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Diffstat (limited to 'include/asm-arm/arch-cl7500/uncompress.h')
-rw-r--r--include/asm-arm/arch-cl7500/uncompress.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/include/asm-arm/arch-cl7500/uncompress.h b/include/asm-arm/arch-cl7500/uncompress.h
new file mode 100644
index 000000000000..68601b3e3b95
--- /dev/null
+++ b/include/asm-arm/arch-cl7500/uncompress.h
@@ -0,0 +1,43 @@
+/*
+ * linux/include/asm-arm/arch-cl7500/uncompress.h
+ *
+ * Copyright (C) 1999, 2000 Nexus Electronics Ltd.
+ */
+
+#define BASE 0x03010000
+#define SERBASE (BASE + (0x2f8 << 2))
+
+static __inline__ void putc(char c)
+{
+ while (!(*((volatile unsigned int *)(SERBASE + 0x14)) & 0x20));
+ *((volatile unsigned int *)(SERBASE)) = c;
+}
+
+/*
+ * This does not append a newline
+ */
+static void putstr(const char *s)
+{
+ while (*s) {
+ putc(*s);
+ if (*s == '\n')
+ putc('\r');
+ s++;
+ }
+}
+
+static __inline__ void arch_decomp_setup(void)
+{
+ int baud = 3686400 / (9600 * 32);
+
+ *((volatile unsigned int *)(SERBASE + 0xC)) = 0x80;
+ *((volatile unsigned int *)(SERBASE + 0x0)) = baud & 0xff;
+ *((volatile unsigned int *)(SERBASE + 0x4)) = (baud & 0xff00) >> 8;
+ *((volatile unsigned int *)(SERBASE + 0xC)) = 3; /* 8 bits */
+ *((volatile unsigned int *)(SERBASE + 0x10)) = 3; /* DTR, RTS */
+}
+
+/*
+ * nothing to do
+ */
+#define arch_decomp_wdog()