X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=board%2Famcc%2Focotea%2Finit.S;h=e23cc7e134c069b8f21f6f3171256d36493a2556;hb=c2120fbfbc4d1f6953228f86be8bdbf38bacfdab;hp=e33427a108c82ddd54ac2bac50e9c70b3cc5a1f1;hpb=05b47540aae996908e48e10a5ff8b69862aadef3;p=u-boot

diff --git a/board/amcc/ocotea/init.S b/board/amcc/ocotea/init.S
index e33427a108..e23cc7e134 100644
--- a/board/amcc/ocotea/init.S
+++ b/board/amcc/ocotea/init.S
@@ -1,74 +1,13 @@
 /*
-*  Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.com>
-*
-* 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
-*/
+ *  Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+ 
+ */
 
 #include <ppc_asm.tmpl>
 #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_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)
-
+#include <asm/mmu.h>
+#include <asm/ppc4xx.h>
 
 /**************************************************************************
  * TLB TABLE
@@ -81,17 +20,23 @@
  *
  *************************************************************************/
 
-    .section .bootpg,"ax"
-    .globl tlbtab
+	.section .bootpg,"ax"
+	.globl tlbtab
 
 tlbtab:
-    tlbtab_start
-    tlbentry( 0xf0000000, SZ_256M, 0xf0000000, 1, AC_R|AC_W|AC_X|SA_G|SA_I)
-    tlbentry( CFG_PERIPHERAL_BASE, SZ_256M, 0x40000000, 1, AC_R|AC_W|SA_G|SA_I)
-    tlbentry( CFG_ISRAM_BASE, SZ_4K, 0x80000000, 0, AC_R|AC_W|AC_X )
-    tlbentry( CFG_ISRAM_BASE + 0x1000, SZ_4K, 0x80001000, 0, AC_R|AC_W|AC_X )
-    tlbentry( CFG_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I )
-    tlbentry( CFG_SDRAM_BASE+0x10000000, SZ_256M, 0x00000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I )
-    tlbentry( CFG_PCI_BASE, SZ_256M, 0x00000000, 2, AC_R|AC_W|SA_G|SA_I )
-    tlbentry( CFG_PCI_MEMBASE, SZ_256M, 0x00000000, 3, AC_R|AC_W|SA_G|SA_I )
-    tlbtab_end
+	tlbtab_start
+
+	tlbentry(0xf0000000, SZ_256M, 0xf0000000, 1, AC_RWX | SA_IG)
+
+	/*
+	 * TLB entries for SDRAM are not needed on this platform.
+	 * They are dynamically generated in the SPD DDR(2) detection
+	 * routine.
+	 */
+
+	tlbentry(CONFIG_SYS_PERIPHERAL_BASE, SZ_256M, 0x40000000, 1, AC_RW | SA_IG)
+	tlbentry(CONFIG_SYS_ISRAM_BASE, SZ_4K, 0x80000000, 0, AC_RWX)
+	tlbentry(CONFIG_SYS_ISRAM_BASE + 0x1000, SZ_4K, 0x80001000, 0, AC_RWX)
+	tlbentry(CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 2, AC_RW | SA_IG)
+	tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x00000000, 3, AC_RW | SA_IG)
+	tlbtab_end