diff options
| author | Zhao Qiang <B45475@freescale.com> | 2014-10-30 14:07:39 +0800 |
|---|---|---|
| committer | York Sun <yorksun@freescale.com> | 2014-12-05 08:06:09 -0800 |
| commit | e7f533cd5972d762e0544a38c74fce495a9d9d2f (patch) | |
| tree | b77b1e2785c265243854ad599b8464e307f18fa2 /arch/powerpc | |
| parent | 31530e0b8a411398efde40edbec12a7cf262926e (diff) | |
powerpc/mpc85xx: modify erratum A007186
T2080 v1.0 has this errata while v1.1 has fixed
this errata by hardware, add a new function has_errata_a007186
to check the SVR_SOC_VER, SVR_MAJ and SVR_MIN first,
if the sil has errata a007186, then run the errata code,
if not, doesn't run the code.
Signed-off-by: Zhao Qiang <B45475@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/cmd_errata.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/fsl_corenet2_serdes.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/fsl_errata.h | 24 |
3 files changed, 28 insertions, 2 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/cmd_errata.c b/arch/powerpc/cpu/mpc85xx/cmd_errata.c index f9085a63e1..ec75383dea 100644 --- a/arch/powerpc/cpu/mpc85xx/cmd_errata.c +++ b/arch/powerpc/cpu/mpc85xx/cmd_errata.c @@ -271,7 +271,8 @@ static int do_errata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) puts("Work-around for Erratum USB14 enabled\n"); #endif #ifdef CONFIG_SYS_FSL_ERRATUM_A007186 - puts("Work-around for Erratum A007186 enabled\n"); + if (has_erratum_a007186()) + puts("Work-around for Erratum A007186 enabled\n"); #endif #ifdef CONFIG_SYS_FSL_ERRATUM_A006593 puts("Work-around for Erratum A006593 enabled\n"); diff --git a/arch/powerpc/cpu/mpc85xx/fsl_corenet2_serdes.c b/arch/powerpc/cpu/mpc85xx/fsl_corenet2_serdes.c index 8edf5bb20e..5cfae47069 100644 --- a/arch/powerpc/cpu/mpc85xx/fsl_corenet2_serdes.c +++ b/arch/powerpc/cpu/mpc85xx/fsl_corenet2_serdes.c @@ -11,6 +11,7 @@ #include <asm/processor.h> #include <asm/fsl_law.h> #include <asm/errno.h> +#include <asm/fsl_errata.h> #include "fsl_corenet2_serdes.h" #ifdef CONFIG_SYS_FSL_SRDS_1 @@ -203,7 +204,7 @@ u64 serdes_init(u32 sd, u32 sd_addr, u32 sd_prctl_mask, u32 sd_prctl_shift) sel = (sfp_spfr0 >> FUSE_VAL_SHIFT) & FUSE_VAL_MASK; - if (sel == 0x01 || sel == 0x02) { + if (has_erratum_a007186() && (sel == 0x01 || sel == 0x02)) { for (pll_num = 0; pll_num < SRDS_MAX_BANK; pll_num++) { pll_status = in_be32(&srds_regs->bank[pll_num].pllcr0); debug("A007186: pll_num=%x pllcr0=%x\n", diff --git a/arch/powerpc/include/asm/fsl_errata.h b/arch/powerpc/include/asm/fsl_errata.h index b9e2fb00fa..61c6d70c4b 100644 --- a/arch/powerpc/include/asm/fsl_errata.h +++ b/arch/powerpc/include/asm/fsl_errata.h @@ -27,3 +27,27 @@ static inline bool has_erratum_a006379(void) } #endif #endif + +#ifdef CONFIG_SYS_FSL_ERRATUM_A007186 +static inline bool has_erratum_a007186(void) +{ + u32 svr = get_svr(); + u32 soc = SVR_SOC_VER(svr); + + switch (soc) { + case SVR_T4240: + return IS_SVR_REV(svr, 2, 0); + case SVR_T4160: + return IS_SVR_REV(svr, 2, 0); + case SVR_B4860: + return IS_SVR_REV(svr, 2, 0); + case SVR_B4420: + return IS_SVR_REV(svr, 2, 0); + case SVR_T2081: + case SVR_T2080: + return IS_SVR_REV(svr, 1, 0); + } + + return false; +} +#endif |