summaryrefslogtreecommitdiff
path: root/arch/arm/mach-at91/include/mach/uncompress.h
diff options
context:
space:
mode:
authorSrikant Patnaik2015-01-13 15:08:24 +0530
committerSrikant Patnaik2015-01-13 15:08:24 +0530
commit97327692361306d1e6259021bc425e32832fdb50 (patch)
treefe9088f3248ec61e24f404f21b9793cb644b7f01 /arch/arm/mach-at91/include/mach/uncompress.h
parent2d05a8f663478a44e088d122e0d62109bbc801d0 (diff)
parenta3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff)
downloadFOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.tar.gz
FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.tar.bz2
FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.zip
dirty fix to merging
Diffstat (limited to 'arch/arm/mach-at91/include/mach/uncompress.h')
-rw-r--r--arch/arm/mach-at91/include/mach/uncompress.h79
1 files changed, 79 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/uncompress.h b/arch/arm/mach-at91/include/mach/uncompress.h
new file mode 100644
index 00000000..4218647c
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/uncompress.h
@@ -0,0 +1,79 @@
+/*
+ * arch/arm/mach-at91/include/mach/uncompress.h
+ *
+ * Copyright (C) 2003 SAN People
+ *
+ * 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
+ */
+
+#ifndef __ASM_ARCH_UNCOMPRESS_H
+#define __ASM_ARCH_UNCOMPRESS_H
+
+#include <linux/io.h>
+#include <linux/atmel_serial.h>
+#include <mach/hardware.h>
+
+#if defined(CONFIG_AT91_EARLY_DBGU0)
+#define UART_OFFSET AT91_BASE_DBGU0
+#elif defined(CONFIG_AT91_EARLY_DBGU1)
+#define UART_OFFSET AT91_BASE_DBGU1
+#elif defined(CONFIG_AT91_EARLY_USART0)
+#define UART_OFFSET AT91_USART0
+#elif defined(CONFIG_AT91_EARLY_USART1)
+#define UART_OFFSET AT91_USART1
+#elif defined(CONFIG_AT91_EARLY_USART2)
+#define UART_OFFSET AT91_USART2
+#elif defined(CONFIG_AT91_EARLY_USART3)
+#define UART_OFFSET AT91_USART3
+#elif defined(CONFIG_AT91_EARLY_USART4)
+#define UART_OFFSET AT91_USART4
+#elif defined(CONFIG_AT91_EARLY_USART5)
+#define UART_OFFSET AT91_USART5
+#endif
+
+/*
+ * 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 void putc(int c)
+{
+#ifdef UART_OFFSET
+ void __iomem *sys = (void __iomem *) UART_OFFSET; /* physical address */
+
+ while (!(__raw_readl(sys + ATMEL_US_CSR) & ATMEL_US_TXRDY))
+ barrier();
+ __raw_writel(c, sys + ATMEL_US_THR);
+#endif
+}
+
+static inline void flush(void)
+{
+#ifdef UART_OFFSET
+ void __iomem *sys = (void __iomem *) UART_OFFSET; /* physical address */
+
+ /* wait for transmission to complete */
+ while (!(__raw_readl(sys + ATMEL_US_CSR) & ATMEL_US_TXEMPTY))
+ barrier();
+#endif
+}
+
+#define arch_decomp_setup()
+
+#define arch_decomp_wdog()
+
+#endif