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authorTony O'Brien <tony.obrien@alliedtelesis.co.nz>2016-12-01 20:22:34 (GMT)
committerYork Sun <york.sun@nxp.com>2017-01-24 21:28:31 (GMT)
commit09bfd962bdc97359b916bfbf18a17e2a85396d65 (patch)
treef10f742b21bd31dbd0d35b97064913d5630091db /arch/powerpc/include
parent06ad970b53a3d6aa122685e6142a04908434a8ef (diff)
downloadu-boot-09bfd962bdc97359b916bfbf18a17e2a85396d65.tar.xz
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.h4
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 8bee8ca..cad341e 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 */