diff options
Diffstat (limited to 'arch/arm/cpu/armv8/zynqmp/spl.c')
| -rw-r--r-- | arch/arm/cpu/armv8/zynqmp/spl.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/zynqmp/spl.c b/arch/arm/cpu/armv8/zynqmp/spl.c index 3ad5de1..552f577 100644 --- a/arch/arm/cpu/armv8/zynqmp/spl.c +++ b/arch/arm/cpu/armv8/zynqmp/spl.c @@ -35,10 +35,33 @@ void board_init_f(ulong dummy) board_init_r(NULL, 0); } +static void ps_mode_reset(ulong mode) +{ + writel(mode << ZYNQMP_CRL_APB_BOOT_PIN_CTRL_OUT_VAL_SHIFT | + mode << ZYNQMP_CRL_APB_BOOT_PIN_CTRL_OUT_EN_SHIFT, + &crlapb_base->boot_pin_ctrl); + udelay(1); + writel(mode << ZYNQMP_CRL_APB_BOOT_PIN_CTRL_OUT_EN_SHIFT, + &crlapb_base->boot_pin_ctrl); + udelay(5); + writel(mode << ZYNQMP_CRL_APB_BOOT_PIN_CTRL_OUT_VAL_SHIFT | + mode << ZYNQMP_CRL_APB_BOOT_PIN_CTRL_OUT_EN_SHIFT, + &crlapb_base->boot_pin_ctrl); +} + +/* + * Set default PS_MODE1 which is used for USB ULPI phy reset + * Also other resets can be connected to this certain pin + */ +#ifndef MODE_RESET +# define MODE_RESET PS_MODE1 +#endif + #ifdef CONFIG_SPL_BOARD_INIT void spl_board_init(void) { preloader_console_init(); + ps_mode_reset(MODE_RESET); board_init(); } #endif |