1/*
2 * Copyright (c) 2013 Jean-Christophe Dubois <jcd@tribudubois.net>
3 *
4 * PDK Board System emulation.
5 *
6 * Based on hw/arm/kzm.c
7 *
8 * Copyright (c) 2008 OKL and 2011 NICTA
9 * Written by Hans at OK-Labs
10 * Updated by Peter Chubb.
11 *
12 * This program is free software; you can redistribute it and/or modify it
13 * under the terms of the GNU General Public License as published by the
14 * Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful, but WITHOUT
18 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
19 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
20 * for more details.
21 *
22 * You should have received a copy of the GNU General Public License along
23 * with this program; if not, see <http://www.gnu.org/licenses/>.
24 */
25
26#include "qemu/osdep.h"
27#include "qapi/error.h"
28#include "cpu.h"
29#include "hw/arm/fsl-imx25.h"
30#include "hw/boards.h"
31#include "qemu/error-report.h"
32#include "exec/address-spaces.h"
33#include "sysemu/qtest.h"
34#include "hw/i2c/i2c.h"
35
36/* Memory map for PDK Emulation Baseboard:
37 * 0x00000000-0x7fffffff See i.MX25 SOC fr support
38 * 0x80000000-0x87ffffff RAM + Alias EMULATED
39 * 0x90000000-0x9fffffff RAM + Alias EMULATED
40 * 0xa0000000-0xa7ffffff Flash IGNORED
41 * 0xa8000000-0xafffffff Flash IGNORED
42 * 0xb0000000-0xb1ffffff SRAM IGNORED
43 * 0xb2000000-0xb3ffffff SRAM IGNORED
44 * 0xb4000000-0xb5ffffff CS4 IGNORED
45 * 0xb6000000-0xb8000fff Reserved IGNORED
46 * 0xb8001000-0xb8001fff SDRAM CTRL reg IGNORED
47 * 0xb8002000-0xb8002fff WEIM CTRL reg IGNORED
48 * 0xb8003000-0xb8003fff M3IF CTRL reg IGNORED
49 * 0xb8004000-0xb8004fff EMI CTRL reg IGNORED
50 * 0xb8005000-0xbaffffff Reserved IGNORED
51 * 0xbb000000-0xbb000fff NAND flash area buf IGNORED
52 * 0xbb001000-0xbb0011ff NAND flash reserved IGNORED
53 * 0xbb001200-0xbb001dff Reserved IGNORED
54 * 0xbb001e00-0xbb001fff NAN flash CTRL reg IGNORED
55 * 0xbb012000-0xbfffffff Reserved IGNORED
56 * 0xc0000000-0xffffffff Reserved IGNORED
57 */
58
59typedef struct IMX25PDK {
60 FslIMX25State soc;
61 MemoryRegion ram;
62 MemoryRegion ram_alias;
63} IMX25PDK;
64
65static struct arm_boot_info imx25_pdk_binfo;
66
67static void imx25_pdk_init(MachineState *machine)
68{
69 IMX25PDK *s = g_new0(IMX25PDK, 1);
70 unsigned int ram_size;
71 unsigned int alias_offset;
72 int i;
73
74 object_initialize_child(OBJECT(machine), "soc", &s->soc, sizeof(s->soc),
75 TYPE_FSL_IMX25, &error_abort, NULL);
76
77 object_property_set_bool(OBJECT(&s->soc), true, "realized", &error_fatal);
78
79 /* We need to initialize our memory */
80 if (machine->ram_size > (FSL_IMX25_SDRAM0_SIZE + FSL_IMX25_SDRAM1_SIZE)) {
81 warn_report("RAM size " RAM_ADDR_FMT " above max supported, "
82 "reduced to %x", machine->ram_size,
83 FSL_IMX25_SDRAM0_SIZE + FSL_IMX25_SDRAM1_SIZE);
84 machine->ram_size = FSL_IMX25_SDRAM0_SIZE + FSL_IMX25_SDRAM1_SIZE;
85 }
86
87 memory_region_allocate_system_memory(&s->ram, NULL, "imx25.ram",
88 machine->ram_size);
89 memory_region_add_subregion(get_system_memory(), FSL_IMX25_SDRAM0_ADDR,
90 &s->ram);
91
92 /* initialize the alias memory if any */
93 for (i = 0, ram_size = machine->ram_size, alias_offset = 0;
94 (i < 2) && ram_size; i++) {
95 unsigned int size;
96 static const struct {
97 hwaddr addr;
98 unsigned int size;
99 } ram[2] = {
100 { FSL_IMX25_SDRAM0_ADDR, FSL_IMX25_SDRAM0_SIZE },
101 { FSL_IMX25_SDRAM1_ADDR, FSL_IMX25_SDRAM1_SIZE },
102 };
103
104 size = MIN(ram_size, ram[i].size);
105
106 ram_size -= size;
107
108 if (size < ram[i].size) {
109 memory_region_init_alias(&s->ram_alias, NULL, "ram.alias",
110 &s->ram, alias_offset, ram[i].size - size);
111 memory_region_add_subregion(get_system_memory(),
112 ram[i].addr + size, &s->ram_alias);
113 }
114
115 alias_offset += ram[i].size;
116 }
117
118 imx25_pdk_binfo.ram_size = machine->ram_size;
119 imx25_pdk_binfo.loader_start = FSL_IMX25_SDRAM0_ADDR;
120 imx25_pdk_binfo.board_id = 1771,
121 imx25_pdk_binfo.nb_cpus = 1;
122
123 /*
124 * We test explicitly for qtest here as it is not done (yet?) in
125 * arm_load_kernel(). Without this the "make check" command would
126 * fail.
127 */
128 if (!qtest_enabled()) {
129 arm_load_kernel(&s->soc.cpu, machine, &imx25_pdk_binfo);
130 }
131}
132
133static void imx25_pdk_machine_init(MachineClass *mc)
134{
135 mc->desc = "ARM i.MX25 PDK board (ARM926)";
136 mc->init = imx25_pdk_init;
137 mc->ignore_memory_transaction_failures = true;
138}
139
140DEFINE_MACHINE("imx25-pdk", imx25_pdk_machine_init)
141