[U-Boot] [PATCH] arm: ls102xa: Define default values for some CCSR macros

[Alison Wang]

This patch is to define default values for some CCSR macros
to make header files cleaner.

Signed-off-by: Alison Wang <alison.wang at freescale.com>
---
 arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h | 37 +++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h
index 697d4ca..a29c041 100644
--- a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h
+++ b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h
@@ -37,6 +37,43 @@
 
 #define DCFG_DCSR_PORCR1		0
 
+/*
+ * Define default values for some CCSR macros to make header files cleaner
+ *
+ * To completely disable CCSR relocation in a board header file, define
+ * CONFIG_SYS_CCSR_DO_NOT_RELOCATE.  This will force CONFIG_SYS_CCSRBAR_PHYS
+ * to a value that is the same as CONFIG_SYS_CCSRBAR.
+ */
+
+#ifdef CONFIG_SYS_CCSRBAR_PHYS
+#error "Do not define CONFIG_SYS_CCSRBAR_PHYS directly."
+#endif
+
+#ifdef CONFIG_SYS_CCSR_DO_NOT_RELOCATE
+#undef CONFIG_SYS_CCSRBAR_PHYS_HIGH
+#undef CONFIG_SYS_CCSRBAR_PHYS_LOW
+#define CONFIG_SYS_CCSRBAR_PHYS_HIGH	0
+#endif
+
+#ifndef CONFIG_SYS_CCSRBAR
+#define CONFIG_SYS_CCSRBAR		CONFIG_SYS_IMMR
+#endif
+
+#ifndef CONFIG_SYS_CCSRBAR_PHYS_HIGH
+#ifdef CONFIG_PHYS_64BIT
+#define CONFIG_SYS_CCSRBAR_PHYS_HIGH	0xf
+#else
+#define CONFIG_SYS_CCSRBAR_PHYS_HIGH	0
+#endif
+#endif
+
+#ifndef CONFIG_SYS_CCSRBAR_PHYS_LOW
+#define CONFIG_SYS_CCSRBAR_PHYS_LOW	CONFIG_SYS_IMMR
+#endif
+
+#define CONFIG_SYS_CCSRBAR_PHYS ((CONFIG_SYS_CCSRBAR_PHYS_HIGH * 1ull) << 32 | \
+				 CONFIG_SYS_CCSRBAR_PHYS_LOW)
+
 struct sys_info {
 	unsigned long freq_processor[CONFIG_MAX_CPUS];
 	unsigned long freq_systembus;
-- 
2.1.0.27.g96db324