sc7280: Enable UART driver

Enable common Uart driver on sc7280

BUG=b:182963902
TEST=Validated on qualcomm sc7280 development board

Signed-off-by: Rajesh Patil <rajpat@codeaurora.org>
Change-Id: I015e21081391bfe85edf667685bf117401a9ec00
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55963
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Shelley Chen <shchen@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/qualcomm/sc7280/Kconfig

@@ -14,6 +14,7 @@ config SOC_QUALCOMM_SC7280
 	select CACHE_MRC_SETTINGS
 	select HAS_RECOVERY_MRC_CACHE
 	select COMPRESS_BOOTBLOCK
+	select HAVE_UART_SPECIAL
 
 if SOC_QUALCOMM_SC7280
 
@@ -36,4 +37,10 @@ config BOOT_DEVICE_SPI_FLASH_BUS
 	int
 	default 16
 
+config UART_FOR_CONSOLE
+	int
+	default 5
+	help
+	 Select the QUP instance to be used for UART console output.
+
 endif

src/soc/qualcomm/sc7280/Makefile.inc

@@ -20,15 +20,21 @@ all-y += ../common/qupv3_spi.c
 bootblock-y += bootblock.c
 bootblock-y += mmu.c
 bootblock-$(CONFIG_DRIVERS_UART) += ../common/uart_bitbang.c
+
+################################################################################
+verstage-$(CONFIG_DRIVERS_UART) += ../common/qupv3_uart.c
+
 ################################################################################
 romstage-y += cbmem.c
 romstage-y += ../common/qclib.c
 romstage-y += ../common/mmu.c
 romstage-y += mmu.c
+romstage-$(CONFIG_DRIVERS_UART) += ../common/qupv3_uart.c
 
 ################################################################################
 ramstage-y += soc.c
 ramstage-y += cbmem.c
+ramstage-$(CONFIG_DRIVERS_UART) += ../common/qupv3_uart.c
 
 ################################################################################