diff options
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/Kconfig | 20 | ||||
| -rw-r--r-- | drivers/serial/ns16550.c | 7 | ||||
| -rw-r--r-- | drivers/serial/serial-uclass.c | 4 |
3 files changed, 27 insertions, 4 deletions
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index 1fc287ee98..04541c9ff3 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -15,6 +15,26 @@ config REQUIRE_SERIAL_CONSOLE during serial port initialization (default y). Set this to n on boards which have no debug serial port whatsoever. +config SERIAL_PRESENT + bool "Provide a serial driver" + depends on DM_SERIAL + default y + help + In very space-constrained devices even the full UART driver is too + large. In this case the debug UART can still be used in some cases. + This option enables the full UART in U-Boot, so if is it disabled, + the full UART driver will be omitted, thus saving space. + +config SPL_SERIAL_PRESENT + bool "Provide a serial driver in SPL" + depends on DM_SERIAL + default y + help + In very space-constrained devices even the full UART driver is too + large. In this case the debug UART can still be used in some cases. + This option enables the full UART in SPL, so if is it disabled, + the full UART driver will be omitted, thus saving space. + config DM_SERIAL bool "Enable Driver Model for serial drivers" depends on DM diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c index 3fab3f1efb..021b211ab4 100644 --- a/drivers/serial/ns16550.c +++ b/drivers/serial/ns16550.c @@ -368,7 +368,7 @@ int ns16550_serial_ofdata_to_platdata(struct udevice *dev) /* try Processor Local Bus device first */ addr = dev_get_addr(dev); -#ifdef CONFIG_PCI +#if defined(CONFIG_PCI) && defined(CONFIG_DM_PCI) if (addr == FDT_ADDR_T_NONE) { /* then try pci device */ struct fdt_pci_addr pci_addr; @@ -389,8 +389,7 @@ int ns16550_serial_ofdata_to_platdata(struct udevice *dev) return ret; } - ret = fdtdec_get_pci_bar32(gd->fdt_blob, dev->of_offset, - &pci_addr, &bar); + ret = fdtdec_get_pci_bar32(dev, &pci_addr, &bar); if (ret) return ret; @@ -440,6 +439,7 @@ static const struct udevice_id ns16550_serial_ids[] = { }; #endif +#if CONFIG_IS_ENABLED(SERIAL_PRESENT) U_BOOT_DRIVER(ns16550_serial) = { .name = "ns16550_serial", .id = UCLASS_SERIAL, @@ -453,4 +453,5 @@ U_BOOT_DRIVER(ns16550_serial) = { .ops = &ns16550_serial_ops, .flags = DM_FLAG_PRE_RELOC, }; +#endif #endif /* CONFIG_DM_SERIAL */ diff --git a/drivers/serial/serial-uclass.c b/drivers/serial/serial-uclass.c index 4bf9a5c681..1c447ff27a 100644 --- a/drivers/serial/serial-uclass.c +++ b/drivers/serial/serial-uclass.c @@ -204,7 +204,7 @@ void serial_stdio_init(void) { } -#ifdef CONFIG_DM_STDIO +#if defined(CONFIG_DM_STDIO) && CONFIG_IS_ENABLED(SERIAL_PRESENT) static void serial_stub_putc(struct stdio_dev *sdev, const char ch) { _serial_putc(sdev->priv, ch); @@ -287,6 +287,7 @@ static int on_baudrate(const char *name, const char *value, enum env_op op, } U_BOOT_ENV_CALLBACK(baudrate, on_baudrate); +#if CONFIG_IS_ENABLED(SERIAL_PRESENT) static int serial_post_probe(struct udevice *dev) { struct dm_serial_ops *ops = serial_get_ops(dev); @@ -356,3 +357,4 @@ UCLASS_DRIVER(serial) = { .pre_remove = serial_pre_remove, .per_device_auto_alloc_size = sizeof(struct serial_dev_priv), }; +#endif |