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mpc85xx: Add support for SBC8548 (updated)

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Add support for Wind River's SBC8548 reference board.

Signed-off by: Joe Hamman <joe.hamman@embeddedspecialties.com>
Signed-off by: Andy Fleming <afleming@freescale.com>
This commit is contained in:
Joe Hamman 2007-12-13 06:45:08 -06:00 committed by Andrew Fleming-AFLEMING
parent 64d4bcb087
commit 11c45ebd46
7 changed files with 902 additions and 0 deletions
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1
MAINTAINERS
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@ -190,6 +190,7 @@ Howard Gray <mvsensor@matrix-vision.de>
Joe Hamman <joe.hamman@embeddedspecialties.com>
sbc8548 MPC8548
sbc8641d MPC8641D
Klaus Heydeck <heydeck@kieback-peter.de>

1
MAKEALL
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@ -335,6 +335,7 @@ LIST_85xx=" \
PM854 \
PM856 \
sbc8540 \
sbc8548 \
sbc8560 \
stxgp3 \
stxssa \

3
Makefile
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@ -2025,6 +2025,9 @@ sbc8540_66_config: unconfig
fi
@$(MKCONFIG) -a SBC8540 ppc mpc85xx sbc8560
sbc8548_config: unconfig
@$(MKCONFIG) $(@:_config=) ppc mpc85xx sbc8548
sbc8560_config \
sbc8560_33_config \
sbc8560_66_config: unconfig

55
board/sbc8548/Makefile Normal file
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@ -0,0 +1,55 @@
#
# (C) Copyright 2004-2006
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
#
# (C) Copyright 2004 Wind River Systems Inc <www.windriver.com>.
# Added support for Wind River SBC8560 board
#
# 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 = $(obj)lib$(BOARD).a
COBJS := $(BOARD).o
SOBJS := init.o
#SOBJS :=
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
SOBJS := $(addprefix $(obj),$(SOBJS))
$(LIB): $(obj).depend $(OBJS) $(SOBJS)
$(AR) $(ARFLAGS) $@ $(OBJS)
clean:
rm -f $(OBJS) $(SOBJS)
distclean: clean
rm -f $(LIB) core *.bak .depend
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################

32
board/sbc8548/config.mk Normal file
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@ -0,0 +1,32 @@
#
# Copyright 2004, 2007 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
#
#
# sbc8548 board
#
ifndef TEXT_BASE
TEXT_BASE = 0xfff80000
endif
PLATFORM_CPPFLAGS += -DCONFIG_E500=1
PLATFORM_CPPFLAGS += -DCONFIG_MPC85xx=1
PLATFORM_CPPFLAGS += -DCONFIG_MPC8548=1

241
board/sbc8548/init.S Normal file
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@ -0,0 +1,241 @@
/*
* Copyright 2007 Wind River Systemes, Inc. <www.windriver.com>
* Copyright 2007 Embedded Specialties, Inc.
*
* 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, 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 FSL_BOOKE_MAS0(0, 0, 0)
.long FSL_BOOKE_MAS1(1, 0, 0, 0, 0)
.long FSL_BOOKE_MAS2(CFG_CCSRBAR_DEFAULT, (MAS2_I|MAS2_G))
.long FSL_BOOKE_MAS3(CFG_CCSRBAR_DEFAULT, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
#else
#error("Update the number of table entries in tlb1_entry")
#endif
/*
* TLB0 16K Cacheable, non-guarded
* 0xe4010000 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 FSL_BOOKE_MAS0(0, 0, 0)
.long FSL_BOOKE_MAS1(1, 0, 0, 0, 0)
.long FSL_BOOKE_MAS2(CFG_INIT_RAM_ADDR, 0)
.long FSL_BOOKE_MAS3(CFG_INIT_RAM_ADDR, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
.long FSL_BOOKE_MAS0(0, 0, 0)
.long FSL_BOOKE_MAS1(1, 0, 0, 0, 0)
.long FSL_BOOKE_MAS2(CFG_INIT_RAM_ADDR + 4 * 1024, 0)
.long FSL_BOOKE_MAS3(CFG_INIT_RAM_ADDR + 4 * 1024, 0,
(MAS3_SX|MAS3_SW|MAS3_SR))
.long FSL_BOOKE_MAS0(0, 0, 0)
.long FSL_BOOKE_MAS1(1, 0, 0, 0, 0)
.long FSL_BOOKE_MAS2(CFG_INIT_RAM_ADDR + 8 * 1024, 0)
.long FSL_BOOKE_MAS3(CFG_INIT_RAM_ADDR + 8 * 1024, 0,
(MAS3_SX|MAS3_SW|MAS3_SR))
.long FSL_BOOKE_MAS0(0, 0, 0)
.long FSL_BOOKE_MAS1(1, 0, 0, 0, 0)
.long FSL_BOOKE_MAS2(CFG_INIT_RAM_ADDR + 12 * 1024, 0)
.long FSL_BOOKE_MAS3(CFG_INIT_RAM_ADDR + 12 * 1024, 0,
(MAS3_SX|MAS3_SW|MAS3_SR))
/*
* TLB 0: 16M Non-cacheable, guarded
* 0xff800000 16M TLB for 8MB FLASH
* Out of reset this entry is only 4K.
*/
.long FSL_BOOKE_MAS0(1, 0, 0)
.long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_16M)
.long FSL_BOOKE_MAS2(CFG_FLASH_BASE, (MAS2_I|MAS2_G))
.long FSL_BOOKE_MAS3(CFG_FLASH_BASE, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
/*
* TLB 1: 256M Non-cacheable, guarded
* 0x80000000 256M PCI1 MEM First half
*/
.long FSL_BOOKE_MAS0(1, 1, 0)
.long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
.long FSL_BOOKE_MAS2(CFG_PCI1_MEM_BASE, (MAS2_I|MAS2_G))
.long FSL_BOOKE_MAS3(CFG_PCI1_MEM_BASE, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
/*
* TLB 2: 256M Non-cacheable, guarded
* 0x90000000 256M PCI1 MEM Second half
*/
.long FSL_BOOKE_MAS0(1, 2, 0)
.long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
.long FSL_BOOKE_MAS2(CFG_PCI1_MEM_BASE + 0x10000000, (MAS2_I|MAS2_G))
.long FSL_BOOKE_MAS3(CFG_PCI1_MEM_BASE + 0x10000000, 0,
(MAS3_SX|MAS3_SW|MAS3_SR))
/*
* TLB 3: 256M Cacheable, non-guarded
* 0x0 256M DDR SDRAM
*/
#if !defined(CONFIG_SPD_EEPROM)
.long FSL_BOOKE_MAS0(1, 3, 0)
.long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M)
.long FSL_BOOKE_MAS2(CFG_DDR_SDRAM_BASE, 0)
.long FSL_BOOKE_MAS3(CFG_DDR_SDRAM_BASE, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
#endif
/*
* TLB 4: 64M Non-cacheable, guarded
* 0xe0000000 1M CCSRBAR
* 0xe2000000 16M PCI1 IO
*/
.long FSL_BOOKE_MAS0(1, 4, 0)
.long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
.long FSL_BOOKE_MAS2(CFG_CCSRBAR, (MAS2_I|MAS2_G))
.long FSL_BOOKE_MAS3(CFG_CCSRBAR, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
/*
* TLB 5: 64M Cacheable, non-guarded
* 0xf0000000 64M LBC SDRAM
*/
.long FSL_BOOKE_MAS0(1, 5, 0)
.long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M)
.long FSL_BOOKE_MAS2(CFG_LBC_SDRAM_BASE, 0)
.long FSL_BOOKE_MAS3(CFG_LBC_SDRAM_BASE, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
/*
* TLB 6: 16M Cacheable, non-guarded
* 0xf8000000 1M 7-segment LED display
* 0xf8100000 1M User switches
* 0xf8300000 1M Board revision
* 0xf8b00000 1M EEPROM
*/
.long FSL_BOOKE_MAS0(1, 6, 0)
.long FSL_BOOKE_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_16M)
.long FSL_BOOKE_MAS2(CFG_EPLD_BASE, 0)
.long FSL_BOOKE_MAS3(CFG_EPLD_BASE, 0, (MAS3_SX|MAS3_SW|MAS3_SR))
entry_end
/*
* LAW(Local Access Window) configuration:
*
* 0x0000_0000 0x0fff_ffff DDR 256M
* 0x8000_0000 0x9fff_ffff PCI1 MEM 512M
* 0xe000_0000 0xe000_ffff CCSR 1M
* 0xe200_0000 0xe2ff_ffff PCI1 IO 16M
* 0xf000_0000 0xf7ff_ffff SDRAM 128M
* 0xf8b0_0000 0xf80f_ffff EEPROM 1M
* 0xfb80_0000 0xff7f_ffff FLASH (2nd bank) 64M
* 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.
*/
#if !defined(CONFIG_SPD_EEPROM)
#define LAWBAR0 ((CFG_DDR_SDRAM_BASE>>12) & 0xfffff)
#define LAWAR0 (LAWAR_EN | LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_256M))
#else
#define LAWBAR0 0
#define LAWAR0 ((LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_256M)) & ~LAWAR_EN)
#endif
#define LAWBAR1 ((CFG_PCI1_MEM_BASE>>12) & 0xfffff)
#define LAWAR1 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_512M))
#define LAWBAR2 ((CFG_PCI1_IO_BASE>>12) & 0xfffff)
#define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_16M))
/* LBC window - maps 256M 0xf0000000 -> 0xffffffff */
#define LAWBAR3 ((CFG_LBC_SDRAM_BASE>>12) & 0xfffff)
#define LAWAR3 (LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_256M))
.section .bootpg, "ax"
.globl law_entry
law_entry:
entry_start
.long 4
.long LAWBAR0,LAWAR0,LAWBAR1,LAWAR1,LAWBAR2,LAWAR2,LAWBAR3,LAWAR3
entry_end

569
board/sbc8548/sbc8548.c Normal file
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@ -0,0 +1,569 @@
/*
* Copyright 2007 Wind River Systemes, Inc. <www.windriver.com>
* Copyright 2007 Embedded Specialties, Inc.
*
* Copyright 2004, 2007 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 <asm/immap_fsl_pci.h>
#include <spd.h>
#include <miiphy.h>
#include <libfdt.h>
#include <fdt_support.h>
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
extern void ddr_enable_ecc(unsigned int dram_size);
#endif
DECLARE_GLOBAL_DATA_PTR;
extern long int spd_sdram(void);
void local_bus_init(void);
void sdram_init(void);
long int fixed_sdram (void);
int board_early_init_f (void)
{
return 0;
}
int checkboard (void)
{
volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
volatile ccsr_local_ecm_t *ecm = (void *)(CFG_MPC85xx_ECM_ADDR);
printf ("Board: Wind River SBC8548 Rev. 0x%01x\n",
(volatile)(*(u_char *)CFG_BD_REV) >> 4);
/*
* Initialize local bus.
*/
local_bus_init ();
/*
* Fix CPU2 errata: A core hang possible while executing a
* msync instruction and a snoopable transaction from an I/O
* master tagged to make quick forward progress is present.
*/
ecm->eebpcr |= (1 << 16);
/*
* Hack TSEC 3 and 4 IO voltages.
*/
gur->tsec34ioovcr = 0xe7e0; /* 1110 0111 1110 0xxx */
ecm->eedr = 0xffffffff; /* clear ecm errors */
ecm->eeer = 0xffffffff; /* enable ecm errors */
return 0;
}
long int
initdram(int board_type)
{
long dram_size = 0;
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 = (void *)(CFG_MPC85xx_GUTS_ADDR);
gur->ddrdllcr = 0x81000000;
asm("sync;isync;msync");
udelay(200);
}
#endif
#if defined(CONFIG_SPD_EEPROM)
dram_size = spd_sdram ();
#else
dram_size = fixed_sdram ();
#endif
#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 ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
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");
lbc->ltesr = 0xffffffff; /* Clear LBC error interrupts */
lbc->lteir = 0xffffffff; /* Enable LBC error interrupts */
}
/*
* Initialize SDRAM memory on the Local Bus.
*/
void
sdram_init(void)
{
#if defined(CFG_OR3_PRELIM) && defined(CFG_BR3_PRELIM)
uint idx;
volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
uint *sdram_addr = (uint *)CFG_LBC_SDRAM_BASE;
uint lsdmr_common;
puts(" SDRAM: ");
print_size (CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n");
/*
* Setup SDRAM Base and Option Registers
*/
lbc->or3 = CFG_OR3_PRELIM;
asm("msync");
lbc->br3 = CFG_BR3_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.
*/
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_SPD_EEPROM)
/*************************************************************************
* fixed_sdram init -- doesn't use serial presence detect.
* assumes 256MB DDR2 SDRAM SODIMM, without ECC, running at DDR400 speed.
************************************************************************/
long int fixed_sdram (void)
{
#define CFG_DDR_CONTROL 0xc300c000
volatile ccsr_ddr_t *ddr = (void *)(CFG_MPC85xx_DDR_ADDR);
ddr->cs0_bnds = 0x0000007f;
ddr->cs1_bnds = 0x008000ff;
ddr->cs2_bnds = 0x00000000;
ddr->cs3_bnds = 0x00000000;
ddr->cs0_config = 0x80010101;
ddr->cs1_config = 0x80010101;
ddr->cs2_config = 0x00000000;
ddr->cs3_config = 0x00000000;
ddr->ext_refrec = 0x00000000;
ddr->timing_cfg_0 = 0x00220802;
ddr->timing_cfg_1 = 0x38377322;
ddr->timing_cfg_2 = 0x0fa044C7;
ddr->sdram_cfg = 0x4300C000;
ddr->sdram_cfg_2 = 0x24401000;
ddr->sdram_mode = 0x23C00542;
ddr->sdram_mode_2 = 0x00000000;
ddr->sdram_interval = 0x05080100;
ddr->sdram_md_cntl = 0x00000000;
ddr->sdram_data_init = 0x00000000;
ddr->sdram_clk_cntl = 0x03800000;
asm("sync;isync;msync");
udelay(500);
#if defined (CONFIG_DDR_ECC)
/* Enable ECC checking */
ddr->sdram_cfg = (CFG_DDR_CONTROL | 0x20000000);
#else
ddr->sdram_cfg = CFG_DDR_CONTROL;
#endif
return CFG_SDRAM_SIZE * 1024 * 1024;
}
#endif
#if defined(CONFIG_PCI) || defined(CONFIG_PCI1)
/* For some reason the Tundra PCI bridge shows up on itself as a
* different device. Work around that by refusing to configure it.
*/
void dummy_func(struct pci_controller* hose, pci_dev_t dev, struct pci_config_table *tab) { }
static struct pci_config_table pci_sbc8548_config_table[] = {
{0x10e3, 0x0513, PCI_ANY_ID, 1, 3, PCI_ANY_ID, dummy_func, {0,0,0}},
{0x1106, 0x0686, PCI_ANY_ID, 1, VIA_ID, 0, mpc85xx_config_via, {0,0,0}},
{0x1106, 0x0571, PCI_ANY_ID, 1, VIA_ID, 1,
mpc85xx_config_via_usbide, {0,0,0}},
{0x1105, 0x3038, PCI_ANY_ID, 1, VIA_ID, 2,
mpc85xx_config_via_usb, {0,0,0}},
{0x1106, 0x3038, PCI_ANY_ID, 1, VIA_ID, 3,
mpc85xx_config_via_usb2, {0,0,0}},
{0x1106, 0x3058, PCI_ANY_ID, 1, VIA_ID, 5,
mpc85xx_config_via_power, {0,0,0}},
{0x1106, 0x3068, PCI_ANY_ID, 1, VIA_ID, 6,
mpc85xx_config_via_ac97, {0,0,0}},
{},
};
static struct pci_controller pci1_hose = {
config_table: pci_sbc8548_config_table};
#endif /* CONFIG_PCI */
#ifdef CONFIG_PCI2
static struct pci_controller pci2_hose;
#endif /* CONFIG_PCI2 */
#ifdef CONFIG_PCIE1
static struct pci_controller pcie1_hose;
#endif /* CONFIG_PCIE1 */
int first_free_busno=0;
void
pci_init_board(void)
{
volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
#ifdef CONFIG_PCI1
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI1_ADDR;
extern void fsl_pci_init(struct pci_controller *hose);
struct pci_controller *hose = &pci1_hose;
struct pci_config_table *table;
uint pci_32 = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_PCI32; /* PORDEVSR[15] */
uint pci_arb = gur->pordevsr & MPC85xx_PORDEVSR_PCI1_ARB; /* PORDEVSR[14] */
uint pci_clk_sel = gur->porpllsr & MPC85xx_PORDEVSR_PCI1_SPD; /* PORPLLSR[16] */
uint pci_agent = (host_agent == 3) || (host_agent == 4 ) || (host_agent == 6);
uint pci_speed = get_clock_freq (); /* PCI PSPEED in [4:5] */
if (!(gur->devdisr & MPC85xx_DEVDISR_PCI1)) {
printf (" PCI: %d bit, %s MHz, %s, %s, %s\n",
(pci_32) ? 32 : 64,
(pci_speed == 33333000) ? "33" :
(pci_speed == 66666000) ? "66" : "unknown",
pci_clk_sel ? "sync" : "async",
pci_agent ? "agent" : "host",
pci_arb ? "arbiter" : "external-arbiter"
);
/* inbound */
pci_set_region(hose->regions + 0,
CFG_PCI_MEMORY_BUS,
CFG_PCI_MEMORY_PHYS,
CFG_PCI_MEMORY_SIZE,
PCI_REGION_MEM | PCI_REGION_MEMORY);
/* outbound memory */
pci_set_region(hose->regions + 1,
CFG_PCI1_MEM_BASE,
CFG_PCI1_MEM_PHYS,
CFG_PCI1_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(hose->regions + 2,
CFG_PCI1_IO_BASE,
CFG_PCI1_IO_PHYS,
CFG_PCI1_IO_SIZE,
PCI_REGION_IO);
hose->region_count = 3;
/* relocate config table pointers */
hose->config_table = \
(struct pci_config_table *)((uint)hose->config_table + gd->reloc_off);
for (table = hose->config_table; table && table->vendor; table++)
table->config_device += gd->reloc_off;
hose->first_busno=first_free_busno;
pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
fsl_pci_init(hose);
first_free_busno=hose->last_busno+1;
printf ("PCI on bus %02x - %02x\n",hose->first_busno,hose->last_busno);
#ifdef CONFIG_PCIX_CHECK
if (!(gur->pordevsr & PORDEVSR_PCI)) {
/* PCI-X init */
if (CONFIG_SYS_CLK_FREQ < 66000000)
printf("PCI-X will only work at 66 MHz\n");
reg16 = PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ
| PCI_X_CMD_ERO | PCI_X_CMD_DPERR_E;
pci_hose_write_config_word(hose, bus, PCIX_COMMAND, reg16);
}
#endif
} else {
printf (" PCI: disabled\n");
}
}
#else
gur->devdisr |= MPC85xx_DEVDISR_PCI1; /* disable */
#endif
#ifdef CONFIG_PCI2
{
uint pci2_clk_sel = gur->porpllsr & 0x4000; /* PORPLLSR[17] */
uint pci_dual = get_pci_dual (); /* PCI DUAL in CM_PCI[3] */
if (pci_dual) {
printf (" PCI2: 32 bit, 66 MHz, %s\n",
pci2_clk_sel ? "sync" : "async");
} else {
printf (" PCI2: disabled\n");
}
}
#else
gur->devdisr |= MPC85xx_DEVDISR_PCI2; /* disable */
#endif /* CONFIG_PCI2 */
#ifdef CONFIG_PCIE1
{
volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCIE1_ADDR;
extern void fsl_pci_init(struct pci_controller *hose);
struct pci_controller *hose = &pcie1_hose;
int pcie_ep = (host_agent == 0) || (host_agent == 2 ) || (host_agent == 3);
int pcie_configured = io_sel >= 1;
if (pcie_configured && !(gur->devdisr & MPC85xx_DEVDISR_PCIE)){
printf ("\n PCIE connected to slot as %s (base address %x)",
pcie_ep ? "End Point" : "Root Complex",
(uint)pci);
if (pci->pme_msg_det) {
pci->pme_msg_det = 0xffffffff;
debug (" with errors. Clearing. Now 0x%08x",pci->pme_msg_det);
}
printf ("\n");
/* inbound */
pci_set_region(hose->regions + 0,
CFG_PCI_MEMORY_BUS,
CFG_PCI_MEMORY_PHYS,
CFG_PCI_MEMORY_SIZE,
PCI_REGION_MEM | PCI_REGION_MEMORY);
/* outbound memory */
pci_set_region(hose->regions + 1,
CFG_PCIE1_MEM_BASE,
CFG_PCIE1_MEM_PHYS,
CFG_PCIE1_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(hose->regions + 2,
CFG_PCIE1_IO_BASE,
CFG_PCIE1_IO_PHYS,
CFG_PCIE1_IO_SIZE,
PCI_REGION_IO);
hose->region_count = 3;
hose->first_busno=first_free_busno;
pci_setup_indirect(hose, (int) &pci->cfg_addr, (int) &pci->cfg_data);
fsl_pci_init(hose);
printf ("PCIE on bus %d - %d\n",hose->first_busno,hose->last_busno);
first_free_busno=hose->last_busno+1;
} else {
printf (" PCIE: disabled\n");
}
}
#else
gur->devdisr |= MPC85xx_DEVDISR_PCIE; /* disable */
#endif
}
int last_stage_init(void)
{
return 0;
}
#if defined(CONFIG_OF_BOARD_SETUP)
void
ft_pci_setup(void *blob, bd_t *bd)
{
int node, tmp[2];
const char *path;
node = fdt_path_offset(blob, "/aliases");
tmp[0] = 0;
if (node >= 0) {
#ifdef CONFIG_PCI1
path = fdt_getprop(blob, node, "pci0", NULL);
if (path) {
tmp[1] = pci1_hose.last_busno - pci1_hose.first_busno;
do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
}
#endif
#ifdef CONFIG_PCIE1
path = fdt_getprop(blob, node, "pci1", NULL);
if (path) {
tmp[1] = pcie1_hose.last_busno - pcie1_hose.first_busno;
do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
}
#endif
}
}
#endif
#if defined(CONFIG_OF_BOARD_SETUP)
void
ft_board_setup(void *blob, bd_t *bd)
{
ft_cpu_setup(blob, bd);
#ifdef CONFIG_PCI
ft_pci_setup(blob, bd);
#endif
}
#endif