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leon, grpci2: updated DMA descriptor layout

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This commit is contained in:
Javier Jalle
2017-01-26 16:03:19 +01:00
committed by Daniel Hellstrom
parent d9d8dbdf09
commit bb8e099c48
1 changed files with 13 additions and 9 deletions
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22
c/src/lib/libbsp/sparc/shared/pci/grpci2.c
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@@ -152,10 +152,12 @@ struct grpci2_bd_chan {
volatile unsigned int res; /* 0x0C Reserved */
};
#define BD_CHAN_EN 0x80000000
#define BD_CHAN_TYPE 0x00300000
#define BD_CHAN_BDCNT 0x0000ffff
#define BD_CHAN_EN (1<<BD_CHAN_EN_BIT)
#define BD_CHAN_ID (0x3<<BD_CHAN_ID_BIT)
#define BD_CHAN_TYPE (0x3<<BD_CHAN_TYPE_BIT)
#define BD_CHAN_BDCNT (0xffff<<BD_CHAN_BDCNT_BIT)
#define BD_CHAN_EN_BIT 31
#define BD_CHAN_ID_BIT 22
#define BD_CHAN_TYPE_BIT 20
#define BD_CHAN_BDCNT_BIT 0
@@ -166,15 +168,17 @@ struct grpci2_bd_data {
volatile unsigned int next; /* 0x0C Next Data Descriptor in channel */
};
#define BD_DATA_EN 0x80000000
#define BD_DATA_IE 0x40000000
#define BD_DATA_DR 0x20000000
#define BD_DATA_TYPE 0x00300000
#define BD_DATA_ER 0x00080000
#define BD_DATA_LEN 0x0000ffff
#define BD_DATA_EN (0x1<<BD_DATA_EN_BIT)
#define BD_DATA_IE (0x1<<BD_DATA_IE_BIT)
#define BD_DATA_DR (0x1<<BD_DATA_DR_BIT)
#define BD_DATA_BE (0x1<<BD_DATA_BE_BIT)
#define BD_DATA_TYPE (0x3<<BD_DATA_TYPE_BIT)
#define BD_DATA_ER (0x1<<BD_DATA_ER_BIT)
#define BD_DATA_LEN (0xffff<<BD_DATA_LEN_BIT)
#define BD_DATA_EN_BIT 31
#define BD_DATA_IE_BIT 30
#define BD_DATA_DR_BIT 29
#define BD_DATA_BE_BIT 28
#define BD_DATA_TYPE_BIT 20
#define BD_DATA_ER_BIT 19
#define BD_DATA_LEN_BIT 0