diff options
Diffstat (limited to 'arch/mips/sgi-ip32/ip32-memory.c')
-rw-r--r-- | arch/mips/sgi-ip32/ip32-memory.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/mips/sgi-ip32/ip32-memory.c b/arch/mips/sgi-ip32/ip32-memory.c new file mode 100644 index 000000000..3fc8d0a0b --- /dev/null +++ b/arch/mips/sgi-ip32/ip32-memory.c @@ -0,0 +1,42 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2003 Keith M Wesolowski + * Copyright (C) 2005 Ilya A. Volynets (Total Knowledge) + */ +#include <linux/types.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/memblock.h> +#include <linux/mm.h> + +#include <asm/ip32/crime.h> +#include <asm/bootinfo.h> +#include <asm/page.h> + +extern void crime_init(void); + +void __init prom_meminit(void) +{ + u64 base, size; + int bank; + + crime_init(); + + for (bank=0; bank < CRIME_MAXBANKS; bank++) { + u64 bankctl = crime->bank_ctrl[bank]; + base = (bankctl & CRIME_MEM_BANK_CONTROL_ADDR) << 25; + if (bank != 0 && base == 0) + continue; + size = (bankctl & CRIME_MEM_BANK_CONTROL_SDRAM_SIZE) ? 128 : 32; + size <<= 20; + if (base + size > (256 << 20)) + base += CRIME_HI_MEM_BASE; + + printk("CRIME MC: bank %u base 0x%016Lx size %LuMiB\n", + bank, base, size >> 20); + memblock_add(base, size); + } +} |