diff mbox

[U-Boot,v1,09/18] iocon: reset FPGAs in last_stage_init()

Message ID 1446029199-11704-10-git-send-email-dirk.eibach@gdsys.cc
State Accepted
Delegated to: Tom Rini
Headers show

Commit Message

Dirk Eibach Oct. 28, 2015, 10:46 a.m. UTC 
From: Reinhard Pfau <pfau@gdsys.de>

- Reset FPGAs in last_stage_init()

Signed-off-by: Reinhard Pfau <pfau@gdsys.de>
Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>
---

 board/gdsys/405ep/iocon.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

Comments

Tom Rini Nov. 13, 2015, 1:29 a.m. UTC | #1 
On Wed, Oct 28, 2015 at 11:46:30AM +0100, Dirk Eibach wrote:

> From: Reinhard Pfau <pfau@gdsys.de>
> 
> - Reset FPGAs in last_stage_init()
> 
> Signed-off-by: Reinhard Pfau <pfau@gdsys.de>
> Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>

Applied to u-boot/master, thanks!
Tom Rini Nov. 13, 2015, 1:29 a.m. UTC | #2 
On Wed, Oct 28, 2015 at 11:46:30AM +0100, Dirk Eibach wrote:

> From: Reinhard Pfau <pfau@gdsys.de>
> 
> - Reset FPGAs in last_stage_init()
> 
> Signed-off-by: Reinhard Pfau <pfau@gdsys.de>
> Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>

Applied to u-boot/master, thanks!
diff mbox

Patch

diff --git a/board/gdsys/405ep/iocon.c b/board/gdsys/405ep/iocon.c
index 3a51d86..7484624 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)) {