From ce416fac3802528702e46663882d67cb8561b4c8 Mon Sep 17 00:00:00 2001 From: Jan Kiszka 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 Signed-off-by: Tom Warren --- 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__ */