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| author | Samuel Holland <samuel@sholland.org> | 2021-09-12 10:56:09 -0500 |
|---|---|---|
| committer | Leo Yu-Chi Liang <ycliang@andestech.com> | 2021-10-07 16:08:23 +0800 |
| commit | 41f7be733444b9221c828ee9c7c22cddfac5a28c (patch) | |
| tree | c1c7d9166ae8d2ede7fa861d08b56be6ef459951 /drivers/serial/Makefile | |
| parent | 425c08faa8a2d6af5d9c1d83a97572f6401137bf (diff) | |
| download | u-boot-41f7be733444b9221c828ee9c7c22cddfac5a28c.zip u-boot-41f7be733444b9221c828ee9c7c22cddfac5a28c.tar.gz u-boot-41f7be733444b9221c828ee9c7c22cddfac5a28c.tar.bz2 | |
serial: Add a debug console using the RISC-V SBI interface
The RISC-V SBI interface v0.1 provides a function for printing a
character to the console. Even though SBI v0.1 functions are deprecated,
the SBI console is quite useful for early debugging, because it works
without any dcache, memory, or MMIO access in S mode.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'drivers/serial/Makefile')
| -rw-r--r-- | drivers/serial/Makefile | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile index 3cbea81..4edd2aa 100644 --- a/drivers/serial/Makefile +++ b/drivers/serial/Makefile @@ -36,6 +36,7 @@ obj-$(CONFIG_ATMEL_USART) += atmel_usart.o obj-$(CONFIG_BCM6345_SERIAL) += serial_bcm6345.o obj-$(CONFIG_COREBOOT_SERIAL) += serial_coreboot.o obj-$(CONFIG_CORTINA_UART) += serial_cortina.o +obj-$(CONFIG_DEBUG_SBI_CONSOLE) += serial_sbi.o obj-$(CONFIG_EFI_APP) += serial_efi.o obj-$(CONFIG_LPC32XX_HSUART) += lpc32xx_hsuart.o obj-$(CONFIG_MCFUART) += serial_mcf.o |