int flash_init(struct spi_flash_ctrl *ctrl, struct blocklevel_device **bl,
struct flash_chip **flash_chip)
{
struct flash_chip *c;
int rc;
if (!bl)
return FLASH_ERR_PARM_ERROR;
*bl = NULL;
c = malloc(sizeof(struct flash_chip));
if (!c)
return FLASH_ERR_MALLOC_FAILED;
memset(c, 0, sizeof(*c));
c->ctrl = ctrl;
rc = flash_identify(c);
if (rc) {
FL_ERR("LIBFLASH: Flash identification failed\n");
goto bail;
}
c->smart_buf = malloc(c->min_erase_mask + 1);
if (!c->smart_buf) {
FL_ERR("LIBFLASH: Failed to allocate smart buffer !\n");
rc = FLASH_ERR_MALLOC_FAILED;
goto bail;
}
rc = flash_configure(c);
if (rc)
FL_ERR("LIBFLASH: Flash configuration failed\n");
bail:
if (rc) {
free(c);
return rc;
}
/* The flash backend doesn't support reiniting it */
c->bl.keep_alive = true;
c->bl.reacquire = NULL;
c->bl.release = NULL;
c->bl.read = &flash_read;
c->bl.write = &flash_smart_write;
c->bl.erase = &flash_erase;
c->bl.get_info = &flash_get_info;
c->bl.erase_mask = c->min_erase_mask;
c->bl.flags = WRITE_NEED_ERASE;
*bl = &(c->bl);
if (flash_chip)
*flash_chip = c;
return 0;
}
unsigned long flash_init(void)
{
unsigned long addr;
unsigned int i;
flash_info[0].size = CFG_FLASH_SIZE;
flash_info[0].sector_count = 135;
flash_identify(uncached((void *)CFG_FLASH_BASE), &flash_info[0]);
for (i = 0, addr = 0; i < 8; i++, addr += 0x2000)
flash_info[0].start[i] = addr;
for (; i < flash_info[0].sector_count; i++, addr += 0x10000)
flash_info[0].start[i] = addr;
return CFG_FLASH_SIZE;
}
/*!
* \brief Kinetis Start
* \return None
*
* This function calls all of the needed starup routines and then
* branches to the main process.
*/
void start(void)
{
/* Disable the watchdog timer */
wdog_disable();
/* Copy any vector or data sections that need to be in RAM */
common_startup();
/* Perform processor initialization */
sysinit();
/* Determine the flash revision */
flash_identify();
/* Jump to main process */
main();
/* No actions to perform after this so wait forever */
while(1);
}
/*!
* \brief Kinetis Identify
* \return None
*
* This is primarly a reporting function that displays information
* about the specific CPU to the default terminal including:
* - Kinetis family
* - package
* - die revision
* - P-flash size
* - Ram size
*/
void cpu_identify (void)
{
/* Determine the Kinetis family */
switch((SIM_SDID & SIM_SDID_FAMID(0x7))>>SIM_SDID_FAMID_SHIFT)
{
case 0x0:
printf("\nK10-");
break;
case 0x1:
printf("\nK20-");
break;
case 0x2:
printf("\nK30-");
break;
case 0x3:
printf("\nK40-");
break;
case 0x4:
printf("\nK60-");
break;
case 0x5:
printf("\nK70-");
break;
case 0x6:
printf("\nK50-");
break;
case 0x7:
printf("\nK53-");
break;
default:
printf("\nUnrecognized Kinetis family device.\n");
break;
}
/* Determine the package size */
switch((SIM_SDID & SIM_SDID_PINID(0xF))>>SIM_SDID_PINID_SHIFT)
{
case 0x2:
printf("32pin \n");
break;
case 0x4:
printf("48pin \n");
break;
case 0x5:
printf("64pin \n");
break;
case 0x6:
printf("80pin \n");
break;
case 0x7:
printf("81pin \n");
break;
case 0x8:
printf("100pin \n");
break;
case 0x9:
printf("104pin \n");
break;
case 0xA:
printf("144pin \n");
break;
case 0xC:
printf("196pin \n");
break;
case 0xE:
printf("256pin \n");
break;
default:
printf("\nUnrecognized Kinetis package code. \n");
break;
}
/* Determine the revision ID */
switch((SIM_SDID & SIM_SDID_REVID(0xF))>>SIM_SDID_REVID_SHIFT)
{
case 0x0:
printf("Silicon rev 1.0 \n ");
break;
case 0x1:
printf("Silicon rev 1.1 \n ");
break;
case 0x2:
printf("Silicon rev 1.2 \n ");
break;
default:
printf("\nThis version of software doesn't recognize the revision code.");
break;
}
/* Determine the flash revision */
flash_identify();
/* Determine the P-flash size */
switch((SIM_FCFG1 & SIM_FCFG1_PFSIZE(0xF))>>SIM_FCFG1_PFSIZE_SHIFT)
{
case 0x7:
printf("128 kBytes of P-flash \n");
break;
case 0x9:
printf("256 kBytes of P-flash \n");
break;
case 0xB:
printf("512 kBytes of P-flash \n");
break;
case 0xF:
printf("512 kBytes of P-flash \n");
break;
default:
printf("ERR!! Undefined P-flash size\n");
break;
}
/* Determine if the part has P-flash only or P-flash and FlexNVM */
if (SIM_FCFG2 & SIM_FCFG2_PFLSH_MASK)
printf("P-flash only\n");
else
/* if part has FlexNVM determine the FlexNVM size*/
switch((SIM_FCFG1 & SIM_FCFG1_NVMSIZE(0xF))>>SIM_FCFG1_NVMSIZE_SHIFT)
{
case 0x0:
printf("0 kBytes of FlexNVM\n");
break;
case 0x7:
printf("128 kBytes of FlexNVM\n");
break;
case 0x9:
printf("256 kBytes of FlexNVM\n");
break;
case 0xF:
printf("256 kBytes of FlexNVM\n");
break;
default:
printf("ERR!! Undefined FlexNVM size\n");
break;
}
/* Determine the RAM size */
switch((SIM_SOPT1 & SIM_SOPT1_RAMSIZE(0xF))>>SIM_SOPT1_RAMSIZE_SHIFT)
{
case 0x5:
printf("32 kBytes of RAM\n\n");
break;
case 0x7:
printf("64 kBytes of RAM\n\n");
break;
case 0x8:
printf("96 kBytes of RAM\n\n");
break;
case 0x9:
printf("128 kBytes of RAM\n\n");
break;
default:
printf("ERR!! Undefined RAM size\n\n");
break;
}
}
/*!
* \brief Kinetis Identify
* \return None
*
* This is primarly a reporting function that displays information
* about the specific CPU to the default terminal including:
* - Kinetis family
* - package
* - die revision
* - P-flash size
* - Ram size
*/
void cpu_identify (void)
{
/* Determine the Kinetis family */
switch((SIM_SDID & SIM_SDID_FAMID(0x7))>>SIM_SDID_FAMID_SHIFT)
{
case 0x0:
printf("\nK10-");
break;
case 0x1:
//printf("\nK20-");
break;
case 0x2:
printf("\nK30-");
break;
case 0x3:
printf("\nK40-");
break;
case 0x4:
printf("\nK60-");
break;
case 0x5:
printf("\nK70-");
break;
case 0x6:
printf("\nK50 and K52-");
break;
case 0x7:
printf("\nK51 and K53-");
break;
default:
printf("\nUnrecognized Kinetis family device.\n");
break;
}
/* Determine the package size */
switch((SIM_SDID & SIM_SDID_PINID(0xF))>>SIM_SDID_PINID_SHIFT)
{
break;
case 0x6:
//printf("80pin ");
break;
case 0x7:
printf("81pin ");
break;
case 0x8:
printf("100pin ");
break;
case 0x9:
printf("121pin ");
break;
case 0xA:
printf("144pin ");
break;
default:
printf("\nUnrecognized Kinetis package code. ");
break;
}
/* Determine the revision ID */
switch((SIM_SDID & SIM_SDID_REVID(0xF))>>SIM_SDID_REVID_SHIFT)
{
case 0x0:
printf("Silicon rev 1.0 \n ");
break;
default:
//printf("\nThis version of software doesn't recognize the revision code.");
break;
}
/* Determine the flash revision */
flash_identify();
/* Determine the P-flash size */
switch((SIM_FCFG1 & SIM_FCFG1_PFSIZE(0xF))>>SIM_FCFG1_PFSIZE_SHIFT)
{
case 0x7:
printf("128 kBytes of P-flash ");
break;
case 0x9:
//printf("256 kBytes of P-flash ");
break;
case 0xB:
printf("512 kBytes of P-flash ");
break;
case 0xF:
printf("512 kBytes of P-flash ");
break;
default:
printf("ERR!! Undefined P-flash size\n");
break;
}
/* Determine the RAM size */
switch((SIM_SOPT1 & SIM_SOPT1_RAMSIZE(0xF))>>SIM_SOPT1_RAMSIZE_SHIFT)
{
case 0x5:
printf(" 32 kBytes of RAM\n\n");
break;
case 0x7:
printf(" 64 kBytes of RAM\n\n");
break;
case 0x8:
printf(" 96 kBytes of RAM\n\n");
break;
case 0x9:
//printf(" 128 kBytes of RAM\n\n");
break;
default:
printf(" ERR!! Undefined RAM size\n\n");
break;
}
}
/*!
* \brief Kinetis Identify
* \return None
*
* This is primarly a reporting function that displays information
* about the specific CPU to the default terminal including:
* - Kinetis family
* - package
* - die revision
* - P-flash size
* - Ram size
*/
void cpu_identify (void)
{
/* Determine the Kinetis family */
switch((SIM_SDID & SIM_SDID_FAMID(0x7))>>SIM_SDID_FAMID_SHIFT)
{
case 0x0:
printf("\nK10-");
break;
case 0x1:
printf("\nK20-");
break;
case 0x2:
printf("\nK30-");
break;
case 0x3:
printf("\nK40-");
break;
case 0x4:
printf("\nK60-");
break;
case 0x5:
printf("\nK70-");
break;
case 0x6:
printf("\nK50-");
break;
case 0x7:
printf("\nK53-");
break;
default:
printf("\nUnrecognized Kinetis family device.\n");
break;
}
/* Determine the package size */
switch((SIM_SDID & SIM_SDID_PINID(0xF))>>SIM_SDID_PINID_SHIFT)
{
case 0x2:
printf("32pin ");
break;
case 0x4:
printf("48pin ");
break;
case 0x5:
printf("64pin ");
break;
case 0x6:
printf("80pin ");
break;
case 0x7:
printf("81pin ");
break;
case 0x8:
printf("100pin ");
break;
case 0x9:
printf("104pin ");
break;
case 0xA:
printf("144pin ");
break;
case 0xC:
printf("196pin ");
break;
case 0xE:
printf("256pin ");
break;
default:
printf("\nUnrecognized Kinetis package code. ");
break;
}
/* Determine the revision ID */
printf("Silicon rev %d \n", (SIM_SDID & SIM_SDID_REVID(0xF))>>SIM_SDID_REVID_SHIFT);
/* Determine the flash revision */
flash_identify();
/* Determine the P-flash size */
switch((SIM_FCFG1 & SIM_FCFG1_FSIZE(0xFF))>>SIM_FCFG1_FSIZE_SHIFT)
{
case 0x0:
printf("12 kBytes of P-flash ");
break;
case 0x1:
printf("16 kBytes of P-flash ");
break;
case 0x2:
printf("32 kBytes of P-flash ");
break;
case 0x3:
printf("48 kBytes of P-flash ");
break;
case 0x4:
printf("64 kBytes of P-flash ");
break;
case 0x5:
printf("96 kBytes of P-flash ");
break;
case 0x6:
printf("128 kBytes of P-flash ");
break;
case 0x7:
printf("192 kBytes of P-flash ");
break;
case 0x8:
printf("256 kBytes of P-flash ");
break;
case 0x9:
printf("320 kBytes of P-flash ");
break;
case 0xA:
printf("384 kBytes of P-flash ");
break;
case 0xB:
printf("448 kBytes of P-flash ");
break;
case 0xC:
printf("512 kBytes of P-flash ");
break;
case 0xFF:
printf("Full size P-flash ");
break;
default:
printf("ERR!! Undefined P-flash size\n");
break;
}
/* Determine the RAM size */
switch((SIM_SOPT1 & SIM_SOPT1_RAMSIZE(0xF))>>SIM_SOPT1_RAMSIZE_SHIFT)
{
case 0x5:
printf(" 32 kBytes of RAM\n\n");
break;
case 0x7:
printf(" 64 kBytes of RAM\n\n");
break;
case 0x8:
printf(" 96 kBytes of RAM\n\n");
break;
case 0x9:
printf(" 128 kBytes of RAM\n\n");
break;
default:
printf(" ERR!! Undefined RAM size\n\n");
break;
}
}
