diff options
| author | Marek Vasut <marex@denx.de> | 2020-03-31 20:51:29 +0300 |
|---|---|---|
| committer | Patrick Delaunay <patrick.delaunay@st.com> | 2020-04-01 12:58:00 +0300 |
| commit | f19312e5f400b1eb23252fa6d9e49a1e5512b448 (patch) | |
| tree | 8d1615dd239fd8d8460fa069a1b9db7ae081f55b /board/dhelectronics | |
| parent | 2f0b5d930d3b2100917077ef7217e77c3c9ae956 (diff) | |
| download | u-boot-f19312e5f400b1eb23252fa6d9e49a1e5512b448.tar.xz | |
ARM: dts: stm32: Use DT alias for the configuration EEPROM
Use DT /aliases node to establish a stable phandle to the configuration
EEPROM. This permits the configuration EEPROM to be moved e.g. to a
different address or a different bus. Adjust the board code to handle
new phandle lookup.
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Diffstat (limited to 'board/dhelectronics')
| -rw-r--r-- | board/dhelectronics/dh_stm32mp1/board.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/board/dhelectronics/dh_stm32mp1/board.c b/board/dhelectronics/dh_stm32mp1/board.c index b663696983..7bcd713a86 100644 --- a/board/dhelectronics/dh_stm32mp1/board.c +++ b/board/dhelectronics/dh_stm32mp1/board.c @@ -78,22 +78,21 @@ DECLARE_GLOBAL_DATA_PTR; int setup_mac_address(void) { - struct udevice *dev; - ofnode eeprom; unsigned char enetaddr[6]; - int ret; + struct udevice *dev; + int off, ret; ret = eth_env_get_enetaddr("ethaddr", enetaddr); if (ret) /* ethaddr is already set */ return 0; - eeprom = ofnode_path("/soc/i2c@5c002000/eeprom@50"); - if (!ofnode_valid(eeprom)) { - printf("Invalid hardware path to EEPROM!\n"); - return -ENODEV; + off = fdt_path_offset(gd->fdt_blob, "eeprom0"); + if (off < 0) { + printf("%s: No eeprom0 path offset\n", __func__); + return off; } - ret = uclass_get_device_by_ofnode(UCLASS_I2C_EEPROM, eeprom, &dev); + ret = uclass_get_device_by_of_offset(UCLASS_I2C_EEPROM, off, &dev); if (ret) { printf("Cannot find EEPROM!\n"); return ret; |