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| author | Gregory Nutt <gnutt@nuttx.org> | 2014-03-30 10:24:31 -0600 |
|---|---|---|
| committer | Gregory Nutt <gnutt@nuttx.org> | 2014-03-30 10:24:31 -0600 |
| commit | 57ace28851638b1da5e03da8b4941f4dc2547f8c (patch) | |
| tree | 01736969739fbb7fa0a99d11190f7ba2917309bd | |
| parent | af418b4d616f1b31e465913894a908bc0302c2da (diff) | |
| download | nuttx-57ace28851638b1da5e03da8b4941f4dc2547f8c.tar.gz nuttx-57ace28851638b1da5e03da8b4941f4dc2547f8c.tar.bz2 nuttx-57ace28851638b1da5e03da8b4941f4dc2547f8c.zip | |
SAMA5 Boards: When running from SDRAM, a 32KB offset is needed by the bootloader
| -rw-r--r-- | nuttx/configs/sama5d3-xplained/scripts/ddram.ld | 9 | ||||
| -rw-r--r-- | nuttx/configs/sama5d3x-ek/scripts/ddram.ld | 9 |
2 files changed, 10 insertions, 8 deletions
diff --git a/nuttx/configs/sama5d3-xplained/scripts/ddram.ld b/nuttx/configs/sama5d3-xplained/scripts/ddram.ld index 84a52de51..edb3f63a4 100644 --- a/nuttx/configs/sama5d3-xplained/scripts/ddram.ld +++ b/nuttx/configs/sama5d3-xplained/scripts/ddram.ld @@ -33,9 +33,10 @@ * ****************************************************************************/ -/* The SAMA5D36 has 128 KB of ISRAM beginning at virtual address 0x0030:0000. - * This memory configuration, however, loads into the 256 MB SDRAM on board - * the SAMA5D3-Xplained which lies at 0x2000:0000 +/* The SAMA5D3 has 128 KB of ISRAM beginning at virtual address 0x0030:0000. + * This memory configuration, however, loads into the 256MB SDRAM on board + * the SAMA5D3 Xplained which lies at 0x2000:0000. An offset 0x00008000 is + * reserved by the bootloader. * * Vectors in low memory are assumed and 16KB of ISRAM is reserved at the * high end of ISRAM for the page table. @@ -44,7 +45,7 @@ MEMORY { isram (W!RX) : ORIGIN = 0x300000, LENGTH = 128K - 16K - sdram (W!RX) : ORIGIN = 0x20000000, LENGTH = 256M + sdram (W!RX) : ORIGIN = 0x20008000, LENGTH = 256M - 32K } OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") diff --git a/nuttx/configs/sama5d3x-ek/scripts/ddram.ld b/nuttx/configs/sama5d3x-ek/scripts/ddram.ld index 61c61219a..8735df50a 100644 --- a/nuttx/configs/sama5d3x-ek/scripts/ddram.ld +++ b/nuttx/configs/sama5d3x-ek/scripts/ddram.ld @@ -1,7 +1,7 @@ /**************************************************************************** * configs/sama5d3x-ek/scripts/ddram.ld * - * Copyright (C) 2013 Gregory Nutt. All rights reserved. + * Copyright (C) 2013-2014 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <gnutt@nuttx.org> * * Redistribution and use in source and binary forms, with or without @@ -34,8 +34,9 @@ ****************************************************************************/ /* The SAMA5D3 has 128 KB of ISRAM beginning at virtual address 0x0030:0000. - * This memory configuration, however, loads into the 64 MB SDRAM on board - * the SAMA5D3x-EK which lies at 0x2000:0000 + * This memory configuration, however, loads into the 2Gb SDRAM on board + * the SAMA5D3x-EK which lies at 0x2000:0000. An offset 0x00008000 is + * reserved by the bootloader. * * Vectors in low memory are assumed and 16KB of ISRAM is reserved at the * high end of ISRAM for the page table. @@ -44,7 +45,7 @@ MEMORY { isram (W!RX) : ORIGIN = 0x300000, LENGTH = 128K - 16K - sdram (W!RX) : ORIGIN = 0x20000000, LENGTH = 64M + sdram (W!RX) : ORIGIN = 0x20008000, LENGTH = 2G - 32K } OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") |