3 * Sangmoon Kim, Etin Systems. dogoil@etinsys.com.
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
29 #include <asm/processor.h>
33 puts ("Board: KVME080\n");
37 unsigned long setdram(int m, int row, int col, int bank)
40 unsigned long start, end;
42 uint32_t mear1 = 0, emear1 = 0, msar1 = 0, emsar1 = 0;
43 uint32_t mear2 = 0, emear2 = 0, msar2 = 0, emsar2 = 0;
46 CONFIG_READ_WORD(MCCR1, mccr1);
49 start = CFG_SDRAM_BASE;
50 end = start + (1 << (col + row + 3) ) * bank - 1;
52 for (i = 0; i < m; i++) {
53 mccr1 |= ((row == 13)? 2 : (bank == 4)? 0 : 3) << i * 2;
55 msar1 |= ((start >> 20) & 0xff) << i * 8;
56 emsar1 |= ((start >> 28) & 0xff) << i * 8;
57 mear1 |= ((end >> 20) & 0xff) << i * 8;
58 emear1 |= ((end >> 28) & 0xff) << i * 8;
60 msar2 |= ((start >> 20) & 0xff) << (i-4) * 8;
61 emsar2 |= ((start >> 28) & 0xff) << (i-4) * 8;
62 mear2 |= ((end >> 20) & 0xff) << (i-4) * 8;
63 emear2 |= ((end >> 28) & 0xff) << (i-4) * 8;
66 start += (1 << (col + row + 3) ) * bank;
67 end += (1 << (col + row + 3) ) * bank;
71 msar1 |= 0xff << i * 8;
72 emsar1 |= 0x30 << i * 8;
73 mear1 |= 0xff << i * 8;
74 emear1 |= 0x30 << i * 8;
76 msar2 |= 0xff << (i-4) * 8;
77 emsar2 |= 0x30 << (i-4) * 8;
78 mear2 |= 0xff << (i-4) * 8;
79 emear2 |= 0x30 << (i-4) * 8;
83 CONFIG_WRITE_WORD(MCCR1, mccr1);
84 CONFIG_WRITE_WORD(MSAR1, msar1);
85 CONFIG_WRITE_WORD(EMSAR1, emsar1);
86 CONFIG_WRITE_WORD(MEAR1, mear1);
87 CONFIG_WRITE_WORD(EMEAR1, emear1);
88 CONFIG_WRITE_WORD(MSAR2, msar2);
89 CONFIG_WRITE_WORD(EMSAR2, emsar2);
90 CONFIG_WRITE_WORD(MEAR2, mear2);
91 CONFIG_WRITE_WORD(EMEAR2, emear2);
92 CONFIG_WRITE_BYTE(MBER, mber);
94 return (1 << (col + row + 3) ) * bank * m;
97 phys_size_t initdram(int board_type)
103 mtmsr(msr & ~(MSR_IR | MSR_DR));
104 mtspr(IBAT2L, CFG_IBAT0L + 0x10000000);
105 mtspr(IBAT2U, CFG_IBAT0U + 0x10000000);
106 mtspr(DBAT2L, CFG_DBAT0L + 0x10000000);
107 mtspr(DBAT2U, CFG_DBAT0U + 0x10000000);
110 if (setdram(2,13,10,4) == get_ram_size(CFG_SDRAM_BASE, 0x20000000))
111 size = 0x20000000; /* 512MB */
112 else if (setdram(1,13,10,4) == get_ram_size(CFG_SDRAM_BASE, 0x10000000))
113 size = 0x10000000; /* 256MB */
114 else if (setdram(2,13,9,4) == get_ram_size(CFG_SDRAM_BASE, 0x10000000))
115 size = 0x10000000; /* 256MB */
116 else if (setdram(1,13,9,4) == get_ram_size(CFG_SDRAM_BASE, 0x08000000))
117 size = 0x08000000; /* 128MB */
118 else if (setdram(2,12,9,4) == get_ram_size(CFG_SDRAM_BASE, 0x08000000))
119 size = 0x08000000; /* 128MB */
120 else if (setdram(1,12,9,4) == get_ram_size(CFG_SDRAM_BASE, 0x04000000))
121 size = 0x04000000; /* 64MB */
124 mtmsr(msr & ~(MSR_IR | MSR_DR));
125 mtspr(IBAT2L, CFG_IBAT2L);
126 mtspr(IBAT2U, CFG_IBAT2U);
127 mtspr(DBAT2L, CFG_DBAT2L);
128 mtspr(DBAT2U, CFG_DBAT2U);
134 struct pci_controller hose;
136 void pci_init_board(void)
138 pci_mpc824x_init(&hose);
141 int board_early_init_f(void)
143 *(volatile unsigned char *)(0xff080120) = 0xfb;
148 int board_early_init_r(void)
152 CONFIG_WRITE_WORD(ERCR1, 0x95ff8000);
153 CONFIG_WRITE_WORD(ERCR3, 0x0c00000e);
154 CONFIG_WRITE_WORD(ERCR4, 0x0800000e);
157 mtmsr(msr & ~(MSR_IR | MSR_DR));
158 mtspr(IBAT1L, 0x70000000 | BATL_PP_10 | BATL_CACHEINHIBIT);
159 mtspr(IBAT1U, 0x70000000 | BATU_BL_256M | BATU_VS | BATU_VP);
160 mtspr(DBAT1L, 0x70000000 | BATL_PP_10 | BATL_CACHEINHIBIT);
161 mtspr(DBAT1U, 0x70000000 | BATU_BL_256M | BATU_VS | BATU_VP);
167 extern int multiverse_init(void);
169 int misc_init_r(void)
175 void *nvram_read(void *dest, const long src, size_t count)
177 volatile uchar *d = (volatile uchar*) dest;
178 volatile uchar *s = (volatile uchar*) src;
181 asm volatile("sync");
186 void nvram_write(long dest, const void *src, size_t count)
188 volatile uchar *d = (volatile uchar*)dest;
189 volatile uchar *s = (volatile uchar*)src;
192 asm volatile("sync");
196 int board_eth_init(bd_t *bis)
198 return pci_eth_init(bis);