diff options
| author |   Kevin Wells <wellsk40@gmail.com> | 2010-02-26 15:53:39 -0800 |
|---|---|---|
| committer | Kevin Wells <wellsk40@gmail.com> | 2010-07-27 03:08:09 -0700 |
| commit | 343d3537917bd74648fa2a360b42f64ad5ec551d (patch) | |
| tree | 4847f42f8d6fe92ce72fe7be8f449b7bb5c9645a /arch | |
| parent | ARM: LPC32XX: Initial arch header files (diff) | |
| download | linux-dev-343d3537917bd74648fa2a360b42f64ad5ec551d.tar.xz linux-dev-343d3537917bd74648fa2a360b42f64ad5ec551d.zip | |
ARM: LPC32XX: Debug and IRQ macros
Debug (printascii) and IRQ handler macros for the LPC32XX
arch
Signed-off-by: Kevin Wells <wellsk40@gmail.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-lpc32xx/include/mach/debug-macro.S | 31 | ||||
| -rw-r--r-- | arch/arm/mach-lpc32xx/include/mach/entry-macro.S | 47 |
2 files changed, 78 insertions, 0 deletions
diff --git a/arch/arm/mach-lpc32xx/include/mach/debug-macro.S b/arch/arm/mach-lpc32xx/include/mach/debug-macro.S new file mode 100644 index 000000000000..621744d6b152 --- /dev/null +++ b/arch/arm/mach-lpc32xx/include/mach/debug-macro.S @@ -0,0 +1,31 @@ +/* + * arch/arm/mach-lpc32xx/include/mach/debug-macro.S + * + * Author: Kevin Wells <kevin.wells@nxp.com> + * + * Copyright (C) 2010 NXP Semiconductors + * + * 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. + */ + +/* + * Debug output is hardcoded to standard UART 5 +*/ + + .macro addruart,rx, tmp + mrc p15, 0, \rx, c1, c0 + tst \rx, #1 @ MMU enabled? + ldreq \rx, =0x40090000 + ldrne \rx, =0xF4090000 + .endm + +#define UART_SHIFT 2 +#include <asm/hardware/debug-8250.S> diff --git a/arch/arm/mach-lpc32xx/include/mach/entry-macro.S b/arch/arm/mach-lpc32xx/include/mach/entry-macro.S new file mode 100644 index 000000000000..870227c96602 --- /dev/null +++ b/arch/arm/mach-lpc32xx/include/mach/entry-macro.S @@ -0,0 +1,47 @@ +/* + * arch/arm/mach-lpc32xx/include/mach/entry-macro.S + * + * Author: Kevin Wells <kevin.wells@nxp.com> + * + * Copyright (C) 2010 NXP Semiconductors + * + * 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. + */ + +#include <mach/hardware.h> +#include <mach/platform.h> + +#define LPC32XX_INTC_MASKED_STATUS_OFS 0x8 + + .macro disable_fiq + .endm + + .macro get_irqnr_preamble, base, tmp + ldr \base, =IO_ADDRESS(LPC32XX_MIC_BASE) + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + +/* + * Return IRQ number in irqnr. Also return processor Z flag status in CPSR + * as set if an interrupt is pending. + */ + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + ldr \irqstat, [\base, #LPC32XX_INTC_MASKED_STATUS_OFS] + clz \irqnr, \irqstat + rsb \irqnr, \irqnr, #31 + teq \irqstat, #0 + .endm + + .macro irq_prio_table + .endm + |