X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fppc%2Fsyslib%2Fppc_sys.c;h=c0b93c4191eeac2b73e1803b1646bb61f61e4e3c;hb=987b0145d94eecf292d8b301228356f44611ab7c;hp=879202352560d5993321e63947bdaee4b149d4c9;hpb=f7ed79d23a47594e7834d66a8f14449796d4f3e6;p=linux-2.6.git

diff --git a/arch/ppc/syslib/ppc_sys.c b/arch/ppc/syslib/ppc_sys.c
index 879202352..c0b93c419 100644
--- a/arch/ppc/syslib/ppc_sys.c
+++ b/arch/ppc/syslib/ppc_sys.c
@@ -3,9 +3,10 @@
  *
  * PPC System library functions
  *
- * Maintainer: Kumar Gala <kumar.gala@freescale.com>
+ * Maintainer: Kumar Gala <galak@kernel.crashing.org>
  *
  * Copyright 2005 Freescale Semiconductor Inc.
+ * Copyright 2005 MontaVista, Inc. by Vitaly Bordug <vbordug@ru.mvista.com>
  *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the
@@ -13,6 +14,7 @@
  * option) any later version.
  */
 
+#include <linux/string.h>
 #include <asm/ppc_sys.h>
 
 int (*ppc_sys_device_fixup) (struct platform_device * pdev);
@@ -35,10 +37,62 @@ void __init identify_ppc_sys_by_id(u32 id)
 
 void __init identify_ppc_sys_by_name(char *name)
 {
-	/* TODO */
+	unsigned int i = 0;
+	while (ppc_sys_specs[i].ppc_sys_name[0])
+	{
+		if (!strcmp(ppc_sys_specs[i].ppc_sys_name, name))
+			break;
+		i++;
+	}
+	cur_ppc_sys_spec = &ppc_sys_specs[i];
 	return;
 }
 
+static int __init count_sys_specs(void)
+{
+	int i = 0;
+	while (ppc_sys_specs[i].ppc_sys_name[0])
+		i++;
+	return i;
+}
+
+static int __init find_chip_by_name_and_id(char *name, u32 id)
+{
+	int ret = -1;
+	unsigned int i = 0;
+	unsigned int j = 0;
+	unsigned int dups = 0;
+
+	unsigned char matched[count_sys_specs()];
+
+	while (ppc_sys_specs[i].ppc_sys_name[0]) {
+		if (!strcmp(ppc_sys_specs[i].ppc_sys_name, name))
+			matched[j++] = i;
+		i++;
+	}
+
+	ret = i;
+
+	if (j != 0) {
+		for (i = 0; i < j; i++) {
+			if ((ppc_sys_specs[matched[i]].mask & id) ==
+			    ppc_sys_specs[matched[i]].value) {
+				ret = matched[i];
+				dups++;
+			}
+		}
+		ret = (dups == 1) ? ret : (-1 * dups);
+	}
+	return ret;
+}
+
+void __init identify_ppc_sys_by_name_and_id(char *name, u32 id)
+{
+	int i = find_chip_by_name_and_id(name, id);
+	BUG_ON(i < 0);
+	cur_ppc_sys_spec = &ppc_sys_specs[i];
+}
+
 /* Update all memory resources by paddr, call before platform_device_register */
 void __init
 ppc_sys_fixup_mem_resource(struct platform_device *pdev, phys_addr_t paddr)