From: Ye Li ye.li@nxp.com
To support 1.866GTS LPDDR4x timing script, need to add 233Mhz freq to DDR PLL for second mission point at 933MTS. Otherwise DDR training will fail.
Reviewed-by: Peng Fan peng.fan@nxp.com Signed-off-by: Ye Li ye.li@nxp.com Signed-off-by: Peng Fan peng.fan@nxp.com --- arch/arm/mach-imx/imx9/clock.c | 1 + drivers/ddr/imx/phy/ddrphy_utils.c | 4 ++++ 2 files changed, 5 insertions(+)
diff --git a/arch/arm/mach-imx/imx9/clock.c b/arch/arm/mach-imx/imx9/clock.c index 76d19f1cba3..12685f970de 100644 --- a/arch/arm/mach-imx/imx9/clock.c +++ b/arch/arm/mach-imx/imx9/clock.c @@ -41,6 +41,7 @@ static struct imx_fracpll_rate_table imx9_fracpll_tbl[] = { FRAC_PLL_RATE(466000000U, 1, 155, 8, 1, 3), /* 466Mhz */ FRAC_PLL_RATE(400000000U, 1, 200, 12, 0, 1), /* 400Mhz */ FRAC_PLL_RATE(300000000U, 1, 150, 12, 0, 1), + FRAC_PLL_RATE(233000000U, 1, 174, 18, 3, 4), /* 233Mhz */ };
/* return in khz */ diff --git a/drivers/ddr/imx/phy/ddrphy_utils.c b/drivers/ddr/imx/phy/ddrphy_utils.c index cf5bdad7abe..14278f5ad8f 100644 --- a/drivers/ddr/imx/phy/ddrphy_utils.c +++ b/drivers/ddr/imx/phy/ddrphy_utils.c @@ -148,6 +148,10 @@ void ddrphy_init_set_dfi_clk(unsigned int drate) dram_pll_init(MHZ(266)); dram_disable_bypass(); break; + case 933: + dram_pll_init(MHZ(233)); + dram_disable_bypass(); + break; case 667: dram_pll_init(MHZ(167)); dram_disable_bypass();