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ddr: altera: Fix DRAM end value in protection rule

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The hi address bitfield in the protection rule must be set to
the last address in the region which the rule represents. The
behavior is now in-line with code generated by Quartus 15.1 .

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
Cc: Chin Liang See <clsee@altera.com>
This commit is contained in:
Marek Vasut
2016-04-04 17:52:21 +02:00
parent 8e9e62c946
commit 164eb23f49
1 changed files with 1 additions and 1 deletions
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2
drivers/ddr/altera/sdram.c
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@ -118,7 +118,7 @@ static void sdram_set_rule(struct sdram_prot_rule *prule)
/* Obtain the address bits */
lo_addr_bits = prule->sdram_start >> 20ULL;
hi_addr_bits = prule->sdram_end >> 20ULL;
hi_addr_bits = (prule->sdram_end - 1) >> 20ULL;
debug("sdram set rule start %x, %d\n", lo_addr_bits,
prule->sdram_start);