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author | Wolfgang Denk <wd@castor.denx.de> | 2006-05-30 13:56:48 (GMT) |
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committer | Wolfgang Denk <wd@castor.denx.de> | 2006-05-30 13:56:48 (GMT) |
commit | ba94a1bba3600d387edba7eb451990d9891e1c2f (patch) | |
tree | e84f737ac88e15342b4cab23c9e631987e8ee75e /board/prodrive/pdnb3/flash.c | |
parent | 5770a1e488621a9e7e344afed7c921ff4e715a63 (diff) | |
download | u-boot-ba94a1bba3600d387edba7eb451990d9891e1c2f.tar.xz |
* Update Intel IXP4xx support
- Add IXP4xx NPE ethernet MAC support
- Add support for Intel IXDPG425 board
- Add support for Prodrive PDNB3 board
- Add IRQ support
Patch by Stefan Roese, 23 May 2006
[This patch does not include cpu/ixp/npe/IxNpeMicrocode.c which still
sufferes from licensing issues. Blame Intel.]
Diffstat (limited to 'board/prodrive/pdnb3/flash.c')
-rw-r--r-- | board/prodrive/pdnb3/flash.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/board/prodrive/pdnb3/flash.c b/board/prodrive/pdnb3/flash.c new file mode 100644 index 0000000..d0e5fe7 --- /dev/null +++ b/board/prodrive/pdnb3/flash.c @@ -0,0 +1,85 @@ +/* + * (C) Copyright 2006 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/arch/ixp425.h> + +/* + * include common flash code (for esd boards) + */ +#include "../common/flash.c" + +/* + * Prototypes + */ +static ulong flash_get_size (vu_long * addr, flash_info_t * info); + +static inline ulong ld(ulong x) +{ + ulong k = 0; + + while (x >>= 1) + ++k; + + return k; +} + +unsigned long flash_init(void) +{ + unsigned long size; + int i; + + /* Init: no FLASHes known */ + for (i=0; i<CFG_MAX_FLASH_BANKS; i++) + flash_info[i].flash_id = FLASH_UNKNOWN; + + size = flash_get_size((vu_long *)FLASH_BASE0_PRELIM, &flash_info[0]); + + if (flash_info[0].flash_id == FLASH_UNKNOWN) + printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", + size, size<<20); + + /* Reconfigure CS0 to actual FLASH size */ + *IXP425_EXP_CS0 = (*IXP425_EXP_CS0 & ~0x00003C00) | ((ld(size) - 9) << 10); + + /* Monitor protection ON by default */ + flash_protect(FLAG_PROTECT_SET, + CFG_MONITOR_BASE, CFG_MONITOR_BASE + monitor_flash_len - 1, + &flash_info[CFG_MAX_FLASH_BANKS - 1]); + + /* Environment protection ON by default */ + flash_protect(FLAG_PROTECT_SET, + CFG_ENV_ADDR, + CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1, + &flash_info[CFG_MAX_FLASH_BANKS - 1]); + + /* Redundant environment protection ON by default */ + flash_protect(FLAG_PROTECT_SET, + CFG_ENV_ADDR_REDUND, + CFG_ENV_ADDR_REDUND + CFG_ENV_SIZE_REDUND - 1, + &flash_info[CFG_MAX_FLASH_BANKS - 1]); + + flash_info[0].size = size; + + return size; +} |