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 | |
59 | typedef struct IMX25PDK { |
60 | FslIMX25State soc; |
61 | MemoryRegion ram; |
62 | MemoryRegion ram_alias; |
63 | } IMX25PDK; |
64 | |
65 | static struct arm_boot_info imx25_pdk_binfo; |
66 | |
67 | static 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 | |
133 | static 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 | |
140 | DEFINE_MACHINE("imx25-pdk" , imx25_pdk_machine_init) |
141 | |