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#define EFCS_CMD_WRITE_PAGE 0x01
#define EFCS_CMD_SET_LOCK_BIT 0x02
#define EFCS_CMD_WRITE_PAGE_LOCK 0x03
#define EFCS_CMD_CLEAR_LOCK 0x04
#define EFCS_CMD_ERASE_ALL 0x08
#define EFCS_CMD_SET_NVM_BIT 0x0b
#define EFCS_CMD_CLEAR_NVM_BIT 0x0d
#define EFCS_CMD_SET_SECURITY_BIT 0x0f
int unlock_page(u_int16_t page)
{
AT91C_MC_FCMD_UNLOCK | AT91C_MC_CORRECT_KEY |
}
int flash_sector(unsigned int sector, const u_int8_t *data, unsigned int len)
{
volatile u_int32_t *p = (volatile u_int32_t *)0;
u_int32_t *src32 = (u_int32_t *)data;
int i;
/* hand-code memcpy because we need to make sure only 32bit accesses
* are used */
for (i = 0; i < len/4; i++)
p[i] = src32[i];
AT91F_MC_EFC_PerformCmd(pmc , AT91C_MC_FCMD_START_PROG|
AT91C_MC_CORRECT_KEY | );
}
void flash_init(void)
{
unsigned int fmcn = AT91F_MC_EFC_ComputerFMCN(48000000);
AT91F_MC_EFC_CfgModeReg(ff, fmcn << 16 | AT91C_MC_FWS_3FWS |
AT91C_MC_FRDY | AT91C_MC_LOCKE |
AT91C_MC_PROGE);
AT91F_AIC_EnableIt();
}
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