Root/arch/arm/plat-samsung/Kconfig

1# arch/arm/plat-samsung/Kconfig
2#
3# Copyright 2009 Simtec Electronics
4#
5# Licensed under GPLv2
6
7config PLAT_SAMSUNG
8    bool
9    depends on PLAT_S3C24XX || ARCH_S3C64XX || PLAT_S5P
10    select NO_IOPORT
11    default y
12    help
13      Base platform code for all Samsung SoC based systems
14
15if PLAT_SAMSUNG
16
17# boot configurations
18
19comment "Boot options"
20
21config 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
29config 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
35config 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
43config 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
54config SAMSUNG_CLKSRC
55    bool
56    help
57      Select the clock code for the clksrc implementation
58      used by newer systems such as the S3C64XX.
59
60# options for IRQ support
61
62config SAMSUNG_IRQ_VIC_TIMER
63       bool
64       help
65         Internal configuration to build the VIC timer interrupt code.
66
67config SAMSUNG_IRQ_UART
68       bool
69       help
70         Internal configuration to build the IRQ UART demux code.
71
72# options for gpio configuration support
73
74config 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
81config S3C_GPIO_CFG_S3C24XX
82    bool
83    help
84      Internal configuration to enable S3C24XX style GPIO configuration
85      functions.
86
87config S3C_GPIO_CFG_S3C64XX
88    bool
89    help
90      Internal configuration to enable S3C64XX style GPIO configuration
91      functions.
92
93config S3C_GPIO_PULL_UPDOWN
94    bool
95    help
96      Internal configuration to enable the correct GPIO pull helper
97
98config S3C_GPIO_PULL_DOWN
99    bool
100    help
101      Internal configuration to enable the correct GPIO pull helper
102
103config S3C_GPIO_PULL_UP
104    bool
105    help
106      Internal configuration to enable the correct GPIO pull helper
107
108config S5P_GPIO_DRVSTR
109    bool
110    help
111      Internal configuration to get and set correct GPIO driver strength
112      helper
113
114config 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
122config 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
131config 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
137# ADC driver
138
139config 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
146# device definitions to compile in
147
148config S3C_DEV_HSMMC
149    bool
150    help
151      Compile in platform device definitions for HSMMC code
152
153config S3C_DEV_HSMMC1
154    bool
155    help
156      Compile in platform device definitions for HSMMC channel 1
157
158config S3C_DEV_HSMMC2
159    bool
160    help
161      Compile in platform device definitions for HSMMC channel 2
162
163config S3C_DEV_HSMMC3
164    bool
165    help
166      Compile in platform device definitions for HSMMC channel 3
167
168config S3C_DEV_HWMON
169    bool
170    help
171        Compile in platform device definitions for HWMON
172
173config S3C_DEV_I2C1
174    bool
175    help
176      Compile in platform device definitions for I2C channel 1
177
178config S3C_DEV_I2C2
179    bool
180    help
181      Compile in platform device definitions for I2C channel 2
182
183config S3C_DEV_I2C3
184    bool
185    help
186      Compile in platform device definition for I2C controller 3
187
188config S3C_DEV_I2C4
189    bool
190    help
191      Compile in platform device definition for I2C controller 4
192
193config S3C_DEV_I2C5
194    bool
195    help
196      Compile in platform device definition for I2C controller 5
197
198config S3C_DEV_I2C6
199    bool
200    help
201      Compile in platform device definition for I2C controller 6
202
203config S3C_DEV_I2C7
204    bool
205    help
206      Compile in platform device definition for I2C controller 7
207
208config S3C_DEV_FB
209    bool
210    help
211      Compile in platform device definition for framebuffer
212
213config S3C_DEV_USB_HOST
214    bool
215    help
216      Compile in platform device definition for USB host.
217
218config S3C_DEV_USB_HSOTG
219    bool
220    help
221      Compile in platform device definition for USB high-speed OtG
222
223config S3C_DEV_WDT
224    bool
225    default y if ARCH_S3C2410
226    help
227      Complie in platform device definition for Watchdog Timer
228
229config S3C_DEV_NAND
230    bool
231    help
232      Compile in platform device definition for NAND controller
233
234config S3C_DEV_ONENAND
235    bool
236    help
237      Compile in platform device definition for OneNAND controller
238
239config S3C_DEV_RTC
240    bool
241    help
242      Complie in platform device definition for RTC
243
244config SAMSUNG_DEV_ADC
245    bool
246    help
247      Compile in platform device definition for ADC controller
248
249config SAMSUNG_DEV_IDE
250    bool
251    help
252      Compile in platform device definitions for IDE
253
254config S3C64XX_DEV_SPI
255    bool
256    help
257      Compile in platform device definitions for S3C64XX's type
258      SPI controllers.
259
260config SAMSUNG_DEV_TS
261    bool
262    help
263        Common in platform device definitions for touchscreen device
264
265config SAMSUNG_DEV_KEYPAD
266    bool
267    help
268      Compile in platform device definitions for keypad
269
270# DMA
271
272config S3C_DMA
273    bool
274    help
275      Internal configuration for S3C DMA core
276
277config S3C_PL330_DMA
278    bool
279    select PL330
280    help
281      S3C DMA API Driver for PL330 DMAC.
282
283comment "Power management"
284
285config SAMSUNG_PM_DEBUG
286    bool "S3C2410 PM Suspend debug"
287    depends on PM
288    help
289      Say Y here if you want verbose debugging from the PM Suspend and
290      Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
291      for more information.
292
293config S3C_PM_DEBUG_LED_SMDK
294       bool "SMDK LED suspend/resume debugging"
295       depends on PM && (MACH_SMDK6410)
296       help
297         Say Y here to enable the use of the SMDK LEDs on the baseboard
298     for debugging of the state of the suspend and resume process.
299
300     Note, this currently only works for S3C64XX based SMDK boards.
301
302config SAMSUNG_PM_CHECK
303    bool "S3C2410 PM Suspend Memory CRC"
304    depends on PM && CRC32
305    help
306      Enable the PM code's memory area checksum over sleep. This option
307      will generate CRCs of all blocks of memory, and store them before
308      going to sleep. The blocks are then checked on resume for any
309      errors.
310
311      Note, this can take several seconds depending on memory size
312      and CPU speed.
313
314      See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
315
316config SAMSUNG_PM_CHECK_CHUNKSIZE
317    int "S3C2410 PM Suspend CRC Chunksize (KiB)"
318    depends on PM && SAMSUNG_PM_CHECK
319    default 64
320    help
321      Set the chunksize in Kilobytes of the CRC for checking memory
322      corruption over suspend and resume. A smaller value will mean that
323      the CRC data block will take more memory, but wil identify any
324      faults with better precision.
325
326      See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
327
328config SAMSUNG_WAKEMASK
329    bool
330    depends on PM
331    help
332      Compile support for wakeup-mask controls found on the S3C6400
333      and above. This code allows a set of interrupt to wakeup-mask
334      mappings. See <plat/wakeup-mask.h>
335
336endif
337

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