X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=board%2Fpcs440ep%2Finit.S;h=c0e83de25795ca85eec053e08e5640d52a17ccdb;hb=6dca9450a2808df57340f00178ad7313b64cb2fe;hp=0eee4d8099e685f5c0f846666c61b8a67909f443;hpb=41ec8b1803804b7e0644d07af4977c339a575b80;p=oweals%2Fu-boot.git

diff --git a/board/pcs440ep/init.S b/board/pcs440ep/init.S
index 0eee4d8099..c0e83de257 100644
--- a/board/pcs440ep/init.S
+++ b/board/pcs440ep/init.S
@@ -2,76 +2,14 @@
  * (C) Copyright 2006
  * Stefan Roese, DENX Software Engineering, sr@denx.de.
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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 Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
+#include <asm-offsets.h>
 #include <ppc_asm.tmpl>
+#include <asm/mmu.h>
 #include <config.h>
 
-/* General */
-#define TLB_VALID   0x00000200
-
-/* Supported page sizes */
-
-#define SZ_1K	    0x00000000
-#define SZ_4K	    0x00000010
-#define SZ_16K	    0x00000020
-#define SZ_64K	    0x00000030
-#define SZ_256K	    0x00000040
-#define SZ_1M	    0x00000050
-#define SZ_8M       0x00000060
-#define SZ_16M	    0x00000070
-#define SZ_256M	    0x00000090
-
-/* Storage attributes */
-#define SA_W	    0x00000800	    /* Write-through */
-#define SA_I	    0x00000400	    /* Caching inhibited */
-#define SA_M	    0x00000200	    /* Memory coherence */
-#define SA_G	    0x00000100	    /* Guarded */
-#define SA_E	    0x00000080	    /* Endian */
-
-/* Access control */
-#define AC_X	    0x00000024	    /* Execute */
-#define AC_W	    0x00000012	    /* Write */
-#define AC_R	    0x00000009	    /* Read */
-
-/* Some handy macros */
-
-#define EPN(e)		((e) & 0xfffffc00)
-#define TLB0(epn,sz)	( (EPN((epn)) | (sz) | TLB_VALID ) )
-#define TLB1(rpn,erpn)	( ((rpn)&0xfffffc00) | (erpn) )
-#define TLB2(a)		( (a)&0x00000fbf )
-
-#define tlbtab_start\
-	mflr    r1  ;\
-	bl 0f	    ;
-
-#define tlbtab_end\
-	.long 0, 0, 0	;   \
-0:	mflr    r0	;   \
-	mtlr    r1	;   \
-	blr		;
-
-#define tlbentry(epn,sz,rpn,erpn,attr)\
-	.long TLB0(epn,sz),TLB1(rpn,erpn),TLB2(attr)
-
-
 /**************************************************************************
  * TLB TABLE
  *
@@ -87,27 +25,32 @@
     .globl tlbtab
 
 tlbtab:
-    tlbtab_start
+	tlbtab_start
+
+	/*
+	 * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the
+	 * speed up boot process. It is patched after relocation to enable SA_I
+	 */
+	tlbentry( CONFIG_SYS_BOOT_BASE_ADDR, SZ_256M, CONFIG_SYS_BOOT_BASE_ADDR, 0, AC_RWX | SA_G/*|SA_I*/)
 
-    /*
-     * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the
-     * speed up boot process. It is patched after relocation to enable SA_I
-     */
-    tlbentry( CFG_BOOT_BASE_ADDR, SZ_256M, CFG_BOOT_BASE_ADDR, 0, AC_R|AC_W|AC_X|SA_G/*|SA_I*/)
+	/* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
+	tlbentry( CONFIG_SYS_INIT_RAM_ADDR, SZ_64K, CONFIG_SYS_INIT_RAM_ADDR, 0, AC_RWX | SA_G )
 
-    /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
-    tlbentry( CFG_INIT_RAM_ADDR, SZ_64K, CFG_INIT_RAM_ADDR, 0, AC_R|AC_W|AC_X|SA_G )
+	/*
+	 * TLB entries for SDRAM are not needed on this platform.
+	 * They are dynamically generated in the SPD DDR detection
+	 * routine.
+	 */
 
-    tlbentry( CFG_SDRAM_BASE, SZ_256M, CFG_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G|SA_I )
-    tlbentry( CFG_PCI_BASE, SZ_256M, CFG_PCI_BASE, 0, AC_R|AC_W|SA_G|SA_I )
+	tlbentry( CONFIG_SYS_PCI_BASE, SZ_256M, CONFIG_SYS_PCI_BASE, 0, AC_RW | SA_IG )
 
-    /* PCI */
-    tlbentry( CFG_PCI_MEMBASE, SZ_256M, CFG_PCI_MEMBASE, 0, AC_R|AC_W|SA_G|SA_I )
-    tlbentry( CFG_PCI_MEMBASE1, SZ_256M, CFG_PCI_MEMBASE1, 0, AC_R|AC_W|SA_G|SA_I )
-    tlbentry( CFG_PCI_MEMBASE2, SZ_256M, CFG_PCI_MEMBASE2, 0, AC_R|AC_W|SA_G|SA_I )
-    tlbentry( CFG_PCI_MEMBASE3, SZ_256M, CFG_PCI_MEMBASE3, 0, AC_R|AC_W|SA_G|SA_I )
+	/* PCI */
+	tlbentry( CONFIG_SYS_PCI_MEMBASE, SZ_256M, CONFIG_SYS_PCI_MEMBASE, 0, AC_RW | SA_IG )
+	tlbentry( CONFIG_SYS_PCI_MEMBASE1, SZ_256M, CONFIG_SYS_PCI_MEMBASE1, 0, AC_RW | SA_IG )
+	tlbentry( CONFIG_SYS_PCI_MEMBASE2, SZ_256M, CONFIG_SYS_PCI_MEMBASE2, 0, AC_RW | SA_IG )
+	tlbentry( CONFIG_SYS_PCI_MEMBASE3, SZ_256M, CONFIG_SYS_PCI_MEMBASE3, 0, AC_RW | SA_IG )
 
-    /* USB 2.0 Device */
-    tlbentry( CFG_USB_DEVICE, SZ_1K, 0x50000000, 0, AC_R|AC_W|SA_G|SA_I )
+	/* USB 2.0 Device */
+	tlbentry( CONFIG_SYS_USB_DEVICE, SZ_1K, 0x50000000, 0, AC_RW | SA_IG )
 
-    tlbtab_end
+	tlbtab_end