MIPS: Alchemy: Single kernel for DB1200/1300/1550

Combine support for the DB1200/PB1200, DB1300 and DB1550 boards into
a single kernel image.

defconfig-generated image verified on DB1200, DB1300 and DB1550.

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/4335/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/alchemy/devboards/db1300.c b/arch/mips/alchemy/devboards/db1300.c
index c56e024..cdf37cb 100644
--- a/arch/mips/alchemy/devboards/db1300.c
+++ b/arch/mips/alchemy/devboards/db1300.c
@@ -110,11 +110,6 @@
 	au1300_set_dbdma_gpio(1, AU1300_PIN_FG3AUX);
 }
 
-char *get_system_type(void)
-{
-	return "DB1300";
-}
-
 /**********************************************************************/
 
 static void au1300_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
@@ -701,7 +696,7 @@
 	&db1300_sndi2s_dev,
 };
 
-static int __init db1300_device_init(void)
+int __init db1300_dev_setup(void)
 {
 	int swapped, cpldirq;
 
@@ -758,10 +753,9 @@
 
 	return platform_add_devices(db1300_dev, ARRAY_SIZE(db1300_dev));
 }
-device_initcall(db1300_device_init);
 
 
-void __init board_setup(void)
+int __init db1300_board_setup(void)
 {
 	unsigned short whoami;
 
@@ -779,4 +773,6 @@
 	alchemy_uart_enable(AU1300_UART0_PHYS_ADDR);
 	alchemy_uart_enable(AU1300_UART1_PHYS_ADDR);
 	alchemy_uart_enable(AU1300_UART3_PHYS_ADDR);
+
+	return 0;
 }