/* SPDX-License-Identifier: GPL-2.0-only */ #include <console/console.h> #include <device/mmio.h> #include <soc/apusys.h> #include <soc/infracfg.h> /* INFRA2APU_SRAM_PROT_EN */ DEFINE_BITFIELD(PROT_EN, 31, 30) /* MBOX Functional Configuration */ DEFINE_BITFIELD(LOCK, 0, 0) DEFINE_BITFIELD(NO_MPU, 16, 16) static void dump_apusys_reg(void) { int i; printk(BIOS_INFO, "INFRA2APU_SRAM_PROT_EN %p = %#x\n", (void *)&mt8192_infracfg->infra_ao_mm_hang_free, read32(&mt8192_infracfg->infra_ao_mm_hang_free)); for (i = 0; i < ARRAY_SIZE(mt8192_apu_mbox); i++) { printk(BIOS_INFO, "APU_MBOX %p = %#x\n", (void *)&mt8192_apu_mbox[i]->mbox_func_cfg, read32(&mt8192_apu_mbox[i]->mbox_func_cfg)); } } void apusys_init(void) { int i; SET32_BITFIELDS(&mt8192_infracfg->infra_ao_mm_hang_free, PROT_EN, 0); /* Setup MBOX MPU for non secure access */ for (i = 0; i < ARRAY_SIZE(mt8192_apu_mbox); i++) SET32_BITFIELDS(&mt8192_apu_mbox[i]->mbox_func_cfg, NO_MPU, 1, LOCK, 1); dump_apusys_reg(); }