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board: iocon: Support DisplayPort hardware 

There is a new iocon hardware flavor, supporting DisplayPort finally.

Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>
This commit is contained in:
Dirk Eibach 2014-07-03 09:28:17 +02:00 committed by Tom Rini
parent 35ecf75230
commit edfe9fea7c
5 changed files with 83 additions and 85 deletions
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12
board/gdsys/405ep/iocon.c
View File

@ -15,6 +15,7 @@
#include "405ep.h"
#include <gdsys_fpga.h>
#include "../common/dp501.h"
#include "../common/osd.h"
#include "../common/mclink.h"
@ -98,6 +99,8 @@ enum {
unsigned int mclink_fpgacount;
struct ihs_fpga *fpga_ptr[] = CONFIG_SYS_FPGA_PTR;
int dp501_i2c[] = CONFIG_SYS_DP501_I2C;
static int setup_88e1518(const char *bus, unsigned char addr);
int fpga_set_reg(u32 fpga, u16 *reg, off_t regoff, u16 data)
@ -371,9 +374,18 @@ int last_stage_init(void)
u16 fpga_features;
int feature_carrier_speed = fpga_features & (1<<4);
bool ch0_rgmii2_present = false;
int old_bus = i2c_get_bus_num();
FPGA_GET_REG(0, fpga_features, &fpga_features);
/* Turn on Parade DP501 */
pca9698_direction_output(0x20, 9, 1);
udelay(500000);
i2c_set_bus_num(dp501_i2c[0]);
dp501_powerup(0x08);
i2c_set_bus_num(old_bus);
if (!legacy)
ch0_rgmii2_present = !pca9698_get_value(0x20, 30);

2
board/gdsys/common/Makefile
View File

@ -8,6 +8,6 @@
obj-$(CONFIG_SYS_FPGA_COMMON) += fpga.o
obj-$(CONFIG_IO) += miiphybb.o
obj-$(CONFIG_IO64) += miiphybb.o
obj-$(CONFIG_IOCON) += osd.o mclink.o
obj-$(CONFIG_IOCON) += osd.o mclink.o dp501.o
obj-$(CONFIG_DLVISION_10G) += osd.o
obj-$(CONFIG_CONTROLCENTERD) += dp501.o

33
board/gdsys/common/dp501.c
View File

@ -60,8 +60,31 @@ void dp501_powerup(u8 addr)
i2c_reg_write(addr, 0x71, 0x20); /* Enable Aux burst write */
dp501_setbits(addr, 0x78, 0x30); /* Disable HPD2 IRQ */
dp501_clrbits(addr, 0x2f, 0x40); /* Link FIFO reset selection */
#ifdef CONFIG_SYS_DP501_VCAPCTRL0
i2c_reg_write(addr, 0x24, CONFIG_SYS_DP501_VCAPCTRL0);
#else
i2c_reg_write(addr, 0x24, 0xc0); /* SDR mode 0, ext. H/VSYNC */
#endif
#ifdef CONFIG_SYS_DP501_DIFFERENTIAL
i2c_reg_write(addr + 2, 0x24, 0x10); /* clock input differential */
i2c_reg_write(addr + 2, 0x25, 0x04);
i2c_reg_write(addr + 2, 0x26, 0x10);
#else
i2c_reg_write(addr + 2, 0x24, 0x02); /* clock input single ended */
#endif
i2c_reg_write(addr + 2, 0x00, 0x18); /* driving strength */
i2c_reg_write(addr + 2, 0x03, 0x06); /* driving strength */
i2c_reg_write(addr, 0x2c, 0x00); /* configure N value */
i2c_reg_write(addr, 0x2d, 0x00); /* configure N value */
i2c_reg_write(addr, 0x2e, 0x0c); /* configure N value */
i2c_reg_write(addr, 0x76, 0xff); /* clear all interrupt */
dp501_setbits(addr, 0x78, 0x03); /* clear all interrupt */
i2c_reg_write(addr, 0x75, 0xf8); /* aux channel reset */
i2c_reg_write(addr, 0x75, 0x00); /* clear aux channel reset */
i2c_reg_write(addr, 0x87, 0x70); /* set retry counter as 7 */
if (dp501_detect_cable_adapter(addr)) {
printf("DVI/HDMI cable adapter detected\n");
@ -69,16 +92,6 @@ void dp501_powerup(u8 addr)
dp501_clrbits(addr, 0x00, 0x08); /* DVI/HDMI HDCP operation */
} else {
printf("no DVI/HDMI cable adapter detected\n");
i2c_reg_write(addr + 2, 0x00, 0x18); /* driving strength */
i2c_reg_write(addr + 2, 0x03, 0x06); /* driving strength */
i2c_reg_write(addr, 0x2c, 0x00); /* configure N value */
i2c_reg_write(addr, 0x2d, 0x00); /* configure N value */
i2c_reg_write(addr, 0x2e, 0x0c); /* configure N value */
i2c_reg_write(addr, 0x76, 0xff); /* clear all interrupt */
dp501_setbits(addr, 0x78, 0x03); /* clear all interrupt */
i2c_reg_write(addr, 0x75, 0xf8); /* aux channel reset */
i2c_reg_write(addr, 0x75, 0x00); /* clear aux channel reset */
i2c_reg_write(addr, 0x87, 0x70); /* set retry counter as 7 */
dp501_setbits(addr, 0x00, 0x08); /* for DP HDCP operation */
dp501_link_training(addr);

112
board/gdsys/common/osd.c
View File

@ -58,45 +58,12 @@ unsigned int max_osd_screen = CONFIG_SYS_OSD_SCREENS - 1;
int ch7301_i2c[] = CONFIG_SYS_CH7301_I2C;
#endif
#if defined(CONFIG_SYS_ICS8N3QV01) || defined(CONFIG_SYS_SIL1178)
static void fpga_iic_write(unsigned screen, u8 slave, u8 reg, u8 data)
{
u16 val;
#ifdef CONFIG_SYS_ICS8N3QV01
int ics8n3qv01_i2c[] = CONFIG_SYS_ICS8N3QV01_I2C;
#endif
do {
FPGA_GET_REG(screen, extended_interrupt, &val);
} while (val & (1 << 12));
FPGA_SET_REG(screen, i2c.write_mailbox_ext, reg | (data << 8));
FPGA_SET_REG(screen, i2c.write_mailbox, 0xc400 | (slave << 1));
}
static u8 fpga_iic_read(unsigned screen, u8 slave, u8 reg)
{
unsigned int ctr = 0;
u16 val;
do {
FPGA_GET_REG(screen, extended_interrupt, &val);
} while (val & (1 << 12));
FPGA_SET_REG(screen, extended_interrupt, 1 << 14);
FPGA_SET_REG(screen, i2c.write_mailbox_ext, reg);
FPGA_SET_REG(screen, i2c.write_mailbox, 0xc000 | (slave << 1));
FPGA_GET_REG(screen, extended_interrupt, &val);
while (!(val & (1 << 14))) {
udelay(100000);
if (ctr++ > 5) {
printf("iic receive timeout\n");
break;
}
FPGA_GET_REG(screen, extended_interrupt, &val);
}
FPGA_GET_REG(screen, i2c.read_mailbox_ext, &val);
return val >> 8;
}
#ifdef CONFIG_SYS_SIL1178
int sil1178_i2c[] = CONFIG_SYS_SIL1178_I2C;
#endif
#ifdef CONFIG_SYS_MPC92469AC
@ -153,7 +120,7 @@ static void mpc92469ac_set(unsigned screen, unsigned int fout)
#ifdef CONFIG_SYS_ICS8N3QV01
static unsigned int ics8n3qv01_get_fout_calc(unsigned screen, unsigned index)
static unsigned int ics8n3qv01_get_fout_calc(unsigned index)
{
unsigned long long n;
unsigned long long mint;
@ -164,11 +131,11 @@ static unsigned int ics8n3qv01_get_fout_calc(unsigned screen, unsigned index)
if (index > 3)
return 0;
reg_a = fpga_iic_read(screen, ICS8N3QV01_I2C_ADDR, 0 + index);
reg_b = fpga_iic_read(screen, ICS8N3QV01_I2C_ADDR, 4 + index);
reg_c = fpga_iic_read(screen, ICS8N3QV01_I2C_ADDR, 8 + index);
reg_d = fpga_iic_read(screen, ICS8N3QV01_I2C_ADDR, 12 + index);
reg_f = fpga_iic_read(screen, ICS8N3QV01_I2C_ADDR, 20 + index);
reg_a = i2c_reg_read(ICS8N3QV01_I2C_ADDR, 0 + index);
reg_b = i2c_reg_read(ICS8N3QV01_I2C_ADDR, 4 + index);
reg_c = i2c_reg_read(ICS8N3QV01_I2C_ADDR, 8 + index);
reg_d = i2c_reg_read(ICS8N3QV01_I2C_ADDR, 12 + index);
reg_f = i2c_reg_read(ICS8N3QV01_I2C_ADDR, 20 + index);
mint = ((reg_a >> 1) & 0x1f) | (reg_f & 0x20);
mfrac = ((reg_a & 0x01) << 17) | (reg_b << 9) | (reg_c << 1)
@ -216,7 +183,7 @@ static void ics8n3qv01_calc_parameters(unsigned int fout,
*_n = n;
}
static void ics8n3qv01_set(unsigned screen, unsigned int fout)
static void ics8n3qv01_set(unsigned int fout)
{
unsigned int n;
unsigned int mint;
@ -226,7 +193,7 @@ static void ics8n3qv01_set(unsigned screen, unsigned int fout)
long long off_ppm;
u8 reg0, reg4, reg8, reg12, reg18, reg20;
fout_calc = ics8n3qv01_get_fout_calc(screen, 1);
fout_calc = ics8n3qv01_get_fout_calc(1);
off_ppm = (fout_calc - ICS8N3QV01_F_DEFAULT_1) * 1000000
/ ICS8N3QV01_F_DEFAULT_1;
printf(" PLL is off by %lld ppm\n", off_ppm);
@ -234,28 +201,28 @@ static void ics8n3qv01_set(unsigned screen, unsigned int fout)
/ ICS8N3QV01_F_DEFAULT_1;
ics8n3qv01_calc_parameters(fout_prog, &mint, &mfrac, &n);
reg0 = fpga_iic_read(screen, ICS8N3QV01_I2C_ADDR, 0) & 0xc0;
reg0 = i2c_reg_read(ICS8N3QV01_I2C_ADDR, 0) & 0xc0;
reg0 |= (mint & 0x1f) << 1;
reg0 |= (mfrac >> 17) & 0x01;
fpga_iic_write(screen, ICS8N3QV01_I2C_ADDR, 0, reg0);
i2c_reg_write(ICS8N3QV01_I2C_ADDR, 0, reg0);
reg4 = mfrac >> 9;
fpga_iic_write(screen, ICS8N3QV01_I2C_ADDR, 4, reg4);
i2c_reg_write(ICS8N3QV01_I2C_ADDR, 4, reg4);
reg8 = mfrac >> 1;
fpga_iic_write(screen, ICS8N3QV01_I2C_ADDR, 8, reg8);
i2c_reg_write(ICS8N3QV01_I2C_ADDR, 8, reg8);
reg12 = mfrac << 7;
reg12 |= n & 0x7f;
fpga_iic_write(screen, ICS8N3QV01_I2C_ADDR, 12, reg12);
i2c_reg_write(ICS8N3QV01_I2C_ADDR, 12, reg12);
reg18 = fpga_iic_read(screen, ICS8N3QV01_I2C_ADDR, 18) & 0x03;
reg18 = i2c_reg_read(ICS8N3QV01_I2C_ADDR, 18) & 0x03;
reg18 |= 0x20;
fpga_iic_write(screen, ICS8N3QV01_I2C_ADDR, 18, reg18);
i2c_reg_write(ICS8N3QV01_I2C_ADDR, 18, reg18);
reg20 = fpga_iic_read(screen, ICS8N3QV01_I2C_ADDR, 20) & 0x1f;
reg20 = i2c_reg_read(ICS8N3QV01_I2C_ADDR, 20) & 0x1f;
reg20 |= mint & (1 << 5);
fpga_iic_write(screen, ICS8N3QV01_I2C_ADDR, 20, reg20);
i2c_reg_write(ICS8N3QV01_I2C_ADDR, 20, reg20);
}
#endif
@ -315,9 +282,7 @@ int osd_probe(unsigned screen)
u16 version;
u16 features;
u8 value;
#ifdef CONFIG_SYS_CH7301
int old_bus = i2c_get_bus_num();
#endif
FPGA_GET_REG(0, osd.version, &version);
FPGA_GET_REG(0, osd.features, &features);
@ -345,7 +310,6 @@ int osd_probe(unsigned screen)
i2c_reg_write(CH7301_I2C_ADDR, CH7301_TPF, 0x60);
i2c_reg_write(CH7301_I2C_ADDR, CH7301_DC, 0x09);
i2c_reg_write(CH7301_I2C_ADDR, CH7301_PM, 0xc0);
i2c_set_bus_num(old_bus);
#endif
#ifdef CONFIG_SYS_MPC92469AC
@ -353,29 +317,31 @@ int osd_probe(unsigned screen)
#endif
#ifdef CONFIG_SYS_ICS8N3QV01
ics8n3qv01_set(screen, PIXCLK_640_480_60);
i2c_set_bus_num(ics8n3qv01_i2c[screen]);
ics8n3qv01_set(PIXCLK_640_480_60);
#endif
#ifdef CONFIG_SYS_SIL1178
value = fpga_iic_read(screen, SIL1178_SLAVE_I2C_ADDRESS, 0x02);
i2c_set_bus_num(sil1178_i2c[screen]);
value = i2c_reg_read(SIL1178_SLAVE_I2C_ADDRESS, 0x02);
if (value != 0x06) {
printf(" Probing CH7301 SIL1178, DEV_IDL %02x\n", value);
printf(" Probing SIL1178, DEV_IDL %02x\n", value);
i2c_set_bus_num(old_bus);
return -1;
}
/* magic initialization sequence adapted from datasheet */
fpga_iic_write(screen, SIL1178_SLAVE_I2C_ADDRESS, 0x08, 0x36);
fpga_iic_write(screen, SIL1178_MASTER_I2C_ADDRESS, 0x0f, 0x44);
fpga_iic_write(screen, SIL1178_MASTER_I2C_ADDRESS, 0x0f, 0x4c);
fpga_iic_write(screen, SIL1178_MASTER_I2C_ADDRESS, 0x0e, 0x10);
fpga_iic_write(screen, SIL1178_MASTER_I2C_ADDRESS, 0x0a, 0x80);
fpga_iic_write(screen, SIL1178_MASTER_I2C_ADDRESS, 0x09, 0x30);
fpga_iic_write(screen, SIL1178_MASTER_I2C_ADDRESS, 0x0c, 0x89);
fpga_iic_write(screen, SIL1178_MASTER_I2C_ADDRESS, 0x0d, 0x60);
fpga_iic_write(screen, SIL1178_MASTER_I2C_ADDRESS, 0x08, 0x36);
fpga_iic_write(screen, SIL1178_MASTER_I2C_ADDRESS, 0x08, 0x37);
i2c_reg_write(SIL1178_SLAVE_I2C_ADDRESS, 0x08, 0x36);
i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS, 0x0f, 0x44);
i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS, 0x0f, 0x4c);
i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS, 0x0e, 0x10);
i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS, 0x0a, 0x80);
i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS, 0x09, 0x30);
i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS, 0x0c, 0x89);
i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS, 0x0d, 0x60);
i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS, 0x08, 0x36);
i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS, 0x08, 0x37);
#endif
FPGA_SET_REG(screen, videocontrol, 0x0002);
FPGA_SET_REG(screen, osd.control, 0x0049);
FPGA_SET_REG(screen, osd.xy_size, ((32 - 1) << 8) | (16 - 1));
@ -385,6 +351,8 @@ int osd_probe(unsigned screen)
if (screen > max_osd_screen)
max_osd_screen = screen;
i2c_set_bus_num(old_bus);
return 0;
}

9
include/configs/iocon.h
View File

@ -121,7 +121,9 @@
#define CONFIG_SYS_I2C_SOFT_SPEED_4 50000
#define CONFIG_SYS_I2C_SOFT_SLAVE_4 0x7F
#define CONFIG_SYS_ICS8N3QV01_I2C {1, 2, 3, 4}
#define CONFIG_SYS_CH7301_I2C {1, 2, 3, 4}
#define CONFIG_SYS_DP501_I2C {1, 2, 3, 4}
#ifndef __ASSEMBLY__
void fpga_gpio_set(unsigned int bus, int pin);
@ -146,6 +148,8 @@ int fpga_gpio_get(unsigned int bus, int pin);
fpga_gpio_set(I2C_ADAP_HWNR, 0x0020); \
else \
fpga_gpio_clear(I2C_ADAP_HWNR, 0x0020); \
while (!!fpga_gpio_get(I2C_ADAP_HWNR, 0x0020) != !!bit) \
; \
} while (0)
#define I2C_DELAY udelay(25) /* 1/4 I2C clock duration */
@ -153,7 +157,6 @@ int fpga_gpio_get(unsigned int bus, int pin);
* OSD hardware
*/
#define CONFIG_SYS_MPC92469AC
#define CONFIG_SYS_CH7301
/*
* FLASH organization
@ -282,9 +285,11 @@ int fpga_gpio_get(unsigned int bus, int pin);
/*
* OSD Setup
*/
#define CONFIG_SYS_ICS8N3QV01
#define CONFIG_SYS_MPC92469AC
#define CONFIG_SYS_CH7301
#define CONFIG_SYS_OSD_SCREENS 1
#define CONFIG_SYS_DP501_DIFFERENTIAL
#define CONFIG_SYS_DP501_VCAPCTRL0 0x01 /* DDR mode 0, DE for H/VSYNC */
#define CONFIG_BITBANGMII /* bit-bang MII PHY management */
#define CONFIG_BITBANGMII_MULTI