diff --git a/drivers/ram/k3-ddrss/k3-ddrss.c b/drivers/ram/k3-ddrss/k3-ddrss.c index 98defd965f..b0ae48272d 100644 --- a/drivers/ram/k3-ddrss/k3-ddrss.c +++ b/drivers/ram/k3-ddrss/k3-ddrss.c @@ -35,6 +35,7 @@ struct k3_ddrss_desc { struct power_domain ddrdata_pwrdmn; struct clk ddr_clk; struct clk osc_clk; + u32 ddr_freq0; u32 ddr_freq1; u32 ddr_freq2; u32 ddr_fhs_cnt; @@ -124,9 +125,7 @@ static void k3_lpddr4_freq_update(void) else if (req_type == 2) clk_set_rate(&ddrss->ddr_clk, ddrss->ddr_freq2); else if (req_type == 0) - /* Put DDR pll in bypass mode */ - clk_set_rate(&ddrss->ddr_clk, - clk_get_rate(&ddrss->osc_clk)); + clk_set_rate(&ddrss->ddr_clk, ddrss->ddr_freq0); else printf("%s: Invalid freq request type\n", __func__); @@ -175,8 +174,7 @@ static int k3_ddrss_init_freq(struct k3_ddrss_desc *ddrss) ret = clk_set_rate(&ddrss->ddr_clk, ddrss->ddr_freq1); break; case DENALI_CTL_0_DRAM_CLASS_LPDDR4: - /* Set to bypass frequency for LPDDR4*/ - ret = clk_set_rate(&ddrss->ddr_clk, clk_get_rate(&ddrss->osc_clk)); + ret = clk_set_rate(&ddrss->ddr_clk, ddrss->ddr_freq0); break; default: ret = -EINVAL; @@ -274,6 +272,14 @@ static int k3_ddrss_ofdata_to_priv(struct udevice *dev) if (ret) dev_err(dev, "clk get failed for osc clk %d\n", ret); + ret = dev_read_u32(dev, "ti,ddr-freq0", &ddrss->ddr_freq0); + if (ret) { + ddrss->ddr_freq0 = clk_get_rate(&ddrss->osc_clk); + dev_dbg(dev, + "ddr freq0 not populated, using bypass frequency.\n", + ret); + } + ret = dev_read_u32(dev, "ti,ddr-freq1", &ddrss->ddr_freq1); if (ret) dev_err(dev, "ddr freq1 not populated %d\n", ret);