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Fix TLB setup for Ocotea board

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Patch by Stefan Roese, 30 Sep 2006
This commit is contained in:
Stefan Roese 2006-10-04 07:12:49 +02:00
parent d373325efd
commit 56fb6ba179
2 changed files with 33 additions and 26 deletions
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3
CHANGELOG
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@ -2,6 +2,9 @@
Changes since U-Boot 1.1.4: Changes since U-Boot 1.1.4:
====================================================================== ======================================================================
* Fix TLB setup for Ocotea board
Patch by Stefan Roese, 30 Sep 2006
* Fix reset problem in sequoia sdram init code * Fix reset problem in sequoia sdram init code
Patch by Stefan Roese, 23 Sep 2006 Patch by Stefan Roese, 23 Sep 2006

56
board/amcc/ocotea/init.S
View file

@ -1,30 +1,31 @@
/* /*
* Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.com> * Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.com>
* *
* See file CREDITS for list of people who contributed to this * See file CREDITS for list of people who contributed to this
* project. * project.
* *
* This program is free software; you can redistribute it and/or * This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as * modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of * published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version. * the License, or (at your option) any later version.
* *
* This program is distributed in the hope that it will be useful, * This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details. * GNU General Public License for more details.
* *
* You should have received a copy of the GNU General Public License * You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software * along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA * MA 02111-1307 USA
*/ */
#include <ppc_asm.tmpl> #include <ppc_asm.tmpl>
#include <config.h> #include <config.h>
/* General */ /* General */
#define TLB_VALID 0x00000200 #define TLB_VALID 0x00000200
#define _256M 0x10000000
/* Supported page sizes */ /* Supported page sizes */
@ -32,10 +33,11 @@
#define SZ_4K 0x00000010 #define SZ_4K 0x00000010
#define SZ_16K 0x00000020 #define SZ_16K 0x00000020
#define SZ_64K 0x00000030 #define SZ_64K 0x00000030
#define SZ_256K 0x00000040 #define SZ_256K 0x00000040
#define SZ_1M 0x00000050 #define SZ_1M 0x00000050
#define SZ_8M 0x00000060
#define SZ_16M 0x00000070 #define SZ_16M 0x00000070
#define SZ_256M 0x00000090 #define SZ_256M 0x00000090
/* Storage attributes */ /* Storage attributes */
#define SA_W 0x00000800 /* Write-through */ #define SA_W 0x00000800 /* Write-through */
@ -54,7 +56,7 @@
#define EPN(e) ((e) & 0xfffffc00) #define EPN(e) ((e) & 0xfffffc00)
#define TLB0(epn,sz) ( (EPN((epn)) | (sz) | TLB_VALID ) ) #define TLB0(epn,sz) ( (EPN((epn)) | (sz) | TLB_VALID ) )
#define TLB1(rpn,erpn) ( ((rpn)&0xfffffc00) | (erpn) ) #define TLB1(rpn,erpn) ( ((rpn)&0xfffffc00) | (erpn) )
#define TLB2(a) ( (a)&0x00000fbf ) #define TLB2(a) ( (a)&0x00000fbf )
#define tlbtab_start\ #define tlbtab_start\
mflr r1 ;\ mflr r1 ;\
@ -86,12 +88,14 @@
tlbtab: tlbtab:
tlbtab_start tlbtab_start
tlbentry( 0xf0000000, SZ_256M, 0xf0000000, 1, AC_R|AC_W|AC_X|SA_G|SA_I) 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_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, 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_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, 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_SDRAM_BASE + 0x10000000, SZ_256M, 0x10000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I )
tlbentry( CFG_SDRAM_BASE + 0x20000000, SZ_256M, 0x20000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I )
tlbentry( CFG_SDRAM_BASE + 0x30000000, SZ_256M, 0x30000000, 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_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 ) tlbentry( CFG_PCI_MEMBASE, SZ_256M, 0x00000000, 3, AC_R|AC_W|SA_G|SA_I )
tlbtab_end tlbtab_end