Commit d9b94f28 authored by Jon Loeliger's avatar Jon Loeliger

* 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
parent 288693ab
======================================================================
Changes for U-Boot 1.1.3:
======================================================================
* 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
* Patch by Jon Loeliger, 2005-Feb-10
Add config option CONFIG_HAS_FEC calling out 8540 FEC features.
......
......@@ -111,9 +111,10 @@ LIST_8260=" \
#########################################################################
LIST_85xx=" \
MPC8540ADS MPC8541CDS MPC8555CDS MPC8560ADS \
PM854 sbc8540 sbc8560 stxgp3 \
TQM8540 \
MPC8540ADS MPC8541CDS MPC8548CDS MPC8555CDS \
MPC8560ADS PM854 sbc8540 sbc8560 \
stxgp3 TQM8540 \
"
#########################################################################
......
......@@ -1193,6 +1193,9 @@ MPC8560ADS_config: unconfig
MPC8541CDS_config: unconfig
@./mkconfig $(@:_config=) ppc mpc85xx mpc8541cds cds
MPC8548CDS_config: unconfig
@./mkconfig $(@:_config=) ppc mpc85xx mpc8548cds cds
MPC8555CDS_config: unconfig
@./mkconfig $(@:_config=) ppc mpc85xx mpc8555cds cds
......
......@@ -32,7 +32,7 @@
#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
......@@ -271,7 +271,7 @@ 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.
*/
......
#
# Copyright 2004 Freescale Semiconductor.
# (C) Copyright 2001
# Wolfgang Denk, DENX Software Engineering, wd@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
#
include $(TOPDIR)/config.mk
LIB = lib$(BOARD).a
OBJS := $(BOARD).o \
../common/cadmus.o \
../common/eeprom.o
SOBJS := init.o
$(LIB): $(OBJS) $(SOBJS)
$(AR) crv $@ $(OBJS)
clean:
rm -f $(OBJS) $(SOBJS)
distclean: clean
rm -f $(LIB) core *.bak .depend
#########################################################################
.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
$(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
-include .depend
#########################################################################
#
# 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
#
#
# mpc8548cds board
#
TEXT_BASE = 0xfff80000
PLATFORM_CPPFLAGS += -DCONFIG_E500=1
PLATFORM_CPPFLAGS += -DCONFIG_MPC85xx=1
PLATFORM_CPPFLAGS += -DCONFIG_MPC8548=1
/*
* Copyright 2004 Freescale Semiconductor.
* Copyright 2002,2003, Motorola Inc.
*
* 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 <ppc_asm.tmpl>
#include <ppc_defs.h>
#include <asm/cache.h>
#include <asm/mmu.h>
#include <config.h>
#include <mpc85xx.h>
/*
* TLB0 and TLB1 Entries
*
* Out of reset, TLB1's Entry 0 maps the highest 4K for CCSRBAR.
* However, CCSRBAR is then relocated to CFG_CCSRBAR right after
* these TLB entries are established.
*
* The TLB entries for DDR are dynamically setup in spd_sdram()
* and use TLB1 Entries 8 through 15 as needed according to the
* size of DDR memory.
*
* MAS0: tlbsel, esel, nv
* MAS1: valid, iprot, tid, ts, tsize
* MAS2: epn, sharen, x0, x1, w, i, m, g, e
* MAS3: rpn, u0-u3, ux, sx, uw, sw, ur, sr
*/
#define entry_start \
mflr r1 ; \
bl 0f ;
#define entry_end \
0: mflr r0 ; \
mtlr r1 ; \
blr ;
.section .bootpg, "ax"
.globl tlb1_entry
tlb1_entry:
entry_start
/*
* Number of TLB0 and TLB1 entries in the following table
*/
.long 13
#if (CFG_CCSRBAR_DEFAULT != CFG_CCSRBAR)
/*
* TLB0 4K Non-cacheable, guarded
* 0xff700000 4K Initial CCSRBAR mapping
*
* This ends up at a TLB0 Index==0 entry, and must not collide
* with other TLB0 Entries.
*/
.long TLB1_MAS0(0, 0, 0)
.long TLB1_MAS1(1, 0, 0, 0, 0)
.long TLB1_MAS2(E500_TLB_EPN(CFG_CCSRBAR_DEFAULT), 0,0,0,0,1,0,1,0)
.long TLB1_MAS3(E500_TLB_RPN(CFG_CCSRBAR_DEFAULT), 0,0,0,0,0,1,0,1,0,1)
#else
#error("Update the number of table entries in tlb1_entry")
#endif
/*
* TLB0 16K Cacheable, non-guarded
* 0xd001_0000 16K Temporary Global data for initialization
*
* Use four 4K TLB0 entries. These entries must be cacheable
* as they provide the bootstrap memory before the memory
* controler and real memory have been configured.
*
* These entries end up at TLB0 Indicies 0x10, 0x14, 0x18 and 0x1c,
* and must not collide with other TLB0 entries.
*/
.long TLB1_MAS0(0, 0, 0)
.long TLB1_MAS1(1, 0, 0, 0, 0)
.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)
.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
* 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
/*
* 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)