ti: am335x_evm: Switch to DISTRO_BOOT only

Remove the environment support for various legacy boot methods.  With
this, we will now default to booting any distribution that follows the
generic distro boot framework and no longer attempt to boot various
legacy (to this SoC) scripts/etc.

Signed-off-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Link: https://lore.kernel.org/r/20210610230147.22475-1-trini@konsulko.com

configs/am335x_boneblack_vboot_defconfig

@@ -16,7 +16,7 @@ CONFIG_AUTOBOOT_KEYED=y
 CONFIG_AUTOBOOT_PROMPT="Press SPACE to abort autoboot in %d seconds\n"
 CONFIG_AUTOBOOT_DELAY_STR="d"
 CONFIG_AUTOBOOT_STOP_STR=" "
-CONFIG_BOOTCOMMAND="if test ${boot_fit} -eq 1; then run update_to_fit; fi; run findfdt; run init_console; run envboot; run distro_bootcmd"
+CONFIG_BOOTCOMMAND="run findfdt; run init_console; run finduuid; run distro_bootcmd"
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 CONFIG_ARCH_MISC_INIT=y
 CONFIG_SPL_MUSB_NEW_SUPPORT=y

configs/am335x_evm_defconfig

@@ -9,7 +9,7 @@ CONFIG_DISTRO_DEFAULTS=y
 CONFIG_SPL_LOAD_FIT=y
 # CONFIG_USE_SPL_FIT_GENERATOR is not set
 CONFIG_OF_BOARD_SETUP=y
-CONFIG_BOOTCOMMAND="if test ${boot_fit} -eq 1; then run update_to_fit; fi; run findfdt; run init_console; run envboot; run distro_bootcmd"
+CONFIG_BOOTCOMMAND="run findfdt; run init_console; run finduuid; run distro_bootcmd"
 CONFIG_LOGLEVEL=3
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 CONFIG_ARCH_MISC_INIT=y

configs/am335x_evm_spiboot_defconfig

@@ -14,7 +14,7 @@ CONFIG_SPL_SPI_SUPPORT=y
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_SPL_LOAD_FIT=y
 CONFIG_OF_BOARD_SETUP=y
-CONFIG_BOOTCOMMAND="if test ${boot_fit} -eq 1; then run update_to_fit; fi; run findfdt; run init_console; run envboot; run distro_bootcmd"
+CONFIG_BOOTCOMMAND="run findfdt; run init_console; run finduuid; run distro_bootcmd"
 CONFIG_LOGLEVEL=3
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 CONFIG_ARCH_MISC_INIT=y

configs/am335x_hs_evm_defconfig

@@ -13,7 +13,7 @@ CONFIG_SPL_LOAD_FIT=y
 CONFIG_SPL_FIT_IMAGE_POST_PROCESS=y
 # CONFIG_USE_SPL_FIT_GENERATOR is not set
 CONFIG_OF_BOARD_SETUP=y
-CONFIG_BOOTCOMMAND="if test ${boot_fit} -eq 1; then run update_to_fit; fi; run findfdt; run init_console; run envboot; run distro_bootcmd"
+CONFIG_BOOTCOMMAND="run findfdt; run init_console; run finduuid; run distro_bootcmd"
 CONFIG_LOGLEVEL=3
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 CONFIG_ARCH_MISC_INIT=y

configs/am335x_hs_evm_uart_defconfig

@@ -16,7 +16,7 @@ CONFIG_SPL_LOAD_FIT=y
 CONFIG_SPL_FIT_IMAGE_POST_PROCESS=y
 # CONFIG_USE_SPL_FIT_GENERATOR is not set
 CONFIG_OF_BOARD_SETUP=y
-CONFIG_BOOTCOMMAND="if test ${boot_fit} -eq 1; then run update_to_fit; fi; run findfdt; run init_console; run envboot; run distro_bootcmd"
+CONFIG_BOOTCOMMAND="run findfdt; run init_console; run finduuid; run distro_bootcmd"
 CONFIG_LOGLEVEL=3
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 CONFIG_ARCH_MISC_INIT=y

include/configs/am335x_evm.h

@@ -50,15 +50,6 @@
 #define NANDARGS ""
 #endif
 
-#define BOOTENV_DEV_LEGACY_MMC(devtypeu, devtypel, instance) \
-	"bootcmd_" #devtypel #instance "=" \
-	"setenv mmcdev " #instance"; "\
-	"setenv bootpart " #instance":2 ; "\
-	"run mmcboot\0"
-
-#define BOOTENV_DEV_NAME_LEGACY_MMC(devtypeu, devtypel, instance) \
-	#devtypel #instance " "
-
 #define BOOTENV_DEV_NAND(devtypeu, devtypel, instance) \
 	"bootcmd_" #devtypel "=" \
 	"run nandboot\0"
@@ -86,9 +77,7 @@
 
 #define BOOT_TARGET_DEVICES(func) \
 	func(MMC, mmc, 0) \
-	func(LEGACY_MMC, legacy_mmc, 0) \
 	func(MMC, mmc, 1) \
-	func(LEGACY_MMC, legacy_mmc, 1) \
 	func(NAND, nand, 0) \
 	BOOT_TARGET_USB(func) \
 	BOOT_TARGET_PXE(func) \
@@ -98,16 +87,11 @@
 
 #ifndef CONFIG_SPL_BUILD
 #include <environment/ti/dfu.h>
-#include <environment/ti/mmc.h>
 
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	DEFAULT_LINUX_BOOT_ENV \
-	DEFAULT_MMC_TI_ARGS \
-	DEFAULT_FIT_TI_ARGS \
-	"bootpart=0:2\0" \
-	"bootdir=/boot\0" \
-	"bootfile=zImage\0" \
 	"fdtfile=undefined\0" \
+	"finduuid=part uuid mmc 0:2 uuid\0" \
 	"console=ttyO0,115200n8\0" \
 	"partitions=" \
 		"uuid_disk=${uuid_gpt_disk};" \