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authorLinus Torvalds <torvalds@linux-foundation.org>2008-08-08 11:38:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-08 11:38:42 -0700
commit49b75b87ce2dfbd99e59a50c3681b154d07e3a22 (patch)
treef14e1da19a13d87a512f9043c2f37fd75dd122b3 /arch/arm/plat-omap/include/mach/uncompress.h
parentf1c7f79b6ab4f7ada002a0fae47f462ede6b6857 (diff)
parent097d9eb537ff4d88b74c3fe67392e27c478ca3c5 (diff)
Merge branch 'for-linus-merged' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus-merged' of master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 5177/1: arm/mach-sa1100/Makefile: remove CONFIG_SA1100_USB [ARM] 5166/1: magician: add MAINTAINERS entry [ARM] fix pnx4008 build errors [ARM] Fix SMP booting with non-zero PHYS_OFFSET [ARM] 5185/1: Fix spi num_chipselect for lubbock [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach [ARM] Add support for arch/arm/mach-*/include and arch/arm/plat-*/include [ARM] Remove asm/hardware.h, use asm/arch/hardware.h instead [ARM] Eliminate useless includes of asm/mach-types.h [ARM] Fix circular include dependency with IRQ headers avr32: Use <mach/foo.h> instead of <asm/arch/foo.h> avr32: Introduce arch/avr32/mach-*/include/mach avr32: Move include/asm-avr32 to arch/avr32/include/asm [ARM] sa1100_wdt: use reset_status to remember watchdog reset status [ARM] pxa: introduce reset_status and clear_reset_status for driver's usage [ARM] pxa: introduce reset.h for reset specific header information
Diffstat (limited to 'arch/arm/plat-omap/include/mach/uncompress.h')
-rw-r--r--arch/arm/plat-omap/include/mach/uncompress.h83
1 files changed, 83 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/mach/uncompress.h b/arch/arm/plat-omap/include/mach/uncompress.h
new file mode 100644
index 00000000000..0814c5f210c
--- /dev/null
+++ b/arch/arm/plat-omap/include/mach/uncompress.h
@@ -0,0 +1,83 @@
+/*
+ * arch/arm/plat-omap/include/mach/uncompress.h
+ *
+ * Serial port stubs for kernel decompress status messages
+ *
+ * Initially based on:
+ * linux-2.4.15-rmk1-dsplinux1.6/arch/arm/plat-omap/include/mach1510/uncompress.h
+ * Copyright (C) 2000 RidgeRun, Inc.
+ * Author: Greg Lonnon <glonnon@ridgerun.com>
+ *
+ * Rewritten by:
+ * Author: <source@mvista.com>
+ * 2004 (c) MontaVista Software, Inc.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include <linux/types.h>
+#include <linux/serial_reg.h>
+#include <mach/serial.h>
+
+unsigned int system_rev;
+
+#define UART_OMAP_MDR1 0x08 /* mode definition register */
+#define OMAP_ID_730 0x355F
+#define ID_MASK 0x7fff
+#define check_port(base, shift) ((base[UART_OMAP_MDR1 << shift] & 7) == 0)
+#define omap_get_id() ((*(volatile unsigned int *)(0xfffed404)) >> 12) & ID_MASK
+
+static void putc(int c)
+{
+ volatile u8 * uart = 0;
+ int shift = 2;
+
+#ifdef CONFIG_MACH_OMAP_PALMTE
+ return;
+#endif
+
+#ifdef CONFIG_ARCH_OMAP
+#ifdef CONFIG_OMAP_LL_DEBUG_UART3
+ uart = (volatile u8 *)(OMAP_UART3_BASE);
+#elif defined(CONFIG_OMAP_LL_DEBUG_UART2)
+ uart = (volatile u8 *)(OMAP_UART2_BASE);
+#else
+ uart = (volatile u8 *)(OMAP_UART1_BASE);
+#endif
+
+#ifdef CONFIG_ARCH_OMAP1
+ /* Determine which serial port to use */
+ do {
+ /* MMU is not on, so cpu_is_omapXXXX() won't work here */
+ unsigned int omap_id = omap_get_id();
+
+ if (omap_id == OMAP_ID_730)
+ shift = 0;
+
+ if (check_port(uart, shift))
+ break;
+ /* Silent boot if no serial ports are enabled. */
+ return;
+ } while (0);
+#endif /* CONFIG_ARCH_OMAP1 */
+#endif
+
+ /*
+ * Now, xmit each character
+ */
+ while (!(uart[UART_LSR << shift] & UART_LSR_THRE))
+ barrier();
+ uart[UART_TX << shift] = c;
+}
+
+static inline void flush(void)
+{
+}
+
+/*
+ * nothing to do
+ */
+#define arch_decomp_setup()
+#define arch_decomp_wdog()