[U-Boot] [PATCH] ddr: fsl: Impl. Erratum A008109

[Joakim Tjernlund]

Impl. erratum as descibed in errata doc.
Enable A008109 for T1040 and T1024

Signed-off-by: Joakim Tjernlund <joakim.tjernlund at infinera.com>
---
 arch/powerpc/cpu/mpc85xx/Kconfig | 2 ++
 drivers/ddr/fsl/Kconfig          | 3 +++
 drivers/ddr/fsl/ctrl_regs.c      | 6 ++++++
 3 files changed, 11 insertions(+)

diff --git a/arch/powerpc/cpu/mpc85xx/Kconfig b/arch/powerpc/cpu/mpc85xx/Kconfig
index 8cc82f80b4..6caf5c8389 100644
--- a/arch/powerpc/cpu/mpc85xx/Kconfig
+++ b/arch/powerpc/cpu/mpc85xx/Kconfig
@@ -1038,6 +1038,7 @@ config ARCH_T1040
 	select SYS_FSL_DDR_VER_50
 	select SYS_FSL_ERRATUM_A008044
 	select SYS_FSL_ERRATUM_A008378
+	select SYS_FSL_ERRATUM_A008109
 	select SYS_FSL_ERRATUM_A009663
 	select SYS_FSL_ERRATUM_A009942
 	select SYS_FSL_ERRATUM_ESDHC111
@@ -1061,6 +1062,7 @@ config ARCH_T1042
 	select SYS_FSL_DDR_VER_50
 	select SYS_FSL_ERRATUM_A008044
 	select SYS_FSL_ERRATUM_A008378
+	select SYS_FSL_ERRATUM_A008109
 	select SYS_FSL_ERRATUM_A009663
 	select SYS_FSL_ERRATUM_A009942
 	select SYS_FSL_ERRATUM_ESDHC111
diff --git a/drivers/ddr/fsl/Kconfig b/drivers/ddr/fsl/Kconfig
index 1b73df82de..f75d97b15c 100644
--- a/drivers/ddr/fsl/Kconfig
+++ b/drivers/ddr/fsl/Kconfig
@@ -151,6 +151,9 @@ endmenu
 config SYS_FSL_ERRATUM_A008378
 	bool
 
+config SYS_FSL_ERRATUM_A008109
+	bool
+
 config SYS_FSL_ERRATUM_A008511
 	bool
 
diff --git a/drivers/ddr/fsl/ctrl_regs.c b/drivers/ddr/fsl/ctrl_regs.c
index 98ccbb70de..d467160d0c 100644
--- a/drivers/ddr/fsl/ctrl_regs.c
+++ b/drivers/ddr/fsl/ctrl_regs.c
@@ -2626,6 +2626,12 @@ compute_fsl_memctl_config_regs(const unsigned int ctrl_num,
 	}
 #endif
 
+#ifdef CONFIG_SYS_FSL_ERRATUM_A008109
+	ddr->ddr_sdram_cfg_2 = ddr_in32(&ddr->ddr_sdram_cfg_2) | 0x800; /* DDR_SLOW */
+	ddr->debug[18] = ddr_in32(&ddrc->debug[18]) | 0x2;
+	ddr->debug[28] = 0x30000000;
+#endif
+
 #ifdef CONFIG_SYS_FSL_ERRATUM_A009942
 	ddr_freq = get_ddr_freq(ctrl_num) / 1000000;
 	ddr->debug[28] |= ddr_in32(&ddrc->debug[28]);
-- 
2.23.0