diff options
| author | Tirumala R Marri <tmarri@amcc.com> | 2008-08-21 14:53:34 -0400 |
|---|---|---|
| committer | Josh Boyer <jwboyer@linux.vnet.ibm.com> | 2008-08-28 08:58:53 -0400 |
| commit | e30c98758453d743fab00e45da0eac6fc581958a (patch) | |
| tree | de72d65f950168a653eb12a95edb87e2dec4a6ed /arch | |
| parent | 7713fef06517d216f96ee7c8ad750e72bc08d38f (diff) | |
powerpc/44x: AMCC PPC460GT/EX PCI-E de-emphasis adjustment fix
During recent tests with PCI-E , it has been found the
DRV + De-Emphasis values are not optimum. These new values
are tested thouroughly.
Signed-off-by: Tirumala R Marri <tmarri@amcc.com>
Signed-off-by: Feng Kan fkan@amcc.com
Acked-by: Stefan Roese <sr@denx.de>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/sysdev/ppc4xx_pci.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/powerpc/sysdev/ppc4xx_pci.c b/arch/powerpc/sysdev/ppc4xx_pci.c index fb368dfde5d4..d5c345dbb89d 100644 --- a/arch/powerpc/sysdev/ppc4xx_pci.c +++ b/arch/powerpc/sysdev/ppc4xx_pci.c | |||
| @@ -810,7 +810,7 @@ static int ppc460ex_pciex_init_port_hw(struct ppc4xx_pciex_port *port) | |||
| 810 | switch (port->index) { | 810 | switch (port->index) { |
| 811 | case 0: | 811 | case 0: |
| 812 | mtdcri(SDR0, PESDR0_460EX_L0CDRCTL, 0x00003230); | 812 | mtdcri(SDR0, PESDR0_460EX_L0CDRCTL, 0x00003230); |
| 813 | mtdcri(SDR0, PESDR0_460EX_L0DRV, 0x00000136); | 813 | mtdcri(SDR0, PESDR0_460EX_L0DRV, 0x00000130); |
| 814 | mtdcri(SDR0, PESDR0_460EX_L0CLK, 0x00000006); | 814 | mtdcri(SDR0, PESDR0_460EX_L0CLK, 0x00000006); |
| 815 | 815 | ||
| 816 | mtdcri(SDR0, PESDR0_460EX_PHY_CTL_RST,0x10000000); | 816 | mtdcri(SDR0, PESDR0_460EX_PHY_CTL_RST,0x10000000); |
| @@ -821,10 +821,10 @@ static int ppc460ex_pciex_init_port_hw(struct ppc4xx_pciex_port *port) | |||
| 821 | mtdcri(SDR0, PESDR1_460EX_L1CDRCTL, 0x00003230); | 821 | mtdcri(SDR0, PESDR1_460EX_L1CDRCTL, 0x00003230); |
| 822 | mtdcri(SDR0, PESDR1_460EX_L2CDRCTL, 0x00003230); | 822 | mtdcri(SDR0, PESDR1_460EX_L2CDRCTL, 0x00003230); |
| 823 | mtdcri(SDR0, PESDR1_460EX_L3CDRCTL, 0x00003230); | 823 | mtdcri(SDR0, PESDR1_460EX_L3CDRCTL, 0x00003230); |
| 824 | mtdcri(SDR0, PESDR1_460EX_L0DRV, 0x00000136); | 824 | mtdcri(SDR0, PESDR1_460EX_L0DRV, 0x00000130); |
| 825 | mtdcri(SDR0, PESDR1_460EX_L1DRV, 0x00000136); | 825 | mtdcri(SDR0, PESDR1_460EX_L1DRV, 0x00000130); |
| 826 | mtdcri(SDR0, PESDR1_460EX_L2DRV, 0x00000136); | 826 | mtdcri(SDR0, PESDR1_460EX_L2DRV, 0x00000130); |
| 827 | mtdcri(SDR0, PESDR1_460EX_L3DRV, 0x00000136); | 827 | mtdcri(SDR0, PESDR1_460EX_L3DRV, 0x00000130); |
| 828 | mtdcri(SDR0, PESDR1_460EX_L0CLK, 0x00000006); | 828 | mtdcri(SDR0, PESDR1_460EX_L0CLK, 0x00000006); |
| 829 | mtdcri(SDR0, PESDR1_460EX_L1CLK, 0x00000006); | 829 | mtdcri(SDR0, PESDR1_460EX_L1CLK, 0x00000006); |
| 830 | mtdcri(SDR0, PESDR1_460EX_L2CLK, 0x00000006); | 830 | mtdcri(SDR0, PESDR1_460EX_L2CLK, 0x00000006); |