diff options
Diffstat (limited to 'src/soc/qualcomm/sc7180/clock.c')
-rw-r--r-- | src/soc/qualcomm/sc7180/clock.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/src/soc/qualcomm/sc7180/clock.c b/src/soc/qualcomm/sc7180/clock.c index 9092a4e185..b447a54487 100644 --- a/src/soc/qualcomm/sc7180/clock.c +++ b/src/soc/qualcomm/sc7180/clock.c @@ -60,6 +60,61 @@ struct clock_config qspi_core_cfg[] = { } }; +struct clock_config qup_wrap_cfg[] = { + { + .hz = SRC_XO_HZ, /* 19.2KHz */ + .src = SRC_XO_19_2MHZ, + .div = DIV(1), + }, + { + .hz = 32 * MHz, + .src = SRC_GPLL0_EVEN_300MHZ, + .div = DIV(1), + .m = 8, + .n = 75, + .d_2 = 150, + }, + { + .hz = 48 * MHz, + .src = SRC_GPLL0_EVEN_300MHZ, + .div = DIV(1), + .m = 4, + .n = 25, + .d_2 = 50, + }, + { + .hz = 64 * MHz, + .src = SRC_GPLL0_EVEN_300MHZ, + .div = DIV(1), + .m = 16, + .n = 75, + .d_2 = 150, + }, + { + .hz = 96 * MHz, + .src = SRC_GPLL0_EVEN_300MHZ, + .div = DIV(1), + .m = 8, + .n = 25, + .d_2 = 50, + }, + { + .hz = 100 * MHz, + .src = SRC_GPLL0_EVEN_300MHZ, + .div = DIV(3), + }, + { + .hz = SRC_XO_HZ, /* 19.2KHz */ + .src = SRC_XO_19_2MHZ, + .div = DIV(1), + }, + { + .hz = SRC_XO_HZ, /* 19.2KHz */ + .src = SRC_XO_19_2MHZ, + .div = DIV(1), + }, +}; + static int clock_configure_gpll0(void) { setbits32(&gcc->gpll0.user_ctl_u, 1 << SCALE_FREQ_SHFT); @@ -173,6 +228,40 @@ int clock_reset_bcr(void *bcr_addr, bool reset) return 0; } +void clock_configure_dfsr(int qup) +{ + int idx; + int s = qup % QUP_WRAP1_S0; + uint32_t reg_val; + struct sc7180_qupv3_clock *qup_clk = qup < QUP_WRAP1_S0 ? + &gcc->qup_wrap0_s[s] : &gcc->qup_wrap1_s[s]; + + setbits32(&qup_clk->dfsr_clk.cmd_dfsr, BIT(CLK_CTL_CMD_DFSR_SHFT)); + + for (idx = 0; idx < ARRAY_SIZE(qup_wrap_cfg); idx++) { + reg_val = (qup_wrap_cfg[idx].src << CLK_CTL_CFG_SRC_SEL_SHFT) | + (qup_wrap_cfg[idx].div << CLK_CTL_CFG_SRC_DIV_SHFT); + + write32(&qup_clk->dfsr_clk.perf_dfsr[idx], reg_val); + + if (qup_wrap_cfg[idx].m == 0) + continue; + + setbits32(&qup_clk->dfsr_clk.cmd_dfsr, + RCG_MODE_DUAL_EDGE << CLK_CTL_CFG_MODE_SHFT); + + reg_val = qup_wrap_cfg[idx].m & CLK_CTL_RCG_MND_BMSK; + write32(&qup_clk->dfsr_clk.perf_m_dfsr[idx], reg_val); + + reg_val = ~(qup_wrap_cfg[idx].n - qup_wrap_cfg[idx].m) + & CLK_CTL_RCG_MND_BMSK; + write32(&qup_clk->dfsr_clk.perf_n_dfsr[idx], reg_val); + + reg_val = ~(qup_wrap_cfg[idx].d_2) & CLK_CTL_RCG_MND_BMSK; + write32(&qup_clk->dfsr_clk.perf_d_dfsr[idx], reg_val); + } +} + void clock_configure_qup(int qup, uint32_t hz) { int s = qup % QUP_WRAP1_S0; |