SHIX board emulation (Samuel Tardieu)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1862 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 111 insertions, 0 deletions

diff --git a/hw/shix.c b/hw/shix.c
new file mode 100644
index 0000000..9577c09
--- /dev/null
+++ b/hw/shix.c
@@ -0,0 +1,111 @@
+/*
+ * SHIX 2.0 board description
+ * 
+ * Copyright (c) 2005 Samuel Tardieu
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+/* 
+   Shix 2.0 board by Alexis Polti, described at
+   http://perso.enst.fr/~polti/realisations/shix20/
+
+   More information in target-sh4/README.sh4
+*/
+#include "vl.h"
+
+#define BIOS_FILENAME "shix_bios.bin"
+#define BIOS_ADDRESS 0xA0000000
+
+void DMA_run(void)
+{
+    /* XXXXX */
+}
+
+void irq_info(void)
+{
+    /* XXXXX */
+}
+
+void pic_set_irq(int irq, int level)
+{
+    /* XXXXX */
+}
+
+void pic_info()
+{
+    /* XXXXX */
+}
+
+void vga_update_display()
+{
+    /* XXXXX */
+}
+
+void vga_invalidate_display()
+{
+    /* XXXXX */
+}
+
+void vga_screen_dump(const char *filename)
+{
+    /* XXXXX */
+}
+
+void shix_init(int ram_size, int vga_ram_size, int boot_device,
+	       DisplayState * ds, const char **fd_filename, int snapshot,
+	       const char *kernel_filename, const char *kernel_cmdline,
+	       const char *initrd_filename)
+{
+    int ret;
+    CPUState *env;
+    struct SH7750State *s;
+
+    printf("Initializing CPU\n");
+    env = cpu_init();
+
+    /* Allocate memory space */
+    printf("Allocating ROM\n");
+    cpu_register_physical_memory(0x00000000, 0x00004000, IO_MEM_ROM);
+    printf("Allocating SDRAM 1\n");
+    cpu_register_physical_memory(0x08000000, 0x01000000, 0x00004000);
+    printf("Allocating SDRAM 2\n");
+    cpu_register_physical_memory(0x0c000000, 0x01000000, 0x01004000);
+
+    /* Load BIOS in 0 (and access it through P2, 0xA0000000) */
+    printf("%s: load BIOS '%s'\n", __func__, BIOS_FILENAME);
+    ret = load_image(BIOS_FILENAME, phys_ram_base);
+    if (ret < 0) {		/* Check bios size */
+	fprintf(stderr, "ret=%d\n", ret);
+	fprintf(stderr, "qemu: could not load SHIX bios '%s'\n",
+		BIOS_FILENAME);
+	exit(1);
+    }
+
+    /* Register peripherals */
+    s = sh7750_init(env);
+    /* XXXXX Check success */
+    tc58128_init(s, "shix_linux_nand.bin", NULL);
+    fprintf(stderr, "initialization terminated\n");
+}
+
+QEMUMachine shix_machine = {
+    "shix",
+    "shix card",
+    shix_init
+};