diff options
| author | Moritz Fischer <moritzf@google.com> | 2021-02-18 14:34:41 -0800 |
|---|---|---|
| committer | ron minnich <rminnich@gmail.com> | 2021-02-19 19:09:02 +0000 |
| commit | f6e3254a9b8128c92376b66c66dfafb4b21234e3 (patch) | |
| tree | ab64f3c99e6271ec464307c6a77324924b3e16be | |
| parent | c73102d0f51c7e83c4a1723acf08bf92ecaff603 (diff) | |
soc/rockchip/rk3399/clock: Add rkclk_ddr_reset() function
This adds the rkclk_ddr_reset() function equivalent for the RK3399.
Signed-off-by: Moritz Fischer <moritzf@google.com>
Change-Id: If1da85064d75bdf49b7555d09257409443c25e8a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50889
Reviewed-by: ron minnich <rminnich@gmail.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
| -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 | \ |