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/cpu | |
| parent | 06ad970b53a3d6aa122685e6142a04908434a8ef (diff) | |
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/cpu')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/Kconfig | 5 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/cmd_errata.c | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/Kconfig b/arch/powerpc/cpu/mpc85xx/Kconfig index b0f34b6f15..615d7e13a9 100644 --- a/arch/powerpc/cpu/mpc85xx/Kconfig +++ b/arch/powerpc/cpu/mpc85xx/Kconfig @@ -831,6 +831,7 @@ config ARCH_T2080 select SYS_FSL_ERRATUM_A006593 select SYS_FSL_ERRATUM_A007186 select SYS_FSL_ERRATUM_A007212 + select SYS_FSL_ERRATUM_A007815 select SYS_FSL_ERRATUM_A007907 select SYS_FSL_ERRATUM_A009942 select SYS_FSL_ERRATUM_ESDHC111 @@ -893,6 +894,7 @@ config ARCH_T4240 select SYS_FSL_ERRATUM_A006593 select SYS_FSL_ERRATUM_A007186 select SYS_FSL_ERRATUM_A007798 + select SYS_FSL_ERRATUM_A007815 select SYS_FSL_ERRATUM_A007907 select SYS_FSL_ERRATUM_A009942 select SYS_FSL_HAS_DDR3 @@ -1081,6 +1083,9 @@ config SYS_FSL_ERRATUM_A007186 config SYS_FSL_ERRATUM_A007212 bool +config SYS_FSL_ERRATUM_A007815 + bool + config SYS_FSL_ERRATUM_A007798 bool diff --git a/arch/powerpc/cpu/mpc85xx/cmd_errata.c b/arch/powerpc/cpu/mpc85xx/cmd_errata.c index 822ae7251b..b8be59659e 100644 --- a/arch/powerpc/cpu/mpc85xx/cmd_errata.c +++ b/arch/powerpc/cpu/mpc85xx/cmd_errata.c @@ -333,6 +333,10 @@ static int do_errata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) #ifdef CONFIG_SYS_FSL_ERRATUM_A007907 puts("Work-around for Erratum A007907 enabled\n"); #endif +#ifdef CONFIG_SYS_FSL_ERRATUM_A007815 + puts("Work-around for Erratum A007815 enabled\n"); +#endif + return 0; } |