[U-Boot] [PATCH 02/30] spi: Allow separate control of SPI_FLASH_TINY for SPL/TPL

Simon Glass sjg at chromium.org
Sun Oct 27 15:53:42 UTC 2019


In some cases SPL needs to be able to erase but TPL just needs to read.
Allow these to have separate settings for SPI_FLASH_TINY.

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

 common/spl/Kconfig       | 10 ++++++++++
 drivers/mtd/spi/Makefile |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/common/spl/Kconfig b/common/spl/Kconfig
index 86d7edfee1..604bb69d69 100644
--- a/common/spl/Kconfig
+++ b/common/spl/Kconfig
@@ -1423,6 +1423,16 @@ config TPL_SPI_FLASH_SUPPORT
 	  Enable support for using SPI flash in TPL. See SPL_SPI_FLASH_SUPPORT
 	  for details.
 
+config TPL_SPI_FLASH_TINY
+	bool "Enable low footprint TPL SPI Flash support"
+	depends on TPL_SPI_FLASH_SUPPORT && !SPI_FLASH_BAR
+	default y if SPI_FLASH
+	help
+	 Enable lightweight TPL SPI Flash support that supports just reading
+	 data/images from flash. No support to write/erase flash. Enable
+	 this if you have TPL size limitations and don't need full-fledged
+	 SPI flash support.
+
 config TPL_SPI_LOAD
 	bool "Support loading from SPI flash"
 	depends on TPL_SPI_FLASH_SUPPORT
diff --git a/drivers/mtd/spi/Makefile b/drivers/mtd/spi/Makefile
index 20db1015d9..df04297671 100644
--- a/drivers/mtd/spi/Makefile
+++ b/drivers/mtd/spi/Makefile
@@ -8,7 +8,7 @@ spi-nor-y := sf_probe.o spi-nor-ids.o
 
 ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_SPL_SPI_BOOT)	+= fsl_espi_spl.o
-ifeq ($(CONFIG_SPL_SPI_FLASH_TINY),y)
+ifeq ($(CONFIG_$(SPL_TPL_)SPI_FLASH_TINY),y)
 spi-nor-y += spi-nor-tiny.o
 else
 spi-nor-y += spi-nor-core.o
-- 
2.24.0.rc0.303.g954a862665-goog



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