diff options
Diffstat (limited to 'board/mpl/common')
| -rw-r--r-- | board/mpl/common/flash.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/board/mpl/common/flash.c b/board/mpl/common/flash.c index 99f97d7..98cfb0d 100644 --- a/board/mpl/common/flash.c +++ b/board/mpl/common/flash.c @@ -155,7 +155,7 @@ void setup_cs_reloc(void) unsigned long flash_init (void) { - unsigned long size_b0, size_b1,flashcr; + unsigned long size_b0, size_b1,flashcr, size_reg; int mode, i; extern char version_string; char *p=&version_string; @@ -196,6 +196,21 @@ unsigned long flash_init (void) size_b1 = 0 ; flash_info[0].size = size_b0; /* set up flash cs according to the size */ + size_reg=(flash_info[0].size >>20); + switch (size_reg) { + case 0: + case 1: i=0; break; /* <= 1MB */ + case 2: i=1; break; /* = 2MB */ + case 4: i=2; break; /* = 4MB */ + case 8: i=3; break; /* = 8MB */ + case 16: i=4; break; /* = 16MB */ + case 32: i=5; break; /* = 32MB */ + case 64: i=6; break; /* = 64MB */ + case 128: i=7; break; /*= 128MB */ + default: + printf("\n #### ERROR, wrong size %ld MByte reset board #####\n",size_reg); + while(1); + } if(mode & BOOT_MPS) { /* flash is on CS1 */ mtdcr(ebccfga, pb1cr); @@ -203,7 +218,7 @@ unsigned long flash_init (void) /* we map the flash high in every case */ flashcr&=0x0001FFFF; /* mask out address bits */ flashcr|= ((0-flash_info[0].size) & 0xFFF00000); /* start addr */ - flashcr|= (((flash_info[0].size >>21) & 0x07) << 17); /* size addr */ + flashcr|= (i << 17); /* size addr */ mtdcr(ebccfga, pb1cr); mtdcr(ebccfgd, flashcr); } @@ -214,7 +229,7 @@ unsigned long flash_init (void) /* we map the flash high in every case */ flashcr&=0x0001FFFF; /* mask out address bits */ flashcr|= ((0-flash_info[0].size) & 0xFFF00000); /* start addr */ - flashcr|= (((flash_info[0].size >>21) & 0x07) << 17); /* size addr */ + flashcr|= (i << 17); /* size addr */ mtdcr(ebccfga, pb0cr); mtdcr(ebccfgd, flashcr); } |