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/mvsata_ide.c | 140 ++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 141 insertions(+), 0 deletions(-) create mode 100644 drivers/block/mvsata_ide.c

diff --git a/drivers/block/Makefile b/drivers/block/Makefile index 3bab1e4..64dcf4e 100644 --- a/drivers/block/Makefile +++ b/drivers/block/Makefile @@ -30,6 +30,7 @@ COBJS-$(CONFIG_ATA_PIIX) += ata_piix.o COBJS-$(CONFIG_FSL_SATA) += fsl_sata.o COBJS-$(CONFIG_LIBATA) += libata.o COBJS-$(CONFIG_CMD_MG_DISK) += mg_disk.o +COBJS-$(CONFIG_MVSATA_IDE) += mvsata_ide.o COBJS-$(CONFIG_PATA_BFIN) += pata_bfin.o COBJS-$(CONFIG_SATA_DWC) += sata_dwc.o COBJS-$(CONFIG_SATA_SIL3114) += sata_sil3114.o diff --git a/drivers/block/mvsata_ide.c b/drivers/block/mvsata_ide.c new file mode 100644 index 0000000..8ac84ea --- /dev/null +++ b/drivers/block/mvsata_ide.c @@ -0,0 +1,140 @@ +/* + * 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> + +#if defined(CONFIG_ORION5X) +#include <asm/arch/orion5x.h> +#elif defined(CONFIG_KIRKWOOD) +#include <asm/arch/kirkwood.h> +#endif + +/* SATA port registers */ +struct mvsata_port_registers { + u32 reserved1[192]; + /* offset 0x300 : ATA Interface registers */ + u32 sstatus; + u32 serror; + u32 scontrol; + u32 ltmode; + u32 phymode3; + u32 phymode4; + u32 reserved2[5]; + u32 phymode1; + u32 phymode2; + u32 bist_cr; + u32 bist_dw1; + u32 bist_dw2; + u32 serrorintrmask; +}; + +/* + * Sanity checks: + * - to compile at all, we need CONFIG_SYS_ATA_BASE_ADDR. + * - for ide_preinit to make sense, we need at least one of + * CONFIG_SYS_ATA_IDE0_OFFSET or CONFIG_SYS_ATA_IDE0_OFFSET; + * - for inde_preinit to be called, we need CONFIG_IDE_PREINIT. + * Fail with an explanation message if these conditions are not met. + * This is particularly important for CONFIG_IDE_PREINIT, because + * its lack would not cause a build error. + */ + +#if !defined(CONFIG_SYS_ATA_BASE_ADDR) +#error CONFIG_SYS_ATA_BASE_ADDR must be defined +#elif !defined(CONFIG_SYS_ATA_IDE0_OFFSET) \ + && !defined(CONFIG_SYS_ATA_IDE1_OFFSET) +#error CONFIG_SYS_ATA_IDE0_OFFSET or CONFIG_SYS_ATA_IDE1_OFFSET \ + must be defined +#elif !defined(CONFIG_IDE_PREINIT) +#error CONFIG_IDE_PREINIT must be defined +#endif + +/* + * Masks and values for SControl DETection and Interface Power Management, + * and for SStatus DETection. + */ + +#define MVSATA_SCONTROL_DET_MASK 0x0000000F +#define MVSATA_SCONTROL_DET_NONE 0x00000000 +#define MVSATA_SCONTROL_DET_INIT 0x00000001 +#define MVSATA_SCONTROL_IPM_MASK 0x00000F00 +#define MVSATA_SCONTROL_IPM_NO_LP_ALLOWED 0x00000300 +#define MVSATA_SCONTROL_MASK \ + (MVSATA_SCONTROL_DET_MASK|MVSATA_SCONTROL_IPM_MASK) +#define MVSATA_PORT_INIT \ + (MVSATA_SCONTROL_DET_INIT|MVSATA_SCONTROL_IPM_NO_LP_ALLOWED) +#define MVSATA_PORT_USE \ + (MVSATA_SCONTROL_DET_NONE|MVSATA_SCONTROL_IPM_NO_LP_ALLOWED) +#define MVSATA_SSTATUS_DET_MASK 0x0000000F +#define MVSATA_SSTATUS_DET_DEVCOMM 0x00000003 + +/* + * Initialize one MVSATAHC port: set SControl's IPM to "always active" + * and DET to "reset", then wait for SStatus's DET to become "device and + * comm ok" (or time out after 50 us if no device), then set SControl's + * DET back to "no action". + */ + +static void mvsata_ide_initialize_port(struct mvsata_port_registers *port) +{ + u32 control; + u32 status; + u32 tout = 50; /* wait at most 50 us for SATA reset to complete */ + + control = readl(&port->scontrol); + control = (control & ~MVSATA_SCONTROL_MASK) | MVSATA_PORT_INIT; + writel(control, &port->scontrol); + while (--tout) { + status = readl(&port->sstatus) & MVSATA_SSTATUS_DET_MASK; + if (status == MVSATA_SSTATUS_DET_DEVCOMM) + break; + udelay(1); + } + control = (control & ~MVSATA_SCONTROL_MASK) | MVSATA_PORT_USE; + writel(control, &port->scontrol); +} + +/* + * ide_preinit() will be called by ide_init in cmd_ide.c and will + * reset the MVSTATHC ports needed by the board. + */ + +int ide_preinit(void) +{ + /* Enable ATA port 0 (could be SATA port 0 or 1) if declared */ +#if defined(CONFIG_SYS_ATA_IDE0_OFFSET) + mvsata_ide_initialize_port( + (struct mvsata_port_registers *) + (CONFIG_SYS_ATA_BASE_ADDR + CONFIG_SYS_ATA_IDE0_OFFSET)); +#endif + /* Enable ATA port 1 (could be SATA port 0 or 1) if declared */ +#if defined(CONFIG_SYS_ATA_IDE1_OFFSET) + mvsata_ide_initialize_port( + (struct mvsata_port_registers *) + (CONFIG_SYS_ATA_BASE_ADDR + CONFIG_SYS_ATA_IDE1_OFFSET)); +#endif + /* return 0 as we always succeed */ + return 0; +}

Add mvsata_ide and cmd_ide configuration in edminiv2 config

Signed-off-by: Albert Aribaud albert.aribaud@free.fr --- include/configs/edminiv2.h | 34 +++++++++++++++++++++++++++++++++- 1 files changed, 33 insertions(+), 1 deletions(-)

diff --git a/include/configs/edminiv2.h b/include/configs/edminiv2.h index 055931c..57dd165 100644 --- a/include/configs/edminiv2.h +++ b/include/configs/edminiv2.h @@ -60,7 +60,7 @@

#define ORION5X_MPP0_7 0x00000003 #define ORION5X_MPP8_15 0x55550000 -#define ORION5X_MPP16_23 0x00000000 +#define ORION5X_MPP16_23 0x00005555

/* * Board-specific values for Orion5x GPIO low level init: @@ -131,6 +131,7 @@ * Commands configuration - using default command set for now */ #include <config_cmd_default.h> +#define CONFIG_CMD_IDE

/* * Network @@ -150,6 +151,37 @@ #endif

/* + * IDE + */ +#ifdef CONFIG_CMD_IDE +#define __io +#define CONFIG_IDE_PREINIT +#define CONFIG_DOS_PARTITION +#define CONFIG_CMD_EXT2 +/* ED Mini V has an IDE-compatible SATA connector for port 1 */ +#define CONFIG_MVSATA_IDE +#define CONFIG_MVSATA_IDE_USE_PORT1 +/* Needs byte-swapping for ATA data register */ +#define CONFIG_IDE_SWAP_IO +/* Data, registers and alternate blocks are at the same offset */ +#define CONFIG_SYS_ATA_DATA_OFFSET (0x0100) +#define CONFIG_SYS_ATA_REG_OFFSET (0x0100) +#define CONFIG_SYS_ATA_ALT_OFFSET (0x0100) +/* Each 8-bit ATA register is aligned to a 4-bytes address */ +#define CONFIG_SYS_ATA_STRIDE 4 +/* Controller supports 48-bits LBA addressing */ +#define CONFIG_LBA48 +/* A single bus, a single device */ +#define CONFIG_SYS_IDE_MAXBUS 1 +#define CONFIG_SYS_IDE_MAXDEVICE 1 +/* ATA registers base is at SATA controller base */ +#define CONFIG_SYS_ATA_BASE_ADDR ORION5X_SATA_BASE +/* ATA bus 0 is orion5x port 1 on ED Mini V2 */ +#define CONFIG_SYS_ATA_IDE0_OFFSET ORION5X_SATA_PORT1_OFFSET +/* end of IDE defines */ +#endif /* CMD_IDE */ + +/* * Environment variables configurations */ #define CONFIG_ENV_IS_IN_FLASH 1