nds32: Drop tlb_addr from global data

This field doesn't appear to be used for anything important, so drop it.
Signed-off-by: NSimon Glass <sjg@chromium.org>

arch/nds32/include/asm/global_data.h

@@ -62,9 +62,6 @@ typedef	struct global_data {
 	unsigned long	mon_len;	/* monitor len */
 	unsigned long	irq_sp;		/* irq stack pointer */
 	unsigned long	start_addr_sp;	/* start_addr_stackpointer */
-#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
-	unsigned long	tlb_addr;
-#endif
 
 	void		**jt;		/* jump table */
 	char		env_buf[32];	/* buffer for getenv() before reloc. */

arch/nds32/lib/board.c

@@ -207,17 +207,6 @@ void board_init_f(ulong bootflag)
 
 	addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size;
 
-#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
-	/* reserve TLB table */
-	addr -= (4096 * 4);
-
-	/* round down to next 64 kB limit */
-	addr &= ~(0x10000 - 1);
-
-	gd->tlb_addr = addr;
-	debug("TLB table at: %08lx\n", addr);
-#endif
-
 	/* round down to next 4 kB limit */
 	addr &= ~(4096 - 1);
 	debug("Top of RAM usable for U-Boot at: %08lx\n", addr);