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From: Ilya Yanok <yanok@emcraft.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v4 3/6] mcx: Disable DCACHE since USB EHCI is enabled
Date: Sat, 30 Jun 2012 19:55:34 +0400	[thread overview]
Message-ID: <4FEF2176.3010301@emcraft.com> (raw)
In-Reply-To: <201206290255.00088.marex@denx.de>

Dear Marek,

29.06.2012 04:54, Marek Vasut wrote:
>> To clarify for everyone, the first part of this series fixes some
>> alignment issues for things that were not starting address aligned.
>> There still exist end-address alignment issues within ehci-hcd.  The
>> time I have for this problem right now boils down to disable dcache for
>> these boards so that USB is still functional.
> To clarify it even further -- it always worked just by sheer coincidence ...

Not exactly. It never worked (at least on my systems) with D-Cache 
enabled. But at least we had a choice of run-time disabled dcache. With 
the recent changes we have to disable cache support at compile time.

Regards, Ilya.

  parent reply	other threads:[~2012-06-30 15:55 UTC|newest]

Thread overview: 85+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-14 19:01 [U-Boot] [PATCH 0/4] USB and cache related fixes Tom Rini
2012-06-14 19:01 ` [U-Boot] [PATCH 1/4] ehci-omap: Do not call dcache_off from omap_ehci_hcd_init Tom Rini
2012-06-14 21:57   ` Marek Vasut
2012-06-14 22:14     ` Tom Rini
2012-06-14 19:01 ` [U-Boot] [PATCH 2/4] cache_v7: Check for dcache enablement in dcache flush functions Tom Rini
2012-06-14 22:00   ` Marek Vasut
2012-06-14 22:11     ` Tom Rini
2012-06-14 23:17       ` Marek Vasut
2012-06-15  5:48   ` R, Sricharan
2012-06-15 14:07     ` Tom Rini
2012-06-15 14:25       ` Marek Vasut
2012-06-15 14:30         ` Tom Rini
2012-06-15 14:33           ` Marek Vasut
2012-06-15 14:48       ` R, Sricharan
2012-06-15 15:00         ` Tom Rini
2012-06-15 15:18           ` R, Sricharan
2012-06-15 15:20             ` Tom Rini
2012-06-18 14:13               ` R, Sricharan
2012-06-18 15:23                 ` Tom Rini
2012-06-20 16:46         ` Aneesh V
2012-06-21  9:25           ` Sricharan R
2012-06-21 15:23             ` R, Sricharan
2012-06-27 23:40               ` Aneesh V
2012-06-28  5:49                 ` R, Sricharan
2012-06-27 23:17             ` Aneesh V
2012-06-14 19:01 ` [U-Boot] [PATCH 3/4] ehci-hcd.c: Add a new USB_DMA_MINALIGN define for cache alignment Tom Rini
2012-06-14 19:29   ` Marek Vasut
2012-06-14 19:30     ` Tom Rini
2012-06-14 19:41       ` Marek Vasut
2012-06-14 19:54         ` Tom Rini
2012-06-14 20:02           ` Marek Vasut
2012-06-14 19:01 ` [U-Boot] [PATCH 4/4] musb_core.h: " Tom Rini
2012-06-14 21:45 ` [U-Boot] [PATCH v2 0/3] USB and cache related fixes Tom Rini
2012-06-14 21:45   ` [U-Boot] [PATCH v2 1/3] ehci-omap: Do not call dcache_off from omap_ehci_hcd_init Tom Rini
2012-06-14 21:45   ` [U-Boot] [PATCH v2 2/3] cache_v7: Check for dcache enablement in dcache flush functions Tom Rini
2012-06-14 21:45   ` [U-Boot] [PATCH v2 3/3] ehci-hcd.c, musb_core, usb.h: Add USB_DMA_MINALIGN define for cache alignment Tom Rini
2012-06-20 16:21   ` [U-Boot] [PATCH v3 0/6] USB and cache related fixes Tom Rini
2012-06-20 16:21     ` [U-Boot] [PATCH v3 1/6] ehci-omap: Do not call dcache_off from omap_ehci_hcd_init Tom Rini
2012-06-20 16:21     ` [U-Boot] [PATCH v3 2/6] ehci-hcd.c, musb_core, usb.h: Add USB_DMA_MINALIGN define for cache alignment Tom Rini
2012-06-20 19:00       ` Marek Vasut
2012-06-20 19:15         ` Tom Rini
2012-06-20 21:15           ` Marek Vasut
2012-06-20 22:07             ` Tom Rini
2012-06-21  0:09               ` Marek Vasut
2012-06-20 16:21     ` [U-Boot] [PATCH v3 3/6] mcx: Disable DCACHE since USB EHCI is enabled Tom Rini
2012-06-20 16:21     ` [U-Boot] [PATCH v3 4/6] omap3_beagle: " Tom Rini
2012-06-20 16:21     ` [U-Boot] [PATCH v3 5/6] omap4_panda: " Tom Rini
2012-06-20 16:21     ` [U-Boot] [PATCH v3 6/6] tam3517-common: " Tom Rini
2012-06-20 22:14     ` [U-Boot] [PATCH v4 0/6] USB and cache related fixes Tom Rini
2012-06-20 22:14       ` [U-Boot] [PATCH v4 1/6] ehci-omap: Do not call dcache_off from omap_ehci_hcd_init Tom Rini
2012-06-20 22:14       ` [U-Boot] [PATCH v4 2/6] ehci-hcd.c, musb_core, usb.h: Add USB_DMA_MINALIGN define for cache alignment Tom Rini
2012-06-20 22:14       ` [U-Boot] [PATCH v4 3/6] mcx: Disable DCACHE since USB EHCI is enabled Tom Rini
2012-06-27 22:28         ` Ilya Yanok
2012-06-27 22:48           ` Marek Vasut
2012-06-28 13:57             ` Ilya Yanok
2012-06-28 14:37               ` Marek Vasut
2012-06-28 14:57                 ` Ilya Yanok
2012-06-28 15:41                   ` Marek Vasut
2012-06-30 15:51                     ` Ilya Yanok
2012-06-30 19:27                       ` Marek Vasut
2012-07-03 20:10                         ` Ilya Yanok
2012-07-03 21:23                           ` Marek Vasut
2012-06-28 17:29                 ` Tom Rini
2012-06-28 22:01                   ` Marek Vasut
2012-06-28 22:34                     ` Tom Rini
2012-06-28 22:36                       ` Marek Vasut
2012-06-28 23:01                         ` Tom Rini
2012-06-29  0:54                           ` Marek Vasut
2012-06-29  2:14                             ` Tom Rini
2012-06-30 15:55                             ` Ilya Yanok [this message]
2012-06-30 19:28                               ` Marek Vasut
2012-07-03 20:13                                 ` Ilya Yanok
2012-07-03 20:43                                   ` Tom Rini
2012-07-03 21:12                                     ` Ilya Yanok
2012-07-04  0:14                                       ` Marek Vasut
2012-07-04 13:08                                         ` Ilya Yanok
2012-07-03 21:24                                     ` Marek Vasut
2012-06-20 22:14       ` [U-Boot] [PATCH v4 4/6] omap3_beagle: " Tom Rini
2012-06-20 22:14       ` [U-Boot] [PATCH v4 5/6] omap4_panda: " Tom Rini
2012-06-21 11:19         ` Sricharan R
2012-06-21 16:40           ` R, Sricharan
2012-06-20 22:14       ` [U-Boot] [PATCH v4 6/6] tam3517-common: " Tom Rini
2012-06-14 22:02 ` [U-Boot] [PATCH 0/4] USB and cache related fixes Marek Vasut
2012-06-14 22:13   ` Tom Rini
2012-06-14 23:17     ` Marek Vasut

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