From ce416fac3802528702e46663882d67cb8561b4c8 Mon Sep 17 00:00:00 2001
From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Tue, 21 Apr 2015 07:18:34 +0200
Subject: [PATCH] ARM: Add board-specific initialization hook for PSCI
Tegra boards will have to initialize power management for the PSCI
support this way.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
---
arch/arm/cpu/armv7/virt-v7.c | 6 ++++++
arch/arm/include/asm/psci.h | 1 +
2 files changed, 7 insertions(+)
diff --git a/arch/arm/cpu/armv7/virt-v7.c b/arch/arm/cpu/armv7/virt-v7.c
index 4cb8806238..db4f6ad679 100644
--- a/arch/arm/cpu/armv7/virt-v7.c
+++ b/arch/arm/cpu/armv7/virt-v7.c
@@ -75,6 +75,10 @@ void __weak smp_kick_all_cpus(void)
kick_secondary_cpus_gic(gic_dist_addr);
}
+__weak void psci_board_init(void)
+{
+}
+
int armv7_init_nonsec(void)
{
unsigned int reg;
@@ -112,6 +116,8 @@ int armv7_init_nonsec(void)
for (i = 1; i <= itlinesnr; i++)
writel((unsigned)-1, gic_dist_addr + GICD_IGROUPRn + 4 * i);
+ psci_board_init();
+
/*
* Relocate secure section before any cpu runs in secure ram.
* smp_kick_all_cpus may enable other cores and runs into secure
diff --git a/arch/arm/include/asm/psci.h b/arch/arm/include/asm/psci.h
index 50a3ca45e1..128a606444 100644
--- a/arch/arm/include/asm/psci.h
+++ b/arch/arm/include/asm/psci.h
@@ -34,6 +34,7 @@
#ifndef __ASSEMBLY__
int psci_update_dt(void *fdt);
+void psci_board_init(void);
#endif /* ! __ASSEMBLY__ */
#endif /* __ARM_PSCI_H__ */
--
2.39.5