hw/beagle: Implement Beagle, Beagle XM machines

Implement the Beagleboard; which is the most common OMAP3
developer board. We provide both a Beagle C4 and a Beagle XM.

1 files changed, 142 insertions, 0 deletions

diff --git a/hw/beagle.c b/hw/beagle.c
new file mode 100644
index 0000000000..01d665a7a1
--- /dev/null
+++ b/hw/beagle.c
@@ -0,0 +1,142 @@
+/*
+ * Beagle board emulation. http://beagleboard.org/
+ *
+ * Copyright (c) 2009 Nokia Corporation
+ *
+ * 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 or
+ * (at your option) any later version of the License.
+ *
+ * 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 "qemu-common.h"
+#include "sysemu.h"
+#include "omap.h"
+#include "arm-misc.h"
+#include "boards.h"
+#include "i2c.h"
+#include "net.h"
+#include "devices.h"
+#include "flash.h"
+#include "sysbus.h"
+#include "blockdev.h"
+#include "exec-memory.h"
+
+#define BEAGLE_NAND_CS       0
+#define BEAGLE_SMC_CS        1
+#define BEAGLE_NAND_PAGESIZE 0x800
+#define BEAGLE_SDRAM_SIZE    (256 * 1024 * 1024) /* 256MB */
+#define BEAGLE_XM_SDRAM_SIZE (512 * 1024 * 1024) /* 512MB */
+/* GPIO ID pins are used to identify which beagle variant we have */
+#define BEAGLE_GPIO_ID1      171
+#define BEAGLE_GPIO_ID2      172
+#define BEAGLE_GPIO_ID3      173
+
+/* Beagle board support */
+struct beagle_s {
+    struct omap_mpu_state_s *cpu;
+
+    DeviceState *nand;
+    void *twl4030;
+    DeviceState *smc;
+    DeviceState *ddc;
+};
+
+static void beagle_common_init(ram_addr_t ram_size,
+                        const char *boot_device,
+                        const char *kernel_filename,
+                        const char *kernel_cmdline,
+                        const char *initrd_filename,
+                        int cpu_model)
+{
+    MemoryRegion *sysmem = get_system_memory();
+    struct beagle_s *s = (struct beagle_s *) g_malloc0(sizeof(*s));
+    DriveInfo *dmtd = drive_get(IF_MTD, 0, 0);
+    DriveInfo *dsd  = drive_get(IF_SD, 0, 0);
+
+    if (!dmtd && !dsd) {
+        hw_error("%s: SD or NAND image required", __FUNCTION__);
+    }
+#if MAX_SERIAL_PORTS < 1
+#error MAX_SERIAL_PORTS must be at least 1!
+#endif
+    s->cpu = omap3_mpu_init(sysmem, cpu_model, ram_size,
+                            NULL, NULL, serial_hds[0], NULL);
+
+    s->nand = nand_init(dmtd ? dmtd->bdrv : NULL, NAND_MFR_MICRON, 0xba);
+    nand_setpins(s->nand, 0, 0, 0, 1, 0); /* no write-protect */
+    omap_gpmc_attach_nand(s->cpu->gpmc, BEAGLE_NAND_CS, s->nand);
+
+    if (dsd) {
+        omap3_mmc_attach(s->cpu->omap3_mmc[0], dsd->bdrv, 0, 0);
+    }
+
+    s->twl4030 = twl4030_init(omap_i2c_bus(s->cpu->i2c[0]),
+                              qdev_get_gpio_in(s->cpu->ih[0],
+                                               OMAP_INT_3XXX_SYS_NIRQ),
+                              NULL, NULL);
+    if (cpu_model == omap3430) {
+        qemu_set_irq(qdev_get_gpio_in(s->cpu->gpio, BEAGLE_GPIO_ID1),1);
+        qemu_set_irq(qdev_get_gpio_in(s->cpu->gpio, BEAGLE_GPIO_ID3),1);
+    }
+
+    /* Wire up an I2C slave which returns EDID monitor information;
+     * newer Linux kernels won't turn on the display unless they
+     * detect a monitor over DDC.
+     */
+    s->ddc = i2c_create_slave(omap_i2c_bus(s->cpu->i2c[2]), "i2c-ddc", 0x50);
+
+    omap_lcd_panel_attach(s->cpu->dss);
+}
+
+static void beagle_xm_init(ram_addr_t ram_size,
+                        const char *boot_device,
+                        const char *kernel_filename,
+                        const char *kernel_cmdline,
+                        const char *initrd_filename,
+                        const char *cpu_model)
+{
+    beagle_common_init(BEAGLE_XM_SDRAM_SIZE, boot_device, kernel_filename,
+                       kernel_cmdline, initrd_filename, omap3630);
+}
+static void beagle_init(ram_addr_t ram_size,
+                        const char *boot_device,
+                        const char *kernel_filename,
+                        const char *kernel_cmdline,
+                        const char *initrd_filename,
+                        const char *cpu_model)
+{
+    beagle_common_init(BEAGLE_SDRAM_SIZE, boot_device, kernel_filename,
+                       kernel_cmdline, initrd_filename, omap3430);
+}
+
+QEMUMachine beagle_machine = {
+    .name =        "beagle",
+    .desc =        "Beagle board (OMAP3530)",
+    .init =        beagle_init,
+};
+
+QEMUMachine beagle_xm_machine = {
+    .name =        "beaglexm",
+    .desc =        "Beagle board XM (OMAP3630)",
+    .init =        beagle_xm_init,
+};
+
+
+static void beagle_machine_init(void)
+{
+    qemu_register_machine(&beagle_machine);
+    qemu_register_machine(&beagle_xm_machine);
+}
+
+machine_init(beagle_machine_init);