diff options
Diffstat (limited to 'dma/ipe.c')
| -rw-r--r-- | dma/ipe.c | 18 |
1 files changed, 11 insertions, 7 deletions
@@ -22,8 +22,8 @@ pcilib_dma_context_t *dma_ipe_init(pcilib_t *pcilib, const char *model, const void *arg) { -// int err = 0; - + pcilib_register_value_t value; + const pcilib_model_description_t *model_info = pcilib_get_model_description(pcilib); ipe_dma_t *ctx = malloc(sizeof(ipe_dma_t)); @@ -32,11 +32,6 @@ pcilib_dma_context_t *dma_ipe_init(pcilib_t *pcilib, const char *model, const vo memset(ctx, 0, sizeof(ipe_dma_t)); ctx->dmactx.pcilib = pcilib; -#ifdef IPEDMA_64BIT_MODE - // Always supported and we need to use it - ctx->mode64 = 1; -#endif /* IPEDMA_64BIT_MODE */ - pcilib_register_bank_t dma_bank = pcilib_find_register_bank_by_addr(pcilib, PCILIB_REGISTER_BANK_DMA); if (dma_bank == PCILIB_REGISTER_BANK_INVALID) { @@ -47,6 +42,15 @@ pcilib_dma_context_t *dma_ipe_init(pcilib_t *pcilib, const char *model, const vo ctx->dma_bank = model_info->banks + dma_bank; ctx->base_addr = pcilib_resolve_register_address(pcilib, ctx->dma_bank->bar, ctx->dma_bank->read_addr); + +#ifdef IPEDMA_ENFORCE_64BIT_MODE + ctx->mode64 = 1; +#else /* IPEDMA_ENFORCE_64BIT_MODE */ + // According to Lorenzo, some gen2 boards have problems with 64-bit addressing. Therefore, we only enable it for gen3 boards unless enforced + RD(IPEDMA_REG_PCIE_GEN, value); + if (value > 2) ctx->mode64 = 1; + else ctx->mode64 = 0; +#endif /* IPEDMA_ENFORCE_64BIT_MODE */ } return (pcilib_dma_context_t*)ctx; |