arm: K3: Add initial support for TI's K3 generation of SoCs

Add support for Texas Instruments' K3 Generation Processor
families.
Signed-off-by: NLokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: NTom Rini <trini@konsulko.com>

Kconfig

@@ -453,7 +453,7 @@ config SYS_EXTRA_OPTIONS
 config SYS_TEXT_BASE
 	depends on !NIOS2 && !XTENSA
 	depends on !EFI_APP
-	default 0x80800000 if ARCH_OMAP2PLUS
+	default 0x80800000 if ARCH_OMAP2PLUS || ARCH_K3
 	default 0x4a000000 if ARCH_SUNXI && !MACH_SUN9I && !MACH_SUN8I_V3S
 	default 0x2a000000 if ARCH_SUNXI && MACH_SUN9I
 	default 0x42e00000 if ARCH_SUNXI && MACH_SUN8I_V3S

MAINTAINERS

@@ -272,6 +272,7 @@ M:	Tom Rini <trini@konsulko.com>
 S:	Maintained
 T:	git git://git.denx.de/u-boot-ti.git
 F:	arch/arm/mach-davinci/
+F:	arch/arm/mach-k3/
 F:	arch/arm/mach-keystone/
 F:	arch/arm/include/asm/arch-omap*/
 F:	arch/arm/include/asm/ti-common/

arch/arm/Kconfig

@@ -646,6 +646,12 @@ config ARCH_KEYSTONE
 	imply CMD_SAVES
 	imply FIT
 
+config ARCH_K3
+	bool "Texas Instruments' K3 Architecture"
+	select SPL
+	select SUPPORT_SPL
+	select FIT
+
 config ARCH_OMAP2PLUS
 	bool "TI OMAP2+"
 	select CPU_V7A
@@ -1377,6 +1383,8 @@ source "arch/arm/mach-highbank/Kconfig"
 
 source "arch/arm/mach-integrator/Kconfig"
 
+source "arch/arm/mach-k3/Kconfig"
+
 source "arch/arm/mach-keystone/Kconfig"
 
 source "arch/arm/mach-kirkwood/Kconfig"

arch/arm/Makefile

@@ -58,6 +58,7 @@ machine-$(CONFIG_ARCH_BCMSTB)		+= bcmstb
 machine-$(CONFIG_ARCH_DAVINCI)		+= davinci
 machine-$(CONFIG_ARCH_EXYNOS)		+= exynos
 machine-$(CONFIG_ARCH_HIGHBANK)		+= highbank
+machine-$(CONFIG_ARCH_K3)		+= k3
 machine-$(CONFIG_ARCH_KEYSTONE)		+= keystone
 # TODO: rename CONFIG_KIRKWOOD -> CONFIG_ARCH_KIRKWOOD
 machine-$(CONFIG_KIRKWOOD)		+= kirkwood

arch/arm/mach-k3/Kconfig

+if ARCH_K3
+
+choice
+	prompt "Texas Instruments' K3 based SoC select"
+	optional
+
+endchoice
+
+config SYS_SOC
+	default "k3"
+
+endif

common/spl/Kconfig

@@ -171,7 +171,7 @@ config SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
 	default 0x140 if ARCH_MVEBU
 	default 0x200 if ARCH_SOCFPGA || ARCH_AT91
 	default 0x300 if ARCH_ZYNQ || ARCH_KEYSTONE || OMAP34XX || OMAP44XX || \
-		         OMAP54XX || AM33XX || AM43XX
+		         OMAP54XX || AM33XX || AM43XX || ARCH_K3
 	default 0x4000 if ARCH_ROCKCHIP
 	help
 	  Address on the MMC to load U-Boot from, when the MMC is being used

drivers/serial/Kconfig

@@ -628,7 +628,7 @@ config MSM_SERIAL
 config OMAP_SERIAL
 	bool "Support for OMAP specific UART"
 	depends on DM_SERIAL
-	default y if ARCH_OMAP2PLUS
+	default y if (ARCH_OMAP2PLUS || ARCH_K3)
 	select SYS_NS16550
 	help
 	  If you have an TI based SoC and want to use the on-chip serial