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git.ipfire.org Git - people/ms/u-boot.git/blob - board/bf537-stamp/bf537-stamp.c
2 * U-boot - main board file
4 * Copyright (c) 2005-2008 Analog Devices Inc.
6 * (C) Copyright 2000-2004
7 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
9 * See file CREDITS for list of people who contributed to this
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of
15 * the License, or (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
31 #include <asm/blackfin.h>
34 #include <asm/mach-common/bits/bootrom.h>
37 DECLARE_GLOBAL_DATA_PTR
;
41 printf("Board: ADI BF537 stamp board\n");
42 printf(" Support: http://blackfin.uclinux.org/\n");
46 #if defined(CONFIG_BFIN_IDE)
48 void cf_outb(unsigned char val
, volatile unsigned char *addr
)
54 unsigned char cf_inb(volatile unsigned char *addr
)
56 volatile unsigned char c
;
64 void cf_insw(unsigned short *sect_buf
, unsigned short *addr
, int words
)
68 for (i
= 0; i
< words
; i
++)
69 *(sect_buf
+ i
) = *(addr
);
73 void cf_outsw(unsigned short *addr
, unsigned short *sect_buf
, int words
)
77 for (i
= 0; i
< words
; i
++)
78 *(addr
) = *(sect_buf
+ i
);
81 #endif /* CONFIG_BFIN_IDE */
83 phys_size_t
initdram(int board_type
)
85 gd
->bd
->bi_memstart
= CONFIG_SYS_SDRAM_BASE
;
86 gd
->bd
->bi_memsize
= CONFIG_SYS_MAX_RAM_SIZE
;
87 return gd
->bd
->bi_memsize
;
90 void board_reset(void)
92 /* workaround for weak pull ups on ssel */
93 if (CONFIG_BFIN_BOOT_MODE
== BFIN_BOOT_SPI_MASTER
) {
94 bfin_write_PORTF_FER(bfin_read_PORTF_FER() & ~PF10
);
95 bfin_write_PORTFIO_SET(PF10
);
100 #ifdef CONFIG_BFIN_MAC
101 static void board_init_enetaddr(uchar
*mac_addr
)
103 #ifdef CONFIG_SYS_NO_FLASH
104 # define USE_MAC_IN_FLASH 0
106 # define USE_MAC_IN_FLASH 1
108 bool valid_mac
= false;
110 if (USE_MAC_IN_FLASH
) {
111 /* we cram the MAC in the last flash sector */
112 uchar
*board_mac_addr
= (uchar
*)0x203F0000;
113 if (is_valid_ether_addr(board_mac_addr
)) {
114 memcpy(mac_addr
, board_mac_addr
, 6);
120 puts("Warning: Generating 'random' MAC address\n");
121 bfin_gen_rand_mac(mac_addr
);
124 eth_setenv_enetaddr("ethaddr", mac_addr
);
127 int board_eth_init(bd_t
*bis
)
129 return bfin_EMAC_initialize(bis
);
133 #if defined(CONFIG_MISC_INIT_R)
134 /* miscellaneous platform dependent initialisations */
135 int misc_init_r(void)
137 #ifdef CONFIG_BFIN_MAC
139 if (!eth_getenv_enetaddr("ethaddr", enetaddr
))
140 board_init_enetaddr(enetaddr
);
143 #ifndef CONFIG_SYS_NO_FLASH
144 /* we use the last sector for the MAC address / POST LDR */
145 extern flash_info_t flash_info
[];
146 flash_protect(FLAG_PROTECT_SET
, 0x203F0000, 0x203FFFFF, &flash_info
[0]);
149 #if defined(CONFIG_BFIN_IDE)
150 #if defined(CONFIG_BFIN_TRUE_IDE)
151 /* Enable ATASEL when in True IDE mode */
152 printf("Using CF True IDE Mode\n");
153 cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_ENA
);
155 #elif defined(CONFIG_BFIN_CF_IDE)
156 /* Disable ATASEL when we're in Common Memory Mode */
157 printf("Using CF Common Memory Mode\n");
158 cf_outb(0, (unsigned char *)CONFIG_CF_ATASEL_DIS
);
160 #elif defined(CONFIG_BFIN_HDD_IDE)
161 printf("Using HDD IDE Mode\n");
164 #endif /* CONFIG_BFIN_IDE */
167 #endif /* CONFIG_MISC_INIT_R */