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ppc4xx: AMCC PPC460GT/EX PCI-E de-emphasis adjustment fix
During recent PCI-E tests it has been found that current driverl level and de-emphasis values are not set correctly. After sweeping throgh all de-ephasis values, it was found that 0x130 is a right value. Where 0x13 is driver level and 0 is de-emphasis. Signed-off-by: Tirumala R Marri <tmarri@amcc.com> Signed-off-by: Stefan Roese <sr@denx.de>
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1 changed files with 5 additions and 5 deletions
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@ -638,7 +638,7 @@ int __ppc4xx_init_pcie_port_hw(int port, int rootport)
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switch (port) {
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switch (port) {
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case 0:
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case 0:
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SDR_WRITE(PESDR0_L0CDRCTL, 0x00003230);
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SDR_WRITE(PESDR0_L0CDRCTL, 0x00003230);
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SDR_WRITE(PESDR0_L0DRV, 0x00000136);
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SDR_WRITE(PESDR0_L0DRV, 0x00000130);
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SDR_WRITE(PESDR0_L0CLK, 0x00000006);
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SDR_WRITE(PESDR0_L0CLK, 0x00000006);
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SDR_WRITE(PESDR0_PHY_CTL_RST,0x10000000);
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SDR_WRITE(PESDR0_PHY_CTL_RST,0x10000000);
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@ -649,10 +649,10 @@ int __ppc4xx_init_pcie_port_hw(int port, int rootport)
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SDR_WRITE(PESDR1_L1CDRCTL, 0x00003230);
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SDR_WRITE(PESDR1_L1CDRCTL, 0x00003230);
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SDR_WRITE(PESDR1_L2CDRCTL, 0x00003230);
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SDR_WRITE(PESDR1_L2CDRCTL, 0x00003230);
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SDR_WRITE(PESDR1_L3CDRCTL, 0x00003230);
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SDR_WRITE(PESDR1_L3CDRCTL, 0x00003230);
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SDR_WRITE(PESDR1_L0DRV, 0x00000136);
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SDR_WRITE(PESDR1_L0DRV, 0x00000130);
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SDR_WRITE(PESDR1_L1DRV, 0x00000136);
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SDR_WRITE(PESDR1_L1DRV, 0x00000130);
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SDR_WRITE(PESDR1_L2DRV, 0x00000136);
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SDR_WRITE(PESDR1_L2DRV, 0x00000130);
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SDR_WRITE(PESDR1_L3DRV, 0x00000136);
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SDR_WRITE(PESDR1_L3DRV, 0x00000130);
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SDR_WRITE(PESDR1_L0CLK, 0x00000006);
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SDR_WRITE(PESDR1_L0CLK, 0x00000006);
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SDR_WRITE(PESDR1_L1CLK, 0x00000006);
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SDR_WRITE(PESDR1_L1CLK, 0x00000006);
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SDR_WRITE(PESDR1_L2CLK, 0x00000006);
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SDR_WRITE(PESDR1_L2CLK, 0x00000006);
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