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bsp: a53: modified translation table for DDR size > 2GB

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This patches modifies translation_table.S for 32bit and 64bit
BSP to limit the DDR size to 2GB if hdf contains DDR greater than
2GB size at 0x0 to comply with the specifications.

Signed-off-by: Kinjal Pravinbhai Patel <patelki@xilinx.com>
Acked-by: Anirudha Sarangi <anirudh@xilinx.com>
This commit is contained in:
Kinjal Pravinbhai Patel 2015-10-08 17:19:43 +05:30 • committed by Nava kishore Manne
parent 03ea09348d
commit ed9789b2a9
2 changed files with 10 additions and 0 deletions
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5
lib/bsp/standalone/src/cortexa53/32bit/gcc/translation_table.S
View file

@ -66,7 +66,12 @@ MMUTable:
.set DDR_START, XPAR_PSU_DDR_0_S_AXI_BASEADDR
.set DDR_END, XPAR_PSU_DDR_0_S_AXI_HIGHADDR
.set DDR_SIZE, (DDR_END - DDR_START)+1
.if DDR_SIZE > 0x80000000
/* If DDR size is larger than 2GB, truncate to 2GB */
.set DDR_REG, 0x800
.else
.set DDR_REG, DDR_SIZE/0x100000
.endif
#else
.set DDR_REG, 0
#endif

5
lib/bsp/standalone/src/cortexa53/64bit/gcc/translation_table.S
View file

@ -126,7 +126,12 @@ MMUTableL2:
.set DDR_START, XPAR_PSU_DDR_0_S_AXI_BASEADDR
.set DDR_END, XPAR_PSU_DDR_0_S_AXI_HIGHADDR
.set DDR_SIZE, (DDR_END - DDR_START)+1
.if DDR_SIZE > 0x80000000
/* If DDR size is larger than 2GB, truncate to 2GB */
.set DDR_REG, 0x400
.else
.set DDR_REG, DDR_SIZE/0x200000
.endif
#else
.set DDR_REG, 0
#endif