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PCI memory configuration done, still experimental

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Markus Fröschle
2013-11-02 07:37:47 +00:00
parent f2e56296ad
commit 03e691ad2b
2 changed files with 61 additions and 3 deletions
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9
include/pci.h
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@@ -22,9 +22,9 @@
*/
#define PCI_MEMORY_OFFSET (0x80000000)
#define PCI_MEMORY_SIZE (0x40000000)
#define PCI_MEMORY_SIZE (0x40000000) /* 1 GByte PCI memory window */
#define PCI_IO_OFFSET (0xD0000000)
#define PCI_IO_SIZE (0x10000000)
#define PCI_IO_SIZE (0x10000000) /* 128 MByte PCI I/O window */
/* PCI configuration space macros */
@@ -61,6 +61,11 @@
#define PCI_INTERRUPT_PIN(i) (((i) & 0xff00) >> 8)
#define PCI_INTERRUPT_LINE(i) (((i)) & 0xff)
#define IS_PCI_MEM_BAR(I) ((i) & 1) == 0
#define IS_PCI_IO_BAR(i) ((i) & 1) == 1
#define PCI_MEMBAR_TYPE(i) (((i) & 0x6) >> 1)
#define PCI_IOBAR_ADR(i) (((i) & 0xfffffffc))
#define PCI_MEMBAR_ADR(i) (((i) & 0xfffffff0))
extern void init_eport(void);
extern void init_xlbus_arbiter(void);
extern void init_pci(void);