diff options
Diffstat (limited to 'target/linux/adm5120')
| -rw-r--r-- | target/linux/adm5120/files/drivers/ata/pata_rb153_cf.c | 45 |
1 files changed, 24 insertions, 21 deletions
diff --git a/target/linux/adm5120/files/drivers/ata/pata_rb153_cf.c b/target/linux/adm5120/files/drivers/ata/pata_rb153_cf.c index 6cb8e5558..7dd697721 100644 --- a/target/linux/adm5120/files/drivers/ata/pata_rb153_cf.c +++ b/target/linux/adm5120/files/drivers/ata/pata_rb153_cf.c @@ -2,7 +2,7 @@ * A low-level PATA driver to handle a Compact Flash connected on the * Mikrotik's RouterBoard 153 board. * - * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org> + * Copyright (C) 2007,2008 Gabor Juhos <juhosg at openwrt.org> * * This file was based on: drivers/ata/pata_ixp4xx_cf.c * Copyright (C) 2006-07 Tower Technologies @@ -32,7 +32,7 @@ #include <asm/gpio.h> #define DRV_NAME "pata-rb153-cf" -#define DRV_VERSION "0.3.0" +#define DRV_VERSION "0.4.0" #define DRV_DESC "PATA driver for RouterBOARD 153 Compact Flash" #define RB153_CF_MAXPORTS 1 @@ -43,6 +43,7 @@ #define RB153_CF_REG_DATA 0x0C00 struct rb153_cf_info { + unsigned int irq; void __iomem *iobase; unsigned int gpio_line; int frozen; @@ -52,12 +53,12 @@ struct rb153_cf_info { static inline void rb153_pata_finish_io(struct ata_port *ap) { - struct ata_host *ah = ap->host; + struct rb153_cf_info *info = ap->host->private_data; ata_altstatus(ap); ndelay(RB153_CF_IO_DELAY); - set_irq_type(ah->irq, IRQ_TYPE_LEVEL_HIGH); + set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH); } static void rb153_pata_exec_command(struct ata_port *ap, @@ -70,7 +71,7 @@ static void rb153_pata_exec_command(struct ata_port *ap, static void rb153_pata_data_xfer(struct ata_device *adev, unsigned char *buf, unsigned int buflen, int write_data) { - void __iomem *ioaddr = adev->ap->ioaddr.data_addr; + void __iomem *ioaddr = adev->link->ap->ioaddr.data_addr; if (write_data) { for (; buflen > 0; buflen--, buf++) @@ -80,7 +81,7 @@ static void rb153_pata_data_xfer(struct ata_device *adev, unsigned char *buf, *buf = readb(ioaddr); } - rb153_pata_finish_io(adev->ap); + rb153_pata_finish_io(adev->link->ap); } static void rb153_pata_freeze(struct ata_port *ap) @@ -103,11 +104,11 @@ static irqreturn_t rb153_pata_irq_handler(int irq, void *dev_instance) struct rb153_cf_info *info = ah->private_data; if (gpio_get_value(info->gpio_line)) { - set_irq_type(ah->irq, IRQ_TYPE_LEVEL_LOW); + set_irq_type(info->irq, IRQ_TYPE_LEVEL_LOW); if (!info->frozen) ata_interrupt(irq, dev_instance); } else { - set_irq_type(ah->irq, IRQ_TYPE_LEVEL_HIGH); + set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH); } return IRQ_HANDLED; @@ -123,8 +124,6 @@ static int rb153_pata_port_start(struct ata_port *ap) } static struct ata_port_operations rb153_pata_port_ops = { - .port_disable = ata_port_disable, - .tf_load = ata_tf_load, .tf_read = ata_tf_read, @@ -140,6 +139,7 @@ static struct ata_port_operations rb153_pata_port_ops = { .freeze = rb153_pata_freeze, .thaw = rb153_pata_thaw, .error_handler = ata_bmdma_error_handler, + .cable_detect = ata_cable_40wire, .irq_handler = rb153_pata_irq_handler, .irq_clear = rb153_pata_irq_clear, @@ -171,17 +171,9 @@ static struct scsi_host_template rb153_pata_sht = { /* ------------------------------------------------------------------------ */ -static void rb153_pata_setup_ports(struct ata_host *ah) +static void rb153_pata_setup_port(struct ata_port *ap, + struct rb153_cf_info *info, unsigned long raw_cmd) { - struct rb153_cf_info *info = ah->private_data; - struct ata_port *ap; - - ap = ah->ports[0]; - - ap->ops = &rb153_pata_port_ops; - ap->pio_mask = 0x1f; /* PIO4 */ - ap->flags = ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO; - ap->ioaddr.cmd_addr = info->iobase + RB153_CF_REG_CMD; ap->ioaddr.ctl_addr = info->iobase + RB153_CF_REG_CTRL; ap->ioaddr.altstatus_addr = info->iobase + RB153_CF_REG_CTRL; @@ -189,6 +181,9 @@ static void rb153_pata_setup_ports(struct ata_host *ah) ata_std_ports(&ap->ioaddr); ap->ioaddr.data_addr = info->iobase + RB153_CF_REG_DATA; + + ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", raw_cmd, + raw_cmd + RB153_CF_REG_CTRL); } static __devinit int rb153_pata_driver_probe(struct platform_device *pdev) @@ -197,6 +192,7 @@ static __devinit int rb153_pata_driver_probe(struct platform_device *pdev) int gpio; struct resource *res; struct ata_host *ah; + struct ata_port *ap; struct rb153_cf_info *info; int ret; @@ -237,6 +233,7 @@ static __devinit int rb153_pata_driver_probe(struct platform_device *pdev) ah->private_data = info; info->gpio_line = gpio; + info->irq = irq; info->iobase = devm_ioremap_nocache(&pdev->dev, res->start, res->end - res->start + 1); @@ -250,7 +247,13 @@ static __devinit int rb153_pata_driver_probe(struct platform_device *pdev) goto err_free_gpio; } - rb153_pata_setup_ports(ah); + ap = ah->ports[0]; + + ap->ops = &rb153_pata_port_ops; + ap->pio_mask = 0x1f; /* PIO4 */ + ap->flags = ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO; + + rb153_pata_setup_port(ap, info, res->start); ret = ata_host_activate(ah, irq, rb153_pata_irq_handler, IRQF_TRIGGER_LOW, &rb153_pata_sht); |