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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-03-20 07:34:22 +0100 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-03-20 07:38:39 +0100 |
| commit | 5d44981c2d8891478423af82316576d00f6352ea (patch) | |
| tree | 59f5085db3eb721b14e9829faace42314c384597 /c/src/lib/libbsp/powerpc/qoriq/startup/mmu-config.c | |
| parent | bsp/ss555: Move libcpu content to bsps (diff) | |
| download | rtems-5d44981c2d8891478423af82316576d00f6352ea.tar.bz2 | |
bsp/qoriq: Fix bsp_restart()
Update #3085.
Diffstat (limited to 'c/src/lib/libbsp/powerpc/qoriq/startup/mmu-config.c')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/qoriq/startup/mmu-config.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/c/src/lib/libbsp/powerpc/qoriq/startup/mmu-config.c b/c/src/lib/libbsp/powerpc/qoriq/startup/mmu-config.c index 91a6240e10..b59d9c7114 100644 --- a/c/src/lib/libbsp/powerpc/qoriq/startup/mmu-config.c +++ b/c/src/lib/libbsp/powerpc/qoriq/startup/mmu-config.c @@ -258,33 +258,34 @@ static void TEXT config_fdt_adjust(const void *fdt) if (node >= 0) { int len; const void *val; - uint64_t begin; - uint64_t size; + uint64_t mem_begin; + uint64_t mem_size; val = fdt_getprop(fdt, node, "reg", &len); if (len == 8) { - begin = fdt32_to_cpu(((fdt32_t *) val)[0]); - size = fdt32_to_cpu(((fdt32_t *) val)[1]); + mem_begin = fdt32_to_cpu(((fdt32_t *) val)[0]); + mem_size = fdt32_to_cpu(((fdt32_t *) val)[1]); } else if (len == 16) { - begin = fdt64_to_cpu(((fdt64_t *) val)[0]); - size = fdt64_to_cpu(((fdt64_t *) val)[1]); + mem_begin = fdt64_to_cpu(((fdt64_t *) val)[0]); + mem_size = fdt64_to_cpu(((fdt64_t *) val)[1]); } else { - begin = 0; - size = 0; + mem_begin = 0; + mem_size = 0; } #ifndef __powerpc64__ - size = MIN(size, 0x80000000U); + mem_size = MIN(mem_size, 0x80000000U); #endif if ( - begin == 0 - && size > (uintptr_t) bsp_section_work_end + mem_begin == 0 + && mem_size > (uintptr_t) bsp_section_work_end && (uintptr_t) bsp_section_nocache_end < (uintptr_t) bsp_section_work_end ) { - config[WORKSPACE_ENTRY_INDEX].size += (uintptr_t) size - - (uintptr_t) bsp_section_work_end; + /* Assign new value to allow a bsp_restart() */ + config[WORKSPACE_ENTRY_INDEX].size = (uintptr_t) mem_size + - (uintptr_t) bsp_section_work_begin; } } } |