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powerpc/mpc8548: Add workaround for erratum NMG_eTSEC129

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Erratum NMG_eTSEC129 (eTSEC86 in MPC8548 document) applies to some early
verion silicons. This workaround detects if the eTSEC Rx logic is properly
initialized, and reinitialize the eTSEC Rx logic.

Signed-off-by: Gong Chen <g.chen@freescale.com>
Signed-off-by: Zhao Chenhui <chenhui.zhao@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
chenhui zhao
2011-10-03 08:38:50 -05:00
committed by Kumar Gala
parent afc52db2f7
commit aada81de70
3 changed files with 98 additions and 0 deletions
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4
arch/powerpc/cpu/mpc85xx/cmd_errata.c
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@@ -102,6 +102,10 @@ static int do_errata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
#endif
#ifdef CONFIG_SYS_FSL_ERRATUM_NMG_LBC103
puts("Work-around for Erratum NMG_LBC103 enabled\n");
#endif
#ifdef CONFIG_SYS_FSL_ERRATUM_NMG_ETSEC129
if ((SVR_MAJ(svr) == 1) || IS_SVR_REV(svr, 2, 0))
puts("Work-around for Erratum NMG ETSEC129 enabled\n");
#endif
return 0;
}

1
arch/powerpc/include/asm/config_mpc85xx.h
View File

@@ -64,6 +64,7 @@
#define CONFIG_SYS_CCSRBAR_DEFAULT 0xff700000
#define CONFIG_SYS_FSL_ERRATUM_NMG_DDR120
#define CONFIG_SYS_FSL_ERRATUM_NMG_LBC103
#define CONFIG_SYS_FSL_ERRATUM_NMG_ETSEC129
#elif defined(CONFIG_MPC8555)
#define CONFIG_MAX_CPUS 1