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Commit 6461a1d8 authored by Tony Truong's avatar Tony Truong
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msm: pcie: add mhi register space as PCIe RC resource 



There are MHI registers which PCIe RC can use for debug
purposes such as dumping PCIe link ASPM stats. Add mhi
register space as a PCIe RC resource so that RC driver can
access MHI space.

Change-Id: I4392219b4f2e7007f5f263e4a9285bf630b2e71b
Signed-off-by: default avatarTony Truong <truong@codeaurora.org>
parent 7468e648

drivers/pci/controller/pci-msm.c

+5 −0
Original line number Diff line number Diff line
@@ -332,6 +332,7 @@ enum msm_pcie_res { 
	MSM_PCIE_RES_ELBI,

	MSM_PCIE_RES_IATU,

	MSM_PCIE_RES_CONF,

	MSM_PCIE_RES_MHI,

	MSM_PCIE_RES_TCSR,

	MSM_PCIE_RES_RUMI,

	MSM_PCIE_MAX_RES,
@@ -710,6 +711,7 @@ struct msm_pcie_dev_t { 
	void __iomem *iatu;

	void __iomem *dm_core;

	void __iomem *conf;

	void __iomem *mhi;

	void __iomem *tcsr;

	void __iomem *rumi;
@@ -1063,6 +1065,7 @@ static const struct msm_pcie_res_info_t msm_pcie_res_info[MSM_PCIE_MAX_RES] = { 
	{"elbi", NULL, NULL},

	{"iatu", NULL, NULL},

	{"conf", NULL, NULL},

	{"mhi", NULL, NULL},

	{"tcsr", NULL, NULL},

	{"rumi", NULL, NULL}

};
@@ -4066,6 +4069,7 @@ static int msm_pcie_get_reg(struct msm_pcie_dev_t *pcie_dev) 
	pcie_dev->iatu = pcie_dev->res[MSM_PCIE_RES_IATU].base;

	pcie_dev->dm_core = pcie_dev->res[MSM_PCIE_RES_DM_CORE].base;

	pcie_dev->conf = pcie_dev->res[MSM_PCIE_RES_CONF].base;

	pcie_dev->mhi = pcie_dev->res[MSM_PCIE_RES_MHI].base;

	pcie_dev->tcsr = pcie_dev->res[MSM_PCIE_RES_TCSR].base;

	pcie_dev->rumi = pcie_dev->res[MSM_PCIE_RES_RUMI].base;
@@ -4182,6 +4186,7 @@ static void msm_pcie_release_resources(struct msm_pcie_dev_t *dev) 
	dev->iatu = NULL;

	dev->dm_core = NULL;

	dev->conf = NULL;

	dev->mhi = NULL;

	dev->tcsr = NULL;

	dev->rumi = NULL;

}