2 * (C) Copyright 2004, Freescale Inc.
3 * TsiChung Liew, Tsi-Chung.Liew@freescale.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,
26 #include <asm/processor.h>
29 void setupBat (ulong size)
35 #if defined (CONFIG_SYS_AMD_BOOT)
36 batu = CONFIG_SYS_FLASH0_BASE | BATU_BL_512K | BPP_RW | BPP_RX;
38 batu = CONFIG_SYS_FLASH0_BASE | BATU_BL_16M | BPP_RW | BPP_RX;
40 batl = CONFIG_SYS_FLASH0_BASE | 0x22;
41 write_bat (IBAT0, batu, batl);
42 write_bat (DBAT0, batu, batl);
45 #if defined (CONFIG_SYS_AMD_BOOT)
46 batu = CONFIG_SYS_FLASH1_BASE | BATU_BL_16M | BPP_RW | BPP_RX;
48 batu = CONFIG_SYS_FLASH1_BASE | BATU_BL_512K | BPP_RW | BPP_RX;
50 batl = CONFIG_SYS_FLASH1_BASE | 0x22;
51 write_bat (IBAT1, batu, batl);
52 write_bat (DBAT1, batu, batl);
55 batu = CONFIG_SYS_CPLD_BASE | BATU_BL_512K | BPP_RW | BPP_RX;
56 batl = CONFIG_SYS_CPLD_BASE | 0x22;
57 write_bat (IBAT2, 0, 0);
58 write_bat (DBAT2, batu, batl);
61 batu = CONFIG_SYS_FPGA_BASE | BATU_BL_512K | BPP_RW | BPP_RX;
62 batl = CONFIG_SYS_FPGA_BASE | 0x22;
63 write_bat (IBAT3, 0, 0);
64 write_bat (DBAT3, batu, batl);
66 /* MBAR - Data only */
67 batu = CONFIG_SYS_MBAR | BPP_RW | BPP_RX;
68 batl = CONFIG_SYS_MBAR | 0x22;
75 batu = CONFIG_SYS_SRAM_BASE | BPP_RW | BPP_RX;
76 batl = CONFIG_SYS_SRAM_BASE | 0x42;
82 if (size <= 0x800000) /* 8MB */
83 blocksize = BATU_BL_8M;
84 else if (size <= 0x1000000) /* 16MB */
85 blocksize = BATU_BL_16M;
86 else if (size <= 0x2000000) /* 32MB */
87 blocksize = BATU_BL_32M;
88 else if (size <= 0x4000000) /* 64MB */
89 blocksize = BATU_BL_64M;
90 else if (size <= 0x8000000) /* 128MB */
91 blocksize = BATU_BL_128M;
92 else if (size <= 0x10000000) /* 256MB */
93 blocksize = BATU_BL_256M;
96 batu = CONFIG_SYS_SDRAM_BASE | blocksize | BPP_RW | BPP_RX;
97 batl = CONFIG_SYS_SDRAM_BASE | 0x42;
100 mtspr (DBAT6L, batl);
101 mtspr (DBAT6U, batu);
103 /* memory size is less than 256MB */
104 if (size <= 0x10000000) {
110 if (size <= 0x800000) /* 8MB */
111 blocksize = BATU_BL_8M;
112 else if (size <= 0x1000000) /* 16MB */
113 blocksize = BATU_BL_16M;
114 else if (size <= 0x2000000) /* 32MB */
115 blocksize = BATU_BL_32M;
116 else if (size <= 0x4000000) /* 64MB */
117 blocksize = BATU_BL_64M;
118 else if (size <= 0x8000000) /* 128MB */
119 blocksize = BATU_BL_128M;
120 else if (size <= 0x10000000) /* 256MB */
121 blocksize = BATU_BL_256M;
123 batu = (CONFIG_SYS_SDRAM_BASE +
124 0x10000000) | blocksize | BPP_RW | BPP_RX;
125 batl = (CONFIG_SYS_SDRAM_BASE + 0x10000000) | 0x42;
128 mtspr (IBAT7L, batl);
129 mtspr (IBAT7U, batu);
130 mtspr (DBAT7L, batl);
131 mtspr (DBAT7U, batu);
134 phys_size_t initdram (int board_type)
140 /* if iCache ad dCache is defined */
141 #if defined(CONFIG_CMD_CACHE)
148 int checkboard (void)
150 puts ("Board: Alaska MPC8220 Evaluation Board\n");