[U-Boot] [PATCH] arm: mvebu: theadorable: Configure board for PCIe 2.0 capability
Stefan Roese
sr at denx.de
Thu Aug 25 16:22:10 CEST 2016
Use a board-specific board_sat_r_get() function to configure the board
for PCIe 2.0 capability (e.g. 5GB/s link speed). Otherwise the default
of 2.5GB/s will be established.
Signed-off-by: Stefan Roese <sr at denx.de>
---
board/theadorable/theadorable.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/board/theadorable/theadorable.c b/board/theadorable/theadorable.c
index 9c0f120..4be7b61 100644
--- a/board/theadorable/theadorable.c
+++ b/board/theadorable/theadorable.c
@@ -126,6 +126,12 @@ MV_BIN_SERDES_CFG *board_serdes_cfg_get(u8 pex_mode)
return &theadorable_serdes_cfg[0];
}
+u8 board_sat_r_get(u8 dev_num, u8 reg)
+{
+ /* Bit 0 enables PCI 2.0 link capabilities instead of PCI 1.x */
+ return 0x01;
+}
+
int board_early_init_f(void)
{
/* Configure MPP */
--
2.9.3
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