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path: root/drivers/gpu/drm/imagination/pvr_fw_startstop.c
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Diffstat (limited to 'drivers/gpu/drm/imagination/pvr_fw_startstop.c')
-rw-r--r--drivers/gpu/drm/imagination/pvr_fw_startstop.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/imagination/pvr_fw_startstop.c b/drivers/gpu/drm/imagination/pvr_fw_startstop.c
index 36cec227cfe3..dcbb9903e791 100644
--- a/drivers/gpu/drm/imagination/pvr_fw_startstop.c
+++ b/drivers/gpu/drm/imagination/pvr_fw_startstop.c
@@ -49,6 +49,14 @@ rogue_bif_init(struct pvr_device *pvr_dev)
pvr_cr_write64(pvr_dev, BIF_CAT_BASEX(MMU_CONTEXT_MAPPING_FWPRIV),
pc_addr);
+
+ if (pvr_dev->fw_dev.processor_type == PVR_FW_PROCESSOR_TYPE_RISCV) {
+ pc_addr = (((u64)pc_dma_addr >> ROGUE_CR_FWCORE_MEM_CAT_BASE0_ADDR_ALIGNSHIFT)
+ << ROGUE_CR_FWCORE_MEM_CAT_BASE0_ADDR_SHIFT) &
+ ~ROGUE_CR_FWCORE_MEM_CAT_BASE0_ADDR_CLRMSK;
+
+ pvr_cr_write64(pvr_dev, FWCORE_MEM_CAT_BASEX(MMU_CONTEXT_MAPPING_FWPRIV), pc_addr);
+ }
}
static int
@@ -114,6 +122,9 @@ pvr_fw_start(struct pvr_device *pvr_dev)
(void)pvr_cr_read32(pvr_dev, ROGUE_CR_SYS_BUS_SECURE); /* Fence write */
}
+ if (pvr_dev->fw_dev.processor_type == PVR_FW_PROCESSOR_TYPE_RISCV)
+ pvr_cr_write32(pvr_dev, ROGUE_CR_FWCORE_BOOT, 0);
+
/* Set Rogue in soft-reset. */
pvr_cr_write64(pvr_dev, ROGUE_CR_SOFT_RESET, soft_reset_mask);
if (has_reset2)
@@ -167,6 +178,12 @@ pvr_fw_start(struct pvr_device *pvr_dev)
/* ... and afterwards. */
udelay(3);
+ if (pvr_dev->fw_dev.processor_type == PVR_FW_PROCESSOR_TYPE_RISCV) {
+ /* Boot the FW. */
+ pvr_cr_write32(pvr_dev, ROGUE_CR_FWCORE_BOOT, 1);
+ udelay(3);
+ }
+
return 0;
err_reset: