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- improved erase/program failure detection

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- added block_lock/unlock functions
- locked blocks are unlocked automatically during erase
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@461 cc03376c-175c-47c8-b038-4cd826a8556b
This commit is contained in:
jens
2009-05-02 16:18:20 +00:00
parent 66984e5b25
commit a2a17fd24a
2 changed files with 169 additions and 32 deletions
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lib/CPUs/MIPS/bsp/examples/cfiflash.h
+18 -7
View File
@@ -4,13 +4,20 @@
#include "libsys.h"
#define SR_BIT_DPS 0x00020002
#define SR_BIT_PSS 0x00040004
#define SR_BIT_VPENS 0x00080008
#define SR_BIT_PSLBS 0x00100010
#define SR_BIT_ECLBS 0x00200020
#define SR_BIT_ESS 0x00400040
#define SR_BIT_ISMS 0x00800080
#define SR_BIT_DPS 0x00020002
#define SR_BIT_PSS 0x00040004
#define SR_BIT_VPENS 0x00080008
#define SR_BIT_PSLBS 0x00100010
#define SR_BIT_ECLBS 0x00200020
#define SR_BIT_ESS 0x00400040
#define SR_BIT_ISMS 0x00800080
#define CFI_ERR_BASE (LSYS_ERR_BASE + 0x00100000)
#define CFI_ERR_GENERAL (CFI_ERR_BASE + 0)
#define CFI_ERR_NOTFOUND (CFI_ERR_BASE + 1)
#define CFI_ERR_INVPARAM (CFI_ERR_BASE + 2)
#define CFI_ERR_VFY_FAIL (CFI_ERR_BASE + 3)
#define CFI_ERR_DEV_FAIL (CFI_ERR_BASE + 0x10000000)
typedef struct _sflash_info_t
{
@@ -33,12 +40,16 @@ typedef struct _sflash_t
void cfi_init(flash_t *pObj, UINT32 base_addr);
UINT32 cfi_find(flash_t *pObj);
UINT32 cfi_block_is_locked(flash_t *pObj, UINT32 word_index);
UINT32 cfi_block_erase(flash_t *pObj, UINT32 word_index);
UINT32 cfi_block_lock(flash_t *pObj, UINT32 word_index);
UINT32 cfi_block_unlock(flash_t *pObj, UINT32 word_index);
UINT32 cfi_program_single(flash_t *pObj, UINT32 word_index, UINT32 word);
UINT32 cfi_program_multi(flash_t *pObj, UINT32 word_index, UINT32 *pWords, UINT32 num_words);
UINT32 flash_aligned_addr_by_offset(flash_t *pObj, UINT32 offset);
UINT32 flash_aligned_addr_by_blocknum(flash_t *pObj, UINT32 blocknum);
UINT32 flash_get_blocknum_by_offset(flash_t *pObj, UINT32 offset);
UINT32 flash_find(flash_t *pObj, UINT32 base_addr);
UINT32 flash_erase(flash_t *pObj, UINT32 offset, UINT32 size);
UINT32 flash_program(flash_t *pObj, UINT32 offset, UINT8 *pData, UINT32 size);