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6b5ab4f4 | 1 | /* |
3579a582 | 2 | * Samsung's EXYNOS4 flattened device tree enabled machine |
6b5ab4f4 TA |
3 | * |
4 | * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. | |
5 | * http://www.samsung.com | |
6 | * Copyright (c) 2010-2011 Linaro Ltd. | |
7 | * www.linaro.org | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License version 2 as | |
11 | * published by the Free Software Foundation. | |
12 | */ | |
13 | ||
14 | #include <linux/of_platform.h> | |
15 | #include <linux/serial_core.h> | |
16 | ||
17 | #include <asm/mach/arch.h> | |
18 | #include <mach/map.h> | |
19 | ||
20 | #include <plat/cpu.h> | |
21 | #include <plat/regs-serial.h> | |
35bded8f KL |
22 | |
23 | #include "common.h" | |
6b5ab4f4 TA |
24 | |
25 | /* | |
26 | * The following lookup table is used to override device names when devices | |
27 | * are registered from device tree. This is temporarily added to enable | |
28 | * device tree support addition for the Exynos4 architecture. | |
29 | * | |
30 | * For drivers that require platform data to be provided from the machine | |
31 | * file, a platform data pointer can also be supplied along with the | |
32 | * devices names. Usually, the platform data elements that cannot be parsed | |
33 | * from the device tree by the drivers (example: function pointers) are | |
34 | * supplied. But it should be noted that this is a temporary mechanism and | |
35 | * at some point, the drivers should be capable of parsing all the platform | |
36 | * data from the device tree. | |
37 | */ | |
3579a582 | 38 | static const struct of_dev_auxdata exynos4_auxdata_lookup[] __initconst = { |
efd5af0d | 39 | OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS4_PA_UART0, |
6b5ab4f4 | 40 | "exynos4210-uart.0", NULL), |
efd5af0d | 41 | OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS4_PA_UART1, |
6b5ab4f4 | 42 | "exynos4210-uart.1", NULL), |
efd5af0d | 43 | OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS4_PA_UART2, |
6b5ab4f4 | 44 | "exynos4210-uart.2", NULL), |
efd5af0d | 45 | OF_DEV_AUXDATA("samsung,exynos4210-uart", EXYNOS4_PA_UART3, |
6b5ab4f4 TA |
46 | "exynos4210-uart.3", NULL), |
47 | OF_DEV_AUXDATA("samsung,exynos4210-sdhci", EXYNOS4_PA_HSMMC(0), | |
48 | "exynos4-sdhci.0", NULL), | |
49 | OF_DEV_AUXDATA("samsung,exynos4210-sdhci", EXYNOS4_PA_HSMMC(1), | |
50 | "exynos4-sdhci.1", NULL), | |
51 | OF_DEV_AUXDATA("samsung,exynos4210-sdhci", EXYNOS4_PA_HSMMC(2), | |
52 | "exynos4-sdhci.2", NULL), | |
53 | OF_DEV_AUXDATA("samsung,exynos4210-sdhci", EXYNOS4_PA_HSMMC(3), | |
54 | "exynos4-sdhci.3", NULL), | |
55 | OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS4_PA_IIC(0), | |
56 | "s3c2440-i2c.0", NULL), | |
6cc88960 TF |
57 | OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS4_PA_IIC(1), |
58 | "s3c2440-i2c.1", NULL), | |
59 | OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS4_PA_IIC(2), | |
60 | "s3c2440-i2c.2", NULL), | |
61 | OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS4_PA_IIC(3), | |
62 | "s3c2440-i2c.3", NULL), | |
63 | OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS4_PA_IIC(4), | |
64 | "s3c2440-i2c.4", NULL), | |
65 | OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS4_PA_IIC(5), | |
66 | "s3c2440-i2c.5", NULL), | |
67 | OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS4_PA_IIC(6), | |
68 | "s3c2440-i2c.6", NULL), | |
69 | OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS4_PA_IIC(7), | |
70 | "s3c2440-i2c.7", NULL), | |
d40af365 TA |
71 | OF_DEV_AUXDATA("samsung,exynos4210-spi", EXYNOS4_PA_SPI0, |
72 | "exynos4210-spi.0", NULL), | |
73 | OF_DEV_AUXDATA("samsung,exynos4210-spi", EXYNOS4_PA_SPI1, | |
74 | "exynos4210-spi.1", NULL), | |
75 | OF_DEV_AUXDATA("samsung,exynos4210-spi", EXYNOS4_PA_SPI2, | |
76 | "exynos4210-spi.2", NULL), | |
6b5ab4f4 TA |
77 | OF_DEV_AUXDATA("arm,pl330", EXYNOS4_PA_PDMA0, "dma-pl330.0", NULL), |
78 | OF_DEV_AUXDATA("arm,pl330", EXYNOS4_PA_PDMA1, "dma-pl330.1", NULL), | |
f7e758af | 79 | OF_DEV_AUXDATA("arm,pl330", EXYNOS4_PA_MDMA1, "dma-pl330.2", NULL), |
8d4155db ADK |
80 | OF_DEV_AUXDATA("samsung,exynos4210-tmu", EXYNOS4_PA_TMU, |
81 | "exynos-tmu", NULL), | |
25e9d28d CK |
82 | OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x13620000, |
83 | "exynos-sysmmu.0", NULL), /* MFC_L */ | |
84 | OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x13630000, | |
85 | "exynos-sysmmu.1", NULL), /* MFC_R */ | |
86 | OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x13E20000, | |
87 | "exynos-sysmmu.2", NULL), /* TV */ | |
88 | OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x11A60000, | |
89 | "exynos-sysmmu.3", NULL), /* JPEG */ | |
90 | OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x12A30000, | |
91 | "exynos-sysmmu.4", NULL), /* ROTATOR */ | |
92 | OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x11A20000, | |
93 | "exynos-sysmmu.5", NULL), /* FIMC0 */ | |
94 | OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x11A30000, | |
95 | "exynos-sysmmu.6", NULL), /* FIMC1 */ | |
96 | OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x11A40000, | |
97 | "exynos-sysmmu.7", NULL), /* FIMC2 */ | |
98 | OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x11A50000, | |
99 | "exynos-sysmmu.8", NULL), /* FIMC3 */ | |
100 | OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x12A20000, | |
101 | "exynos-sysmmu.9", NULL), /* G2D(4210) */ | |
102 | OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x10A40000, | |
103 | "exynos-sysmmu.9", NULL), /* G2D(4x12) */ | |
104 | OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x11E20000, | |
105 | "exynos-sysmmu.10", NULL), /* FIMD0 */ | |
106 | OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x12220000, | |
107 | "exynos-sysmmu.11", NULL), /* FIMD1(4210) */ | |
108 | OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x12260000, | |
109 | "exynos-sysmmu.12", NULL), /* IS0(4x12) */ | |
110 | OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x122B0000, | |
111 | "exynos-sysmmu.13", NULL), /* IS1(4x12) */ | |
112 | OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x123B0000, | |
113 | "exynos-sysmmu.14", NULL), /* FIMC-LITE0(4x12) */ | |
114 | OF_DEV_AUXDATA("samsung,exynos-sysmmu", 0x123C0000, | |
115 | "exynos-sysmmu.15", NULL), /* FIMC-LITE1(4x12) */ | |
6b5ab4f4 TA |
116 | {}, |
117 | }; | |
118 | ||
3579a582 | 119 | static void __init exynos4_dt_map_io(void) |
6b5ab4f4 | 120 | { |
35bded8f | 121 | exynos_init_io(NULL, 0); |
6b5ab4f4 TA |
122 | s3c24xx_init_clocks(24000000); |
123 | } | |
124 | ||
3579a582 | 125 | static void __init exynos4_dt_machine_init(void) |
6b5ab4f4 TA |
126 | { |
127 | of_platform_populate(NULL, of_default_bus_match_table, | |
3579a582 | 128 | exynos4_auxdata_lookup, NULL); |
6b5ab4f4 TA |
129 | } |
130 | ||
3579a582 | 131 | static char const *exynos4_dt_compat[] __initdata = { |
6b5ab4f4 | 132 | "samsung,exynos4210", |
0f7238a1 TF |
133 | "samsung,exynos4212", |
134 | "samsung,exynos4412", | |
6b5ab4f4 TA |
135 | NULL |
136 | }; | |
137 | ||
138 | DT_MACHINE_START(EXYNOS4210_DT, "Samsung Exynos4 (Flattened Device Tree)") | |
139 | /* Maintainer: Thomas Abraham <thomas.abraham@linaro.org> */ | |
61ef3c0b | 140 | .smp = smp_ops(exynos_smp_ops), |
6b5ab4f4 | 141 | .init_irq = exynos4_init_irq, |
3579a582 | 142 | .map_io = exynos4_dt_map_io, |
3579a582 | 143 | .init_machine = exynos4_dt_machine_init, |
bb13fabc | 144 | .init_late = exynos_init_late, |
6bb27d73 | 145 | .init_time = exynos4_timer_init, |
3579a582 | 146 | .dt_compat = exynos4_dt_compat, |
35bded8f | 147 | .restart = exynos4_restart, |
6b5ab4f4 | 148 | MACHINE_END |