mediatek: mt8183: refine GIC driver
Refine MTK GIC driver.
Remove unused codes.
Change-Id: I39e05ce7aa3c257e237fbc8e661cdde65cbcec7c
diff --git a/plat/mediatek/mt8183/include/mt_gic_v3.h b/plat/mediatek/mt8183/include/mt_gic_v3.h
index e2706f4..9d78ddb 100644
--- a/plat/mediatek/mt8183/include/mt_gic_v3.h
+++ b/plat/mediatek/mt8183/include/mt_gic_v3.h
@@ -9,11 +9,6 @@
#include <lib/mmio.h>
-enum irq_schedule_mode {
- SW_MODE,
- HW_MODE
-};
-
#define GIC_INT_MASK (MCUCFG_BASE + 0x5e8)
#define GIC500_ACTIVE_SEL_SHIFT 3
#define GIC500_ACTIVE_SEL_MASK (0x7 << GIC500_ACTIVE_SEL_SHIFT)
diff --git a/plat/mediatek/mt8183/plat_mt_gic.c b/plat/mediatek/mt8183/plat_mt_gic.c
index 2144379..ccb72be 100644
--- a/plat/mediatek/mt8183/plat_mt_gic.c
+++ b/plat/mediatek/mt8183/plat_mt_gic.c
@@ -1,14 +1,14 @@
/*
- * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2019, MediaTek Inc. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
+#include <assert.h>
#include <common/bl_common.h>
#include <common/debug.h>
#include <drivers/arm/gicv3.h>
#include <bl31/interrupt_mgmt.h>
-#include <../drivers/arm/gic/v3/gicv3_private.h>
#include <mt_gic_v3.h>
#include <mtk_plat_common.h>
#include "plat_private.h"
@@ -21,13 +21,9 @@
uintptr_t rdistif_base_addrs[PLATFORM_CORE_COUNT];
-/*
- * We save and restore the GICv3 context on system suspend. Allocate the
- * data in the designated EL3 Secure carve-out memory
- */
-gicv3_redist_ctx_t rdist_ctx __section("arm_el3_tzc_dram");
-gicv3_dist_ctx_t dist_ctx __section("arm_el3_tzc_dram");
-
+/* we save and restore the GICv3 context on system suspend */
+gicv3_redist_ctx_t rdist_ctx;
+gicv3_dist_ctx_t dist_ctx;
static unsigned int mt_mpidr_to_core_pos(u_register_t mpidr)
{
@@ -42,27 +38,6 @@
.mpidr_to_core_pos = mt_mpidr_to_core_pos,
};
-void setup_int_schedule_mode(enum irq_schedule_mode mode,
- unsigned int active_cpu)
-{
- assert(mode <= HW_MODE);
- assert(active_cpu <= 0xFF);
-
- if (mode == HW_MODE) {
- mmio_write_32(GIC_INT_MASK,
- (mmio_read_32(GIC_INT_MASK) & ~(GIC500_ACTIVE_SEL_MASK))
- | (0x1 << GIC500_ACTIVE_SEL_SHIFT));
- } else if (mode == SW_MODE) {
- mmio_write_32(GIC_INT_MASK,
- (mmio_read_32(GIC_INT_MASK) & ~(GIC500_ACTIVE_SEL_MASK)));
- }
-
- mmio_write_32(GIC_INT_MASK,
- (mmio_read_32(GIC_INT_MASK) & ~(GIC500_ACTIVE_CPU_MASK))
- | (active_cpu << GIC500_ACTIVE_CPU_SHIFT));
- return;
-}
-
void clear_sec_pol_ctl_en(void)
{
unsigned int i;
@@ -85,7 +60,6 @@
gicv3_rdistif_init(plat_my_core_pos());
gicv3_cpuif_enable(plat_my_core_pos());
- setup_int_schedule_mode(SW_MODE, 0xf);
clear_sec_pol_ctl_en();
}
@@ -94,14 +68,6 @@
gicv3_set_interrupt_pending(irq, plat_my_core_pos());
}
-uint32_t mt_gic_get_pending(uint32_t irq)
-{
- uint32_t bit = 1 << (irq % 32);
-
- return (mmio_read_32(gicv3_driver_data->gicd_base +
- GICD_ISPENDR + irq / 32 * 4) & bit) ? 1 : 0;
-}
-
void mt_gic_cpuif_enable(void)
{
gicv3_cpuif_enable(plat_my_core_pos());