diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/sparc/prom/memory.c')
-rw-r--r-- | ANDROID_3.4.5/arch/sparc/prom/memory.c | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/ANDROID_3.4.5/arch/sparc/prom/memory.c b/ANDROID_3.4.5/arch/sparc/prom/memory.c deleted file mode 100644 index 3f263a64..00000000 --- a/ANDROID_3.4.5/arch/sparc/prom/memory.c +++ /dev/null @@ -1,87 +0,0 @@ -/* memory.c: Prom routine for acquiring various bits of information - * about RAM on the machine, both virtual and physical. - * - * Copyright (C) 1995, 2008 David S. Miller (davem@davemloft.net) - * Copyright (C) 1997 Michael A. Griffith (grif@acm.org) - */ - -#include <linux/kernel.h> -#include <linux/sort.h> -#include <linux/init.h> - -#include <asm/openprom.h> -#include <asm/oplib.h> -#include <asm/page.h> - -static int __init prom_meminit_v0(void) -{ - struct linux_mlist_v0 *p; - int index; - - index = 0; - for (p = *(romvec->pv_v0mem.v0_available); p; p = p->theres_more) { - sp_banks[index].base_addr = (unsigned long) p->start_adr; - sp_banks[index].num_bytes = p->num_bytes; - index++; - } - - return index; -} - -static int __init prom_meminit_v2(void) -{ - struct linux_prom_registers reg[64]; - phandle node; - int size, num_ents, i; - - node = prom_searchsiblings(prom_getchild(prom_root_node), "memory"); - size = prom_getproperty(node, "available", (char *) reg, sizeof(reg)); - num_ents = size / sizeof(struct linux_prom_registers); - - for (i = 0; i < num_ents; i++) { - sp_banks[i].base_addr = reg[i].phys_addr; - sp_banks[i].num_bytes = reg[i].reg_size; - } - - return num_ents; -} - -static int sp_banks_cmp(const void *a, const void *b) -{ - const struct sparc_phys_banks *x = a, *y = b; - - if (x->base_addr > y->base_addr) - return 1; - if (x->base_addr < y->base_addr) - return -1; - return 0; -} - -/* Initialize the memory lists based upon the prom version. */ -void __init prom_meminit(void) -{ - int i, num_ents = 0; - - switch (prom_vers) { - case PROM_V0: - num_ents = prom_meminit_v0(); - break; - - case PROM_V2: - case PROM_V3: - num_ents = prom_meminit_v2(); - break; - - default: - break; - } - sort(sp_banks, num_ents, sizeof(struct sparc_phys_banks), - sp_banks_cmp, NULL); - - /* Sentinel. */ - sp_banks[num_ents].base_addr = 0xdeadbeef; - sp_banks[num_ents].num_bytes = 0; - - for (i = 0; i < num_ents; i++) - sp_banks[i].num_bytes &= PAGE_MASK; -} |