> -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Albert Aribaud > Sent: Friday, July 09, 2010 12:11 AM > To: [email protected] > Subject: [U-Boot] [PATCH V3 2/4] drivers/block: add mv_sata_ide driver > > This driver only provides initialization code; actual driving > is done by cmd_ide.c using the ATA compatibility mode of the > Marvell SATAHC controller. > > Signed-off-by: Albert Aribaud <[email protected]> > --- > drivers/block/Makefile | 1 + > drivers/block/mv_sata_ide.c | 61 > +++++++++++++++++++++++++++++++++++++++++++ > include/mv_sata_ide.h | 54 > ++++++++++++++++++++++++++++++++++++++ > 3 files changed, 116 insertions(+), 0 deletions(-) > create mode 100644 drivers/block/mv_sata_ide.c > create mode 100644 include/mv_sata_ide.h > > diff --git a/drivers/block/Makefile b/drivers/block/Makefile > index 3f6ad5c..b47a5e4 100644 > --- a/drivers/block/Makefile > +++ b/drivers/block/Makefile > @@ -36,6 +36,7 @@ COBJS-$(CONFIG_SATA_SIL3114) += sata_sil3114.o > COBJS-$(CONFIG_SCSI_AHCI) += ahci.o > COBJS-$(CONFIG_SCSI_SYM53C8XX) += sym53c8xx.o > COBJS-$(CONFIG_SYSTEMACE) += systemace.o > +COBJS-$(CONFIG_MV_SATA_IDE) += mv_sata_ide.o
Pls correct ordering here > > COBJS := $(COBJS-y) > SRCS := $(COBJS:.o=.c) > diff --git a/drivers/block/mv_sata_ide.c b/drivers/block/mv_sata_ide.c > new file mode 100644 > index 0000000..10f8bf6 > --- /dev/null > +++ b/drivers/block/mv_sata_ide.c > @@ -0,0 +1,61 @@ > +/* > + * Copyright (C) 2010 Albert ARIBAUD <[email protected]> > + * > + * Written-by: Albert ARIBAUD <[email protected]> > + * > + * See file CREDITS for list of people who contributed to this > + * project. > + * > + * 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. > + * > + * You should have received a copy of the GNU General Public License > + * along with this program; if not, write to the Free Software > + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, > + * MA 02110-1301 USA > + */ > + > +#include <common.h> > +#include <asm/io.h> > +#include "mv_sata_ide.h" > + > +/* Mask and values for device DETection and link initialization */ > +#define MV_SATA_SCONTROL_DET_MASK 0x0000000F Overall if you use MVSATA you can make your patch shorter. > +#define MV_SATA_SCONTROL_DET_NONE 0x00000000 > +#define MV_SATA_SCONTROL_DET_INIT 0x00000001 > + > +/* Mask and values for device Interface Power Management */ > +#define MV_SATA_SCONTROL_IMP_MASK 0x00000F00 > +#define MV_SATA_SCONTROL_IMP_NO_LP_ALLOWED 0x00000300 > + > +#define MV_SATA_SCONTROL_MASK \ > + (MV_SATA_SCONTROL_DET_MASK|MV_SATA_SCONTROL_IMP_MASK) > + > +#define MV_SATA_PORT_INIT \ > + (MV_SATA_SCONTROL_DET_INIT|MV_SATA_SCONTROL_IMP_NO_LP_ALLOWED) > + > +#define MV_SATA_PORT_USE \ > + (MV_SATA_SCONTROL_DET_NONE|MV_SATA_SCONTROL_IMP_NO_LP_ALLOWED) > + > +void mv_sata_ide_initialize_port( > + struct mv_sata_interface_registers *port) > +{ > + u32 reg; > + > + reg = readl(&port->SControl); > + > + reg = (reg & ~MV_SATA_SCONTROL_MASK) | MV_SATA_PORT_INIT; > + > + writel(reg, &port->SControl); > + > + reg = (reg & ~MV_SATA_SCONTROL_MASK) | MV_SATA_PORT_USE; > + > + writel(reg, &port->SControl); > +} > diff --git a/include/mv_sata_ide.h b/include/mv_sata_ide.h > new file mode 100644 > index 0000000..fdcb137 > --- /dev/null > +++ b/include/mv_sata_ide.h > @@ -0,0 +1,54 @@ > +/* > + * Copyright (C) 2010 Albert ARIBAUD <[email protected]> > + * > + * Written-by: Albert ARIBAUD <[email protected]> > + * > + * See file CREDITS for list of people who contributed to this > + * project. > + * > + * 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. > + * > + * You should have received a copy of the GNU General Public License > + * along with this program; if not, write to the Free Software > + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, > + * MA 02110-1301 USA > + */ > + > +#ifndef _MV_SATA_IDE_H > +#define _MV_SATA_IDE_H > + > +#ifndef __ASSEMBLY__ > + > +/* SATA insterface registers */ > +struct mv_sata_interface_registers > +{ > + volatile u32 SStatus; Pls remove volatiles from here > + volatile u32 SError; > + volatile u32 SControl; > + volatile u32 LTMode; > + volatile u32 PhyMode3; > + volatile u32 PhyMode4; > + volatile u32 Reserved1[5]; > + volatile u32 PhyMode1; > + volatile u32 PhyMode2; > + volatile u32 BIST_CR; > + volatile u32 BIST_DW1; > + volatile u32 BIST_DW2; > + volatile u32 SErrorIntrMask; > +}; > + > +/* Initialize a SATA port */ > +void mv_sata_ide_initialize_port( > + struct mv_sata_interface_registers *port); > + > +#endif /* __ASSEMBLY__ */ > + > +#endif /* _MV_SATA_IDE_H */ > -- Regards.. Prafulla . . _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
