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Change register values RK3399

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Posted at 11/22/2018 16:52:34     
Hi,

Following the Rockchip RK3399TRM datasheet, I'm looking to change the value of register 0xFF77E014 to a specific value (GRF in Address Mapping, offset 0xE014).
What are the possible ways to write to these registers?
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Posted at 11/30/2018 16:43:39     
If in uboot , use below
  1. +    writel(0x10001, 0xff770000 + 0xe640);
  2. +    reg = readl(0xff770000 + 0xe640);
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