diff options
| author | Oliver Chen <Oliver.Chen@nxp.com> | 2020-04-21 14:48:09 +0800 |
|---|---|---|
| committer | Peng Fan <peng.fan@nxp.com> | 2020-07-14 15:23:46 +0800 |
| commit | b335966958a93e49439bf248adadce89e7e2bee3 (patch) | |
| tree | d4ee266783df9801705bb751710514be758da202 /arch | |
| parent | 3f63d27c177a84dd97f77fb843ff4e4c6d7d45eb (diff) | |
drivers: ddr: imx Workaround for i.MX8M DDRPHY rank to rank issue
Add logic to automatically update umctl2's setting based
on phy training CDD value for rank to rank space issue
Acked-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Oliver Chen <Oliver.Chen@nxp.com>
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/include/asm/arch-imx8m/ddr.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-imx8m/ddr.h b/arch/arm/include/asm/arch-imx8m/ddr.h index 04c9c962cf..0f1e832c03 100644 --- a/arch/arm/include/asm/arch-imx8m/ddr.h +++ b/arch/arm/include/asm/arch-imx8m/ddr.h @@ -721,6 +721,9 @@ int wait_ddrphy_training_complete(void); void ddrphy_init_set_dfi_clk(unsigned int drate); void ddrphy_init_read_msg_block(enum fw_type type); +void update_umctl2_rank_space_setting(unsigned int pstat_num); +void get_trained_CDD(unsigned int fsp); + static inline void reg32_write(unsigned long addr, u32 val) { writel(val, addr); |