diff options
Diffstat (limited to 'src/soc/mediatek/mt8183/dramc_init_setting.c')
| -rw-r--r-- | src/soc/mediatek/mt8183/dramc_init_setting.c | 44 |
1 files changed, 40 insertions, 4 deletions
diff --git a/src/soc/mediatek/mt8183/dramc_init_setting.c b/src/soc/mediatek/mt8183/dramc_init_setting.c index 32a8dd17a6dc..cef77a76fc3e 100644 --- a/src/soc/mediatek/mt8183/dramc_init_setting.c +++ b/src/soc/mediatek/mt8183/dramc_init_setting.c @@ -43,6 +43,40 @@ static void cke_fix_onoff(int option, u8 chn) (0x1 << 6) | (0x1 << 7), (on << 6) | (off << 7)); } +static void dvfs_settings(u8 freq_group) +{ + u8 dll_idle; + + switch (freq_group) { + case LP4X_DDR1600: + dll_idle = 0x18; + break; + case LP4X_DDR2400: + dll_idle = 0x10; + break; + case LP4X_DDR3200: + dll_idle = 0xc; + break; + case LP4X_DDR3600: + dll_idle = 0xa; + break; + default: + die("Invalid DDR frequency group %u\n", freq_group); + return; + } + + dll_idle = dll_idle << 1; + for (u8 chn = 0; chn < CHANNEL_MAX; chn++) { + setbits_le32(&ch[chn].ao.dvfsdll, 0x1 << 5); + setbits_le32(&ch[chn].phy.dvfs_emi_clk, 0x1 << 29); + clrsetbits_le32(&ch[0].ao.shuctrl2, 0x7f, dll_idle); + + setbits_le32(&ch[0].phy.misc_ctrl0, 0x3 << 19); + setbits_le32(&ch[chn].phy.dvfs_emi_clk, 0x1 << 24); + setbits_le32(&ch[chn].ao.dvfsdll, 0x1 << 7); + } +} + static void ddr_phy_pll_setting(u8 chn, u8 freq_group) { u8 cap_sel, mid_cap_sel; @@ -1268,6 +1302,8 @@ static void dramc_setting(const struct sdram_params *params, u8 freq_group) setbits_le32(&ch[0].ao.dramc_pd_ctrl, 0x1 << 0); clrsetbits_le32(&ch[0].ao.eyescan, (0x1 << 1) | (0xf << 16), (0x0 << 1) | (0x1 << 16)); setbits_le32(&ch[0].ao.stbcal1, (0x1 << 10) | (0x1 << 11)); + clrsetbits_le32(&ch[0].ao.test2_1, 0xfffffff << 4, 0x10000 << 4); + clrsetbits_le32(&ch[0].ao.test2_2, 0xfffffff << 4, 0x400 << 4); clrsetbits_le32(&ch[0].ao.test2_3, (0x1 << 7) | (0x7 << 8) | (0x1 << 28), (0x1 << 7) | (0x4 << 8) | (0x1 << 28)); @@ -1277,15 +1313,14 @@ static void dramc_setting(const struct sdram_params *params, u8 freq_group) udelay(1); clrsetbits_le32(&ch[0].ao.hw_mrr_fun, (0xf << 0) | (0xf << 4), (0x8 << 0) | (0x6 << 4)); + clrbits_le32(&ch[0].ao.dramctrl, 0x1 << 0); clrsetbits_le32(&ch[0].ao.perfctl0, (0x1 << 18) | (0x1 << 19), (0x0 << 18) | (0x1 << 19)); + setbits_le32(&ch[0].ao.spcmdctrl, 0x1 << 28); clrbits_le32(&ch[0].ao.rstmask, 0x1 << 28); setbits_le32(&ch[0].ao.rkcfg, 0x1 << 11); - setbits_le32(&ch[0].ao.spcmdctrl, 0x1 << 28); - setbits_le32(&ch[0].ao.eyescan, 0x1 << 2); - - clrbits_le32(&ch[0].ao.dramctrl, 0x1 << 0); setbits_le32(&ch[0].ao.mpc_option, 0x1 << 17); + setbits_le32(&ch[0].ao.eyescan, 0x1 << 2); setbits_le32(&ch[0].ao.shu[0].wodt, 0x1 << 29); setbits_le32(&ch[0].phy.shu[0].b[0].dq[7], 0x1 << 7); setbits_le32(&ch[0].phy.shu[0].b[1].dq[7], 0x1 << 7); @@ -1699,6 +1734,7 @@ void dramc_init(const struct sdram_params *params, u8 freq_group) dramc_setting(params, freq_group); dramc_duty_calibration(params, freq_group); + dvfs_settings(freq_group); dramc_mode_reg_init(freq_group); ddr_update_ac_timing(freq_group); |