主题中讨论的其他器件:SK-AM62A-LP
工具与软件:
尊敬的团队:
我们已根据 SK-AM62A-LP 参考设计设计设计了定制电路板。 在硬件启动阶段、我们的 SPL 在显示"SPL 初始堆栈使用情况:17064字节"后挂起。 我们已经遵循了 AM62Ax 启动提示 并验证了电源轨、该电源轨看起来运行正常。
DDR 器件型号没有变化、并且布局和布线与 SK-AM62A-LP 非常相似。 我们在 k3_ddrss.c 中添加了"#define DEBUG"并查看日志、发现 DDR 探针和 DDR 初始化没有问题。
您能帮助我们解决 DDR 问题吗?
U-Boot SPL 2023.04-dirty (Jul 11 2024 - 22:12:38 +0530)
SYSFW ABI: 3.1 (firmware rev 0x0009 '9.2.7--v09.02.07 (Kool Koala)')
k3_ddrss_probe(dev=43c34a2c)
k3_ddrss_ofdata_to_priv(dev=43c34a2c)
k3_ddrss memory-controller@f300000: ddr freq0 not populated, using bypass frequency.
k3_ddrss_power_on(ddrss=43c39a40)
k3_ddrss memory-controller@f300000: vtt-supply not found.
k3_lpddr4_probe: PASS
k3_lpddr4_init: PASS
--->>> LPDDR4 Initialization is in progress ... <<<---
k3_lpddr4_freq_update: received freq change req: req type = 2, req no. = 0, instance = 0
k3_lpddr4_freq_update: received freq change req: req type = 0, req no. = 1, instance = 0
k3_lpddr4_freq_update: received freq change req: req type = 2, req no. = 2, instance = 0
k3_lpddr4_freq_update: received freq change req: req type = 0, req no. = 3, instance = 0
k3_lpddr4_freq_update: received freq change req: req type = 2, req no. = 4, instance = 0
k3_lpddr4_start: Post start PASS
am62a_init: board_init_f done
SPL initial stack usage: 17064 bytes
此致、
Raveen
