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: Jayachandran C <jchandra@broadcom.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5417/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

2 files changed, 16 insertions, 0 deletions

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index a46b0a2f8f0f..69bf31062ca4 100644
--- a/arch/mips/Kconfig
+++ b/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.
diff --git a/arch/mips/boot/compressed/uart-16550.c b/arch/mips/boot/compressed/uart-16550.c
index 90ae4400c40c..c01d343ce6ad 100644
--- a/arch/mips/boot/compressed/uart-16550.c
+++ b/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