Merge "TF-A GICv2 driver: Introduce makefile" into integration
diff --git a/drivers/arm/gic/common/gic_common.c b/drivers/arm/gic/common/gic_common.c
index 38b2f67..bf6405f 100644
--- a/drivers/arm/gic/common/gic_common.c
+++ b/drivers/arm/gic/common/gic_common.c
@@ -1,9 +1,11 @@
/*
- * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
+#pragma message __FILE__ " is deprecated, use gicv2.mk instead"
+
#include <assert.h>
#include <drivers/arm/gic_common.h>
diff --git a/drivers/arm/gic/v2/gicdv2_helpers.c b/drivers/arm/gic/v2/gicdv2_helpers.c
new file mode 100644
index 0000000..db9ba87
--- /dev/null
+++ b/drivers/arm/gic/v2/gicdv2_helpers.c
@@ -0,0 +1,340 @@
+/*
+ * Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+
+#include <drivers/arm/gic_common.h>
+#include <lib/mmio.h>
+
+#include "../common/gic_common_private.h"
+
+/*******************************************************************************
+ * GIC Distributor interface accessors for reading entire registers
+ ******************************************************************************/
+/*
+ * Accessor to read the GIC Distributor IGROUPR corresponding to the interrupt
+ * `id`, 32 interrupt ids at a time.
+ */
+unsigned int gicd_read_igroupr(uintptr_t base, unsigned int id)
+{
+ unsigned int n = id >> IGROUPR_SHIFT;
+
+ return mmio_read_32(base + GICD_IGROUPR + (n << 2));
+}
+
+/*
+ * Accessor to read the GIC Distributor ISENABLER corresponding to the
+ * interrupt `id`, 32 interrupt ids at a time.
+ */
+unsigned int gicd_read_isenabler(uintptr_t base, unsigned int id)
+{
+ unsigned int n = id >> ISENABLER_SHIFT;
+
+ return mmio_read_32(base + GICD_ISENABLER + (n << 2));
+}
+
+/*
+ * Accessor to read the GIC Distributor ICENABLER corresponding to the
+ * interrupt `id`, 32 interrupt IDs at a time.
+ */
+unsigned int gicd_read_icenabler(uintptr_t base, unsigned int id)
+{
+ unsigned int n = id >> ICENABLER_SHIFT;
+
+ return mmio_read_32(base + GICD_ICENABLER + (n << 2));
+}
+
+/*
+ * Accessor to read the GIC Distributor ISPENDR corresponding to the
+ * interrupt `id`, 32 interrupt IDs at a time.
+ */
+unsigned int gicd_read_ispendr(uintptr_t base, unsigned int id)
+{
+ unsigned int n = id >> ISPENDR_SHIFT;
+
+ return mmio_read_32(base + GICD_ISPENDR + (n << 2));
+}
+
+/*
+ * Accessor to read the GIC Distributor ICPENDR corresponding to the
+ * interrupt `id`, 32 interrupt IDs at a time.
+ */
+unsigned int gicd_read_icpendr(uintptr_t base, unsigned int id)
+{
+ unsigned int n = id >> ICPENDR_SHIFT;
+
+ return mmio_read_32(base + GICD_ICPENDR + (n << 2));
+}
+
+/*
+ * Accessor to read the GIC Distributor ISACTIVER corresponding to the
+ * interrupt `id`, 32 interrupt IDs at a time.
+ */
+unsigned int gicd_read_isactiver(uintptr_t base, unsigned int id)
+{
+ unsigned int n = id >> ISACTIVER_SHIFT;
+
+ return mmio_read_32(base + GICD_ISACTIVER + (n << 2));
+}
+
+/*
+ * Accessor to read the GIC Distributor ICACTIVER corresponding to the
+ * interrupt `id`, 32 interrupt IDs at a time.
+ */
+unsigned int gicd_read_icactiver(uintptr_t base, unsigned int id)
+{
+ unsigned int n = id >> ICACTIVER_SHIFT;
+
+ return mmio_read_32(base + GICD_ICACTIVER + (n << 2));
+}
+
+/*
+ * Accessor to read the GIC Distributor IPRIORITYR corresponding to the
+ * interrupt `id`, 4 interrupt IDs at a time.
+ */
+unsigned int gicd_read_ipriorityr(uintptr_t base, unsigned int id)
+{
+ unsigned int n = id >> IPRIORITYR_SHIFT;
+
+ return mmio_read_32(base + GICD_IPRIORITYR + (n << 2));
+}
+
+/*
+ * Accessor to read the GIC Distributor ICGFR corresponding to the
+ * interrupt `id`, 16 interrupt IDs at a time.
+ */
+unsigned int gicd_read_icfgr(uintptr_t base, unsigned int id)
+{
+ unsigned int n = id >> ICFGR_SHIFT;
+
+ return mmio_read_32(base + GICD_ICFGR + (n << 2));
+}
+
+/*
+ * Accessor to read the GIC Distributor NSACR corresponding to the
+ * interrupt `id`, 16 interrupt IDs at a time.
+ */
+unsigned int gicd_read_nsacr(uintptr_t base, unsigned int id)
+{
+ unsigned int n = id >> NSACR_SHIFT;
+
+ return mmio_read_32(base + GICD_NSACR + (n << 2));
+}
+
+/*******************************************************************************
+ * GIC Distributor interface accessors for writing entire registers
+ ******************************************************************************/
+/*
+ * Accessor to write the GIC Distributor IGROUPR corresponding to the
+ * interrupt `id`, 32 interrupt IDs at a time.
+ */
+void gicd_write_igroupr(uintptr_t base, unsigned int id, unsigned int val)
+{
+ unsigned int n = id >> IGROUPR_SHIFT;
+
+ mmio_write_32(base + GICD_IGROUPR + (n << 2), val);
+}
+
+/*
+ * Accessor to write the GIC Distributor ISENABLER corresponding to the
+ * interrupt `id`, 32 interrupt IDs at a time.
+ */
+void gicd_write_isenabler(uintptr_t base, unsigned int id, unsigned int val)
+{
+ unsigned int n = id >> ISENABLER_SHIFT;
+
+ mmio_write_32(base + GICD_ISENABLER + (n << 2), val);
+}
+
+/*
+ * Accessor to write the GIC Distributor ICENABLER corresponding to the
+ * interrupt `id`, 32 interrupt IDs at a time.
+ */
+void gicd_write_icenabler(uintptr_t base, unsigned int id, unsigned int val)
+{
+ unsigned int n = id >> ICENABLER_SHIFT;
+
+ mmio_write_32(base + GICD_ICENABLER + (n << 2), val);
+}
+
+/*
+ * Accessor to write the GIC Distributor ISPENDR corresponding to the
+ * interrupt `id`, 32 interrupt IDs at a time.
+ */
+void gicd_write_ispendr(uintptr_t base, unsigned int id, unsigned int val)
+{
+ unsigned int n = id >> ISPENDR_SHIFT;
+
+ mmio_write_32(base + GICD_ISPENDR + (n << 2), val);
+}
+
+/*
+ * Accessor to write the GIC Distributor ICPENDR corresponding to the
+ * interrupt `id`, 32 interrupt IDs at a time.
+ */
+void gicd_write_icpendr(uintptr_t base, unsigned int id, unsigned int val)
+{
+ unsigned int n = id >> ICPENDR_SHIFT;
+
+ mmio_write_32(base + GICD_ICPENDR + (n << 2), val);
+}
+
+/*
+ * Accessor to write the GIC Distributor ISACTIVER corresponding to the
+ * interrupt `id`, 32 interrupt IDs at a time.
+ */
+void gicd_write_isactiver(uintptr_t base, unsigned int id, unsigned int val)
+{
+ unsigned int n = id >> ISACTIVER_SHIFT;
+
+ mmio_write_32(base + GICD_ISACTIVER + (n << 2), val);
+}
+
+/*
+ * Accessor to write the GIC Distributor ICACTIVER corresponding to the
+ * interrupt `id`, 32 interrupt IDs at a time.
+ */
+void gicd_write_icactiver(uintptr_t base, unsigned int id, unsigned int val)
+{
+ unsigned int n = id >> ICACTIVER_SHIFT;
+
+ mmio_write_32(base + GICD_ICACTIVER + (n << 2), val);
+}
+
+/*
+ * Accessor to write the GIC Distributor IPRIORITYR corresponding to the
+ * interrupt `id`, 4 interrupt IDs at a time.
+ */
+void gicd_write_ipriorityr(uintptr_t base, unsigned int id, unsigned int val)
+{
+ unsigned int n = id >> IPRIORITYR_SHIFT;
+
+ mmio_write_32(base + GICD_IPRIORITYR + (n << 2), val);
+}
+
+/*
+ * Accessor to write the GIC Distributor ICFGR corresponding to the
+ * interrupt `id`, 16 interrupt IDs at a time.
+ */
+void gicd_write_icfgr(uintptr_t base, unsigned int id, unsigned int val)
+{
+ unsigned int n = id >> ICFGR_SHIFT;
+
+ mmio_write_32(base + GICD_ICFGR + (n << 2), val);
+}
+
+/*
+ * Accessor to write the GIC Distributor NSACR corresponding to the
+ * interrupt `id`, 16 interrupt IDs at a time.
+ */
+void gicd_write_nsacr(uintptr_t base, unsigned int id, unsigned int val)
+{
+ unsigned int n = id >> NSACR_SHIFT;
+
+ mmio_write_32(base + GICD_NSACR + (n << 2), val);
+}
+
+/*******************************************************************************
+ * GIC Distributor functions for accessing the GIC registers
+ * corresponding to a single interrupt ID. These functions use bitwise
+ * operations or appropriate register accesses to modify or return
+ * the bit-field corresponding the single interrupt ID.
+ ******************************************************************************/
+unsigned int gicd_get_igroupr(uintptr_t base, unsigned int id)
+{
+ unsigned int bit_num = id & ((1U << IGROUPR_SHIFT) - 1U);
+ unsigned int reg_val = gicd_read_igroupr(base, id);
+
+ return (reg_val >> bit_num) & 0x1U;
+}
+
+void gicd_set_igroupr(uintptr_t base, unsigned int id)
+{
+ unsigned int bit_num = id & ((1U << IGROUPR_SHIFT) - 1U);
+ unsigned int reg_val = gicd_read_igroupr(base, id);
+
+ gicd_write_igroupr(base, id, reg_val | (1U << bit_num));
+}
+
+void gicd_clr_igroupr(uintptr_t base, unsigned int id)
+{
+ unsigned int bit_num = id & ((1U << IGROUPR_SHIFT) - 1U);
+ unsigned int reg_val = gicd_read_igroupr(base, id);
+
+ gicd_write_igroupr(base, id, reg_val & ~(1U << bit_num));
+}
+
+void gicd_set_isenabler(uintptr_t base, unsigned int id)
+{
+ unsigned int bit_num = id & ((1U << ISENABLER_SHIFT) - 1U);
+
+ gicd_write_isenabler(base, id, (1U << bit_num));
+}
+
+void gicd_set_icenabler(uintptr_t base, unsigned int id)
+{
+ unsigned int bit_num = id & ((1U << ICENABLER_SHIFT) - 1U);
+
+ gicd_write_icenabler(base, id, (1U << bit_num));
+}
+
+void gicd_set_ispendr(uintptr_t base, unsigned int id)
+{
+ unsigned int bit_num = id & ((1U << ISPENDR_SHIFT) - 1U);
+
+ gicd_write_ispendr(base, id, (1U << bit_num));
+}
+
+void gicd_set_icpendr(uintptr_t base, unsigned int id)
+{
+ unsigned int bit_num = id & ((1U << ICPENDR_SHIFT) - 1U);
+
+ gicd_write_icpendr(base, id, (1U << bit_num));
+}
+
+unsigned int gicd_get_isactiver(uintptr_t base, unsigned int id)
+{
+ unsigned int bit_num = id & ((1U << ISACTIVER_SHIFT) - 1U);
+ unsigned int reg_val = gicd_read_isactiver(base, id);
+
+ return (reg_val >> bit_num) & 0x1U;
+}
+
+void gicd_set_isactiver(uintptr_t base, unsigned int id)
+{
+ unsigned int bit_num = id & ((1U << ISACTIVER_SHIFT) - 1U);
+
+ gicd_write_isactiver(base, id, (1U << bit_num));
+}
+
+void gicd_set_icactiver(uintptr_t base, unsigned int id)
+{
+ unsigned int bit_num = id & ((1U << ICACTIVER_SHIFT) - 1U);
+
+ gicd_write_icactiver(base, id, (1U << bit_num));
+}
+
+void gicd_set_ipriorityr(uintptr_t base, unsigned int id, unsigned int pri)
+{
+ uint8_t val = pri & GIC_PRI_MASK;
+
+ mmio_write_8(base + GICD_IPRIORITYR + id, val);
+}
+
+void gicd_set_icfgr(uintptr_t base, unsigned int id, unsigned int cfg)
+{
+ /* Interrupt configuration is a 2-bit field */
+ unsigned int bit_num = id & ((1U << ICFGR_SHIFT) - 1U);
+ unsigned int bit_shift = bit_num << 1;
+
+ uint32_t reg_val = gicd_read_icfgr(base, id);
+
+ /* Clear the field, and insert required configuration */
+ reg_val &= ~(GIC_CFG_MASK << bit_shift);
+ reg_val |= ((cfg & GIC_CFG_MASK) << bit_shift);
+
+ gicd_write_icfgr(base, id, reg_val);
+}
diff --git a/drivers/arm/gic/v2/gicv2.mk b/drivers/arm/gic/v2/gicv2.mk
new file mode 100644
index 0000000..49996bb
--- /dev/null
+++ b/drivers/arm/gic/v2/gicv2.mk
@@ -0,0 +1,15 @@
+#
+# Copyright (c) 2020, Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+# No support for extended PPI and SPI range
+GIC_EXT_INTID := 0
+
+GICV2_SOURCES += drivers/arm/gic/v2/gicv2_main.c \
+ drivers/arm/gic/v2/gicv2_helpers.c \
+ drivers/arm/gic/v2/gicdv2_helpers.c
+
+# Set GICv2 build option
+$(eval $(call add_define,GIC_EXT_INTID))
\ No newline at end of file
diff --git a/plat/arm/board/a5ds/platform.mk b/plat/arm/board/a5ds/platform.mk
index 7693e46..5d610f4 100644
--- a/plat/arm/board/a5ds/platform.mk
+++ b/plat/arm/board/a5ds/platform.mk
@@ -14,9 +14,10 @@
plat/arm/common/arm_dyn_cfg_helpers.c \
common/fdt_wrappers.c
-A5DS_GIC_SOURCES := drivers/arm/gic/common/gic_common.c \
- drivers/arm/gic/v2/gicv2_main.c \
- drivers/arm/gic/v2/gicv2_helpers.c \
+# Include GICv2 driver files
+include drivers/arm/gic/v2/gicv2.mk
+
+A5DS_GIC_SOURCES := ${GICV2_SOURCES} \
plat/common/plat_gicv2.c \
plat/arm/common/arm_gicv2.c
diff --git a/plat/arm/board/corstone700/platform.mk b/plat/arm/board/corstone700/platform.mk
index 3398fba..513af3c 100644
--- a/plat/arm/board/corstone700/platform.mk
+++ b/plat/arm/board/corstone700/platform.mk
@@ -25,9 +25,10 @@
NEED_BL32 := yes
-CORSTONE700_GIC_SOURCES := drivers/arm/gic/common/gic_common.c \
- drivers/arm/gic/v2/gicv2_main.c \
- drivers/arm/gic/v2/gicv2_helpers.c \
+# Include GICv2 driver files
+include drivers/arm/gic/v2/gicv2.mk
+
+CORSTONE700_GIC_SOURCES := ${GICV2_SOURCES} \
plat/common/plat_gicv2.c \
plat/arm/common/arm_gicv2.c
diff --git a/plat/arm/board/fvp/platform.mk b/plat/arm/board/fvp/platform.mk
index c3b49bb..9b8fccc 100644
--- a/plat/arm/board/fvp/platform.mk
+++ b/plat/arm/board/fvp/platform.mk
@@ -72,13 +72,10 @@
GIC_ENABLE_V4_EXTN := 0
$(eval $(call add_define,GIC_ENABLE_V4_EXTN))
-# No support for extended PPI and SPI range
-GIC_EXT_INTID := 0
-$(eval $(call add_define,GIC_EXT_INTID))
+# Include GICv2 driver files
+include drivers/arm/gic/v2/gicv2.mk
-FVP_GIC_SOURCES := drivers/arm/gic/common/gic_common.c \
- drivers/arm/gic/v2/gicv2_main.c \
- drivers/arm/gic/v2/gicv2_helpers.c \
+FVP_GIC_SOURCES := ${GICV2_SOURCES} \
plat/common/plat_gicv2.c \
plat/arm/common/arm_gicv2.c
diff --git a/plat/arm/board/fvp_ve/platform.mk b/plat/arm/board/fvp_ve/platform.mk
index 62981c5..f8e38ff 100644
--- a/plat/arm/board/fvp_ve/platform.mk
+++ b/plat/arm/board/fvp_ve/platform.mk
@@ -11,10 +11,11 @@
BL2_SOURCES += drivers/arm/sp804/sp804_delay_timer.c
endif
-FVP_VE_GIC_SOURCES := drivers/arm/gic/common/gic_common.c \
- drivers/arm/gic/v2/gicv2_main.c \
- drivers/arm/gic/v2/gicv2_helpers.c \
- plat/common/plat_gicv2.c \
+# Include GICv2 driver files
+include drivers/arm/gic/v2/gicv2.mk
+
+FVP_VE_GIC_SOURCES := ${GICV2_SOURCES} \
+ plat/common/plat_gicv2.c \
plat/arm/common/arm_gicv2.c
FVP_VE_SECURITY_SOURCES := plat/arm/board/fvp_ve/fvp_ve_security.c
diff --git a/plat/arm/board/juno/platform.mk b/plat/arm/board/juno/platform.mk
index 8ca7f61..196d3c0 100644
--- a/plat/arm/board/juno/platform.mk
+++ b/plat/arm/board/juno/platform.mk
@@ -4,9 +4,10 @@
# SPDX-License-Identifier: BSD-3-Clause
#
-JUNO_GIC_SOURCES := drivers/arm/gic/common/gic_common.c \
- drivers/arm/gic/v2/gicv2_main.c \
- drivers/arm/gic/v2/gicv2_helpers.c \
+# Include GICv2 driver files
+include drivers/arm/gic/v2/gicv2.mk
+
+JUNO_GIC_SOURCES := ${GICV2_SOURCES} \
plat/common/plat_gicv2.c \
plat/arm/common/arm_gicv2.c
diff --git a/plat/nvidia/tegra/common/tegra_common.mk b/plat/nvidia/tegra/common/tegra_common.mk
index 82dd606..f412a80 100644
--- a/plat/nvidia/tegra/common/tegra_common.mk
+++ b/plat/nvidia/tegra/common/tegra_common.mk
@@ -1,5 +1,5 @@
#
-# Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
+# Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
# Copyright (c) 2020, NVIDIA Corporation. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
@@ -20,9 +20,10 @@
plat/common/plat_gicv3.c \
${COMMON_DIR}/tegra_gicv3.c
-TEGRA_GICv2_SOURCES := drivers/arm/gic/common/gic_common.c \
- drivers/arm/gic/v2/gicv2_main.c \
- drivers/arm/gic/v2/gicv2_helpers.c \
+# Include GICv2 driver files
+include drivers/arm/gic/v2/gicv2.mk
+
+TEGRA_GICv2_SOURCES := ${GICV2_SOURCES} \
plat/common/plat_gicv2.c \
${COMMON_DIR}/tegra_gicv2.c