sunxi: Remove support for building "old-fashioned" fel binaries

The latest versions of the fel tool support loading normal u-boot builds
directly, and this is now the preferred way to use the fel boot method.

This commit removes support for the old deprecated standalone fel builds.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>

arch/arm/cpu/armv7/sunxi/board.c

@@ -120,13 +120,6 @@ void s_init(void)
  */
 u32 spl_boot_device(void)
 {
-#ifdef CONFIG_SPL_FEL
-	/*
-	 * This is the legacy compile time configuration for a special FEL
-	 * enabled build. It has many restrictions and can only boot over USB.
-	 */
-	return BOOT_DEVICE_BOARD;
-#else
 	/*
 	 * When booting from the SD card, the "eGON.BT0" signature is expected
 	 * to be found in memory at the address 0x0004 (see the "mksunxiboot"
@@ -147,7 +140,6 @@ u32 spl_boot_device(void)
 		return BOOT_DEVICE_MMC1;
 	else
 		return BOOT_DEVICE_BOARD;
-#endif
 }
 
 /* No confirmation data available in SPL yet. Hardcode bootmode */

board/sunxi/Kconfig

@@ -194,24 +194,8 @@ config SYS_BOARD
 config SYS_SOC
 	default "sunxi"
 
-config SPL_FEL
-	bool "SPL/FEL mode support"
-	depends on SPL
-	default n
-	help
-	  This enables support for Fast Early Loader (FEL) mode. This
-	  allows U-Boot to be loaded to the board over USB by the on-chip
-	  boot rom. U-Boot should be sent in two parts: SPL first, with
-	  'fel write 0x2000 u-boot-spl.bin; fel exe 0x2000' then U-Boot with
-	  'fel write 0x4a000000 u-boot.bin; fel exe 0x4a000000'. This option
-	  shrinks the amount of SRAM available to SPL, so only enable it if
-	  you need FEL. Note that enabling this option only allows FEL to be
-	  used; it is still possible to boot U-Boot from boot media. U-Boot
-	  SPL detects when it is being loaded using FEL.
-
 config UART0_PORT_F
 	bool "UART0 on MicroSD breakout board"
-	depends on SPL_FEL
 	default n
 	---help---
 	Repurpose the SD card slot for getting access to the UART0 serial

include/configs/sunxi-common.h

@@ -162,13 +162,6 @@
 
 #define CONFIG_SPL_BOARD_LOAD_IMAGE
 
-#ifdef CONFIG_SPL_FEL
-
-#define CONFIG_SPL_TEXT_BASE		0x2000
-#define CONFIG_SPL_MAX_SIZE		0x4000		/* 16 KiB */
-
-#else /* CONFIG_SPL */
-
 #define CONFIG_SPL_BSS_START_ADDR	0x4ff80000
 #define CONFIG_SPL_BSS_MAX_SIZE		0x80000		/* 512 KiB */
 
@@ -186,8 +179,6 @@
 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR	80	/* 40KiB */
 #define CONFIG_SPL_PAD_TO		32768		/* decimal for 'dd' */
 
-#endif /* CONFIG_SPL */
-
 /* end of 32 KiB in sram */
 #define LOW_LEVEL_SRAM_STACK		0x00008000 /* End of sram */
 #define CONFIG_SPL_STACK		LOW_LEVEL_SRAM_STACK