1/*
2 * Alchemy DB/PB1xxx board support.
3 */
4
5#include <asm/mach-au1x00/au1000.h>
6#include <asm/mach-db1x00/bcsr.h>
7
8int __init db1000_board_setup(void);
9int __init db1000_dev_setup(void);
10int __init db1500_pci_setup(void);
11int __init db1200_board_setup(void);
12int __init db1200_dev_setup(void);
13int __init db1300_board_setup(void);
14int __init db1300_dev_setup(void);
15int __init db1550_board_setup(void);
16int __init db1550_dev_setup(void);
17int __init db1550_pci_setup(int);
18
19static const char *board_type_str(void)
20{
21	switch (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI))) {
22	case BCSR_WHOAMI_DB1000:
23		return "DB1000";
24	case BCSR_WHOAMI_DB1500:
25		return "DB1500";
26	case BCSR_WHOAMI_DB1100:
27		return "DB1100";
28	case BCSR_WHOAMI_PB1500:
29	case BCSR_WHOAMI_PB1500R2:
30		return "PB1500";
31	case BCSR_WHOAMI_PB1100:
32		return "PB1100";
33	case BCSR_WHOAMI_PB1200_DDR1:
34	case BCSR_WHOAMI_PB1200_DDR2:
35		return "PB1200";
36	case BCSR_WHOAMI_DB1200:
37		return "DB1200";
38	case BCSR_WHOAMI_DB1300:
39		return "DB1300";
40	case BCSR_WHOAMI_DB1550:
41		return "DB1550";
42	case BCSR_WHOAMI_PB1550_SDR:
43	case BCSR_WHOAMI_PB1550_DDR:
44		return "PB1550";
45	default:
46		return "(unknown)";
47	}
48}
49
50const char *get_system_type(void)
51{
52	return board_type_str();
53}
54
55void __init board_setup(void)
56{
57	int ret;
58
59	switch (alchemy_get_cputype()) {
60	case ALCHEMY_CPU_AU1000:
61	case ALCHEMY_CPU_AU1500:
62	case ALCHEMY_CPU_AU1100:
63		ret = db1000_board_setup();
64		break;
65	case ALCHEMY_CPU_AU1550:
66		ret = db1550_board_setup();
67		break;
68	case ALCHEMY_CPU_AU1200:
69		ret = db1200_board_setup();
70		break;
71	case ALCHEMY_CPU_AU1300:
72		ret = db1300_board_setup();
73		break;
74	default:
75		pr_err("unsupported CPU on board\n");
76		ret = -ENODEV;
77	}
78	if (ret)
79		panic("cannot initialize board support");
80}
81
82static int __init db1xxx_arch_init(void)
83{
84	int id = BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI));
85	if (id == BCSR_WHOAMI_DB1550)
86		return db1550_pci_setup(0);
87	else if ((id == BCSR_WHOAMI_PB1550_SDR) ||
88		 (id == BCSR_WHOAMI_PB1550_DDR))
89		return db1550_pci_setup(1);
90	else if ((id == BCSR_WHOAMI_DB1500) || (id == BCSR_WHOAMI_PB1500) ||
91		 (id == BCSR_WHOAMI_PB1500R2))
92		return db1500_pci_setup();
93
94	return 0;
95}
96arch_initcall(db1xxx_arch_init);
97
98static int __init db1xxx_dev_init(void)
99{
100	switch (BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI))) {
101	case BCSR_WHOAMI_DB1000:
102	case BCSR_WHOAMI_DB1500:
103	case BCSR_WHOAMI_DB1100:
104	case BCSR_WHOAMI_PB1500:
105	case BCSR_WHOAMI_PB1500R2:
106	case BCSR_WHOAMI_PB1100:
107		return db1000_dev_setup();
108	case BCSR_WHOAMI_PB1200_DDR1:
109	case BCSR_WHOAMI_PB1200_DDR2:
110	case BCSR_WHOAMI_DB1200:
111		return db1200_dev_setup();
112	case BCSR_WHOAMI_DB1300:
113		return db1300_dev_setup();
114	case BCSR_WHOAMI_DB1550:
115	case BCSR_WHOAMI_PB1550_SDR:
116	case BCSR_WHOAMI_PB1550_DDR:
117		return db1550_dev_setup();
118	}
119	return 0;
120}
121device_initcall(db1xxx_dev_init);
122