diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/psim/startup/linkcmds')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/psim/startup/linkcmds | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/c/src/lib/libbsp/powerpc/psim/startup/linkcmds b/c/src/lib/libbsp/powerpc/psim/startup/linkcmds index 571ff7a95a..23bfb4139e 100644 --- a/c/src/lib/libbsp/powerpc/psim/startup/linkcmds +++ b/c/src/lib/libbsp/powerpc/psim/startup/linkcmds @@ -17,11 +17,21 @@ ENTRY(_start) PROVIDE (PSIM_INSTRUCTIONS_PER_MICROSECOND = 10000); RamBase = DEFINED(RamBase) ? RamBase : 0x0; -RamSize = DEFINED(RamSize) ? RamSize : 8M; +/* + * make sure device tree (property /openprom/options/oea-memory-size) + * provides at least 'RamSize'. + * Also, the BATs must at map at least 'RamSize' (currently, they + * map 32M -- see startup/bspstart.c). + * Furthermore, the RAM region must be large enough (there is no + * disadvantage in making that one very large as long as it doesn't + * overlap another memory area). + * + */ +RamSize = DEFINED(RamSize) ? RamSize : 16M; MEMORY { - RAM : ORIGIN = 0, LENGTH = 8M + RAM : ORIGIN = 0, LENGTH = 32M PSIM_REGS : ORIGIN = 0x0c000000, LENGTH = 16M VECTORS : ORIGIN = 0xFFF00000, LENGTH = 0x20000 } |