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| author | Nikhil Badola <nikhil.badola@freescale.com> | 2014-11-21 17:25:21 +0530 |
|---|---|---|
| committer | York Sun <yorksun@freescale.com> | 2015-05-04 09:23:50 -0700 |
| commit | 0dc78ff857337a82d39d7e4390e317ffbc93097f (patch) | |
| tree | d584241cdf4866dadf0659d1fdb073e82b00279e /arch | |
| parent | 7fc63cca611b9d2b5f170f9f37e6f99ddf5992a9 (diff) | |
| download | talos-obmc-uboot-0dc78ff857337a82d39d7e4390e317ffbc93097f.tar.gz talos-obmc-uboot-0dc78ff857337a82d39d7e4390e317ffbc93097f.zip | |
drivers: usb: fsl: Workaround for Erratum A004477
Add a delay of 1 microsecond before issuing soft reset to the
controller to let ongoing ULPI transaction complete.
This prevents corruption of ULPI Function Control Register which
eventually prevents phy clock from entering to low power mode
Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/cmd_errata.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/config_mpc85xx.h | 6 |
2 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/cmd_errata.c b/arch/powerpc/cpu/mpc85xx/cmd_errata.c index 2d5ddf012b..b368562a24 100644 --- a/arch/powerpc/cpu/mpc85xx/cmd_errata.c +++ b/arch/powerpc/cpu/mpc85xx/cmd_errata.c @@ -299,6 +299,10 @@ static int do_errata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) if (has_erratum_a007798()) puts("Work-around for Erratum A007798 enabled\n"); #endif +#ifdef CONFIG_SYS_FSL_ERRATUM_A004477 + if (has_erratum_a004477()) + puts("Work-around for Erratum A004477 enabled\n"); +#endif #ifdef CONFIG_SYS_FSL_ERRATUM_I2C_A004447 if ((SVR_SOC_VER(svr) == SVR_8548 && IS_SVR_REV(svr, 3, 1)) || (SVR_REV(svr) <= CONFIG_SYS_FSL_A004447_SVR_REV)) diff --git a/arch/powerpc/include/asm/config_mpc85xx.h b/arch/powerpc/include/asm/config_mpc85xx.h index 69e05923f6..fecfe1b03c 100644 --- a/arch/powerpc/include/asm/config_mpc85xx.h +++ b/arch/powerpc/include/asm/config_mpc85xx.h @@ -163,6 +163,7 @@ #define CONFIG_SYS_FSL_ERRATUM_A004508 #define CONFIG_SYS_FSL_ERRATUM_A007075 #define CONFIG_SYS_FSL_ERRATUM_A006261 +#define CONFIG_SYS_FSL_ERRATUM_A004477 #define CONFIG_SYS_FSL_A004447_SVR_REV 0x10 #define CONFIG_ESDHC_HC_BLK_ADDR @@ -294,6 +295,7 @@ #define CONFIG_FSL_SATA_ERRATUM_A001 #define CONFIG_SYS_FSL_ERRATUM_A004508 #define CONFIG_SYS_FSL_ERRATUM_A005125 +#define CONFIG_SYS_FSL_ERRATUM_A004477 #elif defined(CONFIG_P1023) #define CONFIG_MAX_CPUS 2 @@ -374,6 +376,7 @@ #define CONFIG_SYS_FSL_SRIO_MSG_UNIT_NUM 2 #define CONFIG_SYS_FSL_ERRATUM_A004508 #define CONFIG_SYS_FSL_ERRATUM_A005125 +#define CONFIG_SYS_FSL_ERRATUM_A004477 #define CONFIG_USB_MAX_CONTROLLER_COUNT 1 #elif defined(CONFIG_PPC_P2041) /* also supports P2040 */ @@ -591,6 +594,7 @@ #define CONFIG_NAND_FSL_IFC #define CONFIG_SYS_FSL_ERRATUM_ESDHC111 #define CONFIG_SYS_FSL_ERRATUM_A005125 +#define CONFIG_SYS_FSL_ERRATUM_A004477 #define CONFIG_ESDHC_HC_BLK_ADDR #elif defined(CONFIG_BSC9132) @@ -615,6 +619,7 @@ #define CONFIG_SYS_FSL_PCIE_COMPAT "fsl,qoriq-pcie-v2.2" #define CONFIG_SYS_FSL_ERRATUM_A005125 #define CONFIG_SYS_FSL_ERRATUM_A005434 +#define CONFIG_SYS_FSL_ERRATUM_A004477 #define CONFIG_SYS_FSL_ERRATUM_I2C_A004447 #define CONFIG_SYS_FSL_A004447_SVR_REV 0x11 #define CONFIG_ESDHC_HC_BLK_ADDR @@ -723,6 +728,7 @@ #define CONFIG_SYS_FSL_ERRATUM_A006475 #define CONFIG_SYS_FSL_ERRATUM_A006384 #define CONFIG_SYS_FSL_ERRATUM_A007212 +#define CONFIG_SYS_FSL_ERRATUM_A004477 #define CONFIG_SYS_CCSRBAR_DEFAULT 0xfe000000 #define CONFIG_SYS_FSL_SFP_VER_3_0 |
