diff options
Diffstat (limited to 'src/soc/nvidia/tegra210/clock.c')
| -rw-r--r-- | src/soc/nvidia/tegra210/clock.c | 36 |
1 files changed, 19 insertions, 17 deletions
diff --git a/src/soc/nvidia/tegra210/clock.c b/src/soc/nvidia/tegra210/clock.c index aa723403de..394c781bdc 100644 --- a/src/soc/nvidia/tegra210/clock.c +++ b/src/soc/nvidia/tegra210/clock.c @@ -328,19 +328,9 @@ static void init_utmip_pll(void) { int khz = clock_get_pll_input_khz(); - /* Shut off PLL crystal clock while we mess with it */ - clrbits_le32(CLK_RST_REG(utmip_pll_cfg2), UTMIP_CFG2_PHY_XTAL_CLOCKEN); - udelay(1); - - /* CFG0 */ - u32 div_n = div_round_up(960000, khz); - write32(CLK_RST_REG(utmip_pll_cfg0), /* 960 MHz VCO */ - 1 << UTMIP_CFG0_PLL_MDIV_SHIFT | - div_n << UTMIP_CFG0_PLL_NDIV_SHIFT); - /* CFG1 */ - u32 pllu_enb_ct = div_round_up(khz, 8000); /* pllu_enb_ct / 8 (1us) */ - u32 phy_stb_ct = div_round_up(khz, 102); /* phy_stb_ct / 256(2.5ms) */ + u32 pllu_enb_ct = 0; + u32 phy_stb_ct = div_round_up(khz, 300); /* phy_stb_ct = 128 */ write32(CLK_RST_REG(utmip_pll_cfg1), pllu_enb_ct << UTMIP_CFG1_PLLU_ENABLE_DLY_COUNT_SHIFT | UTMIP_CFG1_FORCE_PLLU_POWERDOWN_ENABLE | @@ -350,16 +340,28 @@ static void init_utmip_pll(void) phy_stb_ct << UTMIP_CFG1_XTAL_FREQ_COUNT_SHIFT); /* CFG2 */ - u32 pllu_stb_ct = div_round_up(khz, 256); /* pllu_stb_ct / 256 (1ms) */ - u32 phy_act_ct = div_round_up(khz, 3200); /* phy_act_ct / 16 (5us) */ + u32 pllu_stb_ct = 0; + u32 phy_act_ct = div_round_up(khz, 6400); /* phy_act_ct = 6 */ write32(CLK_RST_REG(utmip_pll_cfg2), phy_act_ct << UTMIP_CFG2_PLL_ACTIVE_DLY_COUNT_SHIFT | pllu_stb_ct << UTMIP_CFG2_PLLU_STABLE_COUNT_SHIFT | + UTMIP_CFG2_FORCE_PD_SAMP_D_POWERDOWN_DISABLE | UTMIP_CFG2_FORCE_PD_SAMP_C_POWERDOWN_DISABLE | UTMIP_CFG2_FORCE_PD_SAMP_B_POWERDOWN_DISABLE | - UTMIP_CFG2_FORCE_PD_SAMP_A_POWERDOWN_DISABLE); - - setbits_le32(CLK_RST_REG(utmip_pll_cfg2), UTMIP_CFG2_PHY_XTAL_CLOCKEN); + UTMIP_CFG2_FORCE_PD_SAMP_A_POWERDOWN_DISABLE | + UTMIP_CFG2_FORCE_PD_SAMP_D_POWERUP_ENABLE | + UTMIP_CFG2_FORCE_PD_SAMP_C_POWERUP_ENABLE | + UTMIP_CFG2_FORCE_PD_SAMP_B_POWERUP_ENABLE | + UTMIP_CFG2_FORCE_PD_SAMP_A_POWERUP_ENABLE); + + printk(BIOS_DEBUG, "%s: UTMIPLL_HW_PWRDN_CFG0:0x%08x\n", + __func__, read32(CLK_RST_REG(utmipll_hw_pwrdn_cfg0))); + printk(BIOS_DEBUG, "%s: UTMIP_PLL_CFG0:0x%08x\n", + __func__, read32(CLK_RST_REG(utmip_pll_cfg0))); + printk(BIOS_DEBUG, "%s: UTMIP_PLL_CFG1:0x%08x\n", + __func__, read32(CLK_RST_REG(utmip_pll_cfg1))); + printk(BIOS_DEBUG, "%s: UTMIP_PLL_CFG2:0x%08x\n", + __func__, read32(CLK_RST_REG(utmip_pll_cfg2))); } /* Graphics just has to be different. There's a few more bits we |