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T2080QDS/PCIe: Soft Reset PCIe on T2080QDS for down-training issue

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T2080QDS PEX1/Slot#1 will down-train from x4 to x2,
with SRDS_PRTCL_S1 = 0x66 and SRDS_PRTCL_S2 = 0x15.
Soft reset PCIe can fix this issue.

Signed-off-by: Zhao Qiang <B45475@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
This commit is contained in:
Zhao Qiang
2015-03-26 16:13:09 +08:00
committed by York Sun
parent 373762c34c
commit 5066e62847
2 changed files with 16 additions and 0 deletions
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1
include/configs/T208xQDS.h
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@@ -575,6 +575,7 @@ unsigned long get_board_ddr_clk(void);
#define CONFIG_PCIE2 /* PCIE controler 2 */
#define CONFIG_PCIE3 /* PCIE controler 3 */
#define CONFIG_PCIE4 /* PCIE controler 4 */
#define CONFIG_FSL_PCIE_RESET
#define CONFIG_FSL_PCI_INIT /* Use common FSL init code */
#define CONFIG_SYS_PCI_64BIT /* enable 64-bit PCI resources */
/* controller 1, direct to uli, tgtid 3, Base address 20000 */