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author | wdenk <wdenk> | 2004-02-24 00:16:43 +0000 |
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committer | wdenk <wdenk> | 2004-02-24 00:16:43 +0000 |
commit | 074cff0d2863bab21b065cf283eccd728f4fecaa (patch) | |
tree | 9ab218f6e0fc44cc450d32c1d0978f98449e220d /board/dave/B2/flash.c | |
parent | 028ab6b598b628326116acd88e0f35aa9f526d12 (diff) | |
download | u-boot-imx-074cff0d2863bab21b065cf283eccd728f4fecaa.zip u-boot-imx-074cff0d2863bab21b065cf283eccd728f4fecaa.tar.gz u-boot-imx-074cff0d2863bab21b065cf283eccd728f4fecaa.tar.bz2 |
* Patch by Andrea Scian, 17 Feb 2004:
Add support for S3C44B0 processor and DAVE B2 board
* Patch by Steven Scholz, 20 Feb 2004:
- Add support for MII commands on AT91RM9200 boards
- some cleanup in AT91RM9200 ethernet code
Diffstat (limited to 'board/dave/B2/flash.c')
-rw-r--r-- | board/dave/B2/flash.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/board/dave/B2/flash.c b/board/dave/B2/flash.c new file mode 100644 index 0000000..50aa6aa --- /dev/null +++ b/board/dave/B2/flash.c @@ -0,0 +1,79 @@ +/* + * (C) Copyright 2001 + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com + * + * 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/hardware.h> + +/* + * include common flash code (for esd boards) + */ +#include "../common/flash.c" + +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size (vu_long * addr, flash_info_t * info); +static void flash_get_offsets (ulong base, flash_info_t * info); + +/*----------------------------------------------------------------------- + */ + +unsigned long flash_init (void) +{ +#ifdef __DEBUG_START_FROM_SRAM__ + return CFG_DUMMY_FLASH_SIZE; +#else + unsigned long size_b0; + int i; + uint pbcr; + unsigned long base_b0; + int size_val = 0; + + /* Init: no FLASHes known */ + for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) { + flash_info[i].flash_id = FLASH_UNKNOWN; + } + + /* Static FLASH Bank configuration here - FIXME XXX */ + + size_b0 = flash_get_size((vu_long *)CFG_FLASH_BASE, &flash_info[0]); + + if (flash_info[0].flash_id == FLASH_UNKNOWN) { + printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", + size_b0, size_b0<<20); + } + + /* Setup offsets */ + flash_get_offsets (0, &flash_info[0]); + + /* Monitor protection ON by default */ + (void)flash_protect(FLAG_PROTECT_SET, + -CFG_MONITOR_LEN, + 0xffffffff, + &flash_info[0]); + + flash_info[0].size = size_b0; + + return (size_b0); +#endif +} |