diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-08 11:38:42 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-08 11:38:42 -0700 |
commit | 49b75b87ce2dfbd99e59a50c3681b154d07e3a22 (patch) | |
tree | f14e1da19a13d87a512f9043c2f37fd75dd122b3 /arch/arm/plat-omap/include/mach/uncompress.h | |
parent | f1c7f79b6ab4f7ada002a0fae47f462ede6b6857 (diff) | |
parent | 097d9eb537ff4d88b74c3fe67392e27c478ca3c5 (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.h | 83 |
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() |