diff options
| author | Tony O'Brien <tony.obrien@alliedtelesis.co.nz> | 2016-12-02 09:22:34 +1300 |
|---|---|---|
| committer | York Sun <york.sun@nxp.com> | 2017-01-24 13:28:31 -0800 |
| commit | 09bfd962bdc97359b916bfbf18a17e2a85396d65 (patch) | |
| tree | f10f742b21bd31dbd0d35b97064913d5630091db /arch/powerpc/include | |
| parent | 06ad970b53a3d6aa122685e6142a04908434a8ef (diff) | |
| download | u-boot-09bfd962bdc97359b916bfbf18a17e2a85396d65.tar.gz | |
mpc85xx: pcie: Implement workaround for Erratum A007815
The read-only-write-enable bit is set by default and must be cleared
to prevent overwriting read-only registers. This should be done
immediately after resetting the PCI Express controller.
Reviewed-by: Hamish Martin <hamish.martin@alliedtelesis.co.nz>
Signed-off-by: Tony O'Brien <tony.obrien@alliedtelesis.co.nz>
[York S: Move SYS_FSL_ERRATUM_A007815 to Kconfig]
Reviewed-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/fsl_pci.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/fsl_pci.h b/arch/powerpc/include/asm/fsl_pci.h index 8bee8ca998..cad341e72c 100644 --- a/arch/powerpc/include/asm/fsl_pci.h +++ b/arch/powerpc/include/asm/fsl_pci.h @@ -79,7 +79,9 @@ typedef struct ccsr_pci { u32 pme_msg_dis; /* 0x024 - PCIE PME & message disable register */ u32 pme_msg_int_en; /* 0x028 - PCIE PME & message interrupt enable register */ u32 pm_command; /* 0x02c - PCIE PM Command register */ - char res4[3016]; /* (- #xbf8 #x30)3016 */ + char res3[2188]; /* (0x8bc - 0x30 = 2188) */ + u32 dbi_ro_wr_en; /* 0x8bc - DBI read only write enable reg */ + char res4[824]; /* (0xbf8 - 0x8c0 = 824) */ u32 block_rev1; /* 0xbf8 - PCIE Block Revision register 1 */ u32 block_rev2; /* 0xbfc - PCIE Block Revision register 2 */ |