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ti_omap5_common: mark region of DRAM protected on HS parts

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If the ending portion of the DRAM is reserved for secure
world use, then u-boot cannot use this memory for its relocation
purposes. To prevent issues, we mark this memory as PRAM and this
prevents it from being used by u-boot at all.

Signed-off-by: Daniel Allred <d-allred@ti.com>
This commit is contained in:
Daniel Allred 2016-09-02 00:40:23 -05:00 • committed by Tom Rini
parent 501f0ef304
commit 32d333f2f0
1 changed files with 8 additions and 0 deletions
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8
include/configs/ti_omap5_common.h
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@ -144,6 +144,14 @@
*/
#define TI_OMAP5_SECURE_BOOT_RESV_SRAM_SZ 0x1000
#define CONFIG_SPL_TEXT_BASE 0x40301350
/* If no specific start address is specified then the secure EMIF
* region will be placed at the end of the DDR space. In order to prevent
* the main u-boot relocation from clobbering that memory and causing a
* firewall violation, we tell u-boot that memory is protected RAM (PRAM)
*/
#if (CONFIG_TI_SECURE_EMIF_REGION_START == 0)
#define CONFIG_PRAM (CONFIG_TI_SECURE_EMIF_TOTAL_REGION_SIZE) >> 10
#endif
#else
/*
* For all booting on GP parts, the flash loader image is