From e7f533cd5972d762e0544a38c74fce495a9d9d2f Mon Sep 17 00:00:00 2001 From: Zhao Qiang Date: Thu, 30 Oct 2014 14:07:39 +0800 Subject: 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 Reviewed-by: York Sun --- arch/powerpc/include/asm/fsl_errata.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'arch/powerpc/include/asm/fsl_errata.h') 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 -- cgit