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u-boot/board/esd/tasreg/tasreg.c
Peter Tyser 2fb2604d5c Command usage cleanup 
Remove command name from all command "usage" fields and update
common/command.c to display "name - usage" instead of
just "usage". Also remove newlines from command usage fields.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
2009-01-28 08:49:52 +01:00

449 lines
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/*
* (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) & CONFIG_SYS_FPGA_DONE)
#define FPGA_INIT_STATE (mbar2_readLong(MCFSIM_GPIO1_READ) & CONFIG_SYS_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) & ~CONFIG_SYS_GPIO1_LED;
mbar2_writeLong(MCFSIM_GPIO1_OUT, val); /* Set LED on */
return 0;
};
phys_size_t initdram (int board_type) {
unsigned long junk = 0xa5a59696;
/*
* Note:
* RC = ([(RefreshTime/#rows) / (1/BusClk)] / 16) - 1
*/
#ifdef CONFIG_SYS_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 CONFIG_SYS_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 CONFIG_SYS_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(CONFIG_SYS_FPGA_MAX_SIZE);
if (gunzip (dst, CONFIG_SYS_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,
"iprobe loop <addr>",
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,
"Enable codec",
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,
"Write to SAA1064 <addr> <instr> <cntrl> <data>",
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,
"Write n bytes to I2C-device",
"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,
"Read from I2C <addr> <cnt>",
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,
"Read-loop from I2C <addr>",
NULL
);
#endif
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