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265817c7 WD |
1 | /* |
2 | * (C) Copyright 2003 | |
3 | * Thomas.Lange@corelatus.se | |
4 | * | |
5 | * See file CREDITS for list of people who contributed to this | |
6 | * project. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as | |
10 | * published by the Free Software Foundation; either version 2 of | |
11 | * the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
21 | * MA 02111-1307 USA | |
22 | */ | |
23 | ||
24 | #include <common.h> | |
25 | #include <command.h> | |
26 | #include <asm/au1x00.h> | |
27 | #include <asm/mipsregs.h> | |
5c15010e | 28 | #include <asm/io.h> |
265817c7 | 29 | |
9973e3c6 | 30 | phys_size_t initdram(int board_type) |
265817c7 WD |
31 | { |
32 | /* Sdram is setup by assembler code */ | |
33 | /* If memory could be changed, we should return the true value here */ | |
34 | return 64*1024*1024; | |
35 | } | |
36 | ||
37 | #define BCSR_PCMCIA_PC0DRVEN 0x0010 | |
38 | #define BCSR_PCMCIA_PC0RST 0x0080 | |
39 | ||
1e3827d9 | 40 | /* In arch/mips/cpu/cpu.c */ |
265817c7 WD |
41 | void write_one_tlb( int index, u32 pagemask, u32 hi, u32 low0, u32 low1 ); |
42 | ||
43 | int checkboard (void) | |
44 | { | |
6073f61e | 45 | #if defined(CONFIG_IDE_PCMCIA) && 0 |
265817c7 | 46 | u16 status; |
6073f61e | 47 | #endif |
265817c7 WD |
48 | /* volatile u32 *pcmcia_bcsr = (u32*)(DB1000_BCSR_ADDR+0x10); */ |
49 | volatile u32 *sys_counter = (volatile u32*)SYS_COUNTER_CNTRL; | |
50 | u32 proc_id; | |
51 | ||
52 | *sys_counter = 0x100; /* Enable 32 kHz oscillator for RTC/TOY */ | |
53 | ||
e2ad8426 | 54 | proc_id = read_c0_prid(); |
265817c7 WD |
55 | |
56 | switch (proc_id >> 24) { | |
57 | case 0: | |
58 | puts ("Board: Pb1000\n"); | |
59 | printf ("CPU: Au1000 396 MHz, id: 0x%02x, rev: 0x%02x\n", | |
60 | (proc_id >> 8) & 0xFF, proc_id & 0xFF); | |
61 | break; | |
62 | case 1: | |
63 | puts ("Board: Pb1500\n"); | |
64 | printf ("CPU: Au1500, id: 0x%02x, rev: 0x%02x\n", | |
65 | (proc_id >> 8) & 0xFF, proc_id & 0xFF); | |
66 | break; | |
67 | case 2: | |
68 | puts ("Board: Pb1100\n"); | |
69 | printf ("CPU: Au1100, id: 0x%02x, rev: 0x%02x\n", | |
70 | (proc_id >> 8) & 0xFF, proc_id & 0xFF); | |
71 | break; | |
72 | default: | |
73 | printf ("Unsupported cpu %d, proc_id=0x%x\n", proc_id >> 24, proc_id); | |
74 | } | |
5c15010e JCPV |
75 | |
76 | set_io_port_base(0); | |
77 | ||
265817c7 WD |
78 | #if defined(CONFIG_IDE_PCMCIA) && 0 |
79 | /* Enable 3.3 V on slot 0 ( VCC ) | |
80 | No 5V */ | |
81 | status = 4; | |
82 | *pcmcia_bcsr = status; | |
83 | ||
84 | status |= BCSR_PCMCIA_PC0DRVEN; | |
85 | *pcmcia_bcsr = status; | |
86 | au_sync(); | |
87 | ||
88 | udelay(300*1000); | |
89 | ||
90 | status |= BCSR_PCMCIA_PC0RST; | |
91 | *pcmcia_bcsr = status; | |
92 | au_sync(); | |
93 | ||
94 | udelay(100*1000); | |
95 | ||
96 | /* PCMCIA is on a 36 bit physical address. | |
97 | We need to map it into a 32 bit addresses */ | |
98 | ||
99 | #if 0 | |
100 | /* We dont need theese unless we run whole pcmcia package */ | |
101 | write_one_tlb(20, /* index */ | |
102 | 0x01ffe000, /* Pagemask, 16 MB pages */ | |
6d0f6bcf | 103 | CONFIG_SYS_PCMCIA_IO_BASE, /* Hi */ |
265817c7 WD |
104 | 0x3C000017, /* Lo0 */ |
105 | 0x3C200017); /* Lo1 */ | |
106 | ||
107 | write_one_tlb(21, /* index */ | |
108 | 0x01ffe000, /* Pagemask, 16 MB pages */ | |
6d0f6bcf | 109 | CONFIG_SYS_PCMCIA_ATTR_BASE, /* Hi */ |
265817c7 WD |
110 | 0x3D000017, /* Lo0 */ |
111 | 0x3D200017); /* Lo1 */ | |
112 | #endif /* 0 */ | |
113 | write_one_tlb(22, /* index */ | |
114 | 0x01ffe000, /* Pagemask, 16 MB pages */ | |
6d0f6bcf | 115 | CONFIG_SYS_PCMCIA_MEM_ADDR, /* Hi */ |
265817c7 WD |
116 | 0x3E000017, /* Lo0 */ |
117 | 0x3E200017); /* Lo1 */ | |
118 | #endif /* CONFIG_IDE_PCMCIA */ | |
119 | ||
120 | return 0; | |
121 | } |