summaryrefslogtreecommitdiff
path: root/include/asm-arm/arch-l7200/uncompress.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-arm/arch-l7200/uncompress.h')
-rw-r--r--include/asm-arm/arch-l7200/uncompress.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/include/asm-arm/arch-l7200/uncompress.h b/include/asm-arm/arch-l7200/uncompress.h
new file mode 100644
index 000000000000..1caa2b560f53
--- /dev/null
+++ b/include/asm-arm/arch-l7200/uncompress.h
@@ -0,0 +1,44 @@
+/*
+ * linux/include/asm-arm/arch-l7200/uncompress.h
+ *
+ * Copyright (C) 2000 Steve Hill (sjhill@cotw.com)
+ *
+ * Changelog:
+ * 05-01-2000 SJH Created
+ * 05-13-2000 SJH Filled in function bodies
+ * 07-26-2000 SJH Removed hard coded buad rate
+ */
+
+#include <asm/hardware.h>
+
+#define IO_UART IO_START + 0x00044000
+
+#define __raw_writeb(v,p) (*(volatile unsigned char *)(p) = (v))
+#define __raw_readb(p) (*(volatile unsigned char *)(p))
+
+static __inline__ void putc(char c)
+{
+ while(__raw_readb(IO_UART + 0x18) & 0x20 ||
+ __raw_readb(IO_UART + 0x18) & 0x08);
+ __raw_writeb(c, IO_UART + 0x00);
+}
+
+static void putstr(const char *s)
+{
+ while (*s) {
+ if (*s == 10) { /* If a LF, add CR */
+ putc(10);
+ putc(13);
+ }
+ putc(*(s++));
+ }
+}
+
+static __inline__ void arch_decomp_setup(void)
+{
+ __raw_writeb(0x00, IO_UART + 0x08); /* Set HSB */
+ __raw_writeb(0x00, IO_UART + 0x20); /* Disable IRQs */
+ __raw_writeb(0x01, IO_UART + 0x14); /* Enable UART */
+}
+
+#define arch_decomp_wdog()