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board: gdsys: Make gdsys osd hardware detection more robust

Browse source 
Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>
This commit is contained in:
Dirk Eibach 2014-07-03 09:28:22 +02:00 committed by Tom Rini
parent 5568fb4402
commit 3a990bfaea
5 changed files with 81 additions and 62 deletions
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17
board/gdsys/405ep/iocon.c
View file

@ -15,7 +15,6 @@
#include "405ep.h"
#include <gdsys_fpga.h>
#include "../common/dp501.h"
#include "../common/osd.h"
#include "../common/mclink.h"
@ -99,8 +98,6 @@ 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)
@ -374,20 +371,16 @@ 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);
if (!legacy) {
/* 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);
}
print_fpga_info(0, ch0_rgmii2_present);
osd_probe(0);

117
board/gdsys/common/osd.c
View file

@ -9,6 +9,7 @@
#include <i2c.h>
#include <malloc.h>
#include "dp501.h"
#include <gdsys_fpga.h>
#define CH7301_I2C_ADDR 0x75
@ -24,6 +25,8 @@
#define SIL1178_MASTER_I2C_ADDRESS 0x38
#define SIL1178_SLAVE_I2C_ADDRESS 0x39
#define DP501_I2C_ADDR 0x08
#define PIXCLK_640_480_60 25180000
enum {
@ -54,18 +57,23 @@ u16 *buf;
unsigned int max_osd_screen = CONFIG_SYS_OSD_SCREENS - 1;
#ifdef CONFIG_SYS_CH7301
int ch7301_i2c[] = CONFIG_SYS_CH7301_I2C;
#endif
#ifdef CONFIG_SYS_ICS8N3QV01
#ifdef CONFIG_SYS_ICS8N3QV01_I2C
int ics8n3qv01_i2c[] = CONFIG_SYS_ICS8N3QV01_I2C;
#endif
#ifdef CONFIG_SYS_SIL1178
#ifdef CONFIG_SYS_CH7301_I2C
int ch7301_i2c[] = CONFIG_SYS_CH7301_I2C;
#endif
#ifdef CONFIG_SYS_SIL1178_I2C
int sil1178_i2c[] = CONFIG_SYS_SIL1178_I2C;
#endif
#ifdef CONFIG_SYS_DP501_I2C
int dp501_i2c[] = CONFIG_SYS_DP501_I2C;
#endif
#ifdef CONFIG_SYS_MPC92469AC
static void mpc92469ac_calc_parameters(unsigned int fout,
unsigned int *post_div, unsigned int *feedback_div)
@ -118,7 +126,7 @@ static void mpc92469ac_set(unsigned screen, unsigned int fout)
}
#endif
#ifdef CONFIG_SYS_ICS8N3QV01
#ifdef CONFIG_SYS_ICS8N3QV01_I2C
static unsigned int ics8n3qv01_get_fout_calc(unsigned index)
{
@ -283,6 +291,8 @@ int osd_probe(unsigned screen)
u16 features;
u8 value;
int old_bus = i2c_get_bus_num();
bool pixclock_present = false;
bool output_driver_present = false;
FPGA_GET_REG(0, osd.version, &version);
FPGA_GET_REG(0, osd.features, &features);
@ -297,51 +307,76 @@ int osd_probe(unsigned screen)
printf("OSD%d: Digital-OSD version %01d.%02d, %d" "x%d characters\n",
screen, version/100, version%100, base_width, base_height);
#ifdef CONFIG_SYS_CH7301
i2c_set_bus_num(ch7301_i2c[screen]);
value = i2c_reg_read(CH7301_I2C_ADDR, CH7301_DID);
if (value != 0x17) {
printf(" Probing CH7301 failed, DID %02x\n", value);
i2c_set_bus_num(old_bus);
return -1;
}
i2c_reg_write(CH7301_I2C_ADDR, CH7301_TPCP, 0x08);
i2c_reg_write(CH7301_I2C_ADDR, CH7301_TPD, 0x16);
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);
#endif
/* setup pixclock */
#ifdef CONFIG_SYS_MPC92469AC
pixclock_present = true;
mpc92469ac_set(screen, PIXCLK_640_480_60);
#endif
#ifdef CONFIG_SYS_ICS8N3QV01
#ifdef CONFIG_SYS_ICS8N3QV01_I2C
i2c_set_bus_num(ics8n3qv01_i2c[screen]);
ics8n3qv01_set(PIXCLK_640_480_60);
if (!i2c_probe(ICS8N3QV01_I2C_ADDR)) {
ics8n3qv01_set(PIXCLK_640_480_60);
pixclock_present = true;
}
#endif
#ifdef CONFIG_SYS_SIL1178
i2c_set_bus_num(sil1178_i2c[screen]);
value = i2c_reg_read(SIL1178_SLAVE_I2C_ADDRESS, 0x02);
if (value != 0x06) {
printf(" Probing SIL1178, DEV_IDL %02x\n", value);
i2c_set_bus_num(old_bus);
return -1;
if (!pixclock_present)
printf(" no pixelclock found\n");
/* setup output driver */
#ifdef CONFIG_SYS_CH7301_I2C
i2c_set_bus_num(ch7301_i2c[screen]);
if (!i2c_probe(CH7301_I2C_ADDR)) {
value = i2c_reg_read(CH7301_I2C_ADDR, CH7301_DID);
if (value == 0x17) {
i2c_reg_write(CH7301_I2C_ADDR, CH7301_TPCP, 0x08);
i2c_reg_write(CH7301_I2C_ADDR, CH7301_TPD, 0x16);
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);
output_driver_present = true;
}
}
/* magic initialization sequence adapted from datasheet */
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
#ifdef CONFIG_SYS_SIL1178_I2C
i2c_set_bus_num(sil1178_i2c[screen]);
if (!i2c_probe(SIL1178_SLAVE_I2C_ADDRESS)) {
value = i2c_reg_read(SIL1178_SLAVE_I2C_ADDRESS, 0x02);
if (value == 0x06) {
/*
* magic initialization sequence,
* adapted from datasheet
*/
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);
output_driver_present = true;
}
}
#endif
#ifdef CONFIG_SYS_DP501_I2C
i2c_set_bus_num(dp501_i2c[screen]);
if (!i2c_probe(DP501_I2C_ADDR)) {
dp501_powerup(DP501_I2C_ADDR);
output_driver_present = true;
}
#endif
if (!output_driver_present)
printf(" no output driver found\n");
FPGA_SET_REG(screen, osd.control, 0x0049);
FPGA_SET_REG(screen, osd.xy_size, ((32 - 1) << 8) | (16 - 1));

1
drivers/i2c/ihs_i2c.c
View file

@ -34,7 +34,6 @@ static int wait_for_int(bool read)
| (read ? I2CINT_RECEIVE_EV : I2CINT_TRANSMIT_EV)))) {
udelay(10);
if (ctr++ > 5000) {
printf("I2C timeout\n");
return 1;
}
FPGA_GET_REG(I2C_ADAP_HWNR, i2c.interrupt_status, &val);

2
include/configs/dlvision-10g.h
View file

@ -121,9 +121,7 @@
{ 54, 27 }, { 56, 31 }, { 58, 36 }, { 60, 40 } }
#define CONFIG_DTT_TACH_LIMIT 0xa10
#define CONFIG_SYS_ICS8N3QV01
#define CONFIG_SYS_ICS8N3QV01_I2C {0, 1}
#define CONFIG_SYS_SIL1178
#define CONFIG_SYS_SIL1178_I2C {0, 1}
/* EBC peripherals */

6
include/configs/iocon.h
View file

@ -166,11 +166,6 @@ int fpga_gpio_get(unsigned int bus, int pin);
} while (0)
#define I2C_DELAY udelay(25) /* 1/4 I2C clock duration */
/*
* OSD hardware
*/
#define CONFIG_SYS_MPC92469AC
/*
* FLASH organization
*/
@ -298,7 +293,6 @@ int fpga_gpio_get(unsigned int bus, int pin);
/*
* OSD Setup
*/
#define CONFIG_SYS_ICS8N3QV01
#define CONFIG_SYS_MPC92469AC
#define CONFIG_SYS_OSD_SCREENS 1
#define CONFIG_SYS_DP501_DIFFERENTIAL