[Qemu-devel] [PATCH 13/14] AT91 PES Development Board

[Filip Navara]

The board scheme is available at
http://support.dce.felk.cvut.cz/e-kurzy/file.php/19/cviceni/Schema.pdf

Only the AT91SAM7X microcontroller, rotary encoder, matrix keyboard and
their connections are implemented.

Signed-off-by: Filip Navara <address@hidden>
---
 Makefile.target |    2 +-
 hw/at91pes.c    |  138 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 139 insertions(+), 1 deletions(-)
 create mode 100644 hw/at91pes.c

diff --git a/Makefile.target b/Makefile.target
index c8a990a..dca5340 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -667,7 +667,7 @@ obj-y += syborg.o syborg_fb.o syborg_interrupt.o 
syborg_keyboard.o
 obj-y += syborg_serial.o syborg_timer.o syborg_pointer.o syborg_rtc.o
 obj-y += syborg_virtio.o
 obj-y += at91_aic.o at91_dbgu.o at91_pio.o at91_pit.o at91_pmc.o at91_rtt.o
-obj-y += at91_rstc.o at91_intor.o at91_tc.o at91_emac.o
+obj-y += at91_rstc.o at91_intor.o at91_tc.o at91_emac.o at91pes.o
 obj-y += gpio_rotary.o gpio_keypad.o
 CPPFLAGS += -DHAS_AUDIO
 endif
diff --git a/hw/at91pes.c b/hw/at91pes.c
new file mode 100644
index 0000000..544eaaf
--- /dev/null
+++ b/hw/at91pes.c
@@ -0,0 +1,138 @@
+/*
+ * AT91 PES Development Board
+ *
+ * Copyright (c) 2009 Filip Navara
+ *
+ * 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.
+ */
+
+#include "sysbus.h"
+#include "boards.h"
+#include "arm-misc.h"
+#include "sysemu.h"
+#include "net.h"
+
+static void at91pes_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)
+{
+    struct arm_boot_info at91pes_binfo;
+    CPUState *env;
+    qemu_irq *cpu_pic;
+    qemu_irq pic[32];
+    qemu_irq pic1[32];
+    ram_addr_t ram_addr;
+    DeviceState *dev;
+    DeviceState *pioa;
+    DeviceState *piob;
+    DeviceState *pmc;
+    DeviceState *pit;
+    uint32_t keys[] = {
+            2 /* 1 */, 3 /* 2 */, 4 /* 3 */, 30 /* A */,
+            5 /* 4 */, 6 /* 5 */, 7 /* 6 */, 48 /* B */,
+            8 /* 7 */, 9 /* 8 */, 10 /* 9 */, 46 /* C */,
+            42 /* LShift */, 11 /* 0 */, 12 /* - */, 32 /* D */
+        };
+    int i;
+
+    if (!cpu_model)
+        cpu_model = "arm7tdmi";
+    env = cpu_init(cpu_model);
+    if (!env) {
+        fprintf(stderr, "Unable to find CPU definition\n");
+        exit(1);
+    }
+
+    /* RAM at address zero. */
+    ram_addr = qemu_ram_alloc(ram_size);
+    cpu_register_physical_memory(0, 0x100000, ram_addr | IO_MEM_RAM);
+    cpu_register_physical_memory(0x200000, ram_size, ram_addr | IO_MEM_RAM);
+
+    cpu_pic = arm_pic_init_cpu(env);
+    dev = sysbus_create_varargs("at91,aic", 0xFFFFF000,
+                                cpu_pic[ARM_PIC_CPU_IRQ],
+                                cpu_pic[ARM_PIC_CPU_FIQ],
+                                NULL);
+    for (i = 0; i < 32; i++) {
+        pic[i] = qdev_get_gpio_in(dev, i);
+    }
+
+    dev = sysbus_create_simple("at91,intor", -1, pic[1]);
+    for (i = 0; i < 32; i++) {
+        pic1[i] = qdev_get_gpio_in(dev, i);
+    }
+
+    sysbus_create_simple("at91,dbgu", 0xFFFFF200, pic1[0]);
+    pmc = sysbus_create_simple("at91,pmc", 0xFFFFFC00, pic1[1]);
+    sysbus_create_varargs("at91,rstc", 0xFFFFFD00, NULL);
+    pioa = sysbus_create_simple("at91,pio", 0xFFFFF400, pic[2]);
+    piob = sysbus_create_simple("at91,pio", 0xFFFFF600, pic[3]);
+    sysbus_create_simple("at91,rtt", 0xFFFFFD20, pic1[2]);
+    pit = sysbus_create_simple("at91,pit", 0xFFFFFD30, pic1[3]);
+    sysbus_create_varargs("at91,tc", 0xFFFA0000, pic[12], pic[13], pic[14], 
NULL);
+
+    qemu_check_nic_model(&nd_table[0], "at91");
+    dev = qdev_create(NULL, "at91,emac");
+    qdev_set_netdev(dev, &nd_table[0]);
+    qdev_init(dev);
+    sysbus_mmio_map(sysbus_from_qdev(dev), 0, 0xFFFDC000);
+    sysbus_connect_irq(sysbus_from_qdev(dev), 0, pic[16]);
+
+    dev = qdev_create(NULL, "gpio,keypad");
+    qdev_set_prop_ptr(dev, "keys", keys);
+    qdev_init(dev);
+    for (i = 0; i < 4; i++) {
+        qdev_connect_gpio_out(pioa, 21 + i, qdev_get_gpio_in(dev, 4 + i));
+        qdev_connect_gpio_out(dev, 4 + i, qdev_get_gpio_in(pioa, 21 + i));
+    }
+    for (i = 0; i < 2; i++) {
+        qdev_connect_gpio_out(pioa, 26 - i, qdev_get_gpio_in(dev, 2 + i));
+        qdev_connect_gpio_out(dev, 2 + i, qdev_get_gpio_in(pioa, 26 - i));
+        qdev_connect_gpio_out(pioa, 30 - i, qdev_get_gpio_in(dev, i));
+        qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(pioa, 30 - i));
+    }
+
+    dev = qdev_create(NULL, "gpio,rotary");
+    qdev_set_prop_int(dev, "key-left", 0xcb);
+    qdev_set_prop_int(dev, "key-right", 0xcd);
+    qdev_init(dev);
+    qdev_connect_gpio_out(dev, 0, qdev_get_gpio_in(piob, 22));
+    qdev_connect_gpio_out(dev, 1, qdev_get_gpio_in(piob, 23));
+
+    at91pes_binfo.ram_size = ram_size;
+    at91pes_binfo.kernel_filename = kernel_filename;
+    at91pes_binfo.kernel_cmdline = kernel_cmdline;
+    at91pes_binfo.initrd_filename = initrd_filename;
+    at91pes_binfo.board_id = 0;
+    arm_load_kernel(env, &at91pes_binfo);
+}
+
+static QEMUMachine at91pes_machine = {
+    .name = "at91pes",
+    .desc = "Atmel AT91SAM7X PES Development Board",
+    .init = at91pes_init,
+};
+
+static void at91pes_machine_init(void)
+{
+    qemu_register_machine(&at91pes_machine);
+}
+
+machine_init(at91pes_machine_init);
-- 
1.6.3.msysgit.0