Sorry, word wrap in my last email. So, send again.
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(b
