diff options
| author | Anton Vorontsov <avorontsov@ru.mvista.com> | 2009-02-19 18:20:39 +0300 |
|---|---|---|
| committer | Kim Phillips <kim.phillips@freescale.com> | 2009-03-05 18:13:11 -0600 |
| commit | 7e2ec1de1d2d723b59d7dd2fb85ff71b952d63af (patch) | |
| tree | 362134aa7c56b1860c8bfc286517d8a71d919c55 | |
| parent | 7e91558032a0c1932dd7f4f562f9c7cc55efc496 (diff) | |
| download | blackbird-obmc-uboot-7e2ec1de1d2d723b59d7dd2fb85ff71b952d63af.tar.gz blackbird-obmc-uboot-7e2ec1de1d2d723b59d7dd2fb85ff71b952d63af.zip | |
mpc83xx: MPC837XEMDS: Initialize SerDes before negating PCIE reset signal
The SerDes initialization should be finished before negating the reset
signal according to the reference manual. This isn't an issue on real
hardware, but we'd better stick to the specifications anyway.
Suggested-by: Liu Dave <DaveLiu@freescale.com>
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
| -rw-r--r-- | board/freescale/mpc837xemds/pci.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/board/freescale/mpc837xemds/pci.c b/board/freescale/mpc837xemds/pci.c index 31116b31ce..29de2e77f0 100644 --- a/board/freescale/mpc837xemds/pci.c +++ b/board/freescale/mpc837xemds/pci.c @@ -115,6 +115,13 @@ skip_pci: if (PARTID_NO_E(spridr) == SPR_8379) return; + if (pex2) + fsl_setup_serdes(CONFIG_FSL_SERDES2, FSL_SERDES_PROTO_PEX_X2, + FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V); + else + fsl_setup_serdes(CONFIG_FSL_SERDES2, FSL_SERDES_PROTO_PEX, + FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V); + /* Configure the clock for PCIE controller */ clrsetbits_be32(&clk->sccr, SCCR_PCIEXP1CM | SCCR_PCIEXP2CM, SCCR_PCIEXP1CM_1 | SCCR_PCIEXP2CM_1); @@ -132,13 +139,6 @@ skip_pci: out_be32(&pcie_law[1].bar, CONFIG_SYS_PCIE2_BASE & LAWBAR_BAR); out_be32(&pcie_law[1].ar, LBLAWAR_EN | LBLAWAR_512MB); - if (pex2) - fsl_setup_serdes(CONFIG_FSL_SERDES2, FSL_SERDES_PROTO_PEX_X2, - FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V); - else - fsl_setup_serdes(CONFIG_FSL_SERDES2, FSL_SERDES_PROTO_PEX, - FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V); - mpc83xx_pcie_init(pex2 ? 1 : 2, pcie_reg, 0); } |
