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[v2,11/13] smegw01: Read the second MAC address

Message ID 20230421105656.1062558-11-festevam@gmail.com
State Superseded
Delegated to: Stefano Babic
Headers show
Series [v2,01/13] smegw01: Enable setting additional boot params | expand

Commit Message

Fabio Estevam April 21, 2023, 10:56 a.m. UTC 
From: Fabio Estevam <festevam@denx.de>

Currently, only the first MAC address is read from the fuses.

The second MAC address is not read and Linux assigns a random one.

To prevent this behavior, read the second MAC address from the fuses
and store it into the eth1addr environment variable so that it
can be passed to Linux.

Signed-off-by: Fabio Estevam <festevam@denx.de>
---
Changes since v1:
- Fixed typo in the Subject "smegw01".

 board/storopack/smegw01/smegw01.c | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/board/storopack/smegw01/smegw01.c b/board/storopack/smegw01/smegw01.c
index e786429476..605253ead3 100644
--- a/board/storopack/smegw01/smegw01.c
+++ b/board/storopack/smegw01/smegw01.c
@@ -82,6 +82,7 @@  int board_init(void)
 int board_late_init(void)
 {
 	struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
+	unsigned char eth1addr[6];
 
 	imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
 
@@ -93,6 +94,11 @@  int board_late_init(void)
 	 */
 	clrsetbits_le16(&wdog->wcr, 0, 0x10);
 
+	/* Get the second MAC address */
+	imx_get_mac_from_fuse(1, eth1addr);
+	if (!env_get("eth1addr") && is_valid_ethaddr(eth1addr))
+		eth_env_set_enetaddr("eth1addr", eth1addr);
+
 	return 0;
 }