feat(mt8188): initialize platform for MediaTek MT8188
- Add basic platform setup.
- Add MT8188 documentation at docs/plat/.
- Add generic CPU helper functions.
- Add basic register address.
- Add mtk_pm.c in lib/pm
TEST=build pass
BUG=b:236331724
Change-Id: I5f8617c42ffba2c9d3a16f3980cb75fda5624031
diff --git a/plat/mediatek/mt8188/aarch64/plat_helpers.S b/plat/mediatek/mt8188/aarch64/plat_helpers.S
new file mode 100644
index 0000000..7073ab1
--- /dev/null
+++ b/plat/mediatek/mt8188/aarch64/plat_helpers.S
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2022, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+#include <platform_def.h>
+
+ .globl plat_is_my_cpu_primary
+ .globl plat_my_core_pos
+ .globl plat_mediatek_calc_core_pos
+
+func plat_is_my_cpu_primary
+ mrs x0, mpidr_el1
+ and x0, x0, #(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK)
+ cmp x0, #PLAT_PRIMARY_CPU
+ cset x0, eq
+ ret
+endfunc plat_is_my_cpu_primary
+
+ /* -----------------------------------------------------
+ * unsigned int plat_my_core_pos(void)
+ * This function uses the plat_mediatek_calc_core_pos()
+ * definition to get the index of the calling CPU.
+ * -----------------------------------------------------
+ */
+func plat_my_core_pos
+ mrs x0, mpidr_el1
+ b plat_mediatek_calc_core_pos
+endfunc plat_my_core_pos
+
+ /* -----------------------------------------------------
+ * unsigned int plat_mediatek_calc_core_pos(u_register_t mpidr);
+ *
+ * With this function: CorePos = CoreID (AFF1)
+ * we do it with x0 = (x0 >> 8) & 0xff
+ * -----------------------------------------------------
+ */
+func plat_mediatek_calc_core_pos
+ mov x1, #MPIDR_AFFLVL_MASK
+ and x0, x1, x0, lsr #MPIDR_AFF1_SHIFT
+ ret
+endfunc plat_mediatek_calc_core_pos
diff --git a/plat/mediatek/mt8188/include/plat_helpers.h b/plat/mediatek/mt8188/include/plat_helpers.h
new file mode 100644
index 0000000..eb78623
--- /dev/null
+++ b/plat/mediatek/mt8188/include/plat_helpers.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2022, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLAT_HELPERS_H
+#define PLAT_HELPERS_H
+
+unsigned int plat_mediatek_calc_core_pos(u_register_t mpidr);
+
+#endif /* PLAT_HELPERS_H */
diff --git a/plat/mediatek/mt8188/include/plat_macros.S b/plat/mediatek/mt8188/include/plat_macros.S
new file mode 100644
index 0000000..a6e05a9
--- /dev/null
+++ b/plat/mediatek/mt8188/include/plat_macros.S
@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2022, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLAT_MACROS_S
+#define PLAT_MACROS_S
+
+#include <platform_def.h>
+
+.section .rodata.gic_reg_name, "aS"
+gicc_regs:
+ .asciz "gicc_hppir", "gicc_ahppir", "gicc_ctlr", ""
+gicd_pend_reg:
+ .asciz "gicd_ispendr regs (Offsets 0x200 - 0x278)\n" \
+ " Offset:\t\t\tvalue\n"
+newline:
+ .asciz "\n"
+spacer:
+ .asciz ":\t\t0x"
+
+.section .rodata.cci_reg_name, "aS"
+cci_iface_regs:
+ .asciz "cci_snoop_ctrl_cluster0", "cci_snoop_ctrl_cluster1" , ""
+
+ /* ---------------------------------------------
+ * The below macro prints out relevant GIC
+ * registers whenever an unhandled exception
+ * is taken in BL31.
+ * Clobbers: x0 - x10, x26, x27, sp
+ * ---------------------------------------------
+ */
+ .macro plat_crash_print_regs
+ /* TODO: leave implementation to GIC owner */
+ .endm
+
+#endif /* PLAT_MACROS_S */
diff --git a/plat/mediatek/mt8188/include/plat_private.h b/plat/mediatek/mt8188/include/plat_private.h
new file mode 100644
index 0000000..4d4ac85
--- /dev/null
+++ b/plat/mediatek/mt8188/include/plat_private.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLAT_PRIVATE_H
+#define PLAT_PRIVATE_H
+
+/*******************************************************************************
+ * Function and variable prototypes
+ ******************************************************************************/
+void plat_configure_mmu_el3(uintptr_t total_base,
+ uintptr_t total_size,
+ uintptr_t ro_start,
+ uintptr_t ro_limit);
+
+#endif /* PLAT_PRIVATE_H */
diff --git a/plat/mediatek/mt8188/plat_config.mk b/plat/mediatek/mt8188/plat_config.mk
new file mode 100644
index 0000000..e5b3fc5
--- /dev/null
+++ b/plat/mediatek/mt8188/plat_config.mk
@@ -0,0 +1,32 @@
+#
+# Copyright (c) 2022, MediaTek Inc. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+# Separate text code and read only data
+SEPARATE_CODE_AND_RODATA := 1
+# ARMv8.2 and above need enable HW assist coherence
+HW_ASSISTED_COHERENCY := 1
+# No need coherency memory because of HW assistency
+USE_COHERENT_MEM := 0
+# GIC600
+GICV3_SUPPORT_GIC600 := 1
+#
+# MTK options
+#
+PLAT_EXTRA_RODATA_INCLUDES := 1
+
+# Configs for A78 and A55
+CTX_INCLUDE_AARCH32_REGS := 0
+ERRATA_A55_1530923 := 1
+ERRATA_A55_1221012 := 1
+ERRATA_A78_1688305 := 1
+ERRATA_A78_1941498 := 1
+ERRATA_A78_1951500 := 1
+ERRATA_A78_1821534 := 1
+ERRATA_A78_2132060 := 1
+ERRATA_A78_2242635 := 1
+
+MACH_MT8188 := 1
+$(eval $(call add_define,MACH_MT8188))
diff --git a/plat/mediatek/mt8188/plat_mmap.c b/plat/mediatek/mt8188/plat_mmap.c
new file mode 100644
index 0000000..0d4cbe8
--- /dev/null
+++ b/plat/mediatek/mt8188/plat_mmap.c
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdint.h>
+#include <mtk_mmap_pool.h>
+#include <platform_def.h>
+
+static const mmap_region_t plat_mmap[] = {
+ MAP_REGION_FLAT(MTK_DEV_RNG0_BASE, MTK_DEV_RNG0_SIZE,
+ MT_DEVICE | MT_RW | MT_SECURE),
+ MAP_REGION_FLAT(MTK_DEV_RNG1_BASE, MTK_DEV_RNG1_SIZE,
+ MT_DEVICE | MT_RW | MT_SECURE),
+ { 0 }
+};
+DECLARE_MTK_MMAP_REGIONS(plat_mmap);
diff --git a/plat/mediatek/mt8188/plat_topology.c b/plat/mediatek/mt8188/plat_topology.c
new file mode 100644
index 0000000..9fa2855
--- /dev/null
+++ b/plat/mediatek/mt8188/plat_topology.c
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2022, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <arch_helpers.h>
+#include <lib/psci/psci.h>
+
+#include <plat_helpers.h>
+#include <platform_def.h>
+
+const unsigned char mtk_power_domain_tree_desc[] = {
+ /* Number of root nodes */
+ PLATFORM_SYSTEM_COUNT,
+ /* Number of children for the root node */
+ PLATFORM_MCUSYS_COUNT,
+ /* Number of children for the mcusys node */
+ PLATFORM_CLUSTER_COUNT,
+ /* Number of children for the first cluster node */
+ PLATFORM_CLUSTER0_CORE_COUNT,
+};
+
+const unsigned char *plat_get_power_domain_tree_desc(void)
+{
+ return mtk_power_domain_tree_desc;
+}
+
+/*******************************************************************************
+ * This function implements a part of the critical interface between the psci
+ * generic layer and the platform that allows the former to query the platform
+ * to convert an MPIDR to a unique linear index. An error code (-1) is returned
+ * in case the MPIDR is invalid.
+ ******************************************************************************/
+int plat_core_pos_by_mpidr(u_register_t mpidr)
+{
+ unsigned int cluster_id, cpu_id;
+
+ if ((read_mpidr() & MPIDR_MT_MASK) != 0) {
+ /* ARMv8.2 arch */
+ if ((mpidr & (MPIDR_AFFLVL_MASK << MPIDR_AFF0_SHIFT)) != 0) {
+ return -1;
+ }
+ return plat_mediatek_calc_core_pos(mpidr);
+ }
+
+ mpidr &= MPIDR_AFFINITY_MASK;
+
+ if ((mpidr & ~(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK)) != 0) {
+ return -1;
+ }
+
+ cluster_id = (mpidr >> MPIDR_AFF1_SHIFT) & MPIDR_AFFLVL_MASK;
+ cpu_id = (mpidr >> MPIDR_AFF0_SHIFT) & MPIDR_AFFLVL_MASK;
+
+ if (cluster_id >= PLATFORM_CLUSTER_COUNT) {
+ return -1;
+ }
+
+ /*
+ * Validate cpu_id by checking whether it represents a CPU in
+ * one of the two clusters present on the platform.
+ */
+ if (cpu_id >= PLATFORM_MAX_CPUS_PER_CLUSTER) {
+ return -1;
+ }
+
+ return (cpu_id + (cluster_id * 8));
+}
diff --git a/plat/mediatek/mt8188/platform.mk b/plat/mediatek/mt8188/platform.mk
new file mode 100644
index 0000000..bffce41
--- /dev/null
+++ b/plat/mediatek/mt8188/platform.mk
@@ -0,0 +1,47 @@
+#
+# Copyright (c) 2022, MediaTek Inc. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+MTK_PLAT := plat/mediatek
+MTK_PLAT_SOC := ${MTK_PLAT}/${PLAT}
+MTK_SOC := ${PLAT}
+
+include plat/mediatek/build_helpers/mtk_build_helpers.mk
+include drivers/arm/gic/v3/gicv3.mk
+include lib/xlat_tables_v2/xlat_tables.mk
+
+PLAT_INCLUDES := -I${MTK_PLAT}/common \
+ -I${MTK_PLAT}/include \
+ -I${MTK_PLAT}/include/${MTK_SOC} \
+ -I${MTK_PLAT} \
+ -I${MTK_PLAT_SOC}/include \
+ -Idrivers/arm/gic \
+
+MODULES-y += $(MTK_PLAT)/common
+MODULES-y += $(MTK_PLAT)/lib/mtk_init
+MODULES-y += $(MTK_PLAT)/lib/pm
+
+PLAT_BL_COMMON_SOURCES := common/desc_image_load.c \
+ drivers/ti/uart/aarch64/16550_console.S \
+ lib/bl_aux_params/bl_aux_params.c
+
+BL31_SOURCES += drivers/delay_timer/delay_timer.c \
+ drivers/delay_timer/generic_delay_timer.c \
+ lib/cpus/aarch64/cortex_a55.S \
+ lib/cpus/aarch64/cortex_a78.S \
+ ${GICV3_SOURCES} \
+ ${XLAT_TABLES_LIB_SRCS} \
+ plat/common/plat_gicv3.c \
+ plat/common/plat_psci_common.c \
+ plat/common/aarch64/crash_console_helpers.S \
+ ${MTK_PLAT}/common/mtk_plat_common.c \
+ ${MTK_PLAT}/common/params_setup.c \
+ ${MTK_PLAT_SOC}/aarch64/plat_helpers.S \
+ $(MTK_PLAT)/$(MTK_SOC)/plat_mmap.c \
+ $(MTK_PLAT)/$(MTK_SOC)/plat_topology.c
+
+include plat/mediatek/build_helpers/mtk_build_helpers_epilogue.mk
+
+include lib/coreboot/coreboot.mk