[U-Boot] [PATCH 6/7] env: Read default speed and mode values from DT

Patrick Delaunay
2018-12-10T10:52:45Z

In case of DT boot, don't read default speed and mode for SPI from
CONFIG_*, instead read from DT node.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
---

env/Kconfig | 4 ++--
env/sf.c | 5 ++++-
2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/env/Kconfig b/env/Kconfig
index 9011109..0f760ce 100644
--- a/env/Kconfig
+++ b/env/Kconfig
@@ -329,11 +329,11 @@ config ENV_IS_IN_SPI_FLASH

Define the SPI bus and chip select. If not defined they will be 0.

- - CONFIG_ENV_SPI_MAX_HZ (optional):
+ - CONFIG_ENV_SPI_MAX_HZ (optional if !DM_SPI_FLASH):

Define the SPI max work clock. If not defined then use 1MHz.

- - CONFIG_ENV_SPI_MODE (optional):
+ - CONFIG_ENV_SPI_MODE (optional if !DM_SPI_FLASH):

Define the SPI work mode. If not defined then use SPI_MODE_3.

diff --git a/env/sf.c b/env/sf.c
index 2e3c600..edd36f1 100644
--- a/env/sf.c
+++ b/env/sf.c
@@ -24,12 +24,15 @@
#ifndef CONFIG_ENV_SPI_CS
# define CONFIG_ENV_SPI_CS CONFIG_SF_DEFAULT_CS
#endif
+
+#ifndef CONFIG_DM_SPI_FLASH
#ifndef CONFIG_ENV_SPI_MAX_HZ
# define CONFIG_ENV_SPI_MAX_HZ CONFIG_SF_DEFAULT_SPEED
#endif
#ifndef CONFIG_ENV_SPI_MODE
# define CONFIG_ENV_SPI_MODE CONFIG_SF_DEFAULT_MODE
#endif
+#endif

#ifndef CONFIG_SPL_BUILD
#define CMD_SAVEENV
@@ -58,7 +61,7 @@ static int setup_flash_device(void)

/* speed and mode will be read from DT */
ret = spi_flash_probe_bus_cs(CONFIG_ENV_SPI_BUS, CONFIG_ENV_SPI_CS,
- CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE,
+ 0, 0,
&new);
if (ret) {
set_default_env("spi_flash_probe_bus_cs() failed", 0);
--
2.7.4