diff options
| author | Alexander Shiyan <shc_work@mail.ru> | 2012-04-18 22:25:10 +0400 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2012-04-18 20:43:38 +0200 |
| commit | 12b96ed87e9f2c50e98fbba35ead4c3e0b244ac4 (patch) | |
| tree | 198d7408d0d58d143040683fc4c9c64f8ee5513b /drivers | |
| parent | a7ddbc40865a8ffe716aca686763780febad575c (diff) | |
| download | barebox-12b96ed87e9f2c50e98fbba35ead4c3e0b244ac4.tar.gz barebox-12b96ed87e9f2c50e98fbba35ead4c3e0b244ac4.tar.xz | |
Allow use platform_ide driver without ALT-registers
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ata/intf_platform_ide.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/ata/intf_platform_ide.c b/drivers/ata/intf_platform_ide.c index 1955a9cb6c..af20e05ba2 100644 --- a/drivers/ata/intf_platform_ide.c +++ b/drivers/ata/intf_platform_ide.c @@ -64,10 +64,16 @@ static void platform_ide_setup_port(void *reg_base, void *alt_base, ioaddr->status_addr = reg_base + (IDE_REG_STATUS << shift); ioaddr->command_addr = reg_base + (IDE_REG_CMD << shift); - ioaddr->altstatus_addr = alt_base + (IDE_REG_ALT_STATUS << shift); - ioaddr->ctl_addr = alt_base + (IDE_REG_DEV_CTL << shift); - - ioaddr->alt_dev_addr = alt_base + (IDE_REG_DRV_ADDR << shift); + if (alt_base) { + ioaddr->altstatus_addr = alt_base + (IDE_REG_ALT_STATUS << shift); + ioaddr->ctl_addr = alt_base + (IDE_REG_DEV_CTL << shift); + + ioaddr->alt_dev_addr = alt_base + (IDE_REG_DRV_ADDR << shift); + } else { + ioaddr->altstatus_addr = ioaddr->status_addr; + ioaddr->ctl_addr = ioaddr->status_addr; + /* ioaddr->alt_dev_addr not used in driver */ + } } static int platform_ide_probe(struct device_d *dev) |