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common/board_f.c: remove CONFIG_SYS_GENERIC_GLOBAL_DATA

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CONFIG_SYS_GENERIC_GLOBAL_DATA is no longer used by any board or
platform, so support for it can be dropped.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: Vladimir Zapolskiy <vz@mleia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Thomas Petazzoni 2017-08-15 23:11:02 +02:00 committed by Tom Rini
parent fb53e7eb60
commit c1ee8936bf
3 changed files with 0 additions and 34 deletions
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6
README
View file

@ -404,12 +404,6 @@ The following options need to be configured:
supported, core will start to execute uboot when wakes up. supported, core will start to execute uboot when wakes up.
- Generic CPU options: - Generic CPU options:
CONFIG_SYS_GENERIC_GLOBAL_DATA
Defines global data is initialized in generic board board_init_f().
If this macro is defined, global data is created and cleared in
generic board board_init_f(). Without this macro, architecture/board
should initialize global data before calling board_init_f().
CONFIG_SYS_BIG_ENDIAN, CONFIG_SYS_LITTLE_ENDIAN CONFIG_SYS_BIG_ENDIAN, CONFIG_SYS_LITTLE_ENDIAN
Defines the endianess of the CPU. Implementation of those Defines the endianess of the CPU. Implementation of those

27
common/board_f.c
View file

@ -211,14 +211,6 @@ static int init_func_spi(void)
} }
#endif #endif
__maybe_unused
static int zero_global_data(void)
{
memset((void *)gd, '\0', sizeof(gd_t));
return 0;
}
static int setup_mon_len(void) static int setup_mon_len(void)
{ {
#if defined(__ARM__) || defined(__MICROBLAZE__) #if defined(__ARM__) || defined(__MICROBLAZE__)
@ -910,25 +902,6 @@ static const init_fnc_t init_sequence_f[] = {
void board_init_f(ulong boot_flags) void board_init_f(ulong boot_flags)
{ {
#ifdef CONFIG_SYS_GENERIC_GLOBAL_DATA
/*
* For some architectures, global data is initialized and used before
* calling this function. The data should be preserved. For others,
* CONFIG_SYS_GENERIC_GLOBAL_DATA should be defined and use the stack
* here to host global data until relocation.
*/
gd_t data;
gd = &data;
/*
* Clear global data before it is accessed at debug print
* in initcall_run_list. Otherwise the debug print probably
* get the wrong value of gd->have_console.
*/
zero_global_data();
#endif
gd->flags = boot_flags; gd->flags = boot_flags;
gd->have_console = 0; gd->have_console = 0;

1
scripts/config_whitelist.txt
View file

@ -3342,7 +3342,6 @@ CONFIG_SYS_GBIT_MII_BUSNAME
CONFIG_SYS_GBL_DATA_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
CONFIG_SYS_GBL_DATA_SIZE CONFIG_SYS_GBL_DATA_SIZE
CONFIG_SYS_GENERIC_BOARD CONFIG_SYS_GENERIC_BOARD
CONFIG_SYS_GENERIC_GLOBAL_DATA
CONFIG_SYS_GIC400_ADDR CONFIG_SYS_GIC400_ADDR
CONFIG_SYS_GP1DIR CONFIG_SYS_GP1DIR
CONFIG_SYS_GP1ODR CONFIG_SYS_GP1ODR