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cf383678 BD |
1 | # arch/arm/plat-samsung/Kconfig |
2 | # | |
3 | # Copyright 2009 Simtec Electronics | |
4 | # | |
5 | # Licensed under GPLv2 | |
6 | ||
7 | config PLAT_SAMSUNG | |
8 | bool | |
acc84707 | 9 | depends on ARCH_S3C2410 || ARCH_S3C24A0 || ARCH_S3C64XX |
ae5fa355 | 10 | select NO_IOPORT |
cf383678 BD |
11 | default y |
12 | help | |
13 | Base platform code for all Samsung SoC based systems | |
14 | ||
15 | if PLAT_SAMSUNG | |
16 | ||
89f1fa08 BD |
17 | # boot configurations |
18 | ||
19 | comment "Boot options" | |
20 | ||
21 | config S3C_BOOT_WATCHDOG | |
22 | bool "S3C Initialisation watchdog" | |
23 | depends on S3C2410_WATCHDOG | |
24 | help | |
25 | Say y to enable the watchdog during the kernel decompression | |
26 | stage. If the kernel fails to uncompress, then the watchdog | |
27 | will trigger a reset and the system should restart. | |
28 | ||
29 | config S3C_BOOT_ERROR_RESET | |
30 | bool "S3C Reboot on decompression error" | |
31 | help | |
32 | Say y here to use the watchdog to reset the system if the | |
33 | kernel decompressor detects an error during decompression. | |
34 | ||
35 | config S3C_BOOT_UART_FORCE_FIFO | |
36 | bool "Force UART FIFO on during boot process" | |
37 | default y | |
38 | help | |
39 | Say Y here to force the UART FIFOs on during the kernel | |
40 | uncompressor | |
41 | ||
42 | ||
43 | config S3C_LOWLEVEL_UART_PORT | |
44 | int "S3C UART to use for low-level messages" | |
45 | default 0 | |
46 | help | |
47 | Choice of which UART port to use for the low-level messages, | |
48 | such as the `Uncompressing...` at start time. The value of | |
49 | this configuration should be between zero and two. The port | |
50 | must have been initialised by the boot-loader before use. | |
51 | ||
52 | # clock options | |
53 | ||
aa9ad6ad HW |
54 | config SAMSUNG_CLKSRC |
55 | bool | |
56 | help | |
57 | Select the clock code for the clksrc implementation | |
58 | used by newer systems such as the S3C64XX. | |
cf383678 | 59 | |
7162ba03 BD |
60 | # options for IRQ support |
61 | ||
62 | config SAMSUNG_IRQ_VIC_TIMER | |
63 | bool | |
64 | help | |
65 | Internal configuration to build the VIC timer interrupt code. | |
66 | ||
51022cf6 BD |
67 | config SAMSUNG_IRQ_UART |
68 | bool | |
69 | help | |
70 | Internal configuration to build the IRQ UART demux code. | |
71 | ||
4f830db9 BD |
72 | # options for gpio configuration support |
73 | ||
1f323cfd KK |
74 | config SAMSUNG_GPIOLIB_4BIT |
75 | bool | |
76 | help | |
77 | GPIOlib file contains the 4 bit modification functions for gpio | |
78 | configuration. GPIOlib shall be compiled only for S3C64XX and S5P | |
79 | series of processors. | |
80 | ||
4f830db9 BD |
81 | config S3C_GPIO_CFG_S3C24XX |
82 | bool | |
83 | help | |
84 | Internal configuration to enable S3C24XX style GPIO configuration | |
85 | functions. | |
86 | ||
87 | config S3C_GPIO_CFG_S3C64XX | |
88 | bool | |
89 | help | |
90 | Internal configuration to enable S3C64XX style GPIO configuration | |
91 | functions. | |
92 | ||
4f830db9 BD |
93 | config S3C_GPIO_PULL_UPDOWN |
94 | bool | |
95 | help | |
96 | Internal configuration to enable the correct GPIO pull helper | |
97 | ||
98 | config S3C_GPIO_PULL_DOWN | |
99 | bool | |
100 | help | |
101 | Internal configuration to enable the correct GPIO pull helper | |
102 | ||
103 | config S3C_GPIO_PULL_UP | |
104 | bool | |
105 | help | |
106 | Internal configuration to enable the correct GPIO pull helper | |
107 | ||
838c6d49 MS |
108 | config S5P_GPIO_DRVSTR |
109 | bool | |
110 | help | |
111 | Internal configuration to get and set correct GPIO driver strength | |
112 | helper | |
113 | ||
85841bce KK |
114 | config SAMSUNG_GPIO_EXTRA |
115 | int "Number of additional GPIO pins" | |
116 | default 0 | |
117 | help | |
118 | Use additional GPIO space in addition to the GPIO's the SOC | |
119 | provides. This allows expanding the GPIO space for use with | |
120 | GPIO expanders. | |
121 | ||
89f1fa08 BD |
122 | config S3C_GPIO_SPACE |
123 | int "Space between gpio banks" | |
124 | default 0 | |
125 | help | |
126 | Add a number of spare GPIO entries between each bank for debugging | |
127 | purposes. This allows any problems where an counter overflows from | |
128 | one bank to another to be caught, at the expense of using a little | |
129 | more memory. | |
130 | ||
131 | config S3C_GPIO_TRACK | |
132 | bool | |
133 | help | |
134 | Internal configuration option to enable the s3c specific gpio | |
135 | chip tracking if the platform requires it. | |
136 | ||
3929e1e7 MC |
137 | # ADC driver |
138 | ||
139 | config S3C_ADC | |
140 | bool "ADC common driver support" | |
141 | help | |
142 | Core support for the ADC block found in the Samsung SoC systems | |
143 | for drivers such as the touchscreen and hwmon to use to share | |
144 | this resource. | |
145 | ||
b6a60413 BD |
146 | # device definitions to compile in |
147 | ||
148 | config S3C_DEV_HSMMC | |
149 | bool | |
150 | help | |
151 | Compile in platform device definitions for HSMMC code | |
152 | ||
153 | config S3C_DEV_HSMMC1 | |
154 | bool | |
155 | help | |
156 | Compile in platform device definitions for HSMMC channel 1 | |
157 | ||
158 | config S3C_DEV_HSMMC2 | |
159 | bool | |
160 | help | |
161 | Compile in platform device definitions for HSMMC channel 2 | |
162 | ||
6cd82ffe MC |
163 | config S3C_DEV_HWMON |
164 | bool | |
165 | help | |
166 | Compile in platform device definitions for HWMON | |
167 | ||
b6a60413 BD |
168 | config S3C_DEV_I2C1 |
169 | bool | |
170 | help | |
171 | Compile in platform device definitions for I2C channel 1 | |
172 | ||
c8d833bf MS |
173 | config S3C_DEV_I2C2 |
174 | bool | |
175 | help | |
176 | Compile in platform device definitions for I2C channel 2 | |
177 | ||
b6a60413 BD |
178 | config S3C_DEV_FB |
179 | bool | |
180 | help | |
181 | Compile in platform device definition for framebuffer | |
182 | ||
183 | config S3C_DEV_USB_HOST | |
184 | bool | |
185 | help | |
186 | Compile in platform device definition for USB host. | |
187 | ||
188 | config S3C_DEV_USB_HSOTG | |
189 | bool | |
190 | help | |
191 | Compile in platform device definition for USB high-speed OtG | |
192 | ||
e1d5c93e BG |
193 | config S3C_DEV_WDT |
194 | bool | |
195 | default y if ARCH_S3C2410 | |
196 | help | |
197 | Complie in platform device definition for Watchdog Timer | |
198 | ||
b6a60413 BD |
199 | config S3C_DEV_NAND |
200 | bool | |
201 | help | |
202 | Compile in platform device definition for NAND controller | |
203 | ||
999304be MS |
204 | config S3C_DEV_ONENAND |
205 | bool | |
206 | help | |
207 | Compile in platform device definition for OneNAND controller | |
208 | ||
adc0950c AD |
209 | config S3C_DEV_RTC |
210 | bool | |
211 | help | |
212 | Complie in platform device definition for RTC | |
213 | ||
4f7cdc38 NK |
214 | config SAMSUNG_DEV_ADC |
215 | bool | |
216 | help | |
217 | Compile in platform device definition for ADC controller | |
218 | ||
4b4c6625 JB |
219 | config S3C64XX_DEV_SPI |
220 | bool | |
221 | help | |
222 | Compile in platform device definitions for S3C64XX's type | |
223 | SPI controllers. | |
224 | ||
2b6c02ab | 225 | config SAMSUNG_DEV_TS |
909de0d6 MC |
226 | bool |
227 | help | |
2b6c02ab | 228 | Common in platform device definitions for touchscreen device |
909de0d6 | 229 | |
89f1fa08 BD |
230 | # DMA |
231 | ||
232 | config S3C_DMA | |
233 | bool | |
234 | help | |
235 | Internal configuration for S3C DMA core | |
236 | ||
d800edeb JB |
237 | config S3C_PL330_DMA |
238 | bool | |
239 | select PL330 | |
240 | help | |
241 | S3C DMA API Driver for PL330 DMAC. | |
242 | ||
8005745d BD |
243 | comment "Power management" |
244 | ||
245 | config SAMSUNG_PM_DEBUG | |
246 | bool "S3C2410 PM Suspend debug" | |
247 | depends on PM | |
248 | help | |
249 | Say Y here if you want verbose debugging from the PM Suspend and | |
250 | Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt> | |
251 | for more information. | |
252 | ||
253 | config S3C_PM_DEBUG_LED_SMDK | |
254 | bool "SMDK LED suspend/resume debugging" | |
255 | depends on PM && (MACH_SMDK6410) | |
256 | help | |
257 | Say Y here to enable the use of the SMDK LEDs on the baseboard | |
258 | for debugging of the state of the suspend and resume process. | |
259 | ||
260 | Note, this currently only works for S3C64XX based SMDK boards. | |
261 | ||
262 | config SAMSUNG_PM_CHECK | |
263 | bool "S3C2410 PM Suspend Memory CRC" | |
264 | depends on PM && CRC32 | |
265 | help | |
266 | Enable the PM code's memory area checksum over sleep. This option | |
267 | will generate CRCs of all blocks of memory, and store them before | |
268 | going to sleep. The blocks are then checked on resume for any | |
269 | errors. | |
270 | ||
271 | Note, this can take several seconds depending on memory size | |
272 | and CPU speed. | |
273 | ||
274 | See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt> | |
275 | ||
276 | config SAMSUNG_PM_CHECK_CHUNKSIZE | |
277 | int "S3C2410 PM Suspend CRC Chunksize (KiB)" | |
278 | depends on PM && SAMSUNG_PM_CHECK | |
279 | default 64 | |
280 | help | |
281 | Set the chunksize in Kilobytes of the CRC for checking memory | |
282 | corruption over suspend and resume. A smaller value will mean that | |
283 | the CRC data block will take more memory, but wil identify any | |
284 | faults with better precision. | |
285 | ||
286 | See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt> | |
287 | ||
0317e52e BD |
288 | config SAMSUNG_WAKEMASK |
289 | bool | |
290 | depends on PM | |
291 | help | |
292 | Compile support for wakeup-mask controls found on the S3C6400 | |
293 | and above. This code allows a set of interrupt to wakeup-mask | |
294 | mappings. See <plat/wakeup-mask.h> | |
295 | ||
cf383678 | 296 | endif |