summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-omap2/omap-mpuss-lowpower.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2017-04-20 10:35:33 -0400
committerDavid S. Miller <davem@davemloft.net>2017-04-20 10:35:33 -0400
commit7b9f6da175f9387ebfc202f35e0d39514899ab19 (patch)
treea884c05aaeff40d8f80831549cccc820dcdd0f4f /arch/arm/mach-omap2/omap-mpuss-lowpower.c
parent9868879f293c599ce13b584c5bd8800312970781 (diff)
parent1debdc8f9ebd07daf140e417b3841596911e0066 (diff)
downloadop-kernel-dev-7b9f6da175f9387ebfc202f35e0d39514899ab19.zip
op-kernel-dev-7b9f6da175f9387ebfc202f35e0d39514899ab19.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
A function in kernel/bpf/syscall.c which got a bug fix in 'net' was moved to kernel/bpf/verifier.c in 'net-next'. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/arm/mach-omap2/omap-mpuss-lowpower.c')
-rw-r--r--arch/arm/mach-omap2/omap-mpuss-lowpower.c22
1 files changed, 18 insertions, 4 deletions
diff --git a/arch/arm/mach-omap2/omap-mpuss-lowpower.c b/arch/arm/mach-omap2/omap-mpuss-lowpower.c
index 113ab2d..03ec6d3 100644
--- a/arch/arm/mach-omap2/omap-mpuss-lowpower.c
+++ b/arch/arm/mach-omap2/omap-mpuss-lowpower.c
@@ -64,6 +64,7 @@
#include "prm-regbits-44xx.h"
static void __iomem *sar_base;
+static u32 old_cpu1_ns_pa_addr;
#if defined(CONFIG_PM) && defined(CONFIG_SMP)
@@ -212,6 +213,11 @@ static void __init save_l2x0_context(void)
{}
#endif
+u32 omap4_get_cpu1_ns_pa_addr(void)
+{
+ return old_cpu1_ns_pa_addr;
+}
+
/**
* omap4_enter_lowpower: OMAP4 MPUSS Low Power Entry Function
* The purpose of this function is to manage low power programming
@@ -460,22 +466,30 @@ int __init omap4_mpuss_init(void)
void __init omap4_mpuss_early_init(void)
{
unsigned long startup_pa;
+ void __iomem *ns_pa_addr;
- if (!(cpu_is_omap44xx() || soc_is_omap54xx()))
+ if (!(soc_is_omap44xx() || soc_is_omap54xx()))
return;
sar_base = omap4_get_sar_ram_base();
- if (cpu_is_omap443x())
+ /* Save old NS_PA_ADDR for validity checks later on */
+ if (soc_is_omap44xx())
+ ns_pa_addr = sar_base + CPU1_WAKEUP_NS_PA_ADDR_OFFSET;
+ else
+ ns_pa_addr = sar_base + OMAP5_CPU1_WAKEUP_NS_PA_ADDR_OFFSET;
+ old_cpu1_ns_pa_addr = readl_relaxed(ns_pa_addr);
+
+ if (soc_is_omap443x())
startup_pa = __pa_symbol(omap4_secondary_startup);
- else if (cpu_is_omap446x())
+ else if (soc_is_omap446x())
startup_pa = __pa_symbol(omap4460_secondary_startup);
else if ((__boot_cpu_mode & MODE_MASK) == HYP_MODE)
startup_pa = __pa_symbol(omap5_secondary_hyp_startup);
else
startup_pa = __pa_symbol(omap5_secondary_startup);
- if (cpu_is_omap44xx())
+ if (soc_is_omap44xx())
writel_relaxed(startup_pa, sar_base +
CPU1_WAKEUP_NS_PA_ADDR_OFFSET);
else
OpenPOWER on IntegriCloud