scottk/OpenCellular
1
0
Fork 0
mirror of https://github.com/Telecominfraproject/OpenCellular.git synced 2025-12-29 18:11:05 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #658 from soby-mathew/sm/init_spi_ppi_gic

Browse Source 
GIC: Ensure SGIs and PPIs are Group0 before setup
This commit is contained in:
danh-arm
2016-07-15 18:22:32 +01:00
committed by GitHub
parent e254e3fad4 47c6876a49
commit 9ca516bba7
1 changed files with 6 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/arm/gic/arm_gic.c
View File

@@ -1,5 +1,5 @@
/*
* Copyright (c) 2014, ARM Limited and Contributors. All rights reserved.
* Copyright (c) 2014-2016, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
@@ -205,10 +205,14 @@ void arm_gic_pcpu_distif_setup(void)
assert(g_irq_sec_ptr);
sec_ppi_sgi_mask = 0;
/* Ensure all SGIs and PPIs are Group0 to begin with */
gicd_write_igroupr(g_gicd_base, 0, 0);
for (index = 0; index < g_num_irqs; index++) {
irq_num = g_irq_sec_ptr[index];
if (irq_num < MIN_SPI_ID) {
/* We have an SGI or a PPI. They are Group0 at reset */
/* We have an SGI or a PPI */
sec_ppi_sgi_mask |= 1U << irq_num;
gicd_set_ipriorityr(g_gicd_base, irq_num,
GIC_HIGHEST_SEC_PRIORITY);