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PCI memory access working

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This commit is contained in:
Markus Fröschle
2016-10-15 21:26:49 +00:00
parent 369cc9dc0a
commit 42729fa2ea
68 changed files with 14798 additions and 2460 deletions
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19
include/mmu.h
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@@ -30,8 +30,8 @@
/*
* ACR register handling macros
*/
#define ACR_BA(x) ((x) & 0xffff0000)
#define ACR_ADMSK(x) (((x) & 0xffff) << 16)
#define ACR_BA(x) ((x) & 0xff000000)
#define ACR_ADMSK(x) (((x) & 0xff) << 16)
#define ACR_E(x) (((x) & 1) << 15)
#define ACR_S(x) (((x) & 3) << 13)
@@ -45,6 +45,17 @@
#define ACR_SUPERVISOR_PROTECT(x) (((x) & 1) << 3)
#define ACR_WRITE_PROTECT(x) (((x) & 1) << 2)
#define ACR_AMM(x) (((x) & 1) << 10)
#define ACR_CM(x) (((x) & 3) << 5)
#define ACR_CM_CACHEABLE_WT 0x0
#define ACR_CM_CACHEABLE_CB 0x1
#define ACR_CM_CACHE_INH_PRECISE 0x2
#define ACR_CM_CACHE_INH_IMPRECISE 0x3
#define ACR_SP(x) (((x) & 1) << 3)
#define ACR_W(x) (((x) & 1) << 2)
/*
* MMU register handling macros
@@ -98,7 +109,7 @@ enum mmu_page_size
extern long video_tlb;
extern long video_sbt;
struct mmu_page_descriptor
struct mmu_page_descriptor_ram
{
uint8_t cache_mode : 2;
uint8_t supervisor_protect : 1;
@@ -110,7 +121,7 @@ struct mmu_page_descriptor
};
extern void mmu_init(void);
extern uint32_t mmu_map_page(uint32_t virt, uint32_t phys, enum mmu_page_size sz, uint8_t page_id, const struct mmu_page_descriptor *flags);
extern uint32_t mmu_map_page(uint32_t virt, uint32_t phys, enum mmu_page_size sz, uint8_t page_id, const struct mmu_page_descriptor_ram *flags);
/*
* API functions for the BaS driver interface