diff options
| author | Simon Glass <sjg@chromium.org> | 2016-01-17 23:11:35 (GMT) |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2016-01-24 04:09:39 (GMT) |
| commit | d46f2a68e64b14a54a120a4bab0781f8e11f07dd (patch) | |
| tree | ab7132c53631792adbf8481bd3613f82a3331bb7 /arch/x86/cpu/ivybridge/sata.c | |
| parent | e3b5f04143a859092d4e09f61e526790836714f2 (diff) | |
| download | u-boot-d46f2a68e64b14a54a120a4bab0781f8e11f07dd.tar.xz | |
x86: ivybridge: Do the SATA init before relocation
The SATA device needs to set itself up so that it appears correctly on the
PCI bus. The easiest way to do this is to set it up to probe before
relocation. This can do the early setup.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'arch/x86/cpu/ivybridge/sata.c')
| -rw-r--r-- | arch/x86/cpu/ivybridge/sata.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/arch/x86/cpu/ivybridge/sata.c b/arch/x86/cpu/ivybridge/sata.c index e7bf03c..c46ec3a 100644 --- a/arch/x86/cpu/ivybridge/sata.c +++ b/arch/x86/cpu/ivybridge/sata.c @@ -6,12 +6,15 @@ */ #include <common.h> +#include <dm.h> #include <fdtdec.h> #include <asm/io.h> #include <asm/pci.h> #include <asm/arch/pch.h> #include <asm/arch/bd82x6x.h> +DECLARE_GLOBAL_DATA_PTR; + static inline u32 sir_read(pci_dev_t dev, int idx) { x86_pci_write_config32(dev, SATA_SIRI, idx); @@ -206,7 +209,7 @@ void bd82x6x_sata_init(pci_dev_t dev, const void *blob, int node) pch_iobp_update(0xea00408a, 0xfffffcff, 0x00000100); } -void bd82x6x_sata_enable(pci_dev_t dev, const void *blob, int node) +static void bd82x6x_sata_enable(pci_dev_t dev, const void *blob, int node) { unsigned port_map; const char *mode; @@ -224,3 +227,23 @@ void bd82x6x_sata_enable(pci_dev_t dev, const void *blob, int node) map |= (port_map ^ 0x3f) << 8; x86_pci_write_config16(dev, 0x90, map); } + +static int bd82x6x_sata_probe(struct udevice *dev) +{ + if (!(gd->flags & GD_FLG_RELOC)) + bd82x6x_sata_enable(PCH_SATA_DEV, gd->fdt_blob, dev->of_offset); + + return 0; +} + +static const struct udevice_id bd82x6x_ahci_ids[] = { + { .compatible = "intel,pantherpoint-ahci" }, + { } +}; + +U_BOOT_DRIVER(ahci_ivybridge_drv) = { + .name = "ahci_ivybridge", + .id = UCLASS_DISK, + .of_match = bd82x6x_ahci_ids, + .probe = bd82x6x_sata_probe, +}; |