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pcie: rockchip: dw: Support dmatest

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Change-Id: I14bd31839bfb3fe70d8b12b7e3e6efca535028a1
Signed-off-by: Jon Lin <jon.lin@rock-chips.com>
This commit is contained in:
Jon Lin
2022-08-24 11:53:20 +08:00
committed by Tao Huang
parent 533492f3b5
commit fa919e9611
1 changed files with 14 additions and 6 deletions
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20
drivers/pci/controller/dwc/pcie-dw-rockchip.c
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@@ -46,6 +46,7 @@
#include "pcie-designware.h"
#include "../../pci.h"
#include "../rockchip-pcie-dma.h"
#include "pcie-dw-dmatest.h"
enum rk_pcie_device_mode {
RK_PCIE_EP_TYPE,
@@ -837,7 +838,7 @@ static bool rk_pcie_udma_enabled(struct rk_pcie *rk_pcie)
PCIE_DMA_CTRL_OFF);
}
static int rk_pcie_host_init_dma_trx(struct rk_pcie *rk_pcie)
static int rk_pcie_init_dma_trx(struct rk_pcie *rk_pcie)
{
if (!rk_pcie_udma_enabled(rk_pcie))
return 0;
@@ -848,6 +849,12 @@ static int rk_pcie_host_init_dma_trx(struct rk_pcie *rk_pcie)
return -EINVAL;
}
rk_pcie->dma_obj = pcie_dw_dmatest_register(rk_pcie->pci, true);
if (IS_ERR(rk_pcie->dma_obj)) {
dev_err(rk_pcie->pci->dev, "failed to prepare dmatest\n");
return -EINVAL;
}
/* Enable client write and read interrupt */
rk_pcie_writel_apb(rk_pcie, PCIE_CLIENT_INTR_MASK, 0xc000000);
@@ -1132,11 +1139,6 @@ static int rk_add_pcie_port(struct rk_pcie *rk_pcie, struct platform_device *pde
return ret;
}
ret = rk_pcie_host_init_dma_trx(rk_pcie);
if (ret) {
dev_err(dev, "failed to init host dma trx\n");
return ret;
}
return 0;
}
@@ -2080,6 +2082,12 @@ retry_regulator:
if (ret)
goto remove_irq_domain;
ret = rk_pcie_init_dma_trx(rk_pcie);
if (ret) {
dev_err(dev, "failed to add dma extension\n");
return ret;
}
if (rk_pcie->dma_obj) {
rk_pcie->dma_obj->start_dma_func = rk_pcie_start_dma_dwc;
rk_pcie->dma_obj->config_dma_func = rk_pcie_config_dma_dwc;