src/soc/mediatek/mt8196/mtk_pwrsel.c

   1 /* SPDX-License-Identifier: GPL-2.0-only OR MIT */
   2
   3 #include <console/console.h>
   4 #include <device/mmio.h>
   5 #include <soc/mtk_pwrsel.h>
   6
   7 static void cpu_pwrsel_init(void)
   8 {
   9         write32p(MCUSYS_BASE + OFFSET_PWRSEL, VAL_PWRSEL);
  10         write32p(MCUSYS_BASE + OFFSET_PWRSEL_AUTO_MODE_CFG, VAL_PWRSEL_AUTO_MODE);
  11 }
  12
  13 static void gpu_pwrsel_init(void)
  14 {
  15         write32p(MFG_VCORE_AO_RPC_PWRSEL_CONFIG, GENMASK(14, 0));
  16 }
  17
  18 void pwrsel_init(void)
  19 {
  20         cpu_pwrsel_init();
  21         gpu_pwrsel_init();
  22
  23         /* PWR_SEL must be 0x0 */
  24         printk(BIOS_DEBUG, "PWR_SEL = %#x\n", read32p(MCUSYS_BASE + OFFSET_PWRSEL));
  25         /* PWRSEL_CONFIG must be 0x7fff */
  26         printk(BIOS_DEBUG, "PWRSEL_CONFIG = %#x\n", read32p(MFG_VCORE_AO_RPC_PWRSEL_CONFIG));
  27 }