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-rw-r--r--arch/powerpc/cpu/mpc85xx/cmd_errata.c3
-rw-r--r--arch/powerpc/cpu/mpc85xx/cpu_init_early.c12
2 files changed, 15 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/cmd_errata.c b/arch/powerpc/cpu/mpc85xx/cmd_errata.c
index 446f7590a6..c2fb5b8628 100644
--- a/arch/powerpc/cpu/mpc85xx/cmd_errata.c
+++ b/arch/powerpc/cpu/mpc85xx/cmd_errata.c
@@ -90,6 +90,9 @@ static int do_errata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
#ifdef CONFIG_SYS_FSL_ERRATUM_IFC_A002769
puts("Work-around for Erratum IFC-A002769 enabled\n");
#endif
+#ifdef CONFIG_SYS_FSL_ERRATUM_P1010_A003549
+ puts("Work-around for Erratum P1010-A003549 enabled\n");
+#endif
return 0;
}
diff --git a/arch/powerpc/cpu/mpc85xx/cpu_init_early.c b/arch/powerpc/cpu/mpc85xx/cpu_init_early.c
index 359f03e4a4..c42efb13f8 100644
--- a/arch/powerpc/cpu/mpc85xx/cpu_init_early.c
+++ b/arch/powerpc/cpu/mpc85xx/cpu_init_early.c
@@ -30,6 +30,9 @@ void cpu_init_early_f(void)
{
u32 mas0, mas1, mas2, mas3, mas7;
int i;
+#ifdef CONFIG_SYS_FSL_ERRATUM_P1010_A003549
+ ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+#endif
/* Pointer is writable since we allocated a register for it */
gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
@@ -49,6 +52,15 @@ void cpu_init_early_f(void)
write_tlb(mas0, mas1, mas2, mas3, mas7);
+/*
+ * Work Around for IFC Erratum A-003549. This issue is P1010
+ * specific. LCLK(a free running clk signal) is muxed with IFC_CS3 on P1010 SOC
+ * Hence specifically selecting CS3.
+ */
+#ifdef CONFIG_SYS_FSL_ERRATUM_P1010_A003549
+ setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_LCLK_IFC_CS3);
+#endif
+
init_laws();
invalidate_tlb(1);
init_tlbs();