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

Jan Kiszka
2015-04-13T04:48:15Z

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@siemens.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Tested-by: Thierry Reding <treding@nvidia.com>
Tested-by: Ian Campbell <ijc@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