From 8632091e1e15b67bbf05b48a5ae7e612d1db36fe Mon Sep 17 00:00:00 2001
From: Svyatoslav Ryhel <clamor95@gmail.com>
Date: Tue, 3 Oct 2023 09:36:43 +0300
Subject: [PATCH] ARM: tegra114: enable base voltages setup from board
Tegra 4, same as Tegra 3, requires configuration of CPU and CORE
voltages in the SPL stage to boot properly. Expose function to be
able perform this configuration in the SPL section of the device
board.
Tested-by: Svyatoslav Ryhel <clamor95@gmail.com> # ASUS TF701T
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
---
arch/arm/mach-tegra/tegra114/cpu.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm/mach-tegra/tegra114/cpu.c b/arch/arm/mach-tegra/tegra114/cpu.c
index 62c1053630..7d8f080c31 100644
--- a/arch/arm/mach-tegra/tegra114/cpu.c
+++ b/arch/arm/mach-tegra/tegra114/cpu.c
@@ -13,9 +13,13 @@
#include <asm/arch/tegra.h>
#include <asm/arch-tegra/clk_rst.h>
#include <asm/arch-tegra/pmc.h>
+#include <asm/arch-tegra/tegra_i2c.h>
#include <linux/delay.h>
#include "../cpu.h"
+/* In case this function is not defined */
+__weak void pmic_enable_cpu_vdd(void) {}
+
/* Tegra114-specific CPU init code */
static void enable_cpu_power_rail(void)
{
@@ -254,6 +258,7 @@ void start_cpu(u32 reset_vector)
/* Enable VDD_CPU */
enable_cpu_power_rail();
+ pmic_enable_cpu_vdd();
/* Get the CPU(s) running */
enable_cpu_clocks();
--
2.39.5