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spl_nor.c: Support devicetree sizes different from 16k

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The devicetrees for various platforms already exceed 16k. Add a define
CONFIG_SYS_FDT_SIZE to specify the FDT size, and set to 16k for the
two boards that define this CONFIG_SYS_FDT_BASE parameter. This
allows platforms with larger devicetree blobs to boot from NOR.

Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
This commit is contained in:
Mike Looijmans 2016-07-26 07:34:07 +02:00 committed by Tom Rini
parent 5405817a6e
commit 5aa79f2676
3 changed files with 4 additions and 2 deletions
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4
common/spl/spl_nor.c
View file

@ -40,11 +40,11 @@ int spl_nor_load_image(void)
/*
* Copy DT blob (fdt) to SDRAM. Passing pointer to
* flash doesn't work (16 KiB should be enough for DT)
* flash doesn't work
*/
memcpy((void *)CONFIG_SYS_SPL_ARGS_ADDR,
(void *)(CONFIG_SYS_FDT_BASE),
(16 << 10));
CONFIG_SYS_FDT_SIZE);
return 0;
} else {

1
include/configs/a3m071.h
View file

@ -334,6 +334,7 @@
#define CONFIG_SYS_OS_BASE 0xfc200000
#define CONFIG_SYS_FDT_BASE 0xfc1e0000
#define CONFIG_SYS_FDT_SIZE (16<<10)
#define CONFIG_EXTRA_ENV_SETTINGS \
"netdev=eth0\0" \

1
include/configs/microblaze-generic.h
View file

@ -305,6 +305,7 @@
0x60000)
#define CONFIG_SYS_FDT_BASE (CONFIG_SYS_FLASH_BASE + \
0x40000)
#define CONFIG_SYS_FDT_SIZE (16<<10)
#define CONFIG_SYS_SPL_ARGS_ADDR (CONFIG_SYS_TEXT_BASE + \
0x1000000)