summaryrefslogtreecommitdiff
path: root/arch/sparc
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/mm/fault.c2
-rw-r--r--arch/sparc/prom/memory.c103
2 files changed, 5 insertions, 100 deletions
diff --git a/arch/sparc/mm/fault.c b/arch/sparc/mm/fault.c
index e4d9c8e19df5..f25876a56fe6 100644
--- a/arch/sparc/mm/fault.c
+++ b/arch/sparc/mm/fault.c
@@ -55,7 +55,7 @@ int prom_probe_memory (void)
register int i;
i = 0;
- mlist= *prom_meminfo()->v0_available;
+ mlist= prom_meminfo();
bytes = tally = mlist->num_bytes;
base_paddr = (unsigned long) mlist->start_adr;
diff --git a/arch/sparc/prom/memory.c b/arch/sparc/prom/memory.c
index b0c0f9c4fc14..08ac1bf2e588 100644
--- a/arch/sparc/prom/memory.c
+++ b/arch/sparc/prom/memory.c
@@ -1,5 +1,4 @@
-/* $Id: memory.c,v 1.15 2000/01/29 01:09:12 anton Exp $
- * memory.c: Prom routine for acquiring various bits of information
+/* memory.c: Prom routine for acquiring various bits of information
* about RAM on the machine, both virtual and physical.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
@@ -22,19 +21,9 @@
*/
struct linux_prom_registers prom_reg_memlist[64];
-struct linux_prom_registers prom_reg_tmp[64];
-struct linux_mlist_v0 prom_phys_total[64];
-struct linux_mlist_v0 prom_prom_taken[64];
struct linux_mlist_v0 prom_phys_avail[64];
-struct linux_mlist_v0 *prom_ptot_ptr = prom_phys_total;
-struct linux_mlist_v0 *prom_ptak_ptr = prom_prom_taken;
-struct linux_mlist_v0 *prom_pavl_ptr = prom_phys_avail;
-
-struct linux_mem_v0 prom_memlist;
-
-
/* Internal Prom library routine to sort a linux_mlist_v0 memory
* list. Used below in initialization.
*/
@@ -77,23 +66,6 @@ void __init prom_meminit(void)
switch(prom_vers) {
case PROM_V0:
/* Nice, kind of easier to do in this case. */
- /* First, the total physical descriptors. */
- for(mptr = (*(romvec->pv_v0mem.v0_totphys)), iter=0;
- mptr; mptr=mptr->theres_more, iter++) {
- prom_phys_total[iter].start_adr = mptr->start_adr;
- prom_phys_total[iter].num_bytes = mptr->num_bytes;
- prom_phys_total[iter].theres_more = &prom_phys_total[iter+1];
- }
- prom_phys_total[iter-1].theres_more = NULL;
- /* Second, the total prom taken descriptors. */
- for(mptr = (*(romvec->pv_v0mem.v0_prommap)), iter=0;
- mptr; mptr=mptr->theres_more, iter++) {
- prom_prom_taken[iter].start_adr = mptr->start_adr;
- prom_prom_taken[iter].num_bytes = mptr->num_bytes;
- prom_prom_taken[iter].theres_more = &prom_prom_taken[iter+1];
- }
- prom_prom_taken[iter-1].theres_more = NULL;
- /* Last, the available physical descriptors. */
for(mptr = (*(romvec->pv_v0mem.v0_available)), iter=0;
mptr; mptr=mptr->theres_more, iter++) {
prom_phys_avail[iter].start_adr = mptr->start_adr;
@@ -101,9 +73,6 @@ void __init prom_meminit(void)
prom_phys_avail[iter].theres_more = &prom_phys_avail[iter+1];
}
prom_phys_avail[iter-1].theres_more = NULL;
- /* Sort all the lists. */
- prom_sortmemlist(prom_phys_total);
- prom_sortmemlist(prom_prom_taken);
prom_sortmemlist(prom_phys_avail);
break;
case PROM_V2:
@@ -124,69 +93,12 @@ void __init prom_meminit(void)
&prom_phys_avail[iter+1];
}
prom_phys_avail[iter-1].theres_more = NULL;
-
- num_regs = prom_getproperty(node, "reg",
- (char *) prom_reg_memlist,
- sizeof(prom_reg_memlist));
- num_regs = (num_regs/sizeof(struct linux_prom_registers));
- for(iter=0; iter<num_regs; iter++) {
- prom_phys_total[iter].start_adr =
- (char *) prom_reg_memlist[iter].phys_addr;
- prom_phys_total[iter].num_bytes =
- (unsigned long) prom_reg_memlist[iter].reg_size;
- prom_phys_total[iter].theres_more =
- &prom_phys_total[iter+1];
- }
- prom_phys_total[iter-1].theres_more = NULL;
-
- node = prom_getchild(prom_root_node);
- node = prom_searchsiblings(node, "virtual-memory");
- num_regs = prom_getproperty(node, "available",
- (char *) prom_reg_memlist,
- sizeof(prom_reg_memlist));
- num_regs = (num_regs/sizeof(struct linux_prom_registers));
-
- /* Convert available virtual areas to taken virtual
- * areas. First sort, then convert.
- */
- for(iter=0; iter<num_regs; iter++) {
- prom_prom_taken[iter].start_adr =
- (char *) prom_reg_memlist[iter].phys_addr;
- prom_prom_taken[iter].num_bytes =
- (unsigned long) prom_reg_memlist[iter].reg_size;
- prom_prom_taken[iter].theres_more =
- &prom_prom_taken[iter+1];
- }
- prom_prom_taken[iter-1].theres_more = NULL;
-
- prom_sortmemlist(prom_prom_taken);
-
- /* Finally, convert. */
- for(iter=0; iter<num_regs; iter++) {
- prom_prom_taken[iter].start_adr =
- prom_prom_taken[iter].start_adr +
- prom_prom_taken[iter].num_bytes;
- prom_prom_taken[iter].num_bytes =
- prom_prom_taken[iter+1].start_adr -
- prom_prom_taken[iter].start_adr;
- }
- prom_prom_taken[iter-1].num_bytes =
- 0xffffffff - (unsigned long) prom_prom_taken[iter-1].start_adr;
-
- /* Sort the other two lists. */
- prom_sortmemlist(prom_phys_total);
prom_sortmemlist(prom_phys_avail);
break;
case PROM_SUN4:
#ifdef CONFIG_SUN4
/* how simple :) */
- prom_phys_total[0].start_adr = NULL;
- prom_phys_total[0].num_bytes = *(sun4_romvec->memorysize);
- prom_phys_total[0].theres_more = NULL;
- prom_prom_taken[0].start_adr = NULL;
- prom_prom_taken[0].num_bytes = 0x0;
- prom_prom_taken[0].theres_more = NULL;
prom_phys_avail[0].start_adr = NULL;
prom_phys_avail[0].num_bytes = *(sun4_romvec->memoryavail);
prom_phys_avail[0].theres_more = NULL;
@@ -196,20 +108,13 @@ void __init prom_meminit(void)
default:
break;
};
-
- /* Link all the lists into the top-level descriptor. */
- prom_memlist.v0_totphys=&prom_ptot_ptr;
- prom_memlist.v0_prommap=&prom_ptak_ptr;
- prom_memlist.v0_available=&prom_pavl_ptr;
-
- return;
}
/* This returns a pointer to our libraries internal v0 format
- * memory descriptor.
+ * available memory list.
*/
-struct linux_mem_v0 *
+struct linux_mlist_v0 *
prom_meminfo(void)
{
- return &prom_memlist;
+ return prom_phys_avail;
}