[AVR32] Get rid of board_setup_fbmem()

Since the core setup code takes care of both allocation and
reservation of framebuffer memory, there's no need for this board-
specific hook anymore. Replace it with two global variables,
fbmem_start and fbmem_size, which can be used directly.
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>

arch/avr32/boards/atstk1000/atstk1002.c

@@ -33,7 +33,7 @@ struct eth_addr {
 static struct eth_addr __initdata hw_addr[2];
 
 static struct eth_platform_data __initdata eth_data[2];
-extern struct lcdc_platform_data atstk1000_fb0_data;
+static struct lcdc_platform_data atstk1000_fb0_data;
 
 static struct spi_board_info spi0_board_info[] __initdata = {
 	{
@@ -148,6 +148,8 @@ static int __init atstk1002_init(void)
 	set_hw_addr(at32_add_device_eth(0, &eth_data[0]));
 
 	at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
+	atstk1000_fb0_data.fbmem_start = fbmem_start;
+	atstk1000_fb0_data.fbmem_size = fbmem_size;
 	at32_add_device_lcdc(0, &atstk1000_fb0_data);
 
 	return 0;

arch/avr32/boards/atstk1000/setup.c

@@ -18,33 +18,3 @@
 
 /* Initialized by bootloader-specific startup code. */
 struct tag *bootloader_tags __initdata;
-
-struct lcdc_platform_data __initdata atstk1000_fb0_data;
-
-void __init board_setup_fbmem(unsigned long fbmem_start,
-			      unsigned long fbmem_size)
-{
-	if (!fbmem_size)
-		return;
-
-	if (!fbmem_start) {
-		void *fbmem;
-
-		fbmem = alloc_bootmem_low_pages(fbmem_size);
-		fbmem_start = __pa(fbmem);
-	} else {
-		pg_data_t *pgdat;
-
-		for_each_online_pgdat(pgdat) {
-			if (fbmem_start >= pgdat->bdata->node_boot_start
-			    && fbmem_start <= pgdat->bdata->node_low_pfn)
-				reserve_bootmem_node(pgdat, fbmem_start,
-						     fbmem_size);
-		}
-	}
-
-	printk("%luKiB framebuffer memory at address 0x%08lx\n",
-	       fbmem_size >> 10, fbmem_start);
-	atstk1000_fb0_data.fbmem_start = fbmem_start;
-	atstk1000_fb0_data.fbmem_size = fbmem_size;
-}

arch/avr32/kernel/setup.c

@@ -228,8 +228,8 @@ alloc_reserved_region(resource_size_t *start, resource_size_t size,
  * Board-specific code may use these variables to set up platform data
  * for the framebuffer driver if fbmem_size is nonzero.
  */
-static resource_size_t __initdata fbmem_start;
-static resource_size_t __initdata fbmem_size;
+resource_size_t __initdata fbmem_start;
+resource_size_t __initdata fbmem_size;
 
 /*
  * "fbmem=xxx[kKmM]" allocates the specified amount of boot memory for
@@ -561,13 +561,10 @@ void __init setup_arch (char **cmdline_p)
 
 	setup_bootmem();
 
-	board_setup_fbmem(fbmem_start, fbmem_size);
-
 #ifdef CONFIG_VT
 	conswitchp = &dummy_con;
 #endif
 
 	paging_init();
-
 	resource_init();
 }

include/asm-avr32/setup.h

@@ -126,10 +126,10 @@ struct tagtable {
 
 extern struct tag *bootloader_tags;
 
+extern resource_size_t fbmem_start;
+extern resource_size_t fbmem_size;
 
 void setup_processor(void);
-extern void board_setup_fbmem(unsigned long fbmem_start,
-			      unsigned long fbmem_size);
 
 #endif /* !__ASSEMBLY__ */