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| author | wdenk <wdenk> | 2004-02-09 20:51:26 +0000 |
|---|---|---|
| committer | wdenk <wdenk> | 2004-02-09 20:51:26 +0000 |
| commit | b98fff1d6acc57cc54f01740028535ac095237cd (patch) | |
| tree | 4d9f375a71582a8938e034dcf9082b8f71761b72 /board/omap1610inn/flash.c | |
| parent | 5653fc335a450fa46d89989e1afe5e8bb9a0a52e (diff) | |
| download | u-boot-imx-b98fff1d6acc57cc54f01740028535ac095237cd.zip u-boot-imx-b98fff1d6acc57cc54f01740028535ac095237cd.tar.gz u-boot-imx-b98fff1d6acc57cc54f01740028535ac095237cd.tar.bz2 | |
* Patch by Rahul Shanbhag, 28 Jan 2004:
Fix flash protection/locking handling for OMAP1610 innovator board.
* Patch by Rolf Peukert, 28 Jan 2004:
fix flash write problems on CSB226 board (write with 32 bit bus width)
* Patches by Mark Jonas, 16 Jan 2004:
- fix rounding error when calculating baudrates for MPC5200 PSCs
- make sure CFG_RAMBOOT and CFG_LOWBOOT are not enabled at the same
time which is not supported
Diffstat (limited to 'board/omap1610inn/flash.c')
| -rw-r--r-- | board/omap1610inn/flash.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/board/omap1610inn/flash.c b/board/omap1610inn/flash.c index e7d6515..ae7fb3b 100644 --- a/board/omap1610inn/flash.c +++ b/board/omap1610inn/flash.c @@ -93,6 +93,8 @@ unsigned long flash_init (void) case 0: flash_get_size ((FPW *) PHYS_FLASH_1, &flash_info[i]); flash_get_offsets (PHYS_FLASH_1, &flash_info[i]); + /* to reset the lock bit */ + flash_unlock(&flash_info[i]); break; default: panic ("configured too many flash banks!\n"); @@ -116,6 +118,19 @@ unsigned long flash_init (void) /*----------------------------------------------------------------------- */ +flash_unlock(flash_info_t * info) +{ + int j; + for (j=2;j<CFG_MAX_FLASH_SECT;j++){ + FPWV *addr = (FPWV *) (info->start[j]); + flash_unprotect_sectors (addr); + *addr = (FPW) 0x00500050;/* clear status register */ + *addr = (FPW) 0x00FF00FF;/* resest to read mode */ + } +} + +/*----------------------------------------------------------------------- + */ static void flash_get_offsets (ulong base, flash_info_t * info) { int i; @@ -447,7 +462,6 @@ static int write_data (flash_info_t * info, ulong dest, FPW data) printf ("not erased at %08lx (%x)\n", (ulong) addr, *addr); return (2); } - flash_unprotect_sectors (addr); /* Disable interrupts which might cause a timeout here */ flag = disable_interrupts (); *addr = (FPW) 0x00400040; /* write setup */ |