. | |
4 | * http://www.samsung.com/ | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | */ | |
10 | ||
11 | #include <linux/kernel.h> | |
12 | #include <linux/types.h> | |
13 | #include <linux/init.h> | |
14 | #include <linux/serial_core.h> | |
15 | ||
16 | #include <asm/mach/arch.h> | |
17 | #include <asm/mach/map.h> | |
18 | #include <asm/setup.h> | |
19 | #include <asm/mach-types.h> | |
20 | ||
21 | #include <mach/map.h> | |
22 | #include <mach/regs-clock.h> | |
23 | ||
24 | #include <plat/regs-serial.h> | |
25 | #include <plat/s5p6442.h> | |
26 | #include <plat/devs.h> | |
27 | #include <plat/cpu.h> | |
28 | ||
29 | /* Following are default values for UCON, ULCON and UFCON UART registers */ | |
30 | #define S5P6442_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \ | |
31 | S3C2410_UCON_RXILEVEL | \ | |
32 | S3C2410_UCON_TXIRQMODE | \ | |
33 | S3C2410_UCON_RXIRQMODE | \ | |
34 | S3C2410_UCON_RXFIFO_TOI | \ | |
35 | S3C2443_UCON_RXERR_IRQEN) | |
36 | ||
37 | #define S5P6442_ULCON_DEFAULT S3C2410_LCON_CS8 | |
38 | ||
39 | #define S5P6442_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \ | |
40 | S5PV210_UFCON_TXTRIG4 | \ | |
41 | S5PV210_UFCON_RXTRIG4) | |
42 | ||
43 | static struct s3c2410_uartcfg smdk6442_uartcfgs[] __initdata = { | |
44 | [0] = { | |
45 | .hwport = 0, | |
46 | .flags = 0, | |
47 | .ucon = S5P6442_UCON_DEFAULT, | |
48 | .ulcon = S5P6442_ULCON_DEFAULT, | |
49 | .ufcon = S5P6442_UFCON_DEFAULT, | |
50 | }, | |
51 | [1] = { | |
52 | .hwport = 1, | |
53 | .flags = 0, | |
54 | .ucon = S5P6442_UCON_DEFAULT, | |
55 | .ulcon = S5P6442_ULCON_DEFAULT, | |
56 | .ufcon = S5P6442_UFCON_DEFAULT, | |
57 | }, | |
58 | [2] = { | |
59 | .hwport = 2, | |
60 | .flags = 0, | |
61 | .ucon = S5P6442_UCON_DEFAULT, | |
62 | .ulcon = S5P6442_ULCON_DEFAULT, | |
63 | .ufcon = S5P6442_UFCON_DEFAULT, | |
64 | }, | |
65 | }; | |
66 | ||
67 | static struct platform_device *smdk6442_devices[] __initdata = { | |
78a36823 | 68 | &s5p6442_device_iis0, |
461859db KK |
69 | }; |
70 | ||
71 | static void __init smdk6442_map_io(void) | |
72 | { | |
73 | s5p_init_io(NULL, 0, S5P_VA_CHIPID); | |
74 | s3c24xx_init_clocks(12000000); | |
75 | s3c24xx_init_uarts(smdk6442_uartcfgs, ARRAY_SIZE(smdk6442_uartcfgs)); | |
76 | } | |
77 | ||
78 | static void __init smdk6442_machine_init(void) | |
79 | { | |
80 | platform_add_devices(smdk6442_devices, ARRAY_SIZE(smdk6442_devices)); | |
81 | } | |
82 | ||
83 | MACHINE_START(SMDK6442, "SMDK6442") | |
84 | /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */ | |
85 | .phys_io = S3C_PA_UART & 0xfff00000, | |
86 | .io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc, | |
87 | .boot_params = S5P_PA_SDRAM + 0x100, | |
88 | .init_irq = s5p6442_init_irq, | |
89 | .map_io = smdk6442_map_io, | |
90 | .init_machine = smdk6442_machine_init, | |
91 | .timer = &s3c24xx_timer, | |
92 | MACHINE_END |