static int
flash_access_setup_bmc(bool use_lpc, bool need_write)
{
int rc;
printf("Setting up BMC flash\n");
/* Open and map devices */
open_devs(use_lpc, true);
/* Create the AST flash controller */
rc = ast_sf_open(AST_SF_TYPE_BMC, &fl_ctrl);
if(rc) {
fprintf(stderr, "Failed to open controller\n");
return FLASH_SETUP_ERROR;
}
/* Open flash chip */
rc = flash_init(fl_ctrl, &fl_chip);
if(rc) {
fprintf(stderr, "Failed to open flash chip\n");
return FLASH_SETUP_ERROR;
}
/* Setup cleanup function */
atexit(flash_access_cleanup_bmc);
return FLASH_OK;
}
int pnor_init(void)
{
struct spi_flash_ctrl *pnor_ctrl;
struct blocklevel_device *bl = NULL;
int rc;
/* Open controller and flash. If the LPC->AHB doesn't point to
* the PNOR flash base we assume we're booting from BMC system
* memory (or some other place setup by the BMC to support LPC
* FW reads & writes). */
if (ast_is_ahb_lpc_pnor())
rc = ast_sf_open(AST_SF_TYPE_PNOR, &pnor_ctrl);
else {
printf("PLAT: Memboot detected\n");
rc = ast_sf_open(AST_SF_TYPE_MEM, &pnor_ctrl);
}
if (rc) {
prerror("PLAT: Failed to open PNOR flash controller\n");
goto fail;
}
rc = flash_init(pnor_ctrl, &bl, NULL);
if (rc) {
prerror("PLAT: Failed to open init PNOR driver\n");
goto fail;
}
rc = flash_register(bl);
if (!rc)
return 0;
fail:
if (bl)
flash_exit(bl);
if (pnor_ctrl)
ast_sf_close(pnor_ctrl);
return rc;
}
static int
flash_access_setup_pnor(bool use_lpc, bool use_sfc, bool need_write)
{
int rc;
printf("Setting up BIOS flash\n");
/* Open and map devices */
open_devs(use_lpc, false);
#ifdef __powerpc__
if(use_sfc) {
/* Create the SFC flash controller */
rc = sfc_open(&fl_ctrl);
if(rc) {
fprintf(stderr, "Failed to open controller\n");
return FLASH_SETUP_ERROR;
}
using_sfc = true;
} else {
#endif
/* Create the AST flash controller */
rc = ast_sf_open(AST_SF_TYPE_PNOR, &fl_ctrl);
if(rc) {
fprintf(stderr, "Failed to open controller\n");
return FLASH_SETUP_ERROR;
}
#ifdef __powerpc__
}
#endif
/* Open flash chip */
rc = flash_init(fl_ctrl, &fl_chip);
if(rc) {
fprintf(stderr, "Failed to open flash chip\n");
return FLASH_SETUP_ERROR;
}
/* Unlock flash (PNOR only) */
if(need_write)
need_relock = set_wrprotect(false);
/* Setup cleanup function */
atexit(flash_access_cleanup_pnor);
return FLASH_OK;
}
