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| author | Alexey Brodkin <Alexey.Brodkin@synopsys.com> | 2013-11-27 22:32:40 +0400 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2013-12-13 09:17:32 -0500 |
| commit | 9aed5a277738d7427b1949d75afbf95505c09499 (patch) | |
| tree | 03452bd830f0834655d8cf1d25e5878ba67ccbd1 /common | |
| parent | 07a1a0c93161733ff4473ebb7d642eb8b68d974e (diff) | |
| download | u-boot-imx-9aed5a277738d7427b1949d75afbf95505c09499.zip u-boot-imx-9aed5a277738d7427b1949d75afbf95505c09499.tar.gz u-boot-imx-9aed5a277738d7427b1949d75afbf95505c09499.tar.bz2 | |
board_f: explicitly disable console on early boot
If U-Boot build with DEBUG enabled/defined the first call of "debug"
function (that dumps data to any available console) will happen before
zeroing of initial "gd" in init call "zero_global_data" in
"init_sequence_f".
And if stack was not filled with zeros chances are high that
"gd->have_console" won't be 0. In its turn it will cause attempt to
output things to non-initialized yet serial console.
So for safety and predictability we set "gd->have_console = 0".
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Mischa Jonker <mjonker@synopsys.com>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'common')
| -rw-r--r-- | common/board_f.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/common/board_f.c b/common/board_f.c index f0664bc..fcfd713 100644 --- a/common/board_f.c +++ b/common/board_f.c @@ -1010,6 +1010,7 @@ void board_init_f(ulong boot_flags) #endif gd->flags = boot_flags; + gd->have_console = 0; if (initcall_run_list(init_sequence_f)) hang(); |