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 62c10536306be8d12c4758e5a78278e922540f3a..7d8f080c310caf02ee3b688b0dc7f4c319b33f0a 100644 (file)
--- 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();