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authorErik Gilling <konkers@android.com>2010-01-21 16:53:02 -0800
committerErik Gilling <konkers@android.com>2010-08-05 14:51:42 -0700
commitc5f800656bc985b448b1d848d309648826536543 (patch)
treeefac337e79b73bf24ce639840e41f77bcd46d707 /arch/arm/mach-tegra/include/mach/uncompress.h
parentcdd854bc42b5e6c79bbbc40c6600d995ffe6e747 (diff)
downloadblackbird-op-linux-c5f800656bc985b448b1d848d309648826536543.tar.gz
blackbird-op-linux-c5f800656bc985b448b1d848d309648826536543.zip
[ARM] tegra: initial tegra support
v2: Fixes from Mike Rapoport - remove unused header files (mach/dma.h and mach/nand.h) - remove tegra 1 references from Makefile.boot v2: fixes from Russell King - remove mach/io.h include from mach/iomap.h - fix whitespace in Kconfig v2: from Colin Cross - fix invalid immediate in debug-macro.S v3: - allow selection of multiple boards Signed-off-by: Colin Cross <ccross@android.com> Signed-off-by: Erik Gilling <konkers@android.com>
Diffstat (limited to 'arch/arm/mach-tegra/include/mach/uncompress.h')
-rw-r--r--arch/arm/mach-tegra/include/mach/uncompress.h78
1 files changed, 78 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/include/mach/uncompress.h b/arch/arm/mach-tegra/include/mach/uncompress.h
new file mode 100644
index 000000000000..6c4dd815abd7
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/uncompress.h
@@ -0,0 +1,78 @@
+/*
+ * arch/arm/mach-tegra/include/mach/uncompress.h
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ * Colin Cross <ccross@google.com>
+ * Erik Gilling <konkers@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+
+#ifndef __MACH_TEGRA_UNCOMPRESS_H
+#define __MACH_TEGRA_UNCOMPRESS_H
+
+#include <linux/types.h>
+#include <linux/serial_reg.h>
+
+#include <mach/iomap.h>
+
+#if defined(CONFIG_TEGRA_DEBUG_UARTA)
+#define DEBUG_UART_BASE TEGRA_UARTA_BASE
+#elif defined(CONFIG_TEGRA_DEBUG_UARTB)
+#define DEBUG_UART_BASE TEGRA_UARTB_BASE
+#elif defined(CONFIG_TEGRA_DEBUG_UARTC)
+#define DEBUG_UART_BASE TEGRA_UARTC_BASE
+#elif defined(CONFIG_TEGRA_DEBUG_UARTD)
+#define DEBUG_UART_BASE TEGRA_UARTD_BASE
+#elif defined(CONFIG_TEGRA_DEBUG_UARTE)
+#define DEBUG_UART_BASE TEGRA_UARTE_BASE
+#else
+#define DEBUG_UART_BASE NULL
+#endif
+
+static void putc(int c)
+{
+ volatile u8 *uart = (volatile u8 *)DEBUG_UART_BASE;
+ int shift = 2;
+
+ if (uart == NULL)
+ return;
+
+ while (!(uart[UART_LSR << shift] & UART_LSR_THRE))
+ barrier();
+ uart[UART_TX << shift] = c;
+}
+
+static inline void flush(void)
+{
+}
+
+static inline void arch_decomp_setup(void)
+{
+ volatile u8 *uart = (volatile u8 *)DEBUG_UART_BASE;
+ int shift = 2;
+
+ if (uart == NULL)
+ return;
+
+ uart[UART_LCR << shift] |= UART_LCR_DLAB;
+ uart[UART_DLL << shift] = 0x75;
+ uart[UART_DLM << shift] = 0x0;
+ uart[UART_LCR << shift] = 3;
+}
+
+static inline void arch_decomp_wdog(void)
+{
+}
+
+#endif
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