Basic OMAP310 support. Basic Palm Tungsten|E machine emulation.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3091 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 140 insertions, 0 deletions

diff --git a/hw/palm.c b/hw/palm.c
new file mode 100644
index 0000000000..623fcd6482
--- /dev/null
+++ b/hw/palm.c
@@ -0,0 +1,140 @@
+/*
+ * PalmOne's (TM) PDAs.
+ *
+ * Copyright (C) 2006-2007 Andrzej Zaborowski  <balrog@zabor.org>
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include "vl.h"
+
+static uint32_t static_readb(void *opaque, target_phys_addr_t offset)
+{
+    uint32_t *val = (uint32_t *) opaque;
+    return *val >> ((offset & 3) << 3);
+}
+
+static uint32_t static_readh(void *opaque, target_phys_addr_t offset) {
+    uint32_t *val = (uint32_t *) opaque;
+    return *val >> ((offset & 1) << 3);
+}
+
+static uint32_t static_readw(void *opaque, target_phys_addr_t offset) {
+    uint32_t *val = (uint32_t *) opaque;
+    return *val >> ((offset & 0) << 3);
+}
+
+static void static_write(void *opaque, target_phys_addr_t offset,
+                uint32_t value) {
+#ifdef SPY
+    printf("%s: value %08lx written at " PA_FMT "\n",
+                    __FUNCTION__, value, offset);
+#endif
+}
+
+static CPUReadMemoryFunc *static_readfn[] = {
+    static_readb,
+    static_readh,
+    static_readw,
+};
+
+static CPUWriteMemoryFunc *static_writefn[] = {
+    static_write,
+    static_write,
+    static_write,
+};
+
+/* Palm Tunsgten|E support */
+static void palmte_microwire_setup(struct omap_mpu_state_s *cpu)
+{
+}
+
+static void palmte_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, const char *cpu_model)
+{
+    struct omap_mpu_state_s *cpu;
+    int flash_size = 0x00800000;
+    int sdram_size = 0x02000000;
+    int io;
+    static uint32_t cs0val = 0xffffffff;
+    static uint32_t cs1val = 0x0000e1a0;
+    static uint32_t cs2val = 0x0000e1a0;
+    static uint32_t cs3val = 0xe1a0e1a0;
+    ram_addr_t phys_flash;
+    int rom_size, rom_loaded = 0;
+
+    if (ram_size < flash_size + sdram_size + OMAP15XX_SRAM_SIZE) {
+        fprintf(stderr, "This architecture uses %i bytes of memory\n",
+                        flash_size + sdram_size + OMAP15XX_SRAM_SIZE);
+        exit(1);
+    }
+
+    cpu = omap310_mpu_init(sdram_size, ds, cpu_model);
+
+    /* External Flash (EMIFS) */
+    cpu_register_physical_memory(OMAP_CS0_BASE, flash_size,
+                    (phys_flash = qemu_ram_alloc(flash_size)) | IO_MEM_ROM);
+
+    io = cpu_register_io_memory(0, static_readfn, static_writefn, &cs0val);
+    cpu_register_physical_memory(OMAP_CS0_BASE + flash_size,
+                    OMAP_CS0_SIZE - flash_size, io);
+    io = cpu_register_io_memory(0, static_readfn, static_writefn, &cs1val);
+    cpu_register_physical_memory(OMAP_CS1_BASE, OMAP_CS1_SIZE, io);
+    io = cpu_register_io_memory(0, static_readfn, static_writefn, &cs2val);
+    cpu_register_physical_memory(OMAP_CS2_BASE, OMAP_CS2_SIZE, io);
+    io = cpu_register_io_memory(0, static_readfn, static_writefn, &cs3val);
+    cpu_register_physical_memory(OMAP_CS3_BASE, OMAP_CS3_SIZE, io);
+
+    palmte_microwire_setup(cpu);
+
+    /* Setup initial (reset) machine state */
+    if (nb_option_roms) {
+        rom_size = get_image_size(option_rom[0]);
+        if (rom_size > flash_size)
+            fprintf(stderr, "%s: ROM image too big (%x > %x)\n",
+                            __FUNCTION__, rom_size, flash_size);
+        else if (rom_size > 0 && load_image(option_rom[0],
+                                phys_ram_base + phys_flash) > 0) {
+            rom_loaded = 1;
+            cpu->env->regs[15] = 0x00000000;
+        } else
+            fprintf(stderr, "%s: error loading '%s'\n",
+                            __FUNCTION__, option_rom[0]);
+    }
+
+    if (!rom_loaded && !kernel_filename) {
+        fprintf(stderr, "Kernel or ROM image must be specified\n");
+        exit(1);
+    }
+
+    /* Load the kernel.  */
+    if (kernel_filename) {
+        /* Start at bootloader.  */
+        cpu->env->regs[15] = OMAP_EMIFF_BASE;
+
+        arm_load_kernel(cpu->env, sdram_size, kernel_filename, kernel_cmdline,
+                        initrd_filename, 0x331, OMAP_EMIFF_BASE);
+    }
+
+    dpy_resize(ds, 320, 320);
+}
+
+QEMUMachine palmte_machine = {
+    "cheetah",
+    "Palm Tungsten|E aka. Cheetah PDA (OMAP310)",
+    palmte_init,
+};