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authorGrant Likely <grant.likely@secretlab.ca>2010-05-25 00:38:26 -0600
committerGrant Likely <grant.likely@secretlab.ca>2010-05-25 00:38:26 -0600
commitb1e50ebcf24668e57f058deb48b0704b5391ed0f (patch)
tree17e1b69b249d0738317b732186340c9dd053f1a1 /arch/arm/mach-cns3xxx/include/mach/uncompress.h
parent0c2a2ae32793e3500a15a449612485f5d17dd431 (diff)
parent7e125f7b9cbfce4101191b8076d606c517a73066 (diff)
Merge remote branch 'origin' into secretlab/next-spi
Diffstat (limited to 'arch/arm/mach-cns3xxx/include/mach/uncompress.h')
-rw-r--r--arch/arm/mach-cns3xxx/include/mach/uncompress.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/arm/mach-cns3xxx/include/mach/uncompress.h b/arch/arm/mach-cns3xxx/include/mach/uncompress.h
new file mode 100644
index 00000000000..de8ead9b91f
--- /dev/null
+++ b/arch/arm/mach-cns3xxx/include/mach/uncompress.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2003 ARM Limited
+ * Copyright 2008 Cavium Networks
+ *
+ * This file is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, Version 2, as
+ * published by the Free Software Foundation.
+ */
+
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+#include <mach/cns3xxx.h>
+
+#define AMBA_UART_DR(base) (*(volatile unsigned char *)((base) + 0x00))
+#define AMBA_UART_LCRH(base) (*(volatile unsigned char *)((base) + 0x2c))
+#define AMBA_UART_CR(base) (*(volatile unsigned char *)((base) + 0x30))
+#define AMBA_UART_FR(base) (*(volatile unsigned char *)((base) + 0x18))
+
+/*
+ * Return the UART base address
+ */
+static inline unsigned long get_uart_base(void)
+{
+ if (machine_is_cns3420vb())
+ return CNS3XXX_UART0_BASE;
+ else
+ return 0;
+}
+
+/*
+ * This does not append a newline
+ */
+static inline void putc(int c)
+{
+ unsigned long base = get_uart_base();
+
+ while (AMBA_UART_FR(base) & (1 << 5))
+ barrier();
+
+ AMBA_UART_DR(base) = c;
+}
+
+static inline void flush(void)
+{
+ unsigned long base = get_uart_base();
+
+ while (AMBA_UART_FR(base) & (1 << 3))
+ barrier();
+}
+
+/*
+ * nothing to do
+ */
+#define arch_decomp_setup()
+#define arch_decomp_wdog()