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author | Ralf Baechle <ralf@linux-mips.org> | 2006-07-03 20:02:35 +0400 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2006-07-14 00:26:03 +0400 |
commit | e1a4e469d77297fd006a3cf2b605fc6f782a8d26 (patch) | |
tree | 99ff92ca3151db1e0f2063cd31783dde19ed4856 /arch/mips/mips-boards | |
parent | 6fe725c01c0c547c4287ba3de5ebc8f884178409 (diff) | |
download | linux-e1a4e469d77297fd006a3cf2b605fc6f782a8d26.tar.xz |
[MIPS] Malta: Fix build of certain configs.
Diffstat (limited to 'arch/mips/mips-boards')
-rw-r--r-- | arch/mips/mips-boards/generic/memory.c | 50 |
1 files changed, 26 insertions, 24 deletions
diff --git a/arch/mips/mips-boards/generic/memory.c b/arch/mips/mips-boards/generic/memory.c index c89fcf9e9c22..be80c5dd4a0c 100644 --- a/arch/mips/mips-boards/generic/memory.c +++ b/arch/mips/mips-boards/generic/memory.c @@ -47,43 +47,45 @@ static char *mtypes[3] = { }; #endif +/* determined physical memory size, not overridden by command line args */ +unsigned long physical_memsize = 0L; + struct prom_pmemblock * __init prom_getmdesc(void) { char *memsize_str; unsigned int memsize; char cmdline[CL_SIZE], *ptr; - /* Check the command line first for a memsize directive */ - strcpy(cmdline, arcs_cmdline); - ptr = strstr(cmdline, "memsize="); - if (ptr && (ptr != cmdline) && (*(ptr - 1) != ' ')) - ptr = strstr(ptr, " memsize="); - - if (ptr) { - memsize = memparse(ptr + 8, &ptr); - } - else { - /* otherwise look in the environment */ - memsize_str = prom_getenv("memsize"); - if (!memsize_str) { - prom_printf("memsize not set in boot prom, set to default (32Mb)\n"); - memsize = 0x02000000; - } else { + /* otherwise look in the environment */ + memsize_str = prom_getenv("memsize"); + if (!memsize_str) { + prom_printf("memsize not set in boot prom, set to default (32Mb)\n"); + physical_memsize = 0x02000000; + } else { #ifdef DEBUG - prom_printf("prom_memsize = %s\n", memsize_str); + prom_printf("prom_memsize = %s\n", memsize_str); #endif - memsize = simple_strtol(memsize_str, NULL, 0); - } + physical_memsize = simple_strtol(memsize_str, NULL, 0); } #ifdef CONFIG_CPU_BIG_ENDIAN - /* - * SOC-it swaps, or perhaps doesn't swap, when DMA'ing the last - * word of physical memory - */ - memsize -= PAGE_SIZE; + /* SOC-it swaps, or perhaps doesn't swap, when DMA'ing the last + word of physical memory */ + physical_memsize -= PAGE_SIZE; #endif + /* Check the command line for a memsize directive that overrides + the physical/default amount */ + strcpy(cmdline, arcs_cmdline); + ptr = strstr(cmdline, "memsize="); + if (ptr && (ptr != cmdline) && (*(ptr - 1) != ' ')) + ptr = strstr(ptr, " memsize="); + + if (ptr) + memsize = memparse(ptr + 8, &ptr); + else + memsize = physical_memsize; + memset(mdesc, 0, sizeof(mdesc)); mdesc[0].type = yamon_dontuse; |