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>
diff --git a/arch/arm/mach-tegra/tegra114/cpu.c b/arch/arm/mach-tegra/tegra114/cpu.c
index 62c1053..7d8f080 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 @@
/* Enable VDD_CPU */
enable_cpu_power_rail();
+ pmic_enable_cpu_vdd();
/* Get the CPU(s) running */
enable_cpu_clocks();