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authorChris Packham <judge.packham@gmail.com>2018-10-04 20:03:53 +1300
committerYork Sun <york.sun@nxp.com>2018-10-29 13:13:05 -0700
commit4eaf7f525a0874a1eff0f5666004896cc5c89fa3 (patch)
tree551c1b5d786f0f8fc0182361ad98f591c6a71481 /arch/powerpc
parent454cf76184c65426b68033a23da086e73663f2fc (diff)
fsl/usb: Workaround for USB erratum-A005275
Workaround makes FS as default mode on all affected socs. Add support to check erratum-A005275 validity for an soc. This info is required to determine whether a given soc is affected by this erratum. Add quirk for this erratum "has_fsl_erratum_a005275" . This quirk is used to enable workaround for the errata Force FS mode as default by: - making EPS as FS - setting PFSC bit to disable HS chirping This workaround can be disabled by mentioning "no_erratum_a005275" in hwconfig string Signed-off-by: Chris Packham <judge.packham@gmail.com> Reviewed-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/cpu/mpc85xx/Kconfig8
-rw-r--r--arch/powerpc/cpu/mpc85xx/cmd_errata.c4
2 files changed, 12 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/Kconfig b/arch/powerpc/cpu/mpc85xx/Kconfig
index 7d139fffa2..309ca29460 100644
--- a/arch/powerpc/cpu/mpc85xx/Kconfig
+++ b/arch/powerpc/cpu/mpc85xx/Kconfig
@@ -659,6 +659,7 @@ config ARCH_P1010
select SYS_FSL_ERRATUM_A004477
select SYS_FSL_ERRATUM_A004508
select SYS_FSL_ERRATUM_A005125
+ select SYS_FSL_ERRATUM_A005275
select SYS_FSL_ERRATUM_A006261
select SYS_FSL_ERRATUM_A007075
select SYS_FSL_ERRATUM_ESDHC111
@@ -821,6 +822,7 @@ config ARCH_P2041
select FSL_LAW
select SYS_FSL_ERRATUM_A004510
select SYS_FSL_ERRATUM_A004849
+ select SYS_FSL_ERRATUM_A005275
select SYS_FSL_ERRATUM_A006261
select SYS_FSL_ERRATUM_CPU_A003999
select SYS_FSL_ERRATUM_DDR_A003
@@ -845,6 +847,7 @@ config ARCH_P3041
select SYS_FSL_DDR_VER_44
select SYS_FSL_ERRATUM_A004510
select SYS_FSL_ERRATUM_A004849
+ select SYS_FSL_ERRATUM_A005275
select SYS_FSL_ERRATUM_A005812
select SYS_FSL_ERRATUM_A006261
select SYS_FSL_ERRATUM_CPU_A003999
@@ -910,6 +913,7 @@ config ARCH_P5020
select FSL_LAW
select SYS_FSL_DDR_VER_44
select SYS_FSL_ERRATUM_A004510
+ select SYS_FSL_ERRATUM_A005275
select SYS_FSL_ERRATUM_A006261
select SYS_FSL_ERRATUM_DDR_A003
select SYS_FSL_ERRATUM_DDR_A003474
@@ -935,6 +939,7 @@ config ARCH_P5040
select SYS_FSL_DDR_VER_44
select SYS_FSL_ERRATUM_A004510
select SYS_FSL_ERRATUM_A004699
+ select SYS_FSL_ERRATUM_A005275
select SYS_FSL_ERRATUM_A005812
select SYS_FSL_ERRATUM_A006261
select SYS_FSL_ERRATUM_DDR_A003
@@ -1303,6 +1308,9 @@ config SYS_FSL_ERRATUM_A005812
config SYS_FSL_ERRATUM_A005871
bool
+config SYS_FSL_ERRATUM_A005275
+ bool
+
config SYS_FSL_ERRATUM_A006261
bool
diff --git a/arch/powerpc/cpu/mpc85xx/cmd_errata.c b/arch/powerpc/cpu/mpc85xx/cmd_errata.c
index eda2e7e63d..e455d8baf5 100644
--- a/arch/powerpc/cpu/mpc85xx/cmd_errata.c
+++ b/arch/powerpc/cpu/mpc85xx/cmd_errata.c
@@ -307,6 +307,10 @@ static int do_errata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
(SVR_REV(svr) <= CONFIG_SYS_FSL_A004447_SVR_REV))
puts("Work-around for Erratum I2C-A004447 enabled\n");
#endif
+#ifdef CONFIG_SYS_FSL_ERRATUM_A005275
+ if (has_erratum_a005275())
+ puts("Work-around for Erratum A005275 enabled\n");
+#endif
#ifdef CONFIG_SYS_FSL_ERRATUM_A006261
if (has_erratum_a006261())
puts("Work-around for Erratum A006261 enabled\n");