diff options
Diffstat (limited to 'board/alaska/flash.c')
| -rw-r--r-- | board/alaska/flash.c | 37 |
1 files changed, 23 insertions, 14 deletions
diff --git a/board/alaska/flash.c b/board/alaska/flash.c index aed3b6f..977822a 100644 --- a/board/alaska/flash.c +++ b/board/alaska/flash.c @@ -406,7 +406,7 @@ static unsigned char same_chip_banks (int bank1, int bank2) int flash_erase (flash_info_t * info, int s_first, int s_last) { int flag, prot, sect; - ulong type, start, last; + ulong type, start; int rcode = 0, intel = 0; if ((s_first < 0) || (s_first > s_last)) { @@ -444,7 +444,6 @@ int flash_erase (flash_info_t * info, int s_first, int s_last) } start = get_timer (0); - last = start; /* Disable interrupts which might cause a timeout here */ flag = disable_interrupts (); @@ -501,6 +500,9 @@ int flash_erase (flash_info_t * info, int s_first, int s_last) printf (" done\n"); } } + if (flag) + enable_interrupts(); + return rcode; } @@ -666,7 +668,7 @@ static int write_data (flash_info_t * info, ulong dest, FPW data) { FPWV *addr = (FPWV *) dest; ulong start; - int flag; + int flag, rc = 0; /* Check if Flash is (sufficiently) erased */ if ((*addr & data) != data) { @@ -685,14 +687,18 @@ static int write_data (flash_info_t * info, ulong dest, FPW data) /* wait while polling the status register */ while ((*addr & (FPW) 0x00800080) != (FPW) 0x00800080) { if (get_timer (start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - *addr = (FPW) 0x00FF00FF; /* restore read mode */ - return (1); + rc = 1; + goto OUT; } } - *addr = (FPW) 0x00FF00FF; /* restore read mode */ +OUT: + *addr = (FPW)0x00FF00FF; /* restore read mode */ - return (0); + if (flag) + enable_interrupts(); + + return rc; } /*----------------------------------------------------------------------- @@ -706,7 +712,7 @@ static int write_data_block (flash_info_t * info, ulong src, ulong dest) FPWV *srcaddr = (FPWV *) src; FPWV *dstaddr = (FPWV *) dest; ulong start; - int flag, i; + int flag, i, rc = 0; /* Check if Flash is (sufficiently) erased */ for (i = 0; i < WR_BLOCK; i++) @@ -727,10 +733,10 @@ static int write_data_block (flash_info_t * info, ulong src, ulong dest) start = get_timer (0); /* wait while polling the status register */ - while ((*dstaddr & (FPW) 0x00800080) != (FPW) 0x00800080) { - if (get_timer (start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - *dstaddr = (FPW) 0x00FF00FF; /* restore read mode */ - return (1); + while ((*dstaddr & (FPW)0x00800080) != (FPW)0x00800080) { + if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { + rc = 1; + goto OUT; } } @@ -752,9 +758,12 @@ static int write_data_block (flash_info_t * info, ulong src, ulong dest) } } - *dstaddr = (FPW) 0x00FF00FF; /* restore read mode */ +OUT: + *dstaddr = (FPW)0x00FF00FF; /* restore read mode */ + if (flag) + enable_interrupts(); - return (0); + return rc; } /*----------------------------------------------------------------------- |