NO GICv3 support at the moment!
Signed-off-by: Ralf Ramsauer <[email protected]>
---
inmates/lib/arm-common/gic-v2.c | 9 +++++++++
inmates/lib/arm-common/gic.c | 5 +++++
inmates/lib/arm-common/include/gic.h | 1 +
inmates/lib/arm-common/include/inmate.h | 1 +
4 files changed, 16 insertions(+)
diff --git a/inmates/lib/arm-common/gic-v2.c b/inmates/lib/arm-common/gic-v2.c
index 46999b0d..e0b590de 100644
--- a/inmates/lib/arm-common/gic-v2.c
+++ b/inmates/lib/arm-common/gic-v2.c
@@ -50,6 +50,7 @@
#define GICC_EOIR 0x0010
#define GICD_CTLR 0x0000
#define GICD_CTLR_ENABLE (1 << 0)
+#define GICD_SGIR 0xf00
#define GICC_CTLR_GRPEN1 (1 << 0)
@@ -80,9 +81,17 @@ static u32 gic_v2_read_ack(void)
return mmio_read32(GICC_V2_BASE + GICC_IAR);
}
+static void gic_v2_issue_sgi(u8 routing_mode, u8 target_list, u8 sgi)
+{
+ mmio_write32(GICD_V2_BASE + GICD_SGIR,
+ ((routing_mode & 0x3) << 24) |
+ (target_list << 16) | (sgi & 0xf));
+}
+
const struct gic gic_v2 = {
.init = gic_v2_init,
.enable = gic_v2_enable,
.write_eoi = gic_v2_write_eoi,
.read_ack = gic_v2_read_ack,
+ .issue_sgi = gic_v2_issue_sgi,
};
diff --git a/inmates/lib/arm-common/gic.c b/inmates/lib/arm-common/gic.c
index 475a38b6..0bd080de 100644
--- a/inmates/lib/arm-common/gic.c
+++ b/inmates/lib/arm-common/gic.c
@@ -81,3 +81,8 @@ void gic_enable_irq(unsigned int irq)
{
gic.enable(irq);
}
+
+void gic_issue_sgi(u8 routing_mode, u8 target_list, u8 sgi)
+{
+ gic.issue_sgi(routing_mode, target_list, sgi);
+}
diff --git a/inmates/lib/arm-common/include/gic.h
b/inmates/lib/arm-common/include/gic.h
index 86c1e389..09ca90e1 100644
--- a/inmates/lib/arm-common/include/gic.h
+++ b/inmates/lib/arm-common/include/gic.h
@@ -56,6 +56,7 @@ struct gic {
void (*enable)(unsigned int irqn);
void (*write_eoi)(u32 irqn);
u32 (*read_ack)(void);
+ void (*issue_sgi)(u8 routing_mode, u8 target_list, u8 sgi);
};
extern const struct gic gic_v2, gic_v3;
diff --git a/inmates/lib/arm-common/include/inmate.h
b/inmates/lib/arm-common/include/inmate.h
index 6611b311..c9ea6063 100644
--- a/inmates/lib/arm-common/include/inmate.h
+++ b/inmates/lib/arm-common/include/inmate.h
@@ -89,6 +89,7 @@ static inline unsigned long cpu_id(void)
typedef void (*irq_handler_t)(unsigned int);
void gic_setup(irq_handler_t handler, void *irq_stack);
void gic_enable_irq(unsigned int irq);
+void gic_issue_sgi(u8 routing_mode, u8 target_list, u8 sgi);
unsigned long timer_get_frequency(void);
u64 timer_get_ticks(void);
--
2.14.1
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