diff options
Diffstat (limited to 'arch/x86/cpu/broadwell/pch.c')
| -rw-r--r-- | arch/x86/cpu/broadwell/pch.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/x86/cpu/broadwell/pch.c b/arch/x86/cpu/broadwell/pch.c index 73d3d3b515..e61efa7b16 100644 --- a/arch/x86/cpu/broadwell/pch.c +++ b/arch/x86/cpu/broadwell/pch.c @@ -630,10 +630,35 @@ static int broadwell_get_gpio_base(struct udevice *dev, u32 *gbasep) return 0; } +static int broadwell_ioctl(struct udevice *dev, enum pch_req_t req, void *data, + int size) +{ + switch (req) { + case PCH_REQ_PMBASE_INFO: { + struct pch_pmbase_info *pm = data; + int ret; + + /* Find the base address of the powermanagement registers */ + ret = dm_pci_read_config16(dev, 0x40, &pm->base); + if (ret) + return ret; + pm->base &= 0xfffe; + pm->gpio0_en_ofs = GPE0_EN(0); + pm->pm1_sts_ofs = PM1_STS; + pm->pm1_cnt_ofs = PM1_CNT; + + return 0; + } + default: + return -ENOSYS; + } +} + static const struct pch_ops broadwell_pch_ops = { .get_spi_base = broadwell_pch_get_spi_base, .set_spi_protect = broadwell_set_spi_protect, .get_gpio_base = broadwell_get_gpio_base, + .ioctl = broadwell_ioctl, }; static const struct udevice_id broadwell_pch_ids[] = { |