diff options
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/cmd_errata.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/config_mpc85xx.h | 3 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/fsl_errata.h | 16 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-fsl.c | 10 |
4 files changed, 33 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/cmd_errata.c b/arch/powerpc/cpu/mpc85xx/cmd_errata.c index 8b79c05b1f..ee063fd8e9 100644 --- a/arch/powerpc/cpu/mpc85xx/cmd_errata.c +++ b/arch/powerpc/cpu/mpc85xx/cmd_errata.c @@ -268,6 +268,10 @@ static int do_errata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) #ifdef CONFIG_SYS_FSL_ERRATUM_A005125 puts("Work-around for Erratum A005125 enabled\n"); #endif +#ifdef CONFIG_SYS_FSL_ERRATUM_A007075 + if (has_erratum_a007075()) + puts("Work-around for Erratum A007075 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 fe68e0e280..502e7ccf25 100644 --- a/arch/powerpc/include/asm/config_mpc85xx.h +++ b/arch/powerpc/include/asm/config_mpc85xx.h @@ -154,6 +154,7 @@ #define CONFIG_SYS_FSL_ERRATUM_IFC_A003399 #define CONFIG_SYS_FSL_ERRATUM_A005125 #define CONFIG_SYS_FSL_ERRATUM_I2C_A004447 +#define CONFIG_SYS_FSL_ERRATUM_A007075 #define CONFIG_SYS_FSL_ERRATUM_A006261 #define CONFIG_SYS_FSL_A004447_SVR_REV 0x10 #define CONFIG_ESDHC_HC_BLK_ADDR @@ -478,6 +479,7 @@ #define CONFIG_SYS_P4080_ERRATUM_PCIE_A003 #define CONFIG_SYS_FSL_ERRATUM_A005812 #define CONFIG_SYS_FSL_ERRATUM_I2C_A004447 +#define CONFIG_SYS_FSL_ERRATUM_A007075 #define CONFIG_SYS_FSL_A004447_SVR_REV 0x20 #elif defined(CONFIG_PPC_P5020) /* also supports P5010 */ @@ -674,6 +676,7 @@ #define CONFIG_SYS_FSL_ERRATUM_A005871 #define CONFIG_SYS_FSL_ERRATUM_A006379 #define CONFIG_SYS_FSL_ERRATUM_A006593 +#define CONFIG_SYS_FSL_ERRATUM_A007075 #define CONFIG_SYS_FSL_ERRATUM_A006475 #define CONFIG_SYS_FSL_ERRATUM_A006384 #define CONFIG_SYS_CCSRBAR_DEFAULT 0xfe000000 diff --git a/arch/powerpc/include/asm/fsl_errata.h b/arch/powerpc/include/asm/fsl_errata.h index c9982cc8ec..4eba85cc34 100644 --- a/arch/powerpc/include/asm/fsl_errata.h +++ b/arch/powerpc/include/asm/fsl_errata.h @@ -60,4 +60,20 @@ static inline bool has_erratum_a006261(void) } #endif +static inline bool has_erratum_a007075(void) +{ + u32 svr = get_svr(); + u32 soc = SVR_SOC_VER(svr); + + switch (soc) { + case SVR_B4860: + case SVR_B4420: + return IS_SVR_REV(svr, 1, 0) || IS_SVR_REV(svr, 2, 0); + case SVR_P1010: + return IS_SVR_REV(svr, 1, 0); + case SVR_P4080: + return IS_SVR_REV(svr, 2, 0) || IS_SVR_REV(svr, 3, 0); + } + return false; +} #endif diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c index 3fd9e13af8..1d012db92e 100644 --- a/drivers/usb/host/ehci-fsl.c +++ b/drivers/usb/host/ehci-fsl.c @@ -14,6 +14,7 @@ #include <asm/io.h> #include <usb/ehci-fsl.h> #include <hwconfig.h> +#include <asm/fsl_errata.h> #include "ehci.h" @@ -47,6 +48,15 @@ int ehci_hcd_init(int index, enum usb_init_type init, usb_phy[0] = '\0'; #endif + if (has_erratum_a007075()) { + /* + * A 5ms delay is needed after applying soft-reset to the + * controller to let external ULPI phy come out of reset. + * This delay needs to be added before re-initializing + * the controller after soft-resetting completes + */ + mdelay(5); + } memset(current_usb_controller, '\0', 5); snprintf(current_usb_controller, 4, "usb%d", index+1); |
