[U-Boot] [PATCH v2 1/2] spl_spi: Read default speed and mode values from DT
Patrick Delaunay
patrick.delaunay at st.com
Mon Nov 19 17:33:09 UTC 2018
In case of DT boot, don't read default speed and mode for SPI from
CONFIG_*, instead read from DT node.
Signed-off-by: Christophe Kerello <christophe.kerello at st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay at st.com>
---
Changes in v2:
- use variables to avoid duplicated code
common/spl/spl_spi.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/common/spl/spl_spi.c b/common/spl/spl_spi.c
index 8cd4830..b348b45 100644
--- a/common/spl/spl_spi.c
+++ b/common/spl/spl_spi.c
@@ -74,15 +74,21 @@ static int spl_spi_load_image(struct spl_image_info *spl_image,
unsigned payload_offs = CONFIG_SYS_SPI_U_BOOT_OFFS;
struct spi_flash *flash;
struct image_header *header;
+ unsigned int max_hz = CONFIG_SF_DEFAULT_SPEED;
+ unsigned int spi_mode = CONFIG_SF_DEFAULT_MODE;
+#ifdef CONFIG_DM_SPI_FLASH
+ /* In DM mode defaults will be taken from DT */
+ max_hz = 0, spi_mode = 0;
+#endif
/*
* Load U-Boot image from SPI flash into RAM
*/
flash = spi_flash_probe(CONFIG_SF_DEFAULT_BUS,
CONFIG_SF_DEFAULT_CS,
- CONFIG_SF_DEFAULT_SPEED,
- CONFIG_SF_DEFAULT_MODE);
+ max_hz,
+ spi_mode);
if (!flash) {
puts("SPI probe failed.\n");
return -ENODEV;
--
2.7.4
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