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  • Nicolas Frattaroli Nicolas Frattaroli fratti
1 author
  1. Sep 16, 2014
  3. Sep 13, 2014
  5. Sep 11, 2014
    • Benoît Thébaudeau's avatar
      arm: Fix _start for CONFIG_SYS_DV_NOR_BOOT_CFG · a7f99bf1
      Benoît Thébaudeau authored 
      
The boards using CONFIG_SYS_DV_NOR_BOOT_CFG (i.e. calimain,
da850evm_direct_nor and enbw_cmc) had the _start symbol defined after
the CONFIG_SYS_DV_NOR_BOOT_CFG word rather than before it in
arch/arm/lib/vectors.S. Because of that, if by lack of luck
'gd->mon_len = (ulong)&__bss_end - (ulong)_start' (see setup_mon_len())
was a multiple of 4 kiB (see reserve_uboot()), then the last BSS word
overlapped the first word of the following reserved RAM area (or went
beyond the top of RAM without such an area) after relocation because
__image_copy_start did not match _start (see relocate_code()).

This was broken by commit 41623c91 'arm: move exception handling out of
start.S files', which defined _start twice (before and after the
CONFIG_SYS_DV_NOR_BOOT_CFG word), then by commit 0a26e1d6 'arm: fix a
double-definition error of _start symbol', which kept the definition of
the _start symbol after the CONFIG_SYS_DV_NOR_BOOT_CFG word. This new
commit fixes this issue by restoring the original behavior, i.e. by
defining the _start symbol before the CONFIG_SYS_DV_NOR_BOOT_CFG word.

Signed-off-by: default avatarBenoît Thébaudeau <benoit.thebaudeau.dev@gmail.com>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: Manfred Rudigier <manfred.rudigier@omicron.at>
Cc: Christian Riesch <christian.riesch@omicron.at>
Cc: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Cc: Heiko Schocher <hs@denx.de>
      a7f99bf1
    • Benoît Thébaudeau's avatar
      arm: Make reset position-independent · 58f9e1ae
      Benoît Thébaudeau authored 
      
Some boards, like mx31pdk and tx25, require the beginning of the SPL
code to be position-independent. For these two boards, this is because
they use the i.MX external NAND boot, which starts by executing the
first NAND Flash page from the NFC page buffer. The SPL then needs to
copy itself to its actual link address in order to free the NFC page
buffer and use it to load the non-SPL image from Flash before running
it. This means that the SPL runtime address differs from its link
address between the reset and the initial copy performed by
board_init_f(), so this part of the SPL binary must be
position-independent.

This requirement was broken by commit 41623c91 'arm: move exception
handling out of start.S files', which used an absolute address to branch
to the reset routine. This new commit restores the original behavior,
which just performed a relative branch. This fixes the boot of mx31pdk
and tx25.

Signed-off-by: default avatarBenoît Thébaudeau <benoit.thebaudeau.dev@gmail.com>
Reported-by: default avatarHelmut Raiger <helmut.raiger@hale.at>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: Magnus Lilja <lilja.magnus@gmail.com>
Cc: John Rigby <jcrigby@gmail.com>
Tested-by: default avatarMagnus Lilja <lilja.magnus@gmail.com>
      58f9e1ae
  7. Sep 10, 2014
    • Simon Glass's avatar
      tegra: dts: Add serial port details · c3691392
      Simon Glass authored 
      
Some Tegra device tree files do not include information about the serial
ports. Add this and also add information about the input clock speed.

The console alias needs to be set up to indicate which port is used for
the console.

Also add a binding file since this is missing.

Series-changes; 5
- Add full serial port nodes from Linux tree (commit fc9d4dbe)
- Use /chosen/stdout-path instead of /aliases/console to specify the console

Signed-off-by: default avatarSimon Glass <sjg@chromium.org>
      c3691392
    • Simon Glass's avatar
      sandbox: dts: Add a serial console node · 2a9ae6e0
      Simon Glass authored 
      
If the sandbox device tree is provided to U-Boot (with the -d flag) then it
will use the device tree version in preference to the built-in device. The
only difference is the colour.

Signed-off-by: default avatarSimon Glass <sjg@chromium.org>
      2a9ae6e0
    • Simon Glass's avatar
      tegra: Convert tegra GPIO driver to use driver model · 2fccd2d9
      Simon Glass authored 
      
This is an implementation of GPIOs for Tegra that uses driver model. It has
been tested on trimslice and also using the new iotrace feature.

The implementation uses a top-level GPIO device (which has no actual GPIOS).
Under this all the banks are created as separate GPIO devices.

The GPIOs are named as per the Tegra datasheet/header files: A0..A7, B0..B7,
..., Z0..Z7, AA0..AA7, etc.

Since driver model is not yet available before relocation, or in SPL, a
special function is provided for seaboard's SPL code.

Signed-off-by: default avatarSimon Glass <sjg@chromium.org>
      2fccd2d9
  9. Sep 09, 2014
  11. Sep 08, 2014
  13. Sep 05, 2014
  15. Sep 04, 2014
  17. Sep 02, 2014
  19. Sep 01, 2014
  21. Aug 31, 2014