[U-Boot] [PATCH v6 10/15] tegra: Add ap_pm_init hook

[Jan Kiszka]

This function will be used to initialize CPU power management for Tegra
SOCs. For now it does nothing.

Signed-off-by: Jan Kiszka <jan.kiszka at siemens.com>
Reviewed-by: Tom Rini <trini at konsulko.com>
Reviewed-by: Thierry Reding <treding at nvidia.com>
Tested-by: Thierry Reding <treding at nvidia.com>
Tested-by: Ian Campbell <ijc at hellion.org.uk>
---
 arch/arm/include/asm/arch-tegra/ap.h | 5 +++++
 board/nvidia/common/board.c          | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/arch/arm/include/asm/arch-tegra/ap.h b/arch/arm/include/asm/arch-tegra/ap.h
index ca40e4e..c2b16cf 100644
--- a/arch/arm/include/asm/arch-tegra/ap.h
+++ b/arch/arm/include/asm/arch-tegra/ap.h
@@ -63,6 +63,11 @@ int tegra_get_chip(void);
  */
 int tegra_get_sku_info(void);
 
+/**
+ * Initialize power management for application processors
+ */
+void ap_pm_init(void);
+
 /* Do any chip-specific cache config */
 void config_cache(void);
 
diff --git a/board/nvidia/common/board.c b/board/nvidia/common/board.c
index 018dddb..c3d7789 100644
--- a/board/nvidia/common/board.c
+++ b/board/nvidia/common/board.c
@@ -57,6 +57,7 @@ const struct tegra_sysinfo sysinfo = {
 	CONFIG_TEGRA_BOARD_STRING
 };
 
+__weak void ap_pm_init(void) {}
 __weak void pinmux_init(void) {}
 __weak void pin_mux_usb(void) {}
 __weak void pin_mux_spi(void) {}
@@ -97,6 +98,8 @@ int board_init(void)
 	clock_init();
 	clock_verify();
 
+	ap_pm_init();
+
 #ifdef CONFIG_TEGRA_SPI
 	pin_mux_spi();
 #endif
-- 
2.1.4