Re: Re: [Rock Pi 4+] Mainline LPDDR4 RAM initialisation is not sufficient to boot successfully

Could you help us to get the DRAM part number which initialization failures on the Rock Pi 4+. We have found that some LPDDR4 abnormal operation at 50MHz. I think you can try that use 400MHz to detect capacity. diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk33

Re: [U-Boot] [PATCH v4 00/33] dm: Introduce Rockchip RK3288 support

*, void *); void irq_free_handler (int); void enable_interrupts (void); int disable_interrupts (void); Regards, 蔡文忠（CWZ） c...@rock-chips.com 电话：+86-0591-83991906转8090 福州瑞芯微电子有限公司 Fuzhou Rockchip Electronics Co.Ltd 地址：福建省福州市铜盘路软件大道89号软件园A区21号楼 (350003) Addr : No. 21 Building, A District, No

Re: [U-Boot] [PATCH v4 00/33] dm: Introduce Rockchip RK3288 support

x27;t a good idea if I want to upstream rockchip interrupt driver, do you have any suggestion? Regards, 蔡文忠（CWZ） c...@rock-chips.com 电话：+86-0591-83991906转8090 福州瑞芯微电子有限公司 Fuzhou Rockchip Electronics Co.Ltd 地址：福建省福州市铜盘路软件大道89号软件园A区21号楼 (350003) Addr : No. 21 Building, A District, No.89,sof