xref: /openbmc/qemu/hw/ppc/ppc405.h (revision 915f77b2)
1 /*
2  * QEMU PowerPC 405 shared definitions
3  *
4  * Copyright (c) 2007 Jocelyn Mayer
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to deal
8  * in the Software without restriction, including without limitation the rights
9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 
25 #ifndef PPC405_H
26 #define PPC405_H
27 
28 #include "hw/ppc/ppc4xx.h"
29 
30 #define PPC405EP_SDRAM_BASE 0x00000000
31 #define PPC405EP_NVRAM_BASE 0xF0000000
32 #define PPC405EP_FPGA_BASE  0xF0300000
33 #define PPC405EP_SRAM_BASE  0xFFF00000
34 #define PPC405EP_SRAM_SIZE  (512 * KiB)
35 #define PPC405EP_FLASH_BASE 0xFFF80000
36 
37 /* Bootinfo as set-up by u-boot */
38 typedef struct ppc4xx_bd_info_t ppc4xx_bd_info_t;
39 struct ppc4xx_bd_info_t {
40     uint32_t bi_memstart;
41     uint32_t bi_memsize;
42     uint32_t bi_flashstart;
43     uint32_t bi_flashsize;
44     uint32_t bi_flashoffset; /* 0x10 */
45     uint32_t bi_sramstart;
46     uint32_t bi_sramsize;
47     uint32_t bi_bootflags;
48     uint32_t bi_ipaddr; /* 0x20 */
49     uint8_t  bi_enetaddr[6];
50     uint16_t bi_ethspeed;
51     uint32_t bi_intfreq;
52     uint32_t bi_busfreq; /* 0x30 */
53     uint32_t bi_baudrate;
54     uint8_t  bi_s_version[4];
55     uint8_t  bi_r_version[32];
56     uint32_t bi_procfreq;
57     uint32_t bi_plb_busfreq;
58     uint32_t bi_pci_busfreq;
59     uint8_t  bi_pci_enetaddr[6];
60     uint8_t  bi_pci_enetaddr2[6]; /* PPC405EP specific */
61     uint32_t bi_opbfreq;
62     uint32_t bi_iic_fast[2];
63 };
64 
65 /* PowerPC 405 core */
66 ram_addr_t ppc405_set_bootinfo(CPUPPCState *env, ram_addr_t ram_size);
67 
68 void ppc4xx_plb_init(CPUPPCState *env);
69 void ppc405_ebc_init(CPUPPCState *env);
70 
71 PowerPCCPU *ppc405ep_init(MemoryRegion *address_space_mem,
72                         MemoryRegion ram_memories[2],
73                         hwaddr ram_bases[2],
74                         hwaddr ram_sizes[2],
75                         uint32_t sysclk, DeviceState **uicdev,
76                         int do_init);
77 
78 #endif /* PPC405_H */
79