Commit 4a442d31 authored by TsiChungLiew's avatar TsiChungLiew Committed by John Rigby

ColdFire: Add M5235EVB Platform for MCF523x

Signed-off-by: default avatarTsiChungLiew <Tsi-Chung.Liew@freescale.com>
parent 8ae158cd
......@@ -491,7 +491,7 @@ W: www.monstr.eu
N: TsiChung Liew
E: Tsi-Chung.Liew@freescale.com
D: Support for ColdFire MCF532x, MCF5445x
D: Support for ColdFire MCF523x, MCF532x, MCF5445x
W: www.freescale.com
N: Hayden Fraser
......
......@@ -608,6 +608,7 @@ Zachary P. Landau <zachary.landau@labxtechnologies.com>
TsiChung Liew <Tsi-Chung.Liew@freescale.com>
M5235EVB mcf52x2
M5329EVB mcf532x
M54455EVB mcf5445x
......
......@@ -618,6 +618,7 @@ LIST_coldfire=" \
EB+MCF-EV123 \
EB+MCF-EV123_internal \
idmr \
M5235EVB \
M5249EVB \
M5253EVB \
M5271EVB \
......
......@@ -1639,6 +1639,25 @@ ZPC1900_config: unconfig
## Coldfire
#########################################################################
M5235EVB_config \
M5235EVB_Flash16_config \
M5235EVB_Flash32_config: unconfig
@case "$@" in \
M5235EVB_config) FLASH=16;; \
M5235EVB_Flash16_config) FLASH=16;; \
M5235EVB_Flash32_config) FLASH=32;; \
esac; \
>include/config.h ; \
if [ "$${FLASH}" != "16" ] ; then \
echo "#define NORFLASH_PS32BIT 1" >> include/config.h ; \
echo "TEXT_BASE = 0xFFC00000" > $(obj)board/freescale/m5235evb/config.tmp ; \
cp $(obj)board/freescale/m5235evb/u-boot.32 $(obj)board/freescale/m5235evb/u-boot.lds ; \
else \
echo "TEXT_BASE = 0xFFE00000" > $(obj)board/freescale/m5235evb/config.tmp ; \
cp $(obj)board/freescale/m5235evb/u-boot.16 $(obj)board/freescale/m5235evb/u-boot.lds ; \
fi
@$(MKCONFIG) -a M5235EVB m68k mcf523x m5235evb freescale
M5249EVB_config : unconfig
@$(MKCONFIG) $(@:_config=) m68k mcf52x2 m5249evb freescale
......@@ -1710,13 +1729,13 @@ M54455EVB_i66_config : unconfig
esac; \
>include/config.h ; \
if [ "$${FLASH}" == "INTEL" ] ; then \
echo "#undef CFG_ATMEL_BOOT" >> include/config.h ; \
echo "#undef CFG_ATMEL_BOOT" >> $(obj)include/config.h ; \
echo "... with INTEL boot..." ; \
else \
echo "#define CFG_ATMEL_BOOT" >> include/config.h ; \
echo "#define CFG_ATMEL_BOOT" >> $(obj)include/config.h ; \
echo "... with ATMEL boot..." ; \
fi; \
echo "#define CFG_INPUT_CLKSRC $${FREQ}" >>include/config.h ; \
echo "#define CFG_INPUT_CLKSRC $${FREQ}" >> $(obj)include/config.h ; \
echo "... with $${FREQ}Hz input clock"
@$(MKCONFIG) -a M54455EVB m68k mcf5445x m54455evb freescale
......
#
# (C) Copyright 2000-2003
# 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 = $(obj)lib$(BOARD).a
COBJS = $(BOARD).o mii.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
SOBJS := $(addprefix $(obj),$(SOBJS))
$(LIB): $(obj).depend $(OBJS)
$(AR) $(ARFLAGS) $@ $(OBJS)
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################
#
# (C) Copyright 2000-2003
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
# Coldfire contribution by Bernhard Kuhn <bkuhn@metrowerks.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
#
/*TEXT_BASE = 0xFFC00000*/
sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp
PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE)
\ No newline at end of file
/*
* (C) Copyright 2000-2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
* TsiChung Liew (Tsi-Chung.Liew@freescale.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 <config.h>
#include <common.h>
#include <asm/immap.h>
DECLARE_GLOBAL_DATA_PTR;
int checkboard(void)
{
puts("Board: ");
puts("Freescale M5235 EVB\n");
return 0;
};
long int initdram(int board_type)
{
volatile sdram_t *sdram = (volatile sdram_t *)(MMAP_SDRAM);
volatile gpio_t *gpio = (volatile gpio_t *)(MMAP_GPIO);
u32 dramsize, i, dramclk;
/*
* When booting from external Flash, the port-size is less than
* the port-size of SDRAM. In this case it is necessary to enable
* Data[15:0] on Port Address/Data.
*/
gpio->par_ad =
GPIO_PAR_AD_ADDR23 | GPIO_PAR_AD_ADDR22 | GPIO_PAR_AD_ADDR21 |
GPIO_PAR_AD_DATAL;
/* Initialize PAR to enable SDRAM signals */
gpio->par_sdram =
GPIO_PAR_SDRAM_SDWE | GPIO_PAR_SDRAM_SCAS | GPIO_PAR_SDRAM_SRAS |
GPIO_PAR_SDRAM_SCKE | GPIO_PAR_SDRAM_SDCS(3);
dramsize = CFG_SDRAM_SIZE * 0x100000;
for (i = 0x13; i < 0x20; i++) {
if (dramsize == (1 << i))
break;
}
i--;
if (!(sdram->dacr0 & SDRAMC_DARCn_RE)) {
dramclk = gd->bus_clk / (CFG_HZ * CFG_HZ);
/* Initialize DRAM Control Register: DCR */
sdram->dcr = SDRAMC_DCR_RTIM_9CLKS |
SDRAMC_DCR_RTIM_6CLKS | SDRAMC_DCR_RC((15 * dramclk) >> 4);
/* Initialize DACR0 */
sdram->dacr0 =
SDRAMC_DARCn_BA(CFG_SDRAM_BASE) | SDRAMC_DARCn_CASL_C1 |
SDRAMC_DARCn_CBM_CMD20 | SDRAMC_DARCn_PS_32;
/* Initialize DMR0 */
sdram->dmr0 = ((dramsize - 1) & 0xFFFC0000) | SDRAMC_DMRn_V;
/* Set IP (bit 3) in DACR */
sdram->dacr0 |= SDRAMC_DARCn_IP;
/* Wait 30ns to allow banks to precharge */
for (i = 0; i < 5; i++) {
asm("nop");
}
/* Write to this block to initiate precharge */
*(u32 *) (CFG_SDRAM_BASE) = 0xA5A59696;
/* Set RE (bit 15) in DACR */
sdram->dacr0 |= SDRAMC_DARCn_RE;
/* Wait for at least 8 auto refresh cycles to occur */
for (i = 0; i < 0x2000; i++) {
asm("nop");
}
/* Finish the configuration by issuing the MRS. */
sdram->dacr0 |= SDRAMC_DARCn_IMRS;
/* Write to the SDRAM Mode Register */
*(u32 *) (CFG_SDRAM_BASE + 0x400) = 0xA5A59696;
}
return dramsize;
};
int testdram(void)
{
/* TODO: XXX XXX XXX */
printf("DRAM test not implemented!\n");
return (0);
}
/*
* Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
* TsiChung Liew (Tsi-Chung.Liew@freescale.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 <asm/fec.h>
#include <asm/immap.h>
#include <config.h>
#include <net.h>
DECLARE_GLOBAL_DATA_PTR;
#if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI)
#undef MII_DEBUG
#undef ET_DEBUG
int fecpin_setclear(struct eth_device *dev, int setclear)
{
volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
if (setclear) {
gpio->par_feci2c |=
(GPIO_PAR_FECI2C_EMDC_FECEMDC | GPIO_PAR_FECI2C_EMDIO_FECEMDIO);
} else {
gpio->par_feci2c &=
~(GPIO_PAR_FECI2C_EMDC_MASK | GPIO_PAR_FECI2C_EMDIO_MASK);
}
return 0;
}
#if defined(CFG_DISCOVER_PHY) || defined(CONFIG_MII)
#include <miiphy.h>
/* Make MII read/write commands for the FEC. */
#define mk_mii_read(ADDR, REG) (0x60020000 | ((ADDR << 23) | (REG & 0x1f) << 18))
#define mk_mii_write(ADDR, REG, VAL) (0x50020000 | ((ADDR << 23) | (REG & 0x1f) << 18) | (VAL & 0xffff))
/* PHY identification */
#define PHY_ID_LXT970 0x78100000 /* LXT970 */
#define PHY_ID_LXT971 0x001378e0 /* LXT971 and 972 */
#define PHY_ID_82555 0x02a80150 /* Intel 82555 */
#define PHY_ID_QS6612 0x01814400 /* QS6612 */
#define PHY_ID_AMD79C784 0x00225610 /* AMD 79C784 */
#define PHY_ID_LSI80225 0x0016f870 /* LSI 80225 */
#define PHY_ID_LSI80225B 0x0016f880 /* LSI 80225/B */
#define PHY_ID_DP83848VV 0x20005C90 /* National 83848 */
#define PHY_ID_DP83849 0x20005CA2 /* National 82849 */
#define PHY_ID_KS8721BL 0x00221619 /* Micrel KS8721BL/SL */
#define STR_ID_LXT970 "LXT970"
#define STR_ID_LXT971 "LXT971"
#define STR_ID_82555 "Intel82555"
#define STR_ID_QS6612 "QS6612"
#define STR_ID_AMD79C784 "AMD79C784"
#define STR_ID_LSI80225 "LSI80225"
#define STR_ID_LSI80225B "LSI80225/B"
#define STR_ID_DP83848VV "N83848"
#define STR_ID_DP83849 "N83849"
#define STR_ID_KS8721BL "KS8721BL"
/****************************************************************************
* mii_init -- Initialize the MII for MII command without ethernet
* This function is a subset of eth_init
****************************************************************************
*/
void mii_reset(struct fec_info_s *info)
{
volatile fec_t *fecp = (fec_t *) (info->miibase);
int i;
fecp->ecr = FEC_ECR_RESET;
for (i = 0; (fecp->ecr & FEC_ECR_RESET) && (i < FEC_RESET_DELAY); ++i) {
udelay(1);
}
if (i == FEC_RESET_DELAY) {
printf("FEC_RESET_DELAY timeout\n");
}
}
/* send command to phy using mii, wait for result */
uint mii_send(uint mii_cmd)
{
struct fec_info_s *info;
struct eth_device *dev;
volatile fec_t *ep;
uint mii_reply;
int j = 0;
/* retrieve from register structure */
dev = eth_get_dev();
info = dev->priv;
ep = (fec_t *) info->miibase;
ep->mmfr = mii_cmd; /* command to phy */
/* wait for mii complete */
while (!(ep->eir & FEC_EIR_MII) && (j < MCFFEC_TOUT_LOOP)) {
udelay(1);
j++;
}
if (j >= MCFFEC_TOUT_LOOP) {
printf("MII not complete\n");
return -1;
}
mii_reply = ep->mmfr; /* result from phy */
ep->eir = FEC_EIR_MII; /* clear MII complete */
#ifdef ET_DEBUG
printf("%s[%d] %s: sent=0x%8.8x, reply=0x%8.8x\n",
__FILE__, __LINE__, __FUNCTION__, mii_cmd, mii_reply);
#endif
return (mii_reply & 0xffff); /* data read from phy */
}
#endif /* CFG_DISCOVER_PHY || (CONFIG_MII) */
#if defined(CFG_DISCOVER_PHY)
int mii_discover_phy(struct eth_device *dev)
{
#define MAX_PHY_PASSES 11
struct fec_info_s *info = dev->priv;
int phyaddr, pass;
uint phyno, phytype;
if (info->phyname_init)
return info->phy_addr;
phyaddr = -1; /* didn't find a PHY yet */
for (pass = 1; pass <= MAX_PHY_PASSES && phyaddr < 0; ++pass) {
if (pass > 1) {
/* PHY may need more time to recover from reset.
* The LXT970 needs 50ms typical, no maximum is
* specified, so wait 10ms before try again.
* With 11 passes this gives it 100ms to wake up.
*/
udelay(10000); /* wait 10ms */
}
for (phyno = 0; phyno < 32 && phyaddr < 0; ++phyno) {
phytype = mii_send(mk_mii_read(phyno, PHY_PHYIDR1));
#ifdef ET_DEBUG
printf("PHY type 0x%x pass %d type\n", phytype, pass);
#endif
if (phytype != 0xffff) {
phyaddr = phyno;
phytype <<= 16;
phytype |=
mii_send(mk_mii_read(phyno, PHY_PHYIDR2));
switch (phytype & 0xffffffff) {
case PHY_ID_KS8721BL:
strcpy(info->phy_name,
STR_ID_KS8721BL);
info->phyname_init = 1;
break;
default:
strcpy(info->phy_name, "unknown");
info->phyname_init = 1;
break;
}
#ifdef ET_DEBUG
printf("PHY @ 0x%x pass %d type ", phyno, pass);
switch (phytype & 0xffffffff) {
case PHY_ID_KS8721BL:
printf(STR_ID_KS8721BL);
break;
default:
printf("0x%08x\n", phytype);
break;
}
#endif
}
}
}
if (phyaddr < 0)
printf("No PHY device found.\n");
return phyaddr;
}
#endif /* CFG_DISCOVER_PHY */
int mii_init(void) __attribute__((weak,alias("__mii_init")));
void __mii_init(void)
{
volatile fec_t *fecp;
struct fec_info_s *info;
struct eth_device *dev;
int miispd = 0, i = 0;
u16 autoneg = 0;
/* retrieve from register structure */
dev = eth_get_dev();
info = dev->priv;
fecp = (fec_t *) info->miibase;
fecpin_setclear(dev, 1);
mii_reset(info);
/* We use strictly polling mode only */
fecp->eimr = 0;
/* Clear any pending interrupt */
fecp->eir = 0xffffffff;
/* Set MII speed */
miispd = (gd->bus_clk / 1000000) / 5;
fecp->mscr = miispd << 1;
info->phy_addr = mii_discover_phy(dev);
#define AUTONEGLINK (PHY_BMSR_AUTN_COMP | PHY_BMSR_LS)
while (i < MCFFEC_TOUT_LOOP) {
autoneg = 0;
miiphy_read(dev->name, info->phy_addr, PHY_BMSR, &autoneg);
i++;
if ((autoneg & AUTONEGLINK) == AUTONEGLINK)
break;
udelay(500);
}
if (i >= MCFFEC_TOUT_LOOP) {
printf("Auto Negotiation not complete\n");
}
/* adapt to the half/full speed settings */
info->dup_spd = miiphy_duplex(dev->name, info->phy_addr) << 16;
info->dup_spd |= miiphy_speed(dev->name, info->phy_addr);
}
/*****************************************************************************
* Read and write a MII PHY register, routines used by MII Utilities
*
* FIXME: These routines are expected to return 0 on success, but mii_send
* does _not_ return an error code. Maybe 0xFFFF means error, i.e.
* no PHY connected...
* For now always return 0.
* FIXME: These routines only work after calling eth_init() at least once!
* Otherwise they hang in mii_send() !!! Sorry!
*****************************************************************************/
int mcffec_miiphy_read(char *devname, unsigned char addr, unsigned char reg,
unsigned short *value)
{
short rdreg; /* register working value */
#ifdef MII_DEBUG
printf("miiphy_read(0x%x) @ 0x%x = ", reg, addr);
#endif
rdreg = mii_send(mk_mii_read(addr, reg));
*value = rdreg;
#ifdef MII_DEBUG
printf("0x%04x\n", *value);
#endif
return 0;
}
int mcffec_miiphy_write(char *devname, unsigned char addr, unsigned char reg,
unsigned short value)
{
short rdreg; /* register working value */
#ifdef MII_DEBUG
printf("miiphy_write(0x%x) @ 0x%x = ", reg, addr);
#endif
rdreg = mii_send(mk_mii_write(addr, reg, value));
#ifdef MII_DEBUG
printf("0x%04x\n", value);
#endif
return 0;
}
#endif /* CONFIG_CMD_NET, FEC_ENET & NET_MULTI */
/*
* (C) Copyright 2000
* 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
*/
OUTPUT_ARCH(m68k)
SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib);
/* Do we need any of these for elf?
__DYNAMIC = 0; */
SECTIONS
{
/* 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 :
{
/* WARNING - the following is hand-optimized to fit within */
/* the sector layout of our flash chips! XXX FIXME XXX */
cpu/mcf523x/start.o (.text)
cpu/mcf523x/cpu_init.o (.text)
lib_m68k/traps.o (.text)
lib_m68k/interrupts.o (.text)
common/dlmalloc.o (.text)
lib_generic/zlib.o (.text)
. = DEFINED(env_offset) ? env_offset : .;
common/environment.o (.text)
*(.text)
*(.fixup)
*(.got1)
}
_etext = .;
PROVIDE (etext = .);
.rodata :
{
*(.rodata)
*(.rodata1)
}
.fini : { *(.fini) } =0
.ctors : { *(.ctors) }
.dtors : { *(.dtors) }
/* Read-write section, merged into data segment: */
. = (. + 0x00FF) & 0xFFFFFF00;
_erotext = .;
PROVIDE (erotext = .);
.reloc :
{
__got_start = .;
*(.got)
__got_end = .;
_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 = .;
*(.sbss) *(.scommon)
*(.dynbss)
*(.bss)
*(COMMON)
. = ALIGN(4);
_ebss = .;
}
_end = . ;
PROVIDE (end = .);
}
/*
* (C) Copyright 2000
* 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