diff options
Diffstat (limited to 'src/soc/intel/common/block/uart/uart.c')
| -rw-r--r-- | src/soc/intel/common/block/uart/uart.c | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/src/soc/intel/common/block/uart/uart.c b/src/soc/intel/common/block/uart/uart.c index 9d820ffd7e..f556aed3d6 100644 --- a/src/soc/intel/common/block/uart/uart.c +++ b/src/soc/intel/common/block/uart/uart.c @@ -65,15 +65,13 @@ static int uart_get_valid_index(void) return UART_CONSOLE_INVALID_INDEX; } -void uart_common_init(struct device *device, uintptr_t baseaddr) +void uart_common_init(const struct device *device, uintptr_t baseaddr) { #if defined(__SIMPLE_DEVICE__) - pci_devfn_t dev = (pci_devfn_t)(uintptr_t)device; + pci_devfn_t dev = PCI_BDF(device); #else - struct device *dev = device; + const struct device *dev = device; #endif - if (!dev) - return; /* Set UART base address */ pci_write_config32(dev, PCI_BASE_ADDRESS_0, baseaddr); @@ -84,7 +82,7 @@ void uart_common_init(struct device *device, uintptr_t baseaddr) uart_lpss_init(baseaddr); } -struct device *uart_get_device(void) +const struct device *uart_get_device(void) { /* * This function will get called even if INTEL_LPSS_UART_FOR_CONSOLE @@ -105,14 +103,16 @@ struct device *uart_get_device(void) bool uart_is_controller_initialized(void) { uintptr_t base; + const struct device *dev_uart = uart_get_device(); + + if (!dev_uart) + return false; #if defined(__SIMPLE_DEVICE__) - pci_devfn_t dev = (pci_devfn_t)(uintptr_t)uart_get_device(); + pci_devfn_t dev = PCI_BDF(dev_uart); #else - struct device *dev = uart_get_device(); + const struct device *dev = dev_uart; #endif - if (!dev) - return false; base = pci_read_config32(dev, PCI_BASE_ADDRESS_0) & ~0xFFF; if (!base) @@ -136,8 +136,15 @@ static void uart_configure_gpio_pads(void) void uart_bootblock_init(void) { + const struct device *dev_uart; + + dev_uart = uart_get_device(); + + if (!dev_uart) + return; + /* Program UART BAR0, command, reset and clock register */ - uart_common_init(uart_get_device(), CONFIG_CONSOLE_UART_BASE_ADDRESS); + uart_common_init(dev_uart, CONFIG_CONSOLE_UART_BASE_ADDRESS); /* Configure the 2 pads per UART. */ uart_configure_gpio_pads(); |