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1# Copyright 2007 Simtec Electronics
2#
3# Licensed under GPLv2
4
5config PLAT_S3C
6 bool
7 depends on ARCH_S3C2410 || ARCH_S3C24A0 || ARCH_S3C64XX
8 default y
9 select NO_IOPORT
10 help
11 Base platform code for any Samsung S3C device
12
13# low-level serial option nodes
14
15if PLAT_S3C
16
17config CPU_LLSERIAL_S3C2410_ONLY
18 bool
19 default y if CPU_LLSERIAL_S3C2410 && !CPU_LLSERIAL_S3C2440
20
21config CPU_LLSERIAL_S3C2440_ONLY
22 bool
23 default y if CPU_LLSERIAL_S3C2440 && !CPU_LLSERIAL_S3C2410
24
25config CPU_LLSERIAL_S3C2410
26 bool
27 help
28 Selected if there is an S3C2410 (or register compatible) serial
29 low-level implementation needed
30
31config CPU_LLSERIAL_S3C2440
32 bool
33 help
34 Selected if there is an S3C2440 (or register compatible) serial
35 low-level implementation needed
36
37# boot configurations
38
39comment "Boot options"
40
41config S3C_BOOT_WATCHDOG
42 bool "S3C Initialisation watchdog"
43 depends on S3C2410_WATCHDOG
44 help
45 Say y to enable the watchdog during the kernel decompression
46 stage. If the kernel fails to uncompress, then the watchdog
47 will trigger a reset and the system should restart.
48
49config S3C_BOOT_ERROR_RESET
50 bool "S3C Reboot on decompression error"
51 help
52 Say y here to use the watchdog to reset the system if the
53 kernel decompressor detects an error during decompression.
54
55config S3C_BOOT_UART_FORCE_FIFO
56 bool "Force UART FIFO on during boot process"
57 default y
58 help
59 Say Y here to force the UART FIFOs on during the kernel
60 uncompressor
61
62comment "Power management"
63
64config S3C2410_PM_DEBUG
65 bool "S3C2410 PM Suspend debug"
66 depends on PM
67 help
68 Say Y here if you want verbose debugging from the PM Suspend and
69 Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
70 for more information.
71
72config S3C_PM_DEBUG_LED_SMDK
73 bool "SMDK LED suspend/resume debugging"
74 depends on PM && (MACH_SMDK6410)
75 help
76 Say Y here to enable the use of the SMDK LEDs on the baseboard
77 for debugging of the state of the suspend and resume process.
78
79 Note, this currently only works for S3C64XX based SMDK boards.
80
81config S3C2410_PM_CHECK
82 bool "S3C2410 PM Suspend Memory CRC"
83 depends on PM && CRC32
84 help
85 Enable the PM code's memory area checksum over sleep. This option
86 will generate CRCs of all blocks of memory, and store them before
87 going to sleep. The blocks are then checked on resume for any
88 errors.
89
90 Note, this can take several seconds depending on memory size
91 and CPU speed.
92
93 See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
94
95config S3C2410_PM_CHECK_CHUNKSIZE
96 int "S3C2410 PM Suspend CRC Chunksize (KiB)"
97 depends on PM && S3C2410_PM_CHECK
98 default 64
99 help
100 Set the chunksize in Kilobytes of the CRC for checking memory
101 corruption over suspend and resume. A smaller value will mean that
102 the CRC data block will take more memory, but wil identify any
103 faults with better precision.
104
105 See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
106
107config S3C_LOWLEVEL_UART_PORT
108 int "S3C UART to use for low-level messages"
109 default 0
110 help
111 Choice of which UART port to use for the low-level messages,
112 such as the `Uncompressing...` at start time. The value of
113 this configuration should be between zero and two. The port
114 must have been initialised by the boot-loader before use.
115
116# options for gpiolib support
117
118config S3C_GPIO_SPACE
119 int "Space between gpio banks"
120 default 0
121 help
122 Add a number of spare GPIO entries between each bank for debugging
123 purposes. This allows any problems where an counter overflows from
124 one bank to another to be caught, at the expense of using a little
125 more memory.
126
127config S3C_GPIO_TRACK
128 bool
129 help
130 Internal configuration option to enable the s3c specific gpio
131 chip tracking if the platform requires it.
132
133config S3C_GPIO_PULL_UPDOWN
134 bool
135 help
136 Internal configuration to enable the correct GPIO pull helper
137
138config S3C_GPIO_PULL_DOWN
139 bool
140 help
141 Internal configuration to enable the correct GPIO pull helper
142
143config S3C_GPIO_PULL_UP
144 bool
145 help
146 Internal configuration to enable the correct GPIO pull helper
147
148config S3C_GPIO_CFG_S3C24XX
149 bool
150 help
151 Internal configuration to enable S3C24XX style GPIO configuration
152 functions.
153
154config S3C_GPIO_CFG_S3C64XX
155 bool
156 help
157 Internal configuration to enable S3C64XX style GPIO configuration
158 functions.
159
160config S5P_GPIO_CFG_S5PC1XX
161 bool
162 help
163 Internal configuration to enable S5PC1XX style GPIO configuration
164 functions.
165
166# DMA
167
168config S3C_DMA
169 bool
170 help
171 Internal configuration for S3C DMA core
172
173# device definitions to compile in
174
175config S3C_DEV_HSMMC
176 bool
177 help
178 Compile in platform device definitions for HSMMC code
179
180config S3C_DEV_HSMMC1
181 bool
182 help
183 Compile in platform device definitions for HSMMC channel 1
184
185config S3C_DEV_HSMMC2
186 bool
187 help
188 Compile in platform device definitions for HSMMC channel 2
189
190config S3C_DEV_I2C1
191 bool
192 help
193 Compile in platform device definitions for I2C channel 1
194
195config S3C_DEV_FB
196 bool
197 help
198 Compile in platform device definition for framebuffer
199
200config S3C_DEV_USB_HOST
201 bool
202 help
203 Compile in platform device definition for USB host.
204
205config S3C_DEV_USB_HSOTG
206 bool
207 help
208 Compile in platform device definition for USB high-speed OtG
209
210config S3C_DEV_NAND
211 bool
212 help
213 Compile in platform device definition for NAND controller
214
215endif