On Mon, Mar 05, 2012 at 11:33:26AM +0100, Jan Weitzel wrote: > Add support for debug_ll > > Signed-off-by: Jan Weitzel <j.weitzel@xxxxxxxxx> Applied, thanks Sascha > --- > arch/arm/Kconfig | 1 + > arch/arm/mach-omap/include/mach/debug_ll.h | 54 ++++++++++++++++++++++++++++ > 2 files changed, 55 insertions(+), 0 deletions(-) > create mode 100644 arch/arm/mach-omap/include/mach/debug_ll.h > > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig > index 4c0ee58..67a1009 100644 > --- a/arch/arm/Kconfig > +++ b/arch/arm/Kconfig > @@ -61,6 +61,7 @@ config ARCH_NOMADIK > > config ARCH_OMAP > bool "TI OMAP" > + select HAS_DEBUG_LL > > config ARCH_PXA > bool "Intel/Marvell PXA based" > diff --git a/arch/arm/mach-omap/include/mach/debug_ll.h b/arch/arm/mach-omap/include/mach/debug_ll.h > new file mode 100644 > index 0000000..be388d1 > --- /dev/null > +++ b/arch/arm/mach-omap/include/mach/debug_ll.h > @@ -0,0 +1,54 @@ > +/* > + * Copyright (C) 2011 > + * Author: Jan Weitzel <j.weitzel@xxxxxxxxx> > + * based on arch/arm/mach-versatile/include/mach/debug_ll.h > + * > + * barebox 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. > + * > + * barebox 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 barebox. If not, see <http://www.gnu.org/licenses/>. > + */ > + > +#ifndef __MACH_DEBUG_LL_H__ > +#define __MACH_DEBUG_LL_H__ > + > +#include <asm/io.h> > + > +#ifdef CONFIG_ARCH_OMAP3 > +#include <mach/omap3-silicon.h> > + > +#ifdef CONFIG_OMAP3EVM_UART1 > +#define UART_BASE OMAP_UART1_BASE > +#else > +#define UART_BASE OMAP_UART3_BASE > +#endif > + > +#endif > + > +#ifdef CONFIG_ARCH_OMAP4 > +#include <mach/omap4-silicon.h> > +#define UART_BASE OMAP44XX_UART3_BASE > +#endif > + > +#define LSR_THRE 0x20 /* Xmit holding register empty */ > +#define LSR (5 << 2) > +#define THR (0 << 2) > + > +static inline void putc(char c) > +{ > + /* Wait until there is space in the FIFO */ > + while ((readb(UART_BASE + LSR) & LSR_THRE) == 0); > + /* Send the character */ > + writeb(c, UART_BASE + THR); > + /* Wait to make sure it hits the line, in case we die too soon. */ > + while ((readb(UART_BASE + LSR) & LSR_THRE) == 0); > +} > +#endif > -- > 1.7.0.4 > > > _______________________________________________ > barebox mailing list > barebox@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/barebox > -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
