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Atmosphere/fusee/program/source/sein/fusee_secure_initialize.cpp

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fusee-cpp: Implement mbist workaround
2021-08-21 23:49:36 +01:00
/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* 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 <http://www.gnu.org/licenses/>.
*/
#include <exosphere.hpp>
#include "fusee_secure_initialize.hpp"
fusee_cpp: Implement fatal display, reading of fusee-secondary
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#include "../fusee_registers_di.hpp"
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namespace ams::nxboot {
namespace {
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constexpr inline const uintptr_t CLKRST = secmon::MemoryRegionPhysicalDeviceClkRst.GetAddress();
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();
constexpr inline const uintptr_t AHB = AHB_ARBC(0);
constexpr inline const uintptr_t I2S = I2S_REG(0);
constexpr inline const uintptr_t DISP1 = secmon::MemoryRegionPhysicalDeviceDisp1.GetAddress();
constexpr inline const uintptr_t VIC = secmon::MemoryRegionPhysicalDeviceDsi.GetAddress() + 0x40000;
constexpr inline const uintptr_t TIMER = secmon::MemoryRegionPhysicalDeviceTimer.GetAddress();
constexpr inline const uintptr_t SYSCTR0 = secmon::MemoryRegionPhysicalDeviceSysCtr0.GetAddress();
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void DoRcmWorkaround(const void *sbk, size_t sbk_size) {
/* Set the SBK inside the security engine. */
se::SetAesKey(pkg1::AesKeySlot_SecureBoot, sbk, sbk_size);
/* Lock the SBK/SSK as unreadable. */
se::LockAesKeySlot(pkg1::AesKeySlot_SecureBoot, se::KeySlotLockFlags_KeyRead);
se::LockAesKeySlot(pkg1::AesKeySlot_SecureStorage, se::KeySlotLockFlags_KeyRead);
/* Clear TZRAM. */
std::memset(secmon::MemoryRegionPhysicalTzram.GetPointer(), 0, secmon::MemoryRegionPhysicalTzram.GetSize());
/* Clear APBDEV_PMC_CRYPTO_OP. */
reg::Write(PMC + APBDEV_PMC_CRYPTO_OP, 0);
/* Clear the boot reason. */
reg::Write(PMC + APBDEV_PMC_SCRATCH200, 0);
reg::Write(PMC + APBDEV_PMC_CRYPTO_OP, 0);
/* Clear OBS_OVERRIDE/APB2JTAG_OVERRIDE */
reg::ReadWrite(AHB + AHB_AHB_SPARE_REG, AHB_REG_BITS_ENUM(AHB_SPARE_REG_OBS_OVERRIDE_EN, DISABLE),
AHB_REG_BITS_ENUM(AHB_SPARE_REG_APB2JTAG_OVERRIDE_EN, DISABLE));
/* Clear low bits of APBDEV_PMC_SCRATCH49 */
reg::ClearBits(PMC + APBDEV_PMC_SCRATCH49, 0x3);
}
void DoMbistWorkaround() {
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/* Enable AHUB/APE clock prior to I2S accesses. */
reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_CLK_OUT_ENB_V, CLK_RST_REG_BITS_ENUM(CLK_ENB_V_CLK_ENB_AHUB, ENABLE));
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. */
reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_CLK_SOURCE_SOR1, CLK_RST_REG_BITS_ENUM(CLK_SOURCE_SOR1_SOR1_CLK_SEL0, MUX),
CLK_RST_REG_BITS_ENUM(CLK_SOURCE_SOR1_SOR1_CLK_SEL1, SOR1_CLOCK_SWITCH));
/* Set CSI clock source as PLLD. */
reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_PLLD_BASE, CLK_RST_REG_BITS_ENUM(PLLD_BASE_PLLD_ENABLE, ENABLE),
CLK_RST_REG_BITS_ENUM(PLLD_BASE_CSI_CLK_SRC, PLL_D));
/* Clear APE, VIC, HOST1X, DISP1 reset. */
reg::Write(CLKRST + CLK_RST_CONTROLLER_RST_DEV_Y_CLR, CLK_RST_REG_BITS_ENUM(RST_DEV_Y_APE_RST, ENABLE));
reg::Write(CLKRST + CLK_RST_CONTROLLER_RST_DEV_X_CLR, CLK_RST_REG_BITS_ENUM(RST_DEV_X_VIC_RST, ENABLE));
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));
/* Wait two microseconds for the devices to come out of reset. */
util::WaitMicroSeconds(2);
/* Set I2S_CTRL.MASTER and clear I2S_CG.SCLG_ENABLE for all I2S registers. */
reg::ReadWrite(I2S + I2S0_I2S_CTRL, I2S_REG_BITS_ENUM(I2S_CTRL_MASTER, ENABLE));
reg::ReadWrite(I2S + I2S0_I2S_CG, I2S_REG_BITS_ENUM(I2S_CG_SLCG_ENABLE, FALSE));
reg::ReadWrite(I2S + I2S1_I2S_CTRL, I2S_REG_BITS_ENUM(I2S_CTRL_MASTER, ENABLE));
reg::ReadWrite(I2S + I2S1_I2S_CG, I2S_REG_BITS_ENUM(I2S_CG_SLCG_ENABLE, FALSE));
reg::ReadWrite(I2S + I2S2_I2S_CTRL, I2S_REG_BITS_ENUM(I2S_CTRL_MASTER, ENABLE));
reg::ReadWrite(I2S + I2S2_I2S_CG, I2S_REG_BITS_ENUM(I2S_CG_SLCG_ENABLE, FALSE));
reg::ReadWrite(I2S + I2S3_I2S_CTRL, I2S_REG_BITS_ENUM(I2S_CTRL_MASTER, ENABLE));
reg::ReadWrite(I2S + I2S3_I2S_CG, I2S_REG_BITS_ENUM(I2S_CG_SLCG_ENABLE, FALSE));
reg::ReadWrite(I2S + I2S4_I2S_CTRL, I2S_REG_BITS_ENUM(I2S_CTRL_MASTER, ENABLE));
reg::ReadWrite(I2S + I2S4_I2S_CG, I2S_REG_BITS_ENUM(I2S_CG_SLCG_ENABLE, FALSE));
/* Set DC_COM_DSC_TOP_CTL.DSC_SLG_OVERRIDE */
reg::SetBits(DISP1 + DC_COM_DSC_TOP_CTL * sizeof(u32), 0x4);
/* Set NV_PVIC_THI_SLCG_OVERRIDE_LOW_A */
reg::SetBits(VIC + NV_PVIC_THI_SLCG_OVERRIDE_LOW_A, 0xFFFFFFFF);
/* Wait two microseconds for configuration to take. */
util::WaitMicroSeconds(2);
/* Set APE, VIC, HOST1X, DISP1 reset. */
reg::Write(CLKRST + CLK_RST_CONTROLLER_RST_DEV_Y_SET, CLK_RST_REG_BITS_ENUM(RST_DEV_Y_APE_RST, ENABLE));
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));
reg::Write(CLKRST + CLK_RST_CONTROLLER_RST_DEV_X_SET, CLK_RST_REG_BITS_ENUM(RST_DEV_X_VIC_RST, ENABLE));
/* Set clock enable for a select few devices. */
reg::Write(CLKRST + CLK_RST_CONTROLLER_CLK_OUT_ENB_H, CLK_RST_REG_BITS_ENUM(CLK_ENB_H_CLK_ENB_FUSE, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_H_CLK_ENB_PMC, ENABLE));
reg::Write(CLKRST + CLK_RST_CONTROLLER_CLK_OUT_ENB_L, CLK_RST_REG_BITS_ENUM(CLK_ENB_L_CLK_ENB_CACHE2, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_L_CLK_ENB_GPIO, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_L_CLK_ENB_TMR, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_L_CLK_ENB_RTC, ENABLE));
reg::Write(CLKRST + CLK_RST_CONTROLLER_CLK_OUT_ENB_U, CLK_RST_REG_BITS_ENUM(CLK_ENB_U_CLK_ENB_CRAM2, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_U_CLK_ENB_IRAMD, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_U_CLK_ENB_IRAMC, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_U_CLK_ENB_IRAMB, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_U_CLK_ENB_IRAMA, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_U_CLK_ENB_CSITE, ENABLE));
reg::Write(CLKRST + CLK_RST_CONTROLLER_CLK_OUT_ENB_V, CLK_RST_REG_BITS_ENUM(CLK_ENB_V_CLK_ENB_SE, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_V_CLK_ENB_SPDIF_DOUBLER, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_V_CLK_ENB_APB2APE, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_V_CLK_ENB_MSELECT, ENABLE));
reg::Write(CLKRST + CLK_RST_CONTROLLER_CLK_OUT_ENB_W, CLK_RST_REG_BITS_ENUM(CLK_ENB_W_CLK_ENB_MC1, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_W_CLK_ENB_ENTROPY, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_W_CLK_ENB_PCIERX5, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_W_CLK_ENB_PCIERX4, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_W_CLK_ENB_PCIERX3, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_W_CLK_ENB_PCIERX2, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_W_CLK_ENB_PCIERX1, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_W_CLK_ENB_PCIERX0, ENABLE));
reg::Write(CLKRST + CLK_RST_CONTROLLER_CLK_OUT_ENB_X, CLK_RST_REG_BITS_ENUM(CLK_ENB_X_CLK_ENB_PLLG_REF, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_X_CLK_ENB_DBGAPB, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_X_CLK_ENB_GPU, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_X_CLK_ENB_MC_BBC, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_X_CLK_ENB_MC_CPU, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_X_CLK_ENB_MC_CBPA, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_X_CLK_ENB_MC_CAPA, ENABLE));
reg::Write(CLKRST + CLK_RST_CONTROLLER_CLK_OUT_ENB_Y, CLK_RST_REG_BITS_ENUM(CLK_ENB_Y_CLK_ENB_MC_CDPA, ENABLE),
CLK_RST_REG_BITS_ENUM(CLK_ENB_Y_CLK_ENB_MC_CCPA, ENABLE));
/* Clear all LVL2 clock gate overrides to zero. */
reg::Write(CLKRST + CLK_RST_CONTROLLER_LVL2_CLK_GATE_OVRA, 0);
reg::Write(CLKRST + CLK_RST_CONTROLLER_LVL2_CLK_GATE_OVRB, 0);
reg::Write(CLKRST + CLK_RST_CONTROLLER_LVL2_CLK_GATE_OVRC, 0);
reg::Write(CLKRST + CLK_RST_CONTROLLER_LVL2_CLK_GATE_OVRD, 0);
reg::Write(CLKRST + CLK_RST_CONTROLLER_LVL2_CLK_GATE_OVRE, 0);
/* Reset CSI clock source. */
reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_PLLD_BASE, CLK_RST_REG_BITS_ENUM(PLLD_BASE_PLLD_BYPASS, DISABLE),
CLK_RST_REG_BITS_ENUM(PLLD_BASE_PLLD_ENABLE, DISABLE),
CLK_RST_REG_BITS_ENUM(PLLD_BASE_PLLD_REF_DIS, REF_ENABLE),
CLK_RST_REG_BITS_ENUM(PLLD_BASE_CSI_CLK_SRC, BRICK));
/* Configure CLK_RST_CONTROLLER_CLK_SOURCE_SOR1. */
reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_CLK_SOURCE_SOR1, CLK_RST_REG_BITS_ENUM(CLK_SOURCE_SOR1_SOR1_CLK_SEL0, MUX),
CLK_RST_REG_BITS_ENUM(CLK_SOURCE_SOR1_SOR1_CLK_SEL1, SAFE_CLOCK));
/* Configure VI, HOST1X, NVENC clock sources. */
reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_CLK_SOURCE_VI, CLK_RST_REG_BITS_ENUM(CLK_SOURCE_VI_VI_CLK_SRC, PLLP_OUT0));
reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_CLK_SOURCE_HOST1X, CLK_RST_REG_BITS_ENUM(CLK_SOURCE_HOST1X_HOST1X_CLK_SRC, PLLP_OUT0));
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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void EnableArc() {
/* Enable clocks for EMC/MC, using PLLP_OUT0. */
reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_CLK_SOURCE_EMC, CLK_RST_REG_BITS_ENUM(CLK_SOURCE_EMC_EMC_2X_CLK_SRC, PLLP_OUT0));
reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_CLK_ENB_H_SET, CLK_RST_REG_BITS_ENUM(CLK_ENB_H_CLK_ENB_EMC, ENABLE));
reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_CLK_ENB_H_SET, CLK_RST_REG_BITS_ENUM(CLK_ENB_H_CLK_ENB_MEM, ENABLE));
reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_CLK_ENB_X_SET, CLK_RST_REG_BITS_ENUM(CLK_ENB_X_CLK_ENB_EMC_DLL, ENABLE));
/* Clear reset for MEM/EMC. */
reg::Write(CLKRST + CLK_RST_CONTROLLER_RST_DEV_H_CLR, CLK_RST_REG_BITS_ENUM(RST_DEV_H_EMC_RST, ENABLE),
CLK_RST_REG_BITS_ENUM(RST_DEV_H_MEM_RST, ENABLE));
/* Wait 5 microseconds for configuration to take. */
util::WaitMicroSeconds(5);
/* Enable ARC_CLK_OVR_ON. */
reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_LVL2_CLK_GATE_OVRD, CLK_RST_REG_BITS_ENUM(LVL2_CLK_GATE_OVRD_ARC_CLK_OVR_ON, ON));
/* Enable the ARC. */
reg::ReadWrite(MC + MC_IRAM_REG_CTRL, MC_REG_BITS_ENUM(IRAM_REG_CTRL_IRAM_CFG_WRITE_ACCESS, ENABLED));
/* Set IRAM BOM/TOP to open up access to all mmio. */
reg::Write(MC + MC_IRAM_BOM, 0x40000000);
reg::Write(MC + MC_IRAM_TOM, 0x80000000);
/* Read to ensure our configuration takes. */
reg::Read(MC + MC_IRAM_REG_CTRL);
}
fusee-cpp: sketch out remainder of secure initialize
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void InitializeClock() {
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/* Set SPARE_REG0 clock divisor 2. */
reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_SPARE_REG0, CLK_RST_REG_BITS_ENUM(SPARE_REG0_CLK_M_DIVISOR, CLK_M_DIVISOR2));
/* Set system counter frequency. */
reg::Write(SYSCTR0 + SYSCTR0_CNTFID0, 19'200'000);
/* Restore TIMERUS config to 19.2 MHz. */
reg::Write(TIMER + TIMERUS_USEC_CFG, TIMER_REG_BITS_VALUE(USEC_CFG_USEC_DIVIDEND, 5 - 1),
TIMER_REG_BITS_VALUE(USEC_CFG_USEC_DIVISOR, 96 - 1));
/* Enable the crystal oscillator, and copy the drive strength from pmc. */
reg::Write(CLKRST + CLK_RST_CONTROLLER_OSC_CTRL, CLK_RST_REG_BITS_ENUM (OSC_CTRL_OSC_FREQ, OSC38P4),
CLK_RST_REG_BITS_ENUM (OSC_CTRL_XOE, ENABLE),
CLK_RST_REG_BITS_VALUE(OSC_CTRL_XOFS, 7));
/* Set the crystal oscillator value in PMC. */
reg::ReadWrite(PMC + APBDEV_PMC_OSC_EDPD_OVER, PMC_REG_BITS_VALUE(OSC_EDPD_OVER_XOFS, 7));
/* Configure the crystal oscillator to use PMC value on warmboot. */
reg::ReadWrite(PMC + APBDEV_PMC_OSC_EDPD_OVER, PMC_REG_BITS_ENUM(OSC_EDPD_OVER_OSC_CTRL_SELECT, PMC));
/* Set HOLD_CKE_LOW_EN. */
reg::ReadWrite(PMC + APBDEV_PMC_CNTRL2, PMC_REG_BITS_ENUM(CNTRL2_HOLD_CKE_LOW_EN, ENABLE));
fusee-cpp: minor fixes (thanks @hexkyz)
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/* Set CFG2TMC_RAM_SVOP_PDP to 2. */
/* NOTE: Nintendo acidentally writes this to the PMC instead of the APB due to a bug. */
reg::ReadWrite(APB + APB_MISC_GP_ASDBGREG, APB_MISC_REG_BITS_VALUE(GP_ASDBGREG_CFG2TMC_RAM_SVOP_PDP, 2));
fusee-cpp: finish SecureInitialize
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/* 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, 1),
CLK_RST_REG_BITS_VALUE(CLK_SYSTEM_RATE_PCLK_DIS, 0),
CLK_RST_REG_BITS_VALUE(CLK_SYSTEM_RATE_APB_RATE, 0));
/* Configure PLLMB_BASE. */
reg::ReadWrite(CLKRST + CLK_RST_CONTROLLER_PLLMB_BASE, CLK_RST_REG_BITS_ENUM(PLLMB_BASE_PLLMB_ENABLE, DISABLE));
/* Configure TSC_MULT. */
constexpr u32 TscMultValue = 19'200'000 * 16 / 32768;
reg::ReadWrite(PMC + APBDEV_PMC_TSC_MULT, PMC_REG_BITS_VALUE(TSC_MULT_MULT_VAL, TscMultValue));
/* Configure SCLK_BURST_POLICY */
reg::Write(CLKRST + CLK_RST_CONTROLLER_SCLK_BURST_POLICY, CLK_RST_REG_BITS_ENUM(SCLK_BURST_POLICY_SYS_STATE, RUN),
CLK_RST_REG_BITS_ENUM(SCLK_BURST_POLICY_COP_AUTO_SWAKEUP_FROM_FIQ, NOP),
CLK_RST_REG_BITS_ENUM(SCLK_BURST_POLICY_CPU_AUTO_SWAKEUP_FROM_FIQ, NOP),
CLK_RST_REG_BITS_ENUM(SCLK_BURST_POLICY_COP_AUTO_SWAKEUP_FROM_IRQ, NOP),
CLK_RST_REG_BITS_ENUM(SCLK_BURST_POLICY_CPU_AUTO_SWAKEUP_FROM_IRQ, NOP),
CLK_RST_REG_BITS_ENUM(SCLK_BURST_POLICY_SWAKEUP_FIQ_SOURCE, PLLP_OUT2),
CLK_RST_REG_BITS_ENUM(SCLK_BURST_POLICY_SWAKEUP_IRQ_SOURCE, PLLP_OUT2),
CLK_RST_REG_BITS_ENUM(SCLK_BURST_POLICY_SWAKEUP_RUN_SOURCE, PLLP_OUT2),
CLK_RST_REG_BITS_ENUM(SCLK_BURST_POLICY_SWAKEUP_IDLE_SOURCE, PLLP_OUT2));
/* Configure SUPER_SCLK_DIVIDER */
reg::Write(CLKRST + CLK_RST_CONTROLLER_SUPER_SCLK_DIVIDER, CLK_RST_REG_BITS_ENUM (SUPER_SCLK_DIVIDER_SUPER_SDIV_ENB, ENABLE),
CLK_RST_REG_BITS_ENUM (SUPER_SCLK_DIVIDER_SUPER_SDIV_DIS_FROM_COP_FIQ, NOP),
CLK_RST_REG_BITS_ENUM (SUPER_SCLK_DIVIDER_SUPER_SDIV_DIS_FROM_CPU_FIQ, NOP),
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),
CLK_RST_REG_BITS_VALUE(CLK_SYSTEM_RATE_APB_RATE, 2));
fusee-cpp: sketch out remainder of secure initialize
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}
void InitializePinmux(fuse::HardwareType hw_type) {
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/* 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();
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}
fusee-cpp: Implement mbist workaround
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}
fusee-cpp: sketch out remainder of secure initialize
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void SecureInitialize(bool enable_log) {
/* Get SoC type/hardware type. */
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const auto soc_type = fuse::GetSocType();
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const auto hw_type = fuse::GetHardwareType();
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/* 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();
}
fusee-cpp: a little more init in SecureInitialize
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/* 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();
fusee-cpp: sketch out remainder of secure initialize
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/* 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();
fusee_cpp: cache cleanup, confirmed working on hardware
2021-08-23 18:13:46 +01:00
/* Ensure avp cache is enabled, since we'll be using it. */
clkrst::EnableCache2Clock();
clkrst::EnableCram2Clock();
fusee-cpp: sketch out remainder of secure initialize
2021-08-22 00:32:05 +01:00
/* Initialize I2C5. */
i2c::Initialize(i2c::Port_5);
/* Configure pmic system setting. */
fusee-cpp: implement SecureInitialize besides InitializeClock()
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pmic::SetSystemSetting(soc_type);
fusee-cpp: sketch out remainder of secure initialize
2021-08-22 00:32:05 +01:00
/* Enable VDD core */
fusee-cpp: implement SecureInitialize besides InitializeClock()
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pmic::EnableVddCore(soc_type);
fusee-cpp: sketch out remainder of secure initialize
2021-08-22 00:32:05 +01:00
/* 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));
fusee-cpp: implement SecureInitialize besides InitializeClock()
2021-08-22 02:00:44 +01:00
/* 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));
}
fusee_cpp: various fixes, unpatched erista boots now
2021-09-05 05:43:19 +01:00
/* 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));
fusee-cpp: Implement mbist workaround
2021-08-21 23:49:36 +01:00
}
}
Reference in a new issue Copy permalink