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/*
* (C) Copyright 2010
* Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.de
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <asm/processor.h>
#include <asm/io.h>
#include <asm/ppc4xx-gpio.h>
#include "405ep.h"
#include <gdsys_fpga.h>
#include "../common/osd.h"
#define LATCH0_BASE (CONFIG_SYS_LATCH_BASE)
#define LATCH1_BASE (CONFIG_SYS_LATCH_BASE + 0x100)
#define LATCH2_BASE (CONFIG_SYS_LATCH_BASE + 0x200)
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,
};
struct ihs_fpga *fpga_ptr[] = CONFIG_SYS_FPGA_PTR;
/*
* Check Board Identity:
*/
int checkboard(void)
{
char *s = getenv("serial#");
puts("Board: ");
puts("IoCon");
if (s != NULL) {
puts(", serial# ");
puts(s);
}
puts("\n");
return 0;
}
static void print_fpga_info(void)
{
u16 versions;
u16 fpga_version;
u16 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;
FPGA_GET_REG(0, versions, &versions);
FPGA_GET_REG(0, fpga_version, &fpga_version);
FPGA_GET_REG(0, fpga_features, &fpga_features);
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;
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);
}
int last_stage_init(void)
{
print_fpga_info();
return osd_probe(0);
}
/*
* provide access to fpga gpios (for I2C bitbang)
* (these may look all too simple but make iocon.h much more readable)
*/
void fpga_gpio_set(int pin)
{
FPGA_SET_REG(0, gpio.set, pin);
}
void fpga_gpio_clear(int pin)
{
FPGA_SET_REG(0, gpio.clear, pin);
}
int fpga_gpio_get(int pin)
{
u16 val;
FPGA_GET_REG(0, gpio.read, &val);
return val & pin;
}
void gd405ep_init(void)
{
}
void gd405ep_set_fpga_reset(unsigned state)
{
if (state) {
out_le16((void *)LATCH0_BASE, CONFIG_SYS_LATCH0_RESET);
out_le16((void *)LATCH1_BASE, CONFIG_SYS_LATCH1_RESET);
} else {
out_le16((void *)LATCH0_BASE, CONFIG_SYS_LATCH0_BOOT);
out_le16((void *)LATCH1_BASE, CONFIG_SYS_LATCH1_BOOT);
}
}
void gd405ep_setup_hw(void)
{
/*
* set "startup-finished"-gpios
*/
gpio_write_bit(21, 0);
gpio_write_bit(22, 1);
}
int gd405ep_get_fpga_done(unsigned fpga)
{
return in_le16((void *)LATCH2_BASE) & CONFIG_SYS_FPGA_DONE(fpga);
}
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