diff options
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/device/device.h | 32 | ||||
| -rw-r--r-- | src/include/device/resource.h | 2 | ||||
| -rw-r--r-- | src/include/stddef.h | 15 |
3 files changed, 29 insertions, 20 deletions
diff --git a/src/include/device/device.h b/src/include/device/device.h index bb0d0ca8b8..7b4fce36ea 100644 --- a/src/include/device/device.h +++ b/src/include/device/device.h @@ -84,9 +84,9 @@ static inline void device_noop(struct device *dev) {} struct bus { - 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 */ + DEVTREE_CONST struct device *dev; /* This bridge device */ + DEVTREE_CONST struct device *children; /* devices behind this bridge */ + DEVTREE_CONST struct bus *next; /* The next bridge on this device */ unsigned int bridge_ctrl; /* Bridge control register */ uint16_t bridge_cmd; /* Bridge command register */ unsigned char link_num; /* The index of this link */ @@ -113,12 +113,12 @@ struct pci_irq_info { }; struct device { - ROMSTAGE_CONST struct bus *bus; /* bus this device is on, for bridge + DEVTREE_CONST struct bus *bus; /* bus this device is on, for bridge * devices, it is the up stream bus */ - ROMSTAGE_CONST struct device *sibling; /* next device on this bus */ + DEVTREE_CONST struct device *sibling; /* next device on this bus */ - ROMSTAGE_CONST struct device *next; /* chain of all devices */ + DEVTREE_CONST struct device *next; /* chain of all devices */ struct device_path path; unsigned int vendor; @@ -134,26 +134,26 @@ struct device { u8 command; /* Base registers for this device. I/O, MEM and Expansion ROM */ - ROMSTAGE_CONST struct resource *resource_list; + DEVTREE_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 */ - ROMSTAGE_CONST struct bus *link_list; + DEVTREE_CONST struct bus *link_list; struct device_operations *ops; -#ifndef __PRE_RAM__ +#if !DEVTREE_EARLY struct chip_operations *chip_ops; const char *name; #endif - ROMSTAGE_CONST void *chip_info; + DEVTREE_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 ROMSTAGE_CONST struct device dev_root; +extern DEVTREE_CONST struct device dev_root; #ifndef __SIMPLE_DEVICE__ @@ -272,13 +272,13 @@ u32 find_pci_tolm(struct bus *bus); #else /* vv __SIMPLE_DEVICE__ vv */ -ROMSTAGE_CONST struct device *dev_find_slot(unsigned int bus, +DEVTREE_CONST struct device *dev_find_slot(unsigned int bus, unsigned int devfn); -ROMSTAGE_CONST struct device *dev_find_next_pci_device( - ROMSTAGE_CONST struct device *previous_dev); -ROMSTAGE_CONST struct device *dev_find_slot_on_smbus(unsigned int bus, +DEVTREE_CONST struct device *dev_find_next_pci_device( + DEVTREE_CONST struct device *previous_dev); +DEVTREE_CONST struct device *dev_find_slot_on_smbus(unsigned int bus, unsigned int addr); -ROMSTAGE_CONST struct device *dev_find_slot_pnp(u16 port, u16 device); +DEVTREE_CONST struct device *dev_find_slot_pnp(u16 port, u16 device); #endif diff --git a/src/include/device/resource.h b/src/include/device/resource.h index d794fb21e7..eefaf96e28 100644 --- a/src/include/device/resource.h +++ b/src/include/device/resource.h @@ -42,7 +42,7 @@ 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 */ - ROMSTAGE_CONST struct resource *next; /* Next resource in the list */ + DEVTREE_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 */ diff --git a/src/include/stddef.h b/src/include/stddef.h index d0308d2580..af63196697 100644 --- a/src/include/stddef.h +++ b/src/include/stddef.h @@ -2,6 +2,7 @@ #define STDDEF_H #include <commonlib/helpers.h> +#include <rules.h> typedef long ptrdiff_t; #ifndef __SIZE_TYPE__ @@ -21,10 +22,18 @@ typedef unsigned int wint_t; #define NULL ((void *)0) -#ifdef __PRE_RAM__ -#define ROMSTAGE_CONST const +/* The devicetree data structures are only mutable in ramstage. All other + stages have a constant devicetree. */ +#if !ENV_RAMSTAGE +#define DEVTREE_EARLY 1 #else -#define ROMSTAGE_CONST +#define DEVTREE_EARLY 0 +#endif + +#if DEVTREE_EARLY +#define DEVTREE_CONST const +#else +#define DEVTREE_CONST #endif /* Work around non-writable data segment in execute-in-place romstage on x86. */ |