-#define CONFIG_SYS_PVT V_PVT /* 2^(pvt+1) */
-#define CONFIG_SYS_HZ ((CONFIG_SYS_CLK_FREQ)/(2 << CONFIG_SYS_PVT))
-
-/*-----------------------------------------------------------------------
- * Stack sizes
- *
- * The stack sizes are set up in start.S using the settings below
- */
-#define CONFIG_STACKSIZE SZ_128K /* regular stack */
-#ifdef CONFIG_USE_IRQ
-# define CONFIG_STACKSIZE_IRQ SZ_4K /* IRQ stack */
-# define CONFIG_STACKSIZE_FIQ SZ_4K /* FIQ stack */
-#endif
+#define CONFIG_SYS_PTV 7 /* 2^(PTV+1) */
+#define CONFIG_SYS_HZ ((CONFIG_SYS_CLK_FREQ)/(2 << CONFIG_SYS_PTV))