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Add support for reserved regions to resources and coreboot tables. 

Signed-off-by: Myles Watson <mylesgw@gmail.com>
Acked-by: Myles Watson <mylesgw@gmail.com>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5795 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Myles Watson 2010-09-09 14:51:17 +00:00
parent 6b247d3ef8
commit e0a000cc12
2 changed files with 18 additions and 0 deletions
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17
src/arch/i386/boot/coreboot_table.c
View File

@ -488,6 +488,20 @@ static struct lb_memory *build_lb_mem(struct lb_header *head)
return mem;
}
static void lb_add_rsvd_range(void *gp, struct device *dev, struct resource *res)
{
struct lb_memory *mem = gp;
lb_add_memory_range(mem, LB_MEM_RESERVED, res->base, res->size);
}
static void add_lb_reserved(struct lb_memory *mem)
{
/* Add reserved ranges */
search_global_resources(
IORESOURCE_MEM | IORESOURCE_RESERVE, IORESOURCE_MEM | IORESOURCE_RESERVE,
lb_add_rsvd_range, mem);
}
#if CONFIG_WRITE_HIGH_TABLES == 1
extern uint64_t high_tables_base, high_tables_size;
#endif
@ -562,6 +576,9 @@ unsigned long write_coreboot_table(
high_tables_base, high_tables_size);
#endif
/* Add reserved regions */
add_lb_reserved(mem);
#if (CONFIG_HAVE_MAINBOARD_RESOURCES == 1)
add_mainboard_resources(mem);
#endif

1
src/include/device/resource.h
View File

@ -20,6 +20,7 @@
* to the bus below.
*/
#define IORESOURCE_BRIDGE 0x00080000 /* The IO resource has a bus below it. */
#define IORESOURCE_RESERVE 0x10000000 /* The resource needs to be reserved in the Coreboot table */
#define IORESOURCE_STORED 0x20000000 /* The IO resource assignment has been stored in the device */
#define IORESOURCE_ASSIGNED 0x40000000 /* An IO resource that has been assigned a value */
#define IORESOURCE_FIXED 0x80000000 /* An IO resource the allocator must not change */