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1 | # arch/arm/plat-s3c/Kconfig |
2 | # | |
3 | # Copyright 2007 Simtec Electronics | |
4 | # | |
5 | # Licensed under GPLv2 | |
6 | ||
7 | config PLAT_S3C | |
8 | bool | |
a08ab637 | 9 | depends on ARCH_S3C2410 || ARCH_S3C24A0 || ARCH_S3C64XX |
bcae8aeb | 10 | default y |
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11 | select NO_IOPORT |
12 | help | |
13 | Base platform code for any Samsung S3C device | |
14 | ||
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15 | # low-level serial option nodes |
16 | ||
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17 | if PLAT_S3C |
18 | ||
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19 | config CPU_LLSERIAL_S3C2410_ONLY |
20 | bool | |
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21 | default y if CPU_LLSERIAL_S3C2410 && !CPU_LLSERIAL_S3C2440 |
22 | ||
23 | config CPU_LLSERIAL_S3C2440_ONLY | |
24 | bool | |
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25 | default y if CPU_LLSERIAL_S3C2440 && !CPU_LLSERIAL_S3C2410 |
26 | ||
27 | config CPU_LLSERIAL_S3C2410 | |
28 | bool | |
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29 | help |
30 | Selected if there is an S3C2410 (or register compatible) serial | |
31 | low-level implementation needed | |
32 | ||
33 | config CPU_LLSERIAL_S3C2440 | |
34 | bool | |
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35 | help |
36 | Selected if there is an S3C2440 (or register compatible) serial | |
37 | low-level implementation needed | |
38 | ||
39 | # boot configurations | |
40 | ||
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41 | comment "Boot options" |
42 | ||
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43 | config S3C_BOOT_WATCHDOG |
44 | bool "S3C Initialisation watchdog" | |
d83a12a4 | 45 | depends on S3C2410_WATCHDOG |
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46 | help |
47 | Say y to enable the watchdog during the kernel decompression | |
48 | stage. If the kernel fails to uncompress, then the watchdog | |
49 | will trigger a reset and the system should restart. | |
50 | ||
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51 | config S3C_BOOT_ERROR_RESET |
52 | bool "S3C Reboot on decompression error" | |
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53 | help |
54 | Say y here to use the watchdog to reset the system if the | |
55 | kernel decompressor detects an error during decompression. | |
56 | ||
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57 | config S3C_BOOT_UART_FORCE_FIFO |
58 | bool "Force UART FIFO on during boot process" | |
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59 | default y |
60 | help | |
61 | Say Y here to force the UART FIFOs on during the kernel | |
62 | uncompressor | |
63 | ||
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64 | comment "Power management" |
65 | ||
66 | config S3C2410_PM_DEBUG | |
67 | bool "S3C2410 PM Suspend debug" | |
d83a12a4 | 68 | depends on PM |
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69 | help |
70 | Say Y here if you want verbose debugging from the PM Suspend and | |
71 | Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt> | |
72 | for more information. | |
73 | ||
74 | config S3C2410_PM_CHECK | |
75 | bool "S3C2410 PM Suspend Memory CRC" | |
d83a12a4 | 76 | depends on PM && CRC32 |
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77 | help |
78 | Enable the PM code's memory area checksum over sleep. This option | |
79 | will generate CRCs of all blocks of memory, and store them before | |
80 | going to sleep. The blocks are then checked on resume for any | |
81 | errors. | |
82 | ||
83 | Note, this can take several seconds depending on memory size | |
84 | and CPU speed. | |
85 | ||
86 | See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt> | |
87 | ||
88 | config S3C2410_PM_CHECK_CHUNKSIZE | |
89 | int "S3C2410 PM Suspend CRC Chunksize (KiB)" | |
d83a12a4 | 90 | depends on PM && S3C2410_PM_CHECK |
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91 | default 64 |
92 | help | |
93 | Set the chunksize in Kilobytes of the CRC for checking memory | |
94 | corruption over suspend and resume. A smaller value will mean that | |
95 | the CRC data block will take more memory, but wil identify any | |
96 | faults with better precision. | |
97 | ||
98 | See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt> | |
99 | ||
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100 | config S3C_LOWLEVEL_UART_PORT |
101 | int "S3C UART to use for low-level messages" | |
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102 | default 0 |
103 | help | |
104 | Choice of which UART port to use for the low-level messages, | |
105 | such as the `Uncompressing...` at start time. The value of | |
106 | this configuration should be between zero and two. The port | |
107 | must have been initialised by the boot-loader before use. | |
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109 | # options for gpiolib support |
110 | ||
111 | config S3C_GPIO_SPACE | |
112 | int "Space between gpio banks" | |
113 | default 0 | |
114 | help | |
115 | Add a number of spare GPIO entries between each bank for debugging | |
116 | purposes. This allows any problems where an counter overflows from | |
117 | one bank to another to be caught, at the expense of using a little | |
118 | more memory. | |
119 | ||
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120 | config S3C_GPIO_TRACK |
121 | bool | |
122 | help | |
123 | Internal configuration option to enable the s3c specific gpio | |
124 | chip tracking if the platform requires it. | |
125 | ||
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126 | config S3C_GPIO_PULL_UPDOWN |
127 | bool | |
128 | help | |
129 | Internal configuration to enable the correct GPIO pull helper | |
130 | ||
131 | config S3C_GPIO_PULL_DOWN | |
132 | bool | |
133 | help | |
134 | Internal configuration to enable the correct GPIO pull helper | |
135 | ||
136 | config S3C_GPIO_PULL_UP | |
137 | bool | |
138 | help | |
139 | Internal configuration to enable the correct GPIO pull helper | |
140 | ||
141 | config S3C_GPIO_CFG_S3C24XX | |
142 | bool | |
143 | help | |
144 | Internal configuration to enable S3C24XX style GPIO configuration | |
145 | functions. | |
146 | ||
147 | config S3C_GPIO_CFG_S3C64XX | |
148 | bool | |
149 | help | |
150 | Internal configuration to enable S3C64XX style GPIO configuration | |
151 | functions. | |
152 | ||
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153 | # device definitions to compile in |
154 | ||
155 | config S3C_DEV_HSMMC | |
156 | bool | |
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157 | help |
158 | Compile in platform device definitions for HSMMC code | |
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159 | |
160 | config S3C_DEV_HSMMC1 | |
161 | bool | |
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162 | help |
163 | Compile in platform device definitions for HSMMC channel 1 | |
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164 | |
165 | config S3C_DEV_I2C1 | |
166 | bool | |
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167 | help |
168 | Compile in platform device definitions for I2C channel 1 | |
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169 | |
170 | config S3C_DEV_FB | |
171 | bool | |
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172 | help |
173 | Compile in platform device definition for framebuffer | |
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174 | |
175 | endif |