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-rw-r--r--src/mainboard/arm/rdn2/Kconfig64
-rw-r--r--src/mainboard/arm/rdn2/Kconfig.name8
-rw-r--r--src/mainboard/arm/rdn2/Makefile.mk19
-rw-r--r--src/mainboard/arm/rdn2/acpi.c207
-rw-r--r--src/mainboard/arm/rdn2/board_info.txt3
-rw-r--r--src/mainboard/arm/rdn2/bootblock.c37
-rw-r--r--src/mainboard/arm/rdn2/bootblock_custom.S31
-rw-r--r--src/mainboard/arm/rdn2/cbmem.c11
-rw-r--r--src/mainboard/arm/rdn2/chip.h11
-rw-r--r--src/mainboard/arm/rdn2/devicetree.cb10
-rw-r--r--src/mainboard/arm/rdn2/dsdt.asl227
-rw-r--r--src/mainboard/arm/rdn2/flash.fmd9
-rw-r--r--src/mainboard/arm/rdn2/include/mainboard/addressmap.h97
-rw-r--r--src/mainboard/arm/rdn2/mainboard.c156
-rw-r--r--src/mainboard/arm/rdn2/media.c13
-rw-r--r--src/mainboard/arm/rdn2/memlayout.ld27
-rw-r--r--src/mainboard/arm/rdn2/pptt.c218
-rw-r--r--src/mainboard/arm/rdn2/uart.c9
18 files changed, 1157 insertions, 0 deletions
diff --git a/src/mainboard/arm/rdn2/Kconfig b/src/mainboard/arm/rdn2/Kconfig
new file mode 100644
index 0000000000..106684ccb0
--- /dev/null
+++ b/src/mainboard/arm/rdn2/Kconfig
@@ -0,0 +1,64 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+if BOARD_ARM_RDN2
+
+config BOARD_SPECIFIC_OPTIONS
+ def_bool y
+ select ARCH_BOOTBLOCK_ARMV8_64
+ select ARCH_VERSTAGE_ARMV8_64
+ select ARCH_ROMSTAGE_ARMV8_64
+ select ARCH_RAMSTAGE_ARMV8_64
+ select ARM64_USE_ARCH_TIMER
+ select BOARD_ROMSIZE_KB_65536
+ select BOOTBLOCK_CUSTOM
+ select DRIVERS_UART_PL011
+ select HAVE_ACPI_TABLES
+ select ACPI_GTDT
+ select ACPI_COMMON_MADT_GICC_V3
+ select MISSING_BOARD_RESET
+ select PCI
+ select PROBE_RAM
+ select ACPI_IORT
+ select ACPI_GTDT
+ select ACPI_COMMON_MADT_GICC_V3
+ select ACPI_PPTT
+ select GENERATE_SMBIOS_TABLES
+
+config ARM64_CURRENT_EL
+ default 2
+
+config ECAM_MMCONF_BASE_ADDRESS
+ default 0x1010000000
+
+config ECAM_MMCONF_BUS_NUMBER
+ default 256
+
+config MEMLAYOUT_LD_FILE
+ string
+ default "src/mainboard/arm/rdn2/memlayout.ld"
+
+config FATAL_ASSERTS
+ default y
+
+config FMDFILE
+ default "src/mainboard/arm/rdn2/flash.fmd"
+
+config MAINBOARD_DIR
+ default "arm/rdn2"
+
+config MAINBOARD_PART_NUMBER
+ default "Neoverse N2"
+
+config MAX_CPUS
+ int
+ default 128
+
+config MAINBOARD_VENDOR
+ string
+ default "Arm"
+
+config DRAM_SIZE_MB
+ int
+ default 2048
+
+endif # BOARD_ARM_RDN2
diff --git a/src/mainboard/arm/rdn2/Kconfig.name b/src/mainboard/arm/rdn2/Kconfig.name
new file mode 100644
index 0000000000..1a9eed5f82
--- /dev/null
+++ b/src/mainboard/arm/rdn2/Kconfig.name
@@ -0,0 +1,8 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+config BOARD_ARM_RDN2
+ bool "Neoverse N2"
+ help
+ To execute, do:
+ FVP_RD_N2\models\Win64_VC2019\FVP_RD_N2 -C board.flashloader0.fname=coreboot.rom \
+ -C css.trustedBootROMloader.fname=bl1.bin
diff --git a/src/mainboard/arm/rdn2/Makefile.mk b/src/mainboard/arm/rdn2/Makefile.mk
new file mode 100644
index 0000000000..efc6de97f9
--- /dev/null
+++ b/src/mainboard/arm/rdn2/Makefile.mk
@@ -0,0 +1,19 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+bootblock-y += bootblock.c
+
+romstage-y += cbmem.c
+
+bootblock-y += media.c
+romstage-y += media.c
+ramstage-y += media.c
+
+bootblock-y += uart.c
+romstage-y += uart.c
+ramstage-y += uart.c
+ramstage-y += acpi.c
+ramstage-$(CONFIG_ACPI_PPTT) += pptt.c
+
+bootblock-y += bootblock_custom.S
+
+CPPFLAGS_common += -I$(src)/mainboard/$(MAINBOARDDIR)/include
diff --git a/src/mainboard/arm/rdn2/acpi.c b/src/mainboard/arm/rdn2/acpi.c
new file mode 100644
index 0000000000..941c2f4767
--- /dev/null
+++ b/src/mainboard/arm/rdn2/acpi.c
@@ -0,0 +1,207 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <acpi/acpi.h>
+#include <acpi/acpi_iort.h>
+#include <console/console.h>
+#include <mainboard/addressmap.h>
+#include <stdio.h>
+
+void acpi_fill_fadt(acpi_fadt_t *fadt)
+{
+}
+
+unsigned long acpi_fill_madt(unsigned long current)
+{
+ return current;
+}
+
+uintptr_t platform_get_gicd_base(void)
+{
+ return RDN2_GIC_DIST;
+}
+
+uintptr_t platform_get_gicr_base(void)
+{
+ return RDN2_GIC_REDIST;
+}
+
+void platform_fill_gicc(acpi_madt_gicc_t *gicc)
+{
+ gicc->physical_base_address = platform_get_gicd_base();
+ gicc->gicv = RDN2_VGIC_BASE;
+ gicc->gich = RDN2_HGIC_BASE;
+
+ if (gicc->mpidr >> 16 == 0xf)
+ gicc->trbe_interrupt = 0x180c;
+ else
+ gicc->trbe_interrupt = 0x500b;
+}
+
+static uintptr_t gic_its[] = {
+ RDN2_GIC_ITS(0),
+ RDN2_GIC_ITS(1),
+ RDN2_GIC_ITS(2),
+ RDN2_GIC_ITS(3),
+ RDN2_GIC_ITS(4),
+ RDN2_GIC_ITS(5)
+};
+
+int platform_get_gic_its(uintptr_t **base)
+{
+ *base = gic_its;
+ return ARRAY_SIZE(gic_its);
+}
+
+void mainboard_fill_fadt(acpi_fadt_t *fadt)
+{
+ fadt->preferred_pm_profile = PM_DESKTOP;
+ fadt->ARM_boot_arch = 1;
+}
+
+void acpi_soc_fill_gtdt(acpi_gtdt_t *gtdt)
+{
+ /* his value is optional if the system implements EL3 (Security
+ Extensions). If not provided, this field must be 0xFFFFFFFFFFFFFFFF. */
+ gtdt->counter_block_address = UINT64_MAX;
+ gtdt->secure_el1_interrupt = SEC_EL1_TIMER_GISV;
+ gtdt->secure_el1_flags = RDN2_TIMER_FLAGS;
+ gtdt->non_secure_el1_interrupt = NONSEC_EL1_TIMER_GSIV;
+ gtdt->non_secure_el1_flags = RDN2_TIMER_FLAGS;
+ gtdt->virtual_timer_interrupt = VIRTUAL_TIMER_GSIV;
+ gtdt->virtual_timer_flags = RDN2_TIMER_FLAGS;
+ gtdt->non_secure_el2_interrupt = NONSEC_EL2_TIMER_GSIV;
+ gtdt->non_secure_el2_flags = RDN2_TIMER_FLAGS;
+ /* his value is optional if the system implements EL3
+ (Security Extensions). If not provided, this field must be
+ 0xFFFFFFFFFFFFFFF. */
+ gtdt->counter_read_block_address = UINT64_MAX;
+}
+
+unsigned long acpi_soc_gtdt_add_timers(uint32_t *count, unsigned long current)
+{
+ struct acpi_gtdt_timer_entry timers[2];
+
+ memset(timers, 0, sizeof(timers));
+ (*count)++;
+ timers[0].frame_number = 0;
+ timers[0].base_address = RDN2_GT_FRAME1_CTL_BASE;
+ timers[0].el0_base_address = UINT64_MAX;
+ timers[0].timer_interrupt = RDN2_GT_FRAME1_GSIV;
+ timers[0].timer_flags = 0;
+ timers[0].virtual_timer_interrupt = 0;
+ timers[0].virtual_timer_flags = 0;
+ timers[0].common_flags = ACPI_GTDT_GT_ALWAYS_ON;
+
+
+ (*count)++;
+ timers[1].frame_number = 1;
+ timers[1].base_address = RDN2_GT_FRAME0_CTL_BASE;
+ timers[1].el0_base_address = UINT64_MAX;
+ timers[1].timer_interrupt = RDN2_GT_FRAME0_GSIV;
+ timers[1].timer_flags = 0;
+ timers[1].virtual_timer_interrupt = 0;
+ timers[1].virtual_timer_flags = 0;
+ timers[1].common_flags = ACPI_GTDT_GT_ALWAYS_ON | ACPI_GTDT_GT_IS_SECURE_TIMER;
+
+ current = acpi_gtdt_add_timer_block(current, RDN2_GT_CTL_BASE, timers, 2);
+
+ (*count)++;
+ current = acpi_gtdt_add_watchdog(current, RDN2_GWDT_REFRESH, RDN2_GWDT_CONTROL,
+ RDN2_GWDT_WS0_GSIV, 0);
+ /* Secure */
+ current = acpi_gtdt_add_watchdog(current, RDN2_GWDT_REFRESH, RDN2_GWDT_CONTROL,
+ RDN2_GWDT_WS1_GSIV, ACPI_GTDT_WATCHDOG_SECURE);
+
+ return current;
+}
+
+static unsigned long acpi_soc_fill_iort_tcu4(acpi_iort_t *iort, unsigned long current)
+{
+ acpi_iort_node_t *its, *smmu_v3, *named_comp;
+ u32 identifiers[] = {4};
+ u32 its_reference, smmuv3_reference;
+
+ current = acpi_iort_its_entry(current, iort, &its, 1, identifiers);
+ its_reference = (unsigned long)its - (unsigned long)iort;
+
+ current = acpi_iort_smmuv3_entry(current, iort, &smmu_v3, RDN2_SMMU_V3(4), ACPI_IORT_SMMU_V3_FLAGS);
+ smmuv3_reference = (unsigned long)smmu_v3 - (unsigned long)iort;
+
+ /* Individual maps here */
+ current = acpi_iort_id_map_entry(current, smmu_v3, 0, 1, 0x80000, its_reference,
+ ACPI_IORT_ID_SINGLE_MAPPING);
+
+ current = acpi_iort_id_map_entry(current, smmu_v3, 0x10000, 10, 0x10000, its_reference, 0);
+
+ current = acpi_iort_id_map_entry(current, smmu_v3, 0x30000, 10, 0x30000, its_reference, 0);
+
+ /* SMMUV3 entry length includes mapping */
+
+ for (int n = 0 ; n < 2 ; n++) {
+ /* DMA */
+ char dma[32];
+ snprintf(dma, sizeof(dma), "\\_SB_.DMA%d", n);
+
+ current = acpi_iort_nc_entry(current, iort, &named_comp, 0, 0, 0x30, dma);
+
+ for (int i = 0 ; i < 9 ; i++) {
+ /* ID */
+ current = acpi_iort_id_map_entry(current, named_comp, i, 1, 0x10000 + n * 0x20000 + i,
+ smmuv3_reference, ACPI_IORT_ID_SINGLE_MAPPING);
+ }
+ }
+
+
+ return current;
+}
+
+static unsigned long acpi_soc_fill_iort_tcu(u32 i, u16 id_count, u32 *smmu_offset,
+ acpi_iort_t *iort, unsigned long current)
+{
+
+ acpi_iort_node_t *its, *smmu_v3;
+ static u32 id_base = 0x30000;
+ u32 its_reference;
+
+ current = acpi_iort_its_entry(current, iort, &its, 1, &i);
+ its_reference = (unsigned long)its - (unsigned long)iort;
+
+ current = acpi_iort_smmuv3_entry(current, iort, &smmu_v3, RDN2_SMMU_V3(i), ACPI_IORT_SMMU_V3_FLAGS);
+
+ *smmu_offset = (unsigned long)smmu_v3 - (unsigned long)iort;
+
+ /* Individual maps here */
+ current = acpi_iort_id_map_entry(current, smmu_v3, 0, 1, 0x80000, its_reference,
+ ACPI_IORT_ID_SINGLE_MAPPING);
+
+ current = acpi_iort_id_map_entry(current, smmu_v3, id_base, id_count, id_base, its_reference, 0);
+ id_base += id_count;
+
+ /* SMMUV3 entry length includes mapping */
+
+ return current;
+}
+
+unsigned long acpi_soc_fill_iort(acpi_iort_t *iort, unsigned long current)
+{
+ acpi_iort_node_t *root_comp;
+ u32 smmu_offset[4];
+ uint32_t id_count[] = {768, 256, 256, 256};
+
+ for (int i = 0; i < 4; i++)
+ current = acpi_soc_fill_iort_tcu(i, id_count[i], &smmu_offset[i], iort, current);
+
+ current = acpi_soc_fill_iort_tcu4(iort, current);
+
+ current = acpi_iort_rc_entry(current, iort, &root_comp, 0, ACPI_IORT_ATS_SUPPORTED, 0,
+ 0x30, 0);
+
+ u32 base = 0;
+ for (int i = 0 ; i < 4 ; i++) {
+ current = acpi_iort_id_map_entry(current, root_comp, base, id_count[i], 0x30000 + base,
+ smmu_offset[i], 0);
+ base += id_count[i];
+ }
+
+ return current;
+}
diff --git a/src/mainboard/arm/rdn2/board_info.txt b/src/mainboard/arm/rdn2/board_info.txt
new file mode 100644
index 0000000000..1338ec2c9b
--- /dev/null
+++ b/src/mainboard/arm/rdn2/board_info.txt
@@ -0,0 +1,3 @@
+Board name: Neoverse N2
+Category: emulation
+Board URL: https://developer.arm.com/documentation/102337/latest/
diff --git a/src/mainboard/arm/rdn2/bootblock.c b/src/mainboard/arm/rdn2/bootblock.c
new file mode 100644
index 0000000000..5b59e7e033
--- /dev/null
+++ b/src/mainboard/arm/rdn2/bootblock.c
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <arch/mmu.h>
+#include <bootblock_common.h>
+#include <console/console.h>
+#include <mainboard/addressmap.h>
+#include <symbols.h>
+
+DECLARE_REGION(dev_mem)
+
+void bootblock_mainboard_init(void)
+{
+ mmu_init();
+
+ /* NOR Flash 0 */
+ mmu_config_range((void *)RDN2_FLASH_BASE, (uintptr_t)RDN2_FLASH_SIZE,
+ MA_MEM | MA_RO | MA_MEM_NC);
+
+ /* device memory */
+ mmu_config_range(_dev_mem, _dram - _dev_mem, MA_DEV | MA_RW);
+
+ /* Set a dummy value for DRAM. ramstage should update the mapping. */
+ mmu_config_range(_dram, ((size_t) 2 * GiB) - 16*MiB, MA_MEM | MA_RW);
+
+ mmu_config_range((void *)RDN2_DRAM2_BASE, RDN2_DRAM2_SIZE, MA_MEM | MA_RW);
+
+ mmu_config_range(_ttb, REGION_SIZE(ttb), MA_MEM | MA_S | MA_RW);
+
+ mmu_config_range(_stack, REGION_SIZE(stack), MA_MEM | MA_S | MA_RW);
+ mmu_config_range(_cbfs_mcache, REGION_SIZE(cbfs_mcache), MA_MEM | MA_S | MA_RW);
+ mmu_config_range(_fmap_cache, REGION_SIZE(fmap_cache), MA_MEM | MA_S | MA_RW);
+ mmu_config_range(_timestamp, REGION_SIZE(timestamp), MA_MEM | MA_S | MA_RW);
+
+ mmu_config_range((void *)CONFIG_ECAM_MMCONF_BASE_ADDRESS, CONFIG_ECAM_MMCONF_LENGTH,
+ MA_DEV | MA_RW);
+ mmu_enable();
+}
diff --git a/src/mainboard/arm/rdn2/bootblock_custom.S b/src/mainboard/arm/rdn2/bootblock_custom.S
new file mode 100644
index 0000000000..f8cca02d9f
--- /dev/null
+++ b/src/mainboard/arm/rdn2/bootblock_custom.S
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <arch/asm.h>
+
+/*
+ * Note: This board uses boot flow: TFA -> coreboot.
+ */
+ENTRY(_start)
+
+ /* TF-A arg which contains a pointer to fdt */
+ ldr x1, =_fdt_pointer
+ str x0, [x1]
+
+ msr SPSel, #0 /* use SP_EL0 */
+
+ /* ==== stack init from arm64_init_cpu ==== */
+ ldr x2, =0xdeadbeefdeadbeef
+ ldr x0, =_stack
+ ldr x1, =_estack
+1:
+ stp x2, x2, [x0], #16
+ cmp x0, x1
+ bne 1b
+
+ sub sp, x0, #16
+
+ /* ==== END ==== */
+
+ /* Jump to main() in DRAM. */
+ bl main
+ENDPROC(_start)
diff --git a/src/mainboard/arm/rdn2/cbmem.c b/src/mainboard/arm/rdn2/cbmem.c
new file mode 100644
index 0000000000..a8ad03399c
--- /dev/null
+++ b/src/mainboard/arm/rdn2/cbmem.c
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <cbmem.h>
+#include <console/console.h>
+#include <ramdetect.h>
+#include <symbols.h>
+
+uintptr_t cbmem_top_chipset(void)
+{
+ return (uintptr_t)_dram + (probe_ramsize((uintptr_t)_dram, CONFIG_DRAM_SIZE_MB) * MiB);
+}
diff --git a/src/mainboard/arm/rdn2/chip.h b/src/mainboard/arm/rdn2/chip.h
new file mode 100644
index 0000000000..ae19df9763
--- /dev/null
+++ b/src/mainboard/arm/rdn2/chip.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#ifndef MAINBOARD_ARM_RDN2_CHIP_H
+#define MAINBOARD_ARM_RDN2_CHIP_H
+
+#include <types.h>
+
+struct mainboard_arm_rdn2_config {
+};
+
+#endif
diff --git a/src/mainboard/arm/rdn2/devicetree.cb b/src/mainboard/arm/rdn2/devicetree.cb
new file mode 100644
index 0000000000..f85d243e48
--- /dev/null
+++ b/src/mainboard/arm/rdn2/devicetree.cb
@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+chip mainboard/arm/rdn2
+
+ device cpu_cluster 0 on ops rdn2_aarch64_cpu_ops end
+
+ device domain 0 on ops rdn2_aarch64_pci_domain_ops
+ device pci 00.0 on end
+ end
+end
diff --git a/src/mainboard/arm/rdn2/dsdt.asl b/src/mainboard/arm/rdn2/dsdt.asl
new file mode 100644
index 0000000000..2e795b8eed
--- /dev/null
+++ b/src/mainboard/arm/rdn2/dsdt.asl
@@ -0,0 +1,227 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <acpi/acpi.h>
+#include <mainboard/addressmap.h>
+DefinitionBlock(
+ "dsdt.aml",
+ "DSDT",
+ ACPI_DSDT_REV_2,
+ OEM_ID,
+ ACPI_TABLE_CREATOR,
+ 0x20230621 // OEM revision
+)
+{
+ #include <acpi/dsdt_top.asl>
+
+ Device (COM0)
+ {
+ Name (_HID, "ARMH0011") // _HID: Hardware ID
+ Name (_UID, Zero) // _UID: Unique ID
+ Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings
+ {
+ Memory32Fixed (ReadWrite,
+ RDN2_UART_NS_BASE, // Address Base
+ 0x00001000, // Address Length
+ )
+ Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive, ,, )
+ {
+ RDN2_UART_NS_GSIV,
+ }
+ })
+ Method (_STA, 0, NotSerialized) // _STA: Status
+ {
+ Return (0xf)
+ }
+ }
+
+ Device (VR00)
+ {
+ Name (_HID, "LNRO0005") // _HID: Hardware ID
+ Name (_UID, Zero) // _UID: Unique ID
+ Name (_CCA, One) // _CCA: Cache Coherency Attribute
+ Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings
+ {
+ Memory32Fixed (ReadWrite,
+ 0x0C130000, // Address Base
+ 0x00010000, // Address Length
+ )
+ Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive, ,, )
+ {
+ 0x000001CA,
+ }
+ })
+ }
+
+ Device (VR01)
+ {
+ Name (_HID, "LNRO0005") // _HID: Hardware ID
+ Name (_UID, One) // _UID: Unique ID
+ Name (_CCA, One) // _CCA: Cache Coherency Attribute
+ Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings
+ {
+ Memory32Fixed (ReadWrite,
+ 0x0C150000, // Address Base
+ 0x00010000, // Address Length
+ )
+ Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive, ,, )
+ {
+ 0x000001CC,
+ }
+ })
+ }
+
+
+ Device (\_SB.DMA0)
+ {
+ Name (_HID, "ARMH0330") // _HID: Hardware ID
+ Name (_UID, Zero) // _UID: Unique ID
+ Name (_CCA, One) // _CCA: Cache Coherency Attribute
+ Name (_STA, 0x0F) // _STA: Status
+ Method (_CRS, 0, Serialized) // _CRS: Current Resource Settings
+ {
+ Name (RBUF, ResourceTemplate ()
+ {
+ QWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, NonCacheable, ReadWrite,
+ 0x0000000000000000, // Granularity
+ 0x0000000000000000, // Range Minimum
+ 0x0000000000000001, // Range Maximum
+ 0x0000000000000000, // Translation Offset
+ 0x0000000000000002, // Length
+ ,, _Y02, AddressRangeMemory, TypeStatic)
+ Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive, ,, )
+ {
+ 0x000001ED,
+ 0x000001EE,
+ 0x000001EF,
+ 0x000001F0,
+ 0x000001F1,
+ 0x000001F2,
+ 0x000001F3,
+ 0x000001F4,
+ 0x000001F5,
+ }
+ })
+ CreateQWordField (RBUF, \_SB.DMA0._CRS._Y02._MIN, MIN2) // _MIN: Minimum Base Address
+ CreateQWordField (RBUF, \_SB.DMA0._CRS._Y02._MAX, MAX2) // _MAX: Maximum Base Address
+ CreateQWordField (RBUF, \_SB.DMA0._CRS._Y02._LEN, LEN2) // _LEN: Length
+ MIN2 = RDN2_DMA0_BASE
+ MAX2 = (MIN2 + 0xFFFF)
+ LEN2 = 0x00010000
+ Return (RBUF) /* \_SB_.DMA0._CRS.RBUF */
+ }
+ }
+
+ Device (\_SB.DMA1)
+ {
+ Name (_HID, "ARMH0330") // _HID: Hardware ID
+ Name (_UID, One) // _UID: Unique ID
+ Name (_CCA, One) // _CCA: Cache Coherency Attribute
+ Name (_STA, 0x0F) // _STA: Status
+ Method (_CRS, 0, Serialized) // _CRS: Current Resource Settings
+ {
+ Name (RBUF, ResourceTemplate ()
+ {
+ QWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, NonCacheable, ReadWrite,
+ 0x0000000000000000, // Granularity
+ 0x0000000000000000, // Range Minimum
+ 0x0000000000000001, // Range Maximum
+ 0x0000000000000000, // Translation Offset
+ 0x0000000000000002, // Length
+ ,, _Y03, AddressRangeMemory, TypeStatic)
+ Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive, ,, )
+ {
+ 0x000001F7,
+ 0x000001F8,
+ 0x000001F9,
+ 0x000001FA,
+ 0x000001FB,
+ 0x000001FC,
+ 0x000001FD,
+ 0x000001FE,
+ 0x000001FF,
+ }
+ })
+ CreateQWordField (RBUF, \_SB.DMA1._CRS._Y03._MIN, MIN2) // _MIN: Minimum Base Address
+ CreateQWordField (RBUF, \_SB.DMA1._CRS._Y03._MAX, MAX2) // _MAX: Maximum Base Address
+ CreateQWordField (RBUF, \_SB.DMA1._CRS._Y03._LEN, LEN2) // _LEN: Length
+ MIN2 = RDN2_DMA1_BASE
+ MAX2 = (MIN2 + 0xFFFF)
+ LEN2 = 0x00010000
+ Return (RBUF) /* \_SB_.DMA1._CRS.RBUF */
+ }
+ }
+ Device (PCI0)
+ {
+ Name (_HID, EisaId ("PNP0A08")) // PCI Express Bus _HID: Hardware ID
+ Name (_CID, EisaId ("PNP0A03")) // PCI Bus _CID: Compatible ID
+ Name (_SEG, Zero) // _SEG: PCI Segment
+ Name (_BBN, Zero) // _BBN: BIOS Bus Number
+ Name (_UID, "PCI0") // _UID: Unique ID
+ Name (_CCA, One) // _CCA: Cache Coherency Attribute
+
+ Method (_STA, 0, NotSerialized) // _STA: Status
+ {
+ Return (0xf)
+ }
+
+ Method (_CBA, 0, NotSerialized) // _CBA: Configuration Base Address
+ {
+ Return (RDN2_PCIE_ECAM_BASE)
+ }
+
+ Method (_CRS, 0, Serialized) // _CRS: Current Resource Settings
+ {
+ Name (RBUF, ResourceTemplate ()
+ {
+ WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode,
+ 0x0000, // Granularity
+ 0x0000, // Range Minimum
+ 0x00FF, // Range Maximum
+ 0x0000, // Translation Offset
+ 0x0100, // Length
+ ,, )
+ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, Cacheable, ReadWrite,
+ 0x00000000, // Granularity
+ RDN2_PCIE_MMIO_BASE, // Range Minimum
+ RDN2_PCIE_MMIO_LIMIT, // Range Maximum
+ 0x00000000, // Translation Offset
+ RDN2_PCIE_MMIO_SIZE, // Length
+ ,, , AddressRangeMemory, TypeStatic)
+ QWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, Cacheable, ReadWrite,
+ 0x0000000000000000, // Granularity
+ RDN2_PCIE_MMIO_HIGH_BASE, // Range Minimum
+ RDN2_PCIE_MMIO_HIGH_LIMIT, // Range Maximum
+ 0x0000000000000000, // Translation Offset
+ RDN2_PCIE_MMIO_HIGH_SIZE, // Length
+ ,, , AddressRangeMemory, TypeStatic)
+ DWordIO (ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange,
+ 0x00000000, // Granularity
+ 0x00000000, // Range Minimum
+ 0x007FFFFF, // Range Maximum
+ 0x77800000, // Translation Offset
+ 0x00800000, // Length
+ ,, , TypeTranslation, DenseTranslation)
+ })
+ Return (RBUF) /* \PCI0._CRS.RBUF */
+ }
+
+ Device (RES0)
+ {
+ Name (_HID, "PNP0C02" /* PNP Motherboard Resources */) // _HID: Hardware ID
+ Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings
+ {
+ QWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, NonCacheable, ReadWrite,
+ 0x0000000000000000, // Granularity
+ RDN2_PCIE_ECAM_BASE, // Range Minimum
+ RDN2_PCIE_ECAM_LIMIT, // Range Maximum
+ 0x0000000000000000, // Translation Offset
+ RDN2_PCIE_ECAM_SIZE, // Length
+ ,, , AddressRangeMemory, TypeStatic)
+ })
+ Method (_STA, 0, NotSerialized) // _STA: Status
+ {
+ Return (0xf)
+ }
+ }
+ }
+}
diff --git a/src/mainboard/arm/rdn2/flash.fmd b/src/mainboard/arm/rdn2/flash.fmd
new file mode 100644
index 0000000000..2b75d355d1
--- /dev/null
+++ b/src/mainboard/arm/rdn2/flash.fmd
@@ -0,0 +1,9 @@
+FLASH@0x08000000 CONFIG_ROM_SIZE {
+
+ BIOS@0x0 CONFIG_ROM_SIZE {
+
+ BOOTBLOCK 128K
+ FMAP@0x20000 0x200
+ COREBOOT(CBFS)
+ }
+}
diff --git a/src/mainboard/arm/rdn2/include/mainboard/addressmap.h b/src/mainboard/arm/rdn2/include/mainboard/addressmap.h
new file mode 100644
index 0000000000..5d218c2585
--- /dev/null
+++ b/src/mainboard/arm/rdn2/include/mainboard/addressmap.h
@@ -0,0 +1,97 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+/*
+ * Memory map for Neoverse N2
+ * See Technical Reference: Table 5-2: FVP board peripherals
+ */
+
+#define RDN2_FLASH_BASE 0x08000000
+#define RDN2_FLASH_SIZE (64 * MiB)
+
+/* Actual DRAM size should be probed */
+#define RDN2_DRAM_BASE 0x80000000
+#define RDN2_DRAM_SIZE (2 * GiB)
+
+#define RDN2_SECMEM_BASE 0xff000000
+#define RDN2_SECMEM_SIZE (16 * MiB)
+
+#define RDN2_DRAM2_BASE 0x8080000000
+#define RDN2_DRAM2_SIZE (6UL * GiB)
+
+#define RDN2_GIC_DIST 0x30000000
+#define RDN2_GIC_REDIST 0x301C0000
+#define RDN2_VGIC_BASE 0x2c020000
+#define RDN2_HGIC_BASE 0x2c010000
+
+#define RDN2_GIC_ITS_BASE 0x30040000
+#define RDN2_GIC_ITS_SIZE 0x40000
+#define RDN2_GIC_ITS(i) (RDN2_GIC_ITS_BASE + i * RDN2_GIC_ITS_SIZE)
+
+#define SEC_EL1_TIMER_GISV 29
+#define NONSEC_EL1_TIMER_GSIV 30
+#define VIRTUAL_TIMER_GSIV 27
+#define NONSEC_EL2_TIMER_GSIV 26
+
+#define RDN2_TIMER_FLAGS (ACPI_GTDT_INTERRUPT_POLARITY)
+#define RDN2_GT_CTL_BASE 0x2A810000
+#define RDN2_GT_FRAME0_CTL_BASE 0x2A820000
+#define RDN2_GT_FRAME0_EL0_BASE -1
+#define RDN2_GT_FRAME0_GSIV 0x6c
+
+#define RDN2_GT_FRAME1_CTL_BASE 0x2A830000
+#define RDN2_GT_FRAME1_EL0_BASE -1
+#define RDN2_GT_FRAME1_GSIV 0x6d
+
+#define RDN2_GWDT_REFRESH 0x2a450000
+#define RDN2_GWDT_CONTROL 0x2a440000
+#define RDN2_GWDT_WS0_GSIV 0x6e
+#define RDN2_GWDT_WS1_GSIV 0x6f
+
+#define RDN2_UART_CLK_HZ 7372800
+#define RDN2_UART_NS_BASE 0x2a400000
+#define RDN2_UART_NS_GSIV 112
+#define RDN2_SECURE_UART_BASE 0x2a410000
+#define RDN2_SECURE_UART_GSIV 81
+
+#define RDN2_RTC_BASE 0x0C170000
+#define RDN2_RTC1_BASE 0x0C180000
+#define RDN2_GPIO_BASE 0x0c1d0000
+#define RDN2_GPIO1_BASE 0x0c1e0000
+
+#define RDN2_SMMU_BASE 0x40000000
+#define RDN2_SMMU_SIZE 0x2000000
+
+
+
+
+#define RDN2_SMMU_V3(i) (RDN2_SMMU_BASE + i * RDN2_SMMU_SIZE)
+#define ACPI_IORT_SMMU_V3_FLAGS (ACPI_IORT_SMMU_V3_COHACC_OVERRIDE | ACPI_IORT_SMMU_V3_DEVICEID_VALID)
+
+#define RDN2_DMA0_BASE 0x1090000000
+#define RDN2_DMA1_BASE 0x10B0000000
+/* Virtio block device */
+#define RDN2_AHCI_BASE 0x0C130000
+#define RDN2_AHCI_INT 458
+
+/* Virtio net */
+#define RDN2_VNET_BASE 0x0C150000
+#define RDN2_VNET_INT 460
+
+/* Arm Dual-Timer Module */
+#define RDN2_DUAL_TIMER 0x0C110000
+#define RDN2_DUAL_TIMER_INT 486
+
+#define RDN2_GPIO0 0x0C1D0000
+#define RDN2_GPIO0_INT 392
+
+#define RDN2_EHCI_BASE 0x60110000
+
+#define RDN2_PCIE_MMIO_BASE 0x60000000
+#define RDN2_PCIE_MMIO_LIMIT 0x7fffffff
+#define RDN2_PCIE_MMIO_SIZE 0x20000000
+#define RDN2_PCIE_ECAM_BASE 0x1010000000
+#define RDN2_PCIE_ECAM_LIMIT 0x101FFFFFFF
+#define RDN2_PCIE_ECAM_SIZE 0x10000000
+#define RDN2_PCIE_MMIO_HIGH_BASE 0x4000000000
+#define RDN2_PCIE_MMIO_HIGH_LIMIT 0x807fffffff
+#define RDN2_PCIE_MMIO_HIGH_SIZE 0x4080000000
diff --git a/src/mainboard/arm/rdn2/mainboard.c b/src/mainboard/arm/rdn2/mainboard.c
new file mode 100644
index 0000000000..d5f7df4e7b
--- /dev/null
+++ b/src/mainboard/arm/rdn2/mainboard.c
@@ -0,0 +1,156 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include "chip.h"
+#include <acpi/acpigen.h>
+#include <arch/mmu.h>
+#include <bootmem.h>
+#include <cbfs.h>
+#include <device/device.h>
+#include <mainboard/addressmap.h>
+#include <ramdetect.h>
+#include <stdint.h>
+#include <symbols.h>
+
+static size_t ram_size(void)
+{
+ return (size_t)cbmem_top() - (uintptr_t)_dram;
+}
+
+static size_t ram2_size(void)
+{
+ return (size_t)probe_ramsize((uintptr_t)RDN2_DRAM2_BASE, RDN2_DRAM2_SIZE) * MiB;
+}
+
+static void mainboard_init(void *chip_info)
+{
+ mmu_config_range(_dram, ram_size(), MA_MEM | MA_RW);
+ mmu_config_range((void *)RDN2_DRAM2_BASE, ram2_size(), MA_MEM | MA_RW);
+}
+
+DECLARE_REGION(fdt_pointer)
+
+void smbios_cpu_get_core_counts(u16 *core_count, u16 *thread_count)
+{
+ *core_count = 0;
+ struct device *dev = NULL;
+ while ((dev = dev_find_path(dev, DEVICE_PATH_GICC_V3)))
+ *core_count += 1;
+
+ *thread_count = 1;
+}
+
+
+static void rdn2_aarch64_init(struct device *dev)
+{
+ struct memory_info *mem_info;
+
+ mem_info = cbmem_add(CBMEM_ID_MEMINFO, sizeof(*mem_info));
+ if (mem_info == NULL)
+ return;
+
+ memset(mem_info, 0, sizeof(*mem_info));
+
+ mem_info->ecc_type = MEMORY_ARRAY_ECC_UNKNOWN;
+ mem_info->max_capacity_mib = 0x800000;
+ mem_info->number_of_devices = mem_info->dimm_cnt = 1;
+
+ mem_info->dimm[0].dimm_size = (ram_size() + ram2_size()) / MiB;
+ mem_info->dimm[0].ddr_type = MEMORY_TYPE_DRAM;
+ mem_info->dimm[0].ddr_frequency = 0;
+ mem_info->dimm[0].channel_num = mem_info->dimm[0].dimm_num = 0;
+ mem_info->dimm[0].bank_locator = 0;
+
+ mem_info->dimm[0].bus_width = 0x03; // 64-bit, no parity
+ mem_info->dimm[0].vdd_voltage = 0;
+ mem_info->dimm[0].max_speed_mts = mem_info->dimm[0].configured_speed_mts = 0;
+}
+
+static unsigned long mb_write_acpi_tables(const struct device *dev, unsigned long current,
+ acpi_rsdp_t *rsdp)
+{
+ printk(BIOS_DEBUG, "ACPI: * DBG2\n");
+ return acpi_pl011_write_dbg2_uart(rsdp, current, RDN2_UART_NS_BASE, "\\_SB.COM0");
+}
+
+
+static void mainboard_enable(struct device *dev)
+{
+ dev->ops->init = rdn2_aarch64_init;
+ dev->ops->write_acpi_tables = mb_write_acpi_tables;
+}
+
+
+struct chip_operations mainboard_ops = {
+ .init = mainboard_init,
+ .enable_dev = mainboard_enable,
+};
+
+struct chip_operations mainboard_arm_rdn2_ops = { };
+
+static void rdn2_aarch64_domain_read_resources(struct device *dev)
+{
+ struct resource *res;
+ int index = 0;
+
+ /* Initialize the system-wide I/O space constraints. */
+ res = new_resource(dev, index++);
+ res->limit = 0xffffUL;
+ res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED;
+
+ /* Initialize the system-wide memory resources constraints. */
+ res = new_resource(dev, index++);
+ res->base = RDN2_PCIE_MMIO_BASE;
+ res->limit = RDN2_PCIE_MMIO_LIMIT;
+ res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED;
+
+ res = new_resource(dev, index++);
+ res->base = RDN2_PCIE_MMIO_HIGH_BASE;
+ res->limit = RDN2_PCIE_MMIO_HIGH_LIMIT;
+ res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED;
+
+ ram_range(dev, index++, (uintptr_t)_dram, ram_size());
+ reserved_ram_range(dev, index++, (uintptr_t)RDN2_SECMEM_BASE, RDN2_SECMEM_SIZE);
+
+ ram_range(dev, index++, (uintptr_t)RDN2_DRAM2_BASE, ram2_size());
+
+ mmio_range(dev, index++, RDN2_FLASH_BASE, RDN2_FLASH_SIZE);
+}
+
+struct device_operations rdn2_aarch64_pci_domain_ops = {
+ .read_resources = rdn2_aarch64_domain_read_resources,
+ .set_resources = pci_domain_set_resources,
+ .scan_bus = pci_host_bridge_scan_bus,
+};
+
+static void rdn2_fill_cpu_ssdt(const struct device *dev)
+{
+ acpigen_write_processor_device(dev->path.gicc_v3.mpidr);
+ acpigen_write_processor_device_end();
+}
+
+struct device_operations rdn2_cpu_ops = {
+ .acpi_fill_ssdt = rdn2_fill_cpu_ssdt,
+};
+
+static void rdn2_aarch64_scan_bus(struct device *dev)
+{
+ u16 i = 0;
+ struct bus *bus = alloc_bus(dev);
+
+ for (i = 0; i < 16; i++) {
+ printk(BIOS_DEBUG, "Allocating CPU %d\n", i);
+ struct device_path devpath = { .type = DEVICE_PATH_GICC_V3,
+ .gicc_v3 = { .mpidr = i << 16,
+ .vgic_mi = 0x19,
+ .pi_gsiv = 0x17, },
+ };
+ struct device *cpu = alloc_dev(bus, &devpath);
+ assert(cpu);
+ cpu->ops = &rdn2_cpu_ops;
+ }
+
+}
+
+struct device_operations rdn2_aarch64_cpu_ops = {
+ .scan_bus = rdn2_aarch64_scan_bus,
+};
diff --git a/src/mainboard/arm/rdn2/media.c b/src/mainboard/arm/rdn2/media.c
new file mode 100644
index 0000000000..cf6ab06789
--- /dev/null
+++ b/src/mainboard/arm/rdn2/media.c
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <boot_device.h>
+#include <mainboard/addressmap.h>
+
+/* Maps directly to NOR flash up to ROM size. */
+static const struct mem_region_device boot_dev =
+ MEM_REGION_DEV_RO_INIT((void *)RDN2_FLASH_BASE, RDN2_FLASH_SIZE);
+
+const struct region_device *boot_device_ro(void)
+{
+ return &boot_dev.rdev;
+}
diff --git a/src/mainboard/arm/rdn2/memlayout.ld b/src/mainboard/arm/rdn2/memlayout.ld
new file mode 100644
index 0000000000..de7aad5086
--- /dev/null
+++ b/src/mainboard/arm/rdn2/memlayout.ld
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <memlayout.h>
+#include <arch/header.ld>
+
+/*
+ * Memory map for Neoverse N2
+ * See Technical Reference: Table 5-2: FVP board peripherals
+ */
+SECTIONS
+{
+ REGION(flash, 0x8000000, CONFIG_ROM_SIZE, 8)
+
+ REGION(dev_mem, 0x0c010000, 2M, 8)
+ DRAM_START(0x80000000)
+ BOOTBLOCK(0xe0000000, 64K)
+ STACK(0xe0010000, 64K)
+ CBFS_MCACHE(0xe0020000, 8K)
+ FMAP_CACHE(0xe0022000 , 4K)
+ TIMESTAMP(0xe0023000, 4K)
+ ROMSTAGE(0xe0024000, 128K)
+ TTB(0xe0060000, 128K)
+ RAMSTAGE(0xe00a0000, 16M)
+ REGION(fdt_pointer, 0xe10a0000, ARCH_POINTER_ALIGN_SIZE, ARCH_POINTER_ALIGN_SIZE)
+
+ POSTRAM_CBFS_CACHE(0xe11f0000, 1M)
+}
diff --git a/src/mainboard/arm/rdn2/pptt.c b/src/mainboard/arm/rdn2/pptt.c
new file mode 100644
index 0000000000..ca06cc8c94
--- /dev/null
+++ b/src/mainboard/arm/rdn2/pptt.c
@@ -0,0 +1,218 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <stdlib.h>
+#include <cpu/cpu.h>
+#include <arch/cache.h>
+#include <acpi/acpi.h>
+#include <console/console.h>
+
+#define CACHE_NODE_FLAGS 0xd7 // everything valid except, write-policy and allocation type
+#define CLUSTER_FLAGS 0x11 // physical package, ID invalid, no thread, no leaf, identical impl.
+#define CORE_FLAGS 0x0a // no physical package, ID valid, no thread, leaf.
+#define CORE_FLAGS_1 0x12 // no physical package, ID valid, no thread, identical i.
+
+/*
+ * L2 cache (LLC)
+ */
+struct pptt_cache l2 = {
+
+ .next_level = NULL
+};
+
+/*
+ * L1D cache
+ */
+struct pptt_cache l1d = {
+ .next_level = &l2
+};
+
+/*
+ * L1I cache
+ */
+struct pptt_cache l1i = {
+ //.sibling = &l1d,
+ .next_level = &l2
+};
+
+/*
+ * private resources of a cpu core. Same for
+ * each core, thus we can reuse this struture
+ * instead of creating it dynamically.
+ */
+struct pptt_cpu_resources core_resources = {
+ .cache = &l1i,
+};
+
+struct pptt_topology root_topology = {
+
+ .flags.raw = CLUSTER_FLAGS,
+ .resources = NULL,
+ .sibling = NULL,
+
+ .child = &(struct pptt_topology) {
+
+ .processor_id = 0,
+ .flags.raw = CORE_FLAGS_1,
+
+ .resources = NULL,
+
+ .child = &(struct pptt_topology) {
+ .processor_id = 0,
+ .flags.raw = CORE_FLAGS,
+
+ .resources = &(struct pptt_cpu_resources) {
+
+ .cache = &l1i,
+
+ },
+
+ .sibling = NULL,
+ .child = NULL,
+ },
+ .sibling = NULL, // updated in runtime
+ }
+};
+
+/* --- Helpers --- */
+
+static u8 cache_attributes(const enum cache_type type)
+{
+ /*
+ * 'write-policy' and 'allocation type' currently
+ * unsupported. cache flags set accordingly.
+ *
+ * maybe a todo for the future.
+ */
+
+ u8 attr = 0x0;
+
+ if (type == CACHE_INSTRUCTION)
+ attr |= (0x1 << 2);
+ else if (type == CACHE_UNIFIED)
+ attr |= (0x1 << 3);
+
+ return attr;
+}
+
+/* --- ACPI hook --- */
+
+struct pptt_topology *acpi_get_pptt_topology(void)
+{
+ struct cache_info info;
+
+ /* Dump Cache info */
+ for (int cache_level = CACHE_L1; cache_level <= CACHE_L7; cache_level++) {
+ int cache_type = cpu_get_cache_type(cache_level);
+ if (cache_type == NO_CACHE)
+ continue;
+
+ if (cache_type == CACHE_SEPARATE) {
+ printk(BIOS_DEBUG, "Fetching cache info for: level:%d, type:%d\n",
+ cache_level, cache_type);
+ cpu_get_cache_info(cache_level, cache_type, &info);
+ printk(BIOS_DEBUG, "Size: %lld, associativity: %lld\n", info.size,
+ info.associativity);
+
+ cache_type = CACHE_INSTRUCTION;
+
+ printk(BIOS_DEBUG, "Fetching cache info for: level:%d, type:%d\n",
+ cache_level, cache_type);
+ cpu_get_cache_info(cache_level, cache_type, &info);
+ printk(BIOS_DEBUG, "Size: %lld, associativity: %lld\n", info.size,
+ info.associativity);
+
+ cache_type = CACHE_DATA;
+ }
+
+ printk(BIOS_DEBUG, "Fetching cache info for: level:%d, type:%d\n", cache_level,
+ cache_type);
+ cpu_get_cache_info(cache_level, cache_type, &info);
+ printk(BIOS_DEBUG, "Size: %lld, associativity: %lld\n", info.size,
+ info.associativity);
+ }
+
+ /* update cache information (L1I) */
+
+ cpu_get_cache_info(CACHE_L1, CACHE_INSTRUCTION, &info);
+
+ l1i.size = info.size;
+ l1i.associativity = info.associativity;
+ l1i.numsets = info.numsets;
+ l1i.line_size = info.line_bytes;
+ l1i.attributes = cache_attributes(CACHE_INSTRUCTION);
+ l1i.flags.raw = CACHE_NODE_FLAGS | 0xff;
+
+ /* update cache information (L1D) */
+
+ cpu_get_cache_info(CACHE_L1, CACHE_DATA, &info);
+
+ l1d.size = info.size;
+ l1d.associativity = info.associativity;
+ l1d.numsets = info.numsets;
+ l1d.line_size = info.line_bytes;
+ l1d.attributes = cache_attributes(CACHE_DATA) | (0x2);
+ l1d.flags.raw = CACHE_NODE_FLAGS | 0xff;
+
+ /* update cache information (L2) */
+
+ cpu_get_cache_info(CACHE_L2, CACHE_UNIFIED, &info);
+
+ l2.size = info.size;
+ l2.associativity = info.associativity;
+ l2.numsets = info.numsets;
+ l2.line_size = info.line_bytes;
+ l2.attributes = cache_attributes(CACHE_UNIFIED) | (0x2);
+ l2.flags.raw = CACHE_NODE_FLAGS | 0xff;
+
+ /* add secondary CPUs */
+
+ u32 cpu_id = 0;
+
+ struct device *dev = NULL;
+ struct pptt_topology **it = &root_topology.child->sibling;
+ struct pptt_topology **sibling;
+
+ while ((dev = dev_find_path(dev, DEVICE_PATH_GICC_V3))) {
+ if (cpu_id == 0) {
+
+ cpu_id += 1;
+ continue;
+ }
+
+ if ((*it = malloc(sizeof(struct pptt_topology))) == NULL) {
+
+ printk(BIOS_ERR, "Could not allocate pptt structure!\n");
+ break;
+ }
+
+ memset(*it, 0, sizeof(struct pptt_topology));
+
+ (*it)->processor_id = cpu_id;
+ (*it)->flags.raw = CORE_FLAGS_1;
+ (*it)->resources = NULL;
+
+ //sibling = (*it)->sibling;
+ sibling = &(*it)->sibling;
+
+ it = &(*it)->child;
+
+ if ((*it = malloc(sizeof(struct pptt_topology))) == NULL) {
+
+ printk(BIOS_ERR, "Could not allocate pptt structure!\n");
+ break;
+ }
+
+ memset(*it, 0, sizeof(struct pptt_topology));
+
+ (*it)->processor_id = cpu_id;
+ (*it)->flags.raw = CORE_FLAGS;
+ (*it)->resources = &core_resources;
+
+ //it = &(*it)->sibling;
+ it = sibling;
+
+ cpu_id += 1;
+ }
+
+ return &root_topology;
+}
diff --git a/src/mainboard/arm/rdn2/uart.c b/src/mainboard/arm/rdn2/uart.c
new file mode 100644
index 0000000000..1b872056d0
--- /dev/null
+++ b/src/mainboard/arm/rdn2/uart.c
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <console/uart.h>
+#include <mainboard/addressmap.h>
+
+uintptr_t uart_platform_base(unsigned int idx)
+{
+ return RDN2_UART_NS_BASE;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-23 20:01:42 +0000