diff options
| author | Simon Glass <sjg@chromium.org> | 2016-01-17 16:11:21 -0700 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2016-01-24 12:08:16 +0800 |
| commit | fcd30cdfa8067525a6a2044f67f11d96b1a20b37 (patch) | |
| tree | 0906e7f65ec28ecfa0bb997789aa4416904d76fb /arch/x86/cpu/ivybridge/lpc.c | |
| parent | 17e0a9ab087e05f75075eb45251bd2011dd7d419 (diff) | |
x86: ivybridge: Move sandybridge init to the lpc probe() method
The watchdog can be reset later when probing the LPC after relocation.
Move it.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'arch/x86/cpu/ivybridge/lpc.c')
| -rw-r--r-- | arch/x86/cpu/ivybridge/lpc.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/arch/x86/cpu/ivybridge/lpc.c b/arch/x86/cpu/ivybridge/lpc.c index 9f41f22850..c88733dd3b 100644 --- a/arch/x86/cpu/ivybridge/lpc.c +++ b/arch/x86/cpu/ivybridge/lpc.c @@ -609,6 +609,23 @@ void lpc_enable(pci_dev_t dev) setbits_le32(RCB_REG(FD2), PCH_ENABLE_DBDF); } +static int bd82x6x_lpc_early_init(struct udevice *dev) +{ + /* Setting up Southbridge. In the northbridge code. */ + debug("Setting up static southbridge registers\n"); + dm_pci_write_config32(dev->parent, PCH_RCBA_BASE, DEFAULT_RCBA | 1); + dm_pci_write_config32(dev->parent, PMBASE, DEFAULT_PMBASE | 1); + + /* Enable ACPI BAR */ + dm_pci_write_config8(dev->parent, ACPI_CNTL, 0x80); + + debug("Disabling watchdog reboot\n"); + setbits_le32(RCB_REG(GCS), 1 >> 5); /* No reset */ + outw(1 << 11, DEFAULT_PMBASE | 0x60 | 0x08); /* halt timer */ + + return 0; +} + static int bd82x6x_lpc_probe(struct udevice *dev) { int ret; @@ -622,7 +639,7 @@ static int bd82x6x_lpc_probe(struct udevice *dev) return ret; } - return 0; + return bd82x6x_lpc_early_init(dev); } static const struct udevice_id bd82x6x_lpc_ids[] = { |