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| author | Tom Rini <trini@konsulko.com> | 2020-02-04 11:36:49 -0500 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2020-02-04 11:36:49 -0500 |
| commit | d4827fcd4c1b04c338e4019e412f495aa4231d24 (patch) | |
| tree | ec6d55971a72f39069ed66a7ca836bdbead324bc /drivers/serial/Kconfig | |
| parent | d861183dc531b74479f92bf4c8de8ad60a0a0d56 (diff) | |
| parent | 9e0c131a32028547cc4834f238c614af2675c66d (diff) | |
Merge https://gitlab.denx.de/u-boot/custodians/u-boot-x86
- Various minor fixes for x86
- Switch to ACPI mode on Intel edison
- Support run-time configuration for NS16550 driver
- Update coreboot and slimbootloader serial drivers to use NS16550
run-time configuration
- ICH SPI driver fixes to hardware sequencing erase case
- Move ITSS from Apollo Lake to a more generic location
- Intel GPIO driver bug fixes
- Move to vs2017-win2016 platform build host for Azure pipelines
Diffstat (limited to 'drivers/serial/Kconfig')
| -rw-r--r-- | drivers/serial/Kconfig | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index bd95f70b61..cd2e098883 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -542,6 +542,17 @@ config BCM6345_SERIAL help Select this to enable UART on BCM6345 SoCs. +config COREBOOT_SERIAL + bool "Coreboot UART support" + depends on DM_SERIAL + default y if SYS_COREBOOT + select SYS_NS16550 + help + Select this to enable a ns16550-style UART where the platform data + comes from the coreboot 'sysinfo' tables. This allows U-Boot to have + a serial console on any platform without needing to change the + device tree, etc. + config FSL_LINFLEXUART bool "Freescale Linflex UART support" depends on DM_SERIAL @@ -601,6 +612,27 @@ config SYS_NS16550 be used. It can be a constant or a function to get clock, eg, get_serial_clock(). +config NS16550_DYNAMIC + bool "Allow NS16550 to be configured at runtime" + default y if SYS_COREBOOT || SYS_SLIMBOOTLOADER + help + Enable this option to allow device-tree control of the driver. + + Normally this driver is controlled by the following options: + + CONFIG_SYS_NS16550_PORT_MAPPED - indicates that port I/O is used for + access. If not enabled, then the UART is memory-mapped. + CONFIG_SYS_NS16550_MEM32 - if memory-mapped, indicates that 32-bit + access should be used (instead of 8-bit) + CONFIG_SYS_NS16550_REG_SIZE - indicates register width and also + endianness. If positive, big-endian access is used. If negative, + little-endian is used. + + It is not a good practice for a driver to be statically configured, + since it prevents the same driver being used for different types of + UARTs in a system. This option avoids this problem at the cost of a + slightly increased code size. + config INTEL_MID_SERIAL bool "Intel MID platform UART support" depends on DM_SERIAL && OF_CONTROL |