/*
* Copyright (c) 2018 naehrwert
* Copyright (c) 2018-2020 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
#include
#include
#include
#include
//#define CONFIG_ENABLE_AHB_REDIRECT
void mc_config_tsec_carveout(u32 bom, u32 size1mb, bool lock)
{
MC(MC_SEC_CARVEOUT_BOM) = bom;
MC(MC_SEC_CARVEOUT_SIZE_MB) = size1mb;
if (lock)
MC(MC_SEC_CARVEOUT_REG_CTRL) = 1;
}
void mc_config_carveout()
{
*(vu32 *)0x8005FFFC = 0xC0EDBBCC;
MC(MC_VIDEO_PROTECT_GPU_OVERRIDE_0) = 1;
MC(MC_VIDEO_PROTECT_GPU_OVERRIDE_1) = 0;
MC(MC_VIDEO_PROTECT_BOM) = 0;
MC(MC_VIDEO_PROTECT_SIZE_MB) = 0;
MC(MC_VIDEO_PROTECT_REG_CTRL) = 1;
// Configure TSEC carveout @ 0x90000000, 1MB.
//mc_config_tsec_carveout(0x90000000, 1, false);
mc_config_tsec_carveout(0, 0, true);
MC(MC_MTS_CARVEOUT_BOM) = 0;
MC(MC_MTS_CARVEOUT_SIZE_MB) = 0;
MC(MC_MTS_CARVEOUT_ADR_HI) = 0;
MC(MC_MTS_CARVEOUT_REG_CTRL) = 1;
MC(MC_SECURITY_CARVEOUT1_BOM) = 0;
MC(MC_SECURITY_CARVEOUT1_BOM_HI) = 0;
MC(MC_SECURITY_CARVEOUT1_SIZE_128KB) = 0;
MC(MC_SECURITY_CARVEOUT1_CLIENT_ACCESS0) = 0;
MC(MC_SECURITY_CARVEOUT1_CLIENT_ACCESS1) = 0;
MC(MC_SECURITY_CARVEOUT1_CLIENT_ACCESS2) = 0;
MC(MC_SECURITY_CARVEOUT1_CLIENT_ACCESS3) = 0;
MC(MC_SECURITY_CARVEOUT1_CLIENT_ACCESS4) = 0;
MC(MC_SECURITY_CARVEOUT1_CLIENT_FORCE_INTERNAL_ACCESS0) = 0;
MC(MC_SECURITY_CARVEOUT1_CLIENT_FORCE_INTERNAL_ACCESS1) = 0;
MC(MC_SECURITY_CARVEOUT1_CLIENT_FORCE_INTERNAL_ACCESS2) = 0;
MC(MC_SECURITY_CARVEOUT1_CLIENT_FORCE_INTERNAL_ACCESS3) = 0;
MC(MC_SECURITY_CARVEOUT1_CLIENT_FORCE_INTERNAL_ACCESS4) = 0;
MC(MC_SECURITY_CARVEOUT1_CFG0) = 0x4000006;
MC(MC_SECURITY_CARVEOUT2_BOM) = 0x80020000;
MC(MC_SECURITY_CARVEOUT2_BOM_HI) = 0;
MC(MC_SECURITY_CARVEOUT2_SIZE_128KB) = 2;
MC(MC_SECURITY_CARVEOUT2_CLIENT_ACCESS0) = 0;
MC(MC_SECURITY_CARVEOUT2_CLIENT_ACCESS1) = 0;
MC(MC_SECURITY_CARVEOUT2_CLIENT_ACCESS2) = 0x3100000;
MC(MC_SECURITY_CARVEOUT2_CLIENT_ACCESS3) = 0;
MC(MC_SECURITY_CARVEOUT2_CLIENT_ACCESS4) = 0x300;
MC(MC_SECURITY_CARVEOUT2_CLIENT_FORCE_INTERNAL_ACCESS0) = 0;
MC(MC_SECURITY_CARVEOUT2_CLIENT_FORCE_INTERNAL_ACCESS1) = 0;
MC(MC_SECURITY_CARVEOUT2_CLIENT_FORCE_INTERNAL_ACCESS2) = 0;
MC(MC_SECURITY_CARVEOUT2_CLIENT_FORCE_INTERNAL_ACCESS3) = 0;
MC(MC_SECURITY_CARVEOUT2_CLIENT_FORCE_INTERNAL_ACCESS4) = 0;
MC(MC_SECURITY_CARVEOUT2_CFG0) = 0x440167E;
MC(MC_SECURITY_CARVEOUT3_BOM) = 0;
MC(MC_SECURITY_CARVEOUT3_BOM_HI) = 0;
MC(MC_SECURITY_CARVEOUT3_SIZE_128KB) = 0;
MC(MC_SECURITY_CARVEOUT3_CLIENT_ACCESS0) = 0;
MC(MC_SECURITY_CARVEOUT3_CLIENT_ACCESS1) = 0;
MC(MC_SECURITY_CARVEOUT3_CLIENT_ACCESS2) = 0x3000000;
MC(MC_SECURITY_CARVEOUT3_CLIENT_ACCESS3) = 0;
MC(MC_SECURITY_CARVEOUT3_CLIENT_ACCESS4) = 0x300;
MC(MC_SECURITY_CARVEOUT3_CLIENT_FORCE_INTERNAL_ACCESS0) = 0;
MC(MC_SECURITY_CARVEOUT3_CLIENT_FORCE_INTERNAL_ACCESS1) = 0;
MC(MC_SECURITY_CARVEOUT3_CLIENT_FORCE_INTERNAL_ACCESS2) = 0;
MC(MC_SECURITY_CARVEOUT3_CLIENT_FORCE_INTERNAL_ACCESS3) = 0;
MC(MC_SECURITY_CARVEOUT3_CLIENT_FORCE_INTERNAL_ACCESS4) = 0;
MC(MC_SECURITY_CARVEOUT3_CFG0) = 0x4401E7E;
MC(MC_SECURITY_CARVEOUT4_BOM) = 0;
MC(MC_SECURITY_CARVEOUT4_BOM_HI) = 0;
MC(MC_SECURITY_CARVEOUT4_SIZE_128KB) = 0;
MC(MC_SECURITY_CARVEOUT4_CLIENT_ACCESS0) = 0;
MC(MC_SECURITY_CARVEOUT4_CLIENT_ACCESS1) = 0;
MC(MC_SECURITY_CARVEOUT4_CLIENT_ACCESS2) = 0;
MC(MC_SECURITY_CARVEOUT4_CLIENT_ACCESS3) = 0;
MC(MC_SECURITY_CARVEOUT4_CLIENT_ACCESS4) = 0;
MC(MC_SECURITY_CARVEOUT4_CLIENT_FORCE_INTERNAL_ACCESS0) = 0;
MC(MC_SECURITY_CARVEOUT4_CLIENT_FORCE_INTERNAL_ACCESS1) = 0;
MC(MC_SECURITY_CARVEOUT4_CLIENT_FORCE_INTERNAL_ACCESS2) = 0;
MC(MC_SECURITY_CARVEOUT4_CLIENT_FORCE_INTERNAL_ACCESS3) = 0;
MC(MC_SECURITY_CARVEOUT4_CLIENT_FORCE_INTERNAL_ACCESS4) = 0;
MC(MC_SECURITY_CARVEOUT4_CFG0) = 0x8F;
MC(MC_SECURITY_CARVEOUT5_BOM) = 0;
MC(MC_SECURITY_CARVEOUT5_BOM_HI) = 0;
MC(MC_SECURITY_CARVEOUT5_SIZE_128KB) = 0;
MC(MC_SECURITY_CARVEOUT5_CLIENT_ACCESS0) = 0;
MC(MC_SECURITY_CARVEOUT5_CLIENT_ACCESS1) = 0;
MC(MC_SECURITY_CARVEOUT5_CLIENT_ACCESS2) = 0;
MC(MC_SECURITY_CARVEOUT5_CLIENT_ACCESS3) = 0;
MC(MC_SECURITY_CARVEOUT5_CLIENT_ACCESS4) = 0;
MC(MC_SECURITY_CARVEOUT5_CLIENT_FORCE_INTERNAL_ACCESS0) = 0;
MC(MC_SECURITY_CARVEOUT5_CLIENT_FORCE_INTERNAL_ACCESS1) = 0;
MC(MC_SECURITY_CARVEOUT5_CLIENT_FORCE_INTERNAL_ACCESS2) = 0;
MC(MC_SECURITY_CARVEOUT5_CLIENT_FORCE_INTERNAL_ACCESS3) = 0;
MC(MC_SECURITY_CARVEOUT5_CLIENT_FORCE_INTERNAL_ACCESS4) = 0;
MC(MC_SECURITY_CARVEOUT5_CFG0) = 0x8F;
}
void mc_enable_ahb_redirect()
{
// Enable ARC_CLK_OVR_ON.
CLOCK(CLK_RST_CONTROLLER_LVL2_CLK_GATE_OVRD) = (CLOCK(CLK_RST_CONTROLLER_LVL2_CLK_GATE_OVRD) & 0xFFF7FFFF) | 0x80000;
//MC(MC_IRAM_REG_CTRL) &= 0xFFFFFFFE;
MC(MC_IRAM_BOM) = 0x40000000;
MC(MC_IRAM_TOM) = 0x4003F000;
}
void mc_disable_ahb_redirect()
{
MC(MC_IRAM_BOM) = 0xFFFFF000;
MC(MC_IRAM_TOM) = 0;
// Disable IRAM_CFG_WRITE_ACCESS (sticky).
//MC(MC_IRAM_REG_CTRL) = MC(MC_IRAM_REG_CTRL) & 0xFFFFFFFE | 1;
// Disable ARC_CLK_OVR_ON.
CLOCK(CLK_RST_CONTROLLER_LVL2_CLK_GATE_OVRD) &= 0xFFF7FFFF;
}
void mc_enable()
{
// Reset EMC source to PLLP.
CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_EMC) = (CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_EMC) & 0x1FFFFFFF) | 0x40000000;
// Enable memory clocks.
CLOCK(CLK_RST_CONTROLLER_CLK_ENB_H_SET) = BIT(CLK_H_EMC);
CLOCK(CLK_RST_CONTROLLER_CLK_ENB_H_SET) = BIT(CLK_H_MEM);
CLOCK(CLK_RST_CONTROLLER_CLK_ENB_X_SET) = BIT(CLK_X_EMC_DLL);
// Clear clock resets for memory.
CLOCK(CLK_RST_CONTROLLER_RST_DEV_H_CLR) = BIT(CLK_H_EMC) | BIT(CLK_H_MEM);
usleep(5);
#ifdef CONFIG_ENABLE_AHB_REDIRECT
mc_enable_ahb_redirect();
#else
mc_disable_ahb_redirect();
#endif
}