u-boot/board/gdsys/mpc8308/hrcon.c

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/*
* (C) Copyright 2014
* Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.de
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <hwconfig.h>
#include <i2c.h>
#include <spi.h>
#include <libfdt.h>
#include <fdt_support.h>
#include <pci.h>
#include <mpc83xx.h>
#include <fsl_esdhc.h>
#include <asm/io.h>
#include <asm/fsl_serdes.h>
#include <asm/fsl_mpc83xx_serdes.h>
#include "mpc8308.h"
#include <gdsys_fpga.h>
#include "../common/osd.h"
#include "../common/mclink.h"
#include "../common/phy.h"
#include <pca953x.h>
#include <pca9698.h>
#include <miiphy.h>
DECLARE_GLOBAL_DATA_PTR;
#define MAX_MUX_CHANNELS 2
enum {
UNITTYPE_MAIN_SERVER = 0,
UNITTYPE_MAIN_USER = 1,
UNITTYPE_VIDEO_SERVER = 2,
UNITTYPE_VIDEO_USER = 3,
};
enum {
UNITTYPEPCB_DVI = 0,
UNITTYPEPCB_DP_165 = 1,
UNITTYPEPCB_DP_300 = 2,
UNITTYPEPCB_HDMI = 3,
};
enum {
HWVER_100 = 0,
HWVER_110 = 1,
};
enum {
FPGA_HWVER_200 = 0,
FPGA_HWVER_210 = 1,
};
enum {
COMPRESSION_NONE = 0,
COMPRESSION_TYPE1_DELTA = 1,
COMPRESSION_TYPE1_TYPE2_DELTA = 3,
};
enum {
AUDIO_NONE = 0,
AUDIO_TX = 1,
AUDIO_RX = 2,
AUDIO_RXTX = 3,
};
enum {
SYSCLK_147456 = 0,
};
enum {
RAM_DDR2_32 = 0,
RAM_DDR3_32 = 1,
};
enum {
CARRIER_SPEED_1G = 0,
CARRIER_SPEED_2_5G = 1,
};
enum {
MCFPGA_DONE = 1 << 0,
MCFPGA_INIT_N = 1 << 1,
MCFPGA_PROGRAM_N = 1 << 2,
MCFPGA_UPDATE_ENABLE_N = 1 << 3,
MCFPGA_RESET_N = 1 << 4,
};
enum {
GPIO_MDC = 1 << 14,
GPIO_MDIO = 1 << 15,
};
unsigned int mclink_fpgacount;
struct ihs_fpga *fpga_ptr[] = CONFIG_SYS_FPGA_PTR;
int fpga_set_reg(u32 fpga, u16 *reg, off_t regoff, u16 data)
{
int res;
switch (fpga) {
case 0:
out_le16(reg, data);
break;
default:
res = mclink_send(fpga - 1, regoff, data);
if (res < 0) {
printf("mclink_send reg %02lx data %04x returned %d\n",
regoff, data, res);
return res;
}
break;
}
return 0;
}
int fpga_get_reg(u32 fpga, u16 *reg, off_t regoff, u16 *data)
{
int res;
switch (fpga) {
case 0:
*data = in_le16(reg);
break;
default:
if (fpga > mclink_fpgacount)
return -EINVAL;
res = mclink_receive(fpga - 1, regoff, data);
if (res < 0) {
printf("mclink_receive reg %02lx returned %d\n",
regoff, res);
return res;
}
}
return 0;
}
int checkboard(void)
{
char *s = getenv("serial#");
bool hw_type_cat = pca9698_get_value(0x20, 20);
puts("Board: ");
printf("HRCon %s", hw_type_cat ? "CAT" : "Fiber");
if (s != NULL) {
puts(", serial# ");
puts(s);
}
puts("\n");
return 0;
}
static void print_fpga_info(unsigned int fpga, bool rgmii2_present)
{
u16 versions;
u16 fpga_version;
u16 fpga_features;
unsigned unit_type;
unsigned unit_type_pcb_video;
unsigned hardware_version;
unsigned feature_compression;
unsigned feature_osd;
unsigned feature_audio;
unsigned feature_sysclock;
unsigned feature_ramconfig;
unsigned feature_carrier_speed;
unsigned feature_carriers;
unsigned feature_video_channels;
FPGA_GET_REG(fpga, versions, &versions);
FPGA_GET_REG(fpga, fpga_version, &fpga_version);
FPGA_GET_REG(fpga, fpga_features, &fpga_features);
unit_type = (versions & 0xf000) >> 12;
unit_type_pcb_video = (versions & 0x01c0) >> 6;
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_carrier_speed = fpga_features & (1<<4);
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;
}
if (unit_type == UNITTYPE_MAIN_USER) {
hardware_version =
(!!pca9698_get_value(0x20, 24) << 0)
| (!!pca9698_get_value(0x20, 25) << 1)
| (!!pca9698_get_value(0x20, 26) << 2)
| (!!pca9698_get_value(0x20, 27) << 3)
| (!!pca9698_get_value(0x20, 28) << 4);
switch (hardware_version) {
case HWVER_100:
printf(" HW-Ver 1.00,");
break;
case HWVER_110:
printf(" HW-Ver 1.10,");
break;
default:
printf(" HW-Ver %d(not supported),",
hardware_version);
break;
}
if (rgmii2_present)
printf(" RGMII2,");
}
if (unit_type == UNITTYPE_VIDEO_USER) {
hardware_version = versions & 0x000f;
switch (hardware_version) {
case FPGA_HWVER_200:
printf(" HW-Ver 2.00,");
break;
case FPGA_HWVER_210:
printf(" HW-Ver 2.10,");
break;
default:
printf(" HW-Ver %d(not supported),",
hardware_version);
break;
}
}
switch (unit_type_pcb_video) {
case UNITTYPEPCB_DVI:
printf(" DVI,");
break;
case UNITTYPEPCB_DP_165:
printf(" DP 165MPix/s,");
break;
case UNITTYPEPCB_DP_300:
printf(" DP 300MPix/s,");
break;
case UNITTYPEPCB_HDMI:
printf(" HDMI,");
break;
}
printf(" FPGA V %d.%02d\n 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;
case COMPRESSION_TYPE1_TYPE2_DELTA:
printf(" type1-deltacompression, type2-inlinecompression");
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;
case RAM_DDR3_32:
printf(", RAM 32 bit DDR3");
break;
default:
printf(", RAM %d(not supported)", feature_ramconfig);
break;
}
printf(", %d carrier(s) %s", feature_carriers,
feature_carrier_speed ? "2.5Gbit/s" : "1Gbit/s");
printf(", %d video channel(s)\n", feature_video_channels);
}
int last_stage_init(void)
{
int slaves;
unsigned int k;
unsigned int mux_ch;
unsigned char mclink_controllers[] = { 0x24, 0x25, 0x26 };
u16 fpga_features;
bool hw_type_cat = pca9698_get_value(0x20, 20);
bool ch0_rgmii2_present = false;
FPGA_GET_REG(0, fpga_features, &fpga_features);
/* Turn on Parade DP501 */
pca9698_direction_output(0x20, 10, 1);
ch0_rgmii2_present = !pca9698_get_value(0x20, 30);
/* wait for FPGA done */
for (k = 0; k < ARRAY_SIZE(mclink_controllers); ++k) {
unsigned int ctr = 0;
if (i2c_probe(mclink_controllers[k]))
continue;
while (!(pca953x_get_val(mclink_controllers[k])
& MCFPGA_DONE)) {
udelay(100000);
if (ctr++ > 5) {
printf("no done for mclink_controller %d\n", k);
break;
}
}
}
if (hw_type_cat) {
miiphy_register(bb_miiphy_buses[0].name, bb_miiphy_read,
bb_miiphy_write);
for (mux_ch = 0; mux_ch < MAX_MUX_CHANNELS; ++mux_ch) {
if ((mux_ch == 1) && !ch0_rgmii2_present)
continue;
setup_88e1514(bb_miiphy_buses[0].name, mux_ch);
}
}
/* give slave-PLLs and Parade DP501 some time to be up and running */
udelay(500000);
mclink_fpgacount = CONFIG_SYS_MCLINK_MAX;
slaves = mclink_probe();
mclink_fpgacount = 0;
print_fpga_info(0, ch0_rgmii2_present);
osd_probe(0);
if (slaves <= 0)
return 0;
mclink_fpgacount = slaves;
for (k = 1; k <= slaves; ++k) {
FPGA_GET_REG(k, fpga_features, &fpga_features);
print_fpga_info(k, false);
osd_probe(k);
if (hw_type_cat) {
miiphy_register(bb_miiphy_buses[k].name,
bb_miiphy_read, bb_miiphy_write);
setup_88e1514(bb_miiphy_buses[k].name, 0);
}
}
return 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(unsigned int bus, int pin)
{
FPGA_SET_REG(bus, gpio.set, pin);
}
void fpga_gpio_clear(unsigned int bus, int pin)
{
FPGA_SET_REG(bus, gpio.clear, pin);
}
int fpga_gpio_get(unsigned int bus, int pin)
{
u16 val;
FPGA_GET_REG(bus, gpio.read, &val);
return val & pin;
}
void mpc8308_init(void)
{
pca9698_direction_output(0x20, 4, 1);
}
void mpc8308_set_fpga_reset(unsigned state)
{
pca9698_set_value(0x20, 4, state ? 0 : 1);
}
void mpc8308_setup_hw(void)
{
immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
/*
* set "startup-finished"-gpios
*/
setbits_be32(&immr->gpio[0].dir, (1 << (31-11)) | (1 << (31-12)));
setbits_be32(&immr->gpio[0].dat, 1 << (31-12));
}
int mpc8308_get_fpga_done(unsigned fpga)
{
return pca9698_get_value(0x20, 19);
}
#ifdef CONFIG_FSL_ESDHC
int board_mmc_init(bd_t *bd)
{
immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
sysconf83xx_t *sysconf = &immr->sysconf;
/* Enable cache snooping in eSDHC system configuration register */
out_be32(&sysconf->sdhccr, 0x02000000);
return fsl_esdhc_mmc_init(bd);
}
#endif
static struct pci_region pcie_regions_0[] = {
{
.bus_start = CONFIG_SYS_PCIE1_MEM_BASE,
.phys_start = CONFIG_SYS_PCIE1_MEM_PHYS,
.size = CONFIG_SYS_PCIE1_MEM_SIZE,
.flags = PCI_REGION_MEM,
},
{
.bus_start = CONFIG_SYS_PCIE1_IO_BASE,
.phys_start = CONFIG_SYS_PCIE1_IO_PHYS,
.size = CONFIG_SYS_PCIE1_IO_SIZE,
.flags = PCI_REGION_IO,
},
};
void pci_init_board(void)
{
immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
sysconf83xx_t *sysconf = &immr->sysconf;
law83xx_t *pcie_law = sysconf->pcielaw;
struct pci_region *pcie_reg[] = { pcie_regions_0 };
fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_PEX,
FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);
/* Deassert the resets in the control register */
out_be32(&sysconf->pecr1, 0xE0008000);
udelay(2000);
/* Configure PCI Express Local Access Windows */
out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR);
out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB);
mpc83xx_pcie_init(1, pcie_reg);
}
ulong board_flash_get_legacy(ulong base, int banknum, flash_info_t *info)
{
info->portwidth = FLASH_CFI_16BIT;
info->chipwidth = FLASH_CFI_BY16;
info->interface = FLASH_CFI_X16;
return 1;
}
#if defined(CONFIG_OF_BOARD_SETUP)
void ft_board_setup(void *blob, bd_t *bd)
{
ft_cpu_setup(blob, bd);
fdt_fixup_dr_usb(blob, bd);
fdt_fixup_esdhc(blob, bd);
}
#endif
/*
* FPGA MII bitbang implementation
*/
struct fpga_mii {
unsigned fpga;
int mdio;
} fpga_mii[] = {
{ 0, 1},
{ 1, 1},
{ 2, 1},
{ 3, 1},
};
static int mii_dummy_init(struct bb_miiphy_bus *bus)
{
return 0;
}
static int mii_mdio_active(struct bb_miiphy_bus *bus)
{
struct fpga_mii *fpga_mii = bus->priv;
if (fpga_mii->mdio)
FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO);
else
FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDIO);
return 0;
}
static int mii_mdio_tristate(struct bb_miiphy_bus *bus)
{
struct fpga_mii *fpga_mii = bus->priv;
FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO);
return 0;
}
static int mii_set_mdio(struct bb_miiphy_bus *bus, int v)
{
struct fpga_mii *fpga_mii = bus->priv;
if (v)
FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDIO);
else
FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDIO);
fpga_mii->mdio = v;
return 0;
}
static int mii_get_mdio(struct bb_miiphy_bus *bus, int *v)
{
u16 gpio;
struct fpga_mii *fpga_mii = bus->priv;
FPGA_GET_REG(fpga_mii->fpga, gpio.read, &gpio);
*v = ((gpio & GPIO_MDIO) != 0);
return 0;
}
static int mii_set_mdc(struct bb_miiphy_bus *bus, int v)
{
struct fpga_mii *fpga_mii = bus->priv;
if (v)
FPGA_SET_REG(fpga_mii->fpga, gpio.set, GPIO_MDC);
else
FPGA_SET_REG(fpga_mii->fpga, gpio.clear, GPIO_MDC);
return 0;
}
static int mii_delay(struct bb_miiphy_bus *bus)
{
udelay(1);
return 0;
}
struct bb_miiphy_bus bb_miiphy_buses[] = {
{
.name = "board0",
.init = mii_dummy_init,
.mdio_active = mii_mdio_active,
.mdio_tristate = mii_mdio_tristate,
.set_mdio = mii_set_mdio,
.get_mdio = mii_get_mdio,
.set_mdc = mii_set_mdc,
.delay = mii_delay,
.priv = &fpga_mii[0],
},
{
.name = "board1",
.init = mii_dummy_init,
.mdio_active = mii_mdio_active,
.mdio_tristate = mii_mdio_tristate,
.set_mdio = mii_set_mdio,
.get_mdio = mii_get_mdio,
.set_mdc = mii_set_mdc,
.delay = mii_delay,
.priv = &fpga_mii[1],
},
{
.name = "board2",
.init = mii_dummy_init,
.mdio_active = mii_mdio_active,
.mdio_tristate = mii_mdio_tristate,
.set_mdio = mii_set_mdio,
.get_mdio = mii_get_mdio,
.set_mdc = mii_set_mdc,
.delay = mii_delay,
.priv = &fpga_mii[2],
},
{
.name = "board3",
.init = mii_dummy_init,
.mdio_active = mii_mdio_active,
.mdio_tristate = mii_mdio_tristate,
.set_mdio = mii_set_mdio,
.get_mdio = mii_get_mdio,
.set_mdc = mii_set_mdc,
.delay = mii_delay,
.priv = &fpga_mii[3],
},
};
int bb_miiphy_buses_num = sizeof(bb_miiphy_buses) /
sizeof(bb_miiphy_buses[0]);