diff options
Diffstat (limited to 'target/linux/ipq806x/patches-4.9/0071-5-PCI-qcom-Programming-the-PCIE-iATU-for-IPQ806x.patch')
| -rw-r--r-- | target/linux/ipq806x/patches-4.9/0071-5-PCI-qcom-Programming-the-PCIE-iATU-for-IPQ806x.patch | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/target/linux/ipq806x/patches-4.9/0071-5-PCI-qcom-Programming-the-PCIE-iATU-for-IPQ806x.patch b/target/linux/ipq806x/patches-4.9/0071-5-PCI-qcom-Programming-the-PCIE-iATU-for-IPQ806x.patch deleted file mode 100644 index 98e2b54..0000000 --- a/target/linux/ipq806x/patches-4.9/0071-5-PCI-qcom-Programming-the-PCIE-iATU-for-IPQ806x.patch +++ /dev/null @@ -1,113 +0,0 @@ -From d27c303e828d7e42f339a459d2abfe30c51698e9 Mon Sep 17 00:00:00 2001 -From: Sham Muthayyan <smuthayy@codeaurora.org> -Date: Tue, 26 Jul 2016 12:28:31 +0530 -Subject: PCI: qcom: Programming the PCIE iATU for IPQ806x - -Resolved PCIE EP detection errors caused due to missing iATU programming. - -Change-Id: Ie95c0f8cb940abc0192a8a3c4e825ddba54b72fe -Signed-off-by: Sham Muthayyan <smuthayy@codeaurora.org> ---- - drivers/pci/host/pcie-qcom.c | 77 ++++++++++++++++++++++++++++++++++++++++++++ - 1 file changed, 77 insertions(+) - ---- a/drivers/pci/host/pcie-qcom.c -+++ b/drivers/pci/host/pcie-qcom.c -@@ -52,6 +52,29 @@ - #define PCIE20_ELBI_SYS_CTRL_LT_ENABLE BIT(0) - - #define PCIE20_CAP 0x70 -+#define PCIE20_CAP_LINKCTRLSTATUS (PCIE20_CAP + 0x10) -+ -+#define PCIE20_AXI_MSTR_RESP_COMP_CTRL0 0x818 -+#define PCIE20_AXI_MSTR_RESP_COMP_CTRL1 0x81c -+ -+#define PCIE20_PLR_IATU_VIEWPORT 0x900 -+#define PCIE20_PLR_IATU_REGION_OUTBOUND (0x0 << 31) -+#define PCIE20_PLR_IATU_REGION_INDEX(x) (x << 0) -+ -+#define PCIE20_PLR_IATU_CTRL1 0x904 -+#define PCIE20_PLR_IATU_TYPE_CFG0 (0x4 << 0) -+#define PCIE20_PLR_IATU_TYPE_MEM (0x0 << 0) -+ -+#define PCIE20_PLR_IATU_CTRL2 0x908 -+#define PCIE20_PLR_IATU_ENABLE BIT(31) -+ -+#define PCIE20_PLR_IATU_LBAR 0x90C -+#define PCIE20_PLR_IATU_UBAR 0x910 -+#define PCIE20_PLR_IATU_LAR 0x914 -+#define PCIE20_PLR_IATU_LTAR 0x918 -+#define PCIE20_PLR_IATU_UTAR 0x91c -+ -+#define MSM_PCIE_DEV_CFG_ADDR 0x01000000 - - #define PERST_DELAY_US 1000 - /* PARF registers */ -@@ -163,6 +186,57 @@ static int qcom_pcie_establish_link(stru - return dw_pcie_wait_for_link(&pcie->pp); - } - -+static void qcom_pcie_prog_viewport_cfg0(struct qcom_pcie *pcie, u32 busdev) -+{ -+ struct pcie_port *pp = &pcie->pp; -+ -+ /* -+ * program and enable address translation region 0 (device config -+ * address space); region type config; -+ * axi config address range to device config address range -+ */ -+ writel(PCIE20_PLR_IATU_REGION_OUTBOUND | -+ PCIE20_PLR_IATU_REGION_INDEX(0), -+ pcie->pp.dbi_base + PCIE20_PLR_IATU_VIEWPORT); -+ -+ writel(PCIE20_PLR_IATU_TYPE_CFG0, pcie->pp.dbi_base + PCIE20_PLR_IATU_CTRL1); -+ writel(PCIE20_PLR_IATU_ENABLE, pcie->pp.dbi_base + PCIE20_PLR_IATU_CTRL2); -+ writel(pp->cfg0_base, pcie->pp.dbi_base + PCIE20_PLR_IATU_LBAR); -+ writel((pp->cfg0_base >> 32), pcie->pp.dbi_base + PCIE20_PLR_IATU_UBAR); -+ writel((pp->cfg0_base + pp->cfg0_size - 1), -+ pcie->pp.dbi_base + PCIE20_PLR_IATU_LAR); -+ writel(busdev, pcie->pp.dbi_base + PCIE20_PLR_IATU_LTAR); -+ writel(0, pcie->pp.dbi_base + PCIE20_PLR_IATU_UTAR); -+} -+ -+static void qcom_pcie_prog_viewport_mem2_outbound(struct qcom_pcie *pcie) -+{ -+ struct pcie_port *pp = &pcie->pp; -+ -+ /* -+ * program and enable address translation region 2 (device resource -+ * address space); region type memory; -+ * axi device bar address range to device bar address range -+ */ -+ writel(PCIE20_PLR_IATU_REGION_OUTBOUND | -+ PCIE20_PLR_IATU_REGION_INDEX(2), -+ pcie->pp.dbi_base + PCIE20_PLR_IATU_VIEWPORT); -+ -+ writel(PCIE20_PLR_IATU_TYPE_MEM, pcie->pp.dbi_base + PCIE20_PLR_IATU_CTRL1); -+ writel(PCIE20_PLR_IATU_ENABLE, pcie->pp.dbi_base + PCIE20_PLR_IATU_CTRL2); -+ writel(pp->mem_base, pcie->pp.dbi_base + PCIE20_PLR_IATU_LBAR); -+ writel((pp->mem_base >> 32), pcie->pp.dbi_base + PCIE20_PLR_IATU_UBAR); -+ writel(pp->mem_base + pp->mem_size - 1, -+ pcie->pp.dbi_base + PCIE20_PLR_IATU_LAR); -+ writel(pp->mem_bus_addr, pcie->pp.dbi_base + PCIE20_PLR_IATU_LTAR); -+ writel(upper_32_bits(pp->mem_bus_addr), -+ pcie->pp.dbi_base + PCIE20_PLR_IATU_UTAR); -+ -+ /* 256B PCIE buffer setting */ -+ writel(0x1, pcie->pp.dbi_base + PCIE20_AXI_MSTR_RESP_COMP_CTRL0); -+ writel(0x1, pcie->pp.dbi_base + PCIE20_AXI_MSTR_RESP_COMP_CTRL1); -+} -+ - static int qcom_pcie_get_resources_v0(struct qcom_pcie *pcie) - { - struct qcom_pcie_resources_v0 *res = &pcie->res.v0; -@@ -404,6 +478,9 @@ static int qcom_pcie_init_v0(struct qcom - /* wait for clock acquisition */ - usleep_range(1000, 1500); - -+ qcom_pcie_prog_viewport_cfg0(pcie, MSM_PCIE_DEV_CFG_ADDR); -+ qcom_pcie_prog_viewport_mem2_outbound(pcie); -+ - return 0; - - err_deassert_ahb: |