patch-2.4.19 linux-2.4.19/arch/ia64/sn/fprom/fpmem.c

• Lines: 201
• Date: Wed Dec 31 16:00:00 1969
• Orig file: linux-2.4.18/arch/ia64/sn/fprom/fpmem.c
• Orig date: Thu Jan 4 13:00:15 2001

diff -urN linux-2.4.18/arch/ia64/sn/fprom/fpmem.c linux-2.4.19/arch/ia64/sn/fprom/fpmem.c
@@ -1,200 +0,0 @@
-/* 
- *
- * 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) 2000 Silicon Graphics, Inc.
- * Copyright (C) 2000 by Jack Steiner (steiner@sgi.com)
- */
-
-
-/*
- * FPROM EFI memory descriptor build routines
- *
- * 	- Routines to build the EFI memory descriptor map
- * 	- Should also be usable by the SGI SN1 prom to convert
- * 	  klconfig to efi_memmap
- */
-
-#include <asm/efi.h>
-#include "fpmem.h"
-
-/*
- * args points to a layout in memory like this
- *
- *		32 bit		32 bit
- *
- * 		numnodes	numcpus
- *
- *		16 bit   16 bit		   32 bit
- *		nasid0	cpuconf		membankdesc0
- *		nasid1	cpuconf		membankdesc1
- *			   .
- *			   .
- *			   .
- *			   .
- *			   .
- */
-
-sn_memmap_t	*sn_memmap ;
-sn_config_t	*sn_config ;
-
-/*
- * There is a hole in the node 0 address space. Dont put it
- * in the memory map
- */
-#define NODE0_HOLE_SIZE         (20*MB)
-#define NODE0_HOLE_END          (4UL*GB)
-
-#define	MB			(1024*1024)
-#define GB			(1024*MB)
-#define KERNEL_SIZE		(4*MB)
-#define PROMRESERVED_SIZE	(1*MB)
-#define MD_BANK_SHFT 30
-
-#define TO_NODE(_n, _x)		(((long)_n<<33L) | (long)_x)
-
-/*
- * For SN, this may not take an arg and gets the numnodes from 
- * the prom variable or by traversing klcfg or promcfg
- */
-int
-GetNumNodes(void)
-{
-	return sn_config->nodes;
-}
-
-int
-GetNumCpus(void)
-{
-	return sn_config->cpus;
-}
-
-/* For SN1, get the index th nasid */
-
-int
-GetNasid(int index)
-{
-	return sn_memmap[index].nasid ;
-}
-
-node_memmap_t
-GetMemBankInfo(int index)
-{
-	return sn_memmap[index].node_memmap ;
-}
-
-int
-IsCpuPresent(int cnode, int cpu)
-{
-	return  sn_memmap[cnode].cpuconfig & (1<<cpu);
-}
-
-
-/*
- * Made this into an explicit case statement so that
- * we can assign specific properties to banks like bank0
- * actually disabled etc.
- */
-
-int
-IsBankPresent(int index, node_memmap_t nmemmap)
-{
-	switch (index) {
-		case 0:return nmemmap.b0;
-		case 1:return nmemmap.b1;
-		case 2:return nmemmap.b2;
-		case 3:return nmemmap.b3;
-		case 4:return nmemmap.b4;
-		case 5:return nmemmap.b5;
-		case 6:return nmemmap.b6;
-		case 7:return nmemmap.b7;
-		default:return -1 ;
-	}
-}
-
-int
-GetBankSize(int index, node_memmap_t nmemmap)
-{
-        switch (index) {
-                case 0:
-                case 1:return nmemmap.b01size;
-                case 2:
-                case 3:return nmemmap.b23size;
-                case 4:
-                case 5:return nmemmap.b45size;
-                case 6:
-                case 7:return nmemmap.b67size;
-                default:return -1 ;
-        }
-}
-
-void
-build_mem_desc(efi_memory_desc_t *md, int type, long paddr, long numbytes)
-{
-        md->type = type;
-        md->phys_addr = paddr;
-        md->virt_addr = 0;
-        md->num_pages = numbytes >> 12;
-        md->attribute = EFI_MEMORY_WB;
-}
-
-int
-build_efi_memmap(void *md, int mdsize)
-{
-	int		numnodes = GetNumNodes() ;
-	int		cnode,bank ;
-	int		nasid ;
-	node_memmap_t	membank_info ;
-	int		bsize;
-	int		count = 0 ;
-	long		paddr, hole, numbytes;
-
-
-	for (cnode=0;cnode<numnodes;cnode++) {
-		nasid = GetNasid(cnode) ;
-		membank_info = GetMemBankInfo(cnode) ;
-		for (bank=0;bank<SN1_MAX_BANK_PER_NODE;bank++) {
-			if (IsBankPresent(bank, membank_info)) {
-				bsize = GetBankSize(bank, membank_info) ;
-                                paddr = TO_NODE(nasid, (long)bank<<MD_BANK_SHFT);
-                                numbytes = BankSizeBytes(bsize);
-
-                                /*
-                                 * Check for the node 0 hole. Since banks cant
-                                 * span the hole, we only need to check if the end of
-                                 * the range is the end of the hole.
-                                 */
-                                if (paddr+numbytes == NODE0_HOLE_END)
-                                        numbytes -= NODE0_HOLE_SIZE;
-                                /*
-                                 * UGLY hack - we must skip overr the kernel and
-                                 * PROM runtime services but we dont exactly where it is.
-                                 * So lets just reserve 0-12MB.
-                                 */
-                                if (bank == 0) {
-					hole = (cnode == 0) ? KERNEL_SIZE : PROMRESERVED_SIZE;
-					numbytes -= hole;
-                                        build_mem_desc(md, EFI_RUNTIME_SERVICES_DATA, paddr, hole);
-                                        paddr += hole;
-			        	count++ ;
-                                        md += mdsize;
-                                }
-                                build_mem_desc(md, EFI_CONVENTIONAL_MEMORY, paddr, numbytes);
-
-			        md += mdsize ;
-			        count++ ;
-			}
-		}
-	}
-	return count ;
-}
-
-void
-build_init(unsigned long args)
-{
-	sn_config = (sn_config_t *) (args);	
-	sn_memmap = (sn_memmap_t *)(args + 8) ; /* SN equiv for this is */
-						/* init to klconfig start */
-}