xref: /openbmc/qemu/hw/arm/mainstone.c (revision 5accc840)
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/blockdev.h"
22 #include "hw/sysbus.h"
23 #include "exec/address-spaces.h"
24 
25 /* Device addresses */
26 #define MST_FPGA_PHYS	0x08000000
27 #define MST_ETH_PHYS	0x10000300
28 #define MST_FLASH_0		0x00000000
29 #define MST_FLASH_1		0x04000000
30 
31 /* IRQ definitions */
32 #define MMC_IRQ       0
33 #define USIM_IRQ      1
34 #define USBC_IRQ      2
35 #define ETHERNET_IRQ  3
36 #define AC97_IRQ      4
37 #define PEN_IRQ       5
38 #define MSINS_IRQ     6
39 #define EXBRD_IRQ     7
40 #define S0_CD_IRQ     9
41 #define S0_STSCHG_IRQ 10
42 #define S0_IRQ        11
43 #define S1_CD_IRQ     13
44 #define S1_STSCHG_IRQ 14
45 #define S1_IRQ        15
46 
47 static struct keymap map[0xE0] = {
48     [0 ... 0xDF] = { -1, -1 },
49     [0x1e] = {0,0}, /* a */
50     [0x30] = {0,1}, /* b */
51     [0x2e] = {0,2}, /* c */
52     [0x20] = {0,3}, /* d */
53     [0x12] = {0,4}, /* e */
54     [0x21] = {0,5}, /* f */
55     [0x22] = {1,0}, /* g */
56     [0x23] = {1,1}, /* h */
57     [0x17] = {1,2}, /* i */
58     [0x24] = {1,3}, /* j */
59     [0x25] = {1,4}, /* k */
60     [0x26] = {1,5}, /* l */
61     [0x32] = {2,0}, /* m */
62     [0x31] = {2,1}, /* n */
63     [0x18] = {2,2}, /* o */
64     [0x19] = {2,3}, /* p */
65     [0x10] = {2,4}, /* q */
66     [0x13] = {2,5}, /* r */
67     [0x1f] = {3,0}, /* s */
68     [0x14] = {3,1}, /* t */
69     [0x16] = {3,2}, /* u */
70     [0x2f] = {3,3}, /* v */
71     [0x11] = {3,4}, /* w */
72     [0x2d] = {3,5}, /* x */
73     [0x15] = {4,2}, /* y */
74     [0x2c] = {4,3}, /* z */
75     [0xc7] = {5,0}, /* Home */
76     [0x2a] = {5,1}, /* shift */
77     [0x39] = {5,2}, /* space */
78     [0x39] = {5,3}, /* space */
79     [0x1c] = {5,5}, /*  enter */
80     [0xc8] = {6,0}, /* up */
81     [0xd0] = {6,1}, /* down */
82     [0xcb] = {6,2}, /* left */
83     [0xcd] = {6,3}, /* right */
84 };
85 
86 enum mainstone_model_e { mainstone };
87 
88 #define MAINSTONE_RAM	0x04000000
89 #define MAINSTONE_ROM	0x00800000
90 #define MAINSTONE_FLASH	0x02000000
91 
92 static struct arm_boot_info mainstone_binfo = {
93     .loader_start = PXA2XX_SDRAM_BASE,
94     .ram_size = 0x04000000,
95 };
96 
97 static void mainstone_common_init(MemoryRegion *address_space_mem,
98                                   QEMUMachineInitArgs *args,
99                                   enum mainstone_model_e model, int arm_id)
100 {
101     uint32_t sector_len = 256 * 1024;
102     hwaddr mainstone_flash_base[] = { MST_FLASH_0, MST_FLASH_1 };
103     PXA2xxState *mpu;
104     DeviceState *mst_irq;
105     DriveInfo *dinfo;
106     int i;
107     int be;
108     MemoryRegion *rom = g_new(MemoryRegion, 1);
109     const char *cpu_model = args->cpu_model;
110 
111     if (!cpu_model)
112         cpu_model = "pxa270-c5";
113 
114     /* Setup CPU & memory */
115     mpu = pxa270_init(address_space_mem, mainstone_binfo.ram_size, cpu_model);
116     memory_region_init_ram(rom, NULL, "mainstone.rom", MAINSTONE_ROM);
117     vmstate_register_ram_global(rom);
118     memory_region_set_readonly(rom, true);
119     memory_region_add_subregion(address_space_mem, 0, rom);
120 
121 #ifdef TARGET_WORDS_BIGENDIAN
122     be = 1;
123 #else
124     be = 0;
125 #endif
126     /* There are two 32MiB flash devices on the board */
127     for (i = 0; i < 2; i ++) {
128         dinfo = drive_get(IF_PFLASH, 0, i);
129         if (!dinfo) {
130             fprintf(stderr, "Two flash images must be given with the "
131                     "'pflash' parameter\n");
132             exit(1);
133         }
134 
135         if (!pflash_cfi01_register(mainstone_flash_base[i], NULL,
136                                    i ? "mainstone.flash1" : "mainstone.flash0",
137                                    MAINSTONE_FLASH,
138                                    dinfo->bdrv, sector_len,
139                                    MAINSTONE_FLASH / sector_len, 4, 0, 0, 0, 0,
140                                    be)) {
141             fprintf(stderr, "qemu: Error registering flash memory.\n");
142             exit(1);
143         }
144     }
145 
146     mst_irq = sysbus_create_simple("mainstone-fpga", MST_FPGA_PHYS,
147                     qdev_get_gpio_in(mpu->gpio, 0));
148 
149     /* setup keypad */
150     printf("map addr %p\n", &map);
151     pxa27x_register_keypad(mpu->kp, map, 0xe0);
152 
153     /* MMC/SD host */
154     pxa2xx_mmci_handlers(mpu->mmc, NULL, qdev_get_gpio_in(mst_irq, MMC_IRQ));
155 
156     pxa2xx_pcmcia_set_irq_cb(mpu->pcmcia[0],
157             qdev_get_gpio_in(mst_irq, S0_IRQ),
158             qdev_get_gpio_in(mst_irq, S0_CD_IRQ));
159     pxa2xx_pcmcia_set_irq_cb(mpu->pcmcia[1],
160             qdev_get_gpio_in(mst_irq, S1_IRQ),
161             qdev_get_gpio_in(mst_irq, S1_CD_IRQ));
162 
163     smc91c111_init(&nd_table[0], MST_ETH_PHYS,
164                     qdev_get_gpio_in(mst_irq, ETHERNET_IRQ));
165 
166     mainstone_binfo.kernel_filename = args->kernel_filename;
167     mainstone_binfo.kernel_cmdline = args->kernel_cmdline;
168     mainstone_binfo.initrd_filename = args->initrd_filename;
169     mainstone_binfo.board_id = arm_id;
170     arm_load_kernel(mpu->cpu, &mainstone_binfo);
171 }
172 
173 static void mainstone_init(QEMUMachineInitArgs *args)
174 {
175     mainstone_common_init(get_system_memory(), args, mainstone, 0x196);
176 }
177 
178 static QEMUMachine mainstone2_machine = {
179     .name = "mainstone",
180     .desc = "Mainstone II (PXA27x)",
181     .init = mainstone_init,
182 };
183 
184 static void mainstone_machine_init(void)
185 {
186     qemu_register_machine(&mainstone2_machine);
187 }
188 
189 machine_init(mainstone_machine_init);
190