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Code Issues Releases Activity

bdk: hwinit: add arbiter config

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This commit is contained in:
CTCaer 2024-05-19 10:07:06 +03:00
parent 16eb6a3c44
commit 985c513770
2 changed files with 27 additions and 2 deletions
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26
bdk/soc/hw_init.c
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@ -1,6 +1,6 @@
/*
* Copyright (c) 2018 naehrwert
* Copyright (c) 2018-2023 CTCaer
* Copyright (c) 2018-2024 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,
@ -93,6 +93,24 @@ static void _config_oscillators()
CLOCK(CLK_RST_CONTROLLER_CLK_SYSTEM_RATE) = 2; // Set HCLK div to 1 and PCLK div to 3.
}
void hw_config_arbiter(bool reset)
{
if (reset)
{
ARB_PRI(ARB_PRIO_CPU_PRIORITY) = 0x0040090;
ARB_PRI(ARB_PRIO_COP_PRIORITY) = 0x12024C2;
ARB_PRI(ARB_PRIO_VCP_PRIORITY) = 0x2201209;
ARB_PRI(ARB_PRIO_DMA_PRIORITY) = 0x320365B;
}
else
{
ARB_PRI(ARB_PRIO_CPU_PRIORITY) = 0x12412D1;
ARB_PRI(ARB_PRIO_COP_PRIORITY) = 0x0000000;
ARB_PRI(ARB_PRIO_VCP_PRIORITY) = 0x220244A;
ARB_PRI(ARB_PRIO_DMA_PRIORITY) = 0x320369B;
}
}
// The uart is skipped for Copper, Hoag and Calcio. Used in Icosa, Iowa and Aula.
static void _config_gpios(bool nx_hoag)
{
@ -406,6 +424,9 @@ void hw_init()
PMC(APBDEV_PMC_TZRAM_SEC_DISABLE) = PMC_TZRAM_DISABLE_REG_WRITE | PMC_TZRAM_DISABLE_REG_READ;
}
// Set arbiter.
hw_config_arbiter(false);
// Initialize External memory controller and configure DRAM parameters.
sdram_init();
@ -439,6 +460,9 @@ void hw_reinit_workaround(bool coreboot, u32 bl_magic)
// Flush/disable MMU cache.
bpmp_mmu_disable();
// Reset arbiter.
hw_config_arbiter(true);
// Re-enable clocks to Audio Processing Engine as a workaround to hanging.
if (tegra_t210)
{

3
bdk/soc/hw_init.h
View file

@ -1,6 +1,6 @@
/*
* Copyright (c) 2018 naehrwert
* Copyright (c) 2018-2021 CTCaer
* Copyright (c) 2018-2024 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,
@ -28,6 +28,7 @@ extern u32 hw_rst_reason;
void hw_init();
void hw_reinit_workaround(bool coreboot, u32 magic);
void hw_config_arbiter(bool reset);
u32 hw_get_chip_id();
#endif