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Intel Sandybridge: add reserved memory as resources

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Reserved memory resources will get removed from memory table at
the end of write_coreboot_table(),

Change-Id: I02711b4be4f25054bd3361295d8d4dc996b2eb3e
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/1372
Tested-by: build bot (Jenkins)
Reviewed-by: Anton Kochkov <anton.kochkov@gmail.com>
This commit is contained in:
Kyösti Mälkki
2012-07-26 23:51:20 +03:00
committed by Anton Kochkov
parent 51676b14e8
commit 1ec5e744c6
4 changed files with 28 additions and 17 deletions
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12
src/include/device/device.h
View File

@@ -173,17 +173,25 @@ unsigned int scan_static_bus(device_t bus, unsigned int max);
void fixed_mem_resource(device_t dev, unsigned long index,
unsigned long basek, unsigned long sizek, unsigned long type);
/* It is the caller's responsibility to adjust regions such that ram_resource()
* and mmio_resource() do not overlap.
*
* Current MTRR setup creates exclusive uncacheable holes for uma_resource()
* only and these are allowed to overlap any ram_resource(). This approach
* is used for all UMA except Intel Sandy/IvyBridge.
*/
#define ram_resource(dev, idx, basek, sizek) \
fixed_mem_resource(dev, idx, basek, sizek, IORESOURCE_CACHEABLE)
#define bad_ram_resource(dev, idx, basek, sizek) \
fixed_mem_resource(dev, idx, basek, sizek, IORESOURCE_RESERVE | IORESOURCE_CACHEABLE )
fixed_mem_resource(dev, idx, basek, sizek, IORESOURCE_RESERVE | IORESOURCE_IGNORE_MTRR)
#define uma_resource(dev, idx, basek, sizek) \
fixed_mem_resource(dev, idx, basek, sizek, IORESOURCE_RESERVE | IORESOURCE_UMA_FB)
#define mmio_resource(dev, idx, basek, sizek) \
fixed_mem_resource(dev, idx, basek, sizek, IORESOURCE_RESERVE)
fixed_mem_resource(dev, idx, basek, sizek, IORESOURCE_RESERVE | IORESOURCE_IGNORE_MTRR)
void tolm_test(void *gp, struct device *dev, struct resource *new);
u32 find_pci_tolm(struct bus *bus);

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

@@ -21,6 +21,7 @@
*/
#define IORESOURCE_BRIDGE 0x00080000 /* The IO resource has a bus below it. */
#define IORESOURCE_UMA_FB 0x00100000 /* UMA framebuffer */
#define IORESOURCE_IGNORE_MTRR 0x00200000 /* The resource does not affect MTRR setup. */
#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 */