1From 56f2afcd10e8404a3c4efed6277a005fc4099e48 Mon Sep 17 00:00:00 2001
2From: Vishnu Banavath <vishnu.banavath@arm.com>
3Date: Thu, 30 Jun 2022 18:36:26 +0100
4Subject: [PATCH] plat-n1sdp: add N1SDP platform support
5
6Upstream-Status: Pending [Not submitted to upstream yet]
7Signed-off-by: Vishnu Banavath <vishnu.banavath@arm.com>
8
9These changes are to add N1SDP platform to optee-os
10
11Signed-off-by: Vishnu Banavath <vishnu.banavath@arm.com>
12Signed-off-by: Mariam Elshakfy <mariam.elshakfy@arm.com>
13Signed-off-by: Harsimran Singh Tungal <harsimransingh.tungal@arm.com>
14---
15 core/arch/arm/plat-n1sdp/conf.mk           | 41 +++++++++++++++++
16 core/arch/arm/plat-n1sdp/main.c            | 53 ++++++++++++++++++++++
17 core/arch/arm/plat-n1sdp/n1sdp_core_pos.S  | 32 +++++++++++++
18 core/arch/arm/plat-n1sdp/platform_config.h | 49 ++++++++++++++++++++
19 core/arch/arm/plat-n1sdp/sub.mk            |  3 ++
20 5 files changed, 178 insertions(+)
21 create mode 100644 core/arch/arm/plat-n1sdp/conf.mk
22 create mode 100644 core/arch/arm/plat-n1sdp/main.c
23 create mode 100644 core/arch/arm/plat-n1sdp/n1sdp_core_pos.S
24 create mode 100644 core/arch/arm/plat-n1sdp/platform_config.h
25 create mode 100644 core/arch/arm/plat-n1sdp/sub.mk
26
27diff --git a/core/arch/arm/plat-n1sdp/conf.mk b/core/arch/arm/plat-n1sdp/conf.mk
28new file mode 100644
29index 000000000..3dc79fe20
30--- /dev/null
31+++ b/core/arch/arm/plat-n1sdp/conf.mk
32@@ -0,0 +1,41 @@
33+include core/arch/arm/cpu/cortex-armv8-0.mk
34+
35+CFG_DEBUG_INFO = y
36+CFG_TEE_CORE_LOG_LEVEL = 4
37+
38+# Workaround 808870: Unconditional VLDM instructions might cause an
39+# alignment fault even though the address is aligned
40+# Either hard float must be disabled for AArch32 or strict alignment checks
41+# must be disabled
42+ifeq ($(CFG_SCTLR_ALIGNMENT_CHECK),y)
43+$(call force,CFG_TA_ARM32_NO_HARD_FLOAT_SUPPORT,y)
44+else
45+$(call force,CFG_SCTLR_ALIGNMENT_CHECK,n)
46+endif
47+
48+CFG_ARM64_core ?= y
49+
50+CFG_ARM_GICV3 = y
51+
52+# ARM debugger needs this
53+platform-cflags-debug-info = -gdwarf-4
54+platform-aflags-debug-info = -gdwarf-4
55+
56+CFG_CORE_SEL1_SPMC	= y
57+CFG_WITH_ARM_TRUSTED_FW	= y
58+
59+$(call force,CFG_GIC,y)
60+$(call force,CFG_PL011,y)
61+$(call force,CFG_SECURE_TIME_SOURCE_CNTPCT,y)
62+
63+CFG_CORE_HEAP_SIZE = 0x32000 # 200kb
64+
65+CFG_TEE_CORE_NB_CORE = 4
66+CFG_TZDRAM_START ?= 0xDE000000
67+CFG_TZDRAM_SIZE  ?= 0x02000000
68+
69+CFG_SHMEM_START  ?= 0x83000000
70+CFG_SHMEM_SIZE   ?= 0x00210000
71+# DRAM1 is defined above 4G
72+$(call force,CFG_CORE_LARGE_PHYS_ADDR,y)
73+$(call force,CFG_CORE_ARM64_PA_BITS,36)
74diff --git a/core/arch/arm/plat-n1sdp/main.c b/core/arch/arm/plat-n1sdp/main.c
75new file mode 100644
76index 000000000..38212d84c
77--- /dev/null
78+++ b/core/arch/arm/plat-n1sdp/main.c
79@@ -0,0 +1,53 @@
80+// SPDX-License-Identifier: BSD-2-Clause
81+/*
82+ * Copyright (c) 2022, Arm Limited.
83+ */
84+
85+#include <arm.h>
86+#include <console.h>
87+#include <drivers/gic.h>
88+#include <drivers/pl011.h>
89+#include <drivers/tzc400.h>
90+#include <initcall.h>
91+#include <keep.h>
92+#include <kernel/boot.h>
93+#include <kernel/interrupt.h>
94+#include <kernel/misc.h>
95+#include <kernel/notif.h>
96+#include <kernel/panic.h>
97+#include <kernel/spinlock.h>
98+#include <kernel/tee_time.h>
99+#include <mm/core_memprot.h>
100+#include <mm/core_mmu.h>
101+#include <platform_config.h>
102+#include <sm/psci.h>
103+#include <stdint.h>
104+#include <string.h>
105+#include <trace.h>
106+
107+static struct pl011_data console_data __nex_bss;
108+
109+register_phys_mem_pgdir(MEM_AREA_IO_SEC, CONSOLE_UART_BASE, PL011_REG_SIZE);
110+
111+register_ddr(DRAM0_BASE, DRAM0_SIZE);
112+
113+register_phys_mem_pgdir(MEM_AREA_IO_SEC, GICD_BASE, GIC_DIST_REG_SIZE);
114+register_phys_mem_pgdir(MEM_AREA_IO_SEC, GICC_BASE, GIC_DIST_REG_SIZE);
115+register_phys_mem_pgdir(MEM_AREA_IO_SEC, GICR_BASE, GIC_DIST_REG_SIZE);
116+
117+void main_init_gic(void)
118+{
119+	gic_init(GICC_BASE, GICD_BASE);
120+}
121+
122+void main_secondary_init_gic(void)
123+{
124+	gic_init_per_cpu();
125+}
126+
127+void console_init(void)
128+{
129+	pl011_init(&console_data, CONSOLE_UART_BASE, CONSOLE_UART_CLK_IN_HZ,
130+		   CONSOLE_BAUDRATE);
131+	register_serial_console(&console_data.chip);
132+}
133diff --git a/core/arch/arm/plat-n1sdp/n1sdp_core_pos.S b/core/arch/arm/plat-n1sdp/n1sdp_core_pos.S
134new file mode 100644
135index 000000000..439d4e675
136--- /dev/null
137+++ b/core/arch/arm/plat-n1sdp/n1sdp_core_pos.S
138@@ -0,0 +1,32 @@
139+/* SPDX-License-Identifier: BSD-2-Clause */
140+/*
141+ * Copyright (c) 2022, Arm Limited
142+ */
143+
144+#include <asm.S>
145+#include <arm.h>
146+#include "platform_config.h"
147+
148+FUNC get_core_pos_mpidr , :
149+        mov     x4, x0
150+
151+        /*
152+         * The MT bit in MPIDR is always set for n1sdp and the
153+         * affinity level 0 corresponds to thread affinity level.
154+         */
155+
156+        /* Extract individual affinity fields from MPIDR */
157+        ubfx    x0, x4, #MPIDR_AFF0_SHIFT, #MPIDR_AFFINITY_BITS
158+        ubfx    x1, x4, #MPIDR_AFF1_SHIFT, #MPIDR_AFFINITY_BITS
159+        ubfx    x2, x4, #MPIDR_AFF2_SHIFT, #MPIDR_AFFINITY_BITS
160+        ubfx    x3, x4, #MPIDR_AFF3_SHIFT, #MPIDR_AFFINITY_BITS
161+
162+        /* Compute linear position */
163+        mov     x4, #N1SDP_MAX_CLUSTERS_PER_CHIP
164+        madd    x2, x3, x4, x2
165+        mov     x4, #N1SDP_MAX_CPUS_PER_CLUSTER
166+        madd    x1, x2, x4, x1
167+        mov     x4, #N1SDP_MAX_PE_PER_CPU
168+        madd    x0, x1, x4, x0
169+        ret
170+END_FUNC get_core_pos_mpidr
171diff --git a/core/arch/arm/plat-n1sdp/platform_config.h b/core/arch/arm/plat-n1sdp/platform_config.h
172new file mode 100644
173index 000000000..81b994091
174--- /dev/null
175+++ b/core/arch/arm/plat-n1sdp/platform_config.h
176@@ -0,0 +1,49 @@
177+/* SPDX-License-Identifier: BSD-2-Clause */
178+/*
179+ * Copyright (c) 2022, Arm Limited
180+ */
181+
182+#ifndef PLATFORM_CONFIG_H
183+#define PLATFORM_CONFIG_H
184+
185+#include <mm/generic_ram_layout.h>
186+#include <stdint.h>
187+
188+/* Make stacks aligned to data cache line length */
189+#define STACK_ALIGNMENT		64
190+
191+ /* N1SDP topology related constants */
192+#define N1SDP_MAX_CPUS_PER_CLUSTER              U(2)
193+#define PLAT_ARM_CLUSTER_COUNT                  U(2)
194+#define PLAT_N1SDP_CHIP_COUNT                   U(2)
195+#define N1SDP_MAX_CLUSTERS_PER_CHIP             U(2)
196+#define N1SDP_MAX_PE_PER_CPU                    U(1)
197+
198+#define PLATFORM_CORE_COUNT                     (PLAT_N1SDP_CHIP_COUNT *        \
199+		                                PLAT_ARM_CLUSTER_COUNT *        \
200+						N1SDP_MAX_CPUS_PER_CLUSTER *    \
201+						N1SDP_MAX_PE_PER_CPU)
202+
203+#define GIC_BASE		0x2c010000
204+
205+#define UART1_BASE		0x1C0A0000
206+#define UART1_CLK_IN_HZ		24000000  /*24MHz*/
207+
208+#define CONSOLE_UART_BASE	UART1_BASE
209+#define CONSOLE_UART_CLK_IN_HZ	UART1_CLK_IN_HZ
210+
211+#define DRAM0_BASE		0x80000000
212+#define DRAM0_SIZE		0x80000000
213+
214+#define GICD_BASE		0x30000000
215+#define GICC_BASE		0x2C000000
216+#define GICR_BASE		0x300C0000
217+
218+#ifndef UART_BAUDRATE
219+#define UART_BAUDRATE		115200
220+#endif
221+#ifndef CONSOLE_BAUDRATE
222+#define CONSOLE_BAUDRATE	UART_BAUDRATE
223+#endif
224+
225+#endif /*PLATFORM_CONFIG_H*/
226diff --git a/core/arch/arm/plat-n1sdp/sub.mk b/core/arch/arm/plat-n1sdp/sub.mk
227new file mode 100644
228index 000000000..a0b49da14
229--- /dev/null
230+++ b/core/arch/arm/plat-n1sdp/sub.mk
231@@ -0,0 +1,3 @@
232+global-incdirs-y += .
233+srcs-y += main.c
234+srcs-y	+= n1sdp_core_pos.S
235--
2362.25.1
237
238