xref: /openbmc/qemu/hw/arm/mainstone.c (revision 91bfcdb0)
1 /*
2  * PXA270-based Intel Mainstone platforms.
3  *
4  * Copyright (c) 2007 by Armin Kuster <akuster@kama-aina.net> or
5  *                                    <akuster@mvista.com>
6  *
7  * Code based on spitz platform by Andrzej Zaborowski <balrog@zabor.org>
8  *
9  * This code is licensed under the GNU GPL v2.
10  *
11  * Contributions after 2012-01-13 are licensed under the terms of the
12  * GNU GPL, version 2 or (at your option) any later version.
13  */
14 #include "hw/hw.h"
15 #include "hw/arm/pxa.h"
16 #include "hw/arm/arm.h"
17 #include "net/net.h"
18 #include "hw/devices.h"
19 #include "hw/boards.h"
20 #include "hw/block/flash.h"
21 #include "sysemu/block-backend.h"
22 #include "hw/sysbus.h"
23 #include "exec/address-spaces.h"
24 #include "sysemu/qtest.h"
25 
26 /* Device addresses */
27 #define MST_FPGA_PHYS	0x08000000
28 #define MST_ETH_PHYS	0x10000300
29 #define MST_FLASH_0		0x00000000
30 #define MST_FLASH_1		0x04000000
31 
32 /* IRQ definitions */
33 #define MMC_IRQ       0
34 #define USIM_IRQ      1
35 #define USBC_IRQ      2
36 #define ETHERNET_IRQ  3
37 #define AC97_IRQ      4
38 #define PEN_IRQ       5
39 #define MSINS_IRQ     6
40 #define EXBRD_IRQ     7
41 #define S0_CD_IRQ     9
42 #define S0_STSCHG_IRQ 10
43 #define S0_IRQ        11
44 #define S1_CD_IRQ     13
45 #define S1_STSCHG_IRQ 14
46 #define S1_IRQ        15
47 
48 static const struct keymap map[0xE0] = {
49     [0 ... 0xDF] = { -1, -1 },
50     [0x1e] = {0,0}, /* a */
51     [0x30] = {0,1}, /* b */
52     [0x2e] = {0,2}, /* c */
53     [0x20] = {0,3}, /* d */
54     [0x12] = {0,4}, /* e */
55     [0x21] = {0,5}, /* f */
56     [0x22] = {1,0}, /* g */
57     [0x23] = {1,1}, /* h */
58     [0x17] = {1,2}, /* i */
59     [0x24] = {1,3}, /* j */
60     [0x25] = {1,4}, /* k */
61     [0x26] = {1,5}, /* l */
62     [0x32] = {2,0}, /* m */
63     [0x31] = {2,1}, /* n */
64     [0x18] = {2,2}, /* o */
65     [0x19] = {2,3}, /* p */
66     [0x10] = {2,4}, /* q */
67     [0x13] = {2,5}, /* r */
68     [0x1f] = {3,0}, /* s */
69     [0x14] = {3,1}, /* t */
70     [0x16] = {3,2}, /* u */
71     [0x2f] = {3,3}, /* v */
72     [0x11] = {3,4}, /* w */
73     [0x2d] = {3,5}, /* x */
74     [0x15] = {4,2}, /* y */
75     [0x2c] = {4,3}, /* z */
76     [0xc7] = {5,0}, /* Home */
77     [0x2a] = {5,1}, /* shift */
78     /*
79      * There are two matrix positions which map to space,
80      * but QEMU can only use one of them for the reverse
81      * mapping, so simply use the second one.
82      */
83     /* [0x39] = {5,2}, space */
84     [0x39] = {5,3}, /* space */
85     /*
86      * Matrix position {5,4} and other keys are missing here.
87      * TODO: Compare with Linux code and test real hardware.
88      */
89     [0x1c] = {5,5}, /* enter (TODO: might be wrong) */
90     [0xc8] = {6,0}, /* up */
91     [0xd0] = {6,1}, /* down */
92     [0xcb] = {6,2}, /* left */
93     [0xcd] = {6,3}, /* right */
94 };
95 
96 enum mainstone_model_e { mainstone };
97 
98 #define MAINSTONE_RAM	0x04000000
99 #define MAINSTONE_ROM	0x00800000
100 #define MAINSTONE_FLASH	0x02000000
101 
102 static struct arm_boot_info mainstone_binfo = {
103     .loader_start = PXA2XX_SDRAM_BASE,
104     .ram_size = 0x04000000,
105 };
106 
107 static void mainstone_common_init(MemoryRegion *address_space_mem,
108                                   MachineState *machine,
109                                   enum mainstone_model_e model, int arm_id)
110 {
111     uint32_t sector_len = 256 * 1024;
112     hwaddr mainstone_flash_base[] = { MST_FLASH_0, MST_FLASH_1 };
113     PXA2xxState *mpu;
114     DeviceState *mst_irq;
115     DriveInfo *dinfo;
116     int i;
117     int be;
118     MemoryRegion *rom = g_new(MemoryRegion, 1);
119     const char *cpu_model = machine->cpu_model;
120 
121     if (!cpu_model)
122         cpu_model = "pxa270-c5";
123 
124     /* Setup CPU & memory */
125     mpu = pxa270_init(address_space_mem, mainstone_binfo.ram_size, cpu_model);
126     memory_region_init_ram(rom, NULL, "mainstone.rom", MAINSTONE_ROM,
127                            &error_fatal);
128     vmstate_register_ram_global(rom);
129     memory_region_set_readonly(rom, true);
130     memory_region_add_subregion(address_space_mem, 0, rom);
131 
132 #ifdef TARGET_WORDS_BIGENDIAN
133     be = 1;
134 #else
135     be = 0;
136 #endif
137     /* There are two 32MiB flash devices on the board */
138     for (i = 0; i < 2; i ++) {
139         dinfo = drive_get(IF_PFLASH, 0, i);
140         if (!dinfo) {
141             if (qtest_enabled()) {
142                 break;
143             }
144             fprintf(stderr, "Two flash images must be given with the "
145                     "'pflash' parameter\n");
146             exit(1);
147         }
148 
149         if (!pflash_cfi01_register(mainstone_flash_base[i], NULL,
150                                    i ? "mainstone.flash1" : "mainstone.flash0",
151                                    MAINSTONE_FLASH,
152                                    blk_by_legacy_dinfo(dinfo),
153                                    sector_len, MAINSTONE_FLASH / sector_len,
154                                    4, 0, 0, 0, 0, be)) {
155             fprintf(stderr, "qemu: Error registering flash memory.\n");
156             exit(1);
157         }
158     }
159 
160     mst_irq = sysbus_create_simple("mainstone-fpga", MST_FPGA_PHYS,
161                     qdev_get_gpio_in(mpu->gpio, 0));
162 
163     /* setup keypad */
164     pxa27x_register_keypad(mpu->kp, map, 0xe0);
165 
166     /* MMC/SD host */
167     pxa2xx_mmci_handlers(mpu->mmc, NULL, qdev_get_gpio_in(mst_irq, MMC_IRQ));
168 
169     pxa2xx_pcmcia_set_irq_cb(mpu->pcmcia[0],
170             qdev_get_gpio_in(mst_irq, S0_IRQ),
171             qdev_get_gpio_in(mst_irq, S0_CD_IRQ));
172     pxa2xx_pcmcia_set_irq_cb(mpu->pcmcia[1],
173             qdev_get_gpio_in(mst_irq, S1_IRQ),
174             qdev_get_gpio_in(mst_irq, S1_CD_IRQ));
175 
176     smc91c111_init(&nd_table[0], MST_ETH_PHYS,
177                     qdev_get_gpio_in(mst_irq, ETHERNET_IRQ));
178 
179     mainstone_binfo.kernel_filename = machine->kernel_filename;
180     mainstone_binfo.kernel_cmdline = machine->kernel_cmdline;
181     mainstone_binfo.initrd_filename = machine->initrd_filename;
182     mainstone_binfo.board_id = arm_id;
183     arm_load_kernel(mpu->cpu, &mainstone_binfo);
184 }
185 
186 static void mainstone_init(MachineState *machine)
187 {
188     mainstone_common_init(get_system_memory(), machine, mainstone, 0x196);
189 }
190 
191 static void mainstone2_machine_init(MachineClass *mc)
192 {
193     mc->desc = "Mainstone II (PXA27x)";
194     mc->init = mainstone_init;
195 }
196 
197 DEFINE_MACHINE("mainstone", mainstone2_machine_init)
198