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/*******************************************************************************
* DISCLAIMER
* This software is supplied by Renesas Electronics Corporation and is only
* intended for use with Renesas products. No other uses are authorized. This
* software is owned by Renesas Electronics Corporation and is protected under
* all applicable laws, including copyright laws.
* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
* THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
* LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
* AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
* TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
* ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
* FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
* ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
* Renesas reserves the right, without notice, to make changes to this software
* and to discontinue the availability of this software. By using this software,
* you agree to the additional terms and conditions found by accessing the
* following link:
* http://www.renesas.com/disclaimer
* Copyright 2021-2024 Renesas Electronics Corporation All rights reserved.
*******************************************************************************/
/*******************************************************************************
* DESCRIPTION : Power management driver
******************************************************************************/
/******************************************************************************
* @file cpu_on.c
* - Version : 0.09
* @brief Boot process of ARM CPU core.
* .
*****************************************************************************/
/******************************************************************************
* History : DD.MM.YYYY Version Description
* : 28.07.2021 0.01 First Release
* : 03.09.2021 0.02 Modify macro definition name.
* : 08.09.2021 0.03 Removed the reset process of BOOT_CTRL and
* OPBT_CTRL register.
* : 06.01.2022 0.04 Static analysis support
* : 23.05.2022 0.05 Integration of S4 and V4H
* : 21.06.2022 0.06 Remove functions for MCU.
* : 21.08.2023 0.07 Add support for V4M.
* : 17.11.2023 0.08 Move a part of definitions to cpu_on.h.
* : 09.12.2024 0.09 Update OTP_MEM_OTPMONITOR60 register to
* OTP_MEM_OTPMONITOR17 register for V4M.
* And Improve the adj_cr_variant_freq function.
*****************************************************************************/
#include <stdint.h>
#include <types.h>
#include <mem_io.h>
#include <cpu_on.h>
#include <cpg.h>
#include <cpg_register.h>
#include <ap_system_core_register.h>
#include <inline_asm.h>
/* ARM */
#define CA_CORE0_WUP_REQ (0x00000001U)
#define CA_CORE0_VLD_RVBARP (0x00000001U)
#define CR_VLD_BARP (0x00000001U << 0U)
#define CR_BAREN_VALID (0x00000001U << 4U)
#define CRRST_BIT (0x00000001U)
#if (RCAR_LSI == RCAR_V4H)
#define V4H_7_NI_CR (0x53U) /* 1400[MHz] = 50/3[MHz] x (0x53 + 0x1) */
#define V4H_5_NI_CR (0x41U) /* 1100[MHz] = 50/3[MHz] x (0x41 + 0x1) */
#define V4H_3_NI_CR (0x35U) /* 900[MHz] = 50/3[MHz] x (0x35 + 0x1) */
#elif (RCAR_LSI == RCAR_V4M)
#define V4M_7_NI_CR (0x53U) /* 1400[MHz] = 50/3[MHz] x (0x53 + 0x1) */
#define V4M_5_NI_CR (0x41U) /* 1100[MHz] = 50/3[MHz] x (0x41 + 0x1) */
#define V4M_3_NI_CR (0x35U) /* 900[MHz] = 50/3[MHz] x (0x35 + 0x1) */
#define V4M_2_NI_CR (0x35U) /* 900[MHz] = 50/3[MHz] x (0x35 + 0x1) */
# endif /* RCAR_LSI == RCAR_V4H */
#define CPG_PLL6CR0_KICK_BIT (0x80000000U)
#define CPG_PLLECR_PLL6ST_BIT (0x00008000U)
#define AP_CORE_APSREG_P_CCI500_AUX_ASPRTM (0x00000001U << 1U)
static void arm_cpu_set_address(uint32_t target, uint32_t boot_addr);
static void arm_cpu_set_address(uint32_t target, uint32_t boot_addr)
{
if(RCAR_PWR_TARGET_CR == target)
{
/* CR Boot address set */
mem_write32(APMU_CRBARP, (uint32_t)(boot_addr | CR_VLD_BARP));
mem_write32(APMU_CRBARP, (uint32_t)(boot_addr | CR_VLD_BARP | CR_BAREN_VALID));
}
else if(RCAR_PWR_TARGET_CA == target)
{
/* CA Boot address set */
mem_write32(APMU_RVBARPLC0, boot_addr | CA_CORE0_VLD_RVBARP);
mem_write32(APMU_RVBARPHC0, 0x00000000U);
}
else
{
/* No Process */
}
}
/* End of function arm_cpu_set_address(uint32_t target, uint32_t boot_addr) */
void arm_cpu_on(uint32_t target, uint32_t boot_addr)
{
uint32_t res_data;
if(RCAR_PWR_TARGET_CR == target)
{
/* CR Boot address set. */
arm_cpu_set_address(target, boot_addr);
synci();
/* CR reset. */
res_data = mem_read32(APMU_CRRSTCTRL);
res_data &= ~(CRRST_BIT);
mem_write32(APMU_CRRSTCTRL, res_data);
}
else if(RCAR_PWR_TARGET_CA == target)
{
/* CA Boot address set. */
arm_cpu_set_address(target, boot_addr);
/* AP-System core initialize */
res_data = mem_read32(ap_core_get_ap_cluster_n_aux0_addr(0U));
res_data |= AP_CORE_APSREG_AP_CLUSTER_N_AUX0_INIT;
mem_write32(ap_core_get_ap_cluster_n_aux0_addr(0U), res_data);
res_data = mem_read32(AP_CORE_APSREG_CCI500_AUX);
res_data |= AP_CORE_APSREG_CCI500_AUX_ACTDIS;
mem_write32(AP_CORE_APSREG_CCI500_AUX, res_data);
#if (RCAR_LSI == RCAR_V4H)
res_data = mem_read32(AP_CORE_APSREG_P_CCI500_AUX);
res_data |= AP_CORE_APSREG_P_CCI500_AUX_ASPRTM;
mem_write32(AP_CORE_APSREG_P_CCI500_AUX, res_data);
#endif /* RCAR_LSI == RCAR_V4H */
synci();
/* CA core0 wake up sequence. */
res_data = mem_read32(APMU_PWRCTRLC0);
res_data |= CA_CORE0_WUP_REQ;
mem_write32(APMU_PWRCTRLC0, res_data);
/* Wait until CA core0 wake up sequence finished. */
do
{
res_data = mem_read32(APMU_PWRCTRLC0);
}while(FALSE != (CA_CORE0_WUP_REQ & res_data));
}
else
{
/* No Process */
}
}
/* End of function arm_cpu_on(uint32_t target, uint32_t boot_addr) */
void adj_cr_variant_freq(void)
{
uint32_t product = mem_read32(OTP_MEM_OTPMONITOR17) & OTP_MEM_PRODUCT_MASK;
uint32_t pll6_freq = mem_read32(CPG_PLL6CR0);
#if (RCAR_LSI == RCAR_V4H)
/* Set the CPU frequency division ratio according to the type of variant. */
switch (product)
{
case VARIANT_V4H_7:
/* Default value, do nothing */;
break;
case VARIANT_V4H_5:
pll6_freq = (pll6_freq & ~(0xFFU << 20U));
pll6_freq = (pll6_freq | (V4H_5_NI_CR << 20U));
break;
case VARIANT_V4H_3:
pll6_freq = (pll6_freq & ~(0xFFU << 20U));
pll6_freq = (pll6_freq | (V4H_3_NI_CR << 20U));
break;
default:
; /* Do nothing */
break;
}
if (VARIANT_V4H_5 == product || VARIANT_V4H_3 == product)
{
/* Write Division value to FRQCRC0 register */
mem_write32(CPG_CPGWPR, ~(pll6_freq));
mem_write32(CPG_PLL6CR0, pll6_freq);
mem_write32(CPG_CPGWPR, ~(mem_read32(CPG_PLL6CR0) | CPG_PLL6CR0_KICK_BIT));
mem_write32(CPG_PLL6CR0, (mem_read32(CPG_PLL6CR0) | CPG_PLL6CR0_KICK_BIT));
while ((mem_read32(CPG_PLLECR) & CPG_PLLECR_PLL6ST_BIT) != CPG_PLLECR_PLL6ST_BIT)
{
;
}
}
#elif (RCAR_LSI == RCAR_V4M)
/* Set the CPU frequency division ratio according to the type of variant. */
switch (product)
{
case VARIANT_V4M_7:
/* Default value, do nothing */;
break;
case VARIANT_V4M_5:
pll6_freq = (pll6_freq & ~(0xFFU << 20U));
pll6_freq = (pll6_freq | (V4M_5_NI_CR << 20U));
break;
case VARIANT_V4M_3:
pll6_freq = (pll6_freq & ~(0xFFU << 20U));
pll6_freq = (pll6_freq | (V4M_3_NI_CR << 20U));
break;
case VARIANT_V4M_2:
pll6_freq = (pll6_freq & ~(0xFFU << 20U));
pll6_freq = (pll6_freq | (V4M_2_NI_CR << 20U));
break;
default:
; /* Do nothing */
break;
}
if (VARIANT_V4M_5 == product || VARIANT_V4M_3 == product || VARIANT_V4M_2 == product)
{
/* Write Division value to FRQCRC0 register */
mem_write32(CPG_CPGWPR, ~(pll6_freq));
mem_write32(CPG_PLL6CR0, pll6_freq);
mem_write32(CPG_CPGWPR, ~(mem_read32(CPG_PLL6CR0) | CPG_PLL6CR0_KICK_BIT));
mem_write32(CPG_PLL6CR0, (mem_read32(CPG_PLL6CR0) | CPG_PLL6CR0_KICK_BIT));
while ((mem_read32(CPG_PLLECR) & CPG_PLLECR_PLL6ST_BIT) != CPG_PLLECR_PLL6ST_BIT)
{
;
}
}
#endif /* RCAR_LSI == RCAR_V4H */
}
/* End of function adj_cpu_variant_freq(void) */