diff options
Diffstat (limited to 'src/soc/rockchip')
| -rw-r--r-- | src/soc/rockchip/rk3399/clock.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/soc/rockchip/rk3399/clock.c b/src/soc/rockchip/rk3399/clock.c index 0ba07d6137..182e398e64 100644 --- a/src/soc/rockchip/rk3399/clock.c +++ b/src/soc/rockchip/rk3399/clock.c @@ -650,6 +650,16 @@ void rkclk_configure_ddr(unsigned int hz) rkclk_set_dpllssc(&dpll_cfg); } +#define CRU_SFTRST_DDR_CTRL(ch, n) ((1 << 16 | (n)) << (8 + (ch) * 4)) +#define CRU_SFTRST_DDR_PHY(ch, n) ((1 << 16 | (n)) << (9 + (ch) * 4)) + +void rkclk_ddr_reset(u32 channel, u32 ctl, u32 phy) +{ + write32(&cru_ptr->softrst_con[4], + CRU_SFTRST_DDR_CTRL(channel, ctl) | + CRU_SFTRST_DDR_PHY(channel, phy)); +} + #define SPI_CLK_REG_VALUE(bus, clk_div) \ RK_CLRSETBITS(CLK_SPI_PLL_SEL_MASK << \ CLK_SPI ##bus## _PLL_SEL_SHIFT | \ |