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 albert.aribaud@free.fr --- 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
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 albert.aribaud@free.fr + * + * Written-by: Albert ARIBAUD albert.aribaud@free.fr + * + * 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 +#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 albert.aribaud@free.fr + * + * Written-by: Albert ARIBAUD albert.aribaud@free.fr + * + * 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; + 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 */