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path: root/drivers/bus/dpaa/base/fman/fman_hw.c
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Diffstat (limited to 'drivers/bus/dpaa/base/fman/fman_hw.c')
-rw-r--r--drivers/bus/dpaa/base/fman/fman_hw.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/bus/dpaa/base/fman/fman_hw.c b/drivers/bus/dpaa/base/fman/fman_hw.c
index 077c17c0..d66efa12 100644
--- a/drivers/bus/dpaa/base/fman/fman_hw.c
+++ b/drivers/bus/dpaa/base/fman/fman_hw.c
@@ -39,6 +39,8 @@
#include <fsl_fman_crc64.h>
#include <fsl_bman.h>
+#define FMAN_SP_EXT_BUF_MARG_START_SHIFT 16
+
/* Instantiate the global variable that the inline CRC64 implementation (in
* <fsl_fman.h>) depends on.
*/
@@ -445,20 +447,16 @@ fman_if_set_fc_quanta(struct fman_if *fm_if, u16 pause_quanta)
int
fman_if_get_fdoff(struct fman_if *fm_if)
{
- u32 fmbm_ricp;
+ u32 fmbm_rebm;
int fdoff;
- int iceof_mask = 0x001f0000;
- int icsz_mask = 0x0000001f;
struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if);
assert(fman_ccsr_map_fd != -1);
- fmbm_ricp =
- in_be32(&((struct rx_bmi_regs *)__if->bmi_map)->fmbm_ricp);
- /*iceof + icsz*/
- fdoff = ((fmbm_ricp & iceof_mask) >> 16) * 16 +
- (fmbm_ricp & icsz_mask) * 16;
+ fmbm_rebm = in_be32(&((struct rx_bmi_regs *)__if->bmi_map)->fmbm_rebm);
+
+ fdoff = (fmbm_rebm >> FMAN_SP_EXT_BUF_MARG_START_SHIFT) & 0x1ff;
return fdoff;
}
@@ -525,12 +523,16 @@ fman_if_set_fdoff(struct fman_if *fm_if, uint32_t fd_offset)
{
struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if);
unsigned int *fmbm_rebm;
+ int val = 0;
+ int fmbm_mask = 0x01ff0000;
+
+ val = fd_offset << FMAN_SP_EXT_BUF_MARG_START_SHIFT;
assert(fman_ccsr_map_fd != -1);
fmbm_rebm = &((struct rx_bmi_regs *)__if->bmi_map)->fmbm_rebm;
- out_be32(fmbm_rebm, in_be32(fmbm_rebm) | (fd_offset << 16));
+ out_be32(fmbm_rebm, (in_be32(fmbm_rebm) & ~fmbm_mask) | val);
}
void