[PATCH v7 5/6] rockchip: doc: add back to ROM section

[Johan Jonker <jbx6244@gmail.com>]

Add a back to ROM section to rockchip.rst
Correct Kconfig text.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
---

Changed V7:
Move under a 'Boot flow' heading
Remove "Some"
---
 arch/arm/mach-rockchip/Kconfig  | 16 ++++++++--------
 doc/board/rockchip/rockchip.rst | 11 +++++++++++
 2 files changed, 19 insertions(+), 8 deletions(-)

diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
index 1a2e7847c9e7..c1dbcce1e27c 100644
--- a/arch/arm/mach-rockchip/Kconfig
+++ b/arch/arm/mach-rockchip/Kconfig
@@ -600,26 +600,26 @@ config ROCKCHIP_USB_UART
 	  SoCs will enable this routing as a debug measure.
 
 config SPL_ROCKCHIP_BACK_TO_BROM
-	bool "SPL returns to bootrom"
+	bool "SPL returns to boot ROM"
 	default y if ROCKCHIP_RK3036
 	select ROCKCHIP_BROM_HELPER
 	select SPL_BOOTROM_SUPPORT
 	depends on SPL
 	help
-	  Rockchip SoCs have ability to load SPL & U-Boot binary. If enabled,
-	  SPL will return to the boot rom, which will then load the U-Boot
-	  binary to keep going on.
+	  Rockchip SoCs have the ability to load a second loader binary
+	  after the SPL phase. If enabled, SPL will return to the boot ROM,
+	  which will then load and execute the U-Boot binary.
 
 config TPL_ROCKCHIP_BACK_TO_BROM
-	bool "TPL returns to bootrom"
+	bool "TPL returns to boot ROM"
 	default y
 	select ROCKCHIP_BROM_HELPER if !ROCKCHIP_RK3066
 	select TPL_BOOTROM_SUPPORT
 	depends on TPL
 	help
-	  Rockchip SoCs have ability to load SPL & U-Boot binary. If enabled,
-	  SPL will return to the boot rom, which will then load the U-Boot
-	  binary to keep going on.
+	  Rockchip SoCs have the ability to load a second loader binary
+	  after the TPL phase. If enabled, TPL will return to the boot ROM,
+	  which will then load and execute a SPL binary.
 
 config ROCKCHIP_COMMON_BOARD
 	bool "Rockchip common board file"
diff --git a/doc/board/rockchip/rockchip.rst b/doc/board/rockchip/rockchip.rst
index 5e16e860bfd5..d5945e805ba8 100644
--- a/doc/board/rockchip/rockchip.rst
+++ b/doc/board/rockchip/rockchip.rst
@@ -560,5 +560,16 @@ config-flash.ini:
         PATH=RK30xxLoader_uboot.bin
 
 
+Boot flow
+---------
+
+Back to ROM
+^^^^^^^^^^^
+
+Rockchip SoCs have the ability to load a second loader binary.
+If enabled, the TPL/SPL code will return to the boot ROM, which will then
+load and execute a SPL or U-Boot binary.
+
+
 .. Jagan Teki <jagan@amarulasolutions.com>
 .. Wednesday 28 October 2020 06:47:26 PM IST
-- 
2.39.5