diff options
| author | Bin Meng <bmeng.cn@gmail.com> | 2016-02-01 01:40:45 -0800 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2016-02-05 12:47:21 +0800 |
| commit | 79d4eb627cffbc3ab7cefdd623fa39fefaaedbe7 (patch) | |
| tree | 10b2756494ba0b3d3a0967f1ef82380689612e51 /drivers/pch | |
| parent | ec2af6f82d4ee07fa19877e2bb2e5c80d8d6962b (diff) | |
| download | u-boot-79d4eb627cffbc3ab7cefdd623fa39fefaaedbe7.tar.gz | |
dm: pch: Add get_io_base op
On some newer chipset (eg: BayTrail), there is an IO base address
register on the PCH device which configures the base address of a
memory-mapped I/O controller.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/pch')
| -rw-r--r-- | drivers/pch/pch-uclass.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/pch/pch-uclass.c b/drivers/pch/pch-uclass.c index 48a3965a76..7216660a24 100644 --- a/drivers/pch/pch-uclass.c +++ b/drivers/pch/pch-uclass.c @@ -44,6 +44,17 @@ int pch_get_gpio_base(struct udevice *dev, u32 *gbasep) return ops->get_gpio_base(dev, gbasep); } +int pch_get_io_base(struct udevice *dev, u32 *iobasep) +{ + struct pch_ops *ops = pch_get_ops(dev); + + *iobasep = 0; + if (!ops->get_io_base) + return -ENOSYS; + + return ops->get_io_base(dev, iobasep); +} + static int pch_uclass_post_bind(struct udevice *bus) { /* |