diff options
Diffstat (limited to 'gxp-ssmt.c')
| -rw-r--r-- | gxp-ssmt.c | 30 |
1 files changed, 24 insertions, 6 deletions
@@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 +// SPDX-License-Identifier: GPL-2.0-only /* * GXP SSMT driver. * @@ -11,12 +11,12 @@ #include "gxp-internal.h" #include "gxp-ssmt.h" -static inline void ssmt_set_vid_for_sid(void __iomem *ssmt, uint vid, uint sid) +static inline void ssmt_set_vid_for_idx(void __iomem *ssmt, uint vid, uint idx) { /* NS_READ_STREAM_VID_<sid> */ - writel(vid, ssmt + 0x1000u + 0x4u * sid); + writel(vid, ssmt + 0x1000u + 0x4u * idx); /* NS_WRITE_STREAM_VID_<sid> */ - writel(vid, ssmt + 0x1200u + 0x4u * sid); + writel(vid, ssmt + 0x1200u + 0x4u * idx); } int gxp_ssmt_init(struct gxp_dev *gxp, struct gxp_ssmt *ssmt) @@ -69,7 +69,25 @@ void gxp_ssmt_set_core_vid(struct gxp_ssmt *ssmt, uint core, uint vid) int i; for (i = 0; i < ARRAY_SIZE(sids); i++) { - ssmt_set_vid_for_sid(ssmt->idma_ssmt_base, vid, sids[i]); - ssmt_set_vid_for_sid(ssmt->inst_data_ssmt_base, vid, sids[i]); + ssmt_set_vid_for_idx(ssmt->idma_ssmt_base, vid, sids[i]); + ssmt_set_vid_for_idx(ssmt->inst_data_ssmt_base, vid, sids[i]); + } +} + +void gxp_ssmt_set_bypass(struct gxp_ssmt *ssmt) +{ + u32 mode; + uint core, i; + + mode = readl(ssmt->idma_ssmt_base + SSMT_CFG_OFFSET); + if (mode == SSMT_MODE_CLIENT) { + for (i = 0; i < MAX_NUM_CONTEXTS; i++) { + ssmt_set_vid_for_idx(ssmt->idma_ssmt_base, i, i); + ssmt_set_vid_for_idx(ssmt->inst_data_ssmt_base, i, i); + } + } else { + for (core = 0; core < GXP_NUM_CORES; core++) + gxp_ssmt_set_core_vid(ssmt, core, + SSMT_CLAMP_MODE_BYPASS); } } |