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bus/dpaa: add fman flow control threshold setting

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Signed-off-by: Geoff Thorpe <geoff.thorpe@nxp.com>
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
Signed-off-by: Shreyansh Jain <shreyansh.jain@nxp.com>
This commit is contained in:
Shreyansh Jain 2017-09-28 17:59:35 +05:30 committed by Ferruh Yigit
parent f38f61e982
commit a5d2650f07
2 changed files with 35 additions and 0 deletions
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28
drivers/bus/dpaa/base/fman/fman_hw.c
View File

@ -37,6 +37,7 @@
*/
#include <fsl_fman.h>
#include <fsl_fman_crc64.h>
#include <fsl_bman.h>
/* Instantiate the global variable that the inline CRC64 implementation (in
* <fsl_fman.h>) depends on.
@ -392,6 +393,33 @@ fman_if_set_bp(struct fman_if *fm_if, unsigned num __always_unused,
fmbm_ebmpi);
}
int
fman_if_get_fc_threshold(struct fman_if *fm_if)
{
struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if);
unsigned int *fmbm_mpd;
assert(fman_ccsr_map_fd != -1);
fmbm_mpd = &((struct rx_bmi_regs *)__if->bmi_map)->fmbm_mpd;
return in_be32(fmbm_mpd);
}
int
fman_if_set_fc_threshold(struct fman_if *fm_if, u32 high_water,
u32 low_water, u32 bpid)
{
struct __fman_if *__if = container_of(fm_if, struct __fman_if, __if);
unsigned int *fmbm_mpd;
assert(fman_ccsr_map_fd != -1);
fmbm_mpd = &((struct rx_bmi_regs *)__if->bmi_map)->fmbm_mpd;
out_be32(fmbm_mpd, FMAN_ENABLE_BPOOL_DEPLETION);
return bm_pool_set_hw_threshold(bpid, low_water, high_water);
}
int
fman_if_get_fc_quanta(struct fman_if *fm_if)
{

7
drivers/bus/dpaa/include/fsl_fman.h
View File

@ -112,6 +112,13 @@ void fman_if_loopback_disable(struct fman_if *p);
void fman_if_set_bp(struct fman_if *fm_if, unsigned int num, int bpid,
size_t bufsize);
/* Get Flow Control threshold parameters on specific interface */
int fman_if_get_fc_threshold(struct fman_if *fm_if);
/* Enable and Set Flow Control threshold parameters on specific interface */
int fman_if_set_fc_threshold(struct fman_if *fm_if,
u32 high_water, u32 low_water, u32 bpid);
/* Get Flow Control pause quanta on specific interface */
int fman_if_get_fc_quanta(struct fman_if *fm_if);