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Blackfin: default to L1 bank A when L1 bank B does not exist

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Some parts lack Bank B in L1 data, so have the linker script fall back to
Bank A when that happens.  This way we can still leverage L1 data.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2010-12-24 19:31:55 -05:00
parent c745a84648
commit 105be9078c
1 changed files with 7 additions and 3 deletions
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10
arch/blackfin/lib/u-boot.lds.S
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@ -40,9 +40,13 @@
* This is here in the first place so we can quickly test building
* for different CPU's which may lack non-cache L1 data.
*/
#ifndef L1_DATA_A_SRAM
# define L1_DATA_A_SRAM 0
# define L1_DATA_A_SRAM_SIZE 0
#endif
#ifndef L1_DATA_B_SRAM
# define L1_DATA_B_SRAM CONFIG_SYS_MONITOR_BASE
# define L1_DATA_B_SRAM_SIZE 0
# define L1_DATA_B_SRAM L1_DATA_A_SRAM
# define L1_DATA_B_SRAM_SIZE L1_DATA_A_SRAM_SIZE
#endif
/* The 0xC offset is so we don't clobber the tiny LDR jump block. */
@ -138,7 +142,7 @@ SECTIONS
} >l1_data AT>ram_data
__data_l1_lma = LOADADDR(.data_l1);
__data_l1_len = SIZEOF(.data_l1);
ASSERT (__data_l1_len <= L1_DATA_B_SRAM_SIZE, "L1 data B overflow!")
ASSERT (__data_l1_len <= L1_DATA_B_SRAM_SIZE, "L1 data overflow!")
.bss :
{