diff options
| author | Simon Glass <sjg@chromium.org> | 2023-05-04 16:50:49 -0600 |
|---|---|---|
| committer | Bin Meng <bmeng@tinylab.org> | 2023-05-11 10:25:29 +0800 |
| commit | 5b465beac634d65ca5097568a8f4e9e1d61013e2 (patch) | |
| tree | 62dda0957518bf1ffdc5988b02a06c3b1509761c /arch/x86/cpu | |
| parent | dafbfe83e04c17d304129b709ec6305acd616aac (diff) | |
| download | u-boot-5b465beac634d65ca5097568a8f4e9e1d61013e2.tar.gz | |
x86: ivybridge: Ensure LPC is available for GPIO base
The bd82x6x_get_gpio_base() does not work if the LPC is not set up.
Probe it early to avoid this problem.
In chromebook_link64 this problem shows up as an inability to read
the GPIO straps for the memory type.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'arch/x86/cpu')
| -rw-r--r-- | arch/x86/cpu/ivybridge/bd82x6x.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/arch/x86/cpu/ivybridge/bd82x6x.c b/arch/x86/cpu/ivybridge/bd82x6x.c index 89312a86349..417290f559e 100644 --- a/arch/x86/cpu/ivybridge/bd82x6x.c +++ b/arch/x86/cpu/ivybridge/bd82x6x.c @@ -31,7 +31,6 @@ DECLARE_GLOBAL_DATA_PTR; #define RCBA_AUDIO_CONFIG_HDA BIT(31) #define RCBA_AUDIO_CONFIG_MASK 0xfe -#ifndef CONFIG_HAVE_FSP static int pch_revision_id = -1; static int pch_type = -1; @@ -162,15 +161,19 @@ void pch_iobp_update(struct udevice *dev, u32 address, u32 andvalue, static int bd82x6x_probe(struct udevice *dev) { - if (!(gd->flags & GD_FLG_RELOC)) - return 0; + /* make sure the LPC is inited since it provides the gpio base */ + uclass_first_device(UCLASS_LPC, &dev); + + if (!IS_ENABLED(CONFIG_HAVE_FSP)) { + if (!(gd->flags & GD_FLG_RELOC)) + return 0; - /* Cause the SATA device to do its init */ - uclass_first_device(UCLASS_AHCI, &dev); + /* Cause the SATA device to do its init */ + uclass_first_device(UCLASS_AHCI, &dev); + } return 0; } -#endif /* CONFIG_HAVE_FSP */ static int bd82x6x_pch_get_spi_base(struct udevice *dev, ulong *sbasep) { @@ -269,8 +272,6 @@ U_BOOT_DRIVER(bd82x6x_drv) = { .name = "bd82x6x", .id = UCLASS_PCH, .of_match = bd82x6x_ids, -#ifndef CONFIG_HAVE_FSP .probe = bd82x6x_probe, -#endif .ops = &bd82x6x_pch_ops, }; |