From: Simon Glass <sjg@chromium.org>
Date: Thu, 13 Dec 2012 20:48:39 +0000 (+0000)
Subject: arm: Move tlb_addr and tlb_size to arch_global_data
X-Git-Tag: v2013.04-rc1~124
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=34fd5d253dee74fa8e431fc2183aa9f2637afa04;p=platform%2Fkernel%2Fu-boot.git

arm: Move tlb_addr and tlb_size to arch_global_data

Move these fields into arch_global_data and tidy up.

Signed-off-by: Simon Glass <sjg@chromium.org>
[trini: Address tlb_size in this patch as well]
Signed-off-by: Tom Rini <trini@ti.com>
---

diff --git a/arch/arm/include/asm/global_data.h b/arch/arm/include/asm/global_data.h
index 5d414ef..0c1dbe8 100644
--- a/arch/arm/include/asm/global_data.h
+++ b/arch/arm/include/asm/global_data.h
@@ -44,6 +44,10 @@ struct arch_global_data {
 #ifdef CONFIG_IXP425
 	unsigned long timestamp;
 #endif
+#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
+	unsigned long tlb_addr;
+	unsigned long tlb_size;
+#endif
 };
 
 /*
@@ -74,10 +78,6 @@ typedef	struct	global_data {
 	unsigned long	irq_sp;		/* irq stack pointer */
 	unsigned long	start_addr_sp;	/* start_addr_stackpointer */
 	unsigned long	reloc_off;
-#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
-	unsigned long	tlb_addr;
-	unsigned long	tlb_size;
-#endif
 	const void	*fdt_blob;	/* Our device tree, NULL if none */
 	void		**jt;		/* jump table */
 	char		env_buf[32];	/* buffer for getenv() before reloc. */
diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c
index 9f861cc..162e2cc 100644
--- a/arch/arm/lib/board.c
+++ b/arch/arm/lib/board.c
@@ -355,14 +355,14 @@ void board_init_f(ulong bootflag)
 
 #if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
 	/* reserve TLB table */
-	gd->tlb_size = 4096 * 4;
-	addr -= gd->tlb_size;
+	gd->arch.tlb_size = 4096 * 4;
+	addr -= gd->arch.tlb_size;
 
 	/* round down to next 64 kB limit */
 	addr &= ~(0x10000 - 1);
 
-	gd->tlb_addr = addr;
-	debug("TLB table from %08lx to %08lx\n", addr, addr + gd->tlb_size);
+	gd->arch.tlb_addr = addr;
+	debug("TLB table from %08lx to %08lx\n", addr, addr + gd->arch.tlb_size);
 #endif
 
 	/* round down to next 4 kB limit */
diff --git a/arch/arm/lib/cache-cp15.c b/arch/arm/lib/cache-cp15.c
index 1cab27c..b6e5e95 100644
--- a/arch/arm/lib/cache-cp15.c
+++ b/arch/arm/lib/cache-cp15.c
@@ -46,7 +46,7 @@ static void cp_delay (void)
 
 void set_section_dcache(int section, enum dcache_option option)
 {
-	u32 *page_table = (u32 *)gd->tlb_addr;
+	u32 *page_table = (u32 *)gd->arch.tlb_addr;
 	u32 value;
 
 	value = (section << MMU_SECTION_SHIFT) | (3 << 10);
@@ -65,7 +65,7 @@ void mmu_page_table_flush(unsigned long start, unsigned long stop)
 void mmu_set_region_dcache_behaviour(u32 start, int size,
 				     enum dcache_option option)
 {
-	u32 *page_table = (u32 *)gd->tlb_addr;
+	u32 *page_table = (u32 *)gd->arch.tlb_addr;
 	u32 upto, end;
 
 	end = ALIGN(start + size, MMU_SECTION_SIZE) >> MMU_SECTION_SHIFT;
@@ -111,7 +111,7 @@ static inline void mmu_setup(void)
 
 	/* Copy the page table address to cp15 */
 	asm volatile("mcr p15, 0, %0, c2, c0, 0"
-		     : : "r" (gd->tlb_addr) : "memory");
+		     : : "r" (gd->arch.tlb_addr) : "memory");
 	/* Set the access control to all-supervisor */
 	asm volatile("mcr p15, 0, %0, c3, c0, 0"
 		     : : "r" (~0));
diff --git a/common/cmd_bdinfo.c b/common/cmd_bdinfo.c
index 48cdd16..82a3693 100644
--- a/common/cmd_bdinfo.c
+++ b/common/cmd_bdinfo.c
@@ -371,7 +371,7 @@ int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 #endif
 	printf("baudrate    = %u bps\n", bd->bi_baudrate);
 #if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF))
-	print_num("TLB addr", gd->tlb_addr);
+	print_num("TLB addr", gd->arch.tlb_addr);
 #endif
 	print_num("relocaddr", gd->relocaddr);
 	print_num("reloc off", gd->reloc_off);