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|
From 664b026d713459f7af0d4eb8dce3a7ba4b236509 Mon Sep 17 00:00:00 2001
From: Matthieu Crapet <mcrapet@gmail.com>
Date: Sun, 17 Jan 2010 18:05:25 +0100
Subject: [PATCH 10/16] ts72xx_pata
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Petr Štetiar <ynezz@true.cz>
---
drivers/ata/Kconfig | 18 +++++
drivers/ata/Makefile | 3 +
drivers/ata/pata_ts7200_cf.c | 85 +++++++++++++++++++++++
drivers/ata/pata_ts72xx.c | 155 ++++++++++++++++++++++++++++++++++++++++++
drivers/ata/pata_ts9600.c | 88 ++++++++++++++++++++++++
5 files changed, 349 insertions(+), 0 deletions(-)
create mode 100644 drivers/ata/pata_ts7200_cf.c
create mode 100644 drivers/ata/pata_ts72xx.c
create mode 100644 drivers/ata/pata_ts9600.c
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 56c6374..54b00d5 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -798,6 +798,24 @@ config PATA_MACIO
most PowerMac models. Some models have multiple busses using
different chipsets, though generally, MacIO is one of them.
+config PATA_TS72XX
+ bool "TS72XX ATA support"
+ depends on ARCH_EP93XX && MACH_TS72XX
+ help
+ This option enables support for ATA devices on Technologic Systems SBC.
+
+config PATA_TS7200_CF
+ tristate "TS7200 Compact Flash support"
+ depends on PATA_TS72XX
+ help
+ This option enables support for the compact flash control on
+ Technologic System TS-7200 SBC.
+
+config PATA_TS9600
+ tristate "TS9600 IDE interface support"
+ depends on PATA_TS72XX && BLK_DEV_IDE_TS9600 != y
+ help
+ This option enables support for Technologic Systems TS-9600 PC/104 IDE interface.
endif # ATA_SFF
endif # ATA
diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile
index fc936d4..183ce00 100644
--- a/drivers/ata/Makefile
+++ b/drivers/ata/Makefile
@@ -79,6 +79,9 @@ obj-$(CONFIG_PATA_PLATFORM) += pata_platform.o
obj-$(CONFIG_PATA_AT91) += pata_at91.o
obj-$(CONFIG_PATA_OF_PLATFORM) += pata_of_platform.o
obj-$(CONFIG_PATA_ICSIDE) += pata_icside.o
+obj-$(CONFIG_PATA_TS72XX) += pata_ts72xx.o
+obj-$(CONFIG_PATA_TS7200_CF) += pata_ts7200_cf.o
+obj-$(CONFIG_PATA_TS9600) += pata_ts9600.o
# Should be last but two libata driver
obj-$(CONFIG_PATA_ACPI) += pata_acpi.o
# Should be last but one libata driver
diff --git a/drivers/ata/pata_ts7200_cf.c b/drivers/ata/pata_ts7200_cf.c
new file mode 100644
index 0000000..cc884b5
--- /dev/null
+++ b/drivers/ata/pata_ts7200_cf.c
@@ -0,0 +1,85 @@
+/*
+ * Technologic Systems TS-7200 Compact Flash PATA device driver.
+ *
+ * (c) Copyright 2008 Matthieu Crapet <mcrapet@gmail.com>
+ *
+ * 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.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/libata.h>
+#include <scsi/scsi_host.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <mach/ts72xx.h>
+
+#define DRV_NAME "pata_ts7200_cf"
+#define DRV_VERSION "0.2"
+
+static struct resource ts7200_cf_resources[] = {
+ [0] = {
+ .start = TS7200_CF_CMD_PHYS_BASE,
+ .end = TS7200_CF_CMD_PHYS_BASE + 8,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = TS7200_CF_AUX_PHYS_BASE,
+ .end = TS7200_CF_AUX_PHYS_BASE + 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [2] = {
+ .start = TS7200_CF_DATA_PHYS_BASE,
+ .end = TS7200_CF_DATA_PHYS_BASE + 2,
+ .flags = IORESOURCE_MEM,
+ },
+ [3] = {
+ .start = IRQ_EP93XX_EXT0, /* pin 103 of EP9301 */
+ .end = IRQ_EP93XX_EXT0,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+
+static struct platform_device ts7200_cf_device = {
+ .name = "ts72xx-ide",
+ .id = 0,
+ .dev = {
+ .dma_mask = &ts7200_cf_device.dev.coherent_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .num_resources = ARRAY_SIZE(ts7200_cf_resources),
+ .resource = ts7200_cf_resources,
+};
+
+
+static __init int pata_ts7200_cf_init(void)
+{
+ return (board_is_ts7200()) ? \
+ platform_device_register(&ts7200_cf_device) : -ENODEV;
+}
+
+static __exit void pata_ts7200_cf_exit(void)
+{
+ platform_device_unregister(&ts7200_cf_device);
+}
+
+module_init(pata_ts7200_cf_init);
+module_exit(pata_ts7200_cf_exit);
+
+MODULE_AUTHOR("Matthieu Crapet <mcrapet@gmail.com>");
+MODULE_DESCRIPTION("TS-7200 CF PATA device driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(DRV_VERSION);
diff --git a/drivers/ata/pata_ts72xx.c b/drivers/ata/pata_ts72xx.c
new file mode 100644
index 0000000..e96cee3
--- /dev/null
+++ b/drivers/ata/pata_ts72xx.c
@@ -0,0 +1,155 @@
+/*
+ * TS-72XX PATA driver for Technologic Systems boards.
+ *
+ * Based on pata_platform.c by Paul Mundt &
+ * Alessandro Zummo <a.zummo@towertech.it>
+ * and old pata-ts72xx.c by Alessandro Zummo <a.zummo@towertech.it>
+ *
+ * (c) Copyright 2008 Matthieu Crapet <mcrapet@gmail.com>
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <scsi/scsi_host.h>
+#include <linux/ata.h>
+#include <linux/libata.h>
+
+#define DRV_NAME "pata_ts72xx"
+#define DRV_VERSION "2.01"
+
+
+/*
+ * Provide our own set_mode() as we don't want to change anything that has
+ * already been configured..
+ */
+static int ts72xx_set_mode(struct ata_link *link, struct ata_device **unused)
+{
+ struct ata_device *dev;
+
+ ata_for_each_dev(dev, link, ENABLED) {
+ if (ata_dev_enabled(dev)) {
+ /* We don't really care */
+ dev->pio_mode = dev->xfer_mode = XFER_PIO_0;
+ dev->xfer_shift = ATA_SHIFT_PIO;
+ dev->flags |= ATA_DFLAG_PIO;
+ ata_dev_printk(dev, KERN_INFO, "configured for PIO\n");
+ }
+ }
+ return 0;
+}
+
+static struct scsi_host_template ts72xx_sht = {
+ ATA_PIO_SHT(DRV_NAME),
+};
+
+static struct ata_port_operations ts72xx_port_ops = {
+ .inherits = &ata_sff_port_ops,
+ .set_mode = ts72xx_set_mode,
+};
+
+static __devinit int ts72xx_pata_probe(struct platform_device *pdev)
+{
+ struct ata_host *host;
+ struct ata_port *ap;
+ int irq;
+
+ struct resource *pata_cmd = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ struct resource *pata_aux = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ struct resource *pata_data = platform_get_resource(pdev, IORESOURCE_MEM, 2);
+
+ if (!pata_cmd || !pata_aux || !pata_data) {
+ dev_err(&pdev->dev, "missing resource(s)\n");
+ return -EINVAL;
+ }
+
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0)
+ irq = 0; /* no irq */
+
+ /*
+ * Now that that's out of the way, wire up the port
+ */
+ host = ata_host_alloc(&pdev->dev, 1);
+ if (!host)
+ return -ENOMEM;
+ ap = host->ports[0];
+
+ ap->ops = &ts72xx_port_ops;
+ ap->pio_mask = 0x1f; /* PIO0-4 */
+ ap->flags |= ATA_FLAG_SLAVE_POSS;
+
+ /*
+ * Use polling mode if there's no IRQ
+ */
+ if (!irq) {
+ ap->flags |= ATA_FLAG_PIO_POLLING;
+ ata_port_desc(ap, "no IRQ, using PIO polling");
+ }
+
+ ap->ioaddr.cmd_addr = devm_ioremap(&pdev->dev, pata_cmd->start,
+ pata_cmd->end - pata_cmd->start + 1);
+ ap->ioaddr.ctl_addr = devm_ioremap(&pdev->dev, pata_aux->start,
+ pata_aux->end - pata_aux->start + 1);
+
+ if (!ap->ioaddr.cmd_addr || !ap->ioaddr.ctl_addr) {
+ dev_err(&pdev->dev, "failed to map IO/CTL base\n");
+ return -ENOMEM;
+ }
+
+ ap->ioaddr.altstatus_addr = ap->ioaddr.ctl_addr;
+
+ ata_sff_std_ports(&ap->ioaddr);
+ ap->ioaddr.data_addr = devm_ioremap(&pdev->dev, pata_data->start,
+ pata_data->end - pata_data->start + 1);
+
+ ata_port_desc(ap, "mmio cmd 0x%llx ctl 0x%llx",
+ (unsigned long long)pata_cmd->start,
+ (unsigned long long)pata_aux->start);
+
+ return ata_host_activate(host, irq, irq ? ata_sff_interrupt : NULL,
+ 0 /* irq flags */, &ts72xx_sht);
+}
+
+static __devexit int ts72xx_pata_remove(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct ata_host *host = dev_get_drvdata(dev);
+
+ ata_host_detach(host);
+
+ return 0;
+}
+
+static struct platform_driver ts72xx_pata_platform_driver = {
+ .probe = ts72xx_pata_probe,
+ .remove = __devexit_p(ts72xx_pata_remove),
+ .driver = {
+ .name = "ts72xx-ide",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init ts72xx_pata_init(void)
+{
+ return platform_driver_register(&ts72xx_pata_platform_driver);
+}
+
+static void __exit ts72xx_pata_exit(void)
+{
+ platform_driver_unregister(&ts72xx_pata_platform_driver);
+}
+
+MODULE_AUTHOR("Matthieu Crapet <mcrapet@gmail.com>");
+MODULE_DESCRIPTION("low-level driver for TS-72xx device PATA");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(DRV_VERSION);
+
+module_init(ts72xx_pata_init);
+module_exit(ts72xx_pata_exit);
diff --git a/drivers/ata/pata_ts9600.c b/drivers/ata/pata_ts9600.c
new file mode 100644
index 0000000..0eb485a
--- /dev/null
+++ b/drivers/ata/pata_ts9600.c
@@ -0,0 +1,88 @@
+/*
+ * Technologic Systems TS-9600 PATA device driver.
+ *
+ * (c) Copyright 2008 Matthieu Crapet <mcrapet@gmail.com>
+ *
+ * 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.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/libata.h>
+#include <scsi/scsi_host.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <mach/ts72xx.h>
+
+#define DRV_NAME "pata_ts9600"
+#define DRV_VERSION "0.2"
+
+#define TS9600_IDE_IO (TS72XX_PC104_8BIT_IO_PHYS_BASE + 0x1F0)
+#define TS9600_IDE_DATA (TS72XX_PC104_16BIT_IO_PHYS_BASE + 0x1F0)
+#define TS9600_IDE_IRQ IRQ_EP93XX_EXT3 // IRQ7 (no other possibility for arm)
+
+static struct resource ts9600_resources[] = {
+ [0] = {
+ .start = TS9600_IDE_IO,
+ .end = TS9600_IDE_IO + 8,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = TS9600_IDE_IO + 0x206,
+ .end = TS9600_IDE_IO + 0x206 + 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [2] = {
+ .start = TS9600_IDE_DATA,
+ .end = TS9600_IDE_DATA + 2,
+ .flags = IORESOURCE_MEM,
+ },
+ [3] = {
+ .start = TS9600_IDE_IRQ,
+ .end = TS9600_IDE_IRQ,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+
+static struct platform_device ts9600_device = {
+ .name = "ts72xx-ide",
+ .id = 9600,
+ .dev = {
+ .dma_mask = &ts9600_device.dev.coherent_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .num_resources = ARRAY_SIZE(ts9600_resources),
+ .resource = ts9600_resources,
+};
+
+
+static __init int pata_ts9600_init(void)
+{
+ return platform_device_register(&ts9600_device);
+}
+
+static __exit void pata_ts9600_exit(void)
+{
+ platform_device_unregister(&ts9600_device);
+}
+
+module_init(pata_ts9600_init);
+module_exit(pata_ts9600_exit);
+
+MODULE_AUTHOR("Matthieu Crapet <mcrapet@gmail.com>");
+MODULE_DESCRIPTION("TS-9600 PATA device driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(DRV_VERSION);
--
1.6.3.3
|