X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Fhw%2Farm%2Fdigic_boards.c;fp=qemu%2Fhw%2Farm%2Fdigic_boards.c;h=f8ba9e59583922b822ec0b184c6a3174fe6f1921;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git

diff --git a/qemu/hw/arm/digic_boards.c b/qemu/hw/arm/digic_boards.c
new file mode 100644
index 000000000..f8ba9e595
--- /dev/null
+++ b/qemu/hw/arm/digic_boards.c
@@ -0,0 +1,162 @@
+/*
+ * QEMU model of the Canon DIGIC boards (cameras indeed :).
+ *
+ * Copyright (C) 2013 Antony Pavlov <antonynpavlov@gmail.com>
+ *
+ * This model is based on reverse engineering efforts
+ * made by CHDK (http://chdk.wikia.com) and
+ * Magic Lantern (http://www.magiclantern.fm) projects
+ * contributors.
+ *
+ * See docs here:
+ *   http://magiclantern.wikia.com/wiki/Register_Map
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ */
+
+#include "hw/boards.h"
+#include "exec/address-spaces.h"
+#include "qemu/error-report.h"
+#include "hw/arm/digic.h"
+#include "hw/block/flash.h"
+#include "hw/loader.h"
+#include "sysemu/sysemu.h"
+#include "sysemu/qtest.h"
+
+#define DIGIC4_ROM0_BASE      0xf0000000
+#define DIGIC4_ROM1_BASE      0xf8000000
+#define DIGIC4_ROM_MAX_SIZE   0x08000000
+
+typedef struct DigicBoardState {
+    DigicState *digic;
+    MemoryRegion ram;
+} DigicBoardState;
+
+typedef struct DigicBoard {
+    hwaddr ram_size;
+    void (*add_rom0)(DigicBoardState *, hwaddr, const char *);
+    const char *rom0_def_filename;
+    void (*add_rom1)(DigicBoardState *, hwaddr, const char *);
+    const char *rom1_def_filename;
+} DigicBoard;
+
+static void digic4_board_setup_ram(DigicBoardState *s, hwaddr ram_size)
+{
+    memory_region_allocate_system_memory(&s->ram, NULL, "ram", ram_size);
+    memory_region_add_subregion(get_system_memory(), 0, &s->ram);
+}
+
+static void digic4_board_init(DigicBoard *board)
+{
+    Error *err = NULL;
+
+    DigicBoardState *s = g_new(DigicBoardState, 1);
+
+    s->digic = DIGIC(object_new(TYPE_DIGIC));
+    object_property_set_bool(OBJECT(s->digic), true, "realized", &err);
+    if (err != NULL) {
+        error_report("Couldn't realize DIGIC SoC: %s",
+                     error_get_pretty(err));
+        exit(1);
+    }
+
+    digic4_board_setup_ram(s, board->ram_size);
+
+    if (board->add_rom0) {
+        board->add_rom0(s, DIGIC4_ROM0_BASE, board->rom0_def_filename);
+    }
+
+    if (board->add_rom1) {
+        board->add_rom1(s, DIGIC4_ROM1_BASE, board->rom1_def_filename);
+    }
+}
+
+static void digic_load_rom(DigicBoardState *s, hwaddr addr,
+                           hwaddr max_size, const char *def_filename)
+{
+    target_long rom_size;
+    const char *filename;
+
+    if (qtest_enabled()) {
+        /* qtest runs no code so don't attempt a ROM load which
+         * could fail and result in a spurious test failure.
+         */
+        return;
+    }
+
+    if (bios_name) {
+        filename = bios_name;
+    } else {
+        filename = def_filename;
+    }
+
+    if (filename) {
+        char *fn = qemu_find_file(QEMU_FILE_TYPE_BIOS, filename);
+
+        if (!fn) {
+            error_report("Couldn't find rom image '%s'.", filename);
+            exit(1);
+        }
+
+        rom_size = load_image_targphys(fn, addr, max_size);
+        if (rom_size < 0 || rom_size > max_size) {
+            error_report("Couldn't load rom image '%s'.", filename);
+            exit(1);
+        }
+        g_free(fn);
+    }
+}
+
+/*
+ * Samsung K8P3215UQB
+ * 64M Bit (4Mx16) Page Mode / Multi-Bank NOR Flash Memory
+ */
+static void digic4_add_k8p3215uqb_rom(DigicBoardState *s, hwaddr addr,
+                                      const char *def_filename)
+{
+#define FLASH_K8P3215UQB_SIZE (4 * 1024 * 1024)
+#define FLASH_K8P3215UQB_SECTOR_SIZE (64 * 1024)
+
+    pflash_cfi02_register(addr, NULL, "pflash", FLASH_K8P3215UQB_SIZE,
+                          NULL, FLASH_K8P3215UQB_SECTOR_SIZE,
+                          FLASH_K8P3215UQB_SIZE / FLASH_K8P3215UQB_SECTOR_SIZE,
+                          DIGIC4_ROM_MAX_SIZE / FLASH_K8P3215UQB_SIZE,
+                          4,
+                          0x00EC, 0x007E, 0x0003, 0x0001,
+                          0x0555, 0x2aa, 0);
+
+    digic_load_rom(s, addr, FLASH_K8P3215UQB_SIZE, def_filename);
+}
+
+static DigicBoard digic4_board_canon_a1100 = {
+    .ram_size = 64 * 1024 * 1024,
+    .add_rom1 = digic4_add_k8p3215uqb_rom,
+    .rom1_def_filename = "canon-a1100-rom1.bin",
+};
+
+static void canon_a1100_init(MachineState *machine)
+{
+    digic4_board_init(&digic4_board_canon_a1100);
+}
+
+static QEMUMachine canon_a1100 = {
+    .name = "canon-a1100",
+    .desc = "Canon PowerShot A1100 IS",
+    .init = &canon_a1100_init,
+};
+
+static void digic_register_machines(void)
+{
+    qemu_register_machine(&canon_a1100);
+}
+
+machine_init(digic_register_machines)