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[U-Boot,v7,11/17] ARM: Add board-specific initialization hook for PSCI

Message ID 7719bf183af1e4046595ebcdfd53edf7c41e41db.1429593519.git.jan.kiszka@siemens.com
State Accepted
Delegated to: Tom Warren
Headers show

Commit Message

Jan Kiszka April 21, 2015, 5:18 a.m. UTC 
Tegra boards will have to initialize power management for the PSCI
support this way.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
 arch/arm/cpu/armv7/virt-v7.c | 6 ++++++
 arch/arm/include/asm/psci.h  | 1 +
 2 files changed, 7 insertions(+)
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Patch

diff --git a/arch/arm/cpu/armv7/virt-v7.c b/arch/arm/cpu/armv7/virt-v7.c
index 4cb8806..db4f6ad 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 50a3ca4..128a606 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__ */