hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

[MIPS] Malta: Fix build of certain configs.

This commit is contained in:
Ralf Baechle 2006-07-03 17:02:35 +01:00
parent 6fe725c01c
commit e1a4e469d7
1 changed files with 26 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
arch/mips/mips-boards/generic/memory.c
View File

@ -47,42 +47,44 @@ 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 */
/* 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);
#endif
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 */
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) {
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 {
#ifdef DEBUG
prom_printf("prom_memsize = %s\n", memsize_str);
#endif
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;
#endif
else
memsize = physical_memsize;
memset(mdesc, 0, sizeof(mdesc));