From: Miquel Raynal <miquel.raynal@bootlin.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 00/12] Enable returning back to BootROM from spear SPL
Date: Tue, 7 May 2019 14:52:10 +0200 [thread overview]
Message-ID: <20190507145210.7c1513a9@xps13> (raw)
In-Reply-To: <5cb343aa-9981-6d36-f9fc-98c0a16209c9@denx.de>
Hi Stefan,
Stefan Roese <sr@denx.de> wrote on Tue, 7 May 2019 14:50:02 +0200:
> On 07.05.19 14:18, Miquel Raynal wrote:
> > Spear machines currently have only the possibility to boot from NOR
> > while an interesting alternative exist: booting from USB. For this,
> > the BootROM will enumerate an USB device and wait for a RAM driver
> > (likely, the SPL). It will load the driver in SRAM and jump to
> > it. Once the initialization done, the SPL must return back into the
> > BootROM so that another enumeration occurs allowing the user to upload
> > the full Bootloader (eg. U-Boot). The BootROM will finally load the
> > file in RAM and jump into it.
> >
> > Most of the patches are cleanups and preparation work to ease the
> > reading of the main assembly file.
> >
> > The last patch is a fallback on USB Boot if the NOR is empty or
> > corrupted. Of course if USB boot has not been enabled, nothing will
> > happen.
> >
> > Tested on a custom board featuring a SPEAr600.
> >
> > Hope this change will find users!
>
> Many thanks for working on this and improving the neglected SPEAr
> U-Boot port. It's quite some time since I worked on this platform
> and I still do have a x600 board hidden somewhere. Frankly, if
> there is no real need I will not dig this board up to update and
> test a new U-Boot version on it (sorry).
Absolutely no problem, thanks for reviewing!
Miquèl
prev parent reply other threads:[~2019-05-07 12:52 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-07 12:18 [U-Boot] [PATCH 00/12] Enable returning back to BootROM from spear SPL Miquel Raynal
2019-05-07 12:18 ` [U-Boot] [PATCH 01/12] spl: Fix typo in kernel doc Miquel Raynal
2019-05-07 12:40 ` Stefan Roese
2019-07-11 22:05 ` Tom Rini
2019-05-07 12:18 ` [U-Boot] [PATCH 02/12] arm: spear: Drop useless board_init_r call Miquel Raynal
2019-05-07 12:40 ` Stefan Roese
2019-07-11 22:05 ` Tom Rini
2019-05-07 12:18 ` [U-Boot] [PATCH 03/12] arm: spear: Call the SPL 'SPL', not 'Xloader' Miquel Raynal
2019-05-07 12:40 ` Stefan Roese
2019-07-11 22:05 ` Tom Rini
2019-05-07 12:18 ` [U-Boot] [PATCH 04/12] arm: spear: Drop false comment Miquel Raynal
2019-05-07 12:41 ` Stefan Roese
2019-07-11 22:05 ` Tom Rini
2019-05-07 12:18 ` [U-Boot] [PATCH 05/12] arm: spear: Fix the main comment in start.S Miquel Raynal
2019-05-07 12:41 ` Stefan Roese
2019-07-11 22:05 ` Tom Rini
2019-05-07 12:18 ` [U-Boot] [PATCH 06/12] arm: spear: Purely cosmetic changes " Miquel Raynal
2019-05-07 12:41 ` Stefan Roese
2019-07-11 22:05 ` Tom Rini
2019-05-07 12:18 ` [U-Boot] [PATCH 07/12] arm: spear: Use PUSH/POP mnemonics when relevant Miquel Raynal
2019-05-07 12:42 ` Stefan Roese
2019-07-11 22:05 ` Tom Rini
2019-05-07 12:18 ` [U-Boot] [PATCH 08/12] arm: spear: Reference the link register with LR instead of R14 Miquel Raynal
2019-05-07 12:42 ` Stefan Roese
2019-07-11 22:05 ` Tom Rini
2019-05-07 12:18 ` [U-Boot] [PATCH 09/12] arm: spear: Simplify start.S organization Miquel Raynal
2019-05-07 12:42 ` Stefan Roese
2019-07-11 22:05 ` Tom Rini
2019-05-07 12:18 ` [U-Boot] [PATCH 10/12] arm: spear: Support returning to BootROM Miquel Raynal
2019-05-07 12:44 ` Stefan Roese
2019-07-11 22:05 ` Tom Rini
2019-05-07 12:18 ` [U-Boot] [PATCH 11/12] arm: spear: Do not link the _main branch Miquel Raynal
2019-05-07 12:44 ` Stefan Roese
2019-07-11 22:05 ` Tom Rini
2019-05-07 12:18 ` [U-Boot] [PATCH 12/12] arm: spear: Return to BootROM if failing to boot from the main device Miquel Raynal
2019-05-07 12:45 ` Stefan Roese
2019-07-11 22:05 ` Tom Rini
2019-05-07 12:50 ` [U-Boot] [PATCH 00/12] Enable returning back to BootROM from spear SPL Stefan Roese
2019-05-07 12:52 ` Miquel Raynal [this message]
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