f3f66f599d
The official name for BPA is now CBEA (Cell Broadband Engine Architecture). This patch renames all occurences of the term BPA to 'Cell' for easier recognition. Signed-off-by: Arnd Bergmann <arndb@de.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
#ifndef CELL_IOMMU_H
|
|
#define CELL_IOMMU_H
|
|
|
|
/* some constants */
|
|
enum {
|
|
/* segment table entries */
|
|
IOST_VALID_MASK = 0x8000000000000000ul,
|
|
IOST_TAG_MASK = 0x3000000000000000ul,
|
|
IOST_PT_BASE_MASK = 0x000003fffffff000ul,
|
|
IOST_NNPT_MASK = 0x0000000000000fe0ul,
|
|
IOST_PS_MASK = 0x000000000000000ful,
|
|
|
|
IOST_PS_4K = 0x1,
|
|
IOST_PS_64K = 0x3,
|
|
IOST_PS_1M = 0x5,
|
|
IOST_PS_16M = 0x7,
|
|
|
|
/* iopt tag register */
|
|
IOPT_VALID_MASK = 0x0000000200000000ul,
|
|
IOPT_TAG_MASK = 0x00000001fffffffful,
|
|
|
|
/* iopt cache register */
|
|
IOPT_PROT_MASK = 0xc000000000000000ul,
|
|
IOPT_PROT_NONE = 0x0000000000000000ul,
|
|
IOPT_PROT_READ = 0x4000000000000000ul,
|
|
IOPT_PROT_WRITE = 0x8000000000000000ul,
|
|
IOPT_PROT_RW = 0xc000000000000000ul,
|
|
IOPT_COHERENT = 0x2000000000000000ul,
|
|
|
|
IOPT_ORDER_MASK = 0x1800000000000000ul,
|
|
/* order access to same IOID/VC on same address */
|
|
IOPT_ORDER_ADDR = 0x0800000000000000ul,
|
|
/* similar, but only after a write access */
|
|
IOPT_ORDER_WRITES = 0x1000000000000000ul,
|
|
/* Order all accesses to same IOID/VC */
|
|
IOPT_ORDER_VC = 0x1800000000000000ul,
|
|
|
|
IOPT_RPN_MASK = 0x000003fffffff000ul,
|
|
IOPT_HINT_MASK = 0x0000000000000800ul,
|
|
IOPT_IOID_MASK = 0x00000000000007fful,
|
|
|
|
IOSTO_ENABLE = 0x8000000000000000ul,
|
|
IOSTO_ORIGIN = 0x000003fffffff000ul,
|
|
IOSTO_HW = 0x0000000000000800ul,
|
|
IOSTO_SW = 0x0000000000000400ul,
|
|
|
|
IOCMD_CONF_TE = 0x0000800000000000ul,
|
|
|
|
/* memory mapped registers */
|
|
IOC_PT_CACHE_DIR = 0x000,
|
|
IOC_ST_CACHE_DIR = 0x800,
|
|
IOC_PT_CACHE_REG = 0x910,
|
|
IOC_ST_ORIGIN = 0x918,
|
|
IOC_CONF = 0x930,
|
|
|
|
/* The high bit needs to be set on every DMA address,
|
|
only 2GB are addressable */
|
|
CELL_DMA_VALID = 0x80000000,
|
|
CELL_DMA_MASK = 0x7fffffff,
|
|
};
|
|
|
|
|
|
void cell_init_iommu(void);
|
|
|
|
#endif
|