From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 12/24] arm: Allow cleanup_before_linux() without disabling caches
Date: Mon, 4 May 2015 20:02:03 +0200 [thread overview]
Message-ID: <201505042002.03750.marex@denx.de> (raw)
In-Reply-To: <CAPnjgZ1khJE6c7NoAnNf4i1ga43L_UBCJ9oTDrAs=53rqwCYqQ@mail.gmail.com>
On Monday, May 04, 2015 at 07:49:16 PM, Simon Glass wrote:
> Hi Marek,
Hi Simon,
> On 4 May 2015 at 11:36, Marek Vasut <marex@denx.de> wrote:
> > On Monday, May 04, 2015 at 07:31:05 PM, Simon Glass wrote:
> >> This function is used before jumping to U-Boot, but in that case we
> >> don't always want to disable caches.
> >>
> >> Signed-off-by: Simon Glass <sjg@chromium.org>
> >> Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
> >
> > In which usecase exactly is this applicable please ? :)
>
> This is sort-of related to "Enable detecting when U-Boot is started
> from SPL" so there are some details there.
>
> I was able to get SPL to enable the cache and leave it on all the way
> through the verified boot flow (read-only and read-write U-Boot) and
> it saved about 600ms. So in short this refactor allows you to jump
> into U-Boot with the cache still enabled.
Sounds good, thanks for clarifying !
Best regards,
Marek Vasut
next prev parent reply other threads:[~2015-05-04 18:02 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-04 17:30 [U-Boot] [PATCH 01/24] usb: add device connection/disconnection detection Simon Glass
2015-05-04 17:30 ` [U-Boot] [PATCH 02/24] dm: usb: Implement usb_detect_change() for driver model Simon Glass
2015-05-04 20:55 ` Joe Hershberger
2015-05-04 17:30 ` [U-Boot] [PATCH 03/24] bootstage: Add IDs for SPI flash reading and decompression Simon Glass
2015-05-04 20:57 ` Joe Hershberger
2015-05-08 5:58 ` Jagan Teki
2015-05-12 22:40 ` Simon Glass
2015-05-04 17:30 ` [U-Boot] [PATCH 04/24] dm: i2c: Implement 'i2c bus' command for driver model Simon Glass
2015-05-04 20:35 ` Joe Hershberger
2015-05-06 5:44 ` Heiko Schocher
2015-05-06 14:34 ` Simon Glass
2015-05-12 22:40 ` Simon Glass
2015-05-04 17:30 ` [U-Boot] [PATCH 05/24] dm: i2c: Add a function to find out the chip offset length Simon Glass
2015-05-04 20:43 ` Joe Hershberger
2015-05-06 5:37 ` Heiko Schocher
2015-05-12 22:40 ` Simon Glass
2015-05-04 17:30 ` [U-Boot] [PATCH 06/24] tpm: Support using driver model with I2C Simon Glass
2015-05-12 22:40 ` Simon Glass
2015-05-04 17:31 ` [U-Boot] [PATCH 07/24] tpm: Rename Infineon TPM to slb9645tt Simon Glass
2015-05-12 22:41 ` Simon Glass
2015-05-04 17:31 ` [U-Boot] [PATCH 08/24] dm: gpio: Fix comment typo in GPIOD_IS_IN Simon Glass
2015-05-12 22:41 ` Simon Glass
2015-05-04 17:31 ` [U-Boot] [PATCH 09/24] arm: Include the .got section in the binary Simon Glass
2015-05-12 22:41 ` Simon Glass
2015-05-04 17:31 ` [U-Boot] [PATCH 10/24] arm: Add a prototype for save_boot_params_ret() Simon Glass
2015-05-04 21:09 ` Joe Hershberger
2015-05-12 22:41 ` Simon Glass
2015-05-04 17:31 ` [U-Boot] [PATCH 11/24] arm: spl: Enable detecting when U-Boot is started from SPL Simon Glass
2015-05-04 20:39 ` Joe Hershberger
2015-05-04 17:31 ` [U-Boot] [PATCH 12/24] arm: Allow cleanup_before_linux() without disabling caches Simon Glass
2015-05-04 17:36 ` Marek Vasut
2015-05-04 17:49 ` Simon Glass
2015-05-04 18:02 ` Marek Vasut [this message]
2015-05-04 17:31 ` [U-Boot] [PATCH 13/24] sandbox: Add an implementation for cleanup_before_linux_select() Simon Glass
2015-05-04 17:31 ` [U-Boot] [PATCH 14/24] sandbox: Correct error handling in state_read_file() Simon Glass
2015-05-04 21:12 ` Joe Hershberger
2015-05-12 22:41 ` Simon Glass
2015-05-04 17:31 ` [U-Boot] [PATCH 15/24] sandbox: Add missing errno.h includes in a few files Simon Glass
2015-05-12 22:41 ` Simon Glass
2015-05-04 17:31 ` [U-Boot] [PATCH 16/24] sandbox: cros_ec: Support EC_CMD_ENTERING_MODE emulation Simon Glass
2015-05-12 22:41 ` Simon Glass
2015-05-04 17:31 ` [U-Boot] [PATCH 17/24] sandbox: spi: Add newline to printf() in sandbox_sf_probe Simon Glass
2015-05-04 21:06 ` Joe Hershberger
2015-05-08 5:58 ` Jagan Teki
2015-05-12 22:41 ` Simon Glass
2015-05-04 17:31 ` [U-Boot] [PATCH 18/24] sandbox: Fix warning in display_options Simon Glass
2015-05-04 21:45 ` Joe Hershberger
2015-05-12 22:41 ` Simon Glass
2015-05-04 17:31 ` [U-Boot] [PATCH 19/24] sandbox: Support wide-screen LCD emulation Simon Glass
2015-05-04 21:27 ` Joe Hershberger
2015-05-04 21:36 ` Simon Glass
2015-05-12 22:41 ` Simon Glass
2015-05-04 17:31 ` [U-Boot] [PATCH 20/24] lcd: Support colour lookup table on 16bpp display in BMP images Simon Glass
2015-05-04 21:42 ` Joe Hershberger
2015-05-04 17:31 ` [U-Boot] [PATCH 21/24] tegra124: Implement spl_was_boot_source() Simon Glass
2015-05-05 15:54 ` Stephen Warren
2015-05-05 16:02 ` Simon Glass
2015-05-05 16:10 ` Stephen Warren
2015-05-05 16:19 ` Simon Glass
2015-05-05 18:07 ` Stephen Warren
2015-05-06 19:04 ` Simon Glass
2015-05-04 17:31 ` [U-Boot] [PATCH 22/24] tegra: nyan-big: Allow TPM on I2C Simon Glass
2015-05-04 17:52 ` Stephen Warren
2015-05-04 17:31 ` [U-Boot] [PATCH 23/24] tegra: mmc: Set the removable flag correctly Simon Glass
2015-05-04 22:00 ` Joe Hershberger
2015-05-05 9:39 ` Pantelis Antoniou
2015-05-04 17:31 ` [U-Boot] [PATCH 24/24] tegra124: Expand SPL space by 8KB Simon Glass
2015-05-05 15:59 ` Stephen Warren
2015-05-05 16:03 ` Simon Glass
2015-05-05 16:12 ` Stephen Warren
2015-05-05 16:26 ` Simon Glass
2015-05-05 18:20 ` Stephen Warren
2015-05-06 19:04 ` Simon Glass
2015-05-05 16:03 ` Simon Glass
2015-05-05 16:13 ` Tom Warren
2015-05-12 22:40 ` [U-Boot] [PATCH 01/24] usb: add device connection/disconnection detection Simon Glass
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