From: Mohit Kumar <mohit.kumar@st.com>
To: <jg1.han@samsung.com>
Cc: Mohit Kumar <mohit.kumar@st.com>,
Ajay Khandelwal <ajay.khandelwal@st.com>,
Bjorn Helgaas <bhelgass@google.com>, <spear-devel@list.st.com>,
<linux-pci@vger.kernel.org>
Subject: [PATCH 2/2] PCI:designware:Fix iATU programming for cfg1, io and mem viewport
Date: Thu, 20 Feb 2014 10:52:54 +0530 [thread overview]
Message-ID: <1392873774-22249-2-git-send-email-mohit.kumar@st.com> (raw)
In-Reply-To: <1392873774-22249-1-git-send-email-mohit.kumar@st.com>
This patch correct iATU programming for cfg1, io and mem viewport.
Enable ATU only after configuring it.
Signed-off-by: Mohit Kumar <mohit.kumar@st.com>
Signed-off-by: Ajay Khandelwal <ajay.khandelwal@st.com>
Cc: Jingoo Han <jg1.han@samsung.com>
Cc: Bjorn Helgaas <bhelgass@google.com>
Cc: spear-devel@list.st.com
Cc: linux-pci@vger.kernel.org
---
drivers/pci/host/pcie-designware.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c
index 391966f..46f4a19 100644
--- a/drivers/pci/host/pcie-designware.c
+++ b/drivers/pci/host/pcie-designware.c
@@ -522,13 +522,13 @@ static void dw_pcie_prog_viewport_cfg1(struct pcie_port *pp, u32 busdev)
dw_pcie_writel_rc(pp, PCIE_ATU_REGION_OUTBOUND | PCIE_ATU_REGION_INDEX1,
PCIE_ATU_VIEWPORT);
dw_pcie_writel_rc(pp, PCIE_ATU_TYPE_CFG1, PCIE_ATU_CR1);
- dw_pcie_writel_rc(pp, PCIE_ATU_ENABLE, PCIE_ATU_CR2);
dw_pcie_writel_rc(pp, pp->cfg1_base, PCIE_ATU_LOWER_BASE);
dw_pcie_writel_rc(pp, (pp->cfg1_base >> 32), PCIE_ATU_UPPER_BASE);
dw_pcie_writel_rc(pp, pp->cfg1_base + pp->config.cfg1_size - 1,
PCIE_ATU_LIMIT);
dw_pcie_writel_rc(pp, busdev, PCIE_ATU_LOWER_TARGET);
dw_pcie_writel_rc(pp, 0, PCIE_ATU_UPPER_TARGET);
+ dw_pcie_writel_rc(pp, PCIE_ATU_ENABLE, PCIE_ATU_CR2);
}
static void dw_pcie_prog_viewport_mem_outbound(struct pcie_port *pp)
@@ -537,7 +537,6 @@ static void dw_pcie_prog_viewport_mem_outbound(struct pcie_port *pp)
dw_pcie_writel_rc(pp, PCIE_ATU_REGION_OUTBOUND | PCIE_ATU_REGION_INDEX0,
PCIE_ATU_VIEWPORT);
dw_pcie_writel_rc(pp, PCIE_ATU_TYPE_MEM, PCIE_ATU_CR1);
- dw_pcie_writel_rc(pp, PCIE_ATU_ENABLE, PCIE_ATU_CR2);
dw_pcie_writel_rc(pp, pp->mem_base, PCIE_ATU_LOWER_BASE);
dw_pcie_writel_rc(pp, (pp->mem_base >> 32), PCIE_ATU_UPPER_BASE);
dw_pcie_writel_rc(pp, pp->mem_base + pp->config.mem_size - 1,
@@ -545,6 +544,7 @@ static void dw_pcie_prog_viewport_mem_outbound(struct pcie_port *pp)
dw_pcie_writel_rc(pp, pp->config.mem_bus_addr, PCIE_ATU_LOWER_TARGET);
dw_pcie_writel_rc(pp, upper_32_bits(pp->config.mem_bus_addr),
PCIE_ATU_UPPER_TARGET);
+ dw_pcie_writel_rc(pp, PCIE_ATU_ENABLE, PCIE_ATU_CR2);
}
static void dw_pcie_prog_viewport_io_outbound(struct pcie_port *pp)
@@ -553,7 +553,6 @@ static void dw_pcie_prog_viewport_io_outbound(struct pcie_port *pp)
dw_pcie_writel_rc(pp, PCIE_ATU_REGION_OUTBOUND | PCIE_ATU_REGION_INDEX1,
PCIE_ATU_VIEWPORT);
dw_pcie_writel_rc(pp, PCIE_ATU_TYPE_IO, PCIE_ATU_CR1);
- dw_pcie_writel_rc(pp, PCIE_ATU_ENABLE, PCIE_ATU_CR2);
dw_pcie_writel_rc(pp, pp->io_base, PCIE_ATU_LOWER_BASE);
dw_pcie_writel_rc(pp, (pp->io_base >> 32), PCIE_ATU_UPPER_BASE);
dw_pcie_writel_rc(pp, pp->io_base + pp->config.io_size - 1,
@@ -561,6 +560,7 @@ static void dw_pcie_prog_viewport_io_outbound(struct pcie_port *pp)
dw_pcie_writel_rc(pp, pp->config.io_bus_addr, PCIE_ATU_LOWER_TARGET);
dw_pcie_writel_rc(pp, upper_32_bits(pp->config.io_bus_addr),
PCIE_ATU_UPPER_TARGET);
+ dw_pcie_writel_rc(pp, PCIE_ATU_ENABLE, PCIE_ATU_CR2);
}
static int dw_pcie_rd_other_conf(struct pcie_port *pp, struct pci_bus *bus,
--
1.7.0.1
next prev parent reply other threads:[~2014-02-20 5:23 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-20 5:22 [PATCH 1/2] PCI:designware:Fix comment for setting number of lanes Mohit Kumar
2014-02-20 5:22 ` Mohit Kumar [this message]
2014-02-20 6:45 ` [PATCH 2/2] PCI:designware:Fix iATU programming for cfg1, io and mem viewport Mohit KUMAR DCG
2014-02-20 11:38 ` Kishon Vijay Abraham I
2014-02-20 11:58 ` Mohit KUMAR DCG
2014-02-20 12:13 ` Kishon Vijay Abraham I
2014-02-20 13:33 ` Mohit KUMAR DCG
2014-02-21 3:54 ` Pratyush Anand
2014-02-20 6:56 ` [PATCH 1/2] PCI:designware:Fix comment for setting number of lanes Rajeev kumar
2014-02-20 8:29 ` Mohit KUMAR DCG
-- strict thread matches above, loose matches on Subject: below --
2014-02-21 1:31 [PATCH 2/2] PCI:designware:Fix iATU programming for cfg1, io and mem viewport Jingoo Han
2014-02-21 5:28 ` Kishon Vijay Abraham I
2014-02-26 6:31 ` Ajay Khandelwal
2014-02-26 7:47 ` Kishon Vijay Abraham I
2014-02-26 10:52 ` Pratyush Anand
2014-02-27 1:18 ` Jingoo Han
2014-02-27 1:37 ` Jingoo Han
2014-02-27 4:10 ` Pratyush Anand
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