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/*
* (C) Copyright 2010
* Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.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 <asm/processor.h>
#include <asm/io.h>
#include <asm/ppc4xx-gpio.h>
#include <gdsys_fpga.h>
#include "../common/osd.h"
enum {
UNITTYPE_MAIN_SERVER = 0,
UNITTYPE_MAIN_USER = 1,
UNITTYPE_VIDEO_SERVER = 2,
UNITTYPE_VIDEO_USER = 3,
};
enum {
HWVER_100 = 0,
HWVER_104 = 1,
HWVER_110 = 2,
};
enum {
COMPRESSION_NONE = 0,
COMPRESSION_TYPE1_DELTA,
};
enum {
AUDIO_NONE = 0,
AUDIO_TX = 1,
AUDIO_RX = 2,
AUDIO_RXTX = 3,
};
enum {
SYSCLK_147456 = 0,
};
enum {
RAM_DDR2_32 = 0,
};
/*
* Check Board Identity:
*/
int checkboard(void)
{
char buf[64];
int i = getenv_f("serial#", buf, sizeof(buf));
ihs_fpga_t *fpga = (ihs_fpga_t *) CONFIG_SYS_FPGA_BASE(0);
u16 versions = in_le16(&fpga->versions);
u16 fpga_version = in_le16(&fpga->fpga_version);
u16 fpga_features = in_le16(&fpga->fpga_features);
unsigned unit_type;
unsigned hardware_version;
unsigned feature_compression;
unsigned feature_osd;
unsigned feature_audio;
unsigned feature_sysclock;
unsigned feature_ramconfig;
unsigned feature_carriers;
unsigned feature_video_channels;
unit_type = (versions & 0xf000) >> 12;
hardware_version = versions & 0x000f;
feature_compression = (fpga_features & 0xe000) >> 13;
feature_osd = fpga_features & (1<<11);
feature_audio = (fpga_features & 0x0600) >> 9;
feature_sysclock = (fpga_features & 0x0180) >> 7;
feature_ramconfig = (fpga_features & 0x0060) >> 5;
feature_carriers = (fpga_features & 0x000c) >> 2;
feature_video_channels = fpga_features & 0x0003;
printf("Board: ");
printf("IoCon");
if (i > 0) {
puts(", serial# ");
puts(buf);
}
puts("\n ");
switch (unit_type) {
case UNITTYPE_MAIN_USER:
printf("Mainchannel");
break;
case UNITTYPE_VIDEO_USER:
printf("Videochannel");
break;
default:
printf("UnitType %d(not supported)", unit_type);
break;
}
switch (hardware_version) {
case HWVER_100:
printf(" HW-Ver 1.00\n");
break;
case HWVER_104:
printf(" HW-Ver 1.04\n");
break;
case HWVER_110:
printf(" HW-Ver 1.10\n");
break;
default:
printf(" HW-Ver %d(not supported)\n",
hardware_version);
break;
}
printf(" FPGA V %d.%02d, features:",
fpga_version / 100, fpga_version % 100);
switch (feature_compression) {
case COMPRESSION_NONE:
printf(" no compression");
break;
case COMPRESSION_TYPE1_DELTA:
printf(" type1-deltacompression");
break;
default:
printf(" compression %d(not supported)", feature_compression);
break;
}
printf(", %sosd", feature_osd ? "" : "no ");
switch (feature_audio) {
case AUDIO_NONE:
printf(", no audio");
break;
case AUDIO_TX:
printf(", audio tx");
break;
case AUDIO_RX:
printf(", audio rx");
break;
case AUDIO_RXTX:
printf(", audio rx+tx");
break;
default:
printf(", audio %d(not supported)", feature_audio);
break;
}
puts(",\n ");
switch (feature_sysclock) {
case SYSCLK_147456:
printf("clock 147.456 MHz");
break;
default:
printf("clock %d(not supported)", feature_sysclock);
break;
}
switch (feature_ramconfig) {
case RAM_DDR2_32:
printf(", RAM 32 bit DDR2");
break;
default:
printf(", RAM %d(not supported)", feature_ramconfig);
break;
}
printf(", %d carrier(s)", feature_carriers);
printf(", %d video channel(s)\n", feature_video_channels);
return 0;
}
int last_stage_init(void)
{
return osd_probe(0);
}
/*
* provide access to fpga gpios (for I2C bitbang)
*/
void fpga_gpio_set(int pin)
{
out_le16((void *)(CONFIG_SYS_FPGA0_BASE + 0x18), pin);
}
void fpga_gpio_clear(int pin)
{
out_le16((void *)(CONFIG_SYS_FPGA0_BASE + 0x16), pin);
}
int fpga_gpio_get(int pin)
{
return in_le16((void *)(CONFIG_SYS_FPGA0_BASE + 0x14)) & pin;
}
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