diff options
| -rw-r--r-- | arch/x86/cpu/ivybridge/cpu.c | 2 | ||||
| -rw-r--r-- | arch/x86/cpu/ivybridge/lpc.c | 13 | ||||
| -rw-r--r-- | arch/x86/dts/chromebook_link.dts | 70 | ||||
| -rw-r--r-- | include/fdtdec.h | 1 | ||||
| -rw-r--r-- | lib/fdtdec.c | 3 |
5 files changed, 55 insertions, 34 deletions
diff --git a/arch/x86/cpu/ivybridge/cpu.c b/arch/x86/cpu/ivybridge/cpu.c index 2639ec2413..37f373148c 100644 --- a/arch/x86/cpu/ivybridge/cpu.c +++ b/arch/x86/cpu/ivybridge/cpu.c @@ -142,7 +142,7 @@ int arch_cpu_init_dm(void) /* TODO(sjg@chromium.org): Get rid of gd->hose */ gd->hose = hose; - node = fdtdec_next_compatible(blob, 0, COMPAT_INTEL_LPC); + node = fdtdec_next_compatible(blob, 0, COMPAT_INTEL_PCH); if (node < 0) return -ENOENT; ret = lpc_early_init(gd->fdt_blob, node, PCH_LPC_DEV); diff --git a/arch/x86/cpu/ivybridge/lpc.c b/arch/x86/cpu/ivybridge/lpc.c index c20e180329..bc1a0f06fb 100644 --- a/arch/x86/cpu/ivybridge/lpc.c +++ b/arch/x86/cpu/ivybridge/lpc.c @@ -510,7 +510,7 @@ int lpc_init(struct pci_controller *hose, pci_dev_t dev) pci_write_bar32(hose, dev, 3, 0x800); pci_write_bar32(hose, dev, 4, 0x900); - node = fdtdec_next_compatible(blob, 0, COMPAT_INTEL_LPC); + node = fdtdec_next_compatible(blob, 0, COMPAT_INTEL_PCH); if (node < 0) return -ENOENT; @@ -568,3 +568,14 @@ void lpc_enable(pci_dev_t dev) writew(0x0010, RCB_REG(DISPBDF)); setbits_le32(RCB_REG(FD2), PCH_ENABLE_DBDF); } + +static const struct udevice_id bd82x6x_lpc_ids[] = { + { .compatible = "intel,bd82x6x-lpc" }, + { } +}; + +U_BOOT_DRIVER(bd82x6x_lpc_drv) = { + .name = "lpc", + .id = UCLASS_LPC, + .of_match = bd82x6x_lpc_ids, +}; diff --git a/arch/x86/dts/chromebook_link.dts b/arch/x86/dts/chromebook_link.dts index 0a845f2971..b450c3c55f 100644 --- a/arch/x86/dts/chromebook_link.dts +++ b/arch/x86/dts/chromebook_link.dts @@ -8,7 +8,7 @@ compatible = "google,link", "intel,celeron-ivybridge"; aliases { - spi0 = "/spi"; + spi0 = "/pci/pch/spi"; }; config { @@ -151,26 +151,6 @@ }; }; - spi { - #address-cells = <1>; - #size-cells = <0>; - compatible = "intel,ich-spi"; - spi-flash@0 { - #size-cells = <1>; - #address-cells = <1>; - reg = <0>; - compatible = "winbond,w25q64", "spi-flash"; - memory-map = <0xff800000 0x00800000>; - rw-mrc-cache { - label = "rw-mrc-cache"; - /* Alignment: 4k (for updating) */ - reg = <0x003e0000 0x00010000>; - type = "wiped"; - wipe-value = [ff]; - }; - }; - }; - pci { compatible = "intel,pci-ivybridge", "pci-x86"; #address-cells = <3>; @@ -199,9 +179,10 @@ intel,pch-backlight = <0x04000000>; }; - lpc { + pch { reg = <0x0000f800 0 0 0 0>; compatible = "intel,bd82x6x"; + u-boot,dm-pre-reloc; #address-cells = <1>; #size-cells = <1>; gen-dec = <0x800 0xfc 0x900 0xfc>; @@ -212,17 +193,44 @@ 1 0 0 0 0 0 0 0>; /* Enable EC SMI source */ intel,alt-gp-smi-enable = <0x0100>; + spi { + #address-cells = <1>; + #size-cells = <0>; + compatible = "intel,ich-spi"; + spi-flash@0 { + #size-cells = <1>; + #address-cells = <1>; + reg = <0>; + compatible = "winbond,w25q64", + "spi-flash"; + memory-map = <0xff800000 0x00800000>; + rw-mrc-cache { + label = "rw-mrc-cache"; + reg = <0x003e0000 0x00010000>; + type = "wiped"; + wipe-value = [ff]; + }; + }; + }; - cros-ec@200 { - compatible = "google,cros-ec"; - reg = <0x204 1 0x200 1 0x880 0x80>; - - /* Describes the flash memory within the EC */ + lpc { + compatible = "intel,bd82x6x-lpc"; #address-cells = <1>; - #size-cells = <1>; - flash@8000000 { - reg = <0x08000000 0x20000>; - erase-value = <0xff>; + #size-cells = <0>; + cros-ec@200 { + compatible = "google,cros-ec"; + reg = <0x204 1 0x200 1 0x880 0x80>; + + /* + * Describes the flash memory within + * the EC + */ + #address-cells = <1>; + #size-cells = <1>; + flash@8000000 { + reg = <0x08000000 0x20000>; + erase-value = <0xff>; + }; }; }; }; diff --git a/include/fdtdec.h b/include/fdtdec.h index c39ad90f02..e45e2ab980 100644 --- a/include/fdtdec.h +++ b/include/fdtdec.h @@ -169,6 +169,7 @@ enum fdt_compat_id { COMPAT_INTEL_ICH_SPI, /* Intel ICH7/9 SPI controller */ COMPAT_INTEL_QRK_MRC, /* Intel Quark MRC */ COMPAT_SOCIONEXT_XHCI, /* Socionext UniPhier xHCI */ + COMPAT_INTEL_PCH, /* Intel PCH */ COMPAT_COUNT, }; diff --git a/lib/fdtdec.c b/lib/fdtdec.c index 9fcc1bbea5..6d7a251bc2 100644 --- a/lib/fdtdec.c +++ b/lib/fdtdec.c @@ -67,7 +67,7 @@ static const char * const compat_names[COMPAT_COUNT] = { COMPAT(COMPAT_NXP_PTN3460, "nxp,ptn3460"), COMPAT(SAMSUNG_EXYNOS_SYSMMU, "samsung,sysmmu-v3.3"), COMPAT(PARADE_PS8625, "parade,ps8625"), - COMPAT(COMPAT_INTEL_LPC, "intel,bd82x6x"), + COMPAT(COMPAT_INTEL_LPC, "intel,bd82x6x-lpc"), COMPAT(INTEL_MICROCODE, "intel,microcode"), COMPAT(MEMORY_SPD, "memory-spd"), COMPAT(INTEL_PANTHERPOINT_AHCI, "intel,pantherpoint-ahci"), @@ -77,6 +77,7 @@ static const char * const compat_names[COMPAT_COUNT] = { COMPAT(INTEL_ICH_SPI, "intel,ich-spi"), COMPAT(INTEL_QRK_MRC, "intel,quark-mrc"), COMPAT(SOCIONEXT_XHCI, "socionext,uniphier-xhci"), + COMPAT(COMPAT_INTEL_PCH, "intel,bd82x6x"), }; const char *fdtdec_get_compatible(enum fdt_compat_id id) |