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Diffstat (limited to 'arch/arm/mach-netx/include/mach/uncompress.h')
-rw-r--r--arch/arm/mach-netx/include/mach/uncompress.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/arch/arm/mach-netx/include/mach/uncompress.h b/arch/arm/mach-netx/include/mach/uncompress.h
new file mode 100644
index 000000000000..84f91284f612
--- /dev/null
+++ b/arch/arm/mach-netx/include/mach/uncompress.h
@@ -0,0 +1,76 @@
+/*
+ * arch/arm/mach-netx/include/mach/uncompress.h
+ *
+ * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * This program 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.
+ *
+ * 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
+ */
+
+/*
+ * The following code assumes the serial port has already been
+ * initialized by the bootloader. We search for the first enabled
+ * port in the most probable order. If you didn't setup a port in
+ * your bootloader then nothing will appear (which might be desired).
+ *
+ * This does not append a newline
+ */
+
+#define REG(x) (*(volatile unsigned long *)(x))
+
+#define UART1_BASE 0x100a00
+#define UART2_BASE 0x100a80
+
+#define UART_DR 0x0
+
+#define UART_CR 0x14
+#define CR_UART_EN (1<<0)
+
+#define UART_FR 0x18
+#define FR_BUSY (1<<3)
+#define FR_TXFF (1<<5)
+
+static void putc(char c)
+{
+ unsigned long base;
+
+ if (REG(UART1_BASE + UART_CR) & CR_UART_EN)
+ base = UART1_BASE;
+ else if (REG(UART2_BASE + UART_CR) & CR_UART_EN)
+ base = UART2_BASE;
+ else
+ return;
+
+ while (REG(base + UART_FR) & FR_TXFF);
+ REG(base + UART_DR) = c;
+}
+
+static inline void flush(void)
+{
+ unsigned long base;
+
+ if (REG(UART1_BASE + UART_CR) & CR_UART_EN)
+ base = UART1_BASE;
+ else if (REG(UART2_BASE + UART_CR) & CR_UART_EN)
+ base = UART2_BASE;
+ else
+ return;
+
+ while (REG(base + UART_FR) & FR_BUSY);
+}
+
+/*
+ * nothing to do
+ */
+#define arch_decomp_setup()
+#define arch_decomp_wdog()
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