2 * KZM Board System emulation.
4 * Copyright (c) 2008 OKL and 2011 NICTA
5 * Written by Hans at OK-Labs
6 * Updated by Peter Chubb.
8 * This code is licensed under the GPL, version 2 or later.
9 * See the file `COPYING' in the top level directory.
11 * It (partially) emulates a Kyoto Microcomputer
12 * KZM-ARM11-01 evaluation board, with a Freescale
16 #include "qemu/osdep.h"
17 #include "qapi/error.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"
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
53 typedef struct IMX31KZM
{
55 MemoryRegion ram_alias
;
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
,
67 static void kzm_init(MachineState
*machine
)
69 IMX31KZM
*s
= g_new0(IMX31KZM
, 1);
70 unsigned int ram_size
;
71 unsigned int alias_offset
;
74 object_initialize_child(OBJECT(machine
), "soc", &s
->soc
, sizeof(s
->soc
),
75 TYPE_FSL_IMX31
, &error_abort
, NULL
);
77 object_property_set_bool(OBJECT(&s
->soc
), true, "realized", &error_fatal
);
79 /* Check the amount of memory is compatible with the SOC */
80 if (machine
->ram_size
> (FSL_IMX31_SDRAM0_SIZE
+ FSL_IMX31_SDRAM1_SIZE
)) {
81 char *sz
= size_to_str(FSL_IMX31_SDRAM0_SIZE
+ FSL_IMX31_SDRAM1_SIZE
);
82 error_report("RAM size more than %s is not supported", sz
);
87 memory_region_add_subregion(get_system_memory(), FSL_IMX31_SDRAM0_ADDR
,
90 /* initialize the alias memory if any */
91 for (i
= 0, ram_size
= machine
->ram_size
, alias_offset
= 0;
92 (i
< 2) && ram_size
; i
++) {
98 { FSL_IMX31_SDRAM0_ADDR
, FSL_IMX31_SDRAM0_SIZE
},
99 { FSL_IMX31_SDRAM1_ADDR
, FSL_IMX31_SDRAM1_SIZE
},
102 size
= MIN(ram_size
, ram
[i
].size
);
106 if (size
< ram
[i
].size
) {
107 memory_region_init_alias(&s
->ram_alias
, NULL
, "ram.alias",
109 alias_offset
, ram
[i
].size
- size
);
110 memory_region_add_subregion(get_system_memory(),
111 ram
[i
].addr
+ size
, &s
->ram_alias
);
114 alias_offset
+= ram
[i
].size
;
117 if (nd_table
[0].used
) {
118 lan9118_init(&nd_table
[0], KZM_LAN9118_ADDR
,
119 qdev_get_gpio_in(DEVICE(&s
->soc
.avic
), 52));
122 if (serial_hd(2)) { /* touchscreen */
123 serial_mm_init(get_system_memory(), KZM_FPGA_ADDR
+0x10, 0,
124 qdev_get_gpio_in(DEVICE(&s
->soc
.avic
), 52),
125 14745600, serial_hd(2), DEVICE_NATIVE_ENDIAN
);
128 kzm_binfo
.ram_size
= machine
->ram_size
;
129 kzm_binfo
.nb_cpus
= 1;
131 if (!qtest_enabled()) {
132 arm_load_kernel(&s
->soc
.cpu
, machine
, &kzm_binfo
);
136 static void kzm_machine_init(MachineClass
*mc
)
138 mc
->desc
= "ARM KZM Emulation Baseboard (ARM1136)";
140 mc
->ignore_memory_transaction_failures
= true;
141 mc
->default_ram_id
= "kzm.ram";
144 DEFINE_MACHINE("kzm", kzm_machine_init
)