xref: /linux/arch/arm/mach-omap2/Kconfig (revision e0246e8ecad10b9437381b89756292ac031d4cfa)
14a54db61STony Lindgrenif ARCH_OMAP2PLUS
24a54db61STony Lindgren
34a54db61STony Lindgrenmenu "TI OMAP2/3/4 Specific Features"
44a54db61STony Lindgren
58d9166b5STony Lindgrenconfig ARCH_OMAP2PLUS_TYPICAL
68d9166b5STony Lindgren	bool "Typical OMAP configuration"
78d9166b5STony Lindgren	default y
88d9166b5STony Lindgren	select AEABI
98d9166b5STony Lindgren	select REGULATOR
108d9166b5STony Lindgren	select PM_RUNTIME
118d9166b5STony Lindgren	select VFP
128d9166b5STony Lindgren	select NEON if ARCH_OMAP3 || ARCH_OMAP4
1312a75da2SGovindraj.R	select SERIAL_OMAP
1412a75da2SGovindraj.R	select SERIAL_OMAP_CONSOLE
158d9166b5STony Lindgren	select I2C
168d9166b5STony Lindgren	select I2C_OMAP
178d9166b5STony Lindgren	select MENELAUS if ARCH_OMAP2
188d9166b5STony Lindgren	select TWL4030_CORE if ARCH_OMAP3 || ARCH_OMAP4
198d9166b5STony Lindgren	select TWL4030_POWER if ARCH_OMAP3 || ARCH_OMAP4
20a78a4cbdSSantosh Shilimkar	select HIGHMEM
218d9166b5STony Lindgren	help
228d9166b5STony Lindgren	  Compile a kernel suitable for booting most boards
238d9166b5STony Lindgren
2468ac8f7dSTony Lindgrenconfig ARCH_OMAP2
25f558b275STony Lindgren	bool "TI OMAP2"
26f558b275STony Lindgren	depends on ARCH_OMAP2PLUS
27f558b275STony Lindgren	default y
2868ac8f7dSTony Lindgren	select CPU_V6
296b2f55d7SMarc Zyngier	select MULTI_IRQ_HANDLER
3068ac8f7dSTony Lindgren
3168ac8f7dSTony Lindgrenconfig ARCH_OMAP3
32f558b275STony Lindgren	bool "TI OMAP3"
33f558b275STony Lindgren	depends on ARCH_OMAP2PLUS
34f558b275STony Lindgren	default y
3568ac8f7dSTony Lindgren	select CPU_V7
36b2a5124eSTony Lindgren	select USB_ARCH_HAS_EHCI if USB_SUPPORT
37fd1478cdSNishanth Menon	select ARCH_HAS_OPP
38*e0246e8eSKevin Hilman	select PM_RUNTIME if CPU_IDLE
39fd1478cdSNishanth Menon	select PM_OPP if PM
4015e0d9e3SArnd Bergmann	select ARM_CPU_SUSPEND if PM
4108d33b27SMarc Zyngier	select MULTI_IRQ_HANDLER
4268ac8f7dSTony Lindgren
4368ac8f7dSTony Lindgrenconfig ARCH_OMAP4
44f558b275STony Lindgren	bool "TI OMAP4"
45f558b275STony Lindgren	default y
46f558b275STony Lindgren	depends on ARCH_OMAP2PLUS
47c957445bSDave Martin	select CACHE_L2X0
4868ac8f7dSTony Lindgren	select CPU_V7
4968ac8f7dSTony Lindgren	select ARM_GIC
503b55658aSDave Martin	select HAVE_SMP
5107787a85SSantosh Shilimkar	select LOCAL_TIMERS if SMP
52455d4d2dSSantosh Shilimkar	select PL310_ERRATA_588369
534bdb1577SSantosh Shilimkar	select PL310_ERRATA_727915
54455d4d2dSSantosh Shilimkar	select ARM_ERRATA_720789
55f5a6422dSNishanth Menon	select ARCH_HAS_OPP
56*e0246e8eSKevin Hilman	select PM_RUNTIME if CPU_IDLE
57f5a6422dSNishanth Menon	select PM_OPP if PM
58b2a5124eSTony Lindgren	select USB_ARCH_HAS_EHCI if USB_SUPPORT
5915e0d9e3SArnd Bergmann	select ARM_CPU_SUSPEND if PM
6068ac8f7dSTony Lindgren
611dbae815STony Lindgrencomment "OMAP Core Type"
62f558b275STony Lindgren	depends on ARCH_OMAP2
631dbae815STony Lindgren
6459b479e0STony Lindgrenconfig SOC_OMAP2420
651dbae815STony Lindgren	bool "OMAP2420 support"
66f558b275STony Lindgren	depends on ARCH_OMAP2
67ffb63e34STony Lindgren	default y
6877900a2fSTimo Teras	select OMAP_DM_TIMER
69c40fae95STony Lindgren	select ARCH_OMAP_OTG
701dbae815STony Lindgren
7159b479e0STony Lindgrenconfig SOC_OMAP2430
7272d0f1c3SSyed Mohammed Khasim	bool "OMAP2430 support"
73f558b275STony Lindgren	depends on ARCH_OMAP2
74ffb63e34STony Lindgren	default y
754ab866d1SViral Mehta	select ARCH_OMAP_OTG
7672d0f1c3SSyed Mohammed Khasim
7759b479e0STony Lindgrenconfig SOC_OMAP3430
78cc26b3b0SSyed Mohammed, Khasim	bool "OMAP3430 support"
79f558b275STony Lindgren	depends on ARCH_OMAP3
80ffb63e34STony Lindgren	default y
81cc26b3b0SSyed Mohammed, Khasim	select ARCH_OMAP_OTG
82cc26b3b0SSyed Mohammed, Khasim
8333959553SKevin Hilmanconfig SOC_TI81XX
84a920360fSHemant Pedanekar	bool "TI81XX support"
85f558b275STony Lindgren	depends on ARCH_OMAP3
864bd7be22SHemant Pedanekar	default y
874bd7be22SHemant Pedanekar
88bb6abcf4SKevin Hilmanconfig SOC_AM33XX
8999541195SAfzal Mohammed	bool "AM33XX support"
90f558b275STony Lindgren	depends on ARCH_OMAP3
9199541195SAfzal Mohammed	default y
9299541195SAfzal Mohammed
93fc440461STony Lindgrenconfig OMAP_PACKAGE_ZAF
94fc440461STony Lindgren       bool
95fc440461STony Lindgren
96fc440461STony Lindgrenconfig OMAP_PACKAGE_ZAC
97fc440461STony Lindgren       bool
98fc440461STony Lindgren
99ddaa912aSTony Lindgrenconfig OMAP_PACKAGE_CBC
100ddaa912aSTony Lindgren       bool
101ddaa912aSTony Lindgren
102ddaa912aSTony Lindgrenconfig OMAP_PACKAGE_CBB
103ddaa912aSTony Lindgren       bool
104ddaa912aSTony Lindgren
105ddaa912aSTony Lindgrenconfig OMAP_PACKAGE_CUS
106ddaa912aSTony Lindgren       bool
107ddaa912aSTony Lindgren
108662c8b55STony Lindgrenconfig OMAP_PACKAGE_CBP
109662c8b55STony Lindgren       bool
110662c8b55STony Lindgren
111a041a52cSBenoit Coussonconfig OMAP_PACKAGE_CBL
112a041a52cSBenoit Cousson       bool
113a041a52cSBenoit Cousson
114a7722d87SBenoit Coussonconfig OMAP_PACKAGE_CBS
115a7722d87SBenoit Cousson       bool
116a7722d87SBenoit Cousson
1171dbae815STony Lindgrencomment "OMAP Board Type"
118f558b275STony Lindgren	depends on ARCH_OMAP2PLUS
1191dbae815STony Lindgren
1201dbae815STony Lindgrenconfig MACH_OMAP_GENERIC
1218d61649dSBenoit Cousson	bool "Generic OMAP2+ board"
122f558b275STony Lindgren	depends on ARCH_OMAP2PLUS
123ffb63e34STony Lindgren	default y
1248d61649dSBenoit Cousson	help
1258d61649dSBenoit Cousson	  Support for generic TI OMAP2+ boards using Flattened Device Tree.
1268d61649dSBenoit Cousson	  More information at Documentation/devicetree
1271dbae815STony Lindgren
1281b52d5dfSKalle Valoconfig MACH_OMAP2_TUSB6010
1291b52d5dfSKalle Valo	bool
13059b479e0STony Lindgren	depends on ARCH_OMAP2 && SOC_OMAP2420
1311b52d5dfSKalle Valo	default y if MACH_NOKIA_N8X0
1321b52d5dfSKalle Valo
1331dbae815STony Lindgrenconfig MACH_OMAP_H4
1341dbae815STony Lindgren	bool "OMAP 2420 H4 board"
13559b479e0STony Lindgren	depends on SOC_OMAP2420
136ffb63e34STony Lindgren	default y
13723275d45STony Lindgren	select OMAP_PACKAGE_ZAF
138f6049312SDavid Brownell	select OMAP_DEBUG_DEVICES
1391dbae815STony Lindgren
1409b6553cdSTony Lindgrenconfig MACH_OMAP_APOLLON
1419b6553cdSTony Lindgren	bool "OMAP 2420 Apollon board"
14259b479e0STony Lindgren	depends on SOC_OMAP2420
143ffb63e34STony Lindgren	default y
144b52b14efSTony Lindgren	select OMAP_PACKAGE_ZAC
14572d0f1c3SSyed Mohammed Khasim
14672d0f1c3SSyed Mohammed Khasimconfig MACH_OMAP_2430SDP
14772d0f1c3SSyed Mohammed Khasim	bool "OMAP 2430 SDP board"
14859b479e0STony Lindgren	depends on SOC_OMAP2430
149ffb63e34STony Lindgren	default y
150369ed78fSTony Lindgren	select OMAP_PACKAGE_ZAC
15172d0f1c3SSyed Mohammed Khasim
1522885f000SSyed Mohammed, Khasimconfig MACH_OMAP3_BEAGLE
1532885f000SSyed Mohammed, Khasim	bool "OMAP3 BEAGLE board"
154a8eb7ca0STony Lindgren	depends on ARCH_OMAP3
155ffb63e34STony Lindgren	default y
156ca5742bdSTony Lindgren	select OMAP_PACKAGE_CBB
1572885f000SSyed Mohammed, Khasim
158476544caSThomas Weberconfig MACH_DEVKIT8000
159476544caSThomas Weber	bool "DEVKIT8000 board"
160476544caSThomas Weber	depends on ARCH_OMAP3
161ffb63e34STony Lindgren	default y
16251824c5fSThomas Weber	select OMAP_PACKAGE_CUS
163476544caSThomas Weber
16449265651SNishant Kamatconfig MACH_OMAP_LDP
16549265651SNishant Kamat	bool "OMAP3 LDP board"
166a8eb7ca0STony Lindgren	depends on ARCH_OMAP3
167ffb63e34STony Lindgren	default y
168ca5742bdSTony Lindgren	select OMAP_PACKAGE_CBB
16949265651SNishant Kamat
170d40f3f15STim Nordellconfig MACH_OMAP3530_LV_SOM
171d40f3f15STim Nordell	bool "OMAP3 Logic 3530 LV SOM board"
172d40f3f15STim Nordell	depends on ARCH_OMAP3
173d40f3f15STim Nordell	select OMAP_PACKAGE_CBB
174d40f3f15STim Nordell	default y
175d40f3f15STim Nordell	help
176d40f3f15STim Nordell	 Support for the LogicPD OMAP3530 SOM Development kit
177d40f3f15STim Nordell	 for full description please see the products webpage at
178d40f3f15STim Nordell	 http://www.logicpd.com/products/development-kits/texas-instruments-zoom%E2%84%A2-omap35x-development-kit
179d40f3f15STim Nordell
180d40f3f15STim Nordellconfig MACH_OMAP3_TORPEDO
181d40f3f15STim Nordell	bool "OMAP3 Logic 35x Torpedo board"
182d40f3f15STim Nordell	depends on ARCH_OMAP3
183d40f3f15STim Nordell	select OMAP_PACKAGE_CBB
184d40f3f15STim Nordell	default y
185d40f3f15STim Nordell	help
186d40f3f15STim Nordell	 Support for the LogicPD OMAP35x Torpedo Development kit
187d40f3f15STim Nordell	 for full description please see the products webpage at
188d40f3f15STim Nordell	 http://www.logicpd.com/products/development-kits/zoom-omap35x-torpedo-development-kit
189d40f3f15STim Nordell
190eba2645aSSteve Sakomanconfig MACH_OVERO
191eba2645aSSteve Sakoman	bool "Gumstix Overo board"
192a8eb7ca0STony Lindgren	depends on ARCH_OMAP3
193ffb63e34STony Lindgren	default y
194ca5742bdSTony Lindgren	select OMAP_PACKAGE_CBB
195da177247SGrazvydas Ignotas
19653c5ec31SSyed Mohammed Khasimconfig MACH_OMAP3EVM
19753c5ec31SSyed Mohammed Khasim	bool "OMAP 3530 EVM board"
198a8eb7ca0STony Lindgren	depends on ARCH_OMAP3
199ffb63e34STony Lindgren	default y
200342aa2c1SVaibhav Hiremath	select OMAP_PACKAGE_CBB
20153c5ec31SSyed Mohammed Khasim
202c625327eSRanjith Lohithakshanconfig MACH_OMAP3517EVM
203c625327eSRanjith Lohithakshan	bool "OMAP3517/ AM3517 EVM board"
204a8eb7ca0STony Lindgren	depends on ARCH_OMAP3
205ffb63e34STony Lindgren	default y
206ca5742bdSTony Lindgren	select OMAP_PACKAGE_CBB
207c625327eSRanjith Lohithakshan
2081cb125caSSrinathconfig MACH_CRANEBOARD
2091cb125caSSrinath	bool "AM3517/05 CRANE board"
2101cb125caSSrinath	depends on ARCH_OMAP3
2111cb125caSSrinath	select OMAP_PACKAGE_CBB
2121cb125caSSrinath
213da177247SGrazvydas Ignotasconfig MACH_OMAP3_PANDORA
214da177247SGrazvydas Ignotas	bool "OMAP3 Pandora"
215a8eb7ca0STony Lindgren	depends on ARCH_OMAP3
216ffb63e34STony Lindgren	default y
217ca5742bdSTony Lindgren	select OMAP_PACKAGE_CBB
218a075ccc6SFelipe Contreras	select REGULATOR_FIXED_VOLTAGE if REGULATOR
2196fdc29e2SSyed Mohammed Khasim
2207a079cabSGregoire Gentilconfig MACH_OMAP3_TOUCHBOOK
2217a079cabSGregoire Gentil	bool "OMAP3 Touch Book"
222a8eb7ca0STony Lindgren	depends on ARCH_OMAP3
223ffb63e34STony Lindgren	default y
2247a079cabSGregoire Gentil
2256fdc29e2SSyed Mohammed Khasimconfig MACH_OMAP_3430SDP
2266fdc29e2SSyed Mohammed Khasim	bool "OMAP 3430 SDP board"
227a8eb7ca0STony Lindgren	depends on ARCH_OMAP3
228ffb63e34STony Lindgren	default y
229ca5742bdSTony Lindgren	select OMAP_PACKAGE_CBB
230ffe7f95bSLauri Leukkunen
231d2fbf345STony Lindgrenconfig MACH_NOKIA_N800
232d2fbf345STony Lindgren       bool
233d2fbf345STony Lindgren
234d2fbf345STony Lindgrenconfig MACH_NOKIA_N810
235d2fbf345STony Lindgren       bool
236d2fbf345STony Lindgren
237d2fbf345STony Lindgrenconfig MACH_NOKIA_N810_WIMAX
238d2fbf345STony Lindgren       bool
239d2fbf345STony Lindgren
24063138812SKalle Valoconfig MACH_NOKIA_N8X0
24163138812SKalle Valo	bool "Nokia N800/N810"
24259b479e0STony Lindgren	depends on SOC_OMAP2420
243ffb63e34STony Lindgren	default y
244bd8f0fc9STony Lindgren	select OMAP_PACKAGE_ZAC
245d2fbf345STony Lindgren	select MACH_NOKIA_N800
246d2fbf345STony Lindgren	select MACH_NOKIA_N810
247d2fbf345STony Lindgren	select MACH_NOKIA_N810_WIMAX
24863138812SKalle Valo
2492d200665SAaro Koskinenconfig MACH_NOKIA_RM680
25063fc5f3bSAaro Koskinen	bool "Nokia RM-680/696 board"
2512d200665SAaro Koskinen	depends on ARCH_OMAP3
2522d200665SAaro Koskinen	default y
2532d200665SAaro Koskinen	select OMAP_PACKAGE_CBB
25463fc5f3bSAaro Koskinen	select MACH_NOKIA_RM696
2552d200665SAaro Koskinen
256ffe7f95bSLauri Leukkunenconfig MACH_NOKIA_RX51
257ffe7f95bSLauri Leukkunen	bool "Nokia RX-51 board"
258a8eb7ca0STony Lindgren	depends on ARCH_OMAP3
259ffb63e34STony Lindgren	default y
260ca5742bdSTony Lindgren	select OMAP_PACKAGE_CBB
261577145f4SVikram Pandita
262577145f4SVikram Panditaconfig MACH_OMAP_ZOOM2
263577145f4SVikram Pandita	bool "OMAP3 Zoom2 board"
264a8eb7ca0STony Lindgren	depends on ARCH_OMAP3
265ffb63e34STony Lindgren	default y
266ca5742bdSTony Lindgren	select OMAP_PACKAGE_CBB
26712a75da2SGovindraj.R	select SERIAL_8250
26812a75da2SGovindraj.R	select SERIAL_CORE_CONSOLE
26912a75da2SGovindraj.R	select SERIAL_8250_CONSOLE
270a075ccc6SFelipe Contreras	select REGULATOR_FIXED_VOLTAGE if REGULATOR
27146ba0abfSSantosh Shilimkar
2725f35fbe8Svikram panditaconfig MACH_OMAP_ZOOM3
2735f35fbe8Svikram pandita	bool "OMAP3630 Zoom3 board"
274a8eb7ca0STony Lindgren	depends on ARCH_OMAP3
275ffb63e34STony Lindgren	default y
276662c8b55STony Lindgren	select OMAP_PACKAGE_CBP
27712a75da2SGovindraj.R	select SERIAL_8250
27812a75da2SGovindraj.R	select SERIAL_CORE_CONSOLE
27912a75da2SGovindraj.R	select SERIAL_8250_CONSOLE
280a075ccc6SFelipe Contreras	select REGULATOR_FIXED_VOLTAGE if REGULATOR
2815f35fbe8Svikram pandita
2822886d128SMike Rapoportconfig MACH_CM_T35
283c3146974SIgor Grinberg	bool "CompuLab CM-T35/CM-T3730 modules"
284a8eb7ca0STony Lindgren	depends on ARCH_OMAP3
285ffb63e34STony Lindgren	default y
286c3146974SIgor Grinberg	select MACH_CM_T3730
287ca5742bdSTony Lindgren	select OMAP_PACKAGE_CUS
2882886d128SMike Rapoport
289d04b620eSIgor Grinbergconfig MACH_CM_T3517
290d04b620eSIgor Grinberg	bool "CompuLab CM-T3517 module"
291d04b620eSIgor Grinberg	depends on ARCH_OMAP3
292d04b620eSIgor Grinberg	default y
293d04b620eSIgor Grinberg	select OMAP_PACKAGE_CBB
294d04b620eSIgor Grinberg
295c3146974SIgor Grinbergconfig MACH_CM_T3730
296c3146974SIgor Grinberg       bool
297c3146974SIgor Grinberg
29858e11162SEnric Balletbo i Serraconfig MACH_IGEP0020
29928e0f13cSEnric Balletbo i Serra	bool "IGEP v2 board"
300a8eb7ca0STony Lindgren	depends on ARCH_OMAP3
301ffb63e34STony Lindgren	default y
302ca5742bdSTony Lindgren	select OMAP_PACKAGE_CBB
30358e11162SEnric Balletbo i Serra
304e844b1daSEnric Balletbo i Serraconfig MACH_IGEP0030
305e844b1daSEnric Balletbo i Serra	bool "IGEP OMAP3 module"
306e844b1daSEnric Balletbo i Serra	depends on ARCH_OMAP3
307e844b1daSEnric Balletbo i Serra	default y
308e844b1daSEnric Balletbo i Serra	select OMAP_PACKAGE_CBB
3097be13ad0SMike Rapoport	select MACH_IGEP0020
310e844b1daSEnric Balletbo i Serra
3119cbc3493SJasonconfig MACH_SBC3530
3129cbc3493SJason	bool "OMAP3 SBC STALKER board"
3139cbc3493SJason	depends on ARCH_OMAP3
314ffb63e34STony Lindgren	default y
3159cbc3493SJason	select OMAP_PACKAGE_CUS
3169cbc3493SJason
31734c9ac23Svikram panditaconfig MACH_OMAP_3630SDP
31834c9ac23Svikram pandita	bool "OMAP3630 SDP board"
319a8eb7ca0STony Lindgren	depends on ARCH_OMAP3
320ffb63e34STony Lindgren	default y
321662c8b55STony Lindgren	select OMAP_PACKAGE_CBP
32234c9ac23Svikram pandita
3232c87fb2eSHemant Pedanekarconfig MACH_TI8168EVM
3242c87fb2eSHemant Pedanekar	bool "TI8168 Evaluation Module"
32533959553SKevin Hilman	depends on SOC_TI81XX
3262c87fb2eSHemant Pedanekar	default y
3272c87fb2eSHemant Pedanekar
328a890b676SHemant Pedanekarconfig MACH_TI8148EVM
329a890b676SHemant Pedanekar	bool "TI8148 Evaluation Module"
33033959553SKevin Hilman	depends on SOC_TI81XX
331a890b676SHemant Pedanekar	default y
332a890b676SHemant Pedanekar
33346ba0abfSSantosh Shilimkarconfig MACH_OMAP_4430SDP
33446ba0abfSSantosh Shilimkar	bool "OMAP 4430 SDP board"
335ffb63e34STony Lindgren	default y
33646ba0abfSSantosh Shilimkar	depends on ARCH_OMAP4
337fb6bf632SBenoit Cousson	select OMAP_PACKAGE_CBL
3386fea7b0aSBenoit Cousson	select OMAP_PACKAGE_CBS
339a075ccc6SFelipe Contreras	select REGULATOR_FIXED_VOLTAGE if REGULATOR
340183bd50fSAlexander Shishkin
341b075f58bSDavid Andersconfig MACH_OMAP4_PANDA
342b075f58bSDavid Anders	bool "OMAP4 Panda Board"
343b075f58bSDavid Anders	default y
344b075f58bSDavid Anders	depends on ARCH_OMAP4
345fc63de82Ssricharan	select OMAP_PACKAGE_CBL
346fc63de82Ssricharan	select OMAP_PACKAGE_CBS
347a075ccc6SFelipe Contreras	select REGULATOR_FIXED_VOLTAGE if REGULATOR
348b075f58bSDavid Anders
349183bd50fSAlexander Shishkinconfig OMAP3_EMU
350183bd50fSAlexander Shishkin	bool "OMAP3 debugging peripherals"
351183bd50fSAlexander Shishkin	depends on ARCH_OMAP3
352a8a6565cSMing Lei	select ARM_AMBA
353183bd50fSAlexander Shishkin	select OC_ETM
354183bd50fSAlexander Shishkin	help
355183bd50fSAlexander Shishkin	  Say Y here to enable debugging hardware of omap3
356183bd50fSAlexander Shishkin
35718862cbeSPaul Walmsleyconfig OMAP3_SDRC_AC_TIMING
35818862cbeSPaul Walmsley	bool "Enable SDRC AC timing register changes"
359a8eb7ca0STony Lindgren	depends on ARCH_OMAP3
36018862cbeSPaul Walmsley	default n
36118862cbeSPaul Walmsley	help
36218862cbeSPaul Walmsley	  If you know that none of your system initiators will attempt to
36318862cbeSPaul Walmsley	  access SDRAM during CORE DVFS, select Y here.  This should boost
36418862cbeSPaul Walmsley	  SDRAM performance at lower CORE OPPs.  There are relatively few
36518862cbeSPaul Walmsley	  users who will wish to say yes at this point - almost everyone will
36618862cbeSPaul Walmsley	  wish to say no.  Selecting yes without understanding what is
36718862cbeSPaul Walmsley	  going on could result in system crashes;
36818862cbeSPaul Walmsley
369137d105dSSantosh Shilimkarconfig OMAP4_ERRATA_I688
3702ec1fc4eSSantosh Shilimkar	bool "OMAP4 errata: Async Bridge Corruption"
3712ec1fc4eSSantosh Shilimkar	depends on ARCH_OMAP4
372137d105dSSantosh Shilimkar	select ARCH_HAS_BARRIERS
373137d105dSSantosh Shilimkar	help
374137d105dSSantosh Shilimkar	  If a data is stalled inside asynchronous bridge because of back
375137d105dSSantosh Shilimkar	  pressure, it may be accepted multiple times, creating pointer
376137d105dSSantosh Shilimkar	  misalignment that will corrupt next transfers on that data path
377137d105dSSantosh Shilimkar	  until next reset of the system (No recovery procedure once the
378137d105dSSantosh Shilimkar	  issue is hit, the path remains consistently broken). Async bridge
379137d105dSSantosh Shilimkar	  can be found on path between MPU to EMIF and MPU to L3 interconnect.
380137d105dSSantosh Shilimkar	  This situation can happen only when the idle is initiated by a
381137d105dSSantosh Shilimkar	  Master Request Disconnection (which is trigged by software when
382137d105dSSantosh Shilimkar	  executing WFI on CPU).
383137d105dSSantosh Shilimkar	  The work-around for this errata needs all the initiators connected
384137d105dSSantosh Shilimkar	  through async bridge must ensure that data path is properly drained
385137d105dSSantosh Shilimkar	  before issuing WFI. This condition will be met if one Strongly ordered
386137d105dSSantosh Shilimkar	  access is performed to the target right before executing the WFI.
387137d105dSSantosh Shilimkar	  In MPU case, L3 T2ASYNC FIFO and DDR T2ASYNC FIFO needs to be drained.
388137d105dSSantosh Shilimkar	  IO barrier ensure that there is no synchronisation loss on initiators
389137d105dSSantosh Shilimkar	  operating on both interconnect port simultaneously.
3904a54db61STony Lindgrenendmenu
3914a54db61STony Lindgren
3924a54db61STony Lindgrenendif
393