mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-09-20 14:03:25 +01:00
378 lines
23 KiB
C++
378 lines
23 KiB
C++
/*
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* Copyright (c) Atmosphère-NX
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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 <exosphere.hpp>
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#include "fusee_secure_initialize.hpp"
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#include "../fusee_registers_di.hpp"
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namespace ams::nxboot {
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namespace {
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constexpr inline const uintptr_t CLKRST = secmon::MemoryRegionPhysicalDeviceClkRst.GetAddress();
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constexpr inline const uintptr_t PMC = secmon::MemoryRegionPhysicalDevicePmc.GetAddress();
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constexpr inline const uintptr_t MC = secmon::MemoryRegionPhysicalDeviceMemoryController.GetAddress();
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constexpr inline const uintptr_t APB = secmon::MemoryRegionPhysicalDeviceApbMisc.GetAddress();
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constexpr inline const uintptr_t AHB = AHB_ARBC(0);
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constexpr inline const uintptr_t I2S = I2S_REG(0);
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constexpr inline const uintptr_t DISP1 = secmon::MemoryRegionPhysicalDeviceDisp1.GetAddress();
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constexpr inline const uintptr_t VIC = secmon::MemoryRegionPhysicalDeviceDsi.GetAddress() + 0x40000;
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constexpr inline const uintptr_t TIMER = secmon::MemoryRegionPhysicalDeviceTimer.GetAddress();
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constexpr inline const uintptr_t SYSCTR0 = secmon::MemoryRegionPhysicalDeviceSysCtr0.GetAddress();
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void DoRcmWorkaround(const void *sbk, size_t sbk_size) {
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/* Set the SBK inside the security engine. */
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se::SetAesKey(pkg1::AesKeySlot_SecureBoot, sbk, sbk_size);
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/* Lock the SBK/SSK as unreadable. */
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se::LockAesKeySlot(pkg1::AesKeySlot_SecureBoot, se::KeySlotLockFlags_KeyRead);
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se::LockAesKeySlot(pkg1::AesKeySlot_SecureStorage, se::KeySlotLockFlags_KeyRead);
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/* Clear TZRAM. */
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std::memset(secmon::MemoryRegionPhysicalTzram.GetPointer(), 0, secmon::MemoryRegionPhysicalTzram.GetSize());
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/* Clear APBDEV_PMC_CRYPTO_OP. */
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reg::Write(PMC + APBDEV_PMC_CRYPTO_OP, 0);
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/* Clear the boot reason. */
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reg::Write(PMC + APBDEV_PMC_SCRATCH200, 0);
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reg::Write(PMC + APBDEV_PMC_CRYPTO_OP, 0);
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/* Clear OBS_OVERRIDE/APB2JTAG_OVERRIDE */
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reg::ReadWrite(AHB + AHB_AHB_SPARE_REG, AHB_REG_BITS_ENUM(AHB_SPARE_REG_OBS_OVERRIDE_EN, DISABLE),
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AHB_REG_BITS_ENUM(AHB_SPARE_REG_APB2JTAG_OVERRIDE_EN, DISABLE));
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/* Clear low bits of APBDEV_PMC_SCRATCH49 */
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reg::ClearBits(PMC + APBDEV_PMC_SCRATCH49, 0x3);
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}
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void DoMbistWorkaround() {
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/* Enable AHUB/APE clock prior to I2S accesses. */
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reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_CLK_OUT_ENB_V, CLK_RST_REG_BITS_ENUM(CLK_ENB_V_CLK_ENB_AHUB, ENABLE));
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reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_CLK_OUT_ENB_Y, CLK_RST_REG_BITS_ENUM(CLK_ENB_Y_CLK_ENB_APE, ENABLE));
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/* Configure CLK_RST_CONTROLLER_CLK_SOURCE_SOR1. */
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reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_CLK_SOURCE_SOR1, CLK_RST_REG_BITS_ENUM(CLK_SOURCE_SOR1_SOR1_CLK_SEL0, MUX),
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CLK_RST_REG_BITS_ENUM(CLK_SOURCE_SOR1_SOR1_CLK_SEL1, SOR1_CLOCK_SWITCH));
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/* Set CSI clock source as PLLD. */
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reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_PLLD_BASE, CLK_RST_REG_BITS_ENUM(PLLD_BASE_PLLD_ENABLE, ENABLE),
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CLK_RST_REG_BITS_ENUM(PLLD_BASE_CSI_CLK_SRC, PLL_D));
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/* Clear APE, VIC, HOST1X, DISP1 reset. */
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reg::Write(CLKRST + CLK_RST_CONTROLLER_RST_DEV_Y_CLR, CLK_RST_REG_BITS_ENUM(RST_DEV_Y_APE_RST, ENABLE));
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reg::Write(CLKRST + CLK_RST_CONTROLLER_RST_DEV_X_CLR, CLK_RST_REG_BITS_ENUM(RST_DEV_X_VIC_RST, ENABLE));
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reg::Write(CLKRST + CLK_RST_CONTROLLER_RST_DEV_L_CLR, CLK_RST_REG_BITS_ENUM(RST_DEV_L_DISP1_RST, ENABLE), CLK_RST_REG_BITS_ENUM(RST_DEV_L_HOST1X_RST, ENABLE));
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/* Wait two microseconds for the devices to come out of reset. */
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util::WaitMicroSeconds(2);
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/* Set I2S_CTRL.MASTER and clear I2S_CG.SCLG_ENABLE for all I2S registers. */
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reg::ReadWrite(I2S + I2S0_I2S_CTRL, I2S_REG_BITS_ENUM(I2S_CTRL_MASTER, ENABLE));
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reg::ReadWrite(I2S + I2S0_I2S_CG, I2S_REG_BITS_ENUM(I2S_CG_SLCG_ENABLE, FALSE));
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reg::ReadWrite(I2S + I2S1_I2S_CTRL, I2S_REG_BITS_ENUM(I2S_CTRL_MASTER, ENABLE));
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reg::ReadWrite(I2S + I2S1_I2S_CG, I2S_REG_BITS_ENUM(I2S_CG_SLCG_ENABLE, FALSE));
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reg::ReadWrite(I2S + I2S2_I2S_CTRL, I2S_REG_BITS_ENUM(I2S_CTRL_MASTER, ENABLE));
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reg::ReadWrite(I2S + I2S2_I2S_CG, I2S_REG_BITS_ENUM(I2S_CG_SLCG_ENABLE, FALSE));
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reg::ReadWrite(I2S + I2S3_I2S_CTRL, I2S_REG_BITS_ENUM(I2S_CTRL_MASTER, ENABLE));
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reg::ReadWrite(I2S + I2S3_I2S_CG, I2S_REG_BITS_ENUM(I2S_CG_SLCG_ENABLE, FALSE));
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reg::ReadWrite(I2S + I2S4_I2S_CTRL, I2S_REG_BITS_ENUM(I2S_CTRL_MASTER, ENABLE));
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reg::ReadWrite(I2S + I2S4_I2S_CG, I2S_REG_BITS_ENUM(I2S_CG_SLCG_ENABLE, FALSE));
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/* Set DC_COM_DSC_TOP_CTL.DSC_SLG_OVERRIDE */
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reg::SetBits(DISP1 + DC_COM_DSC_TOP_CTL * sizeof(u32), 0x4);
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/* Set NV_PVIC_THI_SLCG_OVERRIDE_LOW_A */
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reg::SetBits(VIC + NV_PVIC_THI_SLCG_OVERRIDE_LOW_A, 0xFFFFFFFF);
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/* Wait two microseconds for configuration to take. */
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util::WaitMicroSeconds(2);
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/* Set APE, VIC, HOST1X, DISP1 reset. */
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reg::Write(CLKRST + CLK_RST_CONTROLLER_RST_DEV_Y_SET, CLK_RST_REG_BITS_ENUM(RST_DEV_Y_APE_RST, ENABLE));
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reg::Write(CLKRST + CLK_RST_CONTROLLER_RST_DEV_L_SET, CLK_RST_REG_BITS_ENUM(RST_DEV_L_DISP1_RST, ENABLE), CLK_RST_REG_BITS_ENUM(RST_DEV_L_HOST1X_RST, ENABLE));
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reg::Write(CLKRST + CLK_RST_CONTROLLER_RST_DEV_X_SET, CLK_RST_REG_BITS_ENUM(RST_DEV_X_VIC_RST, ENABLE));
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/* Set clock enable for a select few devices. */
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reg::Write(CLKRST + CLK_RST_CONTROLLER_CLK_OUT_ENB_H, CLK_RST_REG_BITS_ENUM(CLK_ENB_H_CLK_ENB_FUSE, ENABLE),
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CLK_RST_REG_BITS_ENUM(CLK_ENB_H_CLK_ENB_PMC, ENABLE));
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reg::Write(CLKRST + CLK_RST_CONTROLLER_CLK_OUT_ENB_L, CLK_RST_REG_BITS_ENUM(CLK_ENB_L_CLK_ENB_CACHE2, ENABLE),
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CLK_RST_REG_BITS_ENUM(CLK_ENB_L_CLK_ENB_GPIO, ENABLE),
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CLK_RST_REG_BITS_ENUM(CLK_ENB_L_CLK_ENB_TMR, ENABLE),
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CLK_RST_REG_BITS_ENUM(CLK_ENB_L_CLK_ENB_RTC, ENABLE));
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reg::Write(CLKRST + CLK_RST_CONTROLLER_CLK_OUT_ENB_U, CLK_RST_REG_BITS_ENUM(CLK_ENB_U_CLK_ENB_CRAM2, ENABLE),
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CLK_RST_REG_BITS_ENUM(CLK_ENB_U_CLK_ENB_IRAMD, ENABLE),
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CLK_RST_REG_BITS_ENUM(CLK_ENB_U_CLK_ENB_IRAMC, ENABLE),
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CLK_RST_REG_BITS_ENUM(CLK_ENB_U_CLK_ENB_IRAMB, ENABLE),
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CLK_RST_REG_BITS_ENUM(CLK_ENB_U_CLK_ENB_IRAMA, ENABLE),
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CLK_RST_REG_BITS_ENUM(CLK_ENB_U_CLK_ENB_CSITE, ENABLE));
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reg::Write(CLKRST + CLK_RST_CONTROLLER_CLK_OUT_ENB_V, CLK_RST_REG_BITS_ENUM(CLK_ENB_V_CLK_ENB_SE, ENABLE),
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CLK_RST_REG_BITS_ENUM(CLK_ENB_V_CLK_ENB_SPDIF_DOUBLER, ENABLE),
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CLK_RST_REG_BITS_ENUM(CLK_ENB_V_CLK_ENB_APB2APE, ENABLE),
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CLK_RST_REG_BITS_ENUM(CLK_ENB_V_CLK_ENB_MSELECT, ENABLE));
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reg::Write(CLKRST + CLK_RST_CONTROLLER_CLK_OUT_ENB_W, CLK_RST_REG_BITS_ENUM(CLK_ENB_W_CLK_ENB_MC1, ENABLE),
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CLK_RST_REG_BITS_ENUM(CLK_ENB_W_CLK_ENB_ENTROPY, ENABLE),
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CLK_RST_REG_BITS_ENUM(CLK_ENB_W_CLK_ENB_PCIERX5, ENABLE),
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CLK_RST_REG_BITS_ENUM(CLK_ENB_W_CLK_ENB_PCIERX4, ENABLE),
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CLK_RST_REG_BITS_ENUM(CLK_ENB_W_CLK_ENB_PCIERX3, ENABLE),
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CLK_RST_REG_BITS_ENUM(CLK_ENB_W_CLK_ENB_PCIERX2, ENABLE),
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CLK_RST_REG_BITS_ENUM(CLK_ENB_W_CLK_ENB_PCIERX1, ENABLE),
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CLK_RST_REG_BITS_ENUM(CLK_ENB_W_CLK_ENB_PCIERX0, ENABLE));
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reg::Write(CLKRST + CLK_RST_CONTROLLER_CLK_OUT_ENB_X, CLK_RST_REG_BITS_ENUM(CLK_ENB_X_CLK_ENB_PLLG_REF, ENABLE),
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CLK_RST_REG_BITS_ENUM(CLK_ENB_X_CLK_ENB_DBGAPB, ENABLE),
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CLK_RST_REG_BITS_ENUM(CLK_ENB_X_CLK_ENB_GPU, ENABLE),
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CLK_RST_REG_BITS_ENUM(CLK_ENB_X_CLK_ENB_MC_BBC, ENABLE),
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CLK_RST_REG_BITS_ENUM(CLK_ENB_X_CLK_ENB_MC_CPU, ENABLE),
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CLK_RST_REG_BITS_ENUM(CLK_ENB_X_CLK_ENB_MC_CBPA, ENABLE),
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CLK_RST_REG_BITS_ENUM(CLK_ENB_X_CLK_ENB_MC_CAPA, ENABLE));
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reg::Write(CLKRST + CLK_RST_CONTROLLER_CLK_OUT_ENB_Y, CLK_RST_REG_BITS_ENUM(CLK_ENB_Y_CLK_ENB_MC_CDPA, ENABLE),
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CLK_RST_REG_BITS_ENUM(CLK_ENB_Y_CLK_ENB_MC_CCPA, ENABLE));
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/* Clear all LVL2 clock gate overrides to zero. */
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reg::Write(CLKRST + CLK_RST_CONTROLLER_LVL2_CLK_GATE_OVRA, 0);
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reg::Write(CLKRST + CLK_RST_CONTROLLER_LVL2_CLK_GATE_OVRB, 0);
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reg::Write(CLKRST + CLK_RST_CONTROLLER_LVL2_CLK_GATE_OVRC, 0);
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reg::Write(CLKRST + CLK_RST_CONTROLLER_LVL2_CLK_GATE_OVRD, 0);
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reg::Write(CLKRST + CLK_RST_CONTROLLER_LVL2_CLK_GATE_OVRE, 0);
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/* Reset CSI clock source. */
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reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_PLLD_BASE, CLK_RST_REG_BITS_ENUM(PLLD_BASE_PLLD_BYPASS, DISABLE),
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CLK_RST_REG_BITS_ENUM(PLLD_BASE_PLLD_ENABLE, DISABLE),
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CLK_RST_REG_BITS_ENUM(PLLD_BASE_PLLD_REF_DIS, REF_ENABLE),
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CLK_RST_REG_BITS_ENUM(PLLD_BASE_CSI_CLK_SRC, BRICK));
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/* Configure CLK_RST_CONTROLLER_CLK_SOURCE_SOR1. */
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reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_CLK_SOURCE_SOR1, CLK_RST_REG_BITS_ENUM(CLK_SOURCE_SOR1_SOR1_CLK_SEL0, MUX),
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CLK_RST_REG_BITS_ENUM(CLK_SOURCE_SOR1_SOR1_CLK_SEL1, SAFE_CLOCK));
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/* Configure VI, HOST1X, NVENC clock sources. */
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reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_CLK_SOURCE_VI, CLK_RST_REG_BITS_ENUM(CLK_SOURCE_VI_VI_CLK_SRC, PLLP_OUT0));
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reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_CLK_SOURCE_HOST1X, CLK_RST_REG_BITS_ENUM(CLK_SOURCE_HOST1X_HOST1X_CLK_SRC, PLLP_OUT0));
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reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_CLK_SOURCE_NVENC, CLK_RST_REG_BITS_ENUM(CLK_SOURCE_NVENC_NVENC_CLK_SRC, PLLP_OUT0));
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}
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void EnableArc() {
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/* Enable clocks for EMC/MC, using PLLP_OUT0. */
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reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_CLK_SOURCE_EMC, CLK_RST_REG_BITS_ENUM(CLK_SOURCE_EMC_EMC_2X_CLK_SRC, PLLP_OUT0));
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reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_CLK_ENB_H_SET, CLK_RST_REG_BITS_ENUM(CLK_ENB_H_CLK_ENB_EMC, ENABLE));
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reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_CLK_ENB_H_SET, CLK_RST_REG_BITS_ENUM(CLK_ENB_H_CLK_ENB_MEM, ENABLE));
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reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_CLK_ENB_X_SET, CLK_RST_REG_BITS_ENUM(CLK_ENB_X_CLK_ENB_EMC_DLL, ENABLE));
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/* Clear reset for MEM/EMC. */
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reg::Write(CLKRST + CLK_RST_CONTROLLER_RST_DEV_H_CLR, CLK_RST_REG_BITS_ENUM(RST_DEV_H_EMC_RST, ENABLE),
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CLK_RST_REG_BITS_ENUM(RST_DEV_H_MEM_RST, ENABLE));
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/* Wait 5 microseconds for configuration to take. */
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util::WaitMicroSeconds(5);
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/* Enable ARC_CLK_OVR_ON. */
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reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_LVL2_CLK_GATE_OVRD, CLK_RST_REG_BITS_ENUM(LVL2_CLK_GATE_OVRD_ARC_CLK_OVR_ON, ON));
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/* Enable the ARC. */
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reg::ReadWrite(MC + MC_IRAM_REG_CTRL, MC_REG_BITS_ENUM(IRAM_REG_CTRL_IRAM_CFG_WRITE_ACCESS, ENABLED));
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/* Set IRAM BOM/TOP to open up access to all mmio. */
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reg::Write(MC + MC_IRAM_BOM, 0x40000000);
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reg::Write(MC + MC_IRAM_TOM, 0x80000000);
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/* Read to ensure our configuration takes. */
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reg::Read(MC + MC_IRAM_REG_CTRL);
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}
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void InitializeClock() {
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/* Set SPARE_REG0 clock divisor 2. */
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reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_SPARE_REG0, CLK_RST_REG_BITS_ENUM(SPARE_REG0_CLK_M_DIVISOR, CLK_M_DIVISOR2));
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/* Set system counter frequency. */
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reg::Write(SYSCTR0 + SYSCTR0_CNTFID0, 19'200'000);
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/* Restore TIMERUS config to 19.2 MHz. */
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reg::Write(TIMER + TIMERUS_USEC_CFG, TIMER_REG_BITS_VALUE(USEC_CFG_USEC_DIVIDEND, 5 - 1),
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TIMER_REG_BITS_VALUE(USEC_CFG_USEC_DIVISOR, 96 - 1));
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/* Enable the crystal oscillator, and copy the drive strength from pmc. */
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reg::Write(CLKRST + CLK_RST_CONTROLLER_OSC_CTRL, CLK_RST_REG_BITS_ENUM (OSC_CTRL_OSC_FREQ, OSC38P4),
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CLK_RST_REG_BITS_ENUM (OSC_CTRL_XOE, ENABLE),
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CLK_RST_REG_BITS_VALUE(OSC_CTRL_XOFS, 7));
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/* Set the crystal oscillator value in PMC. */
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reg::ReadWrite(PMC + APBDEV_PMC_OSC_EDPD_OVER, PMC_REG_BITS_VALUE(OSC_EDPD_OVER_XOFS, 7));
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/* Configure the crystal oscillator to use PMC value on warmboot. */
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reg::ReadWrite(PMC + APBDEV_PMC_OSC_EDPD_OVER, PMC_REG_BITS_ENUM(OSC_EDPD_OVER_OSC_CTRL_SELECT, PMC));
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/* Set HOLD_CKE_LOW_EN. */
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reg::ReadWrite(PMC + APBDEV_PMC_CNTRL2, PMC_REG_BITS_ENUM(CNTRL2_HOLD_CKE_LOW_EN, ENABLE));
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/* Set CFG2TMC_RAM_SVOP_PDP to 2. */
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/* NOTE: Nintendo acidentally writes this to the PMC instead of the APB due to a bug. */
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reg::ReadWrite(APB + APB_MISC_GP_ASDBGREG, APB_MISC_REG_BITS_VALUE(GP_ASDBGREG_CFG2TMC_RAM_SVOP_PDP, 2));
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/* Set CLK_SYSTEM_RATE. */
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reg::Write(CLKRST + CLK_RST_CONTROLLER_CLK_SYSTEM_RATE, CLK_RST_REG_BITS_VALUE(CLK_SYSTEM_RATE_HCLK_DIS, 0),
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CLK_RST_REG_BITS_VALUE(CLK_SYSTEM_RATE_AHB_RATE, 1),
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CLK_RST_REG_BITS_VALUE(CLK_SYSTEM_RATE_PCLK_DIS, 0),
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CLK_RST_REG_BITS_VALUE(CLK_SYSTEM_RATE_APB_RATE, 0));
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/* Configure PLLMB_BASE. */
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reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_PLLMB_BASE, CLK_RST_REG_BITS_ENUM(PLLMB_BASE_PLLMB_ENABLE, DISABLE));
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/* Configure TSC_MULT. */
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constexpr u32 TscMultValue = 19'200'000 * 16 / 32768;
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reg::ReadWrite(PMC + APBDEV_PMC_TSC_MULT, PMC_REG_BITS_VALUE(TSC_MULT_MULT_VAL, TscMultValue));
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/* Configure SCLK_BURST_POLICY */
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reg::Write(CLKRST + CLK_RST_CONTROLLER_SCLK_BURST_POLICY, CLK_RST_REG_BITS_ENUM(SCLK_BURST_POLICY_SYS_STATE, RUN),
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CLK_RST_REG_BITS_ENUM(SCLK_BURST_POLICY_COP_AUTO_SWAKEUP_FROM_FIQ, NOP),
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CLK_RST_REG_BITS_ENUM(SCLK_BURST_POLICY_CPU_AUTO_SWAKEUP_FROM_FIQ, NOP),
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CLK_RST_REG_BITS_ENUM(SCLK_BURST_POLICY_COP_AUTO_SWAKEUP_FROM_IRQ, NOP),
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CLK_RST_REG_BITS_ENUM(SCLK_BURST_POLICY_CPU_AUTO_SWAKEUP_FROM_IRQ, NOP),
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CLK_RST_REG_BITS_ENUM(SCLK_BURST_POLICY_SWAKEUP_FIQ_SOURCE, PLLP_OUT2),
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CLK_RST_REG_BITS_ENUM(SCLK_BURST_POLICY_SWAKEUP_IRQ_SOURCE, PLLP_OUT2),
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CLK_RST_REG_BITS_ENUM(SCLK_BURST_POLICY_SWAKEUP_RUN_SOURCE, PLLP_OUT2),
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CLK_RST_REG_BITS_ENUM(SCLK_BURST_POLICY_SWAKEUP_IDLE_SOURCE, PLLP_OUT2));
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/* Configure SUPER_SCLK_DIVIDER */
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reg::Write(CLKRST + CLK_RST_CONTROLLER_SUPER_SCLK_DIVIDER, CLK_RST_REG_BITS_ENUM (SUPER_SCLK_DIVIDER_SUPER_SDIV_ENB, ENABLE),
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CLK_RST_REG_BITS_ENUM (SUPER_SCLK_DIVIDER_SUPER_SDIV_DIS_FROM_COP_FIQ, NOP),
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CLK_RST_REG_BITS_ENUM (SUPER_SCLK_DIVIDER_SUPER_SDIV_DIS_FROM_CPU_FIQ, NOP),
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CLK_RST_REG_BITS_ENUM (SUPER_SCLK_DIVIDER_SUPER_SDIV_DIS_FROM_COP_IRQ, NOP),
|
|
CLK_RST_REG_BITS_ENUM (SUPER_SCLK_DIVIDER_SUPER_SDIV_DIS_FROM_CPU_IRQ, NOP),
|
|
CLK_RST_REG_BITS_VALUE(SUPER_SCLK_DIVIDER_SUPER_SDIV_DIVIDEND, 0),
|
|
CLK_RST_REG_BITS_VALUE(SUPER_SCLK_DIVIDER_SUPER_SDIV_DIVISOR, 0));
|
|
|
|
/* Set CLK_SYSTEM_RATE */
|
|
reg::Write(CLKRST + CLK_RST_CONTROLLER_CLK_SYSTEM_RATE, CLK_RST_REG_BITS_VALUE(CLK_SYSTEM_RATE_HCLK_DIS, 0),
|
|
CLK_RST_REG_BITS_VALUE(CLK_SYSTEM_RATE_AHB_RATE, 0),
|
|
CLK_RST_REG_BITS_VALUE(CLK_SYSTEM_RATE_PCLK_DIS, 0),
|
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CLK_RST_REG_BITS_VALUE(CLK_SYSTEM_RATE_APB_RATE, 2));
|
|
}
|
|
|
|
void InitializePinmux(fuse::HardwareType hw_type) {
|
|
/* Clear global pinmux control register */
|
|
reg::Write(APB + APB_MISC_PP_PINMUX_GLOBAL_0, 0);
|
|
|
|
/* Perform initial pinmux setup. */
|
|
pinmux::SetupFirst(hw_type);
|
|
|
|
/* Setup important pinmux devices. */
|
|
pinmux::SetupI2c1();
|
|
pinmux::SetupI2c5();
|
|
pinmux::SetupUartA();
|
|
pinmux::SetupVolumeButton();
|
|
pinmux::SetupHomeButton();
|
|
}
|
|
|
|
}
|
|
|
|
void SecureInitialize(bool enable_log) {
|
|
/* Get SoC type/hardware type. */
|
|
const auto soc_type = fuse::GetSocType();
|
|
const auto hw_type = fuse::GetHardwareType();
|
|
|
|
/* If Erista, perform bootrom logic (to compensate for RCM exploit) and MBIST workaround. */
|
|
if (soc_type == fuse::SocType_Erista) {
|
|
/* Potentially perform bootrom compensation. */
|
|
{
|
|
u32 sbk[4];
|
|
if (fuse::GetSecureBootKey(sbk)) {
|
|
DoRcmWorkaround(sbk, sizeof(sbk));
|
|
}
|
|
}
|
|
DoMbistWorkaround();
|
|
}
|
|
|
|
/* Initialize security engine clock. */
|
|
clkrst::EnableSeClock();
|
|
|
|
/* Set fuse visibility. */
|
|
clkrst::SetFuseVisibility(true);
|
|
|
|
/* Disable fuse programming. */
|
|
fuse::Lockout();
|
|
|
|
/* Initialize the security engine. */
|
|
se::Initialize();
|
|
|
|
/* Enable the arc. */
|
|
EnableArc();
|
|
|
|
/* Setup initial clocks. */
|
|
InitializeClock();
|
|
|
|
/* Setup initial pinmux. */
|
|
InitializePinmux(hw_type);
|
|
|
|
/* Initialize logging. */
|
|
if (enable_log) {
|
|
clkrst::EnableUartAClock();
|
|
}
|
|
|
|
/* Enable various clocks. */
|
|
clkrst::EnableCldvfsClock();
|
|
clkrst::EnableI2c1Clock();
|
|
clkrst::EnableI2c5Clock();
|
|
clkrst::EnableTzramClock();
|
|
|
|
/* Ensure avp cache is enabled, since we'll be using it. */
|
|
clkrst::EnableCache2Clock();
|
|
clkrst::EnableCram2Clock();
|
|
|
|
/* Initialize I2C5. */
|
|
i2c::Initialize(i2c::Port_5);
|
|
|
|
/* Configure pmic system setting. */
|
|
pmic::SetSystemSetting(soc_type);
|
|
|
|
/* Enable VDD core */
|
|
pmic::EnableVddCore(soc_type);
|
|
|
|
/* On hoag, enable Ldo8 */
|
|
if (hw_type == fuse::HardwareType_Hoag) {
|
|
pmic::EnableLdo8();
|
|
}
|
|
|
|
/* Initialize I2C1. */
|
|
i2c::Initialize(i2c::Port_1);
|
|
|
|
/* Configure SCLK_BURST_POLICY. */
|
|
reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_SCLK_BURST_POLICY, CLK_RST_REG_BITS_ENUM(SCLK_BURST_POLICY_SWAKEUP_FIQ_SOURCE, PLLP_OUT0),
|
|
CLK_RST_REG_BITS_ENUM(SCLK_BURST_POLICY_SWAKEUP_IRQ_SOURCE, PLLP_OUT0),
|
|
CLK_RST_REG_BITS_ENUM(SCLK_BURST_POLICY_SWAKEUP_RUN_SOURCE, PLLP_OUT0),
|
|
CLK_RST_REG_BITS_ENUM(SCLK_BURST_POLICY_SWAKEUP_IDLE_SOURCE, PLLP_OUT0));
|
|
|
|
/* Do mariko-only TZRAM configuration. */
|
|
if (soc_type == fuse::SocType_Mariko) {
|
|
reg::ReadWrite(PMC + APBDEV_PMC_TZRAM_PWR_CNTRL, PMC_REG_BITS_VALUE(TZRAM_PWR_CNTRL_TZRAM_SD, 0));
|
|
|
|
reg::Write(PMC + APBDEV_PMC_TZRAM_NON_SEC_DISABLE, PMC_REG_BITS_ENUM(TZRAM_NON_SEC_DISABLE_SD_WRITE, ON),
|
|
PMC_REG_BITS_ENUM(TZRAM_NON_SEC_DISABLE_SD_READ, ON));
|
|
|
|
reg::Write(PMC + APBDEV_PMC_TZRAM_SEC_DISABLE, PMC_REG_BITS_ENUM(TZRAM_SEC_DISABLE_SD_WRITE, ON),
|
|
PMC_REG_BITS_ENUM(TZRAM_SEC_DISABLE_SD_READ, ON));
|
|
}
|
|
|
|
/* Hold certain devices in reset. */
|
|
reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_RST_DEVICES_L, CLK_RST_REG_BITS_ENUM(RST_DEVICES_L_SWR_USBD_RST, ENABLE));
|
|
}
|
|
|
|
}
|