[PATCH try 4] [libata] libata driver for bf548 on chip ATAPI controller.
Finally. This driver is for bf548 on chip ATAPI controller. Both PIO 4 and UDMA5 mode are enabled. Signed-off-by: Sonic Zhang <[EMAIL PROTECTED]> --- drivers/ata/Kconfig | 28 + drivers/ata/Makefile |1 + drivers/ata/pata_bf54x.c | 1585 ++ 3 files changed, 1614 insertions(+), 0 deletions(-) create mode 100644 drivers/ata/pata_bf54x.c diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index b4a8d60..e679f04 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -583,4 +583,32 @@ config PATA_SCC If unsure, say N. +config PATA_BF54X + tristate "Blackfin 54x ATAPI support" + depends on BF542 || BF548 || BF549 + help + This option enables support for the built-in ATAPI controller on + Blackfin 54x family chips. + + If unsure, say N. + +choice + prompt "Blackfin 54x ATAPI mode" + depends on PATA_BF54X + default PATA_BF54X_DMA + help + This option selects bf54x ATAPI controller working mode. + +config PATA_BF54X_PIO + bool "PIO mode" + help + Blackfin ATAPI controller works under PIO mode. + +config PATA_BF54X_DMA + bool "DMA mode" + help + Blackfin ATAPI controller works under DMA mode. + +endchoice + endif # ATA diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile index 8149c68..c2ecba5 100644 --- a/drivers/ata/Makefile +++ b/drivers/ata/Makefile @@ -61,6 +61,7 @@ obj-$(CONFIG_PATA_SIS)+= pata_sis.o obj-$(CONFIG_PATA_TRIFLEX) += pata_triflex.o obj-$(CONFIG_PATA_IXP4XX_CF) += pata_ixp4xx_cf.o obj-$(CONFIG_PATA_SCC) += pata_scc.o +obj-$(CONFIG_PATA_BF54X) += pata_bf54x.o obj-$(CONFIG_PATA_PLATFORM)+= pata_platform.o obj-$(CONFIG_PATA_ICSIDE) += pata_icside.o # Should be last but one libata driver diff --git a/drivers/ata/pata_bf54x.c b/drivers/ata/pata_bf54x.c new file mode 100644 index 000..e1236ea --- /dev/null +++ b/drivers/ata/pata_bf54x.c @@ -0,0 +1,1585 @@ +/* + * File: drivers/ata/pata_bf54x.c + * Author: Sonic Zhang <[EMAIL PROTECTED]> + * + * Created: + * Description: ATAPI Driver for blackfin 54x + * + * Modified: + * Copyright 2007 Analog Devices Inc. + * + * Bugs: Enter bugs at http://blackfin.uclinux.org/ + * + * 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, see the file COPYING, or write + * to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define DRV_NAME "bf54x-atapi" +#define DRV_VERSION"0.6" + +#define ATA_REG_CTRL 0x0E +#define ATA_REG_ALTSTATUS ATA_REG_CTRL + +#define ATAPI_OFFSET_CONTROL 0x00 +#define ATAPI_OFFSET_STATUS0x04 +#define ATAPI_OFFSET_DEV_ADDR 0x08 +#define ATAPI_OFFSET_DEV_TXBUF 0x0c +#define ATAPI_OFFSET_DEV_RXBUF 0x10 +#define ATAPI_OFFSET_INT_MASK 0x14 +#define ATAPI_OFFSET_INT_STATUS0x18 +#define ATAPI_OFFSET_XFER_LEN 0x1c +#define ATAPI_OFFSET_LINE_STATUS 0x20 +#define ATAPI_OFFSET_SM_STATE 0x24 +#define ATAPI_OFFSET_TERMINATE 0x28 +#define ATAPI_OFFSET_PIO_TFRCNT0x2c +#define ATAPI_OFFSET_DMA_TFRCNT0x30 +#define ATAPI_OFFSET_UMAIN_TFRCNT 0x34 +#define ATAPI_OFFSET_UDMAOUT_TFRCNT0x38 +#define ATAPI_OFFSET_REG_TIM_0 0x40 +#define ATAPI_OFFSET_PIO_TIM_0 0x44 +#define ATAPI_OFFSET_PIO_TIM_1 0x48 +#define ATAPI_OFFSET_MULTI_TIM_0 0x50 +#define ATAPI_OFFSET_MULTI_TIM_1 0x54 +#define ATAPI_OFFSET_MULTI_TIM_2 0x58 +#define ATAPI_OFFSET_ULTRA_TIM_0 0x60 +#define ATAPI_OFFSET_ULTRA_TIM_1 0x64 +#define ATAPI_OFFSET_ULTRA_TIM_2 0x68 +#define ATAPI_OFFSET_ULTRA_TIM_3 0x6c + + +#define ATAPI_GET_CONTROL(base)\ + bfin_read16(base + ATAPI_OFFSET_CONTROL) +#define ATAPI_SET_CONTROL(base, val)\ + bfin_write16(base + ATAPI_OFFSET_CONTROL, val) +#define ATAPI_GET_STATUS(base)\ + bfin_read16(base + ATAPI_OFFSET_STATUS) +#define ATAPI_GET_DEV_ADDR(base)\ + bfin_read16(base + ATAPI_OFFSET_DEV_ADDR) +#define ATAPI_SET_DEV_ADDR(base, val)\ + bfin_write16(base +
[PATCH try 4] [libata] libata driver for bf548 on chip ATAPI controller.
Finally. This driver is for bf548 on chip ATAPI controller. Both PIO 4 and UDMA5 mode are enabled. Signed-off-by: Sonic Zhang [EMAIL PROTECTED] --- drivers/ata/Kconfig | 28 + drivers/ata/Makefile |1 + drivers/ata/pata_bf54x.c | 1585 ++ 3 files changed, 1614 insertions(+), 0 deletions(-) create mode 100644 drivers/ata/pata_bf54x.c diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index b4a8d60..e679f04 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -583,4 +583,32 @@ config PATA_SCC If unsure, say N. +config PATA_BF54X + tristate Blackfin 54x ATAPI support + depends on BF542 || BF548 || BF549 + help + This option enables support for the built-in ATAPI controller on + Blackfin 54x family chips. + + If unsure, say N. + +choice + prompt Blackfin 54x ATAPI mode + depends on PATA_BF54X + default PATA_BF54X_DMA + help + This option selects bf54x ATAPI controller working mode. + +config PATA_BF54X_PIO + bool PIO mode + help + Blackfin ATAPI controller works under PIO mode. + +config PATA_BF54X_DMA + bool DMA mode + help + Blackfin ATAPI controller works under DMA mode. + +endchoice + endif # ATA diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile index 8149c68..c2ecba5 100644 --- a/drivers/ata/Makefile +++ b/drivers/ata/Makefile @@ -61,6 +61,7 @@ obj-$(CONFIG_PATA_SIS)+= pata_sis.o obj-$(CONFIG_PATA_TRIFLEX) += pata_triflex.o obj-$(CONFIG_PATA_IXP4XX_CF) += pata_ixp4xx_cf.o obj-$(CONFIG_PATA_SCC) += pata_scc.o +obj-$(CONFIG_PATA_BF54X) += pata_bf54x.o obj-$(CONFIG_PATA_PLATFORM)+= pata_platform.o obj-$(CONFIG_PATA_ICSIDE) += pata_icside.o # Should be last but one libata driver diff --git a/drivers/ata/pata_bf54x.c b/drivers/ata/pata_bf54x.c new file mode 100644 index 000..e1236ea --- /dev/null +++ b/drivers/ata/pata_bf54x.c @@ -0,0 +1,1585 @@ +/* + * File: drivers/ata/pata_bf54x.c + * Author: Sonic Zhang [EMAIL PROTECTED] + * + * Created: + * Description: ATAPI Driver for blackfin 54x + * + * Modified: + * Copyright 2007 Analog Devices Inc. + * + * Bugs: Enter bugs at http://blackfin.uclinux.org/ + * + * 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, see the file COPYING, or write + * to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include linux/kernel.h +#include linux/module.h +#include linux/pci.h +#include linux/init.h +#include linux/blkdev.h +#include linux/delay.h +#include linux/device.h +#include scsi/scsi_host.h +#include linux/libata.h +#include linux/platform_device.h +#include asm/dma.h +#include asm/gpio.h +#include asm/portmux.h + +#define DRV_NAME bf54x-atapi +#define DRV_VERSION0.6 + +#define ATA_REG_CTRL 0x0E +#define ATA_REG_ALTSTATUS ATA_REG_CTRL + +#define ATAPI_OFFSET_CONTROL 0x00 +#define ATAPI_OFFSET_STATUS0x04 +#define ATAPI_OFFSET_DEV_ADDR 0x08 +#define ATAPI_OFFSET_DEV_TXBUF 0x0c +#define ATAPI_OFFSET_DEV_RXBUF 0x10 +#define ATAPI_OFFSET_INT_MASK 0x14 +#define ATAPI_OFFSET_INT_STATUS0x18 +#define ATAPI_OFFSET_XFER_LEN 0x1c +#define ATAPI_OFFSET_LINE_STATUS 0x20 +#define ATAPI_OFFSET_SM_STATE 0x24 +#define ATAPI_OFFSET_TERMINATE 0x28 +#define ATAPI_OFFSET_PIO_TFRCNT0x2c +#define ATAPI_OFFSET_DMA_TFRCNT0x30 +#define ATAPI_OFFSET_UMAIN_TFRCNT 0x34 +#define ATAPI_OFFSET_UDMAOUT_TFRCNT0x38 +#define ATAPI_OFFSET_REG_TIM_0 0x40 +#define ATAPI_OFFSET_PIO_TIM_0 0x44 +#define ATAPI_OFFSET_PIO_TIM_1 0x48 +#define ATAPI_OFFSET_MULTI_TIM_0 0x50 +#define ATAPI_OFFSET_MULTI_TIM_1 0x54 +#define ATAPI_OFFSET_MULTI_TIM_2 0x58 +#define ATAPI_OFFSET_ULTRA_TIM_0 0x60 +#define ATAPI_OFFSET_ULTRA_TIM_1 0x64 +#define ATAPI_OFFSET_ULTRA_TIM_2 0x68 +#define ATAPI_OFFSET_ULTRA_TIM_3 0x6c + + +#define ATAPI_GET_CONTROL(base)\ + bfin_read16(base + ATAPI_OFFSET_CONTROL) +#define ATAPI_SET_CONTROL(base, val)\ + bfin_write16(base + ATAPI_OFFSET_CONTROL, val) +#define ATAPI_GET_STATUS(base)\ + bfin_read16(base +
