fix RB153 CompactFlash driver for .24
SVN-Revision: 10428
This commit is contained in:
parent
d187aba072
commit
68658843ab
1 changed files with 24 additions and 21 deletions
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@ -2,7 +2,7 @@
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* A low-level PATA driver to handle a Compact Flash connected on the
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* A low-level PATA driver to handle a Compact Flash connected on the
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* Mikrotik's RouterBoard 153 board.
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* Mikrotik's RouterBoard 153 board.
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*
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*
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* Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
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* Copyright (C) 2007,2008 Gabor Juhos <juhosg at openwrt.org>
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*
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*
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* This file was based on: drivers/ata/pata_ixp4xx_cf.c
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* This file was based on: drivers/ata/pata_ixp4xx_cf.c
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* Copyright (C) 2006-07 Tower Technologies
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* Copyright (C) 2006-07 Tower Technologies
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@ -32,7 +32,7 @@
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#include <asm/gpio.h>
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#include <asm/gpio.h>
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#define DRV_NAME "pata-rb153-cf"
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#define DRV_NAME "pata-rb153-cf"
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#define DRV_VERSION "0.3.0"
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#define DRV_VERSION "0.4.0"
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#define DRV_DESC "PATA driver for RouterBOARD 153 Compact Flash"
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#define DRV_DESC "PATA driver for RouterBOARD 153 Compact Flash"
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#define RB153_CF_MAXPORTS 1
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#define RB153_CF_MAXPORTS 1
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@ -43,6 +43,7 @@
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#define RB153_CF_REG_DATA 0x0C00
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#define RB153_CF_REG_DATA 0x0C00
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struct rb153_cf_info {
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struct rb153_cf_info {
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unsigned int irq;
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void __iomem *iobase;
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void __iomem *iobase;
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unsigned int gpio_line;
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unsigned int gpio_line;
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int frozen;
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int frozen;
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@ -52,12 +53,12 @@ struct rb153_cf_info {
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static inline void rb153_pata_finish_io(struct ata_port *ap)
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static inline void rb153_pata_finish_io(struct ata_port *ap)
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{
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{
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struct ata_host *ah = ap->host;
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struct rb153_cf_info *info = ap->host->private_data;
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ata_altstatus(ap);
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ata_altstatus(ap);
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ndelay(RB153_CF_IO_DELAY);
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ndelay(RB153_CF_IO_DELAY);
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set_irq_type(ah->irq, IRQ_TYPE_LEVEL_HIGH);
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set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH);
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}
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}
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static void rb153_pata_exec_command(struct ata_port *ap,
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static void rb153_pata_exec_command(struct ata_port *ap,
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@ -70,7 +71,7 @@ static void rb153_pata_exec_command(struct ata_port *ap,
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static void rb153_pata_data_xfer(struct ata_device *adev, unsigned char *buf,
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static void rb153_pata_data_xfer(struct ata_device *adev, unsigned char *buf,
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unsigned int buflen, int write_data)
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unsigned int buflen, int write_data)
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{
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{
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void __iomem *ioaddr = adev->ap->ioaddr.data_addr;
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void __iomem *ioaddr = adev->link->ap->ioaddr.data_addr;
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if (write_data) {
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if (write_data) {
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for (; buflen > 0; buflen--, buf++)
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for (; buflen > 0; buflen--, buf++)
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@ -80,7 +81,7 @@ static void rb153_pata_data_xfer(struct ata_device *adev, unsigned char *buf,
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*buf = readb(ioaddr);
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*buf = readb(ioaddr);
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}
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}
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rb153_pata_finish_io(adev->ap);
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rb153_pata_finish_io(adev->link->ap);
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}
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}
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static void rb153_pata_freeze(struct ata_port *ap)
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static void rb153_pata_freeze(struct ata_port *ap)
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@ -103,11 +104,11 @@ static irqreturn_t rb153_pata_irq_handler(int irq, void *dev_instance)
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struct rb153_cf_info *info = ah->private_data;
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struct rb153_cf_info *info = ah->private_data;
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if (gpio_get_value(info->gpio_line)) {
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if (gpio_get_value(info->gpio_line)) {
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set_irq_type(ah->irq, IRQ_TYPE_LEVEL_LOW);
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set_irq_type(info->irq, IRQ_TYPE_LEVEL_LOW);
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if (!info->frozen)
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if (!info->frozen)
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ata_interrupt(irq, dev_instance);
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ata_interrupt(irq, dev_instance);
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} else {
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} else {
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set_irq_type(ah->irq, IRQ_TYPE_LEVEL_HIGH);
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set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH);
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}
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}
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return IRQ_HANDLED;
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return IRQ_HANDLED;
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@ -123,8 +124,6 @@ static int rb153_pata_port_start(struct ata_port *ap)
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}
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}
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static struct ata_port_operations rb153_pata_port_ops = {
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static struct ata_port_operations rb153_pata_port_ops = {
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.port_disable = ata_port_disable,
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.tf_load = ata_tf_load,
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.tf_load = ata_tf_load,
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.tf_read = ata_tf_read,
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.tf_read = ata_tf_read,
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@ -140,6 +139,7 @@ static struct ata_port_operations rb153_pata_port_ops = {
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.freeze = rb153_pata_freeze,
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.freeze = rb153_pata_freeze,
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.thaw = rb153_pata_thaw,
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.thaw = rb153_pata_thaw,
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.error_handler = ata_bmdma_error_handler,
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.error_handler = ata_bmdma_error_handler,
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.cable_detect = ata_cable_40wire,
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.irq_handler = rb153_pata_irq_handler,
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.irq_handler = rb153_pata_irq_handler,
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.irq_clear = rb153_pata_irq_clear,
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.irq_clear = rb153_pata_irq_clear,
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@ -171,17 +171,9 @@ static struct scsi_host_template rb153_pata_sht = {
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/* ------------------------------------------------------------------------ */
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/* ------------------------------------------------------------------------ */
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static void rb153_pata_setup_ports(struct ata_host *ah)
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static void rb153_pata_setup_port(struct ata_port *ap,
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struct rb153_cf_info *info, unsigned long raw_cmd)
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{
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{
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struct rb153_cf_info *info = ah->private_data;
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struct ata_port *ap;
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ap = ah->ports[0];
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ap->ops = &rb153_pata_port_ops;
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ap->pio_mask = 0x1f; /* PIO4 */
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ap->flags = ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO;
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ap->ioaddr.cmd_addr = info->iobase + RB153_CF_REG_CMD;
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ap->ioaddr.cmd_addr = info->iobase + RB153_CF_REG_CMD;
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ap->ioaddr.ctl_addr = info->iobase + RB153_CF_REG_CTRL;
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ap->ioaddr.ctl_addr = info->iobase + RB153_CF_REG_CTRL;
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ap->ioaddr.altstatus_addr = info->iobase + RB153_CF_REG_CTRL;
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ap->ioaddr.altstatus_addr = info->iobase + RB153_CF_REG_CTRL;
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@ -189,6 +181,9 @@ static void rb153_pata_setup_ports(struct ata_host *ah)
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ata_std_ports(&ap->ioaddr);
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ata_std_ports(&ap->ioaddr);
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ap->ioaddr.data_addr = info->iobase + RB153_CF_REG_DATA;
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ap->ioaddr.data_addr = info->iobase + RB153_CF_REG_DATA;
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ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", raw_cmd,
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raw_cmd + RB153_CF_REG_CTRL);
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}
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}
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static __devinit int rb153_pata_driver_probe(struct platform_device *pdev)
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static __devinit int rb153_pata_driver_probe(struct platform_device *pdev)
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@ -197,6 +192,7 @@ static __devinit int rb153_pata_driver_probe(struct platform_device *pdev)
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int gpio;
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int gpio;
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struct resource *res;
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struct resource *res;
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struct ata_host *ah;
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struct ata_host *ah;
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struct ata_port *ap;
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struct rb153_cf_info *info;
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struct rb153_cf_info *info;
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int ret;
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int ret;
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@ -237,6 +233,7 @@ static __devinit int rb153_pata_driver_probe(struct platform_device *pdev)
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ah->private_data = info;
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ah->private_data = info;
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info->gpio_line = gpio;
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info->gpio_line = gpio;
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info->irq = irq;
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info->iobase = devm_ioremap_nocache(&pdev->dev, res->start,
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info->iobase = devm_ioremap_nocache(&pdev->dev, res->start,
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res->end - res->start + 1);
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res->end - res->start + 1);
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@ -250,7 +247,13 @@ static __devinit int rb153_pata_driver_probe(struct platform_device *pdev)
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goto err_free_gpio;
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goto err_free_gpio;
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}
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}
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rb153_pata_setup_ports(ah);
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ap = ah->ports[0];
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ap->ops = &rb153_pata_port_ops;
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ap->pio_mask = 0x1f; /* PIO4 */
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ap->flags = ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO;
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rb153_pata_setup_port(ap, info, res->start);
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ret = ata_host_activate(ah, irq, rb153_pata_irq_handler,
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ret = ata_host_activate(ah, irq, rb153_pata_irq_handler,
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IRQF_TRIGGER_LOW, &rb153_pata_sht);
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IRQF_TRIGGER_LOW, &rb153_pata_sht);
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