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-rw-r--r--arch/x86/cpu/coreboot/pci.c3
-rw-r--r--arch/x86/cpu/irq.c7
-rw-r--r--arch/x86/cpu/ivybridge/bd82x6x.c47
-rw-r--r--arch/x86/dts/bayleybay.dts160
-rw-r--r--arch/x86/dts/broadwell_som-6896.dts24
-rw-r--r--arch/x86/dts/chromebook_link.dts5
-rw-r--r--arch/x86/dts/chromebox_panther.dts34
-rw-r--r--arch/x86/dts/crownbay.dts150
-rw-r--r--arch/x86/dts/galileo.dts99
-rw-r--r--arch/x86/dts/minnowmax.dts158
-rw-r--r--arch/x86/dts/qemu-x86_i440fx.dts26
-rw-r--r--arch/x86/dts/qemu-x86_q35.dts38
-rw-r--r--drivers/spi/ich.c152
13 files changed, 461 insertions, 442 deletions
diff --git a/arch/x86/cpu/coreboot/pci.c b/arch/x86/cpu/coreboot/pci.c
index 41e29a6..7f5087a 100644
--- a/arch/x86/cpu/coreboot/pci.c
+++ b/arch/x86/cpu/coreboot/pci.c
@@ -14,7 +14,8 @@
#include <pci.h>
static const struct udevice_id generic_pch_ids[] = {
- { .compatible = "intel,pch" },
+ { .compatible = "intel,pch7" },
+ { .compatible = "intel,pch9" },
{ }
};
diff --git a/arch/x86/cpu/irq.c b/arch/x86/cpu/irq.c
index 35b29f6..205405b 100644
--- a/arch/x86/cpu/irq.c
+++ b/arch/x86/cpu/irq.c
@@ -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;
diff --git a/arch/x86/cpu/ivybridge/bd82x6x.c b/arch/x86/cpu/ivybridge/bd82x6x.c
index 434dfd6..c000aca 100644
--- a/arch/x86/cpu/ivybridge/bd82x6x.c
+++ b/arch/x86/cpu/ivybridge/bd82x6x.c
@@ -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,
};
diff --git a/arch/x86/dts/bayleybay.dts b/arch/x86/dts/bayleybay.dts
index d3380de..9bf707b 100644
--- a/arch/x86/dts/bayleybay.dts
+++ b/arch/x86/dts/bayleybay.dts
@@ -65,23 +65,6 @@
};
};
- 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;
@@ -133,66 +116,91 @@
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>;
+ };
+ };
+ };
};
};
diff --git a/arch/x86/dts/broadwell_som-6896.dts b/arch/x86/dts/broadwell_som-6896.dts
index 194f0eb..4e9e410 100644
--- a/arch/x86/dts/broadwell_som-6896.dts
+++ b/arch/x86/dts/broadwell_som-6896.dts
@@ -29,16 +29,22 @@
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>;
+ };
+ };
};
};
+
};
diff --git a/arch/x86/dts/chromebook_link.dts b/arch/x86/dts/chromebook_link.dts
index c4469a9..a5c5dc1 100644
--- a/arch/x86/dts/chromebook_link.dts
+++ b/arch/x86/dts/chromebook_link.dts
@@ -186,9 +186,9 @@
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>;
@@ -200,6 +200,7 @@
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>;
diff --git a/arch/x86/dts/chromebox_panther.dts b/arch/x86/dts/chromebox_panther.dts
index 4e2b517..2302701 100644
--- a/arch/x86/dts/chromebox_panther.dts
+++ b/arch/x86/dts/chromebox_panther.dts
@@ -51,21 +51,27 @@
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>;
+ };
+ };
};
};
};
diff --git a/arch/x86/dts/crownbay.dts b/arch/x86/dts/crownbay.dts
index 84231b3..2a18be0 100644
--- a/arch/x86/dts/crownbay.dts
+++ b/arch/x86/dts/crownbay.dts
@@ -72,17 +72,6 @@
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"
@@ -170,68 +159,85 @@
};
};
- 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>;
+ };
+ };
};
};
diff --git a/arch/x86/dts/galileo.dts b/arch/x86/dts/galileo.dts
index 55165e1..9d82bb3 100644
--- a/arch/x86/dts/galileo.dts
+++ b/arch/x86/dts/galileo.dts
@@ -79,37 +79,59 @@
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>;
+ };
+ };
+ };
};
};
@@ -127,21 +149,4 @@
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>;
- };
- };
- };
-
};
diff --git a/arch/x86/dts/minnowmax.dts b/arch/x86/dts/minnowmax.dts
index bbfd6d4..e7ef7c9 100644
--- a/arch/x86/dts/minnowmax.dts
+++ b/arch/x86/dts/minnowmax.dts
@@ -150,66 +150,91 @@
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>;
+ };
+ };
+ };
};
};
@@ -269,23 +294,6 @@
};
};
- 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"
diff --git a/arch/x86/dts/qemu-x86_i440fx.dts b/arch/x86/dts/qemu-x86_i440fx.dts
index 9086b46..9c3f2a0 100644
--- a/arch/x86/dts/qemu-x86_i440fx.dts
+++ b/arch/x86/dts/qemu-x86_i440fx.dts
@@ -51,18 +51,22 @@
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
+ >;
+ };
};
};
diff --git a/arch/x86/dts/qemu-x86_q35.dts b/arch/x86/dts/qemu-x86_q35.dts
index 145e811..5d601b3 100644
--- a/arch/x86/dts/qemu-x86_q35.dts
+++ b/arch/x86/dts/qemu-x86_q35.dts
@@ -62,24 +62,28 @@
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
+ >;
+ };
};
};
diff --git a/drivers/spi/ich.c b/drivers/spi/ich.c
index 887510b..e543b8f 100644
--- a/drivers/spi/ich.c
+++ b/drivers/spi/ich.c
@@ -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,
generated by cgit v0.10.2 at 2024-08-15 11:24:22 (GMT)