6 config HAVE_AT91_USB_CLK
12 config HAVE_AT91_DBGU1
15 config AT91_USE_OLD_CLK
22 config COMMON_CLK_AT91
24 default AT91_PMC_UNIT && USE_OF && !AT91_USE_OLD_CLK
29 default AT91_PMC_UNIT && AT91_USE_OLD_CLK
31 config AT91_SAM9_ALT_RESET
35 config AT91_SAM9G45_RESET
49 select GENERIC_CLOCKEVENTS
50 select MULTI_IRQ_HANDLER
57 select GENERIC_CLOCKEVENTS
58 select MULTI_IRQ_HANDLER
62 menu "Atmel AT91 System-on-Chip"
72 select ARCH_USES_GETTIMEOFFSET
73 select MULTI_IRQ_HANDLER
77 Select this if you are using one of Atmel's AT91X40 SoC.
80 bool "ARM9 AT91SAM9/AT91RM9200"
82 Select this if you are using one of Atmel's AT91SAM9 or
88 Select this if you are using one of Atmel's SAMA5D3 SoC.
92 comment "Atmel AT91 Processor"
99 select HAVE_AT91_DBGU1
100 select HAVE_AT91_UTMI
102 select HAVE_AT91_USB_CLK
104 Select this if you are using one of Atmel's SAMA5D3 family SoC.
105 This support covers SAMA5D31, SAMA5D33, SAMA5D34, SAMA5D35, SAMA5D36.
109 config SOC_AT91RM9200
112 select GENERIC_CLOCKEVENTS
113 select HAVE_AT91_DBGU0
114 select MULTI_IRQ_HANDLER
116 select AT91_USE_OLD_CLK
117 select HAVE_AT91_USB_CLK
119 config SOC_AT91SAM9260
120 bool "AT91SAM9260, AT91SAM9XE or AT91SAM9G20"
121 select HAVE_AT91_DBGU0
123 select AT91_USE_OLD_CLK
124 select HAVE_AT91_USB_CLK
126 Select this if you are using one of Atmel's AT91SAM9260, AT91SAM9XE
129 config SOC_AT91SAM9261
130 bool "AT91SAM9261 or AT91SAM9G10"
131 select HAVE_AT91_DBGU0
134 select HAVE_AT91_USB_CLK
136 Select this if you are using one of Atmel's AT91SAM9261 or AT91SAM9G10 SoC.
138 config SOC_AT91SAM9263
140 select HAVE_AT91_DBGU1
143 select AT91_USE_OLD_CLK
144 select HAVE_AT91_USB_CLK
146 config SOC_AT91SAM9RL
148 select HAVE_AT91_DBGU0
151 select HAVE_AT91_UTMI
153 config SOC_AT91SAM9G45
154 bool "AT91SAM9G45 or AT91SAM9M10 families"
155 select HAVE_AT91_DBGU1
158 select AT91_USE_OLD_CLK
159 select HAVE_AT91_UTMI
160 select HAVE_AT91_USB_CLK
162 Select this if you are using one of Atmel's AT91SAM9G45 family SoC.
163 This support covers AT91SAM9G45, AT91SAM9G46, AT91SAM9M10 and AT91SAM9M11.
165 config SOC_AT91SAM9X5
166 bool "AT91SAM9x5 family"
167 select HAVE_AT91_DBGU0
170 select AT91_USE_OLD_CLK
171 select HAVE_AT91_UTMI
173 select HAVE_AT91_USB_CLK
175 Select this if you are using one of Atmel's AT91SAM9x5 family SoC.
176 This means that your SAM9 name finishes with a '5' (except if it is
178 This support covers AT91SAM9G15, AT91SAM9G25, AT91SAM9X25, AT91SAM9G35
181 config SOC_AT91SAM9N12
182 bool "AT91SAM9N12 family"
183 select HAVE_AT91_DBGU0
186 select AT91_USE_OLD_CLK
187 select HAVE_AT91_USB_CLK
189 Select this if you are using Atmel's AT91SAM9N12 SoC.
191 # ----------------------------------------------------------
192 endif # SOC_SAM_V4_V5
195 if SOC_SAM_V4_V5 || ARCH_AT91X40
196 source arch/arm/mach-at91/Kconfig.non_dt
199 comment "Generic Board Type"
201 config MACH_AT91RM9200_DT
202 bool "Atmel AT91RM9200 Evaluation Kits with device-tree support"
203 depends on SOC_AT91RM9200
206 Select this if you want to experiment device-tree with
207 an Atmel RM9200 Evaluation Kit.
209 config MACH_AT91SAM9_DT
210 bool "Atmel AT91SAM Evaluation Kits with device-tree support"
211 depends on SOC_AT91SAM9
214 Select this if you want to experiment device-tree with
215 an Atmel Evaluation Kit.
218 bool "Atmel SAMA5 Evaluation Kits with device-tree support"
221 select PHYLIB if NETDEVICES
223 Select this if you want to experiment device-tree with
224 an Atmel Evaluation Kit.
226 # ----------------------------------------------------------
228 comment "AT91 Feature Selections"
230 config AT91_SLOW_CLOCK
231 bool "Suspend-to-RAM disables main oscillator"
234 Select this if you want Suspend-to-RAM to save the most power
235 possible (without powering off the CPU) by disabling the PLLs
236 and main oscillator so that only the 32 KiHz clock is available.
238 When only that slow-clock is available, some peripherals lose
239 functionality. Many can't issue wakeup events unless faster
240 clocks are available. Some lose their operating state and
241 need to be completely re-initialized.
244 int "Kernel HZ (jiffies per second)"
247 default "128" if ARCH_AT91RM9200
250 On AT91rm9200 chips where you're using a system clock derived
251 from the 32768 Hz hardware clock, this tick rate should divide
252 it exactly: use a power-of-two value, such as 128 or 256, to
253 reduce timing errors caused by rounding.
255 On AT91sam926x chips, or otherwise when using a higher precision
256 system clock (of at least several MHz), rounding is less of a
257 problem so it can be safer to use a decimal values like 100.