spl: Support bootstage, log, hash and early malloc in TPL

At present these features are supported in SPL but not TPL. Update the
Kconfig and Makefile to allow this.

Also add a few Makefile comments to make earier to track what is going on.

Signed-off-by: Simon Glass <sjg@chromium.org>

common/Kconfig

@@ -27,6 +27,15 @@ config SPL_BOOTSTAGE
 	  information when SPL finishes and load it when U-Boot proper starts
 	  up.
 
+config TPL_BOOTSTAGE
+	bool "Boot timing and reported in TPL"
+	depends on BOOTSTAGE
+	help
+	  Enable recording of boot time in SPL. To make this visible to U-Boot
+	  proper, enable BOOTSTAGE_STASH as well. This will stash the timing
+	  information when TPL finishes and load it when U-Boot proper starts
+	  up.
+
 config BOOTSTAGE_REPORT
 	bool "Display a detailed boot timing report before booting the OS"
 	depends on BOOTSTAGE
@@ -444,6 +453,16 @@ config LOG
 
 config SPL_LOG
 	bool "Enable logging support in SPL"
+	depends on LOG
+	help
+	  This enables support for logging of status and debug messages. These
+	  can be displayed on the console, recorded in a memory buffer, or
+	  discarded if not needed. Logging supports various categories and
+	  levels of severity.
+
+config TPL_LOG
+	bool "Enable logging support in TPL"
+	depends on LOG
 	help
 	  This enables support for logging of status and debug messages. These
 	  can be displayed on the console, recorded in a memory buffer, or
@@ -660,6 +679,22 @@ config AVB_VERIFY
 	    * Helpers to access MMC, similar to drivers/fastboot/fb_mmc.c.
 	    * Helpers to alloc/init/free avb ops.
 
+config SPL_HASH
+	bool # "Support hashing API (SHA1, SHA256, etc.)"
+	help
+	  This provides a way to hash data in memory using various supported
+	  algorithms (such as SHA1, MD5, CRC32). The API is defined in hash.h
+	  and the algorithms it supports are defined in common/hash.c. See
+	  also CMD_HASH for command-line access.
+
+config TPL_HASH
+	bool # "Support hashing API (SHA1, SHA256, etc.)"
+	help
+	  This provides a way to hash data in memory using various supported
+	  algorithms (such as SHA1, MD5, CRC32). The API is defined in hash.h
+	  and the algorithms it supports are defined in common/hash.c. See
+	  also CMD_HASH for command-line access.
+
 endmenu
 
 menu "Update support"

common/Makefile

@@ -68,6 +68,7 @@ obj-$(CONFIG_DFU_OVER_USB) += dfu.o
 endif
 obj-$(CONFIG_SPL_DFU_SUPPORT) += cli_hush.o
 obj-$(CONFIG_SPL_HASH_SUPPORT) += hash.o
+obj-$(CONFIG_TPL_HASH_SUPPORT) += hash.o
 obj-$(CONFIG_SPL_YMODEM_SUPPORT) += xyzModem.o
 obj-$(CONFIG_SPL_LOAD_FIT) += common_fit.o
 obj-$(CONFIG_SPL_NET_SUPPORT) += miiphyutil.o
@@ -76,7 +77,8 @@ ifdef CONFIG_SPL_USB_HOST_SUPPORT
 obj-$(CONFIG_SPL_USB_SUPPORT) += usb.o usb_hub.o
 obj-$(CONFIG_USB_STORAGE) += usb_storage.o
 endif
-endif
+endif # CONFIG_SPL_BUILD
+
 #others
 obj-$(CONFIG_DDR_SPD) += ddr_spd.o
 obj-$(CONFIG_SPD_EEPROM) += ddr_spd.o
@@ -90,14 +92,16 @@ obj-$(CONFIG_SPL_SERIAL_SUPPORT) += console.o
 endif
 else
 obj-y += console.o
-endif
+endif # CONFIG_SPL_BUILD
+
 obj-$(CONFIG_CROS_EC) += cros_ec.o
 obj-y += dlmalloc.o
 ifdef CONFIG_SYS_MALLOC_F
-ifneq ($(CONFIG_$(SPL_)SYS_MALLOC_F_LEN),0)
+ifneq ($(CONFIG_$(SPL_TPL_)SYS_MALLOC_F_LEN),0)
 obj-y += malloc_simple.o
 endif
 endif
+
 obj-y += image.o
 obj-$(CONFIG_ANDROID_BOOT_IMAGE) += image-android.o
 obj-$(CONFIG_$(SPL_TPL_)OF_LIBFDT) += image-fdt.o