From: Dirk Eibach dirk.eibach@gdsys.cc
There is a new iocon hardware flavor, supporting DisplayPort finally.
Signed-off-by: Dirk Eibach dirk.eibach@gdsys.cc ---
Changes in v3: None Changes in v2: None
board/gdsys/405ep/iocon.c | 12 +++++ board/gdsys/common/Makefile | 2 +- board/gdsys/common/dp501.c | 33 +++++++++---- board/gdsys/common/osd.c | 112 ++++++++++++++++---------------------------- include/configs/iocon.h | 9 +++- 5 files changed, 83 insertions(+), 85 deletions(-)
diff --git a/board/gdsys/405ep/iocon.c b/board/gdsys/405ep/iocon.c index 7a98e41..079dfb2 100644 --- a/board/gdsys/405ep/iocon.c +++ b/board/gdsys/405ep/iocon.c @@ -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);
diff --git a/board/gdsys/common/Makefile b/board/gdsys/common/Makefile index fb841e0..7f8b427 100644 --- a/board/gdsys/common/Makefile +++ b/board/gdsys/common/Makefile @@ -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 diff --git a/board/gdsys/common/dp501.c b/board/gdsys/common/dp501.c index 52f3ea1..e00e589 100644 --- a/board/gdsys/common/dp501.c +++ b/board/gdsys/common/dp501.c @@ -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); diff --git a/board/gdsys/common/osd.c b/board/gdsys/common/osd.c index c49cd9a..a839a4e 100644 --- a/board/gdsys/common/osd.c +++ b/board/gdsys/common/osd.c @@ -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; - - 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); - } +#ifdef CONFIG_SYS_ICS8N3QV01 +int ics8n3qv01_i2c[] = CONFIG_SYS_ICS8N3QV01_I2C; +#endif
- 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; }
diff --git a/include/configs/iocon.h b/include/configs/iocon.h index f36c2a3..5636f38 100644 --- a/include/configs/iocon.h +++ b/include/configs/iocon.h @@ -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