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1 | /* linux/arch/arm/mach-s5pv310/mach-smdkv310.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/serial_core.h> | |
12 | ||
13 | #include <asm/mach/arch.h> | |
14 | #include <asm/mach-types.h> | |
15 | #include <asm/hardware/cache-l2x0.h> | |
16 | ||
17 | #include <plat/regs-serial.h> | |
18 | #include <plat/s5pv310.h> | |
19 | #include <plat/cpu.h> | |
20 | ||
21 | #include <mach/map.h> | |
22 | ||
23 | /* Following are default values for UCON, ULCON and UFCON UART registers */ | |
24 | #define SMDKV310_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \ | |
25 | S3C2410_UCON_RXILEVEL | \ | |
26 | S3C2410_UCON_TXIRQMODE | \ | |
27 | S3C2410_UCON_RXIRQMODE | \ | |
28 | S3C2410_UCON_RXFIFO_TOI | \ | |
29 | S3C2443_UCON_RXERR_IRQEN) | |
30 | ||
31 | #define SMDKV310_ULCON_DEFAULT S3C2410_LCON_CS8 | |
32 | ||
33 | #define SMDKV310_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \ | |
34 | S5PV210_UFCON_TXTRIG4 | \ | |
35 | S5PV210_UFCON_RXTRIG4) | |
36 | ||
37 | static struct s3c2410_uartcfg smdkv310_uartcfgs[] __initdata = { | |
38 | [0] = { | |
39 | .hwport = 0, | |
40 | .flags = 0, | |
41 | .ucon = SMDKV310_UCON_DEFAULT, | |
42 | .ulcon = SMDKV310_ULCON_DEFAULT, | |
43 | .ufcon = SMDKV310_UFCON_DEFAULT, | |
44 | }, | |
45 | [1] = { | |
46 | .hwport = 1, | |
47 | .flags = 0, | |
48 | .ucon = SMDKV310_UCON_DEFAULT, | |
49 | .ulcon = SMDKV310_ULCON_DEFAULT, | |
50 | .ufcon = SMDKV310_UFCON_DEFAULT, | |
51 | }, | |
52 | [2] = { | |
53 | .hwport = 2, | |
54 | .flags = 0, | |
55 | .ucon = SMDKV310_UCON_DEFAULT, | |
56 | .ulcon = SMDKV310_ULCON_DEFAULT, | |
57 | .ufcon = SMDKV310_UFCON_DEFAULT, | |
58 | }, | |
59 | [3] = { | |
60 | .hwport = 3, | |
61 | .flags = 0, | |
62 | .ucon = SMDKV310_UCON_DEFAULT, | |
63 | .ulcon = SMDKV310_ULCON_DEFAULT, | |
64 | .ufcon = SMDKV310_UFCON_DEFAULT, | |
65 | }, | |
66 | }; | |
67 | ||
68 | static void __init smdkv310_map_io(void) | |
69 | { | |
70 | s5p_init_io(NULL, 0, S5P_VA_CHIPID); | |
71 | s3c24xx_init_clocks(24000000); | |
72 | s3c24xx_init_uarts(smdkv310_uartcfgs, ARRAY_SIZE(smdkv310_uartcfgs)); | |
73 | } | |
74 | ||
75 | static void __init smdkv310_machine_init(void) | |
76 | { | |
77 | #ifdef CONFIG_CACHE_L2X0 | |
78 | l2x0_init(S5P_VA_L2CC, 1 << 28, 0xffffffff); | |
79 | #endif | |
80 | } | |
81 | ||
82 | MACHINE_START(SMDKV310, "SMDKV310") | |
83 | /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */ | |
84 | /* Maintainer: Changhwan Youn <chaos.youn@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 = s5pv310_init_irq, | |
89 | .map_io = smdkv310_map_io, | |
90 | .init_machine = smdkv310_machine_init, | |
91 | .timer = &s5pv310_timer, | |
92 | MACHINE_END |