From 57b84a0d5aff855c4670ac5e231917eecb8b4273 Mon Sep 17 00:00:00 2001 From: Reinhard Pfau Date: Wed, 28 Oct 2015 11:46:30 +0100 Subject: [PATCH] iocon: reset FPGAs in last_stage_init() - Reset FPGAs in last_stage_init() Signed-off-by: Reinhard Pfau Signed-off-by: Dirk Eibach --- board/gdsys/405ep/iocon.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/board/gdsys/405ep/iocon.c b/board/gdsys/405ep/iocon.c index 3a51d864cd..7484624d13 100644 --- a/board/gdsys/405ep/iocon.c +++ b/board/gdsys/405ep/iocon.c @@ -381,7 +381,7 @@ int last_stage_init(void) ch0_rgmii2_present = !pca9698_get_value(0x20, 30); } - /* wait for FPGA done */ + /* wait for FPGA done; then reset FPGA */ for (k = 0; k < ARRAY_SIZE(mclink_controllers); ++k) { unsigned int ctr = 0; @@ -396,6 +396,12 @@ int last_stage_init(void) break; } } + + pca953x_set_dir(mclink_controllers[k], MCFPGA_RESET_N, 0); + pca953x_set_val(mclink_controllers[k], MCFPGA_RESET_N, 0); + udelay(10); + pca953x_set_val(mclink_controllers[k], MCFPGA_RESET_N, + MCFPGA_RESET_N); } if (!legacy && (feature_carrier_speed == CARRIER_SPEED_1G)) { -- 2.39.5