MIPS: Netlogic: Support compressed kernel

Add SYS_SUPPORTS_ZBOOT and SYS_SUPPORTS_ZBOOT_UART16550 config options
for XLR and XLP.

Update boot/compressed/uart-16550.c to add UART port for XLR and XLP.
Signed-off-by: NJayachandran C <jchandra@broadcom.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5417/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

arch/mips/Kconfig

@@ -788,6 +788,8 @@ config NLM_XLR_BOARD
 	select SYS_HAS_EARLY_PRINTK
 	select USB_ARCH_HAS_OHCI if USB_SUPPORT
 	select USB_ARCH_HAS_EHCI if USB_SUPPORT
+	select SYS_SUPPORTS_ZBOOT
+	select SYS_SUPPORTS_ZBOOT_UART16550
 	help
 	  Support for systems based on Netlogic XLR and XLS processors.
 	  Say Y here if you have a XLR or XLS based board.
@@ -814,6 +816,8 @@ config NLM_XLP_BOARD
 	select SYNC_R4K
 	select SYS_HAS_EARLY_PRINTK
 	select USE_OF
+	select SYS_SUPPORTS_ZBOOT
+	select SYS_SUPPORTS_ZBOOT_UART16550
 	help
 	  This board is based on Netlogic XLP Processor.
 	  Say Y here if you have a XLP based board.

arch/mips/boot/compressed/uart-16550.c

@@ -23,6 +23,18 @@
 #define PORT(offset) (UART0_BASE + (4 * offset))
 #endif
 
+#ifdef CONFIG_CPU_XLR
+#define UART0_BASE  0x1EF14000
+#define PORT(offset) (CKSEG1ADDR(UART0_BASE) + (4 * offset))
+#define IOTYPE unsigned int
+#endif
+
+#ifdef CONFIG_CPU_XLP
+#define UART0_BASE  0x18030100
+#define PORT(offset) (CKSEG1ADDR(UART0_BASE) + (4 * offset))
+#define IOTYPE unsigned int
+#endif
+
 #ifndef IOTYPE
 #define IOTYPE char
 #endif