flash/nor: Add erased_value to drivers and pass it to targets

[openocd.git] / src / target / armv4_5.c

diff --git a/src/target/armv4_5.c b/src/target/armv4_5.c
index e6ecfc88467d73044e83cd4bf37c25cff3b02478..1a31d40ce24f51a923c0a136858c5ed474cf5f5d 100644 (file)
--- a/src/target/armv4_5.c
+++ b/src/target/armv4_5.c
@@ -1486,7 +1486,7 @@ cleanup:
  *
  */
 int arm_blank_check_memory(struct target *target,
-       uint32_t address, uint32_t count, uint32_t *blank)
+       uint32_t address, uint32_t count, uint32_t *blank, uint8_t erased_value)
 {
        struct working_area *check_algorithm;
        struct reg_param reg_params[3];
@@ -1502,6 +1502,12 @@ int arm_blank_check_memory(struct target *target,
 
        assert(sizeof(check_code_le) % 4 == 0);
 
+       if (erased_value != 0xff) {
+               LOG_ERROR("Erase value 0x%02" PRIx8 " not yet supported for ARMv4/v5 targets",
+                       erased_value);
+               return ERROR_FAIL;
+       }
+
        /* make sure we have a working area */
        retval = target_alloc_working_area(target,
                        sizeof(check_code_le), &check_algorithm);
@@ -1529,7 +1535,7 @@ int arm_blank_check_memory(struct target *target,
        buf_set_u32(reg_params[1].value, 0, 32, count);
 
        init_reg_param(&reg_params[2], "r2", 32, PARAM_IN_OUT);
-       buf_set_u32(reg_params[2].value, 0, 32, 0xff);
+       buf_set_u32(reg_params[2].value, 0, 32, erased_value);
 
        /* armv4 must exit using a hardware breakpoint */
        if (arm->is_armv4)