* Patch by Jon Loeliger, 2005-05-05
Implemented support for MPC8548CDS board.
Added DDR II support based on SPD values for MPC85xx boards.
This roll-up patch also includes bugfies for the previously
published patches:
DDRII CPO, pre eTSEC, 8548 LBIU, Andy's TSEC, eTSEC 3&4 I/O
This commit is contained in:
@@ -32,7 +32,7 @@
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||||
#include "../common/cadmus.h"
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||||
#include "../common/eeprom.h"
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||||
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#if defined(CONFIG_DDR_ECC)
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#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
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extern void ddr_enable_ecc(unsigned int dram_size);
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#endif
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@@ -271,7 +271,7 @@ initdram(int board_type)
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#endif
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dram_size = spd_sdram();
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#if defined(CONFIG_DDR_ECC)
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#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
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/*
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* Initialize and enable DDR ECC.
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*/
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51
board/cds/mpc8548cds/Makefile
Normal file
51
board/cds/mpc8548cds/Makefile
Normal file
@@ -0,0 +1,51 @@
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#
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# Copyright 2004 Freescale Semiconductor.
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# (C) Copyright 2001
|
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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||||
#
|
||||
# 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
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||||
#
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||||
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include $(TOPDIR)/config.mk
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LIB = lib$(BOARD).a
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OBJS := $(BOARD).o \
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../common/cadmus.o \
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../common/eeprom.o
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SOBJS := init.o
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$(LIB): $(OBJS) $(SOBJS)
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$(AR) crv $@ $(OBJS)
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clean:
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rm -f $(OBJS) $(SOBJS)
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distclean: clean
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rm -f $(LIB) core *.bak .depend
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#########################################################################
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.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
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$(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
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-include .depend
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#########################################################################
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30
board/cds/mpc8548cds/config.mk
Normal file
30
board/cds/mpc8548cds/config.mk
Normal file
@@ -0,0 +1,30 @@
|
||||
#
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||||
# Copyright 2004 Freescale Semiconductor.
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#
|
||||
# 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,
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# MA 02111-1307 USA
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#
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#
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# mpc8548cds board
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#
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TEXT_BASE = 0xfff80000
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PLATFORM_CPPFLAGS += -DCONFIG_E500=1
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PLATFORM_CPPFLAGS += -DCONFIG_MPC85xx=1
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PLATFORM_CPPFLAGS += -DCONFIG_MPC8548=1
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255
board/cds/mpc8548cds/init.S
Normal file
255
board/cds/mpc8548cds/init.S
Normal file
@@ -0,0 +1,255 @@
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||||
/*
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* Copyright 2004 Freescale Semiconductor.
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* Copyright 2002,2003, Motorola Inc.
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*
|
||||
* 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,
|
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* MA 02111-1307 USA
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*/
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#include <ppc_asm.tmpl>
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#include <ppc_defs.h>
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#include <asm/cache.h>
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#include <asm/mmu.h>
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#include <config.h>
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#include <mpc85xx.h>
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/*
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* TLB0 and TLB1 Entries
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*
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* Out of reset, TLB1's Entry 0 maps the highest 4K for CCSRBAR.
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* However, CCSRBAR is then relocated to CFG_CCSRBAR right after
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* these TLB entries are established.
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*
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* The TLB entries for DDR are dynamically setup in spd_sdram()
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* and use TLB1 Entries 8 through 15 as needed according to the
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* size of DDR memory.
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*
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* MAS0: tlbsel, esel, nv
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* MAS1: valid, iprot, tid, ts, tsize
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* MAS2: epn, sharen, x0, x1, w, i, m, g, e
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* MAS3: rpn, u0-u3, ux, sx, uw, sw, ur, sr
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*/
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#define entry_start \
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mflr r1 ; \
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bl 0f ;
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#define entry_end \
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0: mflr r0 ; \
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mtlr r1 ; \
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blr ;
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.section .bootpg, "ax"
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.globl tlb1_entry
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tlb1_entry:
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entry_start
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/*
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* Number of TLB0 and TLB1 entries in the following table
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*/
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.long 13
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#if (CFG_CCSRBAR_DEFAULT != CFG_CCSRBAR)
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/*
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* TLB0 4K Non-cacheable, guarded
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* 0xff700000 4K Initial CCSRBAR mapping
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*
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* This ends up at a TLB0 Index==0 entry, and must not collide
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* with other TLB0 Entries.
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*/
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.long TLB1_MAS0(0, 0, 0)
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.long TLB1_MAS1(1, 0, 0, 0, 0)
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.long TLB1_MAS2(E500_TLB_EPN(CFG_CCSRBAR_DEFAULT), 0,0,0,0,1,0,1,0)
|
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.long TLB1_MAS3(E500_TLB_RPN(CFG_CCSRBAR_DEFAULT), 0,0,0,0,0,1,0,1,0,1)
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#else
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#error("Update the number of table entries in tlb1_entry")
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#endif
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||||
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||||
/*
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* TLB0 16K Cacheable, non-guarded
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* 0xd001_0000 16K Temporary Global data for initialization
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||||
*
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* Use four 4K TLB0 entries. These entries must be cacheable
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||||
* as they provide the bootstrap memory before the memory
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||||
* controler and real memory have been configured.
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||||
*
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||||
* These entries end up at TLB0 Indicies 0x10, 0x14, 0x18 and 0x1c,
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* and must not collide with other TLB0 entries.
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||||
*/
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.long TLB1_MAS0(0, 0, 0)
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.long TLB1_MAS1(1, 0, 0, 0, 0)
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||||
.long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR),
|
||||
0,0,0,0,0,0,0,0)
|
||||
.long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR),
|
||||
0,0,0,0,0,1,0,1,0,1)
|
||||
|
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.long TLB1_MAS0(0, 0, 0)
|
||||
.long TLB1_MAS1(1, 0, 0, 0, 0)
|
||||
.long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 4 * 1024),
|
||||
0,0,0,0,0,0,0,0)
|
||||
.long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 4 * 1024),
|
||||
0,0,0,0,0,1,0,1,0,1)
|
||||
|
||||
.long TLB1_MAS0(0, 0, 0)
|
||||
.long TLB1_MAS1(1, 0, 0, 0, 0)
|
||||
.long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 8 * 1024),
|
||||
0,0,0,0,0,0,0,0)
|
||||
.long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 8 * 1024),
|
||||
0,0,0,0,0,1,0,1,0,1)
|
||||
|
||||
.long TLB1_MAS0(0, 0, 0)
|
||||
.long TLB1_MAS1(1, 0, 0, 0, 0)
|
||||
.long TLB1_MAS2(E500_TLB_EPN(CFG_INIT_RAM_ADDR + 12 * 1024),
|
||||
0,0,0,0,0,0,0,0)
|
||||
.long TLB1_MAS3(E500_TLB_RPN(CFG_INIT_RAM_ADDR + 12 * 1024),
|
||||
0,0,0,0,0,1,0,1,0,1)
|
||||
|
||||
|
||||
/*
|
||||
* TLB 0: 16M Non-cacheable, guarded
|
||||
* 0xff000000 16M FLASH
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||||
* Out of reset this entry is only 4K.
|
||||
*/
|
||||
.long TLB1_MAS0(1, 0, 0)
|
||||
.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_16M)
|
||||
.long TLB1_MAS2(E500_TLB_EPN(CFG_FLASH_BASE), 0,0,0,0,1,0,1,0)
|
||||
.long TLB1_MAS3(E500_TLB_RPN(CFG_FLASH_BASE), 0,0,0,0,0,1,0,1,0,1)
|
||||
|
||||
/*
|
||||
* TLB 1: 256M Non-cacheable, guarded
|
||||
* 0x80000000 256M PCI1 MEM First half
|
||||
*/
|
||||
.long TLB1_MAS0(1, 1, 0)
|
||||
.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
|
||||
.long TLB1_MAS2(E500_TLB_EPN(CFG_PCI1_MEM_BASE), 0,0,0,0,1,0,1,0)
|
||||
.long TLB1_MAS3(E500_TLB_RPN(CFG_PCI1_MEM_BASE), 0,0,0,0,0,1,0,1,0,1)
|
||||
|
||||
/*
|
||||
* TLB 2: 256M Non-cacheable, guarded
|
||||
* 0x90000000 256M PCI1 MEM Second half
|
||||
*/
|
||||
.long TLB1_MAS0(1, 2, 0)
|
||||
.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
|
||||
.long TLB1_MAS2(E500_TLB_EPN(CFG_PCI1_MEM_BASE + 0x10000000),
|
||||
0,0,0,0,1,0,1,0)
|
||||
.long TLB1_MAS3(E500_TLB_RPN(CFG_PCI1_MEM_BASE + 0x10000000),
|
||||
0,0,0,0,0,1,0,1,0,1)
|
||||
|
||||
/*
|
||||
* TLB 3: 256M Non-cacheable, guarded
|
||||
* 0xa0000000 256M PCI2 MEM First half
|
||||
*/
|
||||
.long TLB1_MAS0(1, 3, 0)
|
||||
.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
|
||||
.long TLB1_MAS2(E500_TLB_EPN(CFG_PCI2_MEM_BASE), 0,0,0,0,1,0,1,0)
|
||||
.long TLB1_MAS3(E500_TLB_RPN(CFG_PCI2_MEM_BASE), 0,0,0,0,0,1,0,1,0,1)
|
||||
|
||||
/*
|
||||
* TLB 4: 256M Non-cacheable, guarded
|
||||
* 0xb0000000 256M PCI2 MEM Second half
|
||||
*/
|
||||
.long TLB1_MAS0(1, 4, 0)
|
||||
.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
|
||||
.long TLB1_MAS2(E500_TLB_EPN(CFG_PCI2_MEM_BASE + 0x10000000),
|
||||
0,0,0,0,1,0,1,0)
|
||||
.long TLB1_MAS3(E500_TLB_RPN(CFG_PCI2_MEM_BASE + 0x10000000),
|
||||
0,0,0,0,0,1,0,1,0,1)
|
||||
|
||||
/*
|
||||
* TLB 5: 64M Non-cacheable, guarded
|
||||
* 0xe000_0000 1M CCSRBAR
|
||||
* 0xe200_0000 16M PCI1 IO
|
||||
* 0xe300_0000 16M PCI2 IO
|
||||
*/
|
||||
.long TLB1_MAS0(1, 5, 0)
|
||||
.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
|
||||
.long TLB1_MAS2(E500_TLB_EPN(CFG_CCSRBAR), 0,0,0,0,1,0,1,0)
|
||||
.long TLB1_MAS3(E500_TLB_RPN(CFG_CCSRBAR), 0,0,0,0,0,1,0,1,0,1)
|
||||
|
||||
/*
|
||||
* TLB 6: 64M Cacheable, non-guarded
|
||||
* 0xf000_0000 64M LBC SDRAM
|
||||
*/
|
||||
.long TLB1_MAS0(1, 6, 0)
|
||||
.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
|
||||
.long TLB1_MAS2(E500_TLB_EPN(CFG_LBC_SDRAM_BASE), 0,0,0,0,0,0,0,0)
|
||||
.long TLB1_MAS3(E500_TLB_RPN(CFG_LBC_SDRAM_BASE), 0,0,0,0,0,1,0,1,0,1)
|
||||
|
||||
/*
|
||||
* TLB 7: 1M Non-cacheable, guarded
|
||||
* 0xf8000000 1M CADMUS registers
|
||||
*/
|
||||
.long TLB1_MAS0(1, 7, 0)
|
||||
.long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_1M)
|
||||
.long TLB1_MAS2(E500_TLB_EPN(CADMUS_BASE_ADDR), 0,0,0,0,1,0,1,0)
|
||||
.long TLB1_MAS3(E500_TLB_RPN(CADMUS_BASE_ADDR), 0,0,0,0,0,1,0,1,0,1)
|
||||
|
||||
entry_end
|
||||
|
||||
/*
|
||||
* LAW(Local Access Window) configuration:
|
||||
*
|
||||
* 0x0000_0000 0x7fff_ffff DDR 2G
|
||||
* 0x8000_0000 0x9fff_ffff PCI1 MEM 512M
|
||||
* 0xa000_0000 0xbfff_ffff PCI2 MEM 512M
|
||||
* 0xe000_0000 0xe000_ffff CCSR 1M
|
||||
* 0xe200_0000 0xe2ff_ffff PCI1 IO 16M
|
||||
* 0xe300_0000 0xe3ff_ffff PCI2 IO 16M
|
||||
* 0xf000_0000 0xf7ff_ffff SDRAM 128M
|
||||
* 0xf800_0000 0xf80f_ffff NVRAM/CADMUS (*) 1M
|
||||
* 0xff00_0000 0xff7f_ffff FLASH (2nd bank) 8M
|
||||
* 0xff80_0000 0xffff_ffff FLASH (boot bank) 8M
|
||||
*
|
||||
* Notes:
|
||||
* CCSRBAR and L2-as-SRAM don't need a configured Local Access Window.
|
||||
* If flash is 8M at default position (last 8M), no LAW needed.
|
||||
*
|
||||
* The defines below are 1-off of the actual LAWAR0 usage.
|
||||
* So LAWAR3 define uses the LAWAR4 register in the ECM.
|
||||
*/
|
||||
|
||||
#define LAWBAR0 0
|
||||
#define LAWAR0 ((LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN)
|
||||
|
||||
#define LAWBAR1 ((CFG_PCI1_MEM_BASE>>12) & 0xfffff)
|
||||
#define LAWAR1 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_512M))
|
||||
|
||||
#define LAWBAR2 ((CFG_PCI2_MEM_BASE>>12) & 0xfffff)
|
||||
#define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_512M))
|
||||
|
||||
#define LAWBAR3 ((CFG_PCI1_IO_BASE>>12) & 0xfffff)
|
||||
#define LAWAR3 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_16M))
|
||||
|
||||
#define LAWBAR4 ((CFG_PCI2_IO_BASE>>12) & 0xfffff)
|
||||
#define LAWAR4 (LAWAR_EN | LAWAR_TRGT_IF_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_16M))
|
||||
|
||||
/* LBC window - maps 256M 0xf0000000 -> 0xffffffff */
|
||||
#define LAWBAR5 ((CFG_LBC_SDRAM_BASE>>12) & 0xfffff)
|
||||
#define LAWAR5 (LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_256M))
|
||||
|
||||
.section .bootpg, "ax"
|
||||
.globl law_entry
|
||||
|
||||
law_entry:
|
||||
entry_start
|
||||
.long 6
|
||||
.long LAWBAR0,LAWAR0,LAWBAR1,LAWAR1,LAWBAR2,LAWAR2,LAWBAR3,LAWAR3
|
||||
.long LAWBAR4,LAWAR4,LAWBAR5,LAWAR5
|
||||
entry_end
|
||||
329
board/cds/mpc8548cds/mpc8548cds.c
Normal file
329
board/cds/mpc8548cds/mpc8548cds.c
Normal file
@@ -0,0 +1,329 @@
|
||||
/*
|
||||
* Copyright 2004 Freescale Semiconductor.
|
||||
*
|
||||
* (C) Copyright 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
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <pci.h>
|
||||
#include <asm/processor.h>
|
||||
#include <asm/immap_85xx.h>
|
||||
#include <spd.h>
|
||||
|
||||
#include "../common/cadmus.h"
|
||||
#include "../common/eeprom.h"
|
||||
|
||||
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
|
||||
extern void ddr_enable_ecc(unsigned int dram_size);
|
||||
#endif
|
||||
|
||||
extern long int spd_sdram(void);
|
||||
|
||||
void local_bus_init(void);
|
||||
void sdram_init(void);
|
||||
|
||||
int board_early_init_f (void)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
int checkboard (void)
|
||||
{
|
||||
volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
|
||||
volatile ccsr_gur_t *gur = &immap->im_gur;
|
||||
|
||||
/* PCI slot in USER bits CSR[6:7] by convention. */
|
||||
uint pci_slot = get_pci_slot ();
|
||||
|
||||
uint pci_dual = get_pci_dual (); /* PCI DUAL in CM_PCI[3] */
|
||||
uint pci1_32 = gur->pordevsr & 0x10000; /* PORDEVSR[15] */
|
||||
uint pci1_clk_sel = gur->porpllsr & 0x8000; /* PORPLLSR[16] */
|
||||
uint pci2_clk_sel = gur->porpllsr & 0x4000; /* PORPLLSR[17] */
|
||||
|
||||
uint pci1_speed = get_clock_freq (); /* PCI PSPEED in [4:5] */
|
||||
|
||||
uint cpu_board_rev = get_cpu_board_revision ();
|
||||
|
||||
printf ("Board: CDS Version 0x%02x, PCI Slot %d\n",
|
||||
get_board_version (), pci_slot);
|
||||
|
||||
printf ("CPU Board Revision %d.%d (0x%04x)\n",
|
||||
MPC85XX_CPU_BOARD_MAJOR (cpu_board_rev),
|
||||
MPC85XX_CPU_BOARD_MINOR (cpu_board_rev), cpu_board_rev);
|
||||
|
||||
printf (" PCI1: %d bit, %s MHz, %s\n",
|
||||
(pci1_32) ? 32 : 64,
|
||||
(pci1_speed == 33000000) ? "33" :
|
||||
(pci1_speed == 66000000) ? "66" : "unknown",
|
||||
pci1_clk_sel ? "sync" : "async");
|
||||
|
||||
if (pci_dual) {
|
||||
printf (" PCI2: 32 bit, 66 MHz, %s\n",
|
||||
pci2_clk_sel ? "sync" : "async");
|
||||
} else {
|
||||
printf (" PCI2: disabled\n");
|
||||
}
|
||||
|
||||
/*
|
||||
* Initialize local bus.
|
||||
*/
|
||||
local_bus_init ();
|
||||
|
||||
|
||||
/*
|
||||
* Hack TSEC 3 and 4 IO voltages.
|
||||
*/
|
||||
gur->tsec34ioovcr = 0xe7e0; /* 1110 0111 1110 0xxx */
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
long int
|
||||
initdram(int board_type)
|
||||
{
|
||||
long dram_size = 0;
|
||||
volatile immap_t *immap = (immap_t *)CFG_IMMR;
|
||||
|
||||
puts("Initializing\n");
|
||||
|
||||
#if defined(CONFIG_DDR_DLL)
|
||||
{
|
||||
/*
|
||||
* Work around to stabilize DDR DLL MSYNC_IN.
|
||||
* Errata DDR9 seems to have been fixed.
|
||||
* This is now the workaround for Errata DDR11:
|
||||
* Override DLL = 1, Course Adj = 1, Tap Select = 0
|
||||
*/
|
||||
|
||||
volatile ccsr_gur_t *gur= &immap->im_gur;
|
||||
|
||||
gur->ddrdllcr = 0x81000000;
|
||||
asm("sync;isync;msync");
|
||||
udelay(200);
|
||||
}
|
||||
#endif
|
||||
dram_size = spd_sdram();
|
||||
|
||||
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
|
||||
/*
|
||||
* Initialize and enable DDR ECC.
|
||||
*/
|
||||
ddr_enable_ecc(dram_size);
|
||||
#endif
|
||||
/*
|
||||
* SDRAM Initialization
|
||||
*/
|
||||
sdram_init();
|
||||
|
||||
puts(" DDR: ");
|
||||
return dram_size;
|
||||
}
|
||||
|
||||
/*
|
||||
* Initialize Local Bus
|
||||
*/
|
||||
void
|
||||
local_bus_init(void)
|
||||
{
|
||||
volatile immap_t *immap = (immap_t *)CFG_IMMR;
|
||||
volatile ccsr_gur_t *gur = &immap->im_gur;
|
||||
volatile ccsr_lbc_t *lbc = &immap->im_lbc;
|
||||
|
||||
uint clkdiv;
|
||||
uint lbc_hz;
|
||||
sys_info_t sysinfo;
|
||||
|
||||
get_sys_info(&sysinfo);
|
||||
clkdiv = (lbc->lcrr & 0x0f) * 2;
|
||||
lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;
|
||||
|
||||
gur->lbiuiplldcr1 = 0x00078080;
|
||||
if (clkdiv == 16) {
|
||||
gur->lbiuiplldcr0 = 0x7c0f1bf0;
|
||||
} else if (clkdiv == 8) {
|
||||
gur->lbiuiplldcr0 = 0x6c0f1bf0;
|
||||
} else if (clkdiv == 4) {
|
||||
gur->lbiuiplldcr0 = 0x5c0f1bf0;
|
||||
}
|
||||
|
||||
lbc->lcrr |= 0x00030000;
|
||||
|
||||
asm("sync;isync;msync");
|
||||
}
|
||||
|
||||
/*
|
||||
* Initialize SDRAM memory on the Local Bus.
|
||||
*/
|
||||
void
|
||||
sdram_init(void)
|
||||
{
|
||||
#if defined(CFG_OR2_PRELIM) && defined(CFG_BR2_PRELIM)
|
||||
|
||||
uint idx;
|
||||
volatile immap_t *immap = (immap_t *)CFG_IMMR;
|
||||
volatile ccsr_lbc_t *lbc = &immap->im_lbc;
|
||||
uint *sdram_addr = (uint *)CFG_LBC_SDRAM_BASE;
|
||||
uint cpu_board_rev;
|
||||
uint lsdmr_common;
|
||||
|
||||
puts(" SDRAM: ");
|
||||
|
||||
print_size (CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n");
|
||||
|
||||
/*
|
||||
* Setup SDRAM Base and Option Registers
|
||||
*/
|
||||
lbc->or2 = CFG_OR2_PRELIM;
|
||||
asm("msync");
|
||||
|
||||
lbc->br2 = CFG_BR2_PRELIM;
|
||||
asm("msync");
|
||||
|
||||
lbc->lbcr = CFG_LBC_LBCR;
|
||||
asm("msync");
|
||||
|
||||
|
||||
lbc->lsrt = CFG_LBC_LSRT;
|
||||
lbc->mrtpr = CFG_LBC_MRTPR;
|
||||
asm("msync");
|
||||
|
||||
/*
|
||||
* MPC8548 uses "new" 15-16 style addressing.
|
||||
*/
|
||||
cpu_board_rev = get_cpu_board_revision();
|
||||
lsdmr_common = CFG_LBC_LSDMR_COMMON;
|
||||
lsdmr_common |= CFG_LBC_LSDMR_BSMA1516;
|
||||
|
||||
/*
|
||||
* Issue PRECHARGE ALL command.
|
||||
*/
|
||||
lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_PCHALL;
|
||||
asm("sync;msync");
|
||||
*sdram_addr = 0xff;
|
||||
ppcDcbf((unsigned long) sdram_addr);
|
||||
udelay(100);
|
||||
|
||||
/*
|
||||
* Issue 8 AUTO REFRESH commands.
|
||||
*/
|
||||
for (idx = 0; idx < 8; idx++) {
|
||||
lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_ARFRSH;
|
||||
asm("sync;msync");
|
||||
*sdram_addr = 0xff;
|
||||
ppcDcbf((unsigned long) sdram_addr);
|
||||
udelay(100);
|
||||
}
|
||||
|
||||
/*
|
||||
* Issue 8 MODE-set command.
|
||||
*/
|
||||
lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_MRW;
|
||||
asm("sync;msync");
|
||||
*sdram_addr = 0xff;
|
||||
ppcDcbf((unsigned long) sdram_addr);
|
||||
udelay(100);
|
||||
|
||||
/*
|
||||
* Issue NORMAL OP command.
|
||||
*/
|
||||
lbc->lsdmr = lsdmr_common | CFG_LBC_LSDMR_OP_NORMAL;
|
||||
asm("sync;msync");
|
||||
*sdram_addr = 0xff;
|
||||
ppcDcbf((unsigned long) sdram_addr);
|
||||
udelay(200); /* Overkill. Must wait > 200 bus cycles */
|
||||
|
||||
#endif /* enable SDRAM init */
|
||||
}
|
||||
|
||||
#if defined(CFG_DRAM_TEST)
|
||||
int
|
||||
testdram(void)
|
||||
{
|
||||
uint *pstart = (uint *) CFG_MEMTEST_START;
|
||||
uint *pend = (uint *) CFG_MEMTEST_END;
|
||||
uint *p;
|
||||
|
||||
printf("Testing DRAM from 0x%08x to 0x%08x\n",
|
||||
CFG_MEMTEST_START,
|
||||
CFG_MEMTEST_END);
|
||||
|
||||
printf("DRAM test phase 1:\n");
|
||||
for (p = pstart; p < pend; p++)
|
||||
*p = 0xaaaaaaaa;
|
||||
|
||||
for (p = pstart; p < pend; p++) {
|
||||
if (*p != 0xaaaaaaaa) {
|
||||
printf ("DRAM test fails at: %08x\n", (uint) p);
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
|
||||
printf("DRAM test phase 2:\n");
|
||||
for (p = pstart; p < pend; p++)
|
||||
*p = 0x55555555;
|
||||
|
||||
for (p = pstart; p < pend; p++) {
|
||||
if (*p != 0x55555555) {
|
||||
printf ("DRAM test fails at: %08x\n", (uint) p);
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
|
||||
printf("DRAM test passed.\n");
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_PCI)
|
||||
|
||||
/*
|
||||
* Initialize PCI Devices, report devices found.
|
||||
*/
|
||||
|
||||
#ifndef CONFIG_PCI_PNP
|
||||
static struct pci_config_table pci_mpc85xxcds_config_table[] = {
|
||||
{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
|
||||
PCI_IDSEL_NUMBER, PCI_ANY_ID,
|
||||
pci_cfgfunc_config_device, { PCI_ENET0_IOADDR,
|
||||
PCI_ENET0_MEMADDR,
|
||||
PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER
|
||||
} },
|
||||
{ }
|
||||
};
|
||||
#endif
|
||||
|
||||
static struct pci_controller hose = {
|
||||
#ifndef CONFIG_PCI_PNP
|
||||
config_table: pci_mpc85xxcds_config_table,
|
||||
#endif
|
||||
};
|
||||
|
||||
#endif /* CONFIG_PCI */
|
||||
|
||||
void
|
||||
pci_init_board(void)
|
||||
{
|
||||
#ifdef CONFIG_PCI
|
||||
extern void pci_mpc85xx_init(struct pci_controller *hose);
|
||||
|
||||
pci_mpc85xx_init(&hose);
|
||||
#endif
|
||||
}
|
||||
147
board/cds/mpc8548cds/u-boot.lds
Normal file
147
board/cds/mpc8548cds/u-boot.lds
Normal file
@@ -0,0 +1,147 @@
|
||||
/*
|
||||
* Copyright 2004 Freescale Semiconductor.
|
||||
*
|
||||
* 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
|
||||
*/
|
||||
|
||||
OUTPUT_ARCH(powerpc)
|
||||
SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
|
||||
/* Do we need any of these for elf?
|
||||
__DYNAMIC = 0; */
|
||||
SECTIONS
|
||||
{
|
||||
.resetvec 0xFFFFFFFC :
|
||||
{
|
||||
*(.resetvec)
|
||||
} = 0xffff
|
||||
|
||||
.bootpg 0xFFFFF000 :
|
||||
{
|
||||
cpu/mpc85xx/start.o (.bootpg)
|
||||
board/cds/mpc8548cds/init.o (.bootpg)
|
||||
} = 0xffff
|
||||
|
||||
/* Read-only sections, merged into text segment: */
|
||||
. = + SIZEOF_HEADERS;
|
||||
.interp : { *(.interp) }
|
||||
.hash : { *(.hash) }
|
||||
.dynsym : { *(.dynsym) }
|
||||
.dynstr : { *(.dynstr) }
|
||||
.rel.text : { *(.rel.text) }
|
||||
.rela.text : { *(.rela.text) }
|
||||
.rel.data : { *(.rel.data) }
|
||||
.rela.data : { *(.rela.data) }
|
||||
.rel.rodata : { *(.rel.rodata) }
|
||||
.rela.rodata : { *(.rela.rodata) }
|
||||
.rel.got : { *(.rel.got) }
|
||||
.rela.got : { *(.rela.got) }
|
||||
.rel.ctors : { *(.rel.ctors) }
|
||||
.rela.ctors : { *(.rela.ctors) }
|
||||
.rel.dtors : { *(.rel.dtors) }
|
||||
.rela.dtors : { *(.rela.dtors) }
|
||||
.rel.bss : { *(.rel.bss) }
|
||||
.rela.bss : { *(.rela.bss) }
|
||||
.rel.plt : { *(.rel.plt) }
|
||||
.rela.plt : { *(.rela.plt) }
|
||||
.init : { *(.init) }
|
||||
.plt : { *(.plt) }
|
||||
.text :
|
||||
{
|
||||
cpu/mpc85xx/start.o (.text)
|
||||
board/cds/mpc8548cds/init.o (.text)
|
||||
cpu/mpc85xx/traps.o (.text)
|
||||
cpu/mpc85xx/interrupts.o (.text)
|
||||
cpu/mpc85xx/cpu_init.o (.text)
|
||||
cpu/mpc85xx/cpu.o (.text)
|
||||
cpu/mpc85xx/tsec.o (.text)
|
||||
cpu/mpc85xx/speed.o (.text)
|
||||
cpu/mpc85xx/pci.o (.text)
|
||||
common/dlmalloc.o (.text)
|
||||
lib_generic/crc32.o (.text)
|
||||
lib_ppc/extable.o (.text)
|
||||
lib_generic/zlib.o (.text)
|
||||
*(.text)
|
||||
*(.fixup)
|
||||
*(.got1)
|
||||
}
|
||||
_etext = .;
|
||||
PROVIDE (etext = .);
|
||||
.rodata :
|
||||
{
|
||||
*(.rodata)
|
||||
*(.rodata1)
|
||||
*(.rodata.str1.4)
|
||||
}
|
||||
.fini : { *(.fini) } =0
|
||||
.ctors : { *(.ctors) }
|
||||
.dtors : { *(.dtors) }
|
||||
|
||||
/* Read-write section, merged into data segment: */
|
||||
. = (. + 0x00FF) & 0xFFFFFF00;
|
||||
_erotext = .;
|
||||
PROVIDE (erotext = .);
|
||||
.reloc :
|
||||
{
|
||||
*(.got)
|
||||
_GOT2_TABLE_ = .;
|
||||
*(.got2)
|
||||
_FIXUP_TABLE_ = .;
|
||||
*(.fixup)
|
||||
}
|
||||
__got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2;
|
||||
__fixup_entries = (. - _FIXUP_TABLE_) >> 2;
|
||||
|
||||
.data :
|
||||
{
|
||||
*(.data)
|
||||
*(.data1)
|
||||
*(.sdata)
|
||||
*(.sdata2)
|
||||
*(.dynamic)
|
||||
CONSTRUCTORS
|
||||
}
|
||||
_edata = .;
|
||||
PROVIDE (edata = .);
|
||||
|
||||
__u_boot_cmd_start = .;
|
||||
.u_boot_cmd : { *(.u_boot_cmd) }
|
||||
__u_boot_cmd_end = .;
|
||||
|
||||
__start___ex_table = .;
|
||||
__ex_table : { *(__ex_table) }
|
||||
__stop___ex_table = .;
|
||||
|
||||
. = ALIGN(256);
|
||||
__init_begin = .;
|
||||
.text.init : { *(.text.init) }
|
||||
.data.init : { *(.data.init) }
|
||||
. = ALIGN(256);
|
||||
__init_end = .;
|
||||
|
||||
__bss_start = .;
|
||||
.bss :
|
||||
{
|
||||
*(.sbss) *(.scommon)
|
||||
*(.dynbss)
|
||||
*(.bss)
|
||||
*(COMMON)
|
||||
}
|
||||
_end = . ;
|
||||
PROVIDE (end = .);
|
||||
}
|
||||
@@ -30,7 +30,7 @@
|
||||
#include "../common/cadmus.h"
|
||||
#include "../common/eeprom.h"
|
||||
|
||||
#if defined(CONFIG_DDR_ECC)
|
||||
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
|
||||
extern void ddr_enable_ecc(unsigned int dram_size);
|
||||
#endif
|
||||
|
||||
@@ -269,7 +269,7 @@ initdram(int board_type)
|
||||
#endif
|
||||
dram_size = spd_sdram();
|
||||
|
||||
#if defined(CONFIG_DDR_ECC)
|
||||
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
|
||||
/*
|
||||
* Initialize and enable DDR ECC.
|
||||
*/
|
||||
|
||||
@@ -31,7 +31,7 @@
|
||||
#include <asm/immap_85xx.h>
|
||||
#include <spd.h>
|
||||
|
||||
#if defined(CONFIG_DDR_ECC)
|
||||
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
|
||||
extern void ddr_enable_ecc(unsigned int dram_size);
|
||||
#endif
|
||||
|
||||
@@ -96,7 +96,7 @@ initdram(int board_type)
|
||||
dram_size = fixed_sdram ();
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_DDR_ECC)
|
||||
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
|
||||
/*
|
||||
* Initialize and enable DDR ECC.
|
||||
*/
|
||||
|
||||
@@ -33,7 +33,7 @@
|
||||
#include <spd.h>
|
||||
#include <miiphy.h>
|
||||
|
||||
#if defined(CONFIG_DDR_ECC)
|
||||
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
|
||||
extern void ddr_enable_ecc(unsigned int dram_size);
|
||||
#endif
|
||||
|
||||
@@ -293,7 +293,7 @@ initdram(int board_type)
|
||||
dram_size = fixed_sdram ();
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_DDR_ECC)
|
||||
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
|
||||
/*
|
||||
* Initialize and enable DDR ECC.
|
||||
*/
|
||||
|
||||
Reference in New Issue
Block a user