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-rw-r--r--src/arch/x86/include/stddef.h6
-rw-r--r--src/cpu/amd/agesa/s3_resume.c2
-rw-r--r--src/devices/Makefile.inc2
-rw-r--r--src/devices/device_romstage.c80
-rw-r--r--src/ec/lenovo/pmh7/pmh7.c4
-rw-r--r--src/include/device/device.h35
-rw-r--r--src/include/device/pci.h3
-rw-r--r--src/include/device/resource.h3
8 files changed, 122 insertions, 13 deletions
diff --git a/src/arch/x86/include/stddef.h b/src/arch/x86/include/stddef.h
index a6c3fc6e15..fc89de54de 100644
--- a/src/arch/x86/include/stddef.h
+++ b/src/arch/x86/include/stddef.h
@@ -15,4 +15,10 @@ typedef unsigned int wint_t;
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
+#ifdef __PRE_RAM__
+#define ROMSTAGE_CONST const
+#else
+#define ROMSTAGE_CONST
+#endif
+
#endif /* I386_STDDEF_H */
diff --git a/src/cpu/amd/agesa/s3_resume.c b/src/cpu/amd/agesa/s3_resume.c
index 6bb053d7a1..0348a9f746 100644
--- a/src/cpu/amd/agesa/s3_resume.c
+++ b/src/cpu/amd/agesa/s3_resume.c
@@ -29,7 +29,9 @@
#endif
#include <device/device.h>
#include <device/pci.h>
+#ifndef __PRE_RAM__
#include <device/pci_ops.h>
+#endif
#include <arch/io.h>
#include <arch/acpi.h>
#include <string.h>
diff --git a/src/devices/Makefile.inc b/src/devices/Makefile.inc
index 9ffc0bb921..9a2f71e683 100644
--- a/src/devices/Makefile.inc
+++ b/src/devices/Makefile.inc
@@ -11,6 +11,8 @@ ramstage-y += pnp_device.c
ramstage-y += pci_ops.c
ramstage-y += smbus_ops.c
+romstage-y+= device_romstage.c
+
subdirs-y += oprom
ifeq ($(CONFIG_PCI_ROM_RUN),y)
diff --git a/src/devices/device_romstage.c b/src/devices/device_romstage.c
new file mode 100644
index 0000000000..475f94aeaf
--- /dev/null
+++ b/src/devices/device_romstage.c
@@ -0,0 +1,80 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2003-2004 Linux Networx
+ * (Written by Eric Biederman <ebiederman@lnxi.com> for Linux Networx)
+ * Copyright (C) 2003 Greg Watson <jarrah@users.sourceforge.net>
+ * Copyright (C) 2004 Li-Ta Lo <ollie@lanl.gov>
+ * Copyright (C) 2005-2006 Tyan
+ * (Written by Yinghai Lu <yhlu@tyan.com> for Tyan)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <device/device.h>
+#include <device/path.h>
+#include <device/pci.h>
+#include <device/resource.h>
+
+/** Linked list of ALL devices */
+ROMSTAGE_CONST struct device * ROMSTAGE_CONST all_devices = &dev_root;
+
+/**
+ * Given a PCI bus and a devfn number, find the device structure.
+ *
+ * @param bus The bus number.
+ * @param devfn A device/function number.
+ * @return Pointer to the device structure (if found), 0 otherwise.
+ */
+ROMSTAGE_CONST struct device *dev_find_slot(unsigned int bus,
+ unsigned int devfn)
+{
+ ROMSTAGE_CONST struct device *dev, *result;
+
+ result = 0;
+ for (dev = all_devices; dev; dev = dev->next) {
+ if ((dev->path.type == DEVICE_PATH_PCI) &&
+ (dev->bus->secondary == bus) &&
+ (dev->path.pci.devfn == devfn)) {
+ result = dev;
+ break;
+ }
+ }
+ return result;
+}
+
+/**
+ * Given an SMBus bus and a device number, find the device structure.
+ *
+ * @param bus The bus number.
+ * @param addr A device number.
+ * @return Pointer to the device structure (if found), 0 otherwise.
+ */
+ROMSTAGE_CONST struct device *dev_find_slot_on_smbus(unsigned int bus,
+ unsigned int addr)
+{
+ ROMSTAGE_CONST struct device *dev, *result;
+
+ result = 0;
+ for (dev = all_devices; dev; dev = dev->next) {
+ if ((dev->path.type == DEVICE_PATH_I2C) &&
+ (dev->bus->secondary == bus) &&
+ (dev->path.i2c.device == addr)) {
+ result = dev;
+ break;
+ }
+ }
+ return result;
+}
+
diff --git a/src/ec/lenovo/pmh7/pmh7.c b/src/ec/lenovo/pmh7/pmh7.c
index 844e233e9f..28f3814071 100644
--- a/src/ec/lenovo/pmh7/pmh7.c
+++ b/src/ec/lenovo/pmh7/pmh7.c
@@ -19,8 +19,12 @@
#include <arch/io.h>
#include <console/console.h>
+#ifndef __PRE_RAM__
+#ifndef __SMM__
#include <device/device.h>
#include <device/pnp.h>
+#endif
+#endif
#include <stdlib.h>
#include "pmh7.h"
#include "chip.h"
diff --git a/src/include/device/device.h b/src/include/device/device.h
index 0b15ac5aed..b44a551d77 100644
--- a/src/include/device/device.h
+++ b/src/include/device/device.h
@@ -2,11 +2,12 @@
#define DEVICE_H
#include <stdint.h>
+#include <stddef.h>
#include <device/resource.h>
#include <device/path.h>
-
struct device;
+#ifndef __PRE_RAM__
typedef struct device * device_t;
struct pci_operations;
struct pci_bus_operations;
@@ -42,12 +43,14 @@ struct device_operations {
const struct smbus_bus_operations *ops_smbus_bus;
const struct pci_bus_operations *ops_pci_bus;
};
+#endif
struct bus {
- device_t dev; /* This bridge device */
- device_t children; /* devices behind this bridge */
- struct bus *next; /* The next bridge on this device */
+
+ ROMSTAGE_CONST struct device * dev; /* This bridge device */
+ ROMSTAGE_CONST struct device * children; /* devices behind this bridge */
+ ROMSTAGE_CONST struct bus *next; /* The next bridge on this device */
unsigned bridge_ctrl; /* Bridge control register */
unsigned char link_num; /* The index of this link */
uint16_t secondary; /* secondary bus number */
@@ -70,10 +73,12 @@ struct pci_irq_info {
};
struct device {
- struct bus * bus; /* bus this device is on, for bridge
+ ROMSTAGE_CONST struct bus * bus; /* bus this device is on, for bridge
* devices, it is the up stream bus */
- device_t sibling; /* next device on this bus */
- device_t next; /* chain of all devices */
+
+ ROMSTAGE_CONST struct device * sibling; /* next device on this bus */
+
+ ROMSTAGE_CONST struct device * next; /* chain of all devices */
struct device_path path;
unsigned vendor;
@@ -89,23 +94,24 @@ struct device {
u8 command;
/* Base registers for this device. I/O, MEM and Expansion ROM */
- struct resource *resource_list;
+ ROMSTAGE_CONST struct resource *resource_list;
/* links are (downstream) buses attached to the device, usually a leaf
* device with no children has 0 buses attached and a bridge has 1 bus
*/
- struct bus *link_list;
+ ROMSTAGE_CONST struct bus *link_list;
struct device_operations *ops;
const struct chip_operations *chip_ops;
- void *chip_info;
+ ROMSTAGE_CONST void *chip_info;
};
/**
* This is the root of the device tree. The device tree is defined in the
* static.c file and is generated by the config tool at compile time.
*/
-extern struct device dev_root;
+extern ROMSTAGE_CONST struct device dev_root;
+#ifndef __PRE_RAM__
extern struct device *all_devices; /* list of all devices */
extern struct resource *free_resources;
@@ -195,5 +201,10 @@ void fixed_mem_resource(device_t dev, unsigned long index,
void tolm_test(void *gp, struct device *dev, struct resource *new);
u32 find_pci_tolm(struct bus *bus);
-
+#else
+ROMSTAGE_CONST struct device * dev_find_slot (unsigned int bus,
+ unsigned int devfn);
+ROMSTAGE_CONST struct device * dev_find_slot_on_smbus (unsigned int bus,
+ unsigned int addr);
+#endif
#endif /* DEVICE_H */
diff --git a/src/include/device/pci.h b/src/include/device/pci.h
index 51d52835fd..a215a2a028 100644
--- a/src/include/device/pci.h
+++ b/src/include/device/pci.h
@@ -16,9 +16,11 @@
#define PCI_H
#include <stdint.h>
+#include <stddef.h>
#include <device/pci_def.h>
#include <device/resource.h>
#include <device/device.h>
+#ifndef __PRE_RAM__
#include <device/pci_ops.h>
#include <device/pci_rom.h>
@@ -107,4 +109,5 @@ static inline const struct pci_bus_operations *ops_pci_bus(struct bus *bus)
unsigned mainboard_pci_subsystem_vendor_id(struct device *dev);
unsigned mainboard_pci_subsystem_device_id(struct device *dev);
+#endif
#endif /* PCI_H */
diff --git a/src/include/device/resource.h b/src/include/device/resource.h
index c28ada5242..ddedc2fd29 100644
--- a/src/include/device/resource.h
+++ b/src/include/device/resource.h
@@ -2,6 +2,7 @@
#define DEVICE_RESOURCE_H
#include <stdint.h>
+#include <stddef.h>
#define IORESOURCE_BITS 0x000000ff /* Bus-specific bits */
@@ -72,7 +73,7 @@ struct resource {
resource_t base; /* Base address of the resource */
resource_t size; /* Size of the resource */
resource_t limit; /* Largest valid value base + size -1 */
- struct resource* next; /* Next resource in the list */
+ ROMSTAGE_CONST struct resource* next; /* Next resource in the list */
unsigned long flags; /* Descriptions of the kind of resource */
unsigned long index; /* Bus specific per device resource id */
unsigned char align; /* Required alignment (log 2) of the resource */
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-15 14:22:20 +0000