From: Ruediger Fichter <[email protected]> Enable the clock gate of the debug console, even in the case it has been turned off i.e. because the root cell is not using the UART.
Signed-off-by: Ruediger Fichter <[email protected]> Signed-off-by: Jan von Wiarda <[email protected]> --- hypervisor/arch/arm-common/uart-hscif.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/hypervisor/arch/arm-common/uart-hscif.c b/hypervisor/arch/arm-common/uart-hscif.c index 4eb7534..28eae9a 100644 --- a/hypervisor/arch/arm-common/uart-hscif.c +++ b/hypervisor/arch/arm-common/uart-hscif.c @@ -28,10 +28,17 @@ #define HSCIF_FIFO_SIZE 128 +#define CON_CLOCK_STS_REG 0xe61501c4 + static void uart_init(struct uart_chip *chip) { + void *clock_reg = (void*)(unsigned long)chip->debug_console->clock_reg; + void *clock_sts_reg = (void*)(unsigned long)CON_CLOCK_STS_REG; + unsigned int gate_nr = chip->debug_console->gate_nr; u16 hsscr; + mmio_write32(clock_reg, mmio_read32(clock_sts_reg) & ~(1 << gate_nr)); + if (chip->debug_console->divider) { hsscr = mmio_read16(chip->virt_base + HSCIF_HSSCR); mmio_write16(chip->virt_base + HSCIF_HSSCR, -- 2.11.0 -- You received this message because you are subscribed to the Google Groups "Jailhouse" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
