qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[PATCH 1/1] tricore: added AURIX TC277 D-Step TriBoard


From: David Brenken
Subject: [PATCH 1/1] tricore: added AURIX TC277 D-Step TriBoard
Date: Mon, 11 May 2020 14:21:59 +0200

From: Andreas Konopik <address@hidden>

Signed-off-by: Andreas Konopik <address@hidden>
Signed-off-by: David Brenken <address@hidden>
Signed-off-by: Georg Hofstetter <address@hidden>
Signed-off-by: Robert Rasche <address@hidden>
Signed-off-by: Lars Biermanski <address@hidden>
---
 hw/tricore/Makefile.objs           |   1 +
 hw/tricore/aurix_triboard_tc277d.c | 240 +++++++++++++++++++++++++++++
 2 files changed, 241 insertions(+)
 create mode 100644 hw/tricore/aurix_triboard_tc277d.c

diff --git a/hw/tricore/Makefile.objs b/hw/tricore/Makefile.objs
index 5501f6c1a8..e4a2106dd9 100644
--- a/hw/tricore/Makefile.objs
+++ b/hw/tricore/Makefile.objs
@@ -1 +1,2 @@
 obj-$(CONFIG_TRICORE) += tricore_testboard.o
+obj-$(CONFIG_TRICORE) += aurix_triboard_tc277d.o
diff --git a/hw/tricore/aurix_triboard_tc277d.c 
b/hw/tricore/aurix_triboard_tc277d.c
new file mode 100644
index 0000000000..86deff9a50
--- /dev/null
+++ b/hw/tricore/aurix_triboard_tc277d.c
@@ -0,0 +1,240 @@
+/*
+ * Infineon AURIX TC277 D-Step TriBoard System emulation.
+ *
+ * Copyright (c) 2019 Andreas Konopik <address@hidden>
+ * Copyright (c) 2019 David Brenken <address@hidden>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/units.h"
+#include "qapi/error.h"
+#include "hw/qdev-properties.h"
+#include "cpu.h"
+#include "net/net.h"
+#include "hw/boards.h"
+#include "hw/loader.h"
+#include "exec/address-spaces.h"
+#include "elf.h"
+#include "hw/tricore/tricore.h"
+#include "qemu/error-report.h"
+
+/*
+ * The TriCore processor architecture defines their respective on-chip memory
+ * layout. Therefore, in contrast to other common architectures, the QEMU
+ * TriCore machine and cpu are closely coupled.
+ *
+ * Memory maps are aligned with the TC27x D-Step Microcontroller layout.
+ */
+
+#define TC27XD_MEMMAP_DSPR2        0x50000000
+#define TC27XD_MEMMAP_DCACHE2      0x5001E000
+#define TC27XD_MEMMAP_DTAG2        0x500C0000
+#define TC27XD_MEMMAP_PSPR2        0x50100000
+#define TC27XD_MEMMAP_PCACHE2      0x50108000
+#define TC27XD_MEMMAP_PTAG2        0x501C0000
+#define TC27XD_MEMMAP_DSPR1        0x60000000
+#define TC27XD_MEMMAP_DCACHE1      0x6001E000
+#define TC27XD_MEMMAP_DTAG1        0x600C0000
+#define TC27XD_MEMMAP_PSPR1        0x60100000
+#define TC27XD_MEMMAP_PCACHE1      0x60108000
+#define TC27XD_MEMMAP_PTAG1        0x601C0000
+#define TC27XD_MEMMAP_DSPR0        0x70000000
+#define TC27XD_MEMMAP_PSPR0        0x70100000
+#define TC27XD_MEMMAP_PCACHE0      0x70106000
+#define TC27XD_MEMMAP_PTAG0        0x701C0000
+#define TC27XD_MEMMAP_PFLASH0_C    0x80000000
+#define TC27XD_MEMMAP_PFLASH1_C    0x80200000
+#define TC27XD_MEMMAP_OLDA_C       0x8FE70000
+#define TC27XD_MEMMAP_BROM_C       0x8FFF8000
+#define TC27XD_MEMMAP_LMURAM_C     0x90000000
+#define TC27XD_MEMMAP_EMEM_C       0x9F000000
+#define TC27XD_MEMMAP_PFLASH0_U    0xA0000000
+#define TC27XD_MEMMAP_PFLASH1_U    0xA0200000
+#define TC27XD_MEMMAP_DFLASH0      0xAF000000
+#define TC27XD_MEMMAP_DFLASH1      0xAF110000
+#define TC27XD_MEMMAP_OLDA_U       0xAFE70000
+#define TC27XD_MEMMAP_BROM_U       0xAFFF8000
+#define TC27XD_MEMMAP_LMURAM_U     0xB0000000
+#define TC27XD_MEMMAP_EMEM_U       0xBF000000
+#define TC27XD_MEMMAP_PSPRX        0xC0000000
+#define TC27XD_MEMMAP_DSPRX        0xD0000000
+
+static struct tricore_boot_info tc27xd_db_binfo;
+
+static void tricore_load_kernel(CPUTriCoreState *env)
+{
+    uint64_t entry;
+    long kernel_size;
+
+    kernel_size = load_elf(tc27xd_db_binfo.kernel_filename, NULL,
+                           NULL, NULL, &entry, NULL,
+                           NULL, NULL, 0,
+                           EM_TRICORE, 1, 0);
+    if (kernel_size <= 0) {
+        error_report("no kernel file '%s'",
+                tc27xd_db_binfo.kernel_filename);
+        exit(1);
+    }
+    env->PC = entry;
+
+}
+
+/*
+ * Initialize the auxiliary ROM region @mr and map it into
+ * the memory map at @base.
+ */
+static void make_rom(MemoryRegion *mr, const char *name,
+                     hwaddr base, hwaddr size)
+{
+    memory_region_init_rom(mr, NULL, name, size, &error_fatal);
+    memory_region_add_subregion(get_system_memory(), base, mr);
+}
+
+/*
+ * Initialize the auxiliary RAM region @mr and map it into
+ * the memory map at @base.
+ */
+static void make_ram(MemoryRegion *mr, const char *name,
+                     hwaddr base, hwaddr size)
+{
+    memory_region_init_ram(mr, NULL, name, size, &error_fatal);
+    memory_region_add_subregion(get_system_memory(), base, mr);
+}
+
+/*
+ * Create an alias of an entire original MemoryRegion @orig
+ * located at @base in the memory map.
+ */
+static void make_alias(MemoryRegion *mr, const char *name,
+                           MemoryRegion *orig, hwaddr base)
+{
+    memory_region_init_alias(mr, NULL, name, orig, 0,
+                             memory_region_size(orig));
+    memory_region_add_subregion(get_system_memory(), base, mr);
+}
+
+static void tc27xd_memory_maps_init(void)
+{
+    MemoryRegion *dspr0 = g_new(MemoryRegion, 1);
+    MemoryRegion *dspr1 = g_new(MemoryRegion, 1);
+    MemoryRegion *dspr2 = g_new(MemoryRegion, 1);
+    MemoryRegion *dsprX = g_new(MemoryRegion, 1);
+    MemoryRegion *pspr0 = g_new(MemoryRegion, 1);
+    MemoryRegion *pspr1 = g_new(MemoryRegion, 1);
+    MemoryRegion *pspr2 = g_new(MemoryRegion, 1);
+    MemoryRegion *psprX = g_new(MemoryRegion, 1);
+
+    MemoryRegion *pflash0_c = g_new(MemoryRegion, 1);
+    MemoryRegion *pflash1_c = g_new(MemoryRegion, 1);
+    MemoryRegion *pflash0_u = g_new(MemoryRegion, 1);
+    MemoryRegion *pflash1_u = g_new(MemoryRegion, 1);
+    MemoryRegion *dflash0 = g_new(MemoryRegion, 1);
+    MemoryRegion *dflash1 = g_new(MemoryRegion, 1);
+    MemoryRegion *olda_c = g_new(MemoryRegion, 1);
+    MemoryRegion *olda_u = g_new(MemoryRegion, 1);
+    MemoryRegion *brom_c = g_new(MemoryRegion, 1);
+    MemoryRegion *brom_u = g_new(MemoryRegion, 1);
+    MemoryRegion *lmuram_c = g_new(MemoryRegion, 1);
+    MemoryRegion *lmuram_u = g_new(MemoryRegion, 1);
+    MemoryRegion *emem_c = g_new(MemoryRegion, 1);
+    MemoryRegion *emem_u = g_new(MemoryRegion, 1);
+
+    MemoryRegion *pcache0 = g_new(MemoryRegion, 1);
+    MemoryRegion *ptag0 = g_new(MemoryRegion, 1);
+
+    MemoryRegion *dcache1 = g_new(MemoryRegion, 1);
+    MemoryRegion *dtag1 = g_new(MemoryRegion, 1);
+    MemoryRegion *pcache1 = g_new(MemoryRegion, 1);
+    MemoryRegion *ptag1 = g_new(MemoryRegion, 1);
+
+    MemoryRegion *dcache2 = g_new(MemoryRegion, 1);
+    MemoryRegion *dtag2 = g_new(MemoryRegion, 1);
+    MemoryRegion *pcache2 = g_new(MemoryRegion, 1);
+    MemoryRegion *ptag2 = g_new(MemoryRegion, 1);
+
+    make_ram(dspr2, "CPU2.DSPR", TC27XD_MEMMAP_DSPR2, 120 * KiB);
+    make_ram(pspr2, "CPU2.PSPR", TC27XD_MEMMAP_PSPR2,  32 * KiB);
+    make_ram(dspr1, "CPU1.DSPR", TC27XD_MEMMAP_DSPR1, 120 * KiB);
+    make_ram(pspr1, "CPU1.PSPR", TC27XD_MEMMAP_PSPR1,  32 * KiB);
+    make_ram(dspr0, "CPU0.DSPR", TC27XD_MEMMAP_DSPR0, 112 * KiB);
+    make_ram(pspr0, "CPU0.PSPR", TC27XD_MEMMAP_PSPR0,  24 * KiB);
+
+    /*
+     * TriCore QEMU executes CPU0 only, thus it is sufficient to map
+     * LOCAL.PSPR/LOCAL.DSPR exclusively onto PSPR0/DSPR0.
+     */
+    make_alias(psprX, "LOCAL.PSPR", pspr0,
+            TC27XD_MEMMAP_PSPRX);
+    make_alias(dsprX, "LOCAL.DSPR", dspr0,
+            TC27XD_MEMMAP_DSPRX);
+
+    make_ram(pflash0_c, "PF0",    TC27XD_MEMMAP_PFLASH0_C,  2 * MiB);
+    make_ram(pflash1_c, "PF1",    TC27XD_MEMMAP_PFLASH1_C,  2 * MiB);
+    make_ram(dflash0,   "DF0",    TC27XD_MEMMAP_DFLASH0,   1 * MiB + 16 * KiB);
+    make_ram(dflash1,   "DF1",    TC27XD_MEMMAP_DFLASH1,   64 * KiB);
+    make_ram(olda_c,    "OLDA",   TC27XD_MEMMAP_OLDA_C,    32 * KiB);
+    make_rom(brom_c,    "BROM",   TC27XD_MEMMAP_BROM_C,    32 * KiB);
+    make_ram(lmuram_c,  "LMURAM", TC27XD_MEMMAP_LMURAM_C,  32 * KiB);
+    make_ram(emem_c,    "EMEM",   TC27XD_MEMMAP_EMEM_C,     1 * MiB);
+
+    make_alias(pflash0_u, "PF0.U",    pflash0_c, TC27XD_MEMMAP_PFLASH0_U);
+    make_alias(pflash1_u, "PF1.U",    pflash1_c, TC27XD_MEMMAP_PFLASH1_U);
+    make_alias(olda_u,    "OLDA.U",   olda_c,    TC27XD_MEMMAP_OLDA_U);
+    make_alias(brom_u,    "BROM.U",   brom_c,    TC27XD_MEMMAP_BROM_U);
+    make_alias(lmuram_u,  "LMURAM.U", lmuram_c,  TC27XD_MEMMAP_LMURAM_U);
+    make_alias(emem_u,    "EMEM.U",   emem_c,    TC27XD_MEMMAP_EMEM_U);
+
+    /* TODO: Control Cache mapping with Memory Test Unit (MTU) */
+    make_ram(dcache2, "CPU2.DCACHE", TC27XD_MEMMAP_DCACHE2,  8 * KiB);
+    make_ram(dtag2,   "CPU2.DTAG",   TC27XD_MEMMAP_DTAG2,       2560);
+    make_ram(pcache2, "CPU2.PCACHE", TC27XD_MEMMAP_PCACHE2, 16 * KiB);
+    make_ram(ptag2,   "CPU2.PTAG",   TC27XD_MEMMAP_PTAG2,       6144);
+
+    make_ram(dcache1, "CPU1.DCACHE", TC27XD_MEMMAP_DCACHE1,  8 * KiB);
+    make_ram(dtag1,   "CPU1.DTAG",   TC27XD_MEMMAP_DTAG1,       2560);
+    make_ram(pcache1, "CPU1.PCACHE", TC27XD_MEMMAP_PCACHE1, 16 * KiB);
+    make_ram(ptag1,   "CPU1.PTAG",   TC27XD_MEMMAP_PTAG1,       6144);
+
+    make_ram(pcache0, "CPU0.PCACHE", TC27XD_MEMMAP_PCACHE0,  8 * KiB);
+    make_ram(ptag0,   "CPU0.PTAG",   TC27XD_MEMMAP_PTAG0,       2560);
+}
+
+static void tc27xd_tb_init(MachineState *machine)
+{
+    TriCoreCPU *cpu;
+    CPUTriCoreState *env;
+
+    cpu = TRICORE_CPU(cpu_create(machine->cpu_type));
+    env = &cpu->env;
+
+    tc27xd_memory_maps_init();
+
+    tc27xd_db_binfo.ram_size = machine->ram_size;
+    tc27xd_db_binfo.kernel_filename = machine->kernel_filename;
+
+    if (machine->kernel_filename) {
+        tricore_load_kernel(env);
+    }
+}
+
+static void tc27xd_tb_machine_init(MachineClass *mc)
+{
+    mc->desc = "Infineon AURIX TC277 D-Step TriBoard";
+    mc->init = tc27xd_tb_init;
+    mc->is_default = 0;
+    mc->default_cpu_type = TRICORE_CPU_TYPE_NAME("tc27x");
+}
+DEFINE_MACHINE("AURIX_TriBoard_TC277D", tc27xd_tb_machine_init)
-- 
2.26.0




reply via email to

[Prev in Thread] Current Thread [Next in Thread]