]> git.dujemihanovic.xyz Git - u-boot.git/commitdiff
dm: x86: spi: Convert ICH SPI driver to driver model PCI API
authorSimon Glass <sjg@chromium.org>
Tue, 19 Jan 2016 03:19:21 +0000 (20:19 -0700)
committerBin Meng <bmeng.cn@gmail.com>
Sun, 24 Jan 2016 04:07:17 +0000 (12:07 +0800)
At present this SPI driver works by searching the PCI buses for its
peripheral. It also uses the legacy PCI API.

In addition the driver has code to determine the type of Intel PCH that is
used (version 7 or version 9). Now that we have proper PCH drivers we can
use those to obtain the information we need.

While the device tree has a node for the SPI peripheral it is not in the
right place. It should be on the PCI bus as a sub-peripheral of the LPC
device.

Update the device tree files to show the SPI controller within the PCH, so
that PCI access works as expected.

This patch includes Bin's fix-up patch from here:

   https://patchwork.ozlabs.org/patch/569478/

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
13 files changed:
arch/x86/cpu/coreboot/pci.c
arch/x86/cpu/irq.c
arch/x86/cpu/ivybridge/bd82x6x.c
arch/x86/dts/bayleybay.dts
arch/x86/dts/broadwell_som-6896.dts
arch/x86/dts/chromebook_link.dts
arch/x86/dts/chromebox_panther.dts
arch/x86/dts/crownbay.dts
arch/x86/dts/galileo.dts
arch/x86/dts/minnowmax.dts
arch/x86/dts/qemu-x86_i440fx.dts
arch/x86/dts/qemu-x86_q35.dts
drivers/spi/ich.c

index 41e29a6086fdfb661ea521002c24f68426b119a2..7f5087a918386ab847cc2c25902bf78635116c9d 100644 (file)
@@ -14,7 +14,8 @@
 #include <pci.h>
 
 static const struct udevice_id generic_pch_ids[] = {
-       { .compatible = "intel,pch" },
+       { .compatible = "intel,pch7" },
+       { .compatible = "intel,pch9" },
        { }
 };
 
index 35b29f69d8459cceb0fbbc5c0f3dd4e12b992564..205405b95fe4817734d80f327e0a93f9af453813 100644 (file)
@@ -97,6 +97,7 @@ static int create_pirq_routing_table(void)
        struct irq_routing_table *rt;
        struct irq_info *slot, *slot_base;
        int irq_entries = 0;
+       int parent;
        int i;
        int ret;
 
@@ -106,7 +107,11 @@ static int create_pirq_routing_table(void)
                return -EINVAL;
        }
 
-       ret = fdtdec_get_pci_addr(blob, node, FDT_PCI_SPACE_CONFIG,
+       /* TODO(sjg@chromium.org): Drop this when PIRQ is a driver */
+       parent = fdt_parent_offset(blob, node);
+       if (parent < 0)
+               return -EINVAL;
+       ret = fdtdec_get_pci_addr(blob, parent, FDT_PCI_SPACE_CONFIG,
                                  "reg", &addr);
        if (ret)
                return ret;
index 434dfd649f65853b3977e10f7c400a2346d6b150..c000aca856a8e1c61406c43d405c2b7188dbfdcb 100644 (file)
@@ -3,12 +3,12 @@
  *
  * SPDX-License-Identifier:    GPL-2.0+
  */
-
 #include <common.h>
 #include <dm.h>
 #include <errno.h>
 #include <fdtdec.h>
 #include <malloc.h>
+#include <pch.h>
 #include <asm/lapic.h>
 #include <asm/pci.h>
 #include <asm/arch/bd82x6x.h>
@@ -16,6 +16,8 @@
 #include <asm/arch/pch.h>
 #include <asm/arch/sandybridge.h>
 
+#define BIOS_CTRL      0xdc
+
 void bd82x6x_pci_init(pci_dev_t dev)
 {
        u16 reg16;
@@ -96,6 +98,7 @@ static int bd82x6x_probe(struct udevice *dev)
        return 0;
 }
 
+/* TODO(sjg@chromium.org): Move this to the PCH init() method */
 int bd82x6x_init(void)
 {
        const void *blob = gd->fdt_blob;
@@ -116,6 +119,47 @@ int bd82x6x_init(void)
        return 0;
 }
 
+static int bd82x6x_pch_get_sbase(struct udevice *dev, ulong *sbasep)
+{
+       u32 rcba;
+
+       dm_pci_read_config32(dev, PCH_RCBA, &rcba);
+       /* Bits 31-14 are the base address, 13-1 are reserved, 0 is enable */
+       rcba = rcba & 0xffffc000;
+       *sbasep = rcba + 0x3800;
+
+       return 0;
+}
+
+static enum pch_version bd82x6x_pch_get_version(struct udevice *dev)
+{
+       return PCHV_9;
+}
+
+static int bd82x6x_set_spi_protect(struct udevice *dev, bool protect)
+{
+       uint8_t bios_cntl;
+
+       /* Adjust the BIOS write protect and SMM BIOS Write Protect Disable */
+       dm_pci_read_config8(dev, BIOS_CTRL, &bios_cntl);
+       if (protect) {
+               bios_cntl &= ~BIOS_CTRL_BIOSWE;
+               bios_cntl |= BIT(5);
+       } else {
+               bios_cntl |= BIOS_CTRL_BIOSWE;
+               bios_cntl &= ~BIT(5);
+       }
+       dm_pci_write_config8(dev, BIOS_CTRL, bios_cntl);
+
+       return 0;
+}
+
+static const struct pch_ops bd82x6x_pch_ops = {
+       .get_sbase      = bd82x6x_pch_get_sbase,
+       .get_version    = bd82x6x_pch_get_version,
+       .set_spi_protect = bd82x6x_set_spi_protect,
+};
+
 static const struct udevice_id bd82x6x_ids[] = {
        { .compatible = "intel,bd82x6x" },
        { }
@@ -126,4 +170,5 @@ U_BOOT_DRIVER(bd82x6x_drv) = {
        .id             = UCLASS_PCH,
        .of_match       = bd82x6x_ids,
        .probe          = bd82x6x_probe,
+       .ops            = &bd82x6x_pch_ops,
 };
index d3380dee6ccc4cd9244bd216a1c9b70baf4cb42a..9bf707bf0e84bdd43c05d7f97d8fbafddcd2b5d7 100644 (file)
                };
        };
 
-       spi {
-               #address-cells = <1>;
-               #size-cells = <0>;
-               compatible = "intel,ich-spi";
-               spi-flash@0 {
-                       #address-cells = <1>;
-                       #size-cells = <1>;
-                       reg = <0>;
-                       compatible = "winbond,w25q64dw", "spi-flash";
-                       memory-map = <0xff800000 0x00800000>;
-                       rw-mrc-cache {
-                               label = "rw-mrc-cache";
-                               reg = <0x006e0000 0x00010000>;
-                       };
-               };
-       };
-
        gpioa {
                compatible = "intel,ich6-gpio";
                u-boot,dm-pre-reloc;
                          0x42000000 0x0 0xc0000000 0xc0000000 0 0x20000000
                          0x01000000 0x0 0x2000 0x2000 0 0xe000>;
 
-               irq-router@1f,0 {
+               pch@1f,0 {
                        reg = <0x0000f800 0 0 0 0>;
-                       compatible = "intel,irq-router";
-                       intel,pirq-config = "ibase";
-                       intel,ibase-offset = <0x50>;
-                       intel,pirq-link = <8 8>;
-                       intel,pirq-mask = <0xdee0>;
-                       intel,pirq-routing = <
-                               /* BayTrail PCI devices */
-                               PCI_BDF(0, 2, 0) INTA PIRQA
-                               PCI_BDF(0, 3, 0) INTA PIRQA
-                               PCI_BDF(0, 16, 0) INTA PIRQA
-                               PCI_BDF(0, 17, 0) INTA PIRQA
-                               PCI_BDF(0, 18, 0) INTA PIRQA
-                               PCI_BDF(0, 19, 0) INTA PIRQA
-                               PCI_BDF(0, 20, 0) INTA PIRQA
-                               PCI_BDF(0, 21, 0) INTA PIRQA
-                               PCI_BDF(0, 22, 0) INTA PIRQA
-                               PCI_BDF(0, 23, 0) INTA PIRQA
-                               PCI_BDF(0, 24, 0) INTA PIRQA
-                               PCI_BDF(0, 24, 1) INTC PIRQC
-                               PCI_BDF(0, 24, 2) INTD PIRQD
-                               PCI_BDF(0, 24, 3) INTB PIRQB
-                               PCI_BDF(0, 24, 4) INTA PIRQA
-                               PCI_BDF(0, 24, 5) INTC PIRQC
-                               PCI_BDF(0, 24, 6) INTD PIRQD
-                               PCI_BDF(0, 24, 7) INTB PIRQB
-                               PCI_BDF(0, 26, 0) INTA PIRQA
-                               PCI_BDF(0, 27, 0) INTA PIRQA
-                               PCI_BDF(0, 28, 0) INTA PIRQA
-                               PCI_BDF(0, 28, 1) INTB PIRQB
-                               PCI_BDF(0, 28, 2) INTC PIRQC
-                               PCI_BDF(0, 28, 3) INTD PIRQD
-                               PCI_BDF(0, 29, 0) INTA PIRQA
-                               PCI_BDF(0, 30, 0) INTA PIRQA
-                               PCI_BDF(0, 30, 1) INTD PIRQD
-                               PCI_BDF(0, 30, 2) INTB PIRQB
-                               PCI_BDF(0, 30, 3) INTC PIRQC
-                               PCI_BDF(0, 30, 4) INTD PIRQD
-                               PCI_BDF(0, 30, 5) INTB PIRQB
-                               PCI_BDF(0, 31, 3) INTB PIRQB
-
-                               /* PCIe root ports downstream interrupts */
-                               PCI_BDF(1, 0, 0) INTA PIRQA
-                               PCI_BDF(1, 0, 0) INTB PIRQB
-                               PCI_BDF(1, 0, 0) INTC PIRQC
-                               PCI_BDF(1, 0, 0) INTD PIRQD
-                               PCI_BDF(2, 0, 0) INTA PIRQB
-                               PCI_BDF(2, 0, 0) INTB PIRQC
-                               PCI_BDF(2, 0, 0) INTC PIRQD
-                               PCI_BDF(2, 0, 0) INTD PIRQA
-                               PCI_BDF(3, 0, 0) INTA PIRQC
-                               PCI_BDF(3, 0, 0) INTB PIRQD
-                               PCI_BDF(3, 0, 0) INTC PIRQA
-                               PCI_BDF(3, 0, 0) INTD PIRQB
-                               PCI_BDF(4, 0, 0) INTA PIRQD
-                               PCI_BDF(4, 0, 0) INTB PIRQA
-                               PCI_BDF(4, 0, 0) INTC PIRQB
-                               PCI_BDF(4, 0, 0) INTD PIRQC
-                       >;
+                       compatible = "intel,pch9";
+
+                       irq-router {
+                               compatible = "intel,irq-router";
+                               intel,pirq-config = "ibase";
+                               intel,ibase-offset = <0x50>;
+                               intel,pirq-link = <8 8>;
+                               intel,pirq-mask = <0xdee0>;
+                               intel,pirq-routing = <
+                                       /* BayTrail PCI devices */
+                                       PCI_BDF(0, 2, 0) INTA PIRQA
+                                       PCI_BDF(0, 3, 0) INTA PIRQA
+                                       PCI_BDF(0, 16, 0) INTA PIRQA
+                                       PCI_BDF(0, 17, 0) INTA PIRQA
+                                       PCI_BDF(0, 18, 0) INTA PIRQA
+                                       PCI_BDF(0, 19, 0) INTA PIRQA
+                                       PCI_BDF(0, 20, 0) INTA PIRQA
+                                       PCI_BDF(0, 21, 0) INTA PIRQA
+                                       PCI_BDF(0, 22, 0) INTA PIRQA
+                                       PCI_BDF(0, 23, 0) INTA PIRQA
+                                       PCI_BDF(0, 24, 0) INTA PIRQA
+                                       PCI_BDF(0, 24, 1) INTC PIRQC
+                                       PCI_BDF(0, 24, 2) INTD PIRQD
+                                       PCI_BDF(0, 24, 3) INTB PIRQB
+                                       PCI_BDF(0, 24, 4) INTA PIRQA
+                                       PCI_BDF(0, 24, 5) INTC PIRQC
+                                       PCI_BDF(0, 24, 6) INTD PIRQD
+                                       PCI_BDF(0, 24, 7) INTB PIRQB
+                                       PCI_BDF(0, 26, 0) INTA PIRQA
+                                       PCI_BDF(0, 27, 0) INTA PIRQA
+                                       PCI_BDF(0, 28, 0) INTA PIRQA
+                                       PCI_BDF(0, 28, 1) INTB PIRQB
+                                       PCI_BDF(0, 28, 2) INTC PIRQC
+                                       PCI_BDF(0, 28, 3) INTD PIRQD
+                                       PCI_BDF(0, 29, 0) INTA PIRQA
+                                       PCI_BDF(0, 30, 0) INTA PIRQA
+                                       PCI_BDF(0, 30, 1) INTD PIRQD
+                                       PCI_BDF(0, 30, 2) INTB PIRQB
+                                       PCI_BDF(0, 30, 3) INTC PIRQC
+                                       PCI_BDF(0, 30, 4) INTD PIRQD
+                                       PCI_BDF(0, 30, 5) INTB PIRQB
+                                       PCI_BDF(0, 31, 3) INTB PIRQB
+
+                                       /*
+                                        * PCIe root ports downstream
+                                        * interrupts
+                                        */
+                                       PCI_BDF(1, 0, 0) INTA PIRQA
+                                       PCI_BDF(1, 0, 0) INTB PIRQB
+                                       PCI_BDF(1, 0, 0) INTC PIRQC
+                                       PCI_BDF(1, 0, 0) INTD PIRQD
+                                       PCI_BDF(2, 0, 0) INTA PIRQB
+                                       PCI_BDF(2, 0, 0) INTB PIRQC
+                                       PCI_BDF(2, 0, 0) INTC PIRQD
+                                       PCI_BDF(2, 0, 0) INTD PIRQA
+                                       PCI_BDF(3, 0, 0) INTA PIRQC
+                                       PCI_BDF(3, 0, 0) INTB PIRQD
+                                       PCI_BDF(3, 0, 0) INTC PIRQA
+                                       PCI_BDF(3, 0, 0) INTD PIRQB
+                                       PCI_BDF(4, 0, 0) INTA PIRQD
+                                       PCI_BDF(4, 0, 0) INTB PIRQA
+                                       PCI_BDF(4, 0, 0) INTC PIRQB
+                                       PCI_BDF(4, 0, 0) INTD PIRQC
+                               >;
+                       };
+
+                       spi {
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               compatible = "intel,ich-spi";
+                               spi-flash@0 {
+                                       #address-cells = <1>;
+                                       #size-cells = <1>;
+                                       reg = <0>;
+                                       compatible = "winbond,w25q64dw",
+                                               "spi-flash";
+                                       memory-map = <0xff800000 0x00800000>;
+                                       rw-mrc-cache {
+                                               label = "rw-mrc-cache";
+                                               reg = <0x006e0000 0x00010000>;
+                                       };
+                               };
+                       };
                };
        };
 
index 194f0ebcda4b9995d43bb697641eb3c31c7a6413..4e9e410b706aac85ea31ad99e4f28904bc6a64f7 100644 (file)
                ranges = <0x02000000 0x0 0xe0000000 0xe0000000 0 0x10000000
                        0x42000000 0x0 0xd0000000 0xd0000000 0 0x10000000
                        0x01000000 0x0 0x2000 0x2000 0 0xe000>;
-       };
 
-       spi {
-               #address-cells = <1>;
-               #size-cells = <0>;
-               compatible = "intel,ich-spi";
-               spi-flash@0 {
-                       reg = <0>;
-                       compatible = "winbond,w25q128", "spi-flash";
-                       memory-map = <0xff000000 0x01000000>;
+               pch@1f,0 {
+                       reg = <0x0000f800 0 0 0 0>;
+                       compatible = "intel,pch9";
+
+                       spi {
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               compatible = "intel,ich-spi";
+                               spi-flash@0 {
+                                       reg = <0>;
+                                       compatible = "winbond,w25q128", "spi-flash";
+                                       memory-map = <0xff000000 0x01000000>;
+                               };
+                       };
                };
        };
+
 };
index c4469a97683d705fd303893144e4b7fa02ffc3f1..a5c5dc126ca238d8fc0f0ee48092f1a74ca987a8 100644 (file)
                        intel,pch-backlight = <0x04000000>;
                };
 
-               pch {
+               pch@1f,0 {
                        reg = <0x0000f800 0 0 0 0>;
-                       compatible = "intel,bd82x6x", "intel,pch";
+                       compatible = "intel,bd82x6x", "intel,pch9";
                        u-boot,dm-pre-reloc;
                        #address-cells = <1>;
                        #size-cells = <1>;
                                                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>;
index 4e2b51708b1915cc0f1a2bfe90ce8c5869bc2301..23027016e5746a51768974a2629f06ea906ceecc 100644 (file)
                ranges = <0x02000000 0x0 0xe0000000 0xe0000000 0 0x10000000
                        0x42000000 0x0 0xd0000000 0xd0000000 0 0x10000000
                        0x01000000 0x0 0x1000 0x1000 0 0xf000>;
-       };
 
-       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>;
+               pch@1f,0 {
+                       reg = <0x0000f800 0 0 0 0>;
+                       compatible = "intel,pch9";
+
+                       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>;
+                                       };
+                               };
                        };
                };
        };
index 84231b37783ea673c43b752e2bd285cd7e22ac0c..2a18be065e3b7f9f8057a0d0c56b218937429b3d 100644 (file)
                stdout-path = "/serial";
        };
 
-       spi {
-               #address-cells = <1>;
-               #size-cells = <0>;
-               compatible = "intel,ich-spi";
-               spi-flash@0 {
-                       reg = <0>;
-                       compatible = "sst,25vf016b", "spi-flash";
-                       memory-map = <0xffe00000 0x00200000>;
-               };
-       };
-
        microcode {
                update@0 {
 #include "microcode/m0220661105_cv.dtsi"
                        };
                };
 
-               irq-router@1f,0 {
+               pch@1f,0 {
                        reg = <0x0000f800 0 0 0 0>;
-                       compatible = "intel,irq-router";
-                       intel,pirq-config = "pci";
-                       intel,pirq-link = <0x60 8>;
-                       intel,pirq-mask = <0xcee0>;
-                       intel,pirq-routing = <
-                               /* TunnelCreek PCI devices */
-                               PCI_BDF(0, 2, 0) INTA PIRQE
-                               PCI_BDF(0, 3, 0) INTA PIRQF
-                               PCI_BDF(0, 23, 0) INTA PIRQA
-                               PCI_BDF(0, 23, 0) INTB PIRQB
-                               PCI_BDF(0, 23, 0) INTC PIRQC
-                               PCI_BDF(0, 23, 0) INTD PIRQD
-                               PCI_BDF(0, 24, 0) INTA PIRQB
-                               PCI_BDF(0, 24, 0) INTB PIRQC
-                               PCI_BDF(0, 24, 0) INTC PIRQD
-                               PCI_BDF(0, 24, 0) INTD PIRQA
-                               PCI_BDF(0, 25, 0) INTA PIRQC
-                               PCI_BDF(0, 25, 0) INTB PIRQD
-                               PCI_BDF(0, 25, 0) INTC PIRQA
-                               PCI_BDF(0, 25, 0) INTD PIRQB
-                               PCI_BDF(0, 26, 0) INTA PIRQD
-                               PCI_BDF(0, 26, 0) INTB PIRQA
-                               PCI_BDF(0, 26, 0) INTC PIRQB
-                               PCI_BDF(0, 26, 0) INTD PIRQC
-                               PCI_BDF(0, 27, 0) INTA PIRQG
-                               /*
-                                * Topcliff PCI devices
-                                *
-                                * Note on the Crown Bay board, Topcliff chipset
-                                * is connected to TunnelCreek PCIe port 0, so
-                                * its bus number is 1 for its PCIe port and 2
-                                * for its PCI devices per U-Boot current PCI
-                                * bus enumeration algorithm.
-                                */
-                               PCI_BDF(1, 0, 0) INTA PIRQA
-                               PCI_BDF(2, 0, 1) INTA PIRQA
-                               PCI_BDF(2, 0, 2) INTA PIRQA
-                               PCI_BDF(2, 2, 0) INTB PIRQD
-                               PCI_BDF(2, 2, 1) INTB PIRQD
-                               PCI_BDF(2, 2, 2) INTB PIRQD
-                               PCI_BDF(2, 2, 3) INTB PIRQD
-                               PCI_BDF(2, 2, 4) INTB PIRQD
-                               PCI_BDF(2, 4, 0) INTC PIRQC
-                               PCI_BDF(2, 4, 1) INTC PIRQC
-                               PCI_BDF(2, 6, 0) INTD PIRQB
-                               PCI_BDF(2, 8, 0) INTA PIRQA
-                               PCI_BDF(2, 8, 1) INTA PIRQA
-                               PCI_BDF(2, 8, 2) INTA PIRQA
-                               PCI_BDF(2, 8, 3) INTA PIRQA
-                               PCI_BDF(2, 10, 0) INTB PIRQD
-                               PCI_BDF(2, 10, 1) INTB PIRQD
-                               PCI_BDF(2, 10, 2) INTB PIRQD
-                               PCI_BDF(2, 10, 3) INTB PIRQD
-                               PCI_BDF(2, 10, 4) INTB PIRQD
-                               PCI_BDF(2, 12, 0) INTC PIRQC
-                               PCI_BDF(2, 12, 1) INTC PIRQC
-                               PCI_BDF(2, 12, 2) INTC PIRQC
-                               PCI_BDF(2, 12, 3) INTC PIRQC
-                               PCI_BDF(2, 12, 4) INTC PIRQC
-                       >;
+                       compatible = "intel,pch7";
+
+                       irq-router {
+                               compatible = "intel,irq-router";
+                               intel,pirq-config = "pci";
+                               intel,pirq-link = <0x60 8>;
+                               intel,pirq-mask = <0xcee0>;
+                               intel,pirq-routing = <
+                                       /* TunnelCreek PCI devices */
+                                       PCI_BDF(0, 2, 0) INTA PIRQE
+                                       PCI_BDF(0, 3, 0) INTA PIRQF
+                                       PCI_BDF(0, 23, 0) INTA PIRQA
+                                       PCI_BDF(0, 23, 0) INTB PIRQB
+                                       PCI_BDF(0, 23, 0) INTC PIRQC
+                                       PCI_BDF(0, 23, 0) INTD PIRQD
+                                       PCI_BDF(0, 24, 0) INTA PIRQB
+                                       PCI_BDF(0, 24, 0) INTB PIRQC
+                                       PCI_BDF(0, 24, 0) INTC PIRQD
+                                       PCI_BDF(0, 24, 0) INTD PIRQA
+                                       PCI_BDF(0, 25, 0) INTA PIRQC
+                                       PCI_BDF(0, 25, 0) INTB PIRQD
+                                       PCI_BDF(0, 25, 0) INTC PIRQA
+                                       PCI_BDF(0, 25, 0) INTD PIRQB
+                                       PCI_BDF(0, 26, 0) INTA PIRQD
+                                       PCI_BDF(0, 26, 0) INTB PIRQA
+                                       PCI_BDF(0, 26, 0) INTC PIRQB
+                                       PCI_BDF(0, 26, 0) INTD PIRQC
+                                       PCI_BDF(0, 27, 0) INTA PIRQG
+                                       /*
+                                       * Topcliff PCI devices
+                                       *
+                                       * Note on the Crown Bay board, Topcliff
+                                       * chipset is connected to TunnelCreek
+                                       * PCIe port 0, so its bus number is 1
+                                       * for its PCIe port and 2 for its PCI
+                                       * devices per U-Boot current PCI bus
+                                       * enumeration algorithm.
+                                       */
+                                       PCI_BDF(1, 0, 0) INTA PIRQA
+                                       PCI_BDF(2, 0, 1) INTA PIRQA
+                                       PCI_BDF(2, 0, 2) INTA PIRQA
+                                       PCI_BDF(2, 2, 0) INTB PIRQD
+                                       PCI_BDF(2, 2, 1) INTB PIRQD
+                                       PCI_BDF(2, 2, 2) INTB PIRQD
+                                       PCI_BDF(2, 2, 3) INTB PIRQD
+                                       PCI_BDF(2, 2, 4) INTB PIRQD
+                                       PCI_BDF(2, 4, 0) INTC PIRQC
+                                       PCI_BDF(2, 4, 1) INTC PIRQC
+                                       PCI_BDF(2, 6, 0) INTD PIRQB
+                                       PCI_BDF(2, 8, 0) INTA PIRQA
+                                       PCI_BDF(2, 8, 1) INTA PIRQA
+                                       PCI_BDF(2, 8, 2) INTA PIRQA
+                                       PCI_BDF(2, 8, 3) INTA PIRQA
+                                       PCI_BDF(2, 10, 0) INTB PIRQD
+                                       PCI_BDF(2, 10, 1) INTB PIRQD
+                                       PCI_BDF(2, 10, 2) INTB PIRQD
+                                       PCI_BDF(2, 10, 3) INTB PIRQD
+                                       PCI_BDF(2, 10, 4) INTB PIRQD
+                                       PCI_BDF(2, 12, 0) INTC PIRQC
+                                       PCI_BDF(2, 12, 1) INTC PIRQC
+                                       PCI_BDF(2, 12, 2) INTC PIRQC
+                                       PCI_BDF(2, 12, 3) INTC PIRQC
+                                       PCI_BDF(2, 12, 4) INTC PIRQC
+                               >;
+                       };
+
+                       spi {
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               compatible = "intel,ich-spi";
+                               spi-flash@0 {
+                                       reg = <0>;
+                                       compatible = "sst,25vf016b",
+                                               "spi-flash";
+                                       memory-map = <0xffe00000 0x00200000>;
+                               };
+                       };
                };
        };
 
index 55165e14646aa1c3720bc18f223b6b065acc1be8..9d82bb3f1b43f20810768cfd20ee07c50857658a 100644 (file)
                        current-speed = <115200>;
                };
 
-               irq-router@1f,0 {
+               pch@1f,0 {
                        reg = <0x0000f800 0 0 0 0>;
-                       compatible = "intel,irq-router";
-                       intel,pirq-config = "pci";
-                       intel,pirq-link = <0x60 8>;
-                       intel,pirq-mask = <0xdef8>;
-                       intel,pirq-routing = <
-                               PCI_BDF(0, 20, 0) INTA PIRQE
-                               PCI_BDF(0, 20, 1) INTB PIRQF
-                               PCI_BDF(0, 20, 2) INTC PIRQG
-                               PCI_BDF(0, 20, 3) INTD PIRQH
-                               PCI_BDF(0, 20, 4) INTA PIRQE
-                               PCI_BDF(0, 20, 5) INTB PIRQF
-                               PCI_BDF(0, 20, 6) INTC PIRQG
-                               PCI_BDF(0, 20, 7) INTD PIRQH
-                               PCI_BDF(0, 21, 0) INTA PIRQE
-                               PCI_BDF(0, 21, 1) INTB PIRQF
-                               PCI_BDF(0, 21, 2) INTC PIRQG
-                               PCI_BDF(0, 23, 0) INTA PIRQA
-                               PCI_BDF(0, 23, 1) INTB PIRQB
-
-                               /* PCIe root ports downstream interrupts */
-                               PCI_BDF(1, 0, 0) INTA PIRQA
-                               PCI_BDF(1, 0, 0) INTB PIRQB
-                               PCI_BDF(1, 0, 0) INTC PIRQC
-                               PCI_BDF(1, 0, 0) INTD PIRQD
-                               PCI_BDF(2, 0, 0) INTA PIRQB
-                               PCI_BDF(2, 0, 0) INTB PIRQC
-                               PCI_BDF(2, 0, 0) INTC PIRQD
-                               PCI_BDF(2, 0, 0) INTD PIRQA
-                       >;
+                       compatible = "intel,pch7";
+
+                       irq-router {
+                               compatible = "intel,irq-router";
+                               intel,pirq-config = "pci";
+                               intel,pirq-link = <0x60 8>;
+                               intel,pirq-mask = <0xdef8>;
+                               intel,pirq-routing = <
+                                       PCI_BDF(0, 20, 0) INTA PIRQE
+                                       PCI_BDF(0, 20, 1) INTB PIRQF
+                                       PCI_BDF(0, 20, 2) INTC PIRQG
+                                       PCI_BDF(0, 20, 3) INTD PIRQH
+                                       PCI_BDF(0, 20, 4) INTA PIRQE
+                                       PCI_BDF(0, 20, 5) INTB PIRQF
+                                       PCI_BDF(0, 20, 6) INTC PIRQG
+                                       PCI_BDF(0, 20, 7) INTD PIRQH
+                                       PCI_BDF(0, 21, 0) INTA PIRQE
+                                       PCI_BDF(0, 21, 1) INTB PIRQF
+                                       PCI_BDF(0, 21, 2) INTC PIRQG
+                                       PCI_BDF(0, 23, 0) INTA PIRQA
+                                       PCI_BDF(0, 23, 1) INTB PIRQB
+
+                                       /* PCIe root ports downstream interrupts */
+                                       PCI_BDF(1, 0, 0) INTA PIRQA
+                                       PCI_BDF(1, 0, 0) INTB PIRQB
+                                       PCI_BDF(1, 0, 0) INTC PIRQC
+                                       PCI_BDF(1, 0, 0) INTD PIRQD
+                                       PCI_BDF(2, 0, 0) INTA PIRQB
+                                       PCI_BDF(2, 0, 0) INTB PIRQC
+                                       PCI_BDF(2, 0, 0) INTC PIRQD
+                                       PCI_BDF(2, 0, 0) INTD PIRQA
+                               >;
+                       };
+
+                       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 = <0x00010000 0x00010000>;
+                                       };
+                               };
+                       };
                };
        };
 
                bank-name = "B";
        };
 
-       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 = <0x00010000 0x00010000>;
-                       };
-               };
-       };
-
 };
index bbfd6d4028086afe5077591cf93026c6b5975815..e7ef7c987b6226b525a1d40be3299ec5787a0d6e 100644 (file)
                          0x42000000 0x0 0xc0000000 0xc0000000 0 0x20000000
                          0x01000000 0x0 0x2000 0x2000 0 0xe000>;
 
-               irq-router@1f,0 {
+               pch@1f,0 {
                        reg = <0x0000f800 0 0 0 0>;
-                       compatible = "intel,irq-router";
-                       intel,pirq-config = "ibase";
-                       intel,ibase-offset = <0x50>;
-                       intel,pirq-link = <8 8>;
-                       intel,pirq-mask = <0xdee0>;
-                       intel,pirq-routing = <
-                               /* BayTrail PCI devices */
-                               PCI_BDF(0, 2, 0) INTA PIRQA
-                               PCI_BDF(0, 3, 0) INTA PIRQA
-                               PCI_BDF(0, 16, 0) INTA PIRQA
-                               PCI_BDF(0, 17, 0) INTA PIRQA
-                               PCI_BDF(0, 18, 0) INTA PIRQA
-                               PCI_BDF(0, 19, 0) INTA PIRQA
-                               PCI_BDF(0, 20, 0) INTA PIRQA
-                               PCI_BDF(0, 21, 0) INTA PIRQA
-                               PCI_BDF(0, 22, 0) INTA PIRQA
-                               PCI_BDF(0, 23, 0) INTA PIRQA
-                               PCI_BDF(0, 24, 0) INTA PIRQA
-                               PCI_BDF(0, 24, 1) INTC PIRQC
-                               PCI_BDF(0, 24, 2) INTD PIRQD
-                               PCI_BDF(0, 24, 3) INTB PIRQB
-                               PCI_BDF(0, 24, 4) INTA PIRQA
-                               PCI_BDF(0, 24, 5) INTC PIRQC
-                               PCI_BDF(0, 24, 6) INTD PIRQD
-                               PCI_BDF(0, 24, 7) INTB PIRQB
-                               PCI_BDF(0, 26, 0) INTA PIRQA
-                               PCI_BDF(0, 27, 0) INTA PIRQA
-                               PCI_BDF(0, 28, 0) INTA PIRQA
-                               PCI_BDF(0, 28, 1) INTB PIRQB
-                               PCI_BDF(0, 28, 2) INTC PIRQC
-                               PCI_BDF(0, 28, 3) INTD PIRQD
-                               PCI_BDF(0, 29, 0) INTA PIRQA
-                               PCI_BDF(0, 30, 0) INTA PIRQA
-                               PCI_BDF(0, 30, 1) INTD PIRQD
-                               PCI_BDF(0, 30, 2) INTB PIRQB
-                               PCI_BDF(0, 30, 3) INTC PIRQC
-                               PCI_BDF(0, 30, 4) INTD PIRQD
-                               PCI_BDF(0, 30, 5) INTB PIRQB
-                               PCI_BDF(0, 31, 3) INTB PIRQB
+                       compatible = "pci8086,0f1c", "intel,pch9";
 
-                               /* PCIe root ports downstream interrupts */
-                               PCI_BDF(1, 0, 0) INTA PIRQA
-                               PCI_BDF(1, 0, 0) INTB PIRQB
-                               PCI_BDF(1, 0, 0) INTC PIRQC
-                               PCI_BDF(1, 0, 0) INTD PIRQD
-                               PCI_BDF(2, 0, 0) INTA PIRQB
-                               PCI_BDF(2, 0, 0) INTB PIRQC
-                               PCI_BDF(2, 0, 0) INTC PIRQD
-                               PCI_BDF(2, 0, 0) INTD PIRQA
-                               PCI_BDF(3, 0, 0) INTA PIRQC
-                               PCI_BDF(3, 0, 0) INTB PIRQD
-                               PCI_BDF(3, 0, 0) INTC PIRQA
-                               PCI_BDF(3, 0, 0) INTD PIRQB
-                               PCI_BDF(4, 0, 0) INTA PIRQD
-                               PCI_BDF(4, 0, 0) INTB PIRQA
-                               PCI_BDF(4, 0, 0) INTC PIRQB
-                               PCI_BDF(4, 0, 0) INTD PIRQC
-                       >;
+                       irq-router {
+                               compatible = "intel,irq-router";
+                               intel,pirq-config = "ibase";
+                               intel,ibase-offset = <0x50>;
+                               intel,pirq-link = <8 8>;
+                               intel,pirq-mask = <0xdee0>;
+                               intel,pirq-routing = <
+                                       /* BayTrail PCI devices */
+                                       PCI_BDF(0, 2, 0) INTA PIRQA
+                                       PCI_BDF(0, 3, 0) INTA PIRQA
+                                       PCI_BDF(0, 16, 0) INTA PIRQA
+                                       PCI_BDF(0, 17, 0) INTA PIRQA
+                                       PCI_BDF(0, 18, 0) INTA PIRQA
+                                       PCI_BDF(0, 19, 0) INTA PIRQA
+                                       PCI_BDF(0, 20, 0) INTA PIRQA
+                                       PCI_BDF(0, 21, 0) INTA PIRQA
+                                       PCI_BDF(0, 22, 0) INTA PIRQA
+                                       PCI_BDF(0, 23, 0) INTA PIRQA
+                                       PCI_BDF(0, 24, 0) INTA PIRQA
+                                       PCI_BDF(0, 24, 1) INTC PIRQC
+                                       PCI_BDF(0, 24, 2) INTD PIRQD
+                                       PCI_BDF(0, 24, 3) INTB PIRQB
+                                       PCI_BDF(0, 24, 4) INTA PIRQA
+                                       PCI_BDF(0, 24, 5) INTC PIRQC
+                                       PCI_BDF(0, 24, 6) INTD PIRQD
+                                       PCI_BDF(0, 24, 7) INTB PIRQB
+                                       PCI_BDF(0, 26, 0) INTA PIRQA
+                                       PCI_BDF(0, 27, 0) INTA PIRQA
+                                       PCI_BDF(0, 28, 0) INTA PIRQA
+                                       PCI_BDF(0, 28, 1) INTB PIRQB
+                                       PCI_BDF(0, 28, 2) INTC PIRQC
+                                       PCI_BDF(0, 28, 3) INTD PIRQD
+                                       PCI_BDF(0, 29, 0) INTA PIRQA
+                                       PCI_BDF(0, 30, 0) INTA PIRQA
+                                       PCI_BDF(0, 30, 1) INTD PIRQD
+                                       PCI_BDF(0, 30, 2) INTB PIRQB
+                                       PCI_BDF(0, 30, 3) INTC PIRQC
+                                       PCI_BDF(0, 30, 4) INTD PIRQD
+                                       PCI_BDF(0, 30, 5) INTB PIRQB
+                                       PCI_BDF(0, 31, 3) INTB PIRQB
+
+                                       /*
+                                        * PCIe root ports downstream
+                                        * interrupts
+                                        */
+                                       PCI_BDF(1, 0, 0) INTA PIRQA
+                                       PCI_BDF(1, 0, 0) INTB PIRQB
+                                       PCI_BDF(1, 0, 0) INTC PIRQC
+                                       PCI_BDF(1, 0, 0) INTD PIRQD
+                                       PCI_BDF(2, 0, 0) INTA PIRQB
+                                       PCI_BDF(2, 0, 0) INTB PIRQC
+                                       PCI_BDF(2, 0, 0) INTC PIRQD
+                                       PCI_BDF(2, 0, 0) INTD PIRQA
+                                       PCI_BDF(3, 0, 0) INTA PIRQC
+                                       PCI_BDF(3, 0, 0) INTB PIRQD
+                                       PCI_BDF(3, 0, 0) INTC PIRQA
+                                       PCI_BDF(3, 0, 0) INTD PIRQB
+                                       PCI_BDF(4, 0, 0) INTA PIRQD
+                                       PCI_BDF(4, 0, 0) INTB PIRQA
+                                       PCI_BDF(4, 0, 0) INTC PIRQB
+                                       PCI_BDF(4, 0, 0) INTD PIRQC
+                               >;
+                       };
+
+                       spi {
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+                               compatible = "intel,ich-spi";
+                               spi-flash@0 {
+                                       #address-cells = <1>;
+                                       #size-cells = <1>;
+                                       reg = <0>;
+                                       compatible = "stmicro,n25q064a",
+                                               "spi-flash";
+                                       memory-map = <0xff800000 0x00800000>;
+                                       rw-mrc-cache {
+                                               label = "rw-mrc-cache";
+                                               reg = <0x006f0000 0x00010000>;
+                                       };
+                               };
+                       };
                };
        };
 
                };
        };
 
-       spi {
-               #address-cells = <1>;
-               #size-cells = <0>;
-               compatible = "intel,ich-spi";
-               spi-flash@0 {
-                       #address-cells = <1>;
-                       #size-cells = <1>;
-                       reg = <0>;
-                       compatible = "stmicro,n25q064a", "spi-flash";
-                       memory-map = <0xff800000 0x00800000>;
-                       rw-mrc-cache {
-                               label = "rw-mrc-cache";
-                               reg = <0x006f0000 0x00010000>;
-                       };
-               };
-       };
-
        microcode {
                update@0 {
 #include "microcode/m0130673322.dtsi"
index 9086b461b9d1362745318d41f02cdf379a1a09e9..9c3f2a08e63721814c30065622f6d53e57eb7838 100644 (file)
                        0x42000000 0x0 0xd0000000 0xd0000000 0 0x10000000
                        0x01000000 0x0 0x2000 0x2000 0 0xe000>;
 
-               irq-router@1,0 {
+               pch@1,0 {
                        reg = <0x00000800 0 0 0 0>;
-                       compatible = "intel,irq-router";
-                       intel,pirq-config = "pci";
-                       intel,pirq-link = <0x60 4>;
-                       intel,pirq-mask = <0x0e40>;
-                       intel,pirq-routing = <
-                               /* PIIX UHCI */
-                               PCI_BDF(0, 1, 2) INTD PIRQD
-                               /* e1000 NIC */
-                               PCI_BDF(0, 3, 0) INTA PIRQC
-                       >;
+                       compatible = "intel,pch7";
+
+                       irq-router {
+                               compatible = "intel,irq-router";
+                               intel,pirq-config = "pci";
+                               intel,pirq-link = <0x60 4>;
+                               intel,pirq-mask = <0x0e40>;
+                               intel,pirq-routing = <
+                                       /* PIIX UHCI */
+                                       PCI_BDF(0, 1, 2) INTD PIRQD
+                                       /* e1000 NIC */
+                                       PCI_BDF(0, 3, 0) INTA PIRQC
+                               >;
+                       };
                };
        };
 
index 145e8115cec96ef1e1845981464e56db20b3e1b7..5d601b344477ad4e1864951748a5f6cc9f49f951 100644 (file)
                        0x42000000 0x0 0xd0000000 0xd0000000 0 0x10000000
                        0x01000000 0x0 0x2000 0x2000 0 0xe000>;
 
-               irq-router@1f,0 {
+               pch@1f,0 {
                        reg = <0x0000f800 0 0 0 0>;
-                       compatible = "intel,irq-router";
-                       intel,pirq-config = "pci";
-                       intel,pirq-link = <0x60 8>;
-                       intel,pirq-mask = <0x0e40>;
-                       intel,pirq-routing = <
-                               /* e1000 NIC */
-                               PCI_BDF(0, 2, 0) INTA PIRQG
-                               /* ICH9 UHCI */
-                               PCI_BDF(0, 29, 0) INTA PIRQA
-                               PCI_BDF(0, 29, 1) INTB PIRQB
-                               PCI_BDF(0, 29, 2) INTC PIRQC
-                               /* ICH9 EHCI */
-                               PCI_BDF(0, 29, 7) INTD PIRQD
-                               /* ICH9 SATA */
-                               PCI_BDF(0, 31, 2) INTA PIRQA
-                       >;
+                       compatible = "intel,pch9";
+
+                       irq-router {
+                               compatible = "intel,irq-router";
+                               intel,pirq-config = "pci";
+                               intel,pirq-link = <0x60 8>;
+                               intel,pirq-mask = <0x0e40>;
+                               intel,pirq-routing = <
+                                       /* e1000 NIC */
+                                       PCI_BDF(0, 2, 0) INTA PIRQG
+                                       /* ICH9 UHCI */
+                                       PCI_BDF(0, 29, 0) INTA PIRQA
+                                       PCI_BDF(0, 29, 1) INTB PIRQB
+                                       PCI_BDF(0, 29, 2) INTC PIRQC
+                                       /* ICH9 EHCI */
+                                       PCI_BDF(0, 29, 7) INTD PIRQD
+                                       /* ICH9 SATA */
+                                       PCI_BDF(0, 31, 2) INTA PIRQA
+                               >;
+                       };
                };
        };
 
index 887510bf1002c8c0bebf250627a4f368cdf301dd..e543b8f0cf4cbe9c27f9a7dd35e4bdde67b14027 100644 (file)
@@ -5,14 +5,14 @@
  *
  * This file is derived from the flashrom project.
  */
-
 #include <common.h>
 #include <dm.h>
 #include <errno.h>
 #include <malloc.h>
-#include <spi.h>
+#include <pch.h>
 #include <pci.h>
 #include <pci_ids.h>
+#include <spi.h>
 #include <asm/io.h>
 
 #include "ich.h"
@@ -27,9 +27,7 @@
 #endif
 
 struct ich_spi_platdata {
-       pci_dev_t dev;          /* PCI device number */
-       int ich_version;        /* Controller version, 7 or 9 */
-       bool use_sbase;         /* Use SBASE instead of RCB */
+       enum pch_version ich_version;   /* Controller version, 7 or 9 */
 };
 
 struct ich_spi_priv {
@@ -122,40 +120,16 @@ static void ich_set_bbar(struct ich_spi_priv *ctlr, uint32_t minaddr)
        ich_writel(ctlr, ichspi_bbar, ctlr->bbar);
 }
 
-/*
- * Check if this device ID matches one of supported Intel PCH devices.
- *
- * Return the ICH version if there is a match, or zero otherwise.
- */
-static int get_ich_version(uint16_t device_id)
-{
-       if (device_id == PCI_DEVICE_ID_INTEL_TGP_LPC ||
-           device_id == PCI_DEVICE_ID_INTEL_ITC_LPC ||
-           device_id == PCI_DEVICE_ID_INTEL_QRK_ILB)
-               return 7;
-
-       if ((device_id >= PCI_DEVICE_ID_INTEL_COUGARPOINT_LPC_MIN &&
-            device_id <= PCI_DEVICE_ID_INTEL_COUGARPOINT_LPC_MAX) ||
-           (device_id >= PCI_DEVICE_ID_INTEL_PANTHERPOINT_LPC_MIN &&
-            device_id <= PCI_DEVICE_ID_INTEL_PANTHERPOINT_LPC_MAX) ||
-           device_id == PCI_DEVICE_ID_INTEL_VALLEYVIEW_LPC ||
-           device_id == PCI_DEVICE_ID_INTEL_LYNXPOINT_LPC ||
-           device_id == PCI_DEVICE_ID_INTEL_WILDCATPOINT_LPC)
-               return 9;
-
-       return 0;
-}
-
 /* @return 1 if the SPI flash supports the 33MHz speed */
-static int ich9_can_do_33mhz(pci_dev_t dev)
+static int ich9_can_do_33mhz(struct udevice *dev)
 {
        u32 fdod, speed;
 
        /* Observe SPI Descriptor Component Section 0 */
-       pci_write_config_dword(dev, 0xb0, 0x1000);
+       dm_pci_write_config32(dev->parent, 0xb0, 0x1000);
 
        /* Extract the Write/Erase SPI Frequency from descriptor */
-       pci_read_config_dword(dev, 0xb4, &fdod);
+       dm_pci_read_config32(dev->parent, 0xb4, &fdod);
 
        /* Bits 23:21 have the fast read clock frequency, 0=20MHz, 1=33MHz */
        speed = (fdod >> 21) & 7;
@@ -163,59 +137,22 @@ static int ich9_can_do_33mhz(pci_dev_t dev)
        return speed == 1;
 }
 
-static int ich_find_spi_controller(struct ich_spi_platdata *ich)
-{
-       int last_bus = pci_last_busno();
-       int bus;
-
-       if (last_bus == -1) {
-               debug("No PCI busses?\n");
-               return -ENODEV;
-       }
-
-       for (bus = 0; bus <= last_bus; bus++) {
-               uint16_t vendor_id, device_id;
-               uint32_t ids;
-               pci_dev_t dev;
-
-               dev = PCI_BDF(bus, 31, 0);
-               pci_read_config_dword(dev, 0, &ids);
-               vendor_id = ids;
-               device_id = ids >> 16;
-
-               if (vendor_id == PCI_VENDOR_ID_INTEL) {
-                       ich->dev = dev;
-                       ich->ich_version = get_ich_version(device_id);
-                       if (device_id == PCI_DEVICE_ID_INTEL_VALLEYVIEW_LPC)
-                               ich->use_sbase = true;
-                       return ich->ich_version == 0 ? -ENODEV : 0;
-               }
-       }
-
-       debug("ICH SPI: No ICH found.\n");
-       return -ENODEV;
-}
-
-static int ich_init_controller(struct ich_spi_platdata *plat,
+static int ich_init_controller(struct udevice *dev,
+                              struct ich_spi_platdata *plat,
                               struct ich_spi_priv *ctlr)
 {
-       uint8_t *rcrb; /* Root Complex Register Block */
-       uint32_t rcba; /* Root Complex Base Address */
-       uint32_t sbase_addr;
-       uint8_t *sbase;
-
-       pci_read_config_dword(plat->dev, 0xf0, &rcba);
-       /* Bits 31-14 are the base address, 13-1 are reserved, 0 is enable. */
-       rcrb = (uint8_t *)(rcba & 0xffffc000);
+       ulong sbase_addr;
+       void *sbase;
 
        /* SBASE is similar */
-       pci_read_config_dword(plat->dev, 0x54, &sbase_addr);
-       sbase = (uint8_t *)(sbase_addr & 0xfffffe00);
+       pch_get_sbase(dev->parent, &sbase_addr);
+       sbase = (void *)sbase_addr;
+       debug("%s: sbase=%p\n", __func__, sbase);
 
-       if (plat->ich_version == 7) {
-               struct ich7_spi_regs *ich7_spi;
+       if (plat->ich_version == PCHV_7) {
+               struct ich7_spi_regs *ich7_spi = sbase;
 
-               ich7_spi = (struct ich7_spi_regs *)(rcrb + 0x3020);
+               ich7_spi = (struct ich7_spi_regs *)sbase;
                ctlr->ichspi_lock = readw(&ich7_spi->spis) & SPIS_LOCK;
                ctlr->opmenu = offsetof(struct ich7_spi_regs, opmenu);
                ctlr->menubytes = sizeof(ich7_spi->opmenu);
@@ -228,13 +165,9 @@ static int ich_init_controller(struct ich_spi_platdata *plat,
                ctlr->bbar = offsetof(struct ich7_spi_regs, bbar);
                ctlr->preop = offsetof(struct ich7_spi_regs, preop);
                ctlr->base = ich7_spi;
-       } else if (plat->ich_version == 9) {
-               struct ich9_spi_regs *ich9_spi;
+       } else if (plat->ich_version == PCHV_9) {
+               struct ich9_spi_regs *ich9_spi = sbase;
 
-               if (plat->use_sbase)
-                       ich9_spi = (struct ich9_spi_regs *)sbase;
-               else
-                       ich9_spi = (struct ich9_spi_regs *)(rcrb + 0x3800);
                ctlr->ichspi_lock = readw(&ich9_spi->hsfs) & HSFS_FLOCKDN;
                ctlr->opmenu = offsetof(struct ich9_spi_regs, opmenu);
                ctlr->menubytes = sizeof(ich9_spi->opmenu);
@@ -258,9 +191,9 @@ static int ich_init_controller(struct ich_spi_platdata *plat,
 
        /* Work out the maximum speed we can support */
        ctlr->max_speed = 20000000;
-       if (plat->ich_version == 9 && ich9_can_do_33mhz(plat->dev))
+       if (plat->ich_version == PCHV_9 && ich9_can_do_33mhz(dev))
                ctlr->max_speed = 33000000;
-       debug("ICH SPI: Version %d detected at %p, speed %ld\n",
+       debug("ICH SPI: Version ID %d detected at %p, speed %ld\n",
              plat->ich_version, ctlr->base, ctlr->max_speed);
 
        ich_set_bbar(ctlr, 0);
@@ -487,7 +420,7 @@ static int ich_spi_xfer(struct udevice *dev, unsigned int bitlen,
        if (ret < 0)
                return ret;
 
-       if (plat->ich_version == 7)
+       if (plat->ich_version == PCHV_7)
                ich_writew(ctlr, SPIS_CDS | SPIS_FCERR, ctlr->status);
        else
                ich_writeb(ctlr, SPIS_CDS | SPIS_FCERR, ctlr->status);
@@ -682,30 +615,30 @@ int spi_write_protect_region(struct udevice *dev, uint32_t lower_limit,
        return 0;
 }
 
-static int ich_spi_probe(struct udevice *bus)
+static int ich_spi_probe(struct udevice *dev)
 {
-       struct ich_spi_platdata *plat = dev_get_platdata(bus);
-       struct ich_spi_priv *priv = dev_get_priv(bus);
+       struct ich_spi_platdata *plat = dev_get_platdata(dev);
+       struct ich_spi_priv *priv = dev_get_priv(dev);
        uint8_t bios_cntl;
        int ret;
 
-       ret = ich_init_controller(plat, priv);
+       /* Check the ICH version */
+       plat->ich_version = pch_get_version(dev->parent);
+
+       ret = ich_init_controller(dev, plat, priv);
        if (ret)
                return ret;
-       /*
-        * Disable the BIOS write protect so write commands are allowed.  On
-        * v9, deassert SMM BIOS Write Protect Disable.
-        */
-       if (plat->use_sbase) {
+       /* Disable the BIOS write protect so write commands are allowed */
+       ret = pch_set_spi_protect(dev->parent, false);
+       if (ret == -ENOSYS) {
                bios_cntl = ich_readb(priv, priv->bcr);
                bios_cntl &= ~BIT(5);   /* clear Enable InSMM_STS (EISS) */
                bios_cntl |= 1;         /* Write Protect Disable (WPD) */
                ich_writeb(priv, bios_cntl, priv->bcr);
-       } else {
-               pci_read_config_byte(plat->dev, 0xdc, &bios_cntl);
-               if (plat->ich_version == 9)
-                       bios_cntl &= ~BIT(5);
-               pci_write_config_byte(plat->dev, 0xdc, bios_cntl | 0x1);
+       } else if (ret) {
+               debug("%s: Failed to disable write-protect: err=%d\n",
+                     __func__, ret);
+               return ret;
        }
 
        priv->cur_speed = priv->max_speed;
@@ -713,18 +646,6 @@ static int ich_spi_probe(struct udevice *bus)
        return 0;
 }
 
-static int ich_spi_ofdata_to_platdata(struct udevice *bus)
-{
-       struct ich_spi_platdata *plat = dev_get_platdata(bus);
-       int ret;
-
-       ret = ich_find_spi_controller(plat);
-       if (ret)
-               return ret;
-
-       return 0;
-}
-
 static int ich_spi_set_speed(struct udevice *bus, uint speed)
 {
        struct ich_spi_priv *priv = dev_get_priv(bus);
@@ -757,7 +678,7 @@ static int ich_spi_child_pre_probe(struct udevice *dev)
         * ICH 7 SPI controller only supports array read command
         * and byte program command for SST flash
         */
-       if (plat->ich_version == 7) {
+       if (plat->ich_version == PCHV_7) {
                slave->mode_rx = SPI_RX_SLOW;
                slave->mode = SPI_TX_BYTE;
        }
@@ -785,7 +706,6 @@ U_BOOT_DRIVER(ich_spi) = {
        .id     = UCLASS_SPI,
        .of_match = ich_spi_ids,
        .ops    = &ich_spi_ops,
-       .ofdata_to_platdata = ich_spi_ofdata_to_platdata,
        .platdata_auto_alloc_size = sizeof(struct ich_spi_platdata),
        .priv_auto_alloc_size = sizeof(struct ich_spi_priv),
        .child_pre_probe = ich_spi_child_pre_probe,