diff options
Diffstat (limited to 'arch/x86/cpu/baytrail/early_uart.c')
| -rw-r--r-- | arch/x86/cpu/baytrail/early_uart.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/x86/cpu/baytrail/early_uart.c b/arch/x86/cpu/baytrail/early_uart.c index b64a3a9..471d592 100644 --- a/arch/x86/cpu/baytrail/early_uart.c +++ b/arch/x86/cpu/baytrail/early_uart.c @@ -59,11 +59,15 @@ static void x86_pci_write_config32(int dev, unsigned int where, u32 value) } /* This can be called after memory-mapped PCI is working */ -int setup_early_uart(void) +int setup_internal_uart(int enable) { - /* Enable the legacy UART hardware. */ + /* Enable or disable the legacy UART hardware */ x86_pci_write_config32(PCI_DEV_CONFIG(0, LPC_DEV, LPC_FUNC), UART_CONT, - 1); + enable); + + /* All done for the disable part, so just return */ + if (!enable) + return 0; /* * Set up the pads to the UART function. This allows the signals to |