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authorDirk Eibach <dirk.eibach@gdsys.cc>2014-07-03 09:28:17 +0200
committerTom Rini <trini@ti.com>2014-07-07 19:47:18 -0400
commitedfe9fea7ce0a1cfde67712a67f88b601eb7803f (patch)
tree7b53af54931d4de8d678153151d961acc8513cba /board/gdsys/405ep
parent35ecf752305aadd2b048c5942f56bec813d12ad4 (diff)
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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>
Diffstat (limited to 'board/gdsys/405ep')
-rw-r--r--board/gdsys/405ep/iocon.c12
1 files changed, 12 insertions, 0 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);