mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-09-19 22:59:00 +00:00
f66b41c027
exo2: Implement uncompressor stub and boot code up to Main(). exo2: implement some more init (uart/gic) exo2: implement more of init exo2: improve reg api, add keyslot flag setters exo2: implement se aes decryption/enc exo2: fix bugs in loader stub/mmu mappings exo2: start skeletoning bootconfig/global context types arch: fix makefile flags exo2: implement through master key derivation exo2: implement device master keygen exo2: more init through start of SetupSocSecurity exo2: implement pmc secure scratch management se: implement sticky bit validation libexosphere: fix building for arm32 libexo: fix makefile flags libexo: support building for arm64/arm sc7fw: skeleton binary sc7fw: skeleton a little more sc7fw: implement all non-dram functionality exo2: fix DivideUp error sc7fw: implement more dram code, fix reg library errors sc7fw: complete sc7fw impl. exo2: skeleton the rest of SetupSocSecurity exo2: implement fiq interrupt handler exo2: implement all exception handlers exo2: skeleton the entire smc api, implement the svc invoker exo2: implement rest of SetupSocSecurity exo2: correct slave security errors exo2: fix register definition exo2: minor fixes
98 lines
3.8 KiB
C++
98 lines
3.8 KiB
C++
/*
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* Copyright (c) 2018-2020 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 "clkrst_registers.hpp"
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namespace ams::clkrst {
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namespace {
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constinit uintptr_t g_register_address = secmon::MemoryRegionPhysicalDeviceClkRst.GetAddress();
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struct ClockParameters {
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uintptr_t reset_offset;
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uintptr_t clk_enb_offset;
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uintptr_t clk_src_offset;
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u8 index;
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u8 clk_src;
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u8 clk_div;
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};
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void EnableClock(const ClockParameters ¶m) {
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/* Hold reset. */
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reg::ReadWrite(g_register_address + param.reset_offset, REG_BITS_VALUE(param.index, 1, 1));
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/* Disable clock. */
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reg::ReadWrite(g_register_address + param.clk_enb_offset, REG_BITS_VALUE(param.index, 1, 0));
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/* Set the clock source. */
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if (param.clk_src != 0) {
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reg::Write(g_register_address + param.clk_src_offset, (param.clk_src << 29) | (param.clk_div << 0));
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}
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/* Enable clk. */
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reg::ReadWrite(g_register_address + param.clk_enb_offset, REG_BITS_VALUE(param.index, 1, 1));
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/* Release reset. */
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reg::ReadWrite(g_register_address + param.reset_offset, REG_BITS_VALUE(param.index, 1, 0));
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}
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// void DisableClock(const ClockParameters ¶m) {
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// /* Hold reset. */
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// reg::ReadWrite(g_register_address + param.reset_offset, REG_BITS_VALUE(param.index, 1, 1));
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//
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// /* Disable clock. */
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// reg::ReadWrite(g_register_address + param.clk_enb_offset, REG_BITS_VALUE(param.index, 1, 0));
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// }
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#define DEFINE_CLOCK_PARAMETERS(_VARNAME_, _REG_, _NAME_, _CLK_, _DIV_) \
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constexpr inline const ClockParameters _VARNAME_ = { \
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.reset_offset = CLK_RST_CONTROLLER_RST_DEVICES_##_REG_, \
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.clk_enb_offset = CLK_RST_CONTROLLER_CLK_OUT_ENB_##_REG_, \
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.clk_src_offset = CLK_RST_CONTROLLER_CLK_SOURCE_##_NAME_, \
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.index = CLK_RST_CONTROLLER_CLK_ENB_##_NAME_##_INDEX, \
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.clk_src = CLK_RST_CONTROLLER_CLK_SOURCE_##_NAME_##_##_NAME_##_CLK_SRC_##_CLK_, \
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.clk_div = _DIV_, \
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}
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DEFINE_CLOCK_PARAMETERS(UartAClock, L, UARTA, PLLP_OUT0, 0);
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DEFINE_CLOCK_PARAMETERS(UartBClock, L, UARTB, PLLP_OUT0, 0);
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DEFINE_CLOCK_PARAMETERS(UartCClock, H, UARTC, PLLP_OUT0, 0);
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}
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void SetRegisterAddress(uintptr_t address) {
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g_register_address = address;
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}
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void SetFuseVisibility(bool visible) {
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reg::ReadWrite(g_register_address + CLK_RST_CONTROLLER_MISC_CLK_ENB, CLK_RST_REG_BITS_VALUE(MISC_CLK_ENB_CFG_ALL_VISIBLE, visible ? 1 : 0));
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}
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void EnableUartAClock() {
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EnableClock(UartAClock);
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}
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void EnableUartBClock() {
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EnableClock(UartAClock);
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}
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void EnableUartCClock() {
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EnableClock(UartAClock);
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}
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} |