mirror of
https://github.com/CTCaer/hekate.git
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174 lines
6.4 KiB
C
174 lines
6.4 KiB
C
/*
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* Copyright (c) 2018 naehrwert
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* Copyright (c) 2018-2022 CTCaer
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <memory_map.h>
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#include <mem/mc.h>
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#include <soc/timer.h>
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#include <soc/t210.h>
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#include <soc/clock.h>
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void mc_config_tsec_carveout(u32 bom, u32 size1mb, bool lock)
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{
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MC(MC_SEC_CARVEOUT_BOM) = bom;
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MC(MC_SEC_CARVEOUT_SIZE_MB) = size1mb;
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if (lock)
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MC(MC_SEC_CARVEOUT_REG_CTRL) = 1;
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}
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void mc_config_carveout()
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{
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*(vu32 *)0x8005FFFC = 0xC0EDBBCC;
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MC(MC_VIDEO_PROTECT_GPU_OVERRIDE_0) = 1;
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MC(MC_VIDEO_PROTECT_GPU_OVERRIDE_1) = 0;
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MC(MC_VIDEO_PROTECT_BOM) = 0;
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MC(MC_VIDEO_PROTECT_SIZE_MB) = 0;
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MC(MC_VIDEO_PROTECT_REG_CTRL) = 1;
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// Configure TSEC carveout @ 0x90000000, 1MB.
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//mc_config_tsec_carveout(0x90000000, 1, false);
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mc_config_tsec_carveout(0, 0, true);
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MC(MC_MTS_CARVEOUT_BOM) = 0;
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MC(MC_MTS_CARVEOUT_SIZE_MB) = 0;
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MC(MC_MTS_CARVEOUT_ADR_HI) = 0;
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MC(MC_MTS_CARVEOUT_REG_CTRL) = 1;
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MC(MC_SECURITY_CARVEOUT1_BOM) = 0;
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MC(MC_SECURITY_CARVEOUT1_BOM_HI) = 0;
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MC(MC_SECURITY_CARVEOUT1_SIZE_128KB) = 0;
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MC(MC_SECURITY_CARVEOUT1_CLIENT_ACCESS0) = 0;
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MC(MC_SECURITY_CARVEOUT1_CLIENT_ACCESS1) = 0;
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MC(MC_SECURITY_CARVEOUT1_CLIENT_ACCESS2) = 0;
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MC(MC_SECURITY_CARVEOUT1_CLIENT_ACCESS3) = 0;
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MC(MC_SECURITY_CARVEOUT1_CLIENT_ACCESS4) = 0;
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MC(MC_SECURITY_CARVEOUT1_CLIENT_FORCE_INTERNAL_ACCESS0) = 0;
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MC(MC_SECURITY_CARVEOUT1_CLIENT_FORCE_INTERNAL_ACCESS1) = 0;
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MC(MC_SECURITY_CARVEOUT1_CLIENT_FORCE_INTERNAL_ACCESS2) = 0;
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MC(MC_SECURITY_CARVEOUT1_CLIENT_FORCE_INTERNAL_ACCESS3) = 0;
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MC(MC_SECURITY_CARVEOUT1_CLIENT_FORCE_INTERNAL_ACCESS4) = 0;
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MC(MC_SECURITY_CARVEOUT1_CFG0) = 0x4000006;
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MC(MC_SECURITY_CARVEOUT2_BOM) = 0x80020000;
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MC(MC_SECURITY_CARVEOUT2_BOM_HI) = 0;
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MC(MC_SECURITY_CARVEOUT2_SIZE_128KB) = 2;
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MC(MC_SECURITY_CARVEOUT2_CLIENT_ACCESS0) = 0;
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MC(MC_SECURITY_CARVEOUT2_CLIENT_ACCESS1) = 0;
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MC(MC_SECURITY_CARVEOUT2_CLIENT_ACCESS2) = 0x3100000;
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MC(MC_SECURITY_CARVEOUT2_CLIENT_ACCESS3) = 0;
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MC(MC_SECURITY_CARVEOUT2_CLIENT_ACCESS4) = 0x300;
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MC(MC_SECURITY_CARVEOUT2_CLIENT_FORCE_INTERNAL_ACCESS0) = 0;
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MC(MC_SECURITY_CARVEOUT2_CLIENT_FORCE_INTERNAL_ACCESS1) = 0;
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MC(MC_SECURITY_CARVEOUT2_CLIENT_FORCE_INTERNAL_ACCESS2) = 0;
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MC(MC_SECURITY_CARVEOUT2_CLIENT_FORCE_INTERNAL_ACCESS3) = 0;
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MC(MC_SECURITY_CARVEOUT2_CLIENT_FORCE_INTERNAL_ACCESS4) = 0;
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MC(MC_SECURITY_CARVEOUT2_CFG0) = 0x440167E;
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MC(MC_SECURITY_CARVEOUT3_BOM) = 0;
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MC(MC_SECURITY_CARVEOUT3_BOM_HI) = 0;
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MC(MC_SECURITY_CARVEOUT3_SIZE_128KB) = 0;
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MC(MC_SECURITY_CARVEOUT3_CLIENT_ACCESS0) = 0;
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MC(MC_SECURITY_CARVEOUT3_CLIENT_ACCESS1) = 0;
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MC(MC_SECURITY_CARVEOUT3_CLIENT_ACCESS2) = 0x3000000;
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MC(MC_SECURITY_CARVEOUT3_CLIENT_ACCESS3) = 0;
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MC(MC_SECURITY_CARVEOUT3_CLIENT_ACCESS4) = 0x300;
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MC(MC_SECURITY_CARVEOUT3_CLIENT_FORCE_INTERNAL_ACCESS0) = 0;
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MC(MC_SECURITY_CARVEOUT3_CLIENT_FORCE_INTERNAL_ACCESS1) = 0;
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MC(MC_SECURITY_CARVEOUT3_CLIENT_FORCE_INTERNAL_ACCESS2) = 0;
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MC(MC_SECURITY_CARVEOUT3_CLIENT_FORCE_INTERNAL_ACCESS3) = 0;
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MC(MC_SECURITY_CARVEOUT3_CLIENT_FORCE_INTERNAL_ACCESS4) = 0;
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MC(MC_SECURITY_CARVEOUT3_CFG0) = 0x4401E7E;
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MC(MC_SECURITY_CARVEOUT4_BOM) = 0;
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MC(MC_SECURITY_CARVEOUT4_BOM_HI) = 0;
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MC(MC_SECURITY_CARVEOUT4_SIZE_128KB) = 0;
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MC(MC_SECURITY_CARVEOUT4_CLIENT_ACCESS0) = 0;
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MC(MC_SECURITY_CARVEOUT4_CLIENT_ACCESS1) = 0;
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MC(MC_SECURITY_CARVEOUT4_CLIENT_ACCESS2) = 0;
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MC(MC_SECURITY_CARVEOUT4_CLIENT_ACCESS3) = 0;
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MC(MC_SECURITY_CARVEOUT4_CLIENT_ACCESS4) = 0;
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MC(MC_SECURITY_CARVEOUT4_CLIENT_FORCE_INTERNAL_ACCESS0) = 0;
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MC(MC_SECURITY_CARVEOUT4_CLIENT_FORCE_INTERNAL_ACCESS1) = 0;
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MC(MC_SECURITY_CARVEOUT4_CLIENT_FORCE_INTERNAL_ACCESS2) = 0;
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MC(MC_SECURITY_CARVEOUT4_CLIENT_FORCE_INTERNAL_ACCESS3) = 0;
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MC(MC_SECURITY_CARVEOUT4_CLIENT_FORCE_INTERNAL_ACCESS4) = 0;
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MC(MC_SECURITY_CARVEOUT4_CFG0) = 0x8F;
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MC(MC_SECURITY_CARVEOUT5_BOM) = 0;
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MC(MC_SECURITY_CARVEOUT5_BOM_HI) = 0;
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MC(MC_SECURITY_CARVEOUT5_SIZE_128KB) = 0;
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MC(MC_SECURITY_CARVEOUT5_CLIENT_ACCESS0) = 0;
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MC(MC_SECURITY_CARVEOUT5_CLIENT_ACCESS1) = 0;
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MC(MC_SECURITY_CARVEOUT5_CLIENT_ACCESS2) = 0;
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MC(MC_SECURITY_CARVEOUT5_CLIENT_ACCESS3) = 0;
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MC(MC_SECURITY_CARVEOUT5_CLIENT_ACCESS4) = 0;
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MC(MC_SECURITY_CARVEOUT5_CLIENT_FORCE_INTERNAL_ACCESS0) = 0;
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MC(MC_SECURITY_CARVEOUT5_CLIENT_FORCE_INTERNAL_ACCESS1) = 0;
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MC(MC_SECURITY_CARVEOUT5_CLIENT_FORCE_INTERNAL_ACCESS2) = 0;
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MC(MC_SECURITY_CARVEOUT5_CLIENT_FORCE_INTERNAL_ACCESS3) = 0;
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MC(MC_SECURITY_CARVEOUT5_CLIENT_FORCE_INTERNAL_ACCESS4) = 0;
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MC(MC_SECURITY_CARVEOUT5_CFG0) = 0x8F;
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}
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void mc_enable_ahb_redirect()
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{
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// Enable ARC_CLK_OVR_ON.
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CLOCK(CLK_RST_CONTROLLER_LVL2_CLK_GATE_OVRD) |= BIT(19);
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//MC(MC_IRAM_REG_CTRL) &= ~BIT(0);
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MC(MC_IRAM_BOM) = IRAM_BASE;
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MC(MC_IRAM_TOM) = DRAM_START; // Default is only IRAM: 0x4003F000.
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}
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void mc_disable_ahb_redirect()
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{
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MC(MC_IRAM_BOM) = 0xFFFFF000;
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MC(MC_IRAM_TOM) = 0;
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// Disable IRAM_CFG_WRITE_ACCESS (sticky).
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//MC(MC_IRAM_REG_CTRL) |= BIT(0);
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// Disable ARC_CLK_OVR_ON.
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CLOCK(CLK_RST_CONTROLLER_LVL2_CLK_GATE_OVRD) &= ~BIT(19);
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}
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bool mc_client_has_access(void *address)
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{
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// Check if address is in DRAM or if arbitration for IRAM is enabled.
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if ((u32)address >= DRAM_START)
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return true; // Access by default.
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else if ((u32)address >= IRAM_BASE && MC(MC_IRAM_BOM) == IRAM_BASE)
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return true; // Access by AHB arbitration.
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// No access to address space.
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return false;
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}
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void mc_enable()
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{
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// Reset EMC source to PLLP.
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CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_EMC) = (CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_EMC) & 0x1FFFFFFF) | (2 << 29);
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// Enable memory clocks.
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CLOCK(CLK_RST_CONTROLLER_CLK_ENB_H_SET) = BIT(CLK_H_EMC);
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CLOCK(CLK_RST_CONTROLLER_CLK_ENB_H_SET) = BIT(CLK_H_MEM);
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CLOCK(CLK_RST_CONTROLLER_CLK_ENB_X_SET) = BIT(CLK_X_EMC_DLL);
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// Clear clock resets for memory.
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CLOCK(CLK_RST_CONTROLLER_RST_DEV_H_CLR) = BIT(CLK_H_EMC) | BIT(CLK_H_MEM);
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usleep(5);
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#ifdef BDK_MC_ENABLE_AHB_REDIRECT
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mc_enable_ahb_redirect();
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#else
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mc_disable_ahb_redirect();
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#endif
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}
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