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Linux/arch/arm/mach-at91/Kconfig

  1 if ARCH_AT91
  2 
  3 config HAVE_AT91_UTMI
  4         bool
  5 
  6 config HAVE_AT91_USB_CLK
  7         bool
  8 
  9 config HAVE_AT91_DBGU0
 10         bool
 11 
 12 config HAVE_AT91_DBGU1
 13         bool
 14 
 15 config AT91_USE_OLD_CLK
 16         bool
 17 
 18 config AT91_PMC_UNIT
 19         bool
 20         default !ARCH_AT91X40
 21 
 22 config COMMON_CLK_AT91
 23         bool
 24         default AT91_PMC_UNIT && USE_OF && !AT91_USE_OLD_CLK
 25         select COMMON_CLK
 26 
 27 config OLD_CLK_AT91
 28         bool
 29         default AT91_PMC_UNIT && AT91_USE_OLD_CLK
 30 
 31 config AT91_SAM9_ALT_RESET
 32         bool
 33         default !ARCH_AT91X40
 34 
 35 config AT91_SAM9G45_RESET
 36         bool
 37         default !ARCH_AT91X40
 38 
 39 config AT91_SAM9_TIME
 40         bool
 41 
 42 config HAVE_AT91_SMD
 43         bool
 44 
 45 config SOC_AT91SAM9
 46         bool
 47         select AT91_SAM9_TIME
 48         select CPU_ARM926T
 49         select GENERIC_CLOCKEVENTS
 50         select MULTI_IRQ_HANDLER
 51         select SPARSE_IRQ
 52 
 53 config SOC_SAMA5
 54         bool
 55         select AT91_SAM9_TIME
 56         select CPU_V7
 57         select GENERIC_CLOCKEVENTS
 58         select MULTI_IRQ_HANDLER
 59         select SPARSE_IRQ
 60 
 61 menu "Atmel AT91 System-on-Chip"
 62 
 63 choice
 64 
 65         prompt "Core type"
 66 
 67 config SOC_SAM_V4_V5
 68         bool "ARM7/ARM9"
 69         help
 70           Select this if you are using one of Atmel's AT91SAM9, AT91RM9200
 71           or AT91X40 SoC.
 72 
 73 config SOC_SAM_V7
 74         bool "Cortex A5"
 75         help
 76           Select this if you are using one of Atmel's SAMA5D3 SoC.
 77 
 78 endchoice
 79 
 80 comment "Atmel AT91 Processor"
 81 
 82 if SOC_SAM_V7
 83 config SOC_SAMA5D3
 84         bool "SAMA5D3 family"
 85         select SOC_SAMA5
 86         select HAVE_FB_ATMEL
 87         select HAVE_AT91_DBGU1
 88         select HAVE_AT91_UTMI
 89         select HAVE_AT91_SMD
 90         select HAVE_AT91_USB_CLK
 91         help
 92           Select this if you are using one of Atmel's SAMA5D3 family SoC.
 93           This support covers SAMA5D31, SAMA5D33, SAMA5D34, SAMA5D35, SAMA5D36.
 94 endif
 95 
 96 if SOC_SAM_V4_V5
 97 config SOC_AT91RM9200
 98         bool "AT91RM9200"
 99         select CPU_ARM920T
100         select GENERIC_CLOCKEVENTS
101         select HAVE_AT91_DBGU0
102         select MULTI_IRQ_HANDLER
103         select SPARSE_IRQ
104         select AT91_USE_OLD_CLK
105         select HAVE_AT91_USB_CLK
106 
107 config SOC_AT91SAM9260
108         bool "AT91SAM9260, AT91SAM9XE or AT91SAM9G20"
109         select HAVE_AT91_DBGU0
110         select SOC_AT91SAM9
111         select AT91_USE_OLD_CLK
112         select HAVE_AT91_USB_CLK
113         help
114           Select this if you are using one of Atmel's AT91SAM9260, AT91SAM9XE
115           or AT91SAM9G20 SoC.
116 
117 config SOC_AT91SAM9261
118         bool "AT91SAM9261 or AT91SAM9G10"
119         select HAVE_AT91_DBGU0
120         select HAVE_FB_ATMEL
121         select SOC_AT91SAM9
122         select AT91_USE_OLD_CLK
123         select HAVE_AT91_USB_CLK
124         help
125           Select this if you are using one of Atmel's AT91SAM9261 or AT91SAM9G10 SoC.
126 
127 config SOC_AT91SAM9263
128         bool "AT91SAM9263"
129         select HAVE_AT91_DBGU1
130         select HAVE_FB_ATMEL
131         select SOC_AT91SAM9
132         select AT91_USE_OLD_CLK
133         select HAVE_AT91_USB_CLK
134 
135 config SOC_AT91SAM9RL
136         bool "AT91SAM9RL"
137         select HAVE_AT91_DBGU0
138         select HAVE_FB_ATMEL
139         select SOC_AT91SAM9
140         select AT91_USE_OLD_CLK
141         select HAVE_AT91_UTMI
142 
143 config SOC_AT91SAM9G45
144         bool "AT91SAM9G45 or AT91SAM9M10 families"
145         select HAVE_AT91_DBGU1
146         select HAVE_FB_ATMEL
147         select SOC_AT91SAM9
148         select AT91_USE_OLD_CLK
149         select HAVE_AT91_UTMI
150         select HAVE_AT91_USB_CLK
151         help
152           Select this if you are using one of Atmel's AT91SAM9G45 family SoC.
153           This support covers AT91SAM9G45, AT91SAM9G46, AT91SAM9M10 and AT91SAM9M11.
154 
155 config SOC_AT91SAM9X5
156         bool "AT91SAM9x5 family"
157         select HAVE_AT91_DBGU0
158         select HAVE_FB_ATMEL
159         select SOC_AT91SAM9
160         select AT91_USE_OLD_CLK
161         select HAVE_AT91_UTMI
162         select HAVE_AT91_SMD
163         select HAVE_AT91_USB_CLK
164         help
165           Select this if you are using one of Atmel's AT91SAM9x5 family SoC.
166           This means that your SAM9 name finishes with a '5' (except if it is
167           AT91SAM9G45!).
168           This support covers AT91SAM9G15, AT91SAM9G25, AT91SAM9X25, AT91SAM9G35
169           and AT91SAM9X35.
170 
171 config SOC_AT91SAM9N12
172         bool "AT91SAM9N12 family"
173         select HAVE_AT91_DBGU0
174         select HAVE_FB_ATMEL
175         select SOC_AT91SAM9
176         select AT91_USE_OLD_CLK
177         select HAVE_AT91_USB_CLK
178         help
179           Select this if you are using Atmel's AT91SAM9N12 SoC.
180 
181 # ----------------------------------------------------------
182 
183 source arch/arm/mach-at91/Kconfig.non_dt
184 endif # SOC_SAM_V4_V5
185 
186 comment "Generic Board Type"
187 
188 config MACH_AT91RM9200_DT
189         bool "Atmel AT91RM9200 Evaluation Kits with device-tree support"
190         depends on SOC_AT91RM9200
191         select USE_OF
192         help
193           Select this if you want to experiment device-tree with
194           an Atmel RM9200 Evaluation Kit.
195 
196 config MACH_AT91SAM9_DT
197         bool "Atmel AT91SAM Evaluation Kits with device-tree support"
198         depends on SOC_AT91SAM9
199         select USE_OF
200         help
201           Select this if you want to experiment device-tree with
202           an Atmel Evaluation Kit.
203 
204 config MACH_SAMA5_DT
205         bool "Atmel SAMA5 Evaluation Kits with device-tree support"
206         depends on SOC_SAMA5
207         select USE_OF
208         select PHYLIB if NETDEVICES
209         help
210           Select this if you want to experiment device-tree with
211           an Atmel Evaluation Kit.
212 
213 # ----------------------------------------------------------
214 
215 comment "AT91 Feature Selections"
216 
217 config AT91_SLOW_CLOCK
218         bool "Suspend-to-RAM disables main oscillator"
219         depends on SUSPEND
220         help
221           Select this if you want Suspend-to-RAM to save the most power
222           possible (without powering off the CPU) by disabling the PLLs
223           and main oscillator so that only the 32 KiHz clock is available.
224 
225           When only that slow-clock is available, some peripherals lose
226           functionality.  Many can't issue wakeup events unless faster
227           clocks are available.  Some lose their operating state and
228           need to be completely re-initialized.
229 
230 config AT91_TIMER_HZ
231        int "Kernel HZ (jiffies per second)"
232        range 32 1024
233        depends on ARCH_AT91
234        default "128" if ARCH_AT91RM9200
235        default "100"
236        help
237           On AT91rm9200 chips where you're using a system clock derived
238           from the 32768 Hz hardware clock, this tick rate should divide
239           it exactly: use a power-of-two value, such as 128 or 256, to
240           reduce timing errors caused by rounding.
241 
242           On AT91sam926x chips, or otherwise when using a higher precision
243           system clock (of at least several MHz), rounding is less of a
244           problem so it can be safer to use a decimal values like 100.
245 
246 endmenu
247 
248 endif

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