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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/arm/mach-clps711x/include/mach/uncompress.h
Initial import
Diffstat (limited to 'arch/arm/mach-clps711x/include/mach/uncompress.h')
-rw-r--r--arch/arm/mach-clps711x/include/mach/uncompress.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/arm/mach-clps711x/include/mach/uncompress.h b/arch/arm/mach-clps711x/include/mach/uncompress.h
new file mode 100644
index 000000000..5f02d06dc
--- /dev/null
+++ b/arch/arm/mach-clps711x/include/mach/uncompress.h
@@ -0,0 +1,55 @@
+/*
+ * arch/arm/mach-clps711x/include/mach/uncompress.h
+ *
+ * Copyright (C) 2000 Deep Blue Solutions Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <mach/clps711x.h>
+
+#ifdef CONFIG_DEBUG_CLPS711X_UART2
+#define SYSFLGx SYSFLG2
+#define UARTDRx UARTDR2
+#else
+#define SYSFLGx SYSFLG1
+#define UARTDRx UARTDR1
+#endif
+
+#define phys_reg(x) (*(volatile u32 *)(CLPS711X_PHYS_BASE + (x)))
+
+/*
+ * The following code assumes the serial port has already been
+ * initialized by the bootloader. If you didn't setup a port in
+ * your bootloader then nothing will appear (which might be desired).
+ *
+ * This does not append a newline
+ */
+static inline void putc(int c)
+{
+ while (phys_reg(SYSFLGx) & SYSFLG_UTXFF)
+ barrier();
+ phys_reg(UARTDRx) = c;
+}
+
+static inline void flush(void)
+{
+ while (phys_reg(SYSFLGx) & SYSFLG_UBUSY)
+ barrier();
+}
+
+/*
+ * nothing to do
+ */
+#define arch_decomp_setup()