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efi: Add a hook to allow adding memory mapping 

Instead of adding all memory banks, add a hook so individual SoC/board
can has its own implementation.

Signed-off-by: York Sun <york.sun@nxp.com>
CC: Alexander Graf <agraf@suse.de>
Reviewed-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
York Sun 2017-03-06 09:02:27 -08:00
parent f692d4eef4
commit 426337455e
1 changed files with 10 additions and 4 deletions
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14
lib/efi_loader/efi_memory.c
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@ -431,11 +431,8 @@ efi_status_t efi_get_memory_map(unsigned long *memory_map_size,
return EFI_SUCCESS;
}
int efi_memory_init(void)
__weak void efi_add_known_memory(void)
{
unsigned long runtime_start, runtime_end, runtime_pages;
unsigned long uboot_start, uboot_pages;
unsigned long uboot_stack_size = 16 * 1024 * 1024;
int i;
/* Add RAM */
@ -448,6 +445,15 @@ int efi_memory_init(void)
efi_add_memory_map(start, pages, EFI_CONVENTIONAL_MEMORY,
false);
}
}
int efi_memory_init(void)
{
unsigned long runtime_start, runtime_end, runtime_pages;
unsigned long uboot_start, uboot_pages;
unsigned long uboot_stack_size = 16 * 1024 * 1024;
efi_add_known_memory();
/* Add U-Boot */
uboot_start = (gd->start_addr_sp - uboot_stack_size) & ~EFI_PAGE_MASK;