/*
* User space process size: 1st byte beyond user address space.
+ * Fairly meaningless on nommu. Parts of user programs can be scattered
+ * in a lot of places, so just disable this by setting it to 0xFFFFFFFF.
*/
-extern unsigned long memory_end;
-#define TASK_SIZE (memory_end)
+#define TASK_SIZE 0xFFFFFFFF
+
+#ifdef __KERNEL__
+#define STACK_TOP TASK_SIZE
+#endif
#define TASK_UNMAPPED_BASE 0
#define cpu_relax() barrier()
/* Get the Silicon Revision of the chip */
-static inline __attribute_pure__ uint32_t bfin_revid(void)
+static inline uint32_t __pure bfin_revid(void)
{
/* stored in the upper 4 bits */
- return bfin_read_CHIPID() >> 28;
+ uint32_t revid = bfin_read_CHIPID() >> 28;
+
+#ifdef CONFIG_BF52x
+ /* ANOMALY_05000357
+ * Incorrect Revision Number in DSPID Register
+ */
+ if (revid == 0)
+ switch (bfin_read16(_BOOTROM_GET_DXE_ADDRESS_TWI)) {
+ case 0x0010:
+ revid = 0;
+ break;
+ case 0x2796:
+ revid = 1;
+ break;
+ default:
+ revid = 0xFFFF;
+ break;
+ }
+#endif
+ return revid;
}
-static inline __attribute_pure__ uint32_t bfin_compiled_revid(void)
+static inline uint32_t __pure bfin_compiled_revid(void)
{
#if defined(CONFIG_BF_REV_0_0)
return 0;
return 4;
#elif defined(CONFIG_BF_REV_0_5)
return 5;
+#elif defined(CONFIG_BF_REV_ANY)
+ return 0xffff;
+#else
+ return -1;
#endif
}