From 73af094c8444ea6affc607d3ca7704419b3fbfd8 Mon Sep 17 00:00:00 2001 From: Joakim Tjernlund <joakim.tjernlund@infinera.com> Date: Wed, 20 Nov 2019 17:07:34 +0100 Subject: [PATCH] ddr: fsl: Impl. Erratum A008109 Impl. erratum as descibed in errata doc. Enable A008109 for T1040 and T1024 Signed-off-by: Joakim Tjernlund <joakim.tjernlund@infinera.com> Reviewed-by: Priyanka Jain <priyanka.jain@nxp.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 6fc6ea8fef..5bd69d51cb 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 2d3fb1953b..0e98ba4b4a 100644 --- a/drivers/ddr/fsl/ctrl_regs.c +++ b/drivers/ddr/fsl/ctrl_regs.c @@ -2628,6 +2628,12 @@ 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]); -- 2.39.5