i.MX31: KZM-ARM11-01 evaluation board

Board support for Kyoto Micro's KZM-ARM11-01, an evaluation board built
around the Freescale i.MX31.

Signed-off-by: Philip O'Sullivan <philipo@ok-labs.com>
Signed-off-by: Peter Chubb <peter.chubb@nicta.com.au>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

MAINTAINERS

@@ -207,6 +207,12 @@ M: qemu-devel@nongnu.org
 S: Orphan
 F: hw/gumstix.c
 
+i.MX31
+M: Peter Chubb <peter.chubb@nicta.com.au>
+S: Odd fixes
+F: hw/imx*
+F: hw/kzm.c
+
 Integrator CP
 M: Paul Brook <paul@codesourcery.com>
 M: Peter Maydell <peter.maydell@linaro.org>

hw/arm/Makefile.objs

@@ -36,6 +36,7 @@ obj-y += vexpress.o
 obj-y += strongarm.o
 obj-y += collie.o
 obj-y += imx_serial.o imx_ccm.o imx_timer.o imx_avic.o
+obj-y += kzm.o
 obj-y += pl041.o lm4549.o
 obj-$(CONFIG_FDT) += ../device_tree.o
 

hw/kzm.c

+/*
+ * KZM Board System emulation.
+ *
+ * Copyright (c) 2008 OKL and 2011 NICTA
+ * Written by Hans at OK-Labs
+ * Updated by Peter Chubb.
+ *
+ * This code is licenced under the GPL, version 2 or later.
+ * See the file `COPYING' in the top level directory.
+ *
+ * It (partially) emulates a Kyoto Microcomputer
+ * KZM-ARM11-01 evaluation board, with a Freescale
+ * i.MX31 SoC
+ */
+
+#include "sysbus.h"
+#include "exec-memory.h"
+#include "hw.h"
+#include "arm-misc.h"
+#include "devices.h"
+#include "net.h"
+#include "sysemu.h"
+#include "boards.h"
+#include "pc.h" /* for the FPGA UART that emulates a 16550 */
+#include "imx.h"
+
+    /* Memory map for Kzm Emulation Baseboard:
+     * 0x00000000-0x00003fff 16k secure ROM       IGNORED
+     * 0x00004000-0x00407fff Reserved             IGNORED
+     * 0x00404000-0x00407fff ROM                  IGNORED
+     * 0x00408000-0x0fffffff Reserved             IGNORED
+     * 0x10000000-0x1fffbfff RAM aliasing         IGNORED
+     * 0x1fffc000-0x1fffffff RAM                  EMULATED
+     * 0x20000000-0x2fffffff Reserved             IGNORED
+     * 0x30000000-0x7fffffff I.MX31 Internal Register Space
+     *   0x43f00000 IO_AREA0
+     *   0x43f90000 UART1                         EMULATED
+     *   0x43f94000 UART2                         EMULATED
+     *   0x68000000 AVIC                          EMULATED
+     *   0x53f80000 CCM                           EMULATED
+     *   0x53f94000 PIT 1                         EMULATED
+     *   0x53f98000 PIT 2                         EMULATED
+     *   0x53f90000 GPT                           EMULATED
+     * 0x80000000-0x87ffffff RAM                  EMULATED
+     * 0x88000000-0x8fffffff RAM Aliasing         EMULATED
+     * 0xa0000000-0xafffffff NAND Flash           IGNORED
+     * 0xb0000000-0xb3ffffff Unavailable          IGNORED
+     * 0xb4000000-0xb4000fff 8-bit free space     IGNORED
+     * 0xb4001000-0xb400100f Board control        IGNORED
+     *  0xb4001003           DIP switch
+     * 0xb4001010-0xb400101f 7-segment LED        IGNORED
+     * 0xb4001020-0xb400102f LED                  IGNORED
+     * 0xb4001030-0xb400103f LED                  IGNORED
+     * 0xb4001040-0xb400104f FPGA, UART           EMULATED
+     * 0xb4001050-0xb400105f FPGA, UART           EMULATED
+     * 0xb4001060-0xb40fffff FPGA                 IGNORED
+     * 0xb6000000-0xb61fffff LAN controller       EMULATED
+     * 0xb6200000-0xb62fffff FPGA NAND Controller IGNORED
+     * 0xb6300000-0xb7ffffff Free                 IGNORED
+     * 0xb8000000-0xb8004fff Memory control registers IGNORED
+     * 0xc0000000-0xc3ffffff PCMCIA/CF            IGNORED
+     * 0xc4000000-0xffffffff Reserved             IGNORED
+     */
+
+#define KZM_RAMADDRESS (0x80000000)
+#define KZM_FPGA       (0xb4001040)
+
+static struct arm_boot_info kzm_binfo = {
+    .loader_start = KZM_RAMADDRESS,
+    .board_id = 1722,
+};
+
+static void kzm_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)
+{
+    ARMCPU *cpu;
+    MemoryRegion *address_space_mem = get_system_memory();
+    MemoryRegion *ram = g_new(MemoryRegion, 1);
+    MemoryRegion *sram = g_new(MemoryRegion, 1);
+    MemoryRegion *ram_alias = g_new(MemoryRegion, 1);
+    qemu_irq *cpu_pic;
+    DeviceState *dev;
+    DeviceState *ccm;
+
+    if (!cpu_model) {
+        cpu_model = "arm1136";
+    }
+
+    cpu = cpu_arm_init(cpu_model);
+    if (!cpu) {
+        fprintf(stderr, "Unable to find CPU definition\n");
+        exit(1);
+    }
+
+    /* On a real system, the first 16k is a `secure boot rom' */
+
+    memory_region_init_ram(ram, "kzm.ram", ram_size);
+    vmstate_register_ram_global(ram);
+    memory_region_add_subregion(address_space_mem, KZM_RAMADDRESS, ram);
+
+    memory_region_init_alias(ram_alias, "ram.alias", ram, 0, ram_size);
+    memory_region_add_subregion(address_space_mem, 0x88000000, ram_alias);
+
+    memory_region_init_ram(sram, "kzm.sram", 0x4000);
+    memory_region_add_subregion(address_space_mem, 0x1FFFC000, sram);
+
+    cpu_pic = arm_pic_init_cpu(cpu);
+    dev = sysbus_create_varargs("imx_avic", 0x68000000,
+                                cpu_pic[ARM_PIC_CPU_IRQ],
+                                cpu_pic[ARM_PIC_CPU_FIQ], NULL);
+
+
+    imx_serial_create(0, 0x43f90000, qdev_get_gpio_in(dev, 45));
+    imx_serial_create(1, 0x43f94000, qdev_get_gpio_in(dev, 32));
+
+    ccm = sysbus_create_simple("imx_ccm", 0x53f80000, NULL);
+
+    imx_timerp_create(0x53f94000, qdev_get_gpio_in(dev, 28), ccm);
+    imx_timerp_create(0x53f98000, qdev_get_gpio_in(dev, 27), ccm);
+    imx_timerg_create(0x53f90000, qdev_get_gpio_in(dev, 29), ccm);
+
+    if (nd_table[0].vlan) {
+        lan9118_init(&nd_table[0], 0xb6000000, qdev_get_gpio_in(dev, 52));
+    }
+
+    if (serial_hds[2]) { /* touchscreen */
+        serial_mm_init(address_space_mem, KZM_FPGA+0x10, 0,
+                       qdev_get_gpio_in(dev, 52),
+                       14745600, serial_hds[2],
+                       DEVICE_NATIVE_ENDIAN);
+    }
+
+    kzm_binfo.ram_size = ram_size;
+    kzm_binfo.kernel_filename = kernel_filename;
+    kzm_binfo.kernel_cmdline = kernel_cmdline;
+    kzm_binfo.initrd_filename = initrd_filename;
+    kzm_binfo.nb_cpus = 1;
+    arm_load_kernel(cpu, &kzm_binfo);
+}
+
+static QEMUMachine kzm_machine = {
+    .name = "kzm",
+    .desc = "ARM KZM Emulation Baseboard (ARM1136)",
+    .init = kzm_init,
+};
+
+static void kzm_machine_init(void)
+{
+    qemu_register_machine(&kzm_machine);
+}
+
+machine_init(kzm_machine_init)