Commit 8d8f894b authored by stroese's avatar stroese

TASREG board support added

parent 1f54ce6d
#
# (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 $(TOPDIR)/config.mk
LIB = lib$(BOARD).a
OBJS = $(BOARD).o flash.o
$(LIB): .depend $(OBJS)
$(AR) crv $@ $(OBJS)
#########################################################################
.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
$(CC) -M $(CFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
sinclude .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
/*
* (C) Copyright 2001
* Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.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 <ppc4xx.h>*/
#include <asm/processor.h>
/*
* include common flash code (for esd boards)
*/
#include "../common/flash.c"
/*-----------------------------------------------------------------------
* Functions
*/
static ulong flash_get_size (vu_long * addr, flash_info_t * info);
static void flash_get_offsets (ulong base, flash_info_t * info);
/*-----------------------------------------------------------------------
*/
unsigned long flash_init (void)
{
unsigned long size_b0;
int i;
/* Init: no FLASHes known */
for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) {
flash_info[i].flash_id = FLASH_UNKNOWN;
}
/* Static FLASH Bank configuration here - FIXME XXX */
size_b0 = flash_get_size((vu_long *)CFG_FLASH_BASE, &flash_info[0]);
if (flash_info[0].flash_id == FLASH_UNKNOWN) {
printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
size_b0, size_b0<<20);
}
/* Setup offsets */
flash_get_offsets (-size_b0, &flash_info[0]);
/* test-only: todo: Re-do sizing to get full correct info */
/* Monitor protection ON by default */
(void)flash_protect(FLAG_PROTECT_SET,
CFG_FLASH_BASE,
CFG_FLASH_BASE+CFG_MONITOR_LEN-1,
&flash_info[0]);
flash_info[0].size = size_b0;
return (size_b0);
}
This diff is collapsed.
/*
* (C) Copyright 2004
* 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 <common.h>
#include <command.h>
#include <malloc.h>
#include <asm/m5249.h>
/* Prototypes */
int gunzip(void *, int, unsigned char *, unsigned long *);
int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len);
int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len);
#if 0
#define FPGA_DEBUG
#endif
/* predefine these here for FPGA programming (before including fpga.c) */
#define SET_FPGA(data) mbar2_writeLong(MCFSIM_GPIO1_OUT, data)
#define FPGA_DONE_STATE (mbar2_readLong(MCFSIM_GPIO1_READ) & CFG_FPGA_DONE)
#define FPGA_INIT_STATE (mbar2_readLong(MCFSIM_GPIO1_READ) & CFG_FPGA_INIT)
#define FPGA_PROG_ACTIVE_HIGH /* on this platform is PROG active high! */
#define out32(a,b) /* nothing to do (gpio already configured) */
/* fpga configuration data - generated by bin2cc */
const unsigned char fpgadata[] =
{
#include "fpgadata.c"
};
/*
* include common fpga code (for esd boards)
*/
#include "../common/fpga.c"
int checkboard (void) {
ulong val;
uchar val8;
puts ("Board: ");
puts("esd TASREG");
val8 = ((uchar)~((uchar)mbar2_readLong(MCFSIM_GPIO1_READ) >> 4)) & 0xf;
printf(" (Switch=%1X)\n", val8);
/*
* Set LED on
*/
val = mbar2_readLong(MCFSIM_GPIO1_OUT) & ~CFG_GPIO1_LED;
mbar2_writeLong(MCFSIM_GPIO1_OUT, val); /* Set LED on */
return 0;
};
long int initdram (int board_type) {
unsigned long junk = 0xa5a59696;
/*
* Note:
* RC = ([(RefreshTime/#rows) / (1/BusClk)] / 16) - 1
*/
#ifdef CFG_FAST_CLK
/*
* Busclk=70MHz, RefreshTime=64ms, #rows=4096 (4K)
* SO=1, NAM=0, COC=0, RTIM=01 (6clk refresh), RC=39
*/
mbar_writeShort(MCFSIM_DCR, 0x8239);
#elif CFG_PLL_BYPASS
/*
* Busclk=5.6448MHz, RefreshTime=64ms, #rows=8192 (8K)
* SO=1, NAM=0, COC=0, RTIM=01 (6clk refresh), RC=02
*/
mbar_writeShort(MCFSIM_DCR, 0x8202);
#else
/*
* Busclk=36MHz, RefreshTime=64ms, #rows=4096 (4K)
* SO=1, NAM=0, COC=0, RTIM=01 (6clk refresh), RC=22 (562 bus clock cycles)
*/
mbar_writeShort(MCFSIM_DCR, 0x8222);
#endif
/*
* SDRAM starts at 0x0000_0000, CASL=10, CBM=010, PS=10 (16bit port),
* PM=1 (continuous page mode)
*/
/* RE=0 (keep auto-refresh disabled while setting up registers) */
mbar_writeLong(MCFSIM_DACR0, 0x00003324);
/* BAM=007c (bits 22,21 are bank selects; 256kB blocks) */
mbar_writeLong(MCFSIM_DMR0, 0x01fc0001);
/** Precharge sequence **/
mbar_writeLong(MCFSIM_DACR0, 0x0000332c); /* Set DACR0[IP] (bit 3) */
*((volatile unsigned long *) 0x00) = junk; /* write to a memory location to init. precharge */
udelay(0x10); /* Allow several Precharge cycles */
/** Refresh Sequence **/
mbar_writeLong(MCFSIM_DACR0, 0x0000b324); /* Enable the refresh bit, DACR0[RE] (bit 15) */
udelay(0x7d0); /* Allow gobs of refresh cycles */
/** Mode Register initialization **/
mbar_writeLong(MCFSIM_DACR0, 0x0000b364); /* Enable DACR0[IMRS] (bit 6); RE remains enabled */
*((volatile unsigned long *) 0x800) = junk; /* Access RAM to initialize the mode register */
return CFG_SDRAM_SIZE * 1024 * 1024;
};
int testdram (void) {
/* TODO: XXX XXX XXX */
printf ("DRAM test not implemented!\n");
return (0);
}
int misc_init_r (void)
{
unsigned char *dst;
ulong len = sizeof(fpgadata);
int status;
int index;
int i;
uchar buf[8];
dst = malloc(CFG_FPGA_MAX_SIZE);
if (gunzip (dst, CFG_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) {
printf ("GUNZIP ERROR - must RESET board to recover\n");
do_reset (NULL, 0, 0, NULL);
}
status = fpga_boot(dst, len);
if (status != 0) {
printf("\nFPGA: Booting failed ");
switch (status) {
case ERROR_FPGA_PRG_INIT_LOW:
printf("(Timeout: INIT not low after asserting PROGRAM*)\n ");
break;
case ERROR_FPGA_PRG_INIT_HIGH:
printf("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
break;
case ERROR_FPGA_PRG_DONE:
printf("(Timeout: DONE not high after programming FPGA)\n ");
break;
}
/* display infos on fpgaimage */
index = 15;
for (i=0; i<4; i++) {
len = dst[index];
printf("FPGA: %s\n", &(dst[index+1]));
index += len+3;
}
putc ('\n');
/* delayed reboot */
for (i=20; i>0; i--) {
printf("Rebooting in %2d seconds \r",i);
for (index=0;index<1000;index++)
udelay(1000);
}
putc ('\n');
do_reset(NULL, 0, 0, NULL);
}
puts("FPGA: ");
/* display infos on fpgaimage */
index = 15;
for (i=0; i<4; i++) {
len = dst[index];
printf("%s ", &(dst[index+1]));
index += len+3;
}
putc ('\n');
free(dst);
/*
*
*/
buf[0] = 0x00;
buf[1] = 0x32;
buf[2] = 0x3f;
i2c_write(0x38, 0, 0, buf, 3);
return (0);
}
#if 1 /* test-only: board specific test commands */
int i2c_probe(uchar addr);
/*
*/
int do_iploop(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
ulong addr;
if (argc < 2) {
puts("ERROR!\n");
return -1;
}
addr = simple_strtol (argv[1], NULL, 16);
printf("iprobe looping on addr 0x%lx (cntrl-c aborts)...\n", addr);
for (;;) {
i2c_probe(addr);
/* Abort if ctrl-c was pressed */
if (ctrlc()) {
puts("\nAbort\n");
return 0;
}
udelay(1000);
}
return 0;
}
U_BOOT_CMD(
iploop, 2, 1, do_iploop,
"iploop - iprobe loop <addr>\n",
NULL
);
/*
*/
int do_codec(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
uchar buf[8];
*(volatile ushort *)0xe0000000 = 0x4000;
udelay(5000); /* wait for 5ms */
buf[0] = 0x10;
buf[1] = 0x07;
buf[2] = 0x03;
i2c_write(0x10, 0, 0, buf, 3);
buf[0] = 0x10;
buf[1] = 0x01;
buf[2] = 0x80;
i2c_write(0x10, 0, 0, buf, 3);
buf[0] = 0x10;
buf[1] = 0x02;
buf[2] = 0x03;
i2c_write(0x10, 0, 0, buf, 3);
buf[0] = 0x10;
buf[1] = 0x03;
buf[2] = 0x29;
i2c_write(0x10, 0, 0, buf, 3);
buf[0] = 0x10;
buf[1] = 0x04;
buf[2] = 0x00;
i2c_write(0x10, 0, 0, buf, 3);
buf[0] = 0x10;
buf[1] = 0x05;
buf[2] = 0x00;
i2c_write(0x10, 0, 0, buf, 3);
buf[0] = 0x10;
buf[1] = 0x07;
buf[2] = 0x02;
i2c_write(0x10, 0, 0, buf, 3);
return 0;
}
U_BOOT_CMD(
codec, 1, 1, do_codec,
"codec - Enable codec\n",
NULL
);
/*
*/
int do_saa(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
ulong addr;
ulong instr;
ulong cntrl;
ulong data;
uchar buf[8];
if (argc < 5) {
puts("ERROR!\n");
return -1;
}
addr = simple_strtol (argv[1], NULL, 16);
instr = simple_strtol (argv[2], NULL, 16);
cntrl = simple_strtol (argv[3], NULL, 16);
data = simple_strtol (argv[4], NULL, 16);
buf[0] = (uchar)instr;
buf[1] = (uchar)cntrl;
buf[2] = (uchar)data;
i2c_write(addr, 0, 0, buf, 3);
return 0;
}
U_BOOT_CMD(
saa, 5, 1, do_saa,
"saa - Write to SAA1064 <addr> <instr> <cntrl> <data>\n",
NULL
);
/*
*/
int do_iwrite(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
ulong addr;
ulong data0;
ulong data1;
ulong data2;
ulong data3;
uchar buf[8];
int cnt;
if (argc < 3) {
puts("ERROR!\n");
return -1;
}
addr = simple_strtol (argv[1], NULL, 16);
cnt = simple_strtol (argv[2], NULL, 16);
data0 = simple_strtol (argv[3], NULL, 16);
data1 = simple_strtol (argv[4], NULL, 16);
data2 = simple_strtol (argv[5], NULL, 16);
data3 = simple_strtol (argv[6], NULL, 16);
printf("Writing %d bytes to device %lx!\n", cnt, addr);
buf[0] = (uchar)data0;
buf[1] = (uchar)data1;
buf[2] = (uchar)data2;
buf[3] = (uchar)data3;
i2c_write(addr, 0, 0, buf, cnt);
return 0;
}
U_BOOT_CMD(
iwrite, 6, 1, do_iwrite,
"iwrite - Write n bytes to I2C-device\n",
"addr cnt data0 ... datan\n"
);
/*
*/
int do_iread(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
ulong addr;
ulong cnt;
uchar buf[32];
int i;
if (argc < 3) {
puts("ERROR!\n");
return -1;
}
addr = simple_strtol (argv[1], NULL, 16);
cnt = simple_strtol (argv[2], NULL, 16);
i2c_read(addr, 0, 0, buf, cnt);
printf("I2C Data:");
for (i=0; i<cnt; i++) {
printf(" %02X", buf[i]);
}
printf("\n");
return 0;
}
U_BOOT_CMD(
iread, 3, 1, do_iread,
"iread - Read from I2C <addr> <cnt>\n",
NULL
);
/*
*/
int do_ireadl(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
ulong addr;
uchar buf[32];
int cnt;
if (argc < 2) {
puts("ERROR!\n");
return -1;
}
addr = simple_strtol (argv[1], NULL, 16);
cnt = 1;
printf("iread looping on addr 0x%lx (cntrl-c aborts)...\n", addr);
for (;;) {
i2c_read(addr, 0, 0, buf, cnt);
/* Abort if ctrl-c was pressed */
if (ctrlc()) {
puts("\nAbort\n");
return 0;
}
udelay(3000);
}
return 0;
}
U_BOOT_CMD(
ireadl, 2, 1, do_ireadl,
"ireadl - Read-loop from I2C <addr>\n",
NULL
);
#endif
/*
* (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) }
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.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/mcf52x2/start.o (.text)
lib_m68k/traps.o (.text)
cpu/mcf52x2/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)
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*(.got2)
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*(.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) }
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.text.init : { *(.text.init) }
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.bss :
{
_sbss = .;
*(.sbss) *(.scommon)
*(.dynbss)
*(.bss)
*(COMMON)
. = ALIGN(4);
_ebss = .;
}
_end = . ;
PROVIDE (end = .);
}
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