diff options
Diffstat (limited to 'src/soc/rockchip/rk3399/romstage.c')
| -rw-r--r-- | src/soc/rockchip/rk3399/romstage.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/soc/rockchip/rk3399/romstage.c b/src/soc/rockchip/rk3399/romstage.c index ae0264e828..3722813d6d 100644 --- a/src/soc/rockchip/rk3399/romstage.c +++ b/src/soc/rockchip/rk3399/romstage.c @@ -31,6 +31,7 @@ #include <soc/tsadc.h> #include <soc/sdram.h> #include <symbols.h> +#include <soc/usb.h> static const uint64_t dram_size = (uint64_t)min((uint64_t)CONFIG_DRAM_SIZE_MB * MiB, MAX_DRAM_ADDRESS); @@ -72,6 +73,16 @@ static void init_dvs_outputs(void) pwm_init(i, 3333, 1904); } +static void prepare_usb(void) +{ + /* + * Do dwc3 core soft reset and phy reset. Kick these resets + * off early so they get at least 100ms to settle. + */ + reset_usb_drd0_dwc3(); + reset_usb_drd1_dwc3(); +} + void main(void) { console_init(); @@ -81,6 +92,8 @@ void main(void) /* Init DVS to conservative values. */ init_dvs_outputs(); + prepare_usb(); + sdram_init(get_sdram_config()); mmu_config_range((void *)0, (uintptr_t)dram_size, CACHED_MEM); |