flash/nor/nrf5: do not check FICR PPFC on nRF52

Change-Id: I6beee9b85a542040f2495513b5ba51bd8e1389db
Signed-off-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-on: http://openocd.zylin.com/4867
Tested-by: jenkins

diff --git a/src/flash/nor/nrf5.c b/src/flash/nor/nrf5.c
index db54ddb6ff8f0e7de90ed7258d0ed4fa73f7c5a7..c19c4eabb05f741867f6928ef36b736737b9fa6d 100644 (file)
--- a/src/flash/nor/nrf5.c
+++ b/src/flash/nor/nrf5.c
@@ -817,23 +817,25 @@ static int nrf5_erase_page(struct flash_bank *bank,
        }
 
        if (bank->base == NRF5_UICR_BASE) {
-               uint32_t ppfc;
-               res = target_read_u32(chip->target, NRF51_FICR_PPFC,
+               if (chip->features & NRF5_FEATURE_SERIES_51) {
+                       uint32_t ppfc;
+                       res = target_read_u32(chip->target, NRF51_FICR_PPFC,
                                      &ppfc);
-               if (res != ERROR_OK) {
-                       LOG_ERROR("Couldn't read PPFC register");
-                       return res;
-               }
-
-               if ((ppfc & 0xFF) == 0xFF) {
-                       /* We can't erase the UICR.  Double-check to
-                          see if it's already erased before complaining. */
-                       default_flash_blank_check(bank);
-                       if (sector->is_erased == 1)
-                               return ERROR_OK;
-
-                       LOG_ERROR("The chip was not pre-programmed with SoftDevice stack and UICR cannot be erased separately. Please issue mass erase before trying to write to this region");
-                       return ERROR_FAIL;
+                       if (res != ERROR_OK) {
+                               LOG_ERROR("Couldn't read PPFC register");
+                               return res;
+                       }
+
+                       if ((ppfc & 0xFF) == 0xFF) {
+                               /* We can't erase the UICR.  Double-check to
+                                  see if it's already erased before complaining. */
+                               default_flash_blank_check(bank);
+                               if (sector->is_erased == 1)
+                                       return ERROR_OK;
+
+                               LOG_ERROR("The chip was not pre-programmed with SoftDevice stack and UICR cannot be erased separately. Please issue mass erase before trying to write to this region");
+                               return ERROR_FAIL;
+                       }
                }
 
                res = nrf5_nvmc_generic_erase(chip,
@@ -1077,19 +1079,20 @@ COMMAND_HANDLER(nrf5_handle_mass_erase_command)
        if (res != ERROR_OK)
                return res;
 
-       uint32_t ppfc;
-
-       res = target_read_u32(target, NRF51_FICR_PPFC,
+       if (chip->features & NRF5_FEATURE_SERIES_51) {
+               uint32_t ppfc;
+               res = target_read_u32(target, NRF51_FICR_PPFC,
                              &ppfc);
-       if (res != ERROR_OK) {
-               LOG_ERROR("Couldn't read PPFC register");
-               return res;
-       }
+               if (res != ERROR_OK) {
+                       LOG_ERROR("Couldn't read PPFC register");
+                       return res;
+               }
 
-       if ((ppfc & 0xFF) == 0x00) {
-               LOG_ERROR("Code region 0 size was pre-programmed at the factory, "
-                         "mass erase command won't work.");
-               return ERROR_FAIL;
+               if ((ppfc & 0xFF) == 0x00) {
+                       LOG_ERROR("Code region 0 size was pre-programmed at the factory, "
+                                 "mass erase command won't work.");
+                       return ERROR_FAIL;
+               }
        }
 
        res = nrf5_erase_all(chip);