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-rw-r--r--arch/mips/loongson/common/init.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/mips/loongson/common/init.c b/arch/mips/loongson/common/init.c
index 3b1dbc1..743d357 100644
--- a/arch/mips/loongson/common/init.c
+++ b/arch/mips/loongson/common/init.c
@@ -12,12 +12,20 @@
#include <loongson.h>
+/* Loongson CPU address windows config space base address */
+unsigned long __maybe_unused _loongson_addrwincfg_base;
+
void __init prom_init(void)
{
/* init base address of io space */
set_io_port_base((unsigned long)
ioremap(LOONGSON_PCIIO_BASE, LOONGSON_PCIIO_SIZE));
+#if defined(CONFIG_CPU_LOONGSON2F) && defined(CONFIG_64BIT)
+ _loongson_addrwincfg_base = (unsigned long)
+ ioremap(LOONGSON_ADDRWINCFG_BASE, LOONGSON_ADDRWINCFG_SIZE);
+#endif
+
prom_init_cmdline();
prom_init_env();
prom_init_memory();
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