[U-Boot] [PATCH v4 11/13] board: iocon: Modify iocon hardware startup

dirk.eibach at gdsys.cc dirk.eibach at gdsys.cc
Thu Jul 3 09:28:24 CEST 2014


From: Dirk Eibach <dirk.eibach at gdsys.cc>

To avoid peer "ChReceivePathStatus"-messages on iocon startup, initialize
PHYs as soon as possible.

Signed-off-by: Dirk Eibach <dirk.eibach at gdsys.cc>
---

Changes in v4: None
Changes in v3: None
Changes in v2: None

 board/gdsys/405ep/iocon.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/board/gdsys/405ep/iocon.c b/board/gdsys/405ep/iocon.c
index 6ae15e1..1bac970 100644
--- a/board/gdsys/405ep/iocon.c
+++ b/board/gdsys/405ep/iocon.c
@@ -377,14 +377,10 @@ int last_stage_init(void)
 	if (!legacy) {
 		/* Turn on Parade DP501 */
 		pca9698_direction_output(0x20, 9, 1);
-		udelay(500000);
 
 		ch0_rgmii2_present = !pca9698_get_value(0x20, 30);
 	}
 
-	print_fpga_info(0, ch0_rgmii2_present);
-	osd_probe(0);
-
 	/* wait for FPGA done */
 	for (k = 0; k < ARRAY_SIZE(mclink_controllers); ++k) {
 		unsigned int ctr = 0;
@@ -413,13 +409,16 @@ int last_stage_init(void)
 		}
 	}
 
-	/* wait for slave-PLLs to be up and running */
+	/* give slave-PLLs and Parade DP501 some time to be up and running */
 	udelay(500000);
 
 	mclink_fpgacount = CONFIG_SYS_MCLINK_MAX;
 	slaves = mclink_probe();
 	mclink_fpgacount = 0;
 
+	print_fpga_info(0, ch0_rgmii2_present);
+	osd_probe(0);
+
 	if (slaves <= 0)
 		return 0;
 
-- 
1.8.3



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