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These would help to reconfigure sdram capabilities during lpddr4 setup related configs. Signed-off-by: Jagan Teki --- arch/arm/include/asm/arch-rockchip/sdram_rk3399.h | 12 +++++++++++- drivers/ram/rockchip/sdram_rk3399.c | 2 +- 2 files changed, 12 insertions(+), 2 deletions(-) diff --git a/arch/arm/include/asm/arch-rockchip/sdram_rk3399.h b/arch/arm/include/asm/arch-rockchip/sdram_rk3399.h index c6a260bad8..924eeb3bac 100644 --- a/arch/arm/include/asm/arch-rockchip/sdram_rk3399.h +++ b/arch/arm/include/asm/arch-rockchip/sdram_rk3399.h @@ -26,6 +26,16 @@ struct rk3399_ddr_pi_regs { u32 denali_pi[200]; }; +union noc_ddrtimingc0 { + u32 d32; + struct { + unsigned burstpenalty : 4; + unsigned reserved0 : 4; + unsigned wrtomwr : 6; + unsigned reserved1 : 18; + } b; +}; + struct rk3399_msch_regs { u32 coreid; u32 revisionid; @@ -44,7 +54,7 @@ struct rk3399_msch_regs { struct rk3399_msch_timings { u32 ddrtiminga0; u32 ddrtimingb0; - u32 ddrtimingc0; + union noc_ddrtimingc0 ddrtimingc0; u32 devtodev0; u32 ddrmode; u32 agingx0; diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c index 5b87524b7c..f9fec14758 100644 --- a/drivers/ram/rockchip/sdram_rk3399.c +++ b/drivers/ram/rockchip/sdram_rk3399.c @@ -1043,7 +1043,7 @@ static void dram_all_config(struct dram_info *dram, &ddr_msch_regs->ddrtiminga0); writel(noc_timing->ddrtimingb0, &ddr_msch_regs->ddrtimingb0); - writel(noc_timing->ddrtimingc0, + writel(noc_timing->ddrtimingc0.d32, &ddr_msch_regs->ddrtimingc0); writel(noc_timing->devtodev0, &ddr_msch_regs->devtodev0);