target/mips: Remove XBurst Media eXtension Unit dead code
[qemu/ar7.git] / hw / arm / kzm.c
blobe3f7d4ead2324ebd211317a3e39d18b0d817abc3
1 /*
2  * KZM Board System emulation.
3  *
4  * Copyright (c) 2008 OKL and 2011 NICTA
5  * Written by Hans at OK-Labs
6  * Updated by Peter Chubb.
7  *
8  * This code is licensed under the GPL, version 2 or later.
9  * See the file `COPYING' in the top level directory.
10  *
11  * It (partially) emulates a Kyoto Microcomputer
12  * KZM-ARM11-01 evaluation board, with a Freescale
13  * i.MX31 SoC
14  */
16 #include "qemu/osdep.h"
17 #include "qapi/error.h"
18 #include "cpu.h"
19 #include "hw/arm/fsl-imx31.h"
20 #include "hw/boards.h"
21 #include "qemu/error-report.h"
22 #include "exec/address-spaces.h"
23 #include "net/net.h"
24 #include "hw/net/lan9118.h"
25 #include "hw/char/serial.h"
26 #include "sysemu/qtest.h"
27 #include "sysemu/sysemu.h"
28 #include "qemu/cutils.h"
30 /* Memory map for Kzm Emulation Baseboard:
31  * 0x00000000-0x7fffffff See i.MX31 SOC for support
32  * 0x80000000-0x8fffffff RAM                  EMULATED
33  * 0x90000000-0x9fffffff RAM                  EMULATED
34  * 0xa0000000-0xafffffff Flash                IGNORED
35  * 0xb0000000-0xb3ffffff Unavailable          IGNORED
36  * 0xb4000000-0xb4000fff 8-bit free space     IGNORED
37  * 0xb4001000-0xb400100f Board control        IGNORED
38  *  0xb4001003           DIP switch
39  * 0xb4001010-0xb400101f 7-segment LED        IGNORED
40  * 0xb4001020-0xb400102f LED                  IGNORED
41  * 0xb4001030-0xb400103f LED                  IGNORED
42  * 0xb4001040-0xb400104f FPGA, UART           EMULATED
43  * 0xb4001050-0xb400105f FPGA, UART           EMULATED
44  * 0xb4001060-0xb40fffff FPGA                 IGNORED
45  * 0xb6000000-0xb61fffff LAN controller       EMULATED
46  * 0xb6200000-0xb62fffff FPGA NAND Controller IGNORED
47  * 0xb6300000-0xb7ffffff Free                 IGNORED
48  * 0xb8000000-0xb8004fff Memory control registers IGNORED
49  * 0xc0000000-0xc3ffffff PCMCIA/CF            IGNORED
50  * 0xc4000000-0xffffffff Reserved             IGNORED
51  */
53 typedef struct IMX31KZM {
54     FslIMX31State soc;
55     MemoryRegion ram_alias;
56 } IMX31KZM;
58 #define KZM_RAM_ADDR            (FSL_IMX31_SDRAM0_ADDR)
59 #define KZM_FPGA_ADDR           (FSL_IMX31_CS4_ADDR + 0x1040)
60 #define KZM_LAN9118_ADDR        (FSL_IMX31_CS5_ADDR)
62 static struct arm_boot_info kzm_binfo = {
63     .loader_start = KZM_RAM_ADDR,
64     .board_id = 1722,
67 static void kzm_init(MachineState *machine)
69     IMX31KZM *s = g_new0(IMX31KZM, 1);
70     unsigned int ram_size;
71     unsigned int alias_offset;
72     unsigned int i;
74     object_initialize_child(OBJECT(machine), "soc", &s->soc, TYPE_FSL_IMX31);
76     qdev_realize(DEVICE(&s->soc), NULL, &error_fatal);
78     /* Check the amount of memory is compatible with the SOC */
79     if (machine->ram_size > (FSL_IMX31_SDRAM0_SIZE + FSL_IMX31_SDRAM1_SIZE)) {
80         char *sz = size_to_str(FSL_IMX31_SDRAM0_SIZE + FSL_IMX31_SDRAM1_SIZE);
81         error_report("RAM size more than %s is not supported", sz);
82         g_free(sz);
83         exit(EXIT_FAILURE);
84     }
86     memory_region_add_subregion(get_system_memory(), FSL_IMX31_SDRAM0_ADDR,
87                                 machine->ram);
89     /* initialize the alias memory if any */
90     for (i = 0, ram_size = machine->ram_size, alias_offset = 0;
91          (i < 2) && ram_size; i++) {
92         unsigned int size;
93         static const struct {
94             hwaddr addr;
95             unsigned int size;
96         } ram[2] = {
97             { FSL_IMX31_SDRAM0_ADDR, FSL_IMX31_SDRAM0_SIZE },
98             { FSL_IMX31_SDRAM1_ADDR, FSL_IMX31_SDRAM1_SIZE },
99         };
101         size = MIN(ram_size, ram[i].size);
103         ram_size -= size;
105         if (size < ram[i].size) {
106             memory_region_init_alias(&s->ram_alias, NULL, "ram.alias",
107                                      machine->ram,
108                                      alias_offset, ram[i].size - size);
109             memory_region_add_subregion(get_system_memory(),
110                                         ram[i].addr + size, &s->ram_alias);
111         }
113         alias_offset += ram[i].size;
114     }
116     if (nd_table[0].used) {
117         lan9118_init(&nd_table[0], KZM_LAN9118_ADDR,
118                      qdev_get_gpio_in(DEVICE(&s->soc.avic), 52));
119     }
121     if (serial_hd(2)) { /* touchscreen */
122         serial_mm_init(get_system_memory(), KZM_FPGA_ADDR+0x10, 0,
123                        qdev_get_gpio_in(DEVICE(&s->soc.avic), 52),
124                        14745600, serial_hd(2), DEVICE_NATIVE_ENDIAN);
125     }
127     kzm_binfo.ram_size = machine->ram_size;
128     kzm_binfo.nb_cpus = 1;
130     if (!qtest_enabled()) {
131         arm_load_kernel(&s->soc.cpu, machine, &kzm_binfo);
132     }
135 static void kzm_machine_init(MachineClass *mc)
137     mc->desc = "ARM KZM Emulation Baseboard (ARM1136)";
138     mc->init = kzm_init;
139     mc->ignore_memory_transaction_failures = true;
140     mc->default_ram_id = "kzm.ram";
143 DEFINE_MACHINE("kzm", kzm_machine_init)