mirror of
https://github.com/suchmememanyskill/TegraExplorer.git
synced 2024-11-29 23:32:06 +00:00
125 lines
4.2 KiB
C
125 lines
4.2 KiB
C
/*
|
|
* 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 <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <soc/ccplex.h>
|
|
#include <soc/hw_init.h>
|
|
#include <soc/i2c.h>
|
|
#include <soc/clock.h>
|
|
#include <soc/pmc.h>
|
|
#include <soc/t210.h>
|
|
#include <power/max77620.h>
|
|
#include <power/max7762x.h>
|
|
#include <power/max77812.h>
|
|
#include <utils/util.h>
|
|
|
|
void _ccplex_enable_power_t210()
|
|
{
|
|
// Configure GPIO5 and enable output in order to power CPU pmic.
|
|
max77620_config_gpio(5, MAX77620_GPIO_OUTPUT_ENABLE);
|
|
|
|
// Configure CPU pmic.
|
|
// 1-3.x: MAX77621_NFSR_ENABLE.
|
|
// 1.0.0-3.x: MAX77621_T_JUNCTION_120 | MAX77621_CKKADV_TRIP_DISABLE | MAX77621_INDUCTOR_NOMINAL.
|
|
max77621_config_default(REGULATOR_CPU0, MAX77621_CTRL_HOS_CFG);
|
|
|
|
// Set voltage and enable cores power.
|
|
max7762x_regulator_set_voltage(REGULATOR_CPU0, 950000);
|
|
max7762x_regulator_enable(REGULATOR_CPU0, true);
|
|
}
|
|
|
|
void _ccplex_enable_power_t210b01()
|
|
{
|
|
// Set voltage and enable cores power.
|
|
max7762x_regulator_set_voltage(REGULATOR_CPU1, 800000);
|
|
max7762x_regulator_enable(REGULATOR_CPU1, true);
|
|
}
|
|
|
|
void ccplex_boot_cpu0(u32 entry)
|
|
{
|
|
// Set ACTIVE_CLUSER to FAST.
|
|
FLOW_CTLR(FLOW_CTLR_BPMP_CLUSTER_CONTROL) &= 0xFFFFFFFE;
|
|
|
|
if (hw_get_chip_id() == GP_HIDREV_MAJOR_T210)
|
|
_ccplex_enable_power_t210();
|
|
else
|
|
_ccplex_enable_power_t210b01();
|
|
|
|
// Enable PLLX and set it to 300 MHz.
|
|
if (!(CLOCK(CLK_RST_CONTROLLER_PLLX_BASE) & PLLX_BASE_ENABLE)) // PLLX_ENABLE.
|
|
{
|
|
CLOCK(CLK_RST_CONTROLLER_PLLX_MISC_3) &= 0xFFFFFFF7; // Disable IDDQ.
|
|
usleep(2);
|
|
|
|
// Bypass dividers.
|
|
CLOCK(CLK_RST_CONTROLLER_PLLX_BASE) = PLLX_BASE_BYPASS | (4 << 20) | (78 << 8) | 2; // P div: 4 (5), N div: 78, M div: 2.
|
|
// Disable bypass
|
|
CLOCK(CLK_RST_CONTROLLER_PLLX_BASE) = (4 << 20) | (78 << 8) | 2;
|
|
// Set PLLX_LOCK_ENABLE.
|
|
CLOCK(CLK_RST_CONTROLLER_PLLX_MISC) = (CLOCK(CLK_RST_CONTROLLER_PLLX_MISC) & 0xFFFBFFFF) | 0x40000;
|
|
// Enable PLLX.
|
|
CLOCK(CLK_RST_CONTROLLER_PLLX_BASE) = PLLX_BASE_ENABLE | (4 << 20) | (78 << 8) | 2;
|
|
}
|
|
// Wait for PLL to stabilize.
|
|
while (!(CLOCK(CLK_RST_CONTROLLER_PLLX_BASE) & PLLX_BASE_LOCK))
|
|
;
|
|
|
|
// Configure MSELECT source and enable clock to 102MHz.
|
|
CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_MSELECT) = (CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_MSELECT) & 0x1FFFFF00) | 6;
|
|
CLOCK(CLK_RST_CONTROLLER_CLK_ENB_V_SET) = BIT(CLK_V_MSELECT);
|
|
|
|
// Configure initial CPU clock frequency and enable clock.
|
|
CLOCK(CLK_RST_CONTROLLER_CCLK_BURST_POLICY) = 0x20008888; // PLLX_OUT0_LJ.
|
|
CLOCK(CLK_RST_CONTROLLER_SUPER_CCLK_DIVIDER) = 0x80000000;
|
|
CLOCK(CLK_RST_CONTROLLER_CLK_ENB_V_SET) = BIT(CLK_V_CPUG);
|
|
|
|
clock_enable_coresight();
|
|
|
|
// CAR2PMC_CPU_ACK_WIDTH should be set to 0.
|
|
CLOCK(CLK_RST_CONTROLLER_CPU_SOFTRST_CTRL2) &= 0xFFFFF000;
|
|
|
|
// Enable CPU main rail.
|
|
pmc_enable_partition(POWER_RAIL_CRAIL, ENABLE);
|
|
// Enable cluster 0 non-CPU rail.
|
|
pmc_enable_partition(POWER_RAIL_C0NC, ENABLE);
|
|
// Enable CPU0 rail.
|
|
pmc_enable_partition(POWER_RAIL_CE0, ENABLE);
|
|
|
|
// Request and wait for RAM repair.
|
|
FLOW_CTLR(FLOW_CTLR_RAM_REPAIR) = 1;
|
|
while (!(FLOW_CTLR(FLOW_CTLR_RAM_REPAIR) & 2))
|
|
;
|
|
|
|
EXCP_VEC(EVP_CPU_RESET_VECTOR) = 0;
|
|
|
|
// Set reset vector.
|
|
SB(SB_AA64_RESET_LOW) = entry | SB_AA64_RST_AARCH64_MODE_EN;
|
|
SB(SB_AA64_RESET_HIGH) = 0;
|
|
// Non-secure reset vector write disable.
|
|
SB(SB_CSR) = SB_CSR_NS_RST_VEC_WR_DIS;
|
|
(void)SB(SB_CSR);
|
|
|
|
// Tighten up the security aperture.
|
|
// MC(MC_TZ_SECURITY_CTRL) = 1;
|
|
|
|
// Clear MSELECT reset.
|
|
CLOCK(CLK_RST_CONTROLLER_RST_DEV_V_CLR) = BIT(CLK_V_MSELECT);
|
|
// Clear NONCPU reset.
|
|
CLOCK(CLK_RST_CONTROLLER_RST_CPUG_CMPLX_CLR) = 0x20000000;
|
|
// Clear CPU0 reset.
|
|
// < 5.x: 0x411F000F, Clear CPU{0,1,2,3} POR and CORE, CX0, L2, and DBG reset.
|
|
CLOCK(CLK_RST_CONTROLLER_RST_CPUG_CMPLX_CLR) = 0x41010001;
|
|
}
|